Move data translations to content repository

.gitignore

@@ -1,21 +1,10 @@
-*.user
 Debug/
 Release/
 .vs/
 *~
-.deps
-*.o
-*.a
-*.la
 po*/*.gmo
 po*/POTFILES
 po*/stamp-po
-.dirstamp
 build
-build-cmake
-cmake-build
-.qmake.stash
-src/celestia/win32/res/resource_strings.cpp
-src/celestia/qt/rc.cpp
-data/*.cpp
+*.cpp
 .DS_Store

CMakeLists.txt

@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.1.0)
 project(celestia VERSION "1.7.0" LANGUAGES NONE)
 
 option(NATIVE_OSX_APP "Support native OSX paths read data from (Default: off)" OFF)
+option(ENABLE_NLS     "Enable object names translation? (Default: on)" ON)
 
 # Use our cmake files
 list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
@@ -10,6 +11,14 @@ list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 include(GNUInstallDirs)
 include(install_to_extras_subdir)
 
+if(ENABLE_NLS)
+  find_package(Gettext)
+  if(NOT GETTEXT_FOUND)
+    message(WARNING "Gettext is not found, traslations won't be created.")
+  endif()
+  include(FixGettext)
+endif()
+
 if(NATIVE_OSX_APP)
   set(CMAKE_INSTALL_PREFIX "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.app/Contents")
   set(CMAKE_INSTALL_FULL_LOCALEDIR "${CMAKE_INSTALL_PREFIX}/Resources/locale")
@@ -25,5 +34,6 @@ add_subdirectory(data)
 add_subdirectory(extras)
 add_subdirectory(extras-standard)
 add_subdirectory(models)
+add_subdirectory(po)
 add_subdirectory(textures)
 add_subdirectory(warp)

cmake/FixGettext.cmake

@@ -0,0 +1,49 @@
+macro(GETTEXT_CREATE_TRANSLATIONS2 _potFile _firstPoFileArg)
+   # make it a real variable, so we can modify it here
+   set(_firstPoFile "${_firstPoFileArg}")
+
+   set(_gmoFiles)
+   get_filename_component(_potName ${_potFile} NAME)
+   string(REGEX REPLACE "^(.+)(\\.[^.]+)$" "\\1" _potBasename ${_potName})
+   get_filename_component(_absPotFile ${_potFile} ABSOLUTE)
+
+   set(_addToAll)
+   if(${_firstPoFile} STREQUAL "ALL")
+      set(_addToAll "ALL")
+      set(_firstPoFile)
+   endif()
+
+   foreach (_currentPoFile ${_firstPoFile} ${ARGN})
+      get_filename_component(_absFile ${_currentPoFile} ABSOLUTE)
+      get_filename_component(_abs_PATH ${_absFile} PATH)
+      get_filename_component(_lang ${_absFile} NAME_WE)
+      set(_gmoFile ${CMAKE_CURRENT_BINARY_DIR}/${_lang}.gmo)
+      set(_poFile ${CMAKE_CURRENT_BINARY_DIR}/${_lang}.po)
+
+      add_custom_command(
+         OUTPUT ${_gmoFile}
+         COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} --quiet --output-file=${_poFile} --lang=${_lang} --sort-output ${_absFile} ${_absPotFile}
+         COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${_gmoFile} ${_poFile}
+         DEPENDS ${_absPotFile} ${_absFile}
+      )
+
+      if(NATIVE_OSX_APP)
+        install(FILES ${_gmoFile} DESTINATION Resources/locale/${_lang}/LC_MESSAGES RENAME ${_potBasename}.mo)
+      else()
+        install(FILES ${_gmoFile} DESTINATION ${CMAKE_INSTALL_LOCALEDIR}/${_lang}/LC_MESSAGES RENAME ${_potBasename}.mo)
+      endif()
+      set(_gmoFiles ${_gmoFiles} ${_gmoFile})
+
+   endforeach ()
+
+   if(NOT TARGET translations)
+      add_custom_target(translations)
+   endif()
+
+  _GETTEXT_GET_UNIQUE_TARGET_NAME(translations uniqueTargetName)
+
+   add_custom_target(${uniqueTargetName} ${_addToAll} DEPENDS ${_gmoFiles})
+
+   add_dependencies(translations ${uniqueTargetName})
+
+endmacro()

data/well-known-dsonames.txt

@@ -1,3 +1,6 @@
+Milky Way
+LMC
+SMC
 Pleiades
 Hyades
 Praesepe
@@ -16,4 +19,4 @@ Fath 703
 47 Tuc
 Eridanus
 Pyxis
-Tonantzintla 2
+Tonantzintla 2

data/well-known-starnames.txt

@@ -1,4 +1,6 @@
 Sol
+Solar System Barycenter
+Sun
 Alpheratz
 Sirrah
 Caph
@@ -503,4 +505,4 @@ Alkarab
 Veritate
 Poerava
 Errai
-Axólotl
+Axólotl

debian/celestia-data.install

@@ -3,3 +3,4 @@ usr/share/celestia/extras-standard
 usr/share/celestia/data
 usr/share/celestia/models
 usr/share/celestia/textures
+usr/share/locale

debian/changelog

@@ -1,8 +1,9 @@
-celestiacontent (1.7.0~git20200306+59e133f+0) UNRELEASED; urgency=medium
+celestiacontent (1.7.0~git20211202+668347e9+0) bionic; urgency=medium
 
   * New snapshot build
+  * Install translations for celestia-data.
 
- -- Hleb Valoshka <375gnu@gmail.com>  Fri, 06 Mar 2020 18:47:48 +0300
+ -- Hleb Valoshka <375gnu@gmail.com>  Thu, 02 Dec 2021 11:09:22 +0200
 
 celestia (1.6.1+dfsg-3.1) unstable; urgency=low
 

po/CMakeLists.txt

@@ -0,0 +1,6 @@
+if((NOT ENABLE_NLS) OR (NOT GETTEXT_FOUND))
+  return()
+endif()
+
+file(GLOB PO_FILES "*.po")
+gettext_create_translations2("celestia-data.pot" ALL ${PO_FILES})

po/Makefile

@@ -0,0 +1,37 @@
+po_files := $(wildcard *.po)
+domain   := celestia-data
+pot_file := $(domain).pot
+
+all: po-update
+
+$(pot_file): $(pot_file)-update
+
+$(pot_file)-update: data.cpp
+	xgettext --keyword=_ --keyword=i18n \
+	         --sort-by-file --qt --add-comments \
+	         --default-domain=$(domain) --package-name=celestia --package-version=1.7.0 \
+	         --msgid-bugs-address=team@celestia.space \
+	         --copyright-holder="Celestia Development Team" \
+	         --output=$(pot_file) \
+	         --from-code=utf-8 \
+	         data.cpp
+
+data.cpp: ../data/asterisms.dat ../data/solarsys.ssc ../data/earth_locs.ssc ../data/world-capitals.ssc ../data/dwarfplanets.ssc ../data/minormoons.ssc ../data/well-known-starnames.txt ../data/well-known-dsonames.txt
+	egrep '^\"' ../data/asterisms.dat | awk -F'\"' '{ print "_(\"" $$2 "\");" }' > data.cpp
+	egrep '^(\"|ReferencePoint)' ../data/solarsys.ssc | awk -F'\"|:' '{ print "_(\"" $$2 "\");" }' >> data.cpp
+	egrep '^(\"|ReferencePoint)' ../data/dwarfplanets.ssc | awk -F'\"|:' '{ print "_(\"" $$2 "\");" }' >> data.cpp
+	egrep '^(\"|ReferencePoint)' ../data/minormoons.ssc | awk -F'\"|:' '{ print "_(\"" $$2 "\");" }' >> data.cpp
+	grep \"Sol/Earth\" ../data/earth_locs.ssc | awk -F\" '{ print "_(\"" $$2 "\");" }' >> data.cpp
+	grep \"Sol/Earth\" ../data/world-capitals.ssc | awk -F\" '{ print "_(\"" $$2 "\");" }' >> data.cpp
+	cat ../data/well-known-starnames.txt | awk '{ print "_(\"" $$0 "\");" }' >> data.cpp
+	cat ../data/well-known-dsonames.txt | awk '{ print "_(\"" $$0 "\");" }' >> data.cpp
+
+po-update: $(po_files)
+
+%.po: $(pot_file)
+	msgmerge --update $@ $(pot_file)
+
+clean: clean-data
+
+clean-data:
+	rm -rf data.cpp

po/remove-potcdate.sin

@@ -0,0 +1,19 @@
+# Sed script that remove the POT-Creation-Date line in the header entry
+# from a POT file.
+#
+# The distinction between the first and the following occurrences of the
+# pattern is achieved by looking at the hold space.
+/^"POT-Creation-Date: .*"$/{
+x
+# Test if the hold space is empty.
+s/P/P/
+ta
+# Yes it was empty. First occurrence. Remove the line.
+g
+d
+bb
+:a
+# The hold space was nonempty. Following occurrences. Do nothing.
+x
+:b
+}