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-rw-r--r--CMake/Translations.cmake185
1 files changed, 185 insertions, 0 deletions
diff --git a/CMake/Translations.cmake b/CMake/Translations.cmake
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+++ b/CMake/Translations.cmake
@@ -0,0 +1,185 @@
+# translations.cmake - Translations using APT's translation system.
+# Copyright (C) 2009, 2016 Julian Andres Klode <jak@debian.org>
+
+function(apt_add_translation_domain)
+ set(options)
+ set(oneValueArgs DOMAIN)
+ set(multiValueArgs TARGETS SCRIPTS EXCLUDE_LANGUAGES)
+ cmake_parse_arguments(NLS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+ # Build the list of source files of the target
+ set(files "")
+ set(abs_files "")
+ set(scripts "")
+ set(abs_scripts "")
+ set(mofiles)
+ set(targets ${NLS_TARGETS})
+ set(domain ${NLS_DOMAIN})
+ set(xgettext_params
+ --add-comments
+ --foreign
+ --package-name=${PROJECT_NAME}
+ --package-version=${PACKAGE_VERSION}
+ --msgid-bugs-address=${PACKAGE_MAIL}
+ )
+ foreach(source ${NLS_SCRIPTS})
+ path_join(file "${CMAKE_CURRENT_SOURCE_DIR}" "${source}")
+ file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
+ list(APPEND scripts ${relfile})
+ list(APPEND abs_scripts ${file})
+ endforeach()
+ foreach(target ${targets})
+ get_target_property(source_dir ${target} SOURCE_DIR)
+ get_target_property(sources ${target} SOURCES)
+ foreach(source ${sources})
+ if (source MATCHES TARGET_OBJECTS)
+ continue()
+ endif()
+ path_join(file "${source_dir}" "${source}")
+ file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
+ set(files ${files} ${relfile})
+ set(abs_files ${abs_files} ${file})
+ endforeach()
+
+ target_compile_definitions(${target} PRIVATE -DAPT_DOMAIN="${domain}")
+ endforeach()
+
+ if("${scripts}" STREQUAL "")
+ set(sh_pot "/dev/null")
+ else()
+ set(sh_pot ${CMAKE_CURRENT_BINARY_DIR}/${domain}.sh.pot)
+ # Create the template for this specific sub-domain
+ add_custom_command (OUTPUT ${sh_pot}
+ COMMAND xgettext ${xgettext_params} -L Shell
+ -o ${sh_pot} ${scripts}
+ DEPENDS ${abs_scripts}
+ VERBATIM
+ WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+ )
+ endif()
+
+
+ add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
+ COMMAND xgettext ${xgettext_params} -k_ -kN_
+ --keyword=P_:1,2
+ -o ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot ${files}
+ DEPENDS ${abs_files}
+ VERBATIM
+ WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+ )
+
+ # We are building a ${domain}.pot with a header for launchpad, but we also
+ # build a ${domain.pot}-tmp as a byproduct. The msgfmt command than depend
+ # on the byproduct while their target depends on the output, so that msgfmt
+ # does not have to be rerun if nothing in the template changed.
+ #
+ # Make sure the .pot-tmp has no line numbers, to avoid useless rebuilding
+ # of .mo files.
+ add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot
+ BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp
+ COMMAND msgcomm --more-than=0 --omit-header --sort-by-file --add-location=file
+ ${sh_pot}
+ ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
+ --output=${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp0
+ COMMAND msgcomm --more-than=0 --sort-by-file
+ ${sh_pot}
+ ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
+ --output=${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot
+ COMMAND cmake -E copy_if_different
+ ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp0
+ ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp
+ DEPENDS ${sh_pot}
+ ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
+ WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+ )
+
+ # We need a target to depend on otherwise, the msgmerge might not get called
+ # with the make generator
+ add_custom_target(nls-${domain}-template DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot)
+
+ # Build .mo files
+ file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
+ list(SORT translations)
+ foreach(file ${translations})
+ get_filename_component(langcode ${file} NAME_WE)
+ if ("${langcode}" IN_LIST NLS_EXCLUDE_LANGUAGES)
+ continue()
+ endif()
+ set(outdir ${CMAKE_CURRENT_BINARY_DIR}/locale/${langcode}/LC_MESSAGES)
+ file(MAKE_DIRECTORY ${outdir})
+ # Command to merge and compile the messages. As explained in the custom
+ # command for msgcomm, this depends on byproduct to avoid reruns
+ add_custom_command(OUTPUT ${outdir}/${domain}.po
+ COMMAND msgmerge -qo ${outdir}/${domain}.po ${file} ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp
+ DEPENDS ${file} ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot-tmp
+ )
+ add_custom_command(OUTPUT ${outdir}/${domain}.mo
+ COMMAND msgfmt --statistics -o ${outdir}/${domain}.mo ${outdir}/${domain}.po
+ DEPENDS ${outdir}/${domain}.po
+ )
+
+ set(mofiles ${mofiles} ${outdir}/${domain}.mo)
+ install(FILES ${outdir}/${domain}.mo
+ DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${langcode}/LC_MESSAGES")
+ endforeach(file ${translations})
+
+ add_custom_target(nls-${domain} ALL DEPENDS ${mofiles} nls-${domain}-template)
+endfunction()
+
+# Usage: apt_add_update_po(output domain [domain ...])
+function(apt_add_update_po)
+ set(options)
+ set(oneValueArgs TEMPLATE)
+ set(multiValueArgs DOMAINS EXCLUDE_LANGUAGES)
+ cmake_parse_arguments(NLS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+ set(output ${CMAKE_CURRENT_SOURCE_DIR}/${NLS_TEMPLATE}.pot)
+ foreach(domain ${NLS_DOMAINS})
+ list(APPEND potfiles ${CMAKE_CURRENT_BINARY_DIR}/${domain}.pot)
+ endforeach()
+
+ get_filename_component(primary_name ${output} NAME_WE)
+ add_custom_target(nls-${primary_name}
+ COMMAND msgcomm --sort-by-file --add-location=file
+ --more-than=0 --output=${output}
+ ${potfiles}
+ DEPENDS ${potfiles})
+
+ file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
+ if (NOT TARGET update-po)
+ add_custom_target(update-po)
+ endif()
+ foreach(translation ${translations})
+ get_filename_component(langcode ${translation} NAME_WE)
+ if ("${langcode}" IN_LIST NLS_EXCLUDE_LANGUAGES)
+ continue()
+ endif()
+ add_custom_target(update-po-${langcode}
+ COMMAND msgmerge -q --previous --update --backup=none ${translation} ${output}
+ DEPENDS nls-${primary_name}
+ )
+ add_dependencies(update-po update-po-${langcode})
+ endforeach()
+ add_dependencies(update-po nls-${primary_name})
+endfunction()
+
+function(apt_add_po_statistics excluded)
+ add_custom_target(statistics)
+ file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
+ foreach(translation ${translations})
+ get_filename_component(langcode ${translation} NAME_WE)
+ if ("${langcode}" IN_LIST excluded)
+ add_custom_command(
+ TARGET statistics PRE_BUILD
+ COMMAND printf "%-6s " "${langcode}:"
+ COMMAND echo "ignored"
+ VERBATIM
+ )
+ continue()
+ endif()
+ add_custom_command(
+ TARGET statistics PRE_BUILD
+ COMMAND printf "%-6s " "${langcode}:"
+ COMMAND msgfmt --statistics -o /dev/null ${translation}
+ VERBATIM
+ )
+ endforeach()
+endfunction()