boinc/html/inc/translation.inc

296 lines
10 KiB
PHP

<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
$lang_language_dir = "../languages/";
$lang_translations_dir = "translations/";
$lang_prj_translations_dir = "project_specific_translations/";
$lang_compiled_dir = "compiled/";
$lang_log_level = 1;
// Fetches a list of compiled languages from the directory
// set to contain such files.
// @returns A list of languages that have been compiled
//
function getSupportedLanguages(){
global $lang_language_dir, $lang_compiled_dir;
$list = array();
if (is_dir($lang_language_dir.$lang_compiled_dir)) {
if ($dh = opendir($lang_language_dir.$lang_compiled_dir)) {
while ($file = readdir($dh)) {
if (substr($file, -7) != ".po.inc") continue;
if (is_numeric(substr($file, 0, 5))) continue;
$list[] = substr($file,0,-7);
}
}
} else {
echo "\"".$lang_language_dir.$lang_compiled_dir."\" is not a directory. Please consult the documentation for correctly setting up the translation system.";
exit;
}
return $list;
}
// Builds the lookup arrays from the
// language files found in the given directory tree.
// @param langdir The language base directory
// @param transdir The location of the .po files to compile relative to langdir
// @param compdir The output location relative to langdir
// @param append If true the function will only append to rather than replace the compiled files
//
function buildLanguages($langdir,$transdir,$compdir){
global $lang_project_default;
// Run through each language and compile their lookup arrays.
if (is_dir($langdir.$transdir)) {
if ($dh = opendir($langdir.$transdir)) {
while (($file = readdir($dh)) !== false) {
if ($file==".." or $file=="."){
// Skip parent and current dir
} else if (substr($file,-3)==".po"){
// and only do files ending in .po
language_log(
"-------------Compiling $transdir$file------------", 0
);
$language = parseLanguage($langdir.$transdir.$file);
if (!$language){
language_log(
"WARNING: Could not parse language ".$file
);
continue;
}
$path = $langdir.$compdir.$file.".inc";
if (file_exists($path)) {
$fh = fopen($path, "a");
} else {
$fh = fopen($path, "w");
fwrite($fh, "<?php\n");
}
if (!$fh) {
language_log(
"ERROR: could not access $langdir $compdir - please check permissions", 2
);
exit;
}
foreach ($language as $key => $value){
if ($value !== "") {
//Skip if the msgstr is empty
fwrite($fh, "\$language_lookup_array[\"".str_replace("\"", "\\\"", substr($file,0,-3))."\"][\"".$key."\"] = \"".$value."\";\n");
}
}
// don't write \?\> - may append
fclose($fh);
} else {
//debug("File $file with unknown extension found in $info_dir");
}
}
closedir($dh);
} else {
//debug("$info_dir could not be opened - check permissions?");
}
} else {
//debug("$info_dir not found or is not a directory");
}
}
// Parses a gettext .po-file into an associative PHP array.
// @param file The file to parse
// checking for inconsistencies if needed.
//
function parseLanguage($file){
$translation_file = file($file);
$first_entry = true;
$current_token_text="";
$current_token ="";
$parsing_token = false;
$parsing_text = false;
$output = array();
for ($i = 0;$i<sizeof($translation_file);$i++){
$entry = trim($translation_file[$i]);
//echo "line $i: $entry\n";
if (substr($entry,0,1)=="#") {
continue;
} elseif (strpos($entry, "msgid") !== false) {
if (!$first_entry){
//If this is not the first, save the previous entry
$output[$current_token]=$current_token_text;
}
$current_token = getPOLineContent($entry);
$current_token_text="";
$parsing_token = true;
$parsing_text = false;
$first_entry=false;
} elseif (strpos($entry, "msgstr") !== false) {
$current_token_text = getPOLineContent($entry);
$parsing_token = false;
$parsing_text = true;
} elseif ($parsing_token) {
$current_token .= getPOLineContent($entry);
} elseif ($parsing_text) {
$current_token_text.=getPOLineContent($entry);
}
}
// Get the last token
if ($current_token && $current_token_text){
$output[$current_token]=$current_token_text;
}
return $output;
}
// Returns the contents of a line (ie removes "" from start and end)
//
function getPOLineContent($line){
$start = strpos($line, '"')+1;
$stop = strrpos($line, '"');
$x = substr($line, $start, $stop-$start);
$n = ereg("[^\\]\"", $x);
if ($n) {
echo "ERROR - MISMATCHED QUOTES IN $line\n";
return "";
}
return $x;
}
// Translate string
//
function tra($text /* ...arglist... */){
global $language_lookup_array, $languages_in_use;
// Find the string in the user's language
//
foreach ($languages_in_use as $language){
if (isset($language_lookup_array[$language][$text])) {
$text = $language_lookup_array[$language][$text];
break;
} else if ($language=="en"){
// This language is defined in the code and is always available
break;
}
}
// Replace relevant substrings with given arguments
for ($i = 1; $i<func_num_args(); $i++){
$arg = func_get_arg($i);
$text = str_replace("%".$i, $arg, $text);
}
return $text;
}
function tr_specific($text, $language){
global $lang_language_dir, $lang_compiled_dir, $language_lookup_array;
$file_name = $lang_language_dir.$lang_compiled_dir.$language.".po.inc";
if (file_exists($file_name)) {
require_once($file_name);
$text = $language_lookup_array[$language][$text];
}
return $text;
}
function language_log($message, $loglevel=0){
global $lang_log_level;
if ($loglevel==0) $msg = "[ Debug ]";
if ($loglevel==1) $msg = "[ Warning ]";
if ($loglevel==2) $msg = "[ CRITICAL ]";
if ($loglevel >= $lang_log_level){
echo date("Y-m-d H:i:s",time())." ".$msg." ".$message."\n";
}
}
// Make a list of languages which the user prefers
// (by looking at cookies and browser settings)
// cookies have highest priority.
if (isset($_COOKIE['lang'])){
$language_string = $_COOKIE['lang'].",";
} else {
$language_string = '';
}
if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) {
$language_string .= strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]);
}
// Find out which language to use by iterating through list
// The list is comma-separated, so split it into an array of the following type:
// Array (
// [0] => da
// [1] => en-us;q=0.7
// [2] => en;q=0.3
// )
$client_languages=explode(",",$language_string);
// A language is either defined as primary-secondary or primary.
// It can also have a quality attribute set,
// which orders the languages in a user preferred ordering.
// Since this is usally the same order as the array indices
// we just ignore this attribute (TODO: don't ignore this attribute)
// A missing quality attribute means q=1
$languages_in_use = array();
// Loop over languages that the client requests
for ($i=0; $i<sizeof($client_languages); $i++) {
if ((strlen($client_languages[$i])>2)
&& (substr($client_languages[$i],2,1)=="_" || substr($client_languages[$i],2,1)=="-"))
{
// If this is defined as primary-secondary, represent it as xx_YY
//
$language = substr(
$client_languages[$i],0,2)."_".strtoupper(substr($client_languages[$i],3,2)
);
// And also check for the primary language
//
$language2 = substr($client_languages[$i],0,2);
} else {
// else just use xx
//
$language = substr($client_languages[$i],0,2);
$language2 = null;
}
// if main language is english, look no further
//
if ($i == 0 && $language == 'en') {
break;
}
// If we have a translation for the language, include it
$file_name = $lang_language_dir.$lang_compiled_dir.$language.".po.inc";
if (file_exists($file_name)) {
if (!in_array($language, $languages_in_use)){
require_once($file_name);
$languages_in_use[] = $language;
}
}
if ($language2) {
$file_name = $lang_language_dir.$lang_compiled_dir.$language2.".po.inc";
if (file_exists($file_name)) {
if (!in_array($language2, $languages_in_use)){
require_once($file_name);
$languages_in_use[] = $language2;
}
}
}
}
$cvs_version_tracker[]="\$Id$"; //Generated automatically - do not edit
?>