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# 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(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})
string(SUBSTRING ${source} 0 1 init_char)
string(COMPARE EQUAL ${init_char} "/" is_absolute)
if (${is_absolute})
set(file "${source}")
else()
set(file "${CMAKE_CURRENT_SOURCE_DIR}/${source}")
endif()
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})
string(SUBSTRING ${source} 0 1 init_char)
string(COMPARE EQUAL ${init_char} "/" is_absolute)
if (${is_absolute})
set(file "${source}")
else()
set(file "${source_dir}/${source}")
endif()
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 ${PROJECT_BINARY_DIR}/${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 ${PROJECT_BINARY_DIR}/${domain}.c.pot
COMMAND xgettext ${xgettext_params} -k_ -kN_
--keyword=P_:1,2
-o ${PROJECT_BINARY_DIR}/${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.
add_custom_command (OUTPUT ${PROJECT_BINARY_DIR}/${domain}.pot
BYPRODUCTS ${PROJECT_BINARY_DIR}/${domain}.pot-tmp
COMMAND msgcomm --more-than=0 --sort-by-file
${sh_pot}
${PROJECT_BINARY_DIR}/${domain}.c.pot
--output=${PROJECT_BINARY_DIR}/${domain}.pot
COMMAND msgcomm --more-than=0 --omit-header --sort-by-file
${sh_pot}
${PROJECT_BINARY_DIR}/${domain}.c.pot
--output=${PROJECT_BINARY_DIR}/${domain}.pot-tmp0
COMMAND cmake -E copy_if_different
${PROJECT_BINARY_DIR}/${domain}.pot-tmp0
${PROJECT_BINARY_DIR}/${domain}.pot-tmp
DEPENDS ${sh_pot}
${PROJECT_BINARY_DIR}/${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 ${PROJECT_BINARY_DIR}/${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 ${PROJECT_BINARY_DIR}/locale/${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} ${PROJECT_BINARY_DIR}/${domain}.pot-tmp
DEPENDS ${file} ${PROJECT_BINARY_DIR}/${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 ${PROJECT_BINARY_DIR}/${domain}.pot)
endforeach()
get_filename_component(master_name ${output} NAME_WE)
add_custom_target(nls-${master_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 --update --backup=none ${translation} ${output}
DEPENDS nls-${master_name}
)
add_dependencies(update-po update-po-${langcode})
endforeach()
add_dependencies(update-po nls-${master_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()
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