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<?php
/**
* gettext.php
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* Alternate to the system's built-in gettext.
* relies on .po files (can't read .mo easily).
* Uses the session for caching (speed increase)
* Possible use in other PHP scripts? The only SM-specific thing is
* $sm_language, I think
*
* $Id: gettext.php,v 1.16 2001/12/28 21:43:40 antipode Exp $
*/
global $gettext_php_domain, $gettext_php_dir, $gettext_php_loaded,
$gettext_php_translateStrings, $gettext_php_loaded_language,
$gettext_php_short_circuit;
if (! isset($gettext_php_loaded)) {
$gettext_php_loaded = false;
session_register('gettext_php_loaded');
}
if (! isset($gettext_php_domain)) {
$gettext_php_domain = '';
session_register('gettext_php_domain');
}
if (! isset($gettext_php_dir)) {
$gettext_php_dir = '';
session_register('gettext_php_dir');
}
if (! isset($gettext_php_translateStrings)) {
$gettext_php_translateStrings = array();
session_register('gettext_php_translateStrings');
}
if (! isset($gettext_php_loaded_language)) {
$gettext_php_loaded_language = '';
session_register('gettext_php_loaded_language');
}
if (! isset($gettext_php_short_circuit)) {
$gettext_php_short_circuit = false;
session_register('gettext_php_short_circuit');
}
function gettext_php_load_strings() {
global $squirrelmail_language, $gettext_php_translateStrings,
$gettext_php_domain, $gettext_php_dir, $gettext_php_loaded,
$gettext_php_loaded_language, $gettext_php_short_circuit;
/*
* $squirrelmail_language gives 'en' for English, 'de' for German,
* etc. I didn't wanna use getenv or similar, but you easily could
* change my code to do that.
*/
$gettext_php_translateStrings = array();
$gettext_php_short_circuit = false; /* initialization */
$filename = $gettext_php_dir;
if (substr($filename, -1) != '/')
$filename .= '/';
$filename .= $squirrelmail_language . '/LC_MESSAGES/' .
$gettext_php_domain . '.po';
$file = @fopen($filename, 'r');
if ($file == false) {
/* Uh-ho -- we can't load the file. Just fake it. :-)
This is also for English, which doesn't use translations */
$gettext_php_loaded = true;
$gettext_php_loaded_language = $squirrelmail_language;
/* Avoid fuzzy matching when we didn't load strings */
$gettext_php_short_circuit = true;
return;
}
$key = '';
$SkipRead = false;
while (! feof($file)) {
if (! $SkipRead) {
$line = trim(fgets($file, 4096));
} else {
$SkipRead = false;
}
if (ereg('^msgid "(.*)"$', $line, $match)) {
if ($match[1] == '') {
/*
* Potential multi-line
* msgid ""
* "string string "
* "string string"
*/
$key = '';
$line = trim(fgets($file, 4096));
while (ereg('^[ ]*"(.*)"[ ]*$', $line, $match)) {
$key .= $match[1];
$line = trim(fgets($file, 4096));
}
$SkipRead = true;
} else {
/* msgid "string string" */
$key = $match[1];
}
} elseif (ereg('^msgstr "(.*)"$', $line, $match)) {
if ($match[1] == '') {
/*
* Potential multi-line
* msgstr ""
* "string string "
* "string string"
*/
$gettext_php_translateStrings[$key] = '';
$line = trim(fgets($file, 4096));
while (ereg('^[ ]*"(.*)"[ ]*$', $line, $match)) {
$gettext_php_translateStrings[$key] .= $match[1];
$line = trim(fgets($file, 4096));
}
$SkipRead = true;
} else {
/* msgstr "string string" */
$gettext_php_translateStrings[$key] = $match[1];
}
$gettext_php_translateStrings[$key] =
stripslashes($gettext_php_translateStrings[$key]);
/* If there is no translation, just use the untranslated string */
if ($gettext_php_translateStrings[$key] == '') {
$gettext_php_translateStrings[$key] = $key;
}
$key = '';
}
}
fclose($file);
$gettext_php_loaded = true;
$gettext_php_loaded_language = $squirrelmail_language;
}
function _($str) {
global $gettext_php_loaded, $gettext_php_translateStrings,
$squirrelmail_language, $gettext_php_loaded_language,
$gettext_php_short_circuit;
if (! $gettext_php_loaded ||
$gettext_php_loaded_language != $squirrelmail_language) {
gettext_php_load_strings();
}
/* Try finding the exact string */
if (isset($gettext_php_translateStrings[$str])) {
return $gettext_php_translateStrings[$str];
}
/* See if we should short-circuit */
if ($gettext_php_short_circuit) {
$gettext_php_translateStrings[$str] = $str;
return $str;
}
/* Look for a string that is very close to the one we want
Very computationally expensive */
$oldPercent = 0;
$oldStr = '';
$newPercent = 0;
foreach ($gettext_php_translateStrings as $k => $v) {
similar_text($str, $k, $newPercent);
if ($newPercent > $oldPercent) {
$oldStr = $v;
$oldPercent = $newPercent;
}
}
/* Require 80% match or better
Adjust to suit your needs */
if ($oldPercent > 80) {
/* Remember this so we don't need to search again */
$gettext_php_translateStrings[$str] = $oldStr;
return $oldStr;
}
/* Remember this so we don't need to search again */
$gettext_php_translateStrings[$str] = $str;
return $str;
}
function bindtextdomain($name, $dir) {
global $gettext_php_domain, $gettext_php_dir, $gettext_php_loaded;
if ($gettext_php_domain != $name) {
$gettext_php_domain = $name;
$gettext_php_loaded = false;
}
if ($gettext_php_dir != $dir) {
$gettext_php_dir = $dir;
$gettext_php_loaded = false;
}
return $dir;
}
function textdomain($name = false) {
global $gettext_php_domain, $gettext_php_loaded;
if ($name != false && $gettext_php_domain != $name) {
$gettext_php_domain = $name;
$gettext_php_loaded = false;
}
return $gettext_php_domain;
}
?>
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