Add CMakeL10n rules.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit b97668ea3912b7562afd4e4af132a88e8fd5ab16)

2 files changed, 158 insertions, 0 deletions

diff --git a/kstars/CMakeL10n.txt b/kstars/CMakeL10n.txt
new file mode 100644
index 00000000..b585ce4a
--- /dev/null
+++ b/kstars/CMakeL10n.txt
@@ -0,0 +1,3 @@
+##### create translation templates ##############
+
+tde_l10n_auto_add_subdirectories( )
diff --git a/kstars/kstars/CMakeL10n.txt b/kstars/kstars/CMakeL10n.txt
new file mode 100644
index 00000000..b666e209
--- /dev/null
+++ b/kstars/kstars/CMakeL10n.txt
@@ -0,0 +1,155 @@
+##### prepare strings from data files ###########
+
+message( STATUS "Prepare to extract strings from kstars data files..." )
+
+## extract constellations
+file( READ "${CMAKE_CURRENT_SOURCE_DIR}/data/cnames.dat" _cnames )
+string( REGEX REPLACE " +(\n|\$)" "\\1" _cnames "${_cnames}" )
+string( REGEX REPLACE
+    "(^|\n)[0-9][^ ]* ([^\n]+)"
+    "\\1i18n(\"Constellation name (optional)\", \"\\2\");"
+    _cnames "${_cnames}" )
+file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/data/cnames.dat.tde_l10n" "${_cnames}" )
+
+## extract cities, regions and countries
+file( READ "${CMAKE_CURRENT_SOURCE_DIR}/data/Cities.dat" _cities )
+string( REGEX REPLACE "(^|\n)([^:]*): *([^:]*): *([^:]*):[^\n]*" "\\1\\2:\\3:\\4:" _cities "${_cities}" )
+string( REGEX REPLACE " +:" ":" _cities "${_cities}" )
+string( REGEX REPLACE
+    "([^:]+):([^:]*):([^:]*):(\n|\$)"
+    "i18n(\"City name (optional, probably does not need a translation)\", \"\\1\"):\\2:\\3:\\4"
+    _cities "${_cities}" )
+string( REGEX REPLACE
+    "([^:]*):([^:]+):([^:]*):(\n|\$)"
+    "\\1:i18n(\"Region/state name (optional, rarely needs a translation)\", \"\\2\"):\\3:\\4"
+    _cities "${_cities}" )
+string( REGEX REPLACE
+    "([^:]*):([^:]*):([^:]+):(\n|\$)"
+    "\\1:\\2:i18n(\"Country name (optional, but should be translated)\", \"\\3\"):\\4"
+    _cities "${_cities}" )
+string( REPLACE ":" ";" _cities "${_cities}" )
+file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/data/Cities.dat.tde_l10n" "${_cities}" )
+
+## extract image/info menu items
+file( READ "${CMAKE_CURRENT_SOURCE_DIR}/data/image_url.dat" _image_url )
+string( REGEX REPLACE
+    "([^:\n]*):([^:\n]+):http[^\n]*\n"
+    "i18n(\"Image/info menu item (should be translated)\", \"\\2\");\n"
+    _image_url "${_image_url}" )
+string( REGEX REPLACE "(^|\n)#" "\\1//" _image_url "${_image_url}" )
+file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/data/image_url.dat.tde_l10n" "${_image_url}" )
+
+file( READ "${CMAKE_CURRENT_SOURCE_DIR}/data/info_url.dat" _info_url )
+string( REGEX REPLACE
+    "([^:\n]*):([^:\n]+):http[^\n]*\n"
+    "i18n(\"Image/info menu item (should be translated)\", \"\\2\");\n"
+    _info_url "${_info_url}" )
+string( REGEX REPLACE "(^|\n)#" "\\1//" _info_url "${_info_url}" )
+file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/data/info_url.dat.tde_l10n" "${_info_url}" )
+
+## star names : some might be different in other languages,
+## or they might have to be adapted to non-Latin alphabets
+file( GLOB_RECURSE _hip_files
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/data/hip*.dat
+)
+list( SORT _hip_files )
+unset( _hip_files_l10n )
+foreach( _hip_file ${_hip_files} )
+    # read file
+    file( READ "${CMAKE_CURRENT_SOURCE_DIR}/${_hip_file}" _hip_data )
+    string( REGEX REPLACE "[^\n]" "" _hip_len ${_hip_data} )
+    string( LENGTH "+${_hip_len}" _hip_len )
+
+    # process lines
+    set( _hip_pos 0 )
+    unset( _hip_l10n )
+    while( _hip_pos LESS ${_hip_len} )
+      # pick line
+      string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\1" _hip_line "${_hip_data}" )
+      string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\2" _hip_data "${_hip_data}" )
+      math( EXPR _hip_pos "${_hip_pos}+1" )
+
+      string( LENGTH "${_hip_line}" _hip_line_len )
+      if( _hip_line_len LESS 72 OR "${_hip_line}" MATCHES "^#" )
+        set( _hip_line "" )
+      else( )
+        string( SUBSTRING "${_hip_line}" 72 -1 _hip_line )
+        string( REGEX MATCH "^([^:]+)" _hip_line "${_hip_line}" )
+        string( STRIP "${_hip_line}" _hip_line )
+        if( NOT "${_hip_line}" STREQUAL "" )
+          set( _hip_line "i18n(\"star name\", \"${_hip_line}\");" )
+        endif( )
+      endif( )
+      set( _hip_l10n "${_hip_l10n}${_hip_line}\n" )
+    endwhile( )
+
+    # write file
+    file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/${_hip_file}.tde_l10n" "${_hip_l10n}" )
+    list( APPEND _hip_files_l10n "${_hip_file}.tde_l10n" )
+endforeach( )
+
+## extract deep-sky object names
+file( GLOB_RECURSE _ngcic_files
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/data/ngcic*.dat
+)
+list( SORT _ngcic_files )
+unset( _ngcic_files_l10n )
+foreach( _ngcic_file ${_ngcic_files} )
+    # read file
+    file( READ "${CMAKE_CURRENT_SOURCE_DIR}/${_ngcic_file}" _ngcic_data )
+    string( REGEX REPLACE "[^\n]" "" _ngcic_len ${_ngcic_data} )
+    string( LENGTH "+${_ngcic_len}" _ngcic_len )
+
+    # process lines
+    set( _ngcic_pos 0 )
+    unset( _ngcic_l10n )
+    while( _ngcic_pos LESS ${_ngcic_len} )
+      # pick line
+      string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\1" _ngcic_line "${_ngcic_data}" )
+      string( REGEX REPLACE "^([^\n]*)\n(.*)" "\\2" _ngcic_data "${_ngcic_data}" )
+      math( EXPR _ngcic_pos "${_ngcic_pos}+1" )
+
+      string( LENGTH "${_ngcic_line}" _ngcic_line_len )
+      if( _ngcic_line_len LESS 76 OR "${_ngcic_line}" MATCHES "^#" )
+        set( _ngcic_line "" )
+      else( )
+        string( SUBSTRING "${_ngcic_line}" 76 -1 _ngcic_line )
+        string( STRIP "${_ngcic_line}" _ngcic_line )
+        if( NOT "${_ngcic_line}" STREQUAL "" )
+          set( _ngcic_line "i18n(\"object name (optional)\", \"${_ngcic_line}\");" )
+        endif( )
+      endif( )
+      set( _ngcic_l10n "${_ngcic_l10n}${_ngcic_line}\n" )
+    endwhile( )
+
+    # write file
+    file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/${_ngcic_file}.tde_l10n" "${_ngcic_l10n}" )
+    list( APPEND _ngcic_files_l10n "${_ngcic_file}.tde_l10n" )
+endforeach( )
+
+## extract strings from file containing advanced URLs:
+file( READ "${CMAKE_CURRENT_SOURCE_DIR}/data/advinterface.dat" _kslabel )
+string( REGEX REPLACE
+    "\\[KSLABEL\\]([^\n]*)(\n|\$)"
+    "i18n(\"Advanced URLs: description or category\", \"\\1\");\\2"
+    _kslabel "${_kslabel}" )
+file( WRITE "${CMAKE_CURRENT_SOURCE_DIR}/data/advinterface.dat.tde_l10n" "${_kslabel}" )
+
+
+##### create translation templates ##############
+
+tde_l10n_create_template(
+    CATALOG "kstars"
+    SOURCES
+        "."
+        "data/tips"
+        "data/cnames.dat.tde_l10n"
+        "data/Cities.dat.tde_l10n"
+        "data/image_url.dat.tde_l10n"
+        "data/info_url.dat.tde_l10n"
+        ${_hip_files_l10n}
+        ${_ngcic_files_l10n}
+        "data/advinterface.dat.tde_l10n"
+)