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# Options:
option(QBS_INSTALL_HTML_DOCS "Whether to install Qbs HTML Documentation" OFF)
option(QBS_INSTALL_QCH_DOCS "Whether to install Qbs QCH Documentation" OFF)
option(QBS_INSTALL_MAN_PAGE "Whether to install Qbs man page" OFF)
# Get information on directories from qmake
# as this is not yet exported by cmake.
# Used for QT_INSTALL_DOCS
function(qt_query_qmake)
if (NOT TARGET Qt${QT_VERSION_MAJOR}::qmake)
message(FATAL_ERROR "Qmake was not found. Add find_package(Qt5 COMPONENTS Core) to CMake to enable.")
endif()
# dummy check for if we already queried qmake
if (QT_INSTALL_BINS)
return()
endif()
get_target_property(_qmake_binary Qt${QT_VERSION_MAJOR}::qmake IMPORTED_LOCATION)
execute_process(COMMAND "${_qmake_binary}" "-query"
TIMEOUT 10
RESULT_VARIABLE _qmake_result
OUTPUT_VARIABLE _qmake_stdout
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (NOT "${_qmake_result}" STREQUAL "0")
message(FATAL_ERROR "Qmake did not execute successfully: ${_qmake_result}.")
endif()
# split into lines:
string(REPLACE "\n" ";" _lines "${_qmake_stdout}")
foreach(_line ${_lines})
# split line into key/value pairs
string(REPLACE ":" ";" _parts "${_line}")
list(GET _parts 0 _key)
list(REMOVE_AT _parts 0)
string(REPLACE ";" ":" _value "${_parts}")
set("${_key}" "${_value}" CACHE PATH "qmake import of ${_key}" FORCE)
endforeach()
endfunction()
function(_qbs_setup_doc_targets)
# Set up important targets:
if (NOT TARGET qbs_html_docs)
add_custom_target(qbs_html_docs COMMENT "Build HTML documentation")
endif()
if (NOT TARGET qbs_qch_docs)
add_custom_target(qbs_qch_docs COMMENT "Build QCH documentation")
endif()
if (NOT TARGET BuildQbsDocumentation)
add_custom_target(
BuildQbsDocumentation ALL COMMENT "Build Qbs documentation")
add_dependencies(BuildQbsDocumentation qbs_html_docs qbs_qch_docs)
endif()
if (NOT TARGET qbs_docs)
add_custom_target(
qbs_docs ALL COMMENT "Build Qbs documentation")
add_dependencies(qbs_docs BuildQbsDocumentation)
endif()
endfunction()
function(_find_python_module module)
string(TOUPPER ${module} module_upper)
if (NOT PY_${module_upper})
if (ARGC GREATER 1 AND ARGV1 STREQUAL "REQUIRED")
set(${module}_FIND_REQUIRED TRUE)
endif()
# A module's location is usually a directory, but for binary modules
# it's a .so file.
execute_process(COMMAND "${Python3_EXECUTABLE}" "-c"
"import re, ${module}; print(re.compile('/__init__.py.*').sub('',${module}.__file__))"
RESULT_VARIABLE _${module}_status
OUTPUT_VARIABLE _${module}_location
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if (NOT _${module}_status)
set(PY_${module_upper} ${_${module}_location} CACHE STRING
"Location of Python module ${module}")
endif()
endif()
find_package_handle_standard_args(PY_${module} DEFAULT_MSG PY_${module_upper})
endfunction()
function(_qbs_setup_qdoc_targets _qdocconf_file _retval)
cmake_parse_arguments(_arg "" "HTML_DIR;INSTALL_DIR;POSTFIX"
"INDEXES;INCLUDE_DIRECTORIES;FRAMEWORK_PATHS;ENVIRONMENT_EXPORTS;SOURCES" ${ARGN})
foreach(_index ${_arg_INDEXES})
list(APPEND _qdoc_index_args "-indexdir;${_index}")
endforeach()
set(_env "")
foreach(_export ${_arg_ENVIRONMENT_EXPORTS})
if (NOT DEFINED "${_export}")
message(FATAL_ERROR "${_export} is not known when trying to export it to qdoc.")
endif()
list(APPEND _env "${_export}=${${_export}}")
endforeach()
get_target_property(_qdoc Qt${QT_VERSION_MAJOR}::qdoc IMPORTED_LOCATION)
set(_full_qdoc_command "${_qdoc}")
if (_env)
set(_full_qdoc_command "${CMAKE_COMMAND}" "-E" "env" ${_env} "${_qdoc}")
endif()
if (_arg_HTML_DIR STREQUAL "")
set(_arg_HTML_DIR "${CMAKE_CURRENT_BINARY_DIR}/doc")
endif()
get_filename_component(_target "${_qdocconf_file}" NAME_WE)
set(_html_outputdir "${_arg_HTML_DIR}")
file(MAKE_DIRECTORY "${_html_outputdir}")
set(_qdoc_include_args "")
if (_arg_INCLUDE_DIRECTORIES OR _arg_FRAMEWORK_PATHS)
# pass include directories to qdoc via hidden @ option, since we need to generate a file
# to be able to resolve the generators inside the include paths
set(_qdoc_includes "${CMAKE_CURRENT_BINARY_DIR}/cmake/qdoc_${_target}.inc")
set(_qdoc_include_args "@${_qdoc_includes}")
set(_includes "")
if (_arg_INCLUDE_DIRECTORIES)
set(_includes "-I$<JOIN:${_arg_INCLUDE_DIRECTORIES},\n-I>\n")
endif()
set(_frameworks "")
if (_arg_FRAMEWORK_PATHS)
set(_frameworks "-F$<JOIN:${_arg_FRAMEWORK_PATHS},\n-F>\n")
endif()
file(GENERATE
OUTPUT "${_qdoc_includes}"
CONTENT "${_includes}${_frameworks}"
)
endif()
set(_html_artifact "${_html_outputdir}/index.html")
add_custom_command(
OUTPUT "${_html_artifact}"
COMMAND cmake -E remove_directory "${_html_outputdir}"
COMMAND ${_full_qdoc_command} -outputdir "${_html_outputdir}" "${_qdocconf_file}"
${_qdoc_index_args} ${_qdoc_include_args}
DEPENDS "${_qdocconf_file}" ${_arg_SOURCES}
COMMENT "Build HTML documentation from ${_qdocconf_file}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
VERBATIM
)
if (NOT Python3_Interpreter_FOUND)
message(WARNING "Cannot find python3 binary. Qbs documentation will not be built.")
return()
endif()
_find_python_module(lxml)
_find_python_module(bs4)
if (NOT PY_LXML OR NOT PY_BS4)
message(WARNING "Cannot import lxml and bs4 python modules. Qbs documentation will not be built.")
return()
endif()
set(_fixed_html_artifact "${CMAKE_CURRENT_BINARY_DIR}/qbsdoc.dummy")
set(_fix_qml_imports_script ${Qbs_SOURCE_DIR}/doc/fix-qmlimports.py)
add_custom_command(
OUTPUT "${_fixed_html_artifact}"
COMMAND ${Python3_EXECUTABLE} "${_fix_qml_imports_script}" ${_html_outputdir}
COMMAND cmake -E touch ${_fixed_html_artifact}
DEPENDS "${_html_artifact}" "${_fix_qml_imports_script}"
COMMENT "Fixing bogus QML import statements"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
VERBATIM
)
set(_html_target "qbs_html_docs_${_target}")
add_custom_target(${_html_target} DEPENDS "${_fixed_html_artifact}")
add_dependencies(qbs_html_docs "${_html_target}")
# artifacts might be required for QCH-only installation, so we build them
# always, and skip HTML docs installation here
if (QBS_INSTALL_HTML_DOCS)
install(DIRECTORY "${_html_outputdir}" DESTINATION "${_arg_INSTALL_DIR}"
COMPONENT qbs_docs)
endif()
set("${_retval}" "${_html_outputdir}" PARENT_SCOPE)
endfunction()
function(_qbs_setup_qhelpgenerator_targets _qdocconf_file _html_outputdir)
cmake_parse_arguments(_arg "" "QCH_DIR;INSTALL_DIR" "" ${ARGN})
if (_arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "qdoc_build_qdocconf_file has unknown arguments: ${_arg_UNPARSED_ARGUMENTS}.")
endif()
if (NOT _arg_QCH_DIR)
set(_arg_QCH_DIR "${CMAKE_CURRENT_BINARY_DIR}/doc")
endif()
if (NOT TARGET Qt${QT_VERSION_MAJOR}::qhelpgenerator)
message(WARNING "qhelpgenerator missing: No QCH documentation targets were generated. Add find_package(Qt5 COMPONENTS Help) to CMake to enable.")
return()
endif()
get_filename_component(_target "${_qdocconf_file}" NAME_WE)
set(_html_target "qbs_html_docs_${_target}")
if (NOT TARGET ${_html_target})
return()
endif()
set(_qch_outputdir "${_arg_QCH_DIR}")
file(MAKE_DIRECTORY "${_qch_outputdir}")
set(_fixed_html_artifact "${CMAKE_CURRENT_BINARY_DIR}/qbsdoc.dummy")
set(_qhp_artifact "${_html_outputdir}/${_target}.qhp")
set(_qch_artifact "${_qch_outputdir}/${_target}.qch")
add_custom_command(
OUTPUT "${_qch_artifact}"
COMMAND Qt${QT_VERSION_MAJOR}::qhelpgenerator "${_qhp_artifact}" -o "${_qch_artifact}"
DEPENDS "${_fixed_html_artifact}"
COMMENT "Build QCH documentation from ${_qdocconf_file}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
VERBATIM
)
set(_qch_target "qbs_qch_docs_${_target}")
add_custom_target("${_qch_target}" DEPENDS "${_qch_artifact}")
add_dependencies(qbs_qch_docs "${_qch_target}")
install(FILES "${_qch_outputdir}/${_target}.qch" DESTINATION "${_arg_INSTALL_DIR}"
COMPONENT qbs_docs)
endfunction()
# Helper functions:
function(_qbs_qdoc_build_qdocconf_file _qdocconf_file)
_qbs_setup_doc_targets()
if (NOT TARGET Qt${QT_VERSION_MAJOR}::qdoc)
message(WARNING "No qdoc binary found: No documentation targets were generated")
return()
endif()
cmake_parse_arguments(_arg "QCH" "HTML_DIR;QCH_DIR;INSTALL_DIR;POSTFIX"
"INDEXES;INCLUDE_DIRECTORIES;FRAMEWORK_PATHS;ENVIRONMENT_EXPORTS;SOURCES" ${ARGN})
if (_arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "qdoc_build_qdocconf_file has unknown arguments: ${_arg_UNPARSED_ARGUMENTS}.")
endif()
if (NOT _arg_INSTALL_DIR)
message(FATAL_ERROR "No INSTALL_DIR set when calling qdoc_build_qdocconf_file")
endif()
_qbs_setup_qdoc_targets("${_qdocconf_file}" _html_outputdir
HTML_DIR "${_arg_HTML_DIR}" INSTALL_DIR "${_arg_INSTALL_DIR}"
INDEXES ${_arg_INDEXES} ENVIRONMENT_EXPORTS ${_arg_ENVIRONMENT_EXPORTS}
POSTFIX "${_arg_POSTFIX}"
INCLUDE_DIRECTORIES ${_arg_INCLUDE_DIRECTORIES}
FRAMEWORK_PATHS ${_arg_FRAMEWORK_PATHS}
SOURCES ${_arg_SOURCES}
)
if (_arg_QCH)
_qbs_setup_qhelpgenerator_targets("${_qdocconf_file}" "${_html_outputdir}"
QCH_DIR "${_arg_QCH_DIR}" INSTALL_DIR "${_arg_INSTALL_DIR}")
endif()
endfunction()
function(add_qbs_documentation qdocconf_file)
cmake_parse_arguments(_arg "" ""
"INCLUDE_DIRECTORIES;FRAMEWORK_PATHS;SOURCES" ${ARGN})
if (_arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "add_qbs_documentation has unknown arguments: ${_arg_UNPARSED_ARGUMENTS}.")
endif()
### Skip docs setup if that is not needed!
if (NOT QBS_INSTALL_HTML_DOCS AND NOT QBS_INSTALL_QCH_DOCS)
return()
endif()
qt_query_qmake()
set(SRCDIR "${Qbs_SOURCE_DIR}/doc")
set(_qch_params)
# if QBS_INSTALL_QCH_DOCS is No, qch generation will be skipped entirely
if (QBS_INSTALL_QCH_DOCS)
set(_qch_params QCH QCH_DIR "${CMAKE_CURRENT_BINARY_DIR}")
endif()
set(_qdoc_params HTML_DIR "${CMAKE_CURRENT_BINARY_DIR}/${QBS_DOC_HTML_DIR_NAME}")
list(APPEND _qdoc_params INSTALL_DIR "${QBS_DOC_INSTALL_DIR}")
# Set up environment for qdoc:
string(REPLACE "." "" QBS_VERSION_TAG "${QBS_VERSION}")
list(APPEND _qdoc_params ENVIRONMENT_EXPORTS
SRCDIR QBS_VERSION QBS_VERSION_TAG
QT_INSTALL_DOCS
)
_qbs_qdoc_build_qdocconf_file(${qdocconf_file} ${_qch_params} ${_qdoc_params}
INCLUDE_DIRECTORIES ${_arg_INCLUDE_DIRECTORIES}
FRAMEWORK_PATHS ${_arg_FRAMEWORK_PATHS}
SOURCES ${_arg_SOURCES}
)
endfunction()
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