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tde-cmake/modules/TDEL10n.cmake

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#################################################
#
# (C) 2018 Slávek Banko
# slavek (DOT) banko (AT) axis.cz
#
# Improvements and feedback are welcome
#
# This file is released under GPL >= 2
#
#################################################
##### include essential TDE macros ##############
set( MASTER_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" )
include( TDEMacros )
##### verify required programs ##################
if( NOT DEFINED TDE_PREFIX AND IS_DIRECTORY /opt/trinity )
set( TDE_PREFIX "/opt/trinity" )
else( )
set( TDE_PREFIX "/usr" )
endif( )
if( NOT DEFINED KDE_XGETTEXT_EXECUTABLE )
find_program( KDE_XGETTEXT_EXECUTABLE
NAMES kde-xgettext
HINTS "${TDE_PREFIX}/bin"
)
if( NOT KDE_XGETTEXT_EXECUTABLE )
tde_message_fatal( "kde-xgettext is required but not found" )
endif( )
endif( )
if( NOT DEFINED EXTRACTRC_EXECUTABLE )
find_program( EXTRACTRC_EXECUTABLE
NAMES extractrc
HINTS "${TDE_PREFIX}/bin"
)
if( NOT EXTRACTRC_EXECUTABLE )
tde_message_fatal( "extractrc is required but not found" )
endif( )
endif( )
if( NOT DEFINED EXTRACTATTR_EXECUTABLE )
find_program( EXTRACTATTR_EXECUTABLE
NAMES extractattr
HINTS "${TDE_PREFIX}/bin"
)
if( NOT EXTRACTATTR_EXECUTABLE )
tde_message_fatal( "extractattr is required but not found" )
endif( )
endif( )
if( NOT DEFINED XGETTEXT_EXECUTABLE )
find_program( XGETTEXT_EXECUTABLE
NAMES xgettext
HINTS "${TDE_PREFIX}/bin"
)
if( NOT XGETTEXT_EXECUTABLE )
tde_message_fatal( "xgettext is required but not found" )
endif( )
execute_process(
COMMAND ${XGETTEXT_EXECUTABLE} --version
OUTPUT_VARIABLE _xgettext_version
ERROR_VARIABLE _xgettext_version
)
string( REGEX REPLACE "^xgettext[^\n]* ([^ ]*)\n.*" "\\1" _xgettext_version ${_xgettext_version} )
if( "${_xgettext_version}" VERSION_LESS "0.19" )
tde_message_fatal( "xgettext version >= 0.19 is required but found only ${_xgettext_version}" )
endif( )
endif( )
if( NOT DEFINED MSGUNIQ_EXECUTABLE )
find_program( MSGUNIQ_EXECUTABLE
NAMES msguniq
HINTS "${TDE_PREFIX}/bin"
)
if( NOT MSGUNIQ_EXECUTABLE )
tde_message_fatal( "msguniq is required but not found" )
endif( )
endif( )
if( NOT DEFINED MSGCAT_EXECUTABLE )
find_program( MSGCAT_EXECUTABLE
NAMES msgcat
HINTS "${TDE_PREFIX}/bin"
)
if( NOT MSGCAT_EXECUTABLE )
tde_message_fatal( "msgcat is required but not found" )
endif( )
endif( )
#################################################
#####
##### tde_l10n_add_subdirectory
#####
##### The function simulates the add_subdirectory() behavior, but
##### the CMakeL10n.txt file is used instead of CMakeLists.txt.
#####
function( tde_l10n_add_subdirectory _dir )
set( CMAKE_CURRENT_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${_dir}" )
set( CMAKE_CURRENT_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/${_dir}" )
include( ${CMAKE_CURRENT_SOURCE_DIR}/CMakeL10n.txt )
endfunction( )
#################################################
#####
##### tde_l10n_auto_add_subdirectories
#####
##### The function is equivalent to tde_auto_add_subdirectories, but
##### the CMakeL10n.txt file is used instead of CMakeLists.txt.
#####
function( tde_l10n_auto_add_subdirectories )
file( GLOB _dirs RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "${CMAKE_CURRENT_SOURCE_DIR}/*" )
foreach( _dir ${_dirs} )
if( IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}
AND NOT ${_dir} STREQUAL ".svn"
AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/CMakeL10n.txt )
tde_l10n_add_subdirectory( ${_dir} )
endif( )
endforeach( )
endfunction( )
#################################################
#####
##### tde_l10n_create_template
#####
##### Macro is used to generate a translation template - POT file.
#####
##### Syntax:
##### tde_l10n_create_template(
##### [CATALOG] file_name
##### [SOURCES source_spec [source_spec]]
##### [EXCLUDES regex [regex]]
##### [KEYWORDS keyword [keyword]]
##### [ATTRIBUTES attrib_spec [attrib_spec]]
##### [DESTINATION directory]
##### )
#####
##### Where:
##### CATALOG determines the target file name (without pot suffix).
##### SOURCES can be specified by several options:
##### a) Do not specify anything
##### - all usual source files will be automatically searched.
##### b) Enter the directory name - for example, '.' or 'src'
##### - all the usual source files in the specified directory
##### and subdirectories will be searched.
##### c) Enter the mask - for example '*.cpp'
##### - all files with the specified mask will be searched.
##### d) Specify the name of the individual file.
##### The methods from b) to d) can be combined.
##### EXCLUDES determines which files are to be excluded from processing
##### KEYWORDS determines additional keywords for xgettext.
##### ATTRIBUTES determines files and specification for extractattr:
##### source_spec:element,attribute[,context]
##### DESTINATION determines directory to save translation template.
##### The destination directory is determined as follows:
##### a) Directory is specified as an argument.
##### b) The variable POT_SOURCE_DIR is set.
##### c) There is a 'translations' directory.
##### d) There is a 'po' directory.
#####
##### Note:
##### Editing the _files list inside foreach( ${_files} ) below in the
##### code is safe, because in CMake foreach parameters are evaluated
##### before the loop starts. Therefore, the changes in the list inside
##### the loop do not have an unwanted impact on the loop processing.
#####
macro( tde_l10n_create_template )
unset( _catalog )
unset( _sources )
unset( _excludes )
unset( _files )
unset( _rcs )
unset( _desktops )
unset( _pots )
unset( _dest )
unset( _keywords )
unset( _attributes )
unset( _pot )
unset( _directive )
set( _var _catalog )
foreach( _arg ${ARGN} )
# found directive "CATALOG"
if( "+${_arg}" STREQUAL "+CATALOG" )
unset( _catalog )
set( _var _catalog )
set( _directive 1 )
endif( )
# found directive "SOURCES"
if( "+${_arg}" STREQUAL "+SOURCES" )
unset( _sources )
set( _var _sources )
set( _directive 1 )
endif( )
# found directive "EXCLUDES"
if( "+${_arg}" STREQUAL "+EXCLUDES" )
unset( _excludes )
set( _var _excludes )
set( _directive 1 )
endif( )
# found directive "DESTINATION"
if( "+${_arg}" STREQUAL "+DESTINATION" )
unset( _dest )
set( _var _dest )
set( _directive 1 )
endif( )
# found directive "KEYWORDS"
if( "+${_arg}" STREQUAL "+KEYWORDS" )
unset( _keywords )
set( _var _keywords )
set( _directive 1 )
endif( )
# found directive "ATTRIBUTES"
if( "+${_arg}" STREQUAL "+ATTRIBUTES" )
unset( _attributes )
set( _var _attributes )
set( _directive 1 )
endif( )
# collect data
if( _directive )
unset( _directive )
elseif( _var )
list( APPEND ${_var} ${_arg} )
endif( )
endforeach( )
# verify catalog
if( NOT _catalog )
tde_message_fatal( "the name of the translation catalog is not defined" )
endif( )
# determine the destination directory
if( NOT _dest )
if( POT_SOURCE_DIR )
set( _dest ${POT_SOURCE_DIR} )
elseif( EXISTS "${MASTER_SOURCE_DIR}/translations" )
set( _dest "${MASTER_SOURCE_DIR}/translations/" )
elseif( EXISTS "${MASTER_SOURCE_DIR}/po" )
set( _dest "${MASTER_SOURCE_DIR}/po/" )
else( )
tde_message_fatal( "cannot determine destination directory" )
endif( )
endif( )
if( ${_dest} MATCHES "[^/]$" )
set( _dest "${_dest}/" )
endif( )
if( ${_dest} MATCHES "^[^/]" )
set( _dest "${CMAKE_CURRENT_SOURCE_DIR}/${_dest}" )
endif( )
get_filename_component( _potFilename "${_dest}${_catalog}.pot" ABSOLUTE )
file( RELATIVE_PATH _potFilename ${CMAKE_SOURCE_DIR} ${_potFilename} )
message( STATUS "Create translation template ${_potFilename}" )
# verify sources
if( NOT _sources AND NOT _attributes )
# add current directory
list( APPEND _sources "." )
endif( )
foreach( _src ${_sources} )
# add all source files from directory
if( IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${_src} )
if( ${_src} STREQUAL "." )
set( _dir "${CMAKE_CURRENT_SOURCE_DIR}" )
else( )
set( _dir "${CMAKE_CURRENT_SOURCE_DIR}/${_src}" )
endif( )
file( GLOB_RECURSE _add_files
RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
${_dir}/*.c
${_dir}/*.cc
${_dir}/*.cpp
${_dir}/*.h
${_dir}/*.kcfg
${_dir}/*.rc
${_dir}/*.ui
)
list( SORT _add_files )
list( APPEND _files ${_add_files} )
# add files by the specified mask
elseif( ${_src} MATCHES "(\\*|\\?)" )
file( GLOB_RECURSE _add_files
RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${_src}
)
list( SORT _add_files )
list( APPEND _files ${_add_files} )
# add a individual file
elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_src} )
list( APPEND _files ${_src} )
endif( )
endforeach( )
# add common translator info
if( _files )
set( _translatorinfo
"i18n(\"NAME OF TRANSLATORS\", \"Your names\")\n"
"i18n(\"EMAIL OF TRANSLATORS\", \"Your emails\")\n"
)
file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/_translatorinfo.tde_l10n ${_translatorinfo} )
list( INSERT _files 0 "_translatorinfo.tde_l10n" )
endif( )
# filter files by excludes
if( _excludes )
foreach( _src ${_files} )
foreach( _exclude ${_excludes} )
if( ${_src} MATCHES ${_exclude} )
list( REMOVE_ITEM _files ${_src} )
endif( )
endforeach( )
endforeach( )
endif( )
if( NOT _files AND NOT _attributes )
tde_message_fatal( "no source files found" )
endif( )
# prepare additional keywords
unset( _add_keywords )
foreach( _keyword ${_keywords} )
list( APPEND _add_keywords "-k${_keyword}" )
endforeach( )
# pick resource files *.kcfg, *.rc and *.ui
foreach( _src ${_files} )
if( ${_src} MATCHES "\\.(kcfg|rc|ui)(\\.cmake)?(\\.tde_l10n)?$" )
list( APPEND _rcs ${_src} )
list( REMOVE_ITEM _files ${_src} )
endif( )
endforeach( )
# prepare extracted-rc.tde_l10n
if( _rcs OR _attributes )
file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-rc.tde_l10n "" )
list( APPEND _files extracted-rc.tde_l10n )
endif( )
# process resource files
if( _rcs )
execute_process(
COMMAND ${EXTRACTRC_EXECUTABLE} ${_rcs}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _sources_rc
)
file( APPEND ${CMAKE_CURRENT_SOURCE_DIR}/extracted-rc.tde_l10n "${_sources_rc}" )
endif( )
# extract attributes
if( _attributes )
foreach( _attrib ${_attributes} )
if( ${_attrib} MATCHES "^([^:]+):(.+)$" )
string( REGEX REPLACE "^([^:]+):(.+)$" "\\1" _attrib_glob ${_attrib} )
string( REGEX REPLACE "^([^:]+):(.+)$" "\\2" _attrib_spec ${_attrib} )
file( GLOB_RECURSE _attrib_files
RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${_attrib_glob}
)
if( _attrib_files )
list( SORT _attrib_files )
execute_process(
COMMAND ${EXTRACTATTR_EXECUTABLE}
--attr=${_attrib_spec} ${_attrib_files}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _attrib_rc
)
file( APPEND ${CMAKE_CURRENT_SOURCE_DIR}/extracted-rc.tde_l10n "${_attrib_rc}" )
endif( )
endif( )
endforeach( )
endif( )
# prepare tips
foreach( _src ${_files} )
if( ${_src} MATCHES "(^|/)tips$" )
tde_l10n_preparetips( ${_src} )
list( REMOVE_ITEM _files ${_src} )
list( APPEND _files "${_src}.tde_l10n" )
endif( )
endforeach( )
# pick desktop files *.desktop and *.protocol
foreach( _src ${_files} )
if( ${_src} MATCHES "\\.(desktop|protocol)(\\.cmake)?(\\.tde_l10n)?$" )
list( APPEND _desktops ${_src} )
list( REMOVE_ITEM _files ${_src} )
endif( )
endforeach( )
# pick pot files *.pot
foreach( _src ${_files} )
if( ${_src} MATCHES "\\.pot(\\.cmake)?(\\.tde_l10n)?$" )
list( APPEND _pots ${_src} )
list( REMOVE_ITEM _files ${_src} )
endif( )
endforeach( )
# create translation template
if( _files )
execute_process(
COMMAND ${KDE_XGETTEXT_EXECUTABLE} --foreign-user -C
-ki18n -ki18n:1,2 -ktr2i18n -ktr2i18n:1,2
-kI18N_NOOP -kI18N_NOOP2 ${_add_keywords}
-o - ${_files}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _pot
)
# set charset and encoding headers
if( _pot )
string( REPLACE "Content-Type: text/plain; charset=CHARSET" "Content-Type: text/plain; charset=UTF-8" _pot "${_pot}" )
string( REPLACE "Content-Transfer-Encoding: ENCODING" "Content-Transfer-Encoding: 8bit" _pot "${_pot}" )
endif( )
endif( )
# process desktop files
if( _desktops )
# create translation template for desktop files
if( _pot )
set( _withPotHeader "--omit-header" )
else( )
set( _withPotHeader "--foreign-user" )
endif( )
execute_process(
COMMAND ${XGETTEXT_EXECUTABLE} ${_withPotHeader} -L Desktop
-kDescription -kExtraNames -kX-TDE-Submenu ${_add_keywords}
-o - ${_desktops}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _potDesktop
)
# merge translation templates
if( _potDesktop )
if( _pot )
file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp "${_pot}" )
file( APPEND ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp "${_potDesktop}" )
execute_process(
COMMAND ${MSGUNIQ_EXECUTABLE} --use-first
INPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _pot
)
file( REMOVE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp )
else( )
set( _pot "${_potDesktop}" )
# set charset and encoding headers
string( REPLACE "Content-Type: text/plain; charset=CHARSET" "Content-Type: text/plain; charset=UTF-8" _pot "${_pot}" )
string( REPLACE "Content-Transfer-Encoding: ENCODING" "Content-Transfer-Encoding: 8bit" _pot "${_pot}" )
endif( )
endif( )
endif( )
# merge additional pot files
if( _pots )
file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp "${_pot}" )
execute_process(
COMMAND ${MSGCAT_EXECUTABLE} --use-first extracted-pot.tmp ${_pots}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE _pot
)
file( REMOVE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp )
# set charset and encoding headers
string( REPLACE "Content-Type: text/plain; charset=CHARSET" "Content-Type: text/plain; charset=UTF-8" _pot "${_pot}" )
string( REPLACE "Content-Transfer-Encoding: ENCODING" "Content-Transfer-Encoding: 8bit" _pot "${_pot}" )
endif( )
# finalize translation template
if( _pot )
# update references for resources to original files and line numbers
if( _rcs OR _attributes )
file( READ "${CMAKE_CURRENT_SOURCE_DIR}/extracted-rc.tde_l10n" _extractedRC )
string( REGEX REPLACE "[^\n]" "" _extractedRC_len "${_extractedRC}" )
string( LENGTH "+${_extractedRC_len}" _extractedRC_len )
set( _rcPos 0 )
while( _rcPos LESS ${_extractedRC_len} )
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\1" _rcLine "${_extractedRC}" )
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\2" _extractedRC "${_extractedRC}" )
math( EXPR _rcPos "${_rcPos}+1" )
if( "${_rcLine}" MATCHES "^//i18n: file .* line [0-9]*$" )
string( REGEX REPLACE "^//i18n: file (.*) line ([0-9]*)$" "\\1:\\2" _rcOrig ${_rcLine} )
endif( )
if( "${_rcLine}" MATCHES "^i18n\\(" AND _rcOrig )
string( REGEX REPLACE "(^|\n)(#:.*) extracted-rc.tde_l10n:${_rcPos}( |\n)" "\\1\\2 ${_rcOrig}\\3" _pot "${_pot}" )
unset( _rcOrig )
endif( )
endwhile( )
endif( )
# update references for modified source files (".tde_l10n" extension)
string( REGEX REPLACE "\\.tde_l10n(:[0-9]+)" "\\1" _pot "${_pot}" )
# save translation template
if( EXISTS "${_dest}${_catalog}.pot" )
file( READ "${_dest}${_catalog}.pot" _potOrig )
else( )
unset( _potOrig )
endif( )
if( _potOrig )
string( REGEX REPLACE "\n\"POT-Creation-Date: [^\"]*\"\n" "" _potOrig "${_potOrig}" )
string( REGEX REPLACE "\n\"POT-Creation-Date: [^\"]*\"\n" "" _potNew "${_pot}" )
endif( )
if( NOT _potOrig OR NOT "${_potNew}" STREQUAL "${_potOrig}" )
file( WRITE "${_dest}${_catalog}.pot" "${_pot}" )
endif( )
endif( _pot )
# cleanup
foreach( _file ${_files} ${_rcs} ${_desktops} )
if( "${_file}" MATCHES "\\.tde_l10n$" )
file( REMOVE ${CMAKE_CURRENT_SOURCE_DIR}/${_file} )
endif( )
endforeach( )
endmacro( )
#################################################
#####
##### tde_l10n_preparetips
#####
##### Macro is used to prepare tips file for xgettext
#####
macro( tde_l10n_preparetips _tips )
if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_tips} )
file( READ ${CMAKE_CURRENT_SOURCE_DIR}/${_tips} _tips_html )
string( REGEX REPLACE "[^\n]" "" _tips_len ${_tips_html} )
string( LENGTH "+${_tips_len}" _tips_len )
unset( _tips_inside )
unset( _tips_l10n )
set( _tips_pos 0 )
while( _tips_pos LESS ${_tips_len} )
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\1" _tips_line "${_tips_html}" )
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\2" _tips_html "${_tips_html}" )
math( EXPR _tips_pos "${_tips_pos}+1" )
string( REGEX REPLACE "\\\\" "\\\\\\\\" _tips_line "${_tips_line}" )
string( REGEX REPLACE "\\\"" "\\\\\"" _tips_line "${_tips_line}" )
if( NOT _tips_inside )
if( "${_tips_line}" MATCHES "<html>" )
set( _tips_inside 1 )
string( REGEX REPLACE ".*<html>" "" _tips_line "${_tips_line}" )
string( REGEX REPLACE "(.+)" "\"\\1\\\\n\"" _tips_line "${_tips_line}" )
set( _tips_line "i18n(${_tips_line}" )
else( )
set( _tips_line "" )
endif( )
else( )
if( "${_tips_line}" MATCHES "</html>" )
unset( _tips_inside )
string( REGEX REPLACE "</html>.*" "" _tips_line "${_tips_line}" )
string( REGEX REPLACE "(.+)" "\"\\1\\\\n\"" _tips_line "${_tips_line}" )
set( _tips_line "${_tips_line});" )
else( )
set( _tips_line "\"${_tips_line}\\n\"" )
endif( )
endif( )
set( _tips_l10n "${_tips_l10n}${_tips_line}\n" )
endwhile( )
file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/${_tips}.tde_l10n "${_tips_l10n}" )
endif( )
endmacro( )
#################################################
#####
##### tde_l10n_prepare_xml
#####
##### The function is used to prepare XML file for xgettext.
##### The default settings are identical to extractrc.
#####
function( tde_l10n_prepare_xml )
unset( _source )
unset( _target )
unset( _context )
set( _tags "[tT][eE][xX][tT]|title|string|whatsthis|tooltip|label" )
set( _preserve "line-wrap" "lines-leading" "spaces-leading" "spaces-trailing" "spaces-multi" )
set( _no_c_format 1 )
unset( _directive )
set( _var _source )
foreach( _arg ${ARGN} )
# found directive "SOURCE"
if( "+${_arg}" STREQUAL "+SOURCE" )
unset( _source )
set( _var _source )
set( _directive 1 )
endif( )
# found directive "TARGET"
if( "+${_arg}" STREQUAL "+TARGET" )
unset( _target )
set( _var _target )
set( _directive 1 )
endif( )
# found directive "CONTEXT"
if( "+${_arg}" STREQUAL "+CONTEXT" )
unset( _context )
set( _var _context )
set( _directive 1 )
endif( )
# found directive "TAGS"
if( "+${_arg}" STREQUAL "+TAGS" )
unset( _tags )
set( _var _tags )
set( _directive 1 )
endif( )
# found directive "PRESERVE"
if( "+${_arg}" STREQUAL "+PRESERVE" )
unset( _preserve )
set( _var _preserve )
set( _directive 1 )
endif( )
# found directive "C_FORMAT"
if( "+${_arg}" STREQUAL "+C_FORMAT" )
unset( _no_c_format )
set( _directive 1 )
endif( )
# found directive "NO_C_FORMAT"
if( "+${_arg}" STREQUAL "+NO_C_FORMAT" )
set( _no_c_format 1 )
set( _directive 1 )
endif( )
# collect data
if( _directive )
unset( _directive )
elseif( _var )
list( APPEND ${_var} ${_arg} )
endif( )
endforeach( )
# verify source
if( NOT _source )
tde_message_fatal( "no source XML file" )
endif( )
if( NOT "${_source}" MATCHES "^/" )
set( _source "${CMAKE_CURRENT_SOURCE_DIR}/${_source}" )
endif( )
if( NOT _target )
set( _target "${_source}.tde_l10n" )
endif( )
if( NOT "${_target}" MATCHES "^/" )
set( _target "${CMAKE_CURRENT_SOURCE_DIR}/${_target}" )
endif( )
# prepare tags to regexp
string( REPLACE ";" "|" _tags "${_tags}" )
# read file
file( READ ${_source} _xml_data )
string( REGEX REPLACE "[^\n]" "" _xml_len ${_xml_data} )
string( LENGTH "+${_xml_len}" _xml_len )
# process lines
set( _xml_pos 0 )
unset( _xml_l10n )
unset( _xml_inside )
unset( _xml_tag_empty )
while( _xml_pos LESS ${_xml_len} )
# pick line
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\1" _xml_line "${_xml_data}" )
string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\2" _xml_data "${_xml_data}" )
math( EXPR _xml_pos "${_xml_pos}+1" )
set( _xml_newline 1 )
# process tags on line
while( _xml_newline OR NOT "${_xml_line}" STREQUAL "" )
unset( _xml_newline )
unset( _xml_line_prefix )
unset( _xml_line_suffix )
unset( _xml_line_rest )
if( NOT _xml_inside )
if( "${_xml_line}" MATCHES "<(${_tags})[^>]*>" )
set( _xml_inside 1 )
set( _xml_context "${_context}" )
string( REGEX MATCH "<(${_tags})[^>]*>(.*)" _xml_line "${_xml_line}" )
string( REGEX MATCH "^<(${_tags})( [^>]*)+>" _xml_attr "${_xml_line}" )
if( _xml_attr AND "${_xml_attr}" MATCHES " context=\"([^\"]*)\"" )
string( REGEX REPLACE ".* context=\"([^\"]*)\".*" "\\1" _xml_context "${_xml_attr}" )
endif( )
string( REGEX REPLACE "^<(${_tags})[^>]*>(.*)" "\\2" _xml_line "${_xml_line}" )
set( _xml_line_prefix "i18n(" )
if( _no_c_format )
set( _xml_line_prefix "${_xml_line_prefix}/* xgettext: no-c-format */" )
endif( )
if( _xml_context )
set( _xml_line_prefix "${_xml_line_prefix}\"${_xml_context}\", " )
endif( )
set( _xml_tag_empty 1 )
else( )
set( _xml_line "" )
endif( )
endif( )
if( _xml_inside )
if( "${_xml_line}" MATCHES "</(${_tags})>" )
unset( _xml_inside )
string( REGEX REPLACE "</(${_tags})>(.*)" "\\2" _xml_line_rest "${_xml_line}" )
string( REGEX REPLACE "</(${_tags})>(.*)" "" _xml_line "${_xml_line}" )
set( _xml_line_suffix ");" )
endif( )
string( REGEX REPLACE "\\\\" "\\\\\\\\" _xml_line "${_xml_line}" )
string( REGEX REPLACE "\\\"" "\\\\\"" _xml_line "${_xml_line}" )
string( REGEX REPLACE "\t" "\\\\t" _xml_line "${_xml_line}" )
if( NOT ";${_preserve};" MATCHES ";entities;" )
string( REGEX REPLACE "&lt;" "<" _xml_line "${_xml_line}" )
string( REGEX REPLACE "&gt;" ">" _xml_line "${_xml_line}" )
string( REGEX REPLACE "&amp;" "&" _xml_line "${_xml_line}" )
endif( )
if( NOT ";${_preserve};" MATCHES ";spaces-leading;" )
string( REGEX REPLACE "^ +" "" _xml_line "${_xml_line}" )
endif( )
if( NOT ";${_preserve};" MATCHES ";spaces-trailing;" )
string( REGEX REPLACE " +$" "" _xml_line "${_xml_line}" )
endif( )
if( NOT ";${_preserve};" MATCHES ";spaces-multi;" )
string( REGEX REPLACE " +" " " _xml_line "${_xml_line}" )
endif( )
if( _xml_inside )
if( ";${_preserve};" MATCHES ";line-wrap;" )
if( ";${_preserve};" MATCHES ";lines-leading;"
OR NOT "${_xml_line}" STREQUAL "" OR NOT _xml_tag_empty )
set( _xml_line "${_xml_line}\\n" )
endif( )
elseif( NOT "${_xml_line}" STREQUAL "" AND NOT _xml_tag_empty )
set( _xml_line " ${_xml_line}" )
endif( )
endif( )
if( NOT "${_xml_line}" STREQUAL "" )
unset( _xml_tag_empty )
endif( )
endif( )
# drop empty tag on single line
if( _xml_line_prefix AND _xml_line_suffix AND _xml_tag_empty )
# skip empty string for translation
# add current tag to output
else( )
set( _xml_l10n "${_xml_l10n}${_xml_line_prefix}" )
if( NOT "${_xml_line}" STREQUAL "" OR ( _xml_line_suffix AND _xml_tag_empty ) )
set( _xml_l10n "${_xml_l10n}\"${_xml_line}\"" )
endif( )
set( _xml_l10n "${_xml_l10n}${_xml_line_suffix}" )
endif( )
# take the rest of the line for processing
set( _xml_line "${_xml_line_rest}" )
endwhile( )
set( _xml_l10n "${_xml_l10n}\n" )
endwhile( )
# write file
file( WRITE ${_target} "${_xml_l10n}" )
endfunction( )
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