From: Carles Pina i Estany Date: Sat, 21 Nov 2009 21:05:15 +0000 (+0000) Subject: merge with Trunk X-Git-Tag: 1.98~378^2~20 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a239a5e9cc68ddcc8a156e2557fe63a1ed44fca0;p=thirdparty%2Fgrub.git merge with Trunk --- a239a5e9cc68ddcc8a156e2557fe63a1ed44fca0 diff --cc gettext/gettext.c index 089f59db4,000000000..9a658f5db mode 100644,000000..100644 --- a/gettext/gettext.c +++ b/gettext/gettext.c @@@ -1,285 -1,0 +1,286 @@@ +/* gettext.c - gettext module */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* + .mo file information from: + http://www.gnu.org/software/autoconf/manual/gettext/MO-Files.html . +*/ + + +static grub_file_t grub_mofile_open (const char *name); +static grub_file_t fd_mo; + +static int grub_gettext_offsetoriginal; +static int grub_gettext_max; + +static const char* (*grub_gettext_original) (const char *s); + +#define GETTEXT_MAGIC_NUMBER 0 +#define GETTEXT_FILE_FORMAT 4 +#define GETTEXT_NUMBER_OF_STRINGS 8 +#define GETTEXT_OFFSET_ORIGINAL 12 +#define GETTEXT_OFFSET_TRANSLATION 16 + +#define MO_MAGIC_NUMBER 0x950412de + +static grub_uint32_t +grub_gettext_get_info (int offset) +{ + grub_uint32_t value; + + grub_file_seek (fd_mo, offset); + grub_file_read (fd_mo, (char*) &value, 4); + value = grub_cpu_to_le32 (value); + return value; +} + +static void +grub_gettext_getstring_from_offset (grub_uint32_t offset, grub_uint32_t length, char *translation) +{ + grub_file_seek (fd_mo, offset); + grub_file_read (fd_mo, translation, length); + translation[length] = '\0'; +} + +static char* +grub_gettext_gettranslation_from_position (int position) +{ + int offsettranslation; + int internal_position; + grub_uint32_t length, offset; + char *translation; + + offsettranslation = grub_gettext_get_info (GETTEXT_OFFSET_TRANSLATION); + + internal_position = offsettranslation + position * 8; + + grub_file_seek (fd_mo, internal_position); + grub_file_read (fd_mo, (char*) &length, 4); + length = grub_cpu_to_le32 (length); + + grub_file_seek (fd_mo, internal_position + 4), + grub_file_read (fd_mo, (char*) &offset, 4); + offset = grub_cpu_to_le32 (offset); + + translation = grub_malloc(length + 1); + grub_gettext_getstring_from_offset (offset, length, translation); + + return translation; +} + +static char* +grub_gettext_getstring_from_position (int position) +{ + int internal_position; + int length, offset; + char *original; + + /* Get position for string i. */ + internal_position = grub_gettext_offsetoriginal + (position * 8); + + /* Get the length of the string i. */ + grub_file_seek (fd_mo, internal_position); + grub_file_read (fd_mo, (char *) &length, 4); + + /* Get the offset of the string i. */ + grub_file_seek (fd_mo, internal_position + 4); + grub_file_read (fd_mo, (char *) &offset, 4); + + /* Get the string i. */ + original = grub_malloc (length + 1); + grub_gettext_getstring_from_offset (offset, length, original); + + return original; +} + +static const char* +grub_gettext_translate (const char *orig) +{ + char *current_string; + char *ret; + + int min,max,current; + + if (fd_mo == 0) + return orig; + + min = 0; + max = grub_gettext_max; + + current = (max + min) / 2; + + while (current != min && current != max) + { + current_string = grub_gettext_getstring_from_position (current); + + /* Search by bisection. */ + if (grub_strcmp (current_string, orig) < 0) + { + grub_free(current_string); + min=current; + } + else if (grub_strcmp (current_string, orig) > 0) + { + grub_free(current_string); + max=current; + } + else if (grub_strcmp (current_string, orig) == 0) + { + grub_free(current_string); + return grub_gettext_gettranslation_from_position (current); + } + current = (max+min)/2; + } + + ret = grub_malloc(grub_strlen(orig) + 1); + grub_strcpy(ret,orig); + return ret; +} + +/* This is similar to grub_gzfile_open. */ +static grub_file_t +grub_mofile_open (const char *filename) +{ + int unsigned magic; + int version; + + /* Using fd_mo and not another variable because + it's needed for grub_gettext_get_info. */ + + fd_mo = grub_file_open (filename); + if (! fd_mo) + { + grub_error (GRUB_ERR_FILE_READ_ERROR, "Cannot read %s",filename); + return 0; + } + + magic = grub_gettext_get_info (GETTEXT_MAGIC_NUMBER); + + if (magic != MO_MAGIC_NUMBER) + { + grub_error (GRUB_ERR_BAD_FILE_TYPE, "mo: invalid mo file: %s", filename); + grub_file_close (fd_mo); + fd_mo = 0; + return 0; + } + + version = grub_gettext_get_info (GETTEXT_FILE_FORMAT); + + if (version != 0) + { + grub_error (GRUB_ERR_BAD_FILE_TYPE, "mo: invalid mo version in file: %s", filename); + fd_mo = 0; + return 0; + } + + /* + Do we want .mo.gz files? Then, the code: + file = grub_gzio_open (io, 0); // 0: transparent + if (! file) + { + grub_printf("Problems opening the file\n"); + grub_file_close (io); + return 0; + } + */ + + return fd_mo; +} + +static void +grub_gettext_init_ext (const char *lang) +{ + char *mo_file; - char *grub_prefix; ++ char *locale_dir; + - grub_prefix = grub_env_get ("prefix"); ++ locale_dir = grub_env_get ("locale_dir"); + + fd_mo = 0; + + // mo_file e.g.: /boot/grub/locale/ca.mo + - mo_file = grub_malloc (grub_strlen (grub_prefix) + sizeof ("/locale/") + grub_strlen (lang) + sizeof(".mo")); ++ mo_file = grub_malloc (grub_strlen (locale_dir) + sizeof ("/") + grub_strlen (lang) + sizeof(".mo")); + + // Warning: if changing some paths in the below line, change the grub_malloc + // contents below + - grub_sprintf (mo_file, "%s/locale/%s.mo", grub_prefix, lang); - grub_dprintf(" -------------- %s ",mo_file); ++ grub_sprintf (mo_file, "%s/%s.mo", locale_dir, lang); ++ ++ grub_dprintf("gettext", "Will try to open file: %s " ,mo_file); + + fd_mo = grub_mofile_open(mo_file); + grub_free (mo_file); + + if (fd_mo) + { + grub_gettext_offsetoriginal = grub_gettext_get_info(GETTEXT_OFFSET_ORIGINAL); + grub_gettext_max = grub_gettext_get_info(GETTEXT_NUMBER_OF_STRINGS); + + grub_gettext_original = grub_gettext; + grub_gettext = grub_gettext_translate; + } +} + +static char* +grub_gettext_env_write_lang (struct grub_env_var *var __attribute__ ((unused)), + const char *val) +{ + grub_gettext_init_ext (val); + + return grub_strdup (val); +} + +GRUB_MOD_INIT(gettext) +{ + (void)mod; /* To stop warning. */ + + const char *lang; + + lang = grub_env_get ("lang"); + + grub_gettext_init_ext (lang); + + /* Testing: + grub_register_command ("_", grub_cmd_translate, GRUB_COMMAND_FLAG_BOTH, + "_", "internalization support trans", 0); + */ + + /* Reload .mo file information if lang changes. */ + grub_register_variable_hook ("lang", NULL, grub_gettext_env_write_lang); + + /* Preserve hooks after context changes. */ + grub_env_export ("lang"); +} + +GRUB_MOD_FINI(gettext) +{ + if (fd_mo != 0) + grub_file_close(fd_mo); + + grub_gettext = grub_gettext_original; +} diff --cc util/grub.d/00_header.in index fe1352883,9f421dc1c..d1e25dfe3 --- a/util/grub.d/00_header.in +++ b/util/grub.d/00_header.in @@@ -22,7 -22,6 +22,8 @@@ prefix=@prefix exec_prefix=@exec_prefix@ libdir=@libdir@ grub_prefix=`echo /boot/grub | sed ${transform}` - locale_prefix="/usr/share/locale" # TODO: dynamic with exec_prefix ? ++locale_dir=`echo /boot/grub/locale | sed ${transform}` ++grub_lang=`echo $LANG | cut -d _ -f 1` . ${libdir}/grub/grub-mkconfig_lib @@@ -101,21 -100,6 +102,13 @@@ EO ;; esac - if test -e ${grub_prefix}/gettext.mod -a -d /usr/share/locale; then - # Make the locales accesible - prepare_grub_to_access_device `${grub_probe} --target=device ${locale_prefix}` - lang=`get_locale_lang` - grub_locale_prefix=`make_system_path_relative_to_its_root ${locale_prefix}` - cat << EOF +# Gettext variables and module - set locale_prefix=${grub_locale_prefix} - set lang=${lang} ++cat << EOF ++set locale_dir=${locale_dir} ++set lang=${grub_lang} +insmod gettext +EOF - else - echo "gettext module or /usr/share/locale is not available" - fi + if [ "x${GRUB_HIDDEN_TIMEOUT}" != "x" ] ; then if [ "x${GRUB_HIDDEN_TIMEOUT_QUIET}" = "xtrue" ] ; then verbose=