From 34559a544e9d72ba4a1dfea7d53f2057485b2a4b Mon Sep 17 00:00:00 2001
From: Tobias Kremer <tobias.kremer@ecmwf.int>
Date: Tue, 20 Feb 2024 15:20:49 +0100
Subject: [PATCH] Commented FDB.h and restructuring

---
 .gitignore                                    |    3 +-
 docs/.DS_Store                                |  Bin 6148 -> 0 bytes
 docs/Doxyfile.in.bak                          | 2612 -----------------
 docs/content/.DS_Store                        |  Bin 6148 -> 0 bytes
 docs/content/architectural-introduction.rst   |    2 +-
 docs/content/architecture/.DS_Store           |  Bin 6148 -> 0 bytes
 docs/content/operational-introduction.rst     |    8 +-
 .../{technical => operational}/DebugTools.rst |    2 +-
 .../DebugTools/dump-index.rst                 |    4 +-
 .../DebugTools/dump-toc.rst                   |    4 +-
 .../DebugTools/dump.rst                       |    2 +-
 .../DebugTools/hammer.rst                     |    2 +-
 .../DebugTools/patch.rst                      |    4 +-
 .../DebugTools/read.rst                       |    2 +-
 .../DebugTools/reconsolidate-toc.rst          |    4 +-
 .../DebugTools/write.rst                      |    2 +-
 .../GeneralPurposeTools.rst                   |    4 +-
 .../GeneralPurposeTools/fdb-stats.rst         |    8 +-
 .../GeneralPurposeTools/fdb.rst               |    4 +-
 .../GeneralPurposeTools/grib2fdb.rst          |    4 +-
 .../GeneralPurposeTools/info.rst              |    4 +-
 .../GeneralPurposeTools/list.rst              |    2 +-
 .../GeneralPurposeTools/purge.rst             |    4 +-
 .../GeneralPurposeTools/schema.rst            |    0
 .../GeneralPurposeTools/where.rst             |    2 +-
 .../GeneralPurposeTools/wipe.rst              |    4 +-
 .../SpecialPurposeTools.rst                   |    4 +-
 .../SpecialPurposeTools/hide.rst              |    4 +-
 .../SpecialPurposeTools/move.rst              |    2 +-
 .../SpecialPurposeTools/overlay.rst           |    2 +-
 .../SpecialPurposeTools/root.rst              |    4 +-
 .../{technical => operational}/tools.rst      |    2 +-
 docs/content/reference.rst                    |    7 +-
 docs/content/technical-introduction.rst       |   11 +-
 docs/content/technical/Api/api_python.rst     |    9 +
 .../UsageExamples/check-installation.rst      |   36 -
 .../UsageExamples/data-retrieval.rst          |   29 -
 docs/content/technical/check-installation.rst |    1 -
 docs/content/technical/config-schema.rst      |   77 -
 docs/content/technical/configuration.rst      |   40 +
 docs/content/technical/genindex.rst           |    2 -
 docs/content/technical/installation.rst       |    3 -
 docs/content/technical/introduction.rst       |   11 -
 docs/content/technical/schema.rst             |    2 +-
 docs/content/technical/usage-examples.rst     |   11 -
 docs/index.rst                                |    9 +-
 src/fdb5/api/FDB.h                            |   20 +
 47 files changed, 133 insertions(+), 2840 deletions(-)
 delete mode 100644 docs/.DS_Store
 delete mode 100644 docs/Doxyfile.in.bak
 delete mode 100644 docs/content/.DS_Store
 delete mode 100644 docs/content/architecture/.DS_Store
 rename docs/content/{technical => operational}/DebugTools.rst (89%)
 rename docs/content/{technical => operational}/DebugTools/dump-index.rst (97%)
 rename docs/content/{technical => operational}/DebugTools/dump-toc.rst (99%)
 rename docs/content/{technical => operational}/DebugTools/dump.rst (99%)
 rename docs/content/{technical => operational}/DebugTools/hammer.rst (99%)
 rename docs/content/{technical => operational}/DebugTools/patch.rst (98%)
 rename docs/content/{technical => operational}/DebugTools/read.rst (99%)
 rename docs/content/{technical => operational}/DebugTools/reconsolidate-toc.rst (90%)
 rename docs/content/{technical => operational}/DebugTools/write.rst (99%)
 rename docs/content/{technical => operational}/GeneralPurposeTools.rst (69%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/fdb-stats.rst (98%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/fdb.rst (98%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/grib2fdb.rst (99%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/info.rst (98%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/list.rst (99%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/purge.rst (98%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/schema.rst (100%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/where.rst (99%)
 rename docs/content/{technical => operational}/GeneralPurposeTools/wipe.rst (99%)
 rename docs/content/{technical => operational}/SpecialPurposeTools.rst (69%)
 rename docs/content/{technical => operational}/SpecialPurposeTools/hide.rst (98%)
 rename docs/content/{technical => operational}/SpecialPurposeTools/move.rst (99%)
 rename docs/content/{technical => operational}/SpecialPurposeTools/overlay.rst (99%)
 rename docs/content/{technical => operational}/SpecialPurposeTools/root.rst (96%)
 rename docs/content/{technical => operational}/tools.rst (97%)
 create mode 100644 docs/content/technical/Api/api_python.rst
 delete mode 100644 docs/content/technical/UsageExamples/check-installation.rst
 delete mode 100644 docs/content/technical/UsageExamples/data-retrieval.rst
 delete mode 100644 docs/content/technical/config-schema.rst
 delete mode 100644 docs/content/technical/genindex.rst
 delete mode 100644 docs/content/technical/installation.rst
 delete mode 100644 docs/content/technical/introduction.rst
 delete mode 100644 docs/content/technical/usage-examples.rst

diff --git a/.gitignore b/.gitignore
index a1e60f737..d030f8af8 100644
--- a/.gitignore
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@@ -6,4 +6,5 @@ cmake
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 install.sh
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diff --git a/docs/.DS_Store b/docs/.DS_Store
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diff --git a/docs/Doxyfile.in.bak b/docs/Doxyfile.in.bak
deleted file mode 100644
index 118c3a90d..000000000
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-# Man pages) or section (for LaTeX and RTF).
-# The default value is: NO.
-
-INLINE_SIMPLE_STRUCTS  = NO
-
-# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or
-# enum is documented as struct, union, or enum with the name of the typedef. So
-# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
-# with name TypeT. When disabled the typedef will appear as a member of a file,
-# namespace, or class. And the struct will be named TypeS. This can typically be
-# useful for C code in case the coding convention dictates that all compound
-# types are typedef'ed and only the typedef is referenced, never the tag name.
-# The default value is: NO.
-
-TYPEDEF_HIDES_STRUCT   = NO
-
-# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This
-# cache is used to resolve symbols given their name and scope. Since this can be
-# an expensive process and often the same symbol appears multiple times in the
-# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small
-# doxygen will become slower. If the cache is too large, memory is wasted. The
-# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range
-# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536
-# symbols. At the end of a run doxygen will report the cache usage and suggest
-# the optimal cache size from a speed point of view.
-# Minimum value: 0, maximum value: 9, default value: 0.
-
-LOOKUP_CACHE_SIZE      = 0
-
-# The NUM_PROC_THREADS specifies the number threads doxygen is allowed to use
-# during processing. When set to 0 doxygen will based this on the number of
-# cores available in the system. You can set it explicitly to a value larger
-# than 0 to get more control over the balance between CPU load and processing
-# speed. At this moment only the input processing can be done using multiple
-# threads. Since this is still an experimental feature the default is set to 1,
-# which efficively disables parallel processing. Please report any issues you
-# encounter. Generating dot graphs in parallel is controlled by the
-# DOT_NUM_THREADS setting.
-# Minimum value: 0, maximum value: 32, default value: 1.
-
-# NUM_PROC_THREADS       = 1
-
-#---------------------------------------------------------------------------
-# Build related configuration options
-#---------------------------------------------------------------------------
-
-# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in
-# documentation are documented, even if no documentation was available. Private
-# class members and static file members will be hidden unless the
-# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
-# Note: This will also disable the warnings about undocumented members that are
-# normally produced when WARNINGS is set to YES.
-# The default value is: NO.
-
-EXTRACT_ALL            = NO
-
-# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will
-# be included in the documentation.
-# The default value is: NO.
-
-EXTRACT_PRIVATE        = NO
-
-# If the EXTRACT_PRIV_VIRTUAL tag is set to YES, documented private virtual
-# methods of a class will be included in the documentation.
-# The default value is: NO.
-
-# EXTRACT_PRIV_VIRTUAL   = NO
-
-# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
-# scope will be included in the documentation.
-# The default value is: NO.
-
-EXTRACT_PACKAGE        = NO
-
-# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be
-# included in the documentation.
-# The default value is: NO.
-
-EXTRACT_STATIC         = NO
-
-# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined
-# locally in source files will be included in the documentation. If set to NO,
-# only classes defined in header files are included. Does not have any effect
-# for Java sources.
-# The default value is: YES.
-
-EXTRACT_LOCAL_CLASSES  = YES
-
-# This flag is only useful for Objective-C code. If set to YES, local methods,
-# which are defined in the implementation section but not in the interface are
-# included in the documentation. If set to NO, only methods in the interface are
-# included.
-# The default value is: NO.
-
-EXTRACT_LOCAL_METHODS  = NO
-
-# If this flag is set to YES, the members of anonymous namespaces will be
-# extracted and appear in the documentation as a namespace called
-# 'anonymous_namespace{file}', where file will be replaced with the base name of
-# the file that contains the anonymous namespace. By default anonymous namespace
-# are hidden.
-# The default value is: NO.
-
-EXTRACT_ANON_NSPACES   = NO
-
-# If this flag is set to YES, the name of an unnamed parameter in a declaration
-# will be determined by the corresponding definition. By default unnamed
-# parameters remain unnamed in the output.
-# The default value is: YES.
-
-# RESOLVE_UNNAMED_PARAMS = YES
-
-# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
-# undocumented members inside documented classes or files. If set to NO these
-# members will be included in the various overviews, but no documentation
-# section is generated. This option has no effect if EXTRACT_ALL is enabled.
-# The default value is: NO.
-
-HIDE_UNDOC_MEMBERS     = NO
-
-# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
-# undocumented classes that are normally visible in the class hierarchy. If set
-# to NO, these classes will be included in the various overviews. This option
-# has no effect if EXTRACT_ALL is enabled.
-# The default value is: NO.
-
-HIDE_UNDOC_CLASSES     = NO
-
-# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
-# declarations. If set to NO, these declarations will be included in the
-# documentation.
-# The default value is: NO.
-
-HIDE_FRIEND_COMPOUNDS  = NO
-
-# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
-# documentation blocks found inside the body of a function. If set to NO, these
-# blocks will be appended to the function's detailed documentation block.
-# The default value is: NO.
-
-HIDE_IN_BODY_DOCS      = NO
-
-# The INTERNAL_DOCS tag determines if documentation that is typed after a
-# \internal command is included. If the tag is set to NO then the documentation
-# will be excluded. Set it to YES to include the internal documentation.
-# The default value is: NO.
-
-INTERNAL_DOCS          = NO
-
-# With the correct setting of option CASE_SENSE_NAMES doxygen will better be
-# able to match the capabilities of the underlying filesystem. In case the
-# filesystem is case sensitive (i.e. it supports files in the same directory
-# whose names only differ in casing), the option must be set to YES to properly
-# deal with such files in case they appear in the input. For filesystems that
-# are not case sensitive the option should be be set to NO to properly deal with
-# output files written for symbols that only differ in casing, such as for two
-# classes, one named CLASS and the other named Class, and to also support
-# references to files without having to specify the exact matching casing. On
-# Windows (including Cygwin) and MacOS, users should typically set this option
-# to NO, whereas on Linux or other Unix flavors it should typically be set to
-# YES.
-# The default value is: system dependent.
-
-CASE_SENSE_NAMES       = NO
-
-# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with
-# their full class and namespace scopes in the documentation. If set to YES, the
-# scope will be hidden.
-# The default value is: NO.
-
-HIDE_SCOPE_NAMES       = NO
-
-# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will
-# append additional text to a page's title, such as Class Reference. If set to
-# YES the compound reference will be hidden.
-# The default value is: NO.
-
-HIDE_COMPOUND_REFERENCE= NO
-
-# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
-# the files that are included by a file in the documentation of that file.
-# The default value is: YES.
-
-SHOW_INCLUDE_FILES     = YES
-
-# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
-# grouped member an include statement to the documentation, telling the reader
-# which file to include in order to use the member.
-# The default value is: NO.
-
-SHOW_GROUPED_MEMB_INC  = NO
-
-# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include
-# files with double quotes in the documentation rather than with sharp brackets.
-# The default value is: NO.
-
-FORCE_LOCAL_INCLUDES   = NO
-
-# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
-# documentation for inline members.
-# The default value is: YES.
-
-INLINE_INFO            = YES
-
-# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
-# (detailed) documentation of file and class members alphabetically by member
-# name. If set to NO, the members will appear in declaration order.
-# The default value is: YES.
-
-SORT_MEMBER_DOCS       = YES
-
-# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
-# descriptions of file, namespace and class members alphabetically by member
-# name. If set to NO, the members will appear in declaration order. Note that
-# this will also influence the order of the classes in the class list.
-# The default value is: NO.
-
-SORT_BRIEF_DOCS        = NO
-
-# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
-# (brief and detailed) documentation of class members so that constructors and
-# destructors are listed first. If set to NO the constructors will appear in the
-# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS.
-# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief
-# member documentation.
-# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting
-# detailed member documentation.
-# The default value is: NO.
-
-SORT_MEMBERS_CTORS_1ST = NO
-
-# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
-# of group names into alphabetical order. If set to NO the group names will
-# appear in their defined order.
-# The default value is: NO.
-
-SORT_GROUP_NAMES       = NO
-
-# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
-# fully-qualified names, including namespaces. If set to NO, the class list will
-# be sorted only by class name, not including the namespace part.
-# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
-# Note: This option applies only to the class list, not to the alphabetical
-# list.
-# The default value is: NO.
-
-SORT_BY_SCOPE_NAME     = NO
-
-# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
-# type resolution of all parameters of a function it will reject a match between
-# the prototype and the implementation of a member function even if there is
-# only one candidate or it is obvious which candidate to choose by doing a
-# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
-# accept a match between prototype and implementation in such cases.
-# The default value is: NO.
-
-STRICT_PROTO_MATCHING  = NO
-
-# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo
-# list. This list is created by putting \todo commands in the documentation.
-# The default value is: YES.
-
-GENERATE_TODOLIST      = NO
-
-# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test
-# list. This list is created by putting \test commands in the documentation.
-# The default value is: YES.
-
-GENERATE_TESTLIST      = YES
-
-# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug
-# list. This list is created by putting \bug commands in the documentation.
-# The default value is: YES.
-
-GENERATE_BUGLIST       = YES
-
-# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO)
-# the deprecated list. This list is created by putting \deprecated commands in
-# the documentation.
-# The default value is: YES.
-
-GENERATE_DEPRECATEDLIST= YES
-
-# The ENABLED_SECTIONS tag can be used to enable conditional documentation
-# sections, marked by \if <section_label> ... \endif and \cond <section_label>
-# ... \endcond blocks.
-
-ENABLED_SECTIONS       =
-
-# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
-# initial value of a variable or macro / define can have for it to appear in the
-# documentation. If the initializer consists of more lines than specified here
-# it will be hidden. Use a value of 0 to hide initializers completely. The
-# appearance of the value of individual variables and macros / defines can be
-# controlled using \showinitializer or \hideinitializer command in the
-# documentation regardless of this setting.
-# Minimum value: 0, maximum value: 10000, default value: 30.
-
-MAX_INITIALIZER_LINES  = 30
-
-# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
-# the bottom of the documentation of classes and structs. If set to YES, the
-# list will mention the files that were used to generate the documentation.
-# The default value is: YES.
-
-SHOW_USED_FILES        = YES
-
-# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
-# will remove the Files entry from the Quick Index and from the Folder Tree View
-# (if specified).
-# The default value is: YES.
-
-SHOW_FILES             = YES
-
-# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
-# page. This will remove the Namespaces entry from the Quick Index and from the
-# Folder Tree View (if specified).
-# The default value is: YES.
-
-SHOW_NAMESPACES        = YES
-
-# The FILE_VERSION_FILTER tag can be used to specify a program or script that
-# doxygen should invoke to get the current version for each file (typically from
-# the version control system). Doxygen will invoke the program by executing (via
-# popen()) the command command input-file, where command is the value of the
-# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
-# by doxygen. Whatever the program writes to standard output is used as the file
-# version. For an example see the documentation.
-
-FILE_VERSION_FILTER    =
-
-# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
-# by doxygen. The layout file controls the global structure of the generated
-# output files in an output format independent way. To create the layout file
-# that represents doxygen's defaults, run doxygen with the -l option. You can
-# optionally specify a file name after the option, if omitted DoxygenLayout.xml
-# will be used as the name of the layout file.
-#
-# Note that if you run doxygen from a directory containing a file called
-# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
-# tag is left empty.
-
-LAYOUT_FILE            =
-
-# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
-# the reference definitions. This must be a list of .bib files. The .bib
-# extension is automatically appended if omitted. This requires the bibtex tool
-# to be installed. See also https://en.wikipedia.org/wiki/BibTeX for more info.
-# For LaTeX the style of the bibliography can be controlled using
-# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
-# search path. See also \cite for info how to create references.
-
-CITE_BIB_FILES         =
-
-#---------------------------------------------------------------------------
-# Configuration options related to warning and progress messages
-#---------------------------------------------------------------------------
-
-# The QUIET tag can be used to turn on/off the messages that are generated to
-# standard output by doxygen. If QUIET is set to YES this implies that the
-# messages are off.
-# The default value is: NO.
-
-QUIET                  = NO
-
-# The WARNINGS tag can be used to turn on/off the warning messages that are
-# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
-# this implies that the warnings are on.
-#
-# Tip: Turn warnings on while writing the documentation.
-# The default value is: YES.
-
-WARNINGS               = NO
-
-# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate
-# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
-# will automatically be disabled.
-# The default value is: YES.
-
-WARN_IF_UNDOCUMENTED   = NO
-
-# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
-# potential errors in the documentation, such as not documenting some parameters
-# in a documented function, or documenting parameters that don't exist or using
-# markup commands wrongly.
-# The default value is: YES.
-
-WARN_IF_DOC_ERROR      = NO
-
-# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
-# are documented, but have no documentation for their parameters or return
-# value. If set to NO, doxygen will only warn about wrong or incomplete
-# parameter documentation, but not about the absence of documentation. If
-# EXTRACT_ALL is set to YES then this flag will automatically be disabled.
-# The default value is: NO.
-
-WARN_NO_PARAMDOC       = NO
-
-# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when
-# a warning is encountered. If the WARN_AS_ERROR tag is set to FAIL_ON_WARNINGS
-# then doxygen will continue running as if WARN_AS_ERROR tag is set to NO, but
-# at the end of the doxygen process doxygen will return with a non-zero status.
-# Possible values are: NO, YES and FAIL_ON_WARNINGS.
-# The default value is: NO.
-
-WARN_AS_ERROR          = NO
-
-# The WARN_FORMAT tag determines the format of the warning messages that doxygen
-# can produce. The string should contain the $file, $line, and $text tags, which
-# will be replaced by the file and line number from which the warning originated
-# and the warning text. Optionally the format may contain $version, which will
-# be replaced by the version of the file (if it could be obtained via
-# FILE_VERSION_FILTER)
-# The default value is: $file:$line: $text.
-
-WARN_FORMAT            = "$file:$line: $text"
-
-# The WARN_LOGFILE tag can be used to specify a file to which warning and error
-# messages should be written. If left blank the output is written to standard
-# error (stderr).
-
-WARN_LOGFILE           =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the input files
-#---------------------------------------------------------------------------
-
-# The INPUT tag is used to specify the files and/or directories that contain
-# documented source files. You may enter file names like myfile.cpp or
-# directories like /usr/src/myproject. Separate the files or directories with
-# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
-# Note: If this tag is empty the current directory is searched.
-
-INPUT                  = "../src/fdb5/api/fdb_c.h" \
-                         "../src/fdb5/api/FDB.h"
-
-# This tag can be used to specify the character encoding of the source files
-# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
-# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
-# documentation (see:
-# https://www.gnu.org/software/libiconv/) for the list of possible encodings.
-# The default value is: UTF-8.
-
-INPUT_ENCODING         = UTF-8
-
-# If the value of the INPUT tag contains directories, you can use the
-# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
-# *.h) to filter out the source-files in the directories.
-#
-# Note that for custom extensions or not directly supported extensions you also
-# need to set EXTENSION_MAPPING for the extension otherwise the files are not
-# read by doxygen.
-#
-# Note the list of default checked file patterns might differ from the list of
-# default file extension mappings.
-#
-# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp,
-# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h,
-# *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc,
-# *.m, *.markdown, *.md, *.mm, *.dox (to be provided as doxygen C comment),
-# *.py, *.pyw, *.f90, *.f95, *.f03, *.f08, *.f18, *.f, *.for, *.vhd, *.vhdl,
-# *.ucf, *.qsf and *.ice.
-
-FILE_PATTERNS          = *.c \
-                         *.cc \
-                         *.cxx \
-                         *.cpp \
-                         *.c++ \
-                         *.java \
-                         *.ii \
-                         *.ixx \
-                         *.ipp \
-                         *.i++ \
-                         *.inl \
-                         *.idl \
-                         *.ddl \
-                         *.odl \
-                         *.h \
-                         *.hh \
-                         *.hxx \
-                         *.hpp \
-                         *.h++ \
-                         *.cs \
-                         *.d \
-                         *.php \
-                         *.php4 \
-                         *.php5 \
-                         *.phtml \
-                         *.inc \
-                         *.m \
-                         *.markdown \
-                         *.md \
-                         *.mm \
-                         *.dox \
-                         *.py \
-                         *.pyw \
-                         *.vhd \
-                         *.vhdl \
-                         *.ucf \
-                         *.qsf \
-                         *.ice
-
-# The RECURSIVE tag can be used to specify whether or not subdirectories should
-# be searched for input files as well.
-# The default value is: NO.
-
-RECURSIVE              = NO
-
-# The EXCLUDE tag can be used to specify files and/or directories that should be
-# excluded from the INPUT source files. This way you can easily exclude a
-# subdirectory from a directory tree whose root is specified with the INPUT tag.
-#
-# Note that relative paths are relative to the directory from which doxygen is
-# run.
-
-EXCLUDE                =
-
-# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
-# directories that are symbolic links (a Unix file system feature) are excluded
-# from the input.
-# The default value is: NO.
-
-EXCLUDE_SYMLINKS       = NO
-
-# If the value of the INPUT tag contains directories, you can use the
-# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
-# certain files from those directories.
-#
-# Note that the wildcards are matched against the file with absolute path, so to
-# exclude all test directories for example use the pattern */test/*
-
-EXCLUDE_PATTERNS       =
-
-# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
-# (namespaces, classes, functions, etc.) that should be excluded from the
-# output. The symbol name can be a fully qualified name, a word, or if the
-# wildcard * is used, a substring. Examples: ANamespace, AClass,
-# AClass::ANamespace, ANamespace::*Test
-#
-# Note that the wildcards are matched against the file with absolute path, so to
-# exclude all test directories use the pattern */test/*
-
-EXCLUDE_SYMBOLS        = eckit
-
-# The EXAMPLE_PATH tag can be used to specify one or more files or directories
-# that contain example code fragments that are included (see the \include
-# command).
-
-EXAMPLE_PATH           =
-
-# If the value of the EXAMPLE_PATH tag contains directories, you can use the
-# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
-# *.h) to filter out the source-files in the directories. If left blank all
-# files are included.
-
-EXAMPLE_PATTERNS       = *
-
-# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
-# searched for input files to be used with the \include or \dontinclude commands
-# irrespective of the value of the RECURSIVE tag.
-# The default value is: NO.
-
-EXAMPLE_RECURSIVE      = NO
-
-# The IMAGE_PATH tag can be used to specify one or more files or directories
-# that contain images that are to be included in the documentation (see the
-# \image command).
-
-IMAGE_PATH             =
-
-# The INPUT_FILTER tag can be used to specify a program that doxygen should
-# invoke to filter for each input file. Doxygen will invoke the filter program
-# by executing (via popen()) the command:
-#
-# <filter> <input-file>
-#
-# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
-# name of an input file. Doxygen will then use the output that the filter
-# program writes to standard output. If FILTER_PATTERNS is specified, this tag
-# will be ignored.
-#
-# Note that the filter must not add or remove lines; it is applied before the
-# code is scanned, but not when the output code is generated. If lines are added
-# or removed, the anchors will not be placed correctly.
-#
-# Note that for custom extensions or not directly supported extensions you also
-# need to set EXTENSION_MAPPING for the extension otherwise the files are not
-# properly processed by doxygen.
-
-INPUT_FILTER           =
-
-# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
-# basis. Doxygen will compare the file name with each pattern and apply the
-# filter if there is a match. The filters are a list of the form: pattern=filter
-# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
-# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
-# patterns match the file name, INPUT_FILTER is applied.
-#
-# Note that for custom extensions or not directly supported extensions you also
-# need to set EXTENSION_MAPPING for the extension otherwise the files are not
-# properly processed by doxygen.
-
-FILTER_PATTERNS        =
-
-# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
-# INPUT_FILTER) will also be used to filter the input files that are used for
-# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
-# The default value is: NO.
-
-FILTER_SOURCE_FILES    = NO
-
-# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
-# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
-# it is also possible to disable source filtering for a specific pattern using
-# *.ext= (so without naming a filter).
-# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.
-
-FILTER_SOURCE_PATTERNS =
-
-# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
-# is part of the input, its contents will be placed on the main page
-# (index.html). This can be useful if you have a project on for instance GitHub
-# and want to reuse the introduction page also for the doxygen output.
-
-USE_MDFILE_AS_MAINPAGE =
-
-#---------------------------------------------------------------------------
-# Configuration options related to source browsing
-#---------------------------------------------------------------------------
-
-# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
-# generated. Documented entities will be cross-referenced with these sources.
-#
-# Note: To get rid of all source code in the generated output, make sure that
-# also VERBATIM_HEADERS is set to NO.
-# The default value is: NO.
-
-SOURCE_BROWSER         = NO
-
-# Setting the INLINE_SOURCES tag to YES will include the body of functions,
-# classes and enums directly into the documentation.
-# The default value is: NO.
-
-INLINE_SOURCES         = NO
-
-# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
-# special comment blocks from generated source code fragments. Normal C, C++ and
-# Fortran comments will always remain visible.
-# The default value is: YES.
-
-STRIP_CODE_COMMENTS    = YES
-
-# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
-# entity all documented functions referencing it will be listed.
-# The default value is: NO.
-
-REFERENCED_BY_RELATION = NO
-
-# If the REFERENCES_RELATION tag is set to YES then for each documented function
-# all documented entities called/used by that function will be listed.
-# The default value is: NO.
-
-REFERENCES_RELATION    = NO
-
-# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
-# to YES then the hyperlinks from functions in REFERENCES_RELATION and
-# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
-# link to the documentation.
-# The default value is: YES.
-
-REFERENCES_LINK_SOURCE = YES
-
-# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
-# source code will show a tooltip with additional information such as prototype,
-# brief description and links to the definition and documentation. Since this
-# will make the HTML file larger and loading of large files a bit slower, you
-# can opt to disable this feature.
-# The default value is: YES.
-# This tag requires that the tag SOURCE_BROWSER is set to YES.
-
-SOURCE_TOOLTIPS        = YES
-
-# If the USE_HTAGS tag is set to YES then the references to source code will
-# point to the HTML generated by the htags(1) tool instead of doxygen built-in
-# source browser. The htags tool is part of GNU's global source tagging system
-# (see https://www.gnu.org/software/global/global.html). You will need version
-# 4.8.6 or higher.
-#
-# To use it do the following:
-# - Install the latest version of global
-# - Enable SOURCE_BROWSER and USE_HTAGS in the configuration file
-# - Make sure the INPUT points to the root of the source tree
-# - Run doxygen as normal
-#
-# Doxygen will invoke htags (and that will in turn invoke gtags), so these
-# tools must be available from the command line (i.e. in the search path).
-#
-# The result: instead of the source browser generated by doxygen, the links to
-# source code will now point to the output of htags.
-# The default value is: NO.
-# This tag requires that the tag SOURCE_BROWSER is set to YES.
-
-USE_HTAGS              = NO
-
-# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
-# verbatim copy of the header file for each class for which an include is
-# specified. Set to NO to disable this.
-# See also: Section \class.
-# The default value is: YES.
-
-VERBATIM_HEADERS       = NO
-
-#---------------------------------------------------------------------------
-# Configuration options related to the alphabetical class index
-#---------------------------------------------------------------------------
-
-# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
-# compounds will be generated. Enable this if the project contains a lot of
-# classes, structs, unions or interfaces.
-# The default value is: YES.
-
-ALPHABETICAL_INDEX     = YES
-
-# In case all classes in a project start with a common prefix, all classes will
-# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
-# can be used to specify a prefix (or a list of prefixes) that should be ignored
-# while generating the index headers.
-# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
-
-IGNORE_PREFIX          =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the HTML output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output
-# The default value is: YES.
-
-GENERATE_HTML          = NO
-
-# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
-# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
-# it.
-# The default directory is: html.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_OUTPUT            = doxygen
-
-# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
-# generated HTML page (for example: .htm, .php, .asp).
-# The default value is: .html.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_FILE_EXTENSION    = .html
-
-# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
-# each generated HTML page. If the tag is left blank doxygen will generate a
-# standard header.
-#
-# To get valid HTML the header file that includes any scripts and style sheets
-# that doxygen needs, which is dependent on the configuration options used (e.g.
-# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
-# default header using
-# doxygen -w html new_header.html new_footer.html new_stylesheet.css
-# YourConfigFile
-# and then modify the file new_header.html. See also section "Doxygen usage"
-# for information on how to generate the default header that doxygen normally
-# uses.
-# Note: The header is subject to change so you typically have to regenerate the
-# default header when upgrading to a newer version of doxygen. For a description
-# of the possible markers and block names see the documentation.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_HEADER            =
-
-# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
-# generated HTML page. If the tag is left blank doxygen will generate a standard
-# footer. See HTML_HEADER for more information on how to generate a default
-# footer and what special commands can be used inside the footer. See also
-# section "Doxygen usage" for information on how to generate the default footer
-# that doxygen normally uses.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_FOOTER            =
-
-# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
-# sheet that is used by each HTML page. It can be used to fine-tune the look of
-# the HTML output. If left blank doxygen will generate a default style sheet.
-# See also section "Doxygen usage" for information on how to generate the style
-# sheet that doxygen normally uses.
-# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
-# it is more robust and this tag (HTML_STYLESHEET) will in the future become
-# obsolete.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_STYLESHEET        =
-
-# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined
-# cascading style sheets that are included after the standard style sheets
-# created by doxygen. Using this option one can overrule certain style aspects.
-# This is preferred over using HTML_STYLESHEET since it does not replace the
-# standard style sheet and is therefore more robust against future updates.
-# Doxygen will copy the style sheet files to the output directory.
-# Note: The order of the extra style sheet files is of importance (e.g. the last
-# style sheet in the list overrules the setting of the previous ones in the
-# list). For an example see the documentation.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_EXTRA_STYLESHEET  =
-
-# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
-# other source files which should be copied to the HTML output directory. Note
-# that these files will be copied to the base HTML output directory. Use the
-# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
-# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
-# files will be copied as-is; there are no commands or markers available.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_EXTRA_FILES       =
-
-# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
-# will adjust the colors in the style sheet and background images according to
-# this color. Hue is specified as an angle on a colorwheel, see
-# https://en.wikipedia.org/wiki/Hue for more information. For instance the value
-# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
-# purple, and 360 is red again.
-# Minimum value: 0, maximum value: 359, default value: 220.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_COLORSTYLE_HUE    = 220
-
-# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
-# in the HTML output. For a value of 0 the output will use grayscales only. A
-# value of 255 will produce the most vivid colors.
-# Minimum value: 0, maximum value: 255, default value: 100.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_COLORSTYLE_SAT    = 100
-
-# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
-# luminance component of the colors in the HTML output. Values below 100
-# gradually make the output lighter, whereas values above 100 make the output
-# darker. The value divided by 100 is the actual gamma applied, so 80 represents
-# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
-# change the gamma.
-# Minimum value: 40, maximum value: 240, default value: 80.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_COLORSTYLE_GAMMA  = 80
-
-# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
-# page will contain the date and time when the page was generated. Setting this
-# to YES can help to show when doxygen was last run and thus if the
-# documentation is up to date.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_TIMESTAMP         = NO
-
-# If the HTML_DYNAMIC_MENUS tag is set to YES then the generated HTML
-# documentation will contain a main index with vertical navigation menus that
-# are dynamically created via JavaScript. If disabled, the navigation index will
-# consists of multiple levels of tabs that are statically embedded in every HTML
-# page. Disable this option to support browsers that do not have JavaScript,
-# like the Qt help browser.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-# HTML_DYNAMIC_MENUS     = YES
-
-# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
-# documentation will contain sections that can be hidden and shown after the
-# page has loaded.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_DYNAMIC_SECTIONS  = NO
-
-# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
-# shown in the various tree structured indices initially; the user can expand
-# and collapse entries dynamically later on. Doxygen will expand the tree to
-# such a level that at most the specified number of entries are visible (unless
-# a fully collapsed tree already exceeds this amount). So setting the number of
-# entries 1 will produce a full collapsed tree by default. 0 is a special value
-# representing an infinite number of entries and will result in a full expanded
-# tree by default.
-# Minimum value: 0, maximum value: 9999, default value: 100.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_INDEX_NUM_ENTRIES = 100
-
-# If the GENERATE_DOCSET tag is set to YES, additional index files will be
-# generated that can be used as input for Apple's Xcode 3 integrated development
-# environment (see:
-# https://developer.apple.com/xcode/), introduced with OSX 10.5 (Leopard). To
-# create a documentation set, doxygen will generate a Makefile in the HTML
-# output directory. Running make will produce the docset in that directory and
-# running make install will install the docset in
-# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
-# startup. See https://developer.apple.com/library/archive/featuredarticles/Doxy
-# genXcode/_index.html for more information.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-GENERATE_DOCSET        = NO
-
-# This tag determines the name of the docset feed. A documentation feed provides
-# an umbrella under which multiple documentation sets from a single provider
-# (such as a company or product suite) can be grouped.
-# The default value is: Doxygen generated docs.
-# This tag requires that the tag GENERATE_DOCSET is set to YES.
-
-DOCSET_FEEDNAME        = "Doxygen generated docs"
-
-# This tag specifies a string that should uniquely identify the documentation
-# set bundle. This should be a reverse domain-name style string, e.g.
-# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
-# The default value is: org.doxygen.Project.
-# This tag requires that the tag GENERATE_DOCSET is set to YES.
-
-DOCSET_BUNDLE_ID       = org.doxygen.Project
-
-# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
-# the documentation publisher. This should be a reverse domain-name style
-# string, e.g. com.mycompany.MyDocSet.documentation.
-# The default value is: org.doxygen.Publisher.
-# This tag requires that the tag GENERATE_DOCSET is set to YES.
-
-DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
-
-# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
-# The default value is: Publisher.
-# This tag requires that the tag GENERATE_DOCSET is set to YES.
-
-DOCSET_PUBLISHER_NAME  = Publisher
-
-# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
-# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
-# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
-# (see:
-# https://www.microsoft.com/en-us/download/details.aspx?id=21138) on Windows.
-#
-# The HTML Help Workshop contains a compiler that can convert all HTML output
-# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
-# files are now used as the Windows 98 help format, and will replace the old
-# Windows help format (.hlp) on all Windows platforms in the future. Compressed
-# HTML files also contain an index, a table of contents, and you can search for
-# words in the documentation. The HTML workshop also contains a viewer for
-# compressed HTML files.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-GENERATE_HTMLHELP      = NO
-
-# The CHM_FILE tag can be used to specify the file name of the resulting .chm
-# file. You can add a path in front of the file if the result should not be
-# written to the html output directory.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-CHM_FILE               =
-
-# The HHC_LOCATION tag can be used to specify the location (absolute path
-# including file name) of the HTML help compiler (hhc.exe). If non-empty,
-# doxygen will try to run the HTML help compiler on the generated index.hhp.
-# The file has to be specified with full path.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-HHC_LOCATION           =
-
-# The GENERATE_CHI flag controls if a separate .chi index file is generated
-# (YES) or that it should be included in the main .chm file (NO).
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-GENERATE_CHI           = NO
-
-# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc)
-# and project file content.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-CHM_INDEX_ENCODING     =
-
-# The BINARY_TOC flag controls whether a binary table of contents is generated
-# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it
-# enables the Previous and Next buttons.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-BINARY_TOC             = NO
-
-# The TOC_EXPAND flag can be set to YES to add extra items for group members to
-# the table of contents of the HTML help documentation and to the tree view.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
-
-TOC_EXPAND             = NO
-
-# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
-# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
-# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
-# (.qch) of the generated HTML documentation.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-GENERATE_QHP           = NO
-
-# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
-# the file name of the resulting .qch file. The path specified is relative to
-# the HTML output folder.
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QCH_FILE               =
-
-# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
-# Project output. For more information please see Qt Help Project / Namespace
-# (see:
-# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#namespace).
-# The default value is: org.doxygen.Project.
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHP_NAMESPACE          = org.doxygen.Project
-
-# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
-# Help Project output. For more information please see Qt Help Project / Virtual
-# Folders (see:
-# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#virtual-folders).
-# The default value is: doc.
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHP_VIRTUAL_FOLDER     = doc
-
-# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
-# filter to add. For more information please see Qt Help Project / Custom
-# Filters (see:
-# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom-filters).
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHP_CUST_FILTER_NAME   =
-
-# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
-# custom filter to add. For more information please see Qt Help Project / Custom
-# Filters (see:
-# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom-filters).
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHP_CUST_FILTER_ATTRS  =
-
-# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
-# project's filter section matches. Qt Help Project / Filter Attributes (see:
-# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#filter-attributes).
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHP_SECT_FILTER_ATTRS  =
-
-# The QHG_LOCATION tag can be used to specify the location (absolute path
-# including file name) of Qt's qhelpgenerator. If non-empty doxygen will try to
-# run qhelpgenerator on the generated .qhp file.
-# This tag requires that the tag GENERATE_QHP is set to YES.
-
-QHG_LOCATION           =
-
-# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
-# generated, together with the HTML files, they form an Eclipse help plugin. To
-# install this plugin and make it available under the help contents menu in
-# Eclipse, the contents of the directory containing the HTML and XML files needs
-# to be copied into the plugins directory of eclipse. The name of the directory
-# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
-# After copying Eclipse needs to be restarted before the help appears.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-GENERATE_ECLIPSEHELP   = NO
-
-# A unique identifier for the Eclipse help plugin. When installing the plugin
-# the directory name containing the HTML and XML files should also have this
-# name. Each documentation set should have its own identifier.
-# The default value is: org.doxygen.Project.
-# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.
-
-ECLIPSE_DOC_ID         = org.doxygen.Project
-
-# If you want full control over the layout of the generated HTML pages it might
-# be necessary to disable the index and replace it with your own. The
-# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
-# of each HTML page. A value of NO enables the index and the value YES disables
-# it. Since the tabs in the index contain the same information as the navigation
-# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-DISABLE_INDEX          = NO
-
-# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
-# structure should be generated to display hierarchical information. If the tag
-# value is set to YES, a side panel will be generated containing a tree-like
-# index structure (just like the one that is generated for HTML Help). For this
-# to work a browser that supports JavaScript, DHTML, CSS and frames is required
-# (i.e. any modern browser). Windows users are probably better off using the
-# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can
-# further fine-tune the look of the index. As an example, the default style
-# sheet generated by doxygen has an example that shows how to put an image at
-# the root of the tree instead of the PROJECT_NAME. Since the tree basically has
-# the same information as the tab index, you could consider setting
-# DISABLE_INDEX to YES when enabling this option.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-GENERATE_TREEVIEW      = NO
-
-# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
-# doxygen will group on one line in the generated HTML documentation.
-#
-# Note that a value of 0 will completely suppress the enum values from appearing
-# in the overview section.
-# Minimum value: 0, maximum value: 20, default value: 4.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-ENUM_VALUES_PER_LINE   = 4
-
-# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
-# to set the initial width (in pixels) of the frame in which the tree is shown.
-# Minimum value: 0, maximum value: 1500, default value: 250.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-TREEVIEW_WIDTH         = 250
-
-# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to
-# external symbols imported via tag files in a separate window.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-EXT_LINKS_IN_WINDOW    = NO
-
-# If the HTML_FORMULA_FORMAT option is set to svg, doxygen will use the pdf2svg
-# tool (see https://github.com/dawbarton/pdf2svg) or inkscape (see
-# https://inkscape.org) to generate formulas as SVG images instead of PNGs for
-# the HTML output. These images will generally look nicer at scaled resolutions.
-# Possible values are: png (the default) and svg (looks nicer but requires the
-# pdf2svg or inkscape tool).
-# The default value is: png.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-# HTML_FORMULA_FORMAT    = png
-
-# Use this tag to change the font size of LaTeX formulas included as images in
-# the HTML documentation. When you change the font size after a successful
-# doxygen run you need to manually remove any form_*.png images from the HTML
-# output directory to force them to be regenerated.
-# Minimum value: 8, maximum value: 50, default value: 10.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-FORMULA_FONTSIZE       = 10
-
-# Use the FORMULA_TRANSPARENT tag to determine whether or not the images
-# generated for formulas are transparent PNGs. Transparent PNGs are not
-# supported properly for IE 6.0, but are supported on all modern browsers.
-#
-# Note that when changing this option you need to delete any form_*.png files in
-# the HTML output directory before the changes have effect.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-FORMULA_TRANSPARENT    = YES
-
-# The FORMULA_MACROFILE can contain LaTeX \newcommand and \renewcommand commands
-# to create new LaTeX commands to be used in formulas as building blocks. See
-# the section "Including formulas" for details.
-
-# FORMULA_MACROFILE      =
-
-# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
-# https://www.mathjax.org) which uses client side JavaScript for the rendering
-# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
-# installed or if you want to formulas look prettier in the HTML output. When
-# enabled you may also need to install MathJax separately and configure the path
-# to it using the MATHJAX_RELPATH option.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-USE_MATHJAX            = NO
-
-# When MathJax is enabled you can set the default output format to be used for
-# the MathJax output. See the MathJax site (see:
-# http://docs.mathjax.org/en/v2.7-latest/output.html) for more details.
-# Possible values are: HTML-CSS (which is slower, but has the best
-# compatibility), NativeMML (i.e. MathML) and SVG.
-# The default value is: HTML-CSS.
-# This tag requires that the tag USE_MATHJAX is set to YES.
-
-MATHJAX_FORMAT         = HTML-CSS
-
-# When MathJax is enabled you need to specify the location relative to the HTML
-# output directory using the MATHJAX_RELPATH option. The destination directory
-# should contain the MathJax.js script. For instance, if the mathjax directory
-# is located at the same level as the HTML output directory, then
-# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
-# Content Delivery Network so you can quickly see the result without installing
-# MathJax. However, it is strongly recommended to install a local copy of
-# MathJax from https://www.mathjax.org before deployment.
-# The default value is: https://cdn.jsdelivr.net/npm/mathjax@2.
-# This tag requires that the tag USE_MATHJAX is set to YES.
-
-MATHJAX_RELPATH        = https://cdn.jsdelivr.net/npm/mathjax@2
-
-# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
-# extension names that should be enabled during MathJax rendering. For example
-# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
-# This tag requires that the tag USE_MATHJAX is set to YES.
-
-MATHJAX_EXTENSIONS     =
-
-# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
-# of code that will be used on startup of the MathJax code. See the MathJax site
-# (see:
-# http://docs.mathjax.org/en/v2.7-latest/output.html) for more details. For an
-# example see the documentation.
-# This tag requires that the tag USE_MATHJAX is set to YES.
-
-MATHJAX_CODEFILE       =
-
-# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
-# the HTML output. The underlying search engine uses javascript and DHTML and
-# should work on any modern browser. Note that when using HTML help
-# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
-# there is already a search function so this one should typically be disabled.
-# For large projects the javascript based search engine can be slow, then
-# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
-# search using the keyboard; to jump to the search box use <access key> + S
-# (what the <access key> is depends on the OS and browser, but it is typically
-# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
-# key> to jump into the search results window, the results can be navigated
-# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
-# the search. The filter options can be selected when the cursor is inside the
-# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
-# to select a filter and <Enter> or <escape> to activate or cancel the filter
-# option.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-SEARCHENGINE           = YES
-
-# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
-# implemented using a web server instead of a web client using JavaScript. There
-# are two flavors of web server based searching depending on the EXTERNAL_SEARCH
-# setting. When disabled, doxygen will generate a PHP script for searching and
-# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing
-# and searching needs to be provided by external tools. See the section
-# "External Indexing and Searching" for details.
-# The default value is: NO.
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-SERVER_BASED_SEARCH    = NO
-
-# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
-# script for searching. Instead the search results are written to an XML file
-# which needs to be processed by an external indexer. Doxygen will invoke an
-# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
-# search results.
-#
-# Doxygen ships with an example indexer (doxyindexer) and search engine
-# (doxysearch.cgi) which are based on the open source search engine library
-# Xapian (see:
-# https://xapian.org/).
-#
-# See the section "External Indexing and Searching" for details.
-# The default value is: NO.
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-EXTERNAL_SEARCH        = NO
-
-# The SEARCHENGINE_URL should point to a search engine hosted by a web server
-# which will return the search results when EXTERNAL_SEARCH is enabled.
-#
-# Doxygen ships with an example indexer (doxyindexer) and search engine
-# (doxysearch.cgi) which are based on the open source search engine library
-# Xapian (see:
-# https://xapian.org/). See the section "External Indexing and Searching" for
-# details.
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-SEARCHENGINE_URL       =
-
-# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
-# search data is written to a file for indexing by an external tool. With the
-# SEARCHDATA_FILE tag the name of this file can be specified.
-# The default file is: searchdata.xml.
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-SEARCHDATA_FILE        = searchdata.xml
-
-# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
-# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
-# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
-# projects and redirect the results back to the right project.
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-EXTERNAL_SEARCH_ID     =
-
-# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
-# projects other than the one defined by this configuration file, but that are
-# all added to the same external search index. Each project needs to have a
-# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
-# to a relative location where the documentation can be found. The format is:
-# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
-# This tag requires that the tag SEARCHENGINE is set to YES.
-
-EXTRA_SEARCH_MAPPINGS  =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the LaTeX output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_LATEX tag is set to YES, doxygen will generate LaTeX output.
-# The default value is: YES.
-
-GENERATE_LATEX         = NO
-
-# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
-# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
-# it.
-# The default directory is: latex.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_OUTPUT           = latex
-
-# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
-# invoked.
-#
-# Note that when not enabling USE_PDFLATEX the default is latex when enabling
-# USE_PDFLATEX the default is pdflatex and when in the later case latex is
-# chosen this is overwritten by pdflatex. For specific output languages the
-# default can have been set differently, this depends on the implementation of
-# the output language.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_CMD_NAME         =
-
-# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
-# index for LaTeX.
-# Note: This tag is used in the Makefile / make.bat.
-# See also: LATEX_MAKEINDEX_CMD for the part in the generated output file
-# (.tex).
-# The default file is: makeindex.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-MAKEINDEX_CMD_NAME     = makeindex
-
-# The LATEX_MAKEINDEX_CMD tag can be used to specify the command name to
-# generate index for LaTeX. In case there is no backslash (\) as first character
-# it will be automatically added in the LaTeX code.
-# Note: This tag is used in the generated output file (.tex).
-# See also: MAKEINDEX_CMD_NAME for the part in the Makefile / make.bat.
-# The default value is: makeindex.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-# LATEX_MAKEINDEX_CMD    = makeindex
-
-# If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX
-# documents. This may be useful for small projects and may help to save some
-# trees in general.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-COMPACT_LATEX          = NO
-
-# The PAPER_TYPE tag can be used to set the paper type that is used by the
-# printer.
-# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
-# 14 inches) and executive (7.25 x 10.5 inches).
-# The default value is: a4.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-PAPER_TYPE             = a4
-
-# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
-# that should be included in the LaTeX output. The package can be specified just
-# by its name or with the correct syntax as to be used with the LaTeX
-# \usepackage command. To get the times font for instance you can specify :
-# EXTRA_PACKAGES=times or EXTRA_PACKAGES={times}
-# To use the option intlimits with the amsmath package you can specify:
-# EXTRA_PACKAGES=[intlimits]{amsmath}
-# If left blank no extra packages will be included.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-EXTRA_PACKAGES         =
-
-# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the
-# generated LaTeX document. The header should contain everything until the first
-# chapter. If it is left blank doxygen will generate a standard header. See
-# section "Doxygen usage" for information on how to let doxygen write the
-# default header to a separate file.
-#
-# Note: Only use a user-defined header if you know what you are doing! The
-# following commands have a special meaning inside the header: $title,
-# $datetime, $date, $doxygenversion, $projectname, $projectnumber,
-# $projectbrief, $projectlogo. Doxygen will replace $title with the empty
-# string, for the replacement values of the other commands the user is referred
-# to HTML_HEADER.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_HEADER           =
-
-# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the
-# generated LaTeX document. The footer should contain everything after the last
-# chapter. If it is left blank doxygen will generate a standard footer. See
-# LATEX_HEADER for more information on how to generate a default footer and what
-# special commands can be used inside the footer.
-#
-# Note: Only use a user-defined footer if you know what you are doing!
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_FOOTER           =
-
-# The LATEX_EXTRA_STYLESHEET tag can be used to specify additional user-defined
-# LaTeX style sheets that are included after the standard style sheets created
-# by doxygen. Using this option one can overrule certain style aspects. Doxygen
-# will copy the style sheet files to the output directory.
-# Note: The order of the extra style sheet files is of importance (e.g. the last
-# style sheet in the list overrules the setting of the previous ones in the
-# list).
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_EXTRA_STYLESHEET =
-
-# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
-# other source files which should be copied to the LATEX_OUTPUT output
-# directory. Note that the files will be copied as-is; there are no commands or
-# markers available.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_EXTRA_FILES      =
-
-# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
-# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
-# contain links (just like the HTML output) instead of page references. This
-# makes the output suitable for online browsing using a PDF viewer.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-PDF_HYPERLINKS         = YES
-
-# If the USE_PDFLATEX tag is set to YES, doxygen will use the engine as
-# specified with LATEX_CMD_NAME to generate the PDF file directly from the LaTeX
-# files. Set this option to YES, to get a higher quality PDF documentation.
-#
-# See also section LATEX_CMD_NAME for selecting the engine.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-USE_PDFLATEX           = YES
-
-# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
-# command to the generated LaTeX files. This will instruct LaTeX to keep running
-# if errors occur, instead of asking the user for help. This option is also used
-# when generating formulas in HTML.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_BATCHMODE        = NO
-
-# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
-# index chapters (such as File Index, Compound Index, etc.) in the output.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_HIDE_INDICES     = NO
-
-# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source
-# code with syntax highlighting in the LaTeX output.
-#
-# Note that which sources are shown also depends on other settings such as
-# SOURCE_BROWSER.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_SOURCE_CODE      = NO
-
-# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
-# bibliography, e.g. plainnat, or ieeetr. See
-# https://en.wikipedia.org/wiki/BibTeX and \cite for more info.
-# The default value is: plain.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_BIB_STYLE        = plain
-
-# If the LATEX_TIMESTAMP tag is set to YES then the footer of each generated
-# page will contain the date and time when the page was generated. Setting this
-# to NO can help when comparing the output of multiple runs.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_TIMESTAMP        = NO
-
-# The LATEX_EMOJI_DIRECTORY tag is used to specify the (relative or absolute)
-# path from which the emoji images will be read. If a relative path is entered,
-# it will be relative to the LATEX_OUTPUT directory. If left blank the
-# LATEX_OUTPUT directory will be used.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-# LATEX_EMOJI_DIRECTORY  =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the RTF output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_RTF tag is set to YES, doxygen will generate RTF output. The
-# RTF output is optimized for Word 97 and may not look too pretty with other RTF
-# readers/editors.
-# The default value is: NO.
-
-GENERATE_RTF           = NO
-
-# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
-# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
-# it.
-# The default directory is: rtf.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-RTF_OUTPUT             = rtf
-
-# If the COMPACT_RTF tag is set to YES, doxygen generates more compact RTF
-# documents. This may be useful for small projects and may help to save some
-# trees in general.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-COMPACT_RTF            = NO
-
-# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
-# contain hyperlink fields. The RTF file will contain links (just like the HTML
-# output) instead of page references. This makes the output suitable for online
-# browsing using Word or some other Word compatible readers that support those
-# fields.
-#
-# Note: WordPad (write) and others do not support links.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-RTF_HYPERLINKS         = NO
-
-# Load stylesheet definitions from file. Syntax is similar to doxygen's
-# configuration file, i.e. a series of assignments. You only have to provide
-# replacements, missing definitions are set to their default value.
-#
-# See also section "Doxygen usage" for information on how to generate the
-# default style sheet that doxygen normally uses.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-RTF_STYLESHEET_FILE    =
-
-# Set optional variables used in the generation of an RTF document. Syntax is
-# similar to doxygen's configuration file. A template extensions file can be
-# generated using doxygen -e rtf extensionFile.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-RTF_EXTENSIONS_FILE    =
-
-# If the RTF_SOURCE_CODE tag is set to YES then doxygen will include source code
-# with syntax highlighting in the RTF output.
-#
-# Note that which sources are shown also depends on other settings such as
-# SOURCE_BROWSER.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_RTF is set to YES.
-
-RTF_SOURCE_CODE        = NO
-
-#---------------------------------------------------------------------------
-# Configuration options related to the man page output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_MAN tag is set to YES, doxygen will generate man pages for
-# classes and files.
-# The default value is: NO.
-
-GENERATE_MAN           = NO
-
-# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a
-# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
-# it. A directory man3 will be created inside the directory specified by
-# MAN_OUTPUT.
-# The default directory is: man.
-# This tag requires that the tag GENERATE_MAN is set to YES.
-
-MAN_OUTPUT             = man
-
-# The MAN_EXTENSION tag determines the extension that is added to the generated
-# man pages. In case the manual section does not start with a number, the number
-# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is
-# optional.
-# The default value is: .3.
-# This tag requires that the tag GENERATE_MAN is set to YES.
-
-MAN_EXTENSION          = .3
-
-# The MAN_SUBDIR tag determines the name of the directory created within
-# MAN_OUTPUT in which the man pages are placed. If defaults to man followed by
-# MAN_EXTENSION with the initial . removed.
-# This tag requires that the tag GENERATE_MAN is set to YES.
-
-MAN_SUBDIR             =
-
-# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
-# will generate one additional man file for each entity documented in the real
-# man page(s). These additional files only source the real man page, but without
-# them the man command would be unable to find the correct page.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_MAN is set to YES.
-
-MAN_LINKS              = NO
-
-#---------------------------------------------------------------------------
-# Configuration options related to the XML output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_XML tag is set to YES, doxygen will generate an XML file that
-# captures the structure of the code including all documentation.
-# The default value is: NO.
-
-GENERATE_XML           = YES
-
-# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
-# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
-# it.
-# The default directory is: xml.
-# This tag requires that the tag GENERATE_XML is set to YES.
-
-XML_OUTPUT             = xml
-
-# If the XML_PROGRAMLISTING tag is set to YES, doxygen will dump the program
-# listings (including syntax highlighting and cross-referencing information) to
-# the XML output. Note that enabling this will significantly increase the size
-# of the XML output.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_XML is set to YES.
-
-XML_PROGRAMLISTING     = YES
-
-# If the XML_NS_MEMB_FILE_SCOPE tag is set to YES, doxygen will include
-# namespace members in file scope as well, matching the HTML output.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_XML is set to YES.
-
-# XML_NS_MEMB_FILE_SCOPE = NO
-
-#---------------------------------------------------------------------------
-# Configuration options related to the DOCBOOK output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_DOCBOOK tag is set to YES, doxygen will generate Docbook files
-# that can be used to generate PDF.
-# The default value is: NO.
-
-GENERATE_DOCBOOK       = NO
-
-# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in
-# front of it.
-# The default directory is: docbook.
-# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
-
-DOCBOOK_OUTPUT         = docbook
-
-# If the DOCBOOK_PROGRAMLISTING tag is set to YES, doxygen will include the
-# program listings (including syntax highlighting and cross-referencing
-# information) to the DOCBOOK output. Note that enabling this will significantly
-# increase the size of the DOCBOOK output.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
-
-DOCBOOK_PROGRAMLISTING = NO
-
-#---------------------------------------------------------------------------
-# Configuration options for the AutoGen Definitions output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an
-# AutoGen Definitions (see http://autogen.sourceforge.net/) file that captures
-# the structure of the code including all documentation. Note that this feature
-# is still experimental and incomplete at the moment.
-# The default value is: NO.
-
-GENERATE_AUTOGEN_DEF   = NO
-
-#---------------------------------------------------------------------------
-# Configuration options related to the Perl module output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_PERLMOD tag is set to YES, doxygen will generate a Perl module
-# file that captures the structure of the code including all documentation.
-#
-# Note that this feature is still experimental and incomplete at the moment.
-# The default value is: NO.
-
-GENERATE_PERLMOD       = NO
-
-# If the PERLMOD_LATEX tag is set to YES, doxygen will generate the necessary
-# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI
-# output from the Perl module output.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_PERLMOD is set to YES.
-
-PERLMOD_LATEX          = NO
-
-# If the PERLMOD_PRETTY tag is set to YES, the Perl module output will be nicely
-# formatted so it can be parsed by a human reader. This is useful if you want to
-# understand what is going on. On the other hand, if this tag is set to NO, the
-# size of the Perl module output will be much smaller and Perl will parse it
-# just the same.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_PERLMOD is set to YES.
-
-PERLMOD_PRETTY         = YES
-
-# The names of the make variables in the generated doxyrules.make file are
-# prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. This is useful
-# so different doxyrules.make files included by the same Makefile don't
-# overwrite each other's variables.
-# This tag requires that the tag GENERATE_PERLMOD is set to YES.
-
-PERLMOD_MAKEVAR_PREFIX =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the preprocessor
-#---------------------------------------------------------------------------
-
-# If the ENABLE_PREPROCESSING tag is set to YES, doxygen will evaluate all
-# C-preprocessor directives found in the sources and include files.
-# The default value is: YES.
-
-ENABLE_PREPROCESSING   = YES
-
-# If the MACRO_EXPANSION tag is set to YES, doxygen will expand all macro names
-# in the source code. If set to NO, only conditional compilation will be
-# performed. Macro expansion can be done in a controlled way by setting
-# EXPAND_ONLY_PREDEF to YES.
-# The default value is: NO.
-# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
-
-MACRO_EXPANSION        = NO
-
-# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES then
-# the macro expansion is limited to the macros specified with the PREDEFINED and
-# EXPAND_AS_DEFINED tags.
-# The default value is: NO.
-# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
-
-EXPAND_ONLY_PREDEF     = NO
-
-# If the SEARCH_INCLUDES tag is set to YES, the include files in the
-# INCLUDE_PATH will be searched if a #include is found.
-# The default value is: YES.
-# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
-
-SEARCH_INCLUDES        = YES
-
-# The INCLUDE_PATH tag can be used to specify one or more directories that
-# contain include files that are not input files but should be processed by the
-# preprocessor.
-# This tag requires that the tag SEARCH_INCLUDES is set to YES.
-
-INCLUDE_PATH           =
-
-# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
-# patterns (like *.h and *.hpp) to filter out the header-files in the
-# directories. If left blank, the patterns specified with FILE_PATTERNS will be
-# used.
-# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
-
-INCLUDE_FILE_PATTERNS  =
-
-# The PREDEFINED tag can be used to specify one or more macro names that are
-# defined before the preprocessor is started (similar to the -D option of e.g.
-# gcc). The argument of the tag is a list of macros of the form: name or
-# name=definition (no spaces). If the definition and the "=" are omitted, "=1"
-# is assumed. To prevent a macro definition from being undefined via #undef or
-# recursively expanded use the := operator instead of the = operator.
-# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
-
-PREDEFINED             =
-
-# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
-# tag can be used to specify a list of macro names that should be expanded. The
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diff --git a/docs/content/.DS_Store b/docs/content/.DS_Store
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diff --git a/docs/content/architectural-introduction.rst b/docs/content/architectural-introduction.rst
index 142b369cb..9cb735060 100644
--- a/docs/content/architectural-introduction.rst
+++ b/docs/content/architectural-introduction.rst
@@ -1,7 +1,7 @@
 .. _architectural-introduction-label:
 
 Architectural Introduction
-##########################
+~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 |Licence|
 
diff --git a/docs/content/architecture/.DS_Store b/docs/content/architecture/.DS_Store
deleted file mode 100644
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diff --git a/docs/content/operational-introduction.rst b/docs/content/operational-introduction.rst
index e3d72aa24..5a2e18cad 100644
--- a/docs/content/operational-introduction.rst
+++ b/docs/content/operational-introduction.rst
@@ -1,4 +1,10 @@
 .. _operational-introduction-label:
 
 Operational Introduction
-########################
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. toctree::
+   :maxdepth: 2
+
+   operational/tools
+
diff --git a/docs/content/technical/DebugTools.rst b/docs/content/operational/DebugTools.rst
similarity index 89%
rename from docs/content/technical/DebugTools.rst
rename to docs/content/operational/DebugTools.rst
index 55a1cb373..d50609cc2 100644
--- a/docs/content/technical/DebugTools.rst
+++ b/docs/content/operational/DebugTools.rst
@@ -1,5 +1,5 @@
 Debug Tools
-===========
+"""""""""""
 
 The debugging tools are found here:
 
diff --git a/docs/content/technical/DebugTools/dump-index.rst b/docs/content/operational/DebugTools/dump-index.rst
similarity index 97%
rename from docs/content/technical/DebugTools/dump-index.rst
rename to docs/content/operational/DebugTools/dump-index.rst
index 62c25a069..ac06d87bd 100644
--- a/docs/content/technical/DebugTools/dump-index.rst
+++ b/docs/content/operational/DebugTools/dump-index.rst
@@ -1,5 +1,5 @@
 fdb dump-index
-==============
+**************
 
 Dump the contents of a particular index file for debugging purposes.
 
@@ -40,4 +40,4 @@ Dump the contents of an index file.
     Contents of index:
       Fingerprint: 0:1000:130, location: FieldRefLocation(pathid=0,offset=0)
       Fingerprint: 0:300:130, location: FieldRefLocation(pathid=0,offset=3280398)
-      ...
\ No newline at end of file
+      ...
diff --git a/docs/content/technical/DebugTools/dump-toc.rst b/docs/content/operational/DebugTools/dump-toc.rst
similarity index 99%
rename from docs/content/technical/DebugTools/dump-toc.rst
rename to docs/content/operational/DebugTools/dump-toc.rst
index 664a823a0..e5c878235 100644
--- a/docs/content/technical/DebugTools/dump-toc.rst
+++ b/docs/content/operational/DebugTools/dump-toc.rst
@@ -1,5 +1,5 @@
 fdb dump-toc
-============
+************
 
 Description
 -----------
@@ -45,4 +45,4 @@ Dump the contents of a toc walking the subtocs logically. Note that subtocs that
   TOC_INIT  2019-06-07 14:17:01.032360, version:2, fdb: 50308, uid: <id>, pid 31508, host: <host>  Key: {class=rd,expver=xxxx,stream=oper,date=20160907,time=1200,domain=g}, sub-toc: no
   TOC_INDEX 2019-06-07 14:28:31.850438, version:2, fdb: 50308, uid: <id>, pid 644  , host: <host>  Path: an:pl.20190607.142831.<host>.2765958938625.index, offset: 0, type: BTreeIndex  Prefix: an:pl, key: {type=an,levtype=pl}
   TOC_INDEX 2019-06-07 14:17:01.943474, version:2, fdb: 50308, uid: <id>, pid 31508, host: <host>  Path: an:pl.20190607.141701.<host>.135325829562374.index, offset: 0, type: BTreeIndex  Prefix: an:pl, key: {type=an,levtype=pl}
-  ...
\ No newline at end of file
+  ...
diff --git a/docs/content/technical/DebugTools/dump.rst b/docs/content/operational/DebugTools/dump.rst
similarity index 99%
rename from docs/content/technical/DebugTools/dump.rst
rename to docs/content/operational/DebugTools/dump.rst
index 7a1cfdc2e..2552692f3 100644
--- a/docs/content/technical/DebugTools/dump.rst
+++ b/docs/content/operational/DebugTools/dump.rst
@@ -1,5 +1,5 @@
 fdb dump
-========
+********
 
 Dump the structural contents of the FDB. In particular, in the TOC formulation, enumerate the different entries in the Table of Contents (including INIT and CLEAR entries).
 
diff --git a/docs/content/technical/DebugTools/hammer.rst b/docs/content/operational/DebugTools/hammer.rst
similarity index 99%
rename from docs/content/technical/DebugTools/hammer.rst
rename to docs/content/operational/DebugTools/hammer.rst
index 2c40a22c1..395fef42e 100644
--- a/docs/content/technical/DebugTools/hammer.rst
+++ b/docs/content/operational/DebugTools/hammer.rst
@@ -1,5 +1,5 @@
 fdb hammer
-==========
+**********
 
 Description
 -----------
diff --git a/docs/content/technical/DebugTools/patch.rst b/docs/content/operational/DebugTools/patch.rst
similarity index 98%
rename from docs/content/technical/DebugTools/patch.rst
rename to docs/content/operational/DebugTools/patch.rst
index 4f6cdc3eb..4a4c80324 100644
--- a/docs/content/technical/DebugTools/patch.rst
+++ b/docs/content/operational/DebugTools/patch.rst
@@ -1,5 +1,5 @@
 fdb patch
-=========
+*********
 
 Description
 -----------
@@ -53,4 +53,4 @@ Note that this is a global search through all the databases of the FDB that matc
   
   12 fields (37.5412 Mbytes) copied to {expver=xxxz}
   Rates: 114.971 Mbytes per second, 36.7503 fields/s
-  fdb patch: 0.946881 second elapsed, 0.159061 second cpu
\ No newline at end of file
+  fdb patch: 0.946881 second elapsed, 0.159061 second cpu
diff --git a/docs/content/technical/DebugTools/read.rst b/docs/content/operational/DebugTools/read.rst
similarity index 99%
rename from docs/content/technical/DebugTools/read.rst
rename to docs/content/operational/DebugTools/read.rst
index 469041a80..cd988f662 100644
--- a/docs/content/technical/DebugTools/read.rst
+++ b/docs/content/operational/DebugTools/read.rst
@@ -1,5 +1,5 @@
 fdb read
-========
+********
 
 Read data from the FDB and write this data into a specified target file. This may involve visiting multiple databases if required by the request.
 
diff --git a/docs/content/technical/DebugTools/reconsolidate-toc.rst b/docs/content/operational/DebugTools/reconsolidate-toc.rst
similarity index 90%
rename from docs/content/technical/DebugTools/reconsolidate-toc.rst
rename to docs/content/operational/DebugTools/reconsolidate-toc.rst
index 9544d52f3..9021518a5 100644
--- a/docs/content/technical/DebugTools/reconsolidate-toc.rst
+++ b/docs/content/operational/DebugTools/reconsolidate-toc.rst
@@ -1,5 +1,5 @@
 fdb reconsolidate-toc
-=====================
+*********************
 
 This is an advanced tool that exists to assist cleanup in a situation where databases have been poorly written. This can occur in a number of contexts such as:
 
@@ -12,4 +12,4 @@ In general it is preferable to wipe such databases, and rerun with correct exper
 
 Usage
 -----
-``fdb reconsolidate-toc [database path]``
\ No newline at end of file
+``fdb reconsolidate-toc [database path]``
diff --git a/docs/content/technical/DebugTools/write.rst b/docs/content/operational/DebugTools/write.rst
similarity index 99%
rename from docs/content/technical/DebugTools/write.rst
rename to docs/content/operational/DebugTools/write.rst
index 5ed793863..22ae85be3 100644
--- a/docs/content/technical/DebugTools/write.rst
+++ b/docs/content/operational/DebugTools/write.rst
@@ -1,5 +1,5 @@
 fdb write
-=========
+*********
 
 Inserts data into the FDB, creating a new databases if needed.  
 The data is copied into the FDB, and the tool reports the location where it was inserted.  
diff --git a/docs/content/technical/GeneralPurposeTools.rst b/docs/content/operational/GeneralPurposeTools.rst
similarity index 69%
rename from docs/content/technical/GeneralPurposeTools.rst
rename to docs/content/operational/GeneralPurposeTools.rst
index 119c48635..0534fd07b 100644
--- a/docs/content/technical/GeneralPurposeTools.rst
+++ b/docs/content/operational/GeneralPurposeTools.rst
@@ -1,5 +1,5 @@
 General Purpose Tools
-=====================
+"""""""""""""""""""""
 
 The General Purpose tools are found here:
 
@@ -7,4 +7,4 @@ The General Purpose tools are found here:
    :maxdepth: 1
    :glob:
 
-   GeneralPurposeTools/*
\ No newline at end of file
+   GeneralPurposeTools/*
diff --git a/docs/content/technical/GeneralPurposeTools/fdb-stats.rst b/docs/content/operational/GeneralPurposeTools/fdb-stats.rst
similarity index 98%
rename from docs/content/technical/GeneralPurposeTools/fdb-stats.rst
rename to docs/content/operational/GeneralPurposeTools/fdb-stats.rst
index 3ab639af8..77948ef6c 100644
--- a/docs/content/technical/GeneralPurposeTools/fdb-stats.rst
+++ b/docs/content/operational/GeneralPurposeTools/fdb-stats.rst
@@ -1,5 +1,5 @@
 fdb stats
-=========
+*********
 
 Prints information about FDB databases, aggregating the information over all the databases visited into a final summary.
 
@@ -33,7 +33,7 @@ Example 1
 
 You may pass a partial request (as a key) that will print information on all FDB databases that match that key.
 
-::
+.. code-block:: bash
 
   % fdb stats class=od,expver=0001,stream=oper,date=20151001
   ...
@@ -67,7 +67,7 @@ Example 2
 
 The --details flag prints a report per database that is visited, as well as the overall summary
 
-::
+.. code-block:: bash
   
   % fdb stats class=od,expver=0001
   ...
@@ -98,4 +98,4 @@ The --details flag prints a report per database that is visited, as well as the
   ========
 
   Number of databases             : 4
-  ...
\ No newline at end of file
+  ...
diff --git a/docs/content/technical/GeneralPurposeTools/fdb.rst b/docs/content/operational/GeneralPurposeTools/fdb.rst
similarity index 98%
rename from docs/content/technical/GeneralPurposeTools/fdb.rst
rename to docs/content/operational/GeneralPurposeTools/fdb.rst
index c7555e8cf..554698849 100644
--- a/docs/content/technical/GeneralPurposeTools/fdb.rst
+++ b/docs/content/operational/GeneralPurposeTools/fdb.rst
@@ -1,5 +1,5 @@
 fdb
-===
+***
 
 Description
 -----------
@@ -38,4 +38,4 @@ fdb list example
   {class=od,expver=0001,stream=oper,date=20151004,time=1200,domain=g}{type=an,levtype=pl}{step=0,levelist=700,param=155}
   {class=od,expver=0001,stream=oper,date=20151004,time=1200,domain=g}{type=an,levtype=pl}{step=0,levelist=850,param=129}
   {class=od,expver=0001,stream=oper,date=20151004,time=1200,domain=g}{type=an,levtype=pl}{step=0,levelist=850,param=130}
-  ...
\ No newline at end of file
+  ...
diff --git a/docs/content/technical/GeneralPurposeTools/grib2fdb.rst b/docs/content/operational/GeneralPurposeTools/grib2fdb.rst
similarity index 99%
rename from docs/content/technical/GeneralPurposeTools/grib2fdb.rst
rename to docs/content/operational/GeneralPurposeTools/grib2fdb.rst
index a4a6019c5..2995e31b4 100644
--- a/docs/content/technical/GeneralPurposeTools/grib2fdb.rst
+++ b/docs/content/operational/GeneralPurposeTools/grib2fdb.rst
@@ -1,5 +1,5 @@
 grib2fdb5
-=========
+*********
 
 Inserts data into the FDB, creating a new databases if needed.
 
@@ -51,4 +51,4 @@ Check that the supplied keys match
   Processing data.grib
   Key {class=rd,expver=xxxx,type=an,stream=oper}
   FDB archive 12 fields, size 37.5412 Mbytes, in 0.086995 second (431.518 Mbytes per second)
-  fdb::service::archive: 0.087076 second elapsed, 0.087075 second cpu
\ No newline at end of file
+  fdb::service::archive: 0.087076 second elapsed, 0.087075 second cpu
diff --git a/docs/content/technical/GeneralPurposeTools/info.rst b/docs/content/operational/GeneralPurposeTools/info.rst
similarity index 98%
rename from docs/content/technical/GeneralPurposeTools/info.rst
rename to docs/content/operational/GeneralPurposeTools/info.rst
index 1edb3be7b..13d6efaaa 100644
--- a/docs/content/technical/GeneralPurposeTools/info.rst
+++ b/docs/content/operational/GeneralPurposeTools/info.rst
@@ -1,5 +1,5 @@
 fdb info
-========
+********
 
 Get information about the FDB configuration and binaries
 
@@ -61,4 +61,4 @@ Get location of current FDB configuration file in an easily parsable form:
 ::
   
   % fdb info --config
-  <path>/testcases/fdb5/fdb5_simple.yaml
\ No newline at end of file
+  <path>/testcases/fdb5/fdb5_simple.yaml
diff --git a/docs/content/technical/GeneralPurposeTools/list.rst b/docs/content/operational/GeneralPurposeTools/list.rst
similarity index 99%
rename from docs/content/technical/GeneralPurposeTools/list.rst
rename to docs/content/operational/GeneralPurposeTools/list.rst
index 72d764c53..2603226ca 100644
--- a/docs/content/technical/GeneralPurposeTools/list.rst
+++ b/docs/content/operational/GeneralPurposeTools/list.rst
@@ -1,5 +1,5 @@
 fdb list
-========
+********
 
 Lists the contents of the FDB databases.  
 In the body of the output, one line is given per field that has been archived. These (by default) present the fields that are available and will be retrievable - i.e. masked duplicates are skipped.  
diff --git a/docs/content/technical/GeneralPurposeTools/purge.rst b/docs/content/operational/GeneralPurposeTools/purge.rst
similarity index 98%
rename from docs/content/technical/GeneralPurposeTools/purge.rst
rename to docs/content/operational/GeneralPurposeTools/purge.rst
index 43b1fd636..85a3f83fe 100644
--- a/docs/content/technical/GeneralPurposeTools/purge.rst
+++ b/docs/content/operational/GeneralPurposeTools/purge.rst
@@ -1,5 +1,5 @@
 fdb purge
-=========
+*********
 
 Purge duplicate entries from the database and remove the associated data (if the data is owned, not adopted).
 
@@ -99,4 +99,4 @@ Additionally pass the --doit flag to delete the duplicates.
   ...
   
   % du -sh /data/fdb/od\:0001\:oper\:20160907\:1200\:g/
-  20M     fdb_root/root/od:0001:oper:20160907:1200:g/
\ No newline at end of file
+  20M     fdb_root/root/od:0001:oper:20160907:1200:g/
diff --git a/docs/content/technical/GeneralPurposeTools/schema.rst b/docs/content/operational/GeneralPurposeTools/schema.rst
similarity index 100%
rename from docs/content/technical/GeneralPurposeTools/schema.rst
rename to docs/content/operational/GeneralPurposeTools/schema.rst
diff --git a/docs/content/technical/GeneralPurposeTools/where.rst b/docs/content/operational/GeneralPurposeTools/where.rst
similarity index 99%
rename from docs/content/technical/GeneralPurposeTools/where.rst
rename to docs/content/operational/GeneralPurposeTools/where.rst
index 0a91247aa..29d082ac9 100644
--- a/docs/content/technical/GeneralPurposeTools/where.rst
+++ b/docs/content/operational/GeneralPurposeTools/where.rst
@@ -1,5 +1,5 @@
 fdb where
-=========
+*********
 
 Print the location of FDB5 database.
 
diff --git a/docs/content/technical/GeneralPurposeTools/wipe.rst b/docs/content/operational/GeneralPurposeTools/wipe.rst
similarity index 99%
rename from docs/content/technical/GeneralPurposeTools/wipe.rst
rename to docs/content/operational/GeneralPurposeTools/wipe.rst
index 4b19758ad..4874264e0 100644
--- a/docs/content/technical/GeneralPurposeTools/wipe.rst
+++ b/docs/content/operational/GeneralPurposeTools/wipe.rst
@@ -1,5 +1,5 @@
 fdb wipe
-========
+********
 
 Deletes FDB databases and the data therein contained. Uses the passed request to identify the database to delete.
 
@@ -142,4 +142,4 @@ Use --minimum-keys with caution! Setting --minimum-keys=class is a BAD IDEA! You
   Unlink /data/fdb5/rd:wxyz:oper:20151004:1200:g/toc
   Unlink /data/fdb5/rd:wxyz:oper:20151004:1200:g/schema
   Unlink /data/fdb5/rd:wxyz:oper:20151004:1200:g/an:pl.20170323.164359.host.30249454665731.data
-  Unlink /data/fdb5/rd:wxyz:oper:20151004:1200:g/an:pl.20170323.164359.host.30249454665730.index
\ No newline at end of file
+  Unlink /data/fdb5/rd:wxyz:oper:20151004:1200:g/an:pl.20170323.164359.host.30249454665730.index
diff --git a/docs/content/technical/SpecialPurposeTools.rst b/docs/content/operational/SpecialPurposeTools.rst
similarity index 69%
rename from docs/content/technical/SpecialPurposeTools.rst
rename to docs/content/operational/SpecialPurposeTools.rst
index baadc2da5..48f47950c 100644
--- a/docs/content/technical/SpecialPurposeTools.rst
+++ b/docs/content/operational/SpecialPurposeTools.rst
@@ -1,5 +1,5 @@
 Special Purpose Tools
-=====================
+"""""""""""""""""""""
 
 The Special Purpose tools are found here:
 
@@ -7,4 +7,4 @@ The Special Purpose tools are found here:
    :maxdepth: 1
    :glob:
 
-   SpecialPurposeTools/*
\ No newline at end of file
+   SpecialPurposeTools/*
diff --git a/docs/content/technical/SpecialPurposeTools/hide.rst b/docs/content/operational/SpecialPurposeTools/hide.rst
similarity index 98%
rename from docs/content/technical/SpecialPurposeTools/hide.rst
rename to docs/content/operational/SpecialPurposeTools/hide.rst
index 5a5aa9fda..f15268515 100644
--- a/docs/content/technical/SpecialPurposeTools/hide.rst
+++ b/docs/content/operational/SpecialPurposeTools/hide.rst
@@ -1,5 +1,5 @@
 fdb hide
-========
+********
 
 Hide the contents of one FDB database. This masks all existing entries in the database such that they are permanently inaccessible, without destructively damaging the data or indexes.
 
@@ -38,4 +38,4 @@ These changes can then be made permanent
 ::
   
   % fdb hide --doit class=rd,expver=xxxx,stream=oper,date=20160907,time=0000,domain=g
-  Hide contents of DB: TocDBReader(<path>/fdb5/root/rd:xxxx:oper:20160907:0000:g)
\ No newline at end of file
+  Hide contents of DB: TocDBReader(<path>/fdb5/root/rd:xxxx:oper:20160907:0000:g)
diff --git a/docs/content/technical/SpecialPurposeTools/move.rst b/docs/content/operational/SpecialPurposeTools/move.rst
similarity index 99%
rename from docs/content/technical/SpecialPurposeTools/move.rst
rename to docs/content/operational/SpecialPurposeTools/move.rst
index 736157a03..3f3210379 100644
--- a/docs/content/technical/SpecialPurposeTools/move.rst
+++ b/docs/content/operational/SpecialPurposeTools/move.rst
@@ -1,5 +1,5 @@
 fdb move
-========
+********
 
 Move the content of one FDB database. This locks the source database, make it possible to create a second database in another root, duplicates all data. Source data are not automatically removed.
 
diff --git a/docs/content/technical/SpecialPurposeTools/overlay.rst b/docs/content/operational/SpecialPurposeTools/overlay.rst
similarity index 99%
rename from docs/content/technical/SpecialPurposeTools/overlay.rst
rename to docs/content/operational/SpecialPurposeTools/overlay.rst
index 5b2af1f02..138cb8317 100644
--- a/docs/content/technical/SpecialPurposeTools/overlay.rst
+++ b/docs/content/operational/SpecialPurposeTools/overlay.rst
@@ -1,5 +1,5 @@
 fdb overlay
-===========
+***********
 
 Make the contents of one FDB database available as though they were archived using different keys (class or expver).
 
diff --git a/docs/content/technical/SpecialPurposeTools/root.rst b/docs/content/operational/SpecialPurposeTools/root.rst
similarity index 96%
rename from docs/content/technical/SpecialPurposeTools/root.rst
rename to docs/content/operational/SpecialPurposeTools/root.rst
index f7c03e49a..9cd78681e 100644
--- a/docs/content/technical/SpecialPurposeTools/root.rst
+++ b/docs/content/operational/SpecialPurposeTools/root.rst
@@ -1,5 +1,5 @@
 fdb root
-========
+********
 
 Find the location on disk of the specified databases.
 
@@ -42,4 +42,4 @@ Note that the supplied keys must be sufficient to identify the database. This su
   % fdb root --create class=od,expver=0001,stream=oper,date=20160907,time=1200
 
   {class=od,expver=0001,stream=oper,date=20160907,time=1200,domain=g} (Rule[line=128])
-  TocDBWriter(/data/fdb/od:0001:oper:20160907:1200:g)
\ No newline at end of file
+  TocDBWriter(/data/fdb/od:0001:oper:20160907:1200:g)
diff --git a/docs/content/technical/tools.rst b/docs/content/operational/tools.rst
similarity index 97%
rename from docs/content/technical/tools.rst
rename to docs/content/operational/tools.rst
index e391969a0..6fd9f0726 100644
--- a/docs/content/technical/tools.rst
+++ b/docs/content/operational/tools.rst
@@ -1,7 +1,7 @@
 .. _tools-label:
 
 FDB Tools
-=========
+`````````
 
 FDB has a set of general purpose CLI tools for archiving and retrieving user data, some special purpose tools for administrative maintenance and for developer tools for debugging.
 
diff --git a/docs/content/reference.rst b/docs/content/reference.rst
index eb90a9fc6..993636369 100644
--- a/docs/content/reference.rst
+++ b/docs/content/reference.rst
@@ -5,7 +5,8 @@ Two publications, co-authored by Simon D. Smart, Tiago Quintino, Baudouin Raoult
 describe fdb architecture and have been presented at PASC'17 `A Scalable Object Store for Meteorological and Climate Data`_ and PASC'19 `A High-Performance Distributed Object-Store for Exascale Numerical Weather Prediction and Climate`_
 
 In the following the two BibTeX snippets:
-::
+
+.. code-block:: latex
 
    @inproceedings{10.1145/3093172.3093238,
       author    = {Smart, Simon D. and Quintino, Tiago and Raoult, Baudouin},
@@ -23,8 +24,6 @@ In the following the two BibTeX snippets:
       series    = {PASC ’17}
    }
 
-
-
    @inproceedings{10.1145/3324989.3325726,
       author    = {Smart, Simon D. and Quintino, Tiago and Raoult, Baudouin},
       title     = {A High-Performance Distributed Object-Store for Exascale Numerical Weather Prediction and Climate},
@@ -43,4 +42,4 @@ In the following the two BibTeX snippets:
   
 
 .. _A Scalable Object Store for Meteorological and Climate Data: https://dl.acm.org/doi/pdf/10.1145/3093172.3093238
-.. _A High-Performance Distributed Object-Store for Exascale Numerical Weather Prediction and Climate: https://dl.acm.org/doi/pdf/10.1145/3324989.3325726
\ No newline at end of file
+.. _A High-Performance Distributed Object-Store for Exascale Numerical Weather Prediction and Climate: https://dl.acm.org/doi/pdf/10.1145/3324989.3325726
diff --git a/docs/content/technical-introduction.rst b/docs/content/technical-introduction.rst
index 3142455dd..28ec7fb7e 100644
--- a/docs/content/technical-introduction.rst
+++ b/docs/content/technical-introduction.rst
@@ -1,33 +1,28 @@
 .. _technical-introduction-label:
 
 Technical Introduction
-######################
+~~~~~~~~~~~~~~~~~~~~~~
 
 |Licence|
 
 FDB (Fields DataBase) is a domain-specific object store developed at ECMWF for storing, indexing and retrieving GRIB data. Each GRIB message is stored as a field and indexed trough semantic metadata (i.e. physical variables such as temperature, pressure, ...).
 A set of fields can be retrieved specifying a request using a specific language developed for accessing :doc:`mars` Archive
 
-FDB exposes a C++ API as well as CLI :doc:`tools`. 
+FDB exposes a C++ API as well as CLI :doc:`technical/api`. 
 
 .. toctree::
    :maxdepth: 1
 
    technical/requirements
    technical/build-and-installation
+   technical/check-installation
    technical/configuration
    technical/config
    technical/schema
-   technical/implementation
-   technical/usage-examples
    technical/api
-   technical/tools
-   technical/genindex
 
 .. |Licence| image:: https://img.shields.io/badge/License-Apache%202.0-blue.svg
    :target: https://github.com/ecmwf/fdb/blob/develop/LICENSE
    :alt: Apache Licence
 
 .. _mars: mars.html
-.. _tools: tools.html
-
diff --git a/docs/content/technical/Api/api_python.rst b/docs/content/technical/Api/api_python.rst
new file mode 100644
index 000000000..942aa7587
--- /dev/null
+++ b/docs/content/technical/Api/api_python.rst
@@ -0,0 +1,9 @@
+.. index:: Reference; Python API
+   :name: Python-reference
+
+Work on adding documentation for the FDB Python API is in progress here.
+
+The Python Api relies on a seperate project, see https://github.com/ecmwf/pyfdb.
+
+Python API
+==========
diff --git a/docs/content/technical/UsageExamples/check-installation.rst b/docs/content/technical/UsageExamples/check-installation.rst
deleted file mode 100644
index 537982e6b..000000000
--- a/docs/content/technical/UsageExamples/check-installation.rst
+++ /dev/null
@@ -1,36 +0,0 @@
-Checking Installation
-=================================
-
-To check whether the installation of the **FDB** was successful we can execute
-the following command
-
-.. code-block:: console
-
-   which fdb
-
-This should show the path to the installed FDB instance. If you receive and error
-message at this point in time, make sure that you added the path FDB is located
-at to you `PATH` environment variable.
-
-.. code-block:: console
-
-   fdb help
-
-The help argument shows a list of options we have to interact with the FDB application.
-The most useful for this stage would be to run ``fdb home`` to check whether the configuration
-of FDB and the corresponding home directory was successful. Running this command
-results in the following output:
-
-.. code-block:: console
-
-   /path/to/fdb/home
-
-If this isn't the case, make sure you exported the ``FDB_HOME`` environment variable
-as stated in the installation guide. Next we want to show information about
-the FDB instance. We run
-
-.. code-block:: console
-
-   fdb schema
-
-This should print the preconfigured schema.
diff --git a/docs/content/technical/UsageExamples/data-retrieval.rst b/docs/content/technical/UsageExamples/data-retrieval.rst
deleted file mode 100644
index 5f529d1c1..000000000
--- a/docs/content/technical/UsageExamples/data-retrieval.rst
+++ /dev/null
@@ -1,29 +0,0 @@
-Data retrieval and FDB insertion
-=====================================
-
-This task of loading data into **FDB** should help you to familiarize 
-yourself with the software.
-
-In this scenario we want to let FDB handle a GRIB file. 
-
-Inserting into FDB
-------------------
-Writing the GRIB file to FDB can be accomplished by the following command
-
-::
-
-   fdb write /path/to/grib/file
-
-Which will result in the following output (or similar depending on the GRIB file)
-
-::
-
-   Processing /path/to/grib/file
-   FDB archive 50 messages, size 156.422 Mbytes, in 0.350135 second (446.746 Mbytes per second)
-   fdb::service::archive: 0.350308 second elapsed, 0.118118 second cpu
-
-.. **WARNING: Do not run the following command
-.. in a production surrounding due it otherwise querying the entire FDB database.**
-..
-.. In case you are running an FDB instance locally (and only then) you can check the
-.. output of ``fdb list --all --minimum-keys=""``.
diff --git a/docs/content/technical/check-installation.rst b/docs/content/technical/check-installation.rst
index 841576d0c..488cf0d65 100644
--- a/docs/content/technical/check-installation.rst
+++ b/docs/content/technical/check-installation.rst
@@ -35,4 +35,3 @@ the FDB instance. We run
 
 This should print the set up schema.
 
-
diff --git a/docs/content/technical/config-schema.rst b/docs/content/technical/config-schema.rst
deleted file mode 100644
index 42db43721..000000000
--- a/docs/content/technical/config-schema.rst
+++ /dev/null
@@ -1,77 +0,0 @@
-FDB Config File
-===============
-
-Config files define a number of parameters for the FDB. There are several different
-types, which can be described by a FDB config file.
-
-Local
-******
-
-::
-
-  type: local
-  engine: toc
-  schema: ./schema
-  spaces:
-  - handler: Default    
-    roots:
-    -path: /path/to/fdb/root
-
-There a number of different types such as local, remote, distributed, and select.
-
-Local implements the passage of data from the frontend to storage backend, talk to the FDB Store and Catalogue. 
-Depending on the backend, the data or metadata may not actually be local.
-
-Select dispatches requests to different FDB's based on the metadata associated with the Messages, and can be used to send split requests OD from RD.
-
-Select
-*******
-
-::
-
-  type: select
-  fdbs:
-  - select: class=od
-    type:local
-    spaces:
-      roots:
-        -path: /path/to/fdb/od
-  -select: class=rd,expver=xx.?.?
-    type: local
-    spaces:
-      roots:
-        - path: /path/to/fdb/rd
-
-The remote type handles access to the remote FDB via TCP/IP. It talks to the FDB server using an asynchronous protocol.
-It only handles the transition. Not the distribution of data.
-
-Remote
-*******
-
-::
-
-  type: remote
-  host: fdb-minus
-  port: 36604
-
-The distributed type implements the multi-lane access to multiple FDB's. It uses rendezvous hashing to avoid synchronisations.
-
-Dist
-*****
-
-::
-
-  type: dist
-  lanes:
-    -type: remote
-      host: fdb-minus-1
-      port: 36604
-    -type: remote
-      host: fdb-minus-2
-      port: 36604
-
-These types can be composed together in the config file when using FDB.
-
-..
-  _## TODO: Get this reviewed and add more information.
-
diff --git a/docs/content/technical/configuration.rst b/docs/content/technical/configuration.rst
index 268e483ab..090651252 100644
--- a/docs/content/technical/configuration.rst
+++ b/docs/content/technical/configuration.rst
@@ -32,5 +32,45 @@ and is used for further storage operations. This is to guarantee data consistenc
 over the course of several storage procedures even if the global schema is subject
 to changes.
 
+Checking Installation
+---------------------------------
+
+To check whether the installation of the **FDB** was successful we can execute
+the following command
+
+.. code-block:: console
+
+   which fdb
+
+This should show the path to the installed FDB instance. If you receive and error
+message at this point in time, make sure that you added the path FDB is located
+at to you `PATH` environment variable.
+
+.. code-block:: console
+
+   fdb help
+
+The help argument shows a list of options we have to interact with the FDB application.
+The most useful for this stage would be to run ``fdb home`` to check whether the configuration
+of FDB and the corresponding home directory was successful. Running this command
+results in the following output:
+
+.. code-block:: console
+
+   /path/to/fdb/home
+
+If this isn't the case, make sure you exported the ``FDB_HOME`` environment variable
+as stated in the installation guide. Next we want to show information about
+the FDB instance. We run
+
+.. code-block:: console
+
+   fdb schema
+
+This should print the set up schema.
+
+
+
+
 .. _Config: config-schema.html
 .. _Schema: config-schema.html#schema
diff --git a/docs/content/technical/genindex.rst b/docs/content/technical/genindex.rst
deleted file mode 100644
index 9e530fa2f..000000000
--- a/docs/content/technical/genindex.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Index
-=====
diff --git a/docs/content/technical/installation.rst b/docs/content/technical/installation.rst
deleted file mode 100644
index cd7a81df9..000000000
--- a/docs/content/technical/installation.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-Installation
-============
-
diff --git a/docs/content/technical/introduction.rst b/docs/content/technical/introduction.rst
deleted file mode 100644
index eb8f61788..000000000
--- a/docs/content/technical/introduction.rst
+++ /dev/null
@@ -1,11 +0,0 @@
-Introduction
-============
-
-FDB exposes a C++ API as well as CLI :doc:`tools`. 
-
-.. |Licence| image:: https://img.shields.io/badge/License-Apache%202.0-blue.svg
-   :target: https://github.com/ecmwf/fdb/blob/develop/LICENSE
-   :alt: Apache Licence
-
-.. _mars: mars.html
-.. _tools: tools.html
diff --git a/docs/content/technical/schema.rst b/docs/content/technical/schema.rst
index 800ed10e0..172d9c565 100644
--- a/docs/content/technical/schema.rst
+++ b/docs/content/technical/schema.rst
@@ -55,7 +55,7 @@ With the rule from above, a message with the given metadata, retrieves the follo
 As you can see, the three levels are represented in the final key, describing the data.
 The individual sub-keys are:
 
-::
+.. code-block:: bash
 
   {class=od,expver=0001,stream=oper,date=20240202,time=0000,domain=g} # Dataset Key
   {type=fc,levtype=pl}                                                # Colloctation Key
diff --git a/docs/content/technical/usage-examples.rst b/docs/content/technical/usage-examples.rst
deleted file mode 100644
index 66286ac26..000000000
--- a/docs/content/technical/usage-examples.rst
+++ /dev/null
@@ -1,11 +0,0 @@
-.. index:: Usage, Examples
-
-Usage Examples
-==============
-
-.. toctree::
-   :maxdepth: 1
-
-   UsageExamples/check-installation
-   UsageExamples/data-retrieval
-
diff --git a/docs/index.rst b/docs/index.rst
index b96d82896..33cb1442b 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,3 +1,4 @@
+===============================
 Welcome to FDB's documentation!
 ===============================
 
@@ -9,6 +10,7 @@ request using a specific language developed for accessing MARS Archive.
 
 The documentation is divided into three parts: 
 
+***************************************
 :ref:`architectural-introduction-label`
 ***************************************
 
@@ -16,14 +18,16 @@ The aim of this document to given an overview of the system landscape, showing
 how the FDB integrates into an existing setup, consisting of a data archive, using
 the example of `MARS <https://confluence.ecmwf.int/display/UDOC/MARS+user+documentation>`_.
 
+***********************************
 :ref:`technical-introduction-label`
-***************************************
+***********************************
 
 The aim of this part of the documentation is to give a broad and technical overview of the 
 API of the FDB. 
 
+*************************************
 :ref:`operational-introduction-label`
-***************************************
+*************************************
 
 This part of the documentations aims at operations and how to configure and deploy the FDB.
 
@@ -38,6 +42,7 @@ This part of the documentations aims at operations and how to configure and depl
    content/operational-introduction
 
 .. raw:: html
+
    <hr>
 
 .. toctree::
diff --git a/src/fdb5/api/FDB.h b/src/fdb5/api/FDB.h
index 9d49fb51d..42ee9eb42 100644
--- a/src/fdb5/api/FDB.h
+++ b/src/fdb5/api/FDB.h
@@ -118,10 +118,22 @@ class FDB {
 
     eckit::DataHandle* read(ListIterator& it, bool sorted = false);
 
+    /** @brief Retrieve data which is specified by a MARS request
+     *
+     * @param request MarsRequest which describes the data which should be retrieved
+     * @return DataHandle for reading the requested data from
+     */
     eckit::DataHandle* retrieve(const metkit::mars::MarsRequest& request);
 
     ListIterator inspect(const metkit::mars::MarsRequest& request);
 
+    /** @brief List data present at the archive and which can be retrieved
+     *
+     * @param request FDBToolRequest stating which data should be queried
+     * @param deduplicate bool, whether the returned iterator should ignore duplicates
+     * @param length Size of the data to archive with the given @p key
+     * @return ListIterator for iterating over the set of found items
+     */
     ListIterator list(const FDBToolRequest& request, bool deduplicate=false);
 
     DumpIterator dump(const FDBToolRequest& request, bool simple=false);
@@ -129,6 +141,14 @@ class FDB {
     /// TODO: Is this function superfluous given the control() function?
     StatusIterator status(const FDBToolRequest& request);
 
+    /** @brief Wipe data from the database
+     *
+     * @param request FDBToolRequest stating which data should be queried
+     * @param doit flag for committing to the wipe (default is dry-run)
+     * @param porcelain flag for committing to the wipe (default is dry-run) (TODO: comment it)
+     * @param unsafeWipeAll flag for omitting all security checks and force a wipe
+     * @return WipeIterator for iterating over the set of wiped items
+     */
     WipeIterator wipe(const FDBToolRequest& request, bool doit=false, bool porcelain=false, bool unsafeWipeAll=false);
 
     MoveIterator move(const FDBToolRequest& request, const eckit::URI& dest);