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- <?PHP
- /**
- * gettext.php
- *
- * Copyright (c) 1999-2001 The Squirrelmail Development 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
- *
- * $Id$
- */
- 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;
- $gettext_php_short_circuit = true; // Avoid fuzzy matching when we
- // didn't load strings
- 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]);
- $key = '';
- }
- }
- fclose($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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