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TagFile: Fix off-by-one errors in comment stripping
[apt.git] / CMake / Translations.cmake
diff --git a/CMake/Translations.cmake b/CMake/Translations.cmake
index 1b9781d697a8c1097e6c9c550ede19942eff93d4..79f2633a79534ef001484dd5ba3b8c9a96e8d55f 100644 (file)
--- a/CMake/Translations.cmake
+++ b/CMake/Translations.cmake
@@ -4,23 +4,25 @@
 function(apt_add_translation_domain)
     set(options)
     set(oneValueArgs DOMAIN)
 function(apt_add_translation_domain)
     set(options)
     set(oneValueArgs DOMAIN)
-    set(multiValueArgs TARGETS SCRIPTS)
+    set(multiValueArgs TARGETS SCRIPTS EXCLUDE_LANGUAGES)
     cmake_parse_arguments(NLS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
     # Build the list of source files of the target
     set(files "")
     set(abs_files "")
     set(scripts "")
     set(abs_scripts "")
     cmake_parse_arguments(NLS "${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(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})
     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}/${source}")
-            endif()
+            path_join(file "${CMAKE_CURRENT_SOURCE_DIR}" "${source}")
             file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
             list(APPEND scripts ${relfile})
             list(APPEND abs_scripts ${file})
             file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
             list(APPEND scripts ${relfile})
             list(APPEND abs_scripts ${file})
@@ -29,13 +31,7 @@ function(apt_add_translation_domain)
         get_target_property(source_dir ${target} SOURCE_DIR)
         get_target_property(sources ${target} SOURCES)
         foreach(source ${sources})
         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}/${source}")
-            endif()
+            path_join(file "${source_dir}" "${source}")
             file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
             set(files ${files} ${relfile})
             set(abs_files ${abs_files} ${file})
             file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
             set(files ${files} ${relfile})
             set(abs_files ${abs_files} ${file})
@@ -47,46 +43,71 @@ function(apt_add_translation_domain)
     if("${scripts}" STREQUAL "")
         set(sh_pot "/dev/null")
     else()
     if("${scripts}" STREQUAL "")
         set(sh_pot "/dev/null")
     else()
-        set(sh_pot ${PROJECT_BINARY_DIR}/${domain}.sh.pot)
+        set(sh_pot ${CMAKE_CURRENT_BINARY_DIR}/${domain}.sh.pot)
         # Create the template for this specific sub-domain
         add_custom_command (OUTPUT ${sh_pot}
         # Create the template for this specific sub-domain
         add_custom_command (OUTPUT ${sh_pot}
-            COMMAND xgettext --add-comments --foreign -L Shell
+            COMMAND xgettext ${xgettext_params} -L Shell
                              -o ${sh_pot} ${scripts}
             DEPENDS ${abs_scripts}
                              -o ${sh_pot} ${scripts}
             DEPENDS ${abs_scripts}
+            VERBATIM
             WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
         )
     endif()
 
 
             WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
         )
     endif()
 
 
-    add_custom_command (OUTPUT ${PROJECT_BINARY_DIR}/${domain}.c.pot
-        COMMAND xgettext --add-comments --foreign -k_ -kN_
+    add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
+        COMMAND xgettext ${xgettext_params} -k_ -kN_
                          --keyword=P_:1,2
                          --keyword=P_:1,2
-                         -o ${PROJECT_BINARY_DIR}/${domain}.c.pot ${files}
+                         -o ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot ${files}
         DEPENDS ${abs_files}
         DEPENDS ${abs_files}
+        VERBATIM
         WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     )
 
         WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     )
 
-    add_custom_command (OUTPUT ${PROJECT_BINARY_DIR}/${domain}.pot
+    # 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}
         COMMAND msgcomm --more-than=0 --sort-by-file
                          ${sh_pot}
-                         ${PROJECT_BINARY_DIR}/${domain}.c.pot
-                         --output=${PROJECT_BINARY_DIR}/${domain}.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}
         DEPENDS ${sh_pot}
-                ${PROJECT_BINARY_DIR}/${domain}.c.pot
+                ${CMAKE_CURRENT_BINARY_DIR}/${domain}.c.pot
         WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     )
 
         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 ${file} NAME_WE)
     # Build .mo files
     file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
     list(SORT translations)
     foreach(file ${translations})
         get_filename_component(langcode ${file} NAME_WE)
-        set(outdir ${PROJECT_BINARY_DIR}/locale/${langcode}/LC_MESSAGES)
+        if ("${langcode}" IN_LIST NLS_EXCLUDE_LANGUAGES)
+            continue()
+        endif()
+        set(outdir ${CMAKE_CURRENT_BINARY_DIR}/locale/${langcode}/LC_MESSAGES)
         file(MAKE_DIRECTORY ${outdir})
         file(MAKE_DIRECTORY ${outdir})
-        # Command to merge and compile the messages
+        # 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
         add_custom_command(OUTPUT ${outdir}/${domain}.po
-            COMMAND msgmerge -qo ${outdir}/${domain}.po ${file} ${PROJECT_BINARY_DIR}/${domain}.pot
-            DEPENDS ${file} ${PROJECT_BINARY_DIR}/${domain}.pot
+            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
         )
         add_custom_command(OUTPUT ${outdir}/${domain}.mo
             COMMAND msgfmt --statistics -o ${outdir}/${domain}.mo  ${outdir}/${domain}.po
@@ -98,5 +119,64 @@ function(apt_add_translation_domain)
                 DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${langcode}/LC_MESSAGES")
     endforeach(file ${translations})
 
                 DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${langcode}/LC_MESSAGES")
     endforeach(file ${translations})
 
-    add_custom_target(nls-${domain} ALL DEPENDS ${mofiles})
+    add_custom_target(nls-${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(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 --previous --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()
 endfunction()
APT (for Cydia)