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# SPDX-FileCopyrightText: 2025 Felix Morgner <felix.morgner@gmail.com>
# SPDX-License-Identifier: LGPL-2.1-only
include_guard()
# Dependencies
find_program(G_IR_COMPILER_BIN NAMES "g-ir-compiler" REQUIRED)
find_program(G_IR_SCANNER_BIN NAMES "g-ir-scanner" REQUIRED)
find_program(GLIB_COMPILE_RESOURCES NAMES "glib-compile-resources" REQUIRED)
find_program(GLIB_COMPILE_SCHEMAS_BIN NAMES "glib-compile-schemas" REQUIRED)
find_program(GLIB_MKENUMS_BIN NAMES "glib-mkenums" REQUIRED)
# Functions
function(glib_generate_gir TARGET)
if(NOT BUILD_SHARED_LIBS)
message(STATUS "Glib: skipping GIR generation for static library target '${TARGET}'")
return()
endif()
set(SINGLE_VALUE_ARGS
"NAMESPACE"
"OUTPUT"
"VERSION"
)
set(MULTI_VALUE_ARGS
"DEPENDENCIES"
"SOURCES"
)
cmake_parse_arguments(
PARSE_ARGV 1
""
"${OPTIONS}"
"${SINGLE_VALUE_ARGS}"
"${MULTI_VALUE_ARGS}"
)
if(NOT TARGET "${TARGET}")
message(FATAL_ERROR "Glib: Target '${TARGET}' does not exist")
endif()
if(NOT _NAMESPACE)
set(_NAMESPACE "${PROJECT_NAME}")
message(WARNING "Glib: defaulting to namespace ${_NAMESPACE}")
endif()
if(NOT _OUTPUT_DIR)
get_target_property(_OUTPUT_DIR "${TARGET}" BINARY_DIR)
endif()
if(NOT _VERSION)
set(_VERSION "${CMAKE_PROJECT_VERSION_MAJOR}.${CMAKE_PROJECT_VERSION_MINOR}")
message(WARNING "Glib: defaulting to version ${_VERSION}")
endif()
if(NOT _DEPENDENCIES)
message(FATAL_ERROR "Glib: no dependencies specified")
endif()
if(NOT _SOURCES)
get_target_property(SOURCES "${TARGET}" SOURCES)
get_target_property(HEADERS "${TARGET}" HEADER_SET)
set(_SOURCES ${HEADERS} ${SOURCES})
endif()
get_target_property(TARGET_OUTPUT_NAME "${TARGET}" OUTPUT_NAME)
set(_OUTPUT_FILE "${_OUTPUT_DIR}/$<CONFIG>/${_NAMESPACE}-${_VERSION}")
add_custom_command(TARGET "${TARGET}"
POST_BUILD
BYPRODUCTS
"${_OUTPUT_FILE}.gir"
"${_OUTPUT_FILE}.typelib"
COMMENT "Generating GIR file for ${TARGET}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${G_IR_SCANNER_BIN}"
ARGS
"--quiet"
"--warn-all"
"--namespace=${_NAMESPACE}"
"--nsversion=${_VERSION}"
"--library=$<TARGET_FILE_BASE_NAME:${TARGET}>"
"--library-path=$<TARGET_FILE_DIR:${TARGET}>"
"$<LIST:TRANSFORM,$<TARGET_PROPERTY:${TARGET},INTERFACE_INCLUDE_DIRECTORIES>,PREPEND,-I>"
"$<LIST:TRANSFORM,$<LIST:TRANSFORM,${_DEPENDENCIES},TOLOWER>,PREPEND,--pkg=>"
"$<LIST:TRANSFORM,${_DEPENDENCIES},PREPEND,--include=>"
"--output=${_OUTPUT_FILE}.gir"
${_SOURCES}
COMMAND "${G_IR_COMPILER_BIN}"
"--output=${_OUTPUT_FILE}.typelib"
"${_OUTPUT_FILE}.gir"
COMMAND_EXPAND_LISTS
VERBATIM
)
set(${_NAMESPACE}_GIR_FILE "${_OUTPUT_FILE}.gir" PARENT_SCOPE)
set(${_NAMESPACE}_TYPELIB_FILE "${_OUTPUT_FILE}.typelib" PARENT_SCOPE)
endfunction()
function(glib_add_resources TARGET)
set(SINGLE_VALUE_ARGS "NAME" "PREFIX" "WORKING_DIRECTORY")
set(MULTI_VALUE_ARGS "CSS_FILES" "XML_FILES")
cmake_parse_arguments(
PARSE_ARGV 1
""
"${OPTIONS}"
"${SINGLE_VALUE_ARGS}"
"${MULTI_VALUE_ARGS}"
)
# Sanity Checks
if(NOT TARGET "${TARGET}")
message(FATAL_ERROR "Glib: Target '${TARGET}' does not exist")
endif()
if(NOT _NAME)
set(_NAME "${TARGET}")
endif()
if(NOT _PREFIX)
message(FATAL_ERROR "Glib: Resource prefix not defined")
endif()
if(NOT _WORKING_DIRECTORY)
set(_WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
# File Names
set(GLIB_RESOURCE_C_FILE "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}.gresource.c")
set(GLIB_RESOURCE_MANIFEST "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}.gresource.xml")
# Manifest File
foreach(XML_FILE IN LISTS _XML_FILES)
string(APPEND GLIB_RESOURCE_FILES " <file compressed=\"true\" preprocess=\"xml-stripblanks\">${XML_FILE}</file>\n")
endforeach()
foreach(CSS_FILE IN LISTS _CSS_FILES)
string(APPEND GLIB_RESOURCE_FILES " <file compressed=\"true\">${CSS_FILE}</file>\n")
endforeach()
string(STRIP "${GLIB_RESOURCE_FILES}" GLIB_RESOURCE_FILES)
set(GLIB_RESOURCE_PREFIX "${_PREFIX}")
configure_file("${CMAKE_CURRENT_FUNCTION_LIST_DIR}/Glib.resources.in"
"${GLIB_RESOURCE_MANIFEST}"
)
# Source Generation
foreach(FILE IN LISTS _CSS_FILES _XML_FILES)
list(APPEND _DEPS "${_WORKING_DIRECTORY}/${FILE}")
endforeach()
add_custom_command(OUTPUT "${GLIB_RESOURCE_C_FILE}"
WORKING_DIRECTORY "${_WORKING_DIRECTORY}"
COMMAND "${GLIB_COMPILE_RESOURCES}"
ARGS
"--target=${GLIB_RESOURCE_C_FILE}"
"--generate-source"
"--internal"
"${GLIB_RESOURCE_MANIFEST}"
VERBATIM
MAIN_DEPENDENCY "${GLIB_RESOURCE_MANIFEST}"
DEPENDS
${_DEPS}
)
# Target Inclusion
target_sources("${TARGET}" PRIVATE
"${GLIB_RESOURCE_C_FILE}"
)
endfunction()
function(glib_add_schemas TARGET)
set(SINGLE_VALUE_ARGS "SCHEMA_DIR")
cmake_parse_arguments(
PARSE_ARGV 1
""
"${OPTIONS}"
"${SINGLE_VALUE_ARGS}"
"${MULTI_VALUE_ARGS}"
)
if(NOT TARGET "${TARGET}")
message(FATAL_ERROR "Glib: Target '${TARGET}' does not exist")
endif()
if(NOT IS_ABSOLUTE "${_SCHEMA_DIR}")
get_filename_component(_SCHEMA_DIR "${_SCHEMA_DIR}" REALPATH)
endif()
if(NOT IS_DIRECTORY "${_SCHEMA_DIR}")
message(FATAL_ERROR "Glib: Directory '${_SCHEMA_DIR}' does not exists")
endif()
file(GLOB SCHAMA_FILES CONFIGURE_DEPENDS "${_SCHEMA_DIR}/*.gschema.xml")
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/glib-2.0/schemas/gschemas.compiled"
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND "${GLIB_COMPILE_SCHEMAS_BIN}"
ARGS
"--targetdir=${CMAKE_CURRENT_BINARY_DIR}/glib-2.0/schemas"
"--strict"
"${_SCHEMA_DIR}"
VERBATIM
COMMENT "Compiling gsettings schemas"
DEPENDS
${SCHEMA_FILES}
)
add_custom_target("${TARGET}_schemas" DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/glib-2.0/schemas/gschemas.compiled")
add_dependencies("${TARGET}" "${TARGET}_schemas")
endfunction()
function(glib_wrap_enums TARGET)
set(SINGLE_VALUE_ARGS
"HEADER_TEMPLATE"
"OUTPUT_NAME"
"SOURCE_TEMPLATE"
)
set(MULTI_VALUE_ARGS "HEADERS")
cmake_parse_arguments(
PARSE_ARGV 1
""
"${OPTIONS}"
"${SINGLE_VALUE_ARGS}"
"${MULTI_VALUE_ARGS}"
)
if(NOT TARGET "${TARGET}")
message(FATAL_ERROR "Glib: Target '${TARGET}' does not exist")
endif()
if(NOT _HEADERS)
message(FATAL_ERROR "Glib: No headers to be parsed were specified")
endif()
if(NOT _HEADER_TEMPLATE)
message(STATUS "Glib: no header template was provided, skipping header generation")
set(_SKIP_HEADER YES)
endif()
if(NOT _SOURCE_TEMPLATE)
message(STATUS "Glib: no source template was provided, skipping header generation")
set(_SKIP_SOURCE YES)
endif()
if(NOT _OUTPUT_NAME)
message(FATAL_ERROR "Glib: No output name was specified")
endif()
if(_SKIP_HEADER AND _SKIP_SOURCE)
message(AUTHOR_WARNING "Glib: No templates were specified, skipping all generation")
return()
endif()
set(SOURCE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/src/${_OUTPUT_NAME}.c")
set(HEADER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/src/${_OUTPUT_NAME}.h")
if(NOT _SKIP_HEADER)
add_custom_command(OUTPUT
${HEADER_FILE}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${GLIB_MKENUMS_BIN}"
ARGS
"--template=${_HEADER_TEMPLATE}"
"--output=${HEADER_FILE}"
${_HEADERS}
VERBATIM
COMMENT "Generating enum interface header"
DEPENDS
${_HEADERS}
${_HEADER_TEMPLATE}
)
endif()
if(NOT _SKIP_SOURCE)
add_custom_command(OUTPUT
${SOURCE_FILE}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${GLIB_MKENUMS_BIN}"
ARGS
"--template=${_SOURCE_TEMPLATE}"
"--output=${SOURCE_FILE}"
${_HEADERS}
VERBATIM
COMMENT "Generating enum interface source"
DEPENDS
${_HEADERS}
${_SOURCE_TEMPLATE}
)
endif()
target_sources("${TARGET}" PRIVATE
"${SOURCE_FILE}"
)
if(NOT _SKIP_HEADER)
target_sources("${TARGET}" PUBLIC
FILE_SET HEADERS
FILES
"${HEADER_FILE}"
)
endif()
endfunction()
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