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# CMake macros to use the GtkDoc documentation system
find_package(GtkDoc)
# gtk_doc_add_module(doc_prefix sourcedir
# [XML xmlfile]
# [FIXXREFOPTS fixxrefoption1...]
# [IGNOREHEADERS header1...]
# [DEPENDS depend1...] )
#
# sourcedir must be the *full* path to the source directory.
#
# If omitted, sgmlfile defaults to the auto generated ${doc_prefix}/${doc_prefix}-docs.xml.
function(gtk_doc_add_module _doc_prefix _doc_sourcedir)
set (_multi_value DEPENDS XML FIXXREFOPTS IGNOREHEADERS CFLAGS LDFLAGS LDPATH SUFFIXES)
cmake_parse_arguments (ARG "" "" "${_multi_value}" ${ARGN})
list(LENGTH ARG_XML _xml_file_length)
if(ARG_SUFFIXES)
set(_doc_source_suffixes "")
foreach(_suffix ${ARG_SUFFIXES})
if(_doc_source_suffixes)
set(_doc_source_suffixes "${_doc_source_suffixes},${_suffix}")
else(_doc_source_suffixes)
set(_doc_source_suffixes "${_suffix}")
endif(_doc_source_suffixes)
endforeach(_suffix)
else(ARG_SUFFIXES)
set(_doc_source_suffixes "h")
endif(ARG_SUFFIXES)
set(_do_all ALL)
set(_opts_valid 1)
if(NOT _xml_file_length LESS 2)
message(SEND_ERROR "Must have at most one sgml file specified.")
set(_opts_valid 0)
endif(NOT _xml_file_length LESS 2)
if(_opts_valid)
# a directory to store output.
set(_output_dir "${CMAKE_CURRENT_BINARY_DIR}/${_doc_prefix}")
set(_output_dir_stamp "${_output_dir}/dir.stamp")
# set default sgml file if not specified
set(_default_xml_file "${_output_dir}/${_doc_prefix}-docs.xml")
get_filename_component(_default_xml_file ${_default_xml_file} ABSOLUTE)
# a directory to store html output.
set(_output_html_dir "${_output_dir}/html")
set(_output_html_dir_stamp "${_output_dir}/html_dir.stamp")
# The output files
set(_output_decl_list "${_output_dir}/${_doc_prefix}-decl-list.txt")
set(_output_decl "${_output_dir}/${_doc_prefix}-decl.txt")
set(_output_overrides "${_output_dir}/${_doc_prefix}-overrides.txt")
set(_output_sections "${_output_dir}/${_doc_prefix}-sections.txt")
set(_output_types "${_output_dir}/${_doc_prefix}.types")
set(_output_signals "${_output_dir}/${_doc_prefix}.signals")
set(_output_unused "${_output_dir}/${_doc_prefix}-unused.txt")
set(_output_undeclared "${_output_dir}/${_doc_prefix}-undeclared.txt")
set(_output_undocumented "${_output_dir}/${_doc_prefix}-undocumented.txt")
set(_output_tmpl_dir "${_output_dir}/tmpl")
set(_output_tmpl_stamp "${_output_dir}/tmpl.stamp")
set(_output_xml_dir "${_output_dir}/xml")
set(_output_sgml_stamp "${_output_dir}/sgml.stamp")
set(_output_html_stamp "${_output_dir}/html.stamp")
# add a command to create output directory
add_custom_command(
OUTPUT "${_output_dir_stamp}" "${_output_dir}"
COMMAND ${CMAKE_COMMAND} -E make_directory "${_output_dir}"
COMMAND ${CMAKE_COMMAND} -E touch ${_output_dir_stamp}
VERBATIM)
set(_ignore_headers_opt "")
if(ARG_IGNOREHEADERS)
set(_ignore_headers_opt "--ignore-headers=")
foreach(_header ${ARG_IGNOREHEADERS})
set(_ignore_headers_opt "${_ignore_headers_opt}${_header} ")
endforeach(_header ${ARG_IGNOREHEADERS})
endif(ARG_IGNOREHEADERS)
# add a command to scan the input
add_custom_command(
OUTPUT
"${_output_decl_list}"
"${_output_decl}"
"${_output_decl}.bak"
"${_output_overrides}"
"${_output_sections}"
"${_output_types}"
"${_output_types}.bak"
DEPENDS
"${_output_dir}"
${ARG_DEPENDS}
COMMAND ${GTKDOC_SCAN_EXE}
"--module=${_doc_prefix}"
"${_ignore_headers_opt}"
"--rebuild-sections"
"--rebuild-types"
"--source-dir=${_doc_sourcedir}"
WORKING_DIRECTORY "${_output_dir}"
VERBATIM)
# add a command to scan the input via gtkdoc-scangobj
# This is such a disgusting hack!
add_custom_command(
OUTPUT
"${_output_signals}"
DEPENDS
"${_output_types}"
"${ARG_DEPENDS}"
COMMAND ${CMAKE_COMMAND}
-D "GTKDOC_SCANGOBJ_EXE:STRING=${GTKDOC_SCANGOBJ_EXE}"
-D "doc_prefix:STRING=${_doc_prefix}"
-D "output_types:STRING=${_output_types}"
-D "output_dir:STRING=${_output_dir}"
-D "EXTRA_CFLAGS:STRING=${ARG_CFLAGS}"
-D "EXTRA_LDFLAGS:STRING=${ARG_LDFLAGS}"
-D "EXTRA_LDPATH:STRING=${ARG_LDPATH}"
-P ${GTKDOC_SCANGOBJ_WRAPPER}
WORKING_DIRECTORY "${_output_dir}"
VERBATIM)
# add a command to make the templates
add_custom_command(
OUTPUT
"${_output_unused}"
"${_output_undeclared}"
"${_output_undocumented}"
"${_output_tmpl_dir}"
"${_output_tmpl_stamp}"
DEPENDS
"${_output_types}"
"${_output_signals}"
"${_output_sections}"
"${_output_overrides}"
${ARG_DEPENDS}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${_output_tmpl_dir}
COMMAND ${GTKDOC_MKTMPL_EXE}
"--module=${_doc_prefix}"
WORKING_DIRECTORY "${_output_dir}"
VERBATIM)
set(_copy_xml_if_needed "")
if(ARG_XML)
get_filename_component(ARG_XML ${ARG_XML} ABSOLUTE)
set(_copy_xml_if_needed
COMMAND ${CMAKE_COMMAND} -E copy "${ARG_XML}" "${_default_xml_file}")
endif(ARG_XML)
set(_remove_xml_if_needed "")
if(ARG_XML)
set(_remove_xml_if_needed
COMMAND ${CMAKE_COMMAND} -E remove ${_default_xml_file})
endif(ARG_XML)
# add a command to make the database
add_custom_command(
OUTPUT
"${_output_sgml_stamp}"
"${_default_xml_file}"
DEPENDS
"${_output_tmpl_stamp}"
"${_output_unused}"
"${_output_undeclared}"
"${_output_undocumented}"
${ARG_DEPENDS}
${_remove_xml_if_needed}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${_output_xml_dir}
COMMAND ${GTKDOC_MKDB_EXE}
"--module=${_doc_prefix}"
"--source-dir=${_doc_sourcedir}"
"--source-suffixes=${_doc_source_suffixes}"
"--output-format=xml"
"--main-sgml-file=${_default_xml_file}"
${_copy_xml_if_needed}
WORKING_DIRECTORY "${_output_dir}"
VERBATIM)
# add a command to create html directory
add_custom_command(
OUTPUT "${_output_html_dir_stamp}" "${_output_html_dir}"
COMMAND ${CMAKE_COMMAND} -E make_directory ${_output_html_dir}
COMMAND ${CMAKE_COMMAND} -E touch ${_output_html_dir_stamp}
VERBATIM)
# add a command to output HTML
add_custom_command(
OUTPUT
"${_output_html_stamp}"
DEPENDS
"${_output_html_dir_stamp}"
"${_output_sgml_stamp}"
"${_output_tmpl_stamp}"
"${ARG_XML}"
${ARG_DEPENDS}
${_copy_xml_if_needed}
COMMAND ${GTKDOC_MKHTML_EXE}
"${_doc_prefix}"
"${_default_xml_file}"
WORKING_DIRECTORY "${_output_html_dir}"
VERBATIM)
# fix output refs
add_custom_target("${_doc_prefix}-gtxdoc-fixxref"
DEPENDS
"${_output_html_stamp}"
${ARG_DEPENDS}
COMMAND ${GTKDOC_FIXXREF_EXE}
"--module=${_doc_prefix}"
"--module-dir=."
${ARG_FIXXREFOPTS}
#${_remove_xml_if_needed}
WORKING_DIRECTORY "${_output_dir}"
VERBATIM)
add_custom_target(doc-${_doc_prefix} ${_do_all}
DEPENDS
"${_doc_prefix}-gtxdoc-fixxref"
${ARG_DEPENDS})
add_test(doc-${_doc_prefix}-check ${GTKDOC_CHECK_EXE})
set_tests_properties(doc-${_doc_prefix}-check PROPERTIES
ENVIRONMENT "DOC_MODULE=${_doc_prefix};DOC_MAIN_SGML_FILE=${_doc_prefix}-docs.xml;SRCDIR=${_doc_sourcedir};BUILDDIR=${_output_dir}"
)
endif(_opts_valid)
endfunction(gtk_doc_add_module)
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