add php-gettext, i18n stuff

This commit is contained in:
Andrew Dolgov 2007-03-05 09:37:13 +01:00
parent 439bbe63ef
commit 659468ebf0
10 changed files with 1258 additions and 2 deletions

184
accept-to-gettext.php Normal file
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<?php
/*
* accept-to-gettext.inc -- convert information in 'Accept-*' headers to
* gettext language identifiers.
* Copyright (c) 2003, Wouter Verhelst <wouter@debian.org>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Usage:
*
* $locale=al2gt(<array of supported languages/charsets in gettext syntax>,
* <MIME type of document>);
* setlocale('LC_ALL', $locale); // or 'LC_MESSAGES', or whatever...
*
* Example:
*
* $langs=array('nl_BE.ISO-8859-15','nl_BE.UTF-8','en_US.UTF-8','en_GB.UTF-8');
* $locale=al2gt($langs, 'text/html');
* setlocale('LC_ALL', $locale);
*
* Note that this will send out header information (to be
* RFC2616-compliant), so it must be called before anything is sent to
* the user.
*
* Assumptions made:
* * Charset encodings are written the same way as the Accept-Charset
* HTTP header specifies them (RFC2616), except that they're parsed
* case-insensitive.
* * Country codes and language codes are the same in both gettext and
* the Accept-Language syntax (except for the case differences, which
* are dealt with easily). If not, some input may be ignored.
* * The provided gettext-strings are fully qualified; i.e., no "en_US";
* always "en_US.ISO-8859-15" or "en_US.UTF-8", or whichever has been
* used. "en.ISO-8859-15" is OK, though.
* * The language is more important than the charset; i.e., if the
* following is given:
*
* Accept-Language: nl-be, nl;q=0.8, en-us;q=0.5, en;q=0.3
* Accept-Charset: ISO-8859-15, utf-8;q=0.5
*
* And the supplied parameter contains (amongst others) nl_BE.UTF-8
* and nl.ISO-8859-15, then nl_BE.UTF-8 will be picked.
*
* $Log: accept-to-gettext.inc,v $
* Revision 1.1.1.1 2003/11/19 19:31:15 wouter
* * moved to new CVS repo after death of the old
* * Fixed code to apply a default to both Accept-Charset and
* Accept-Language if none of those headers are supplied; patch from
* Dominic Chambers <dominic@encasa.com>
*
* Revision 1.2 2003/08/14 10:23:59 wouter
* Removed little error in Content-Type header syntaxis.
*
*/
/* not really important, this one; perhaps I could've put it inline with
* the rest. */
function find_match($curlscore,$curcscore,$curgtlang,$langval,$charval,
$gtlang)
{
if($curlscore < $langval) {
$curlscore=$langval;
$curcscore=$charval;
$curgtlang=$gtlang;
} else if ($curlscore == $langval) {
if($curcscore < $charval) {
$curcscore=$charval;
$curgtlang=$gtlang;
}
}
return array($curlscore, $curcscore, $curgtlang);
}
function al2gt($gettextlangs, $mime) {
/* default to "everything is acceptable", as RFC2616 specifies */
$acceptLang=(($_SERVER["HTTP_ACCEPT_LANGUAGE"] == '') ? '*' :
$_SERVER["HTTP_ACCEPT_LANGUAGE"]);
$acceptChar=(($_SERVER["HTTP_ACCEPT_CHARSET"] == '') ? '*' :
$_SERVER["HTTP_ACCEPT_CHARSET"]);
$alparts=@preg_split("/,/",$acceptLang);
$acparts=@preg_split("/,/",$acceptChar);
/* Parse the contents of the Accept-Language header.*/
foreach($alparts as $part) {
$part=trim($part);
if(preg_match("/;/", $part)) {
$lang=@preg_split("/;/",$part);
$score=@preg_split("/=/",$lang[1]);
$alscores[$lang[0]]=$score[1];
} else {
$alscores[$part]=1;
}
}
/* Do the same for the Accept-Charset header. */
/* RFC2616: ``If no "*" is present in an Accept-Charset field, then
* all character sets not explicitly mentioned get a quality value of
* 0, except for ISO-8859-1, which gets a quality value of 1 if not
* explicitly mentioned.''
*
* Making it 2 for the time being, so that we
* can distinguish between "not specified" and "specified as 1" later
* on. */
$acscores["ISO-8859-1"]=2;
foreach($acparts as $part) {
$part=trim($part);
if(preg_match("/;/", $part)) {
$cs=@preg_split("/;/",$part);
$score=@preg_split("/=/",$cs[1]);
$acscores[strtoupper($cs[0])]=$score[1];
} else {
$acscores[strtoupper($part)]=1;
}
}
if($acscores["ISO-8859-1"]==2) {
$acscores["ISO-8859-1"]=(isset($acscores["*"])?$acscores["*"]:1);
}
/*
* Loop through the available languages/encodings, and pick the one
* with the highest score, excluding the ones with a charset the user
* did not include.
*/
$curlscore=0;
$curcscore=0;
$curgtlang=NULL;
foreach($gettextlangs as $gtlang) {
$tmp1=preg_replace("/\_/","-",$gtlang);
$tmp2=@preg_split("/\./",$tmp1);
$allang=strtolower($tmp2[0]);
$gtcs=strtoupper($tmp2[1]);
$noct=@preg_split("/-/",$allang);
$testvals=array(
array($alscores[$allang], $acscores[$gtcs]),
array($alscores[$noct[0]], $acscores[$gtcs]),
array($alscores[$allang], $acscores["*"]),
array($alscores[$noct[0]], $acscores["*"]),
array($alscores["*"], $acscores[$gtcs]),
array($alscores["*"], $acscores["*"]));
$found=FALSE;
foreach($testvals as $tval) {
if(!$found && isset($tval[0]) && isset($tval[1])) {
$arr=find_match($curlscore, $curcscore, $curgtlang, $tval[0],
$tval[1], $gtlang);
$curlscore=$arr[0];
$curcscore=$arr[1];
$curgtlang=$arr[2];
$found=TRUE;
}
}
}
/* We must re-parse the gettext-string now, since we may have found it
* through a "*" qualifier.*/
$gtparts=@preg_split("/\./",$curgtlang);
$tmp=strtolower($gtparts[0]);
$lang=preg_replace("/\_/", "-", $tmp);
$charset=$gtparts[1];
header("Content-Language: $lang");
header("Content-Type: $mime; charset=$charset");
return $curgtlang;
}
?>

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require_once "magpierss/rss_fetch.inc"; require_once "magpierss/rss_fetch.inc";
require_once 'magpierss/rss_utils.inc'; require_once 'magpierss/rss_utils.inc';
require_once "accept-to-gettext.php";
require_once "gettext/gettext.inc";
function purge_feed($link, $feed_id, $purge_interval, $debug = false) { function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
$rows = -1; $rows = -1;
@ -3184,4 +3187,17 @@
<img src=\"images/sign_info.png\">$msg</div>"; <img src=\"images/sign_info.png\">$msg</div>";
} }
function startup_gettext() {
# Get locale from Accept-Language header
$lang = al2gt(array("en_US", "ru_RU"), "text/html");
if ($lang) {
_setlocale(LC_MESSAGES, $lang);
_bindtextdomain("messages", "locale");
_textdomain("messages");
_bind_textdomain_codeset("messages", "UTF-8");
}
}
?> ?>

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gettext/README Normal file
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PHP-gettext 1.0
Copyright 2003, 2006 -- Danilo "angry with PHP[1]" Segan
Licensed under GPLv2 (or any later version, see COPYING)
[1] PHP is actually cyrillic, and translates roughly to
"works-doesn't-work" (UTF-8: Ради-Не-Ради)
Introduction
How many times did you look for a good translation tool, and
found out that gettext is best for the job? Many times.
How many times did you try to use gettext in PHP, but failed
miserably, because either your hosting provider didn't support
it, or the server didn't have adequate locale? Many times.
Well, this is a solution to your needs. It allows using gettext
tools for managing translations, yet it doesn't require gettext
library at all. It parses generated MO files directly, and thus
might be a bit slower than the (maybe provided) gettext library.
PHP-gettext is a simple reader for GNU gettext MO files. Those
are binary containers for translations, produced by GNU msgfmt.
Why?
I got used to having gettext work even without gettext
library. It's there in my favourite language Python, so I was
surprised that I couldn't find it in PHP. I even Googled for it,
but to no avail.
So, I said, what the heck, I'm going to write it for this
disguisting language of PHP, because I'm often constrained to it.
Features
o Support for simple translations
Just define a simple alias for translate() function (suggested
use of _() or gettext(); see provided example).
o Support for ngettext calls (plural forms, see a note under bugs)
You may also use plural forms. Translations in MO files need to
provide this, and they must also provide "plural-forms" header.
Please see 'info gettext' for more details.
o Support for reading straight files, or strings (!!!)
Since I can imagine many different backends for reading in the MO
file data, I used imaginary abstract class StreamReader to do all
the input (check streams.php). For your convenience, I've already
provided two classes for reading files: FileReader and
StringReader (CachedFileReader is a combination of the two: it
loads entire file contents into a string, and then works on that).
See example below for usage. You can for instance use StringReader
when you read in data from a database, or you can create your own
derivative of StreamReader for anything you like.
Bugs
Plural-forms field in MO header (translation for empty string,
i.e. "") is treated according to PHP syntactic rules (it's
eval()ed). Since these should actually follow C syntax, there are
some problems.
For instance, I'm used to using this:
Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : \
n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
but it fails with PHP (it sets $plural=2 instead of 0 for $n==1).
The fix is usually simple, but I'm lazy to go into the details of
PHP operator precedence, and maybe try to fix it. In here, I had
to put everything after the first ':' in parenthesis:
Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : \
(n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
That works, and I'm satisfied.
Besides this one, there are probably a bunch of other bugs, since
I hate PHP (did I mention it already? no? strange), and don't
know it very well. So, feel free to fix any of those and report
them back to me at <danilo@kvota.net>.
Usage
Put files streams.php and gettext.php somewhere you can load them
from, and require 'em in where you want to use them.
Then, create one 'stream reader' (a class that provides functions
like read(), seekto(), currentpos() and length()) which will
provide data for the 'gettext_reader', with eg.
$streamer = new FileStream('data.mo');
Then, use that as a parameter to gettext_reader constructor:
$wohoo = new gettext_reader($streamer);
If you want to disable pre-loading of entire message catalog in
memory (if, for example, you have a multi-thousand message catalog
which you'll use only occasionally), use "false" for second
parameter to gettext_reader constructor:
$wohoo = new gettext_reader($streamer, false);
From now on, you have all the benefits of gettext data at your
disposal, so may run:
print $wohoo->translate("This is a test");
print $wohoo->ngettext("%d bird", "%d birds", $birds);
You might need to pass parameter "-k" to xgettext to make it
extract all the strings. In above example, try with
xgettext -ktranslate -kngettext:1,2 file.php
what should create messages.po which contains two messages for
translation.
I suggest creating simple aliases for these functions (see
example/pigs.php for how do I do it, which means it's probably a
bad way).
Usage with gettext.inc (standard gettext interfaces emulation)
Check example in examples/pig_dropin.php, basically you include
gettext.inc and use all the standard gettext interfaces as
documented on:
http://www.php.net/gettext
The only catch is that you can check return value of setlocale()
to see if your locale is system supported or not.
Example
See in examples/ subdirectory. There are a couple of files.
pigs.php is an example, serbian.po is a translation to Serbian
language, and serbian.mo is generated with
msgfmt -o serbian.mo serbian.po
There is also simple "update" script that can be used to generate
POT file and to update the translation using msgmerge.
Interesting TODO:
o Try to parse "plural-forms" header field, and to follow C syntax
rules. This won't be easy.
Boring TODO:
o Learn PHP and fix bugs, slowness and other stuff resulting from
my lack of knowledge (but *maybe*, it's not my knowledge that is
bad, but PHP itself ;-).
(This is mostly done thanks to Nico Kaiser.)
o Try to use hash tables in MO files: with pre-loading, would it
be useful at all?
Never-asked-questions:
o Why did you mark this as version 1.0 when this is the first code
release?
Well, it's quite simple. I consider that the first released thing
should be labeled "version 1" (first, right?). Zero is there to
indicate that there's zero improvement and/or change compared to
"version 1".
I plan to use version numbers 1.0.* for small bugfixes, and to
release 1.1 as "first stable release of version 1".
This may trick someone that this is actually useful software, but
as with any other free software, I take NO RESPONSIBILITY for
creating such a masterpiece that will smoke crack, trash your
hard disk, and make lasers in your CD device dance to the tune of
Mozart's 40th Symphony (there is one like that, right?).
o Can I...?
Yes, you can. This is free software (as in freedom, free speech),
and you might do whatever you wish with it, provided you do not
limit freedom of others (GPL).
I'm considering licensing this under LGPL, but I *do* want
*every* PHP-gettext user to contribute and respect ideas of free
software, so don't count on it happening anytime soon.
I'm sorry that I'm taking away your freedom of taking others'
freedom away, but I believe that's neglible as compared to what
freedoms you could take away. ;-)
Uhm, whatever.

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<?php
/*
Copyright (c) 2005 Steven Armstrong <sa at c-area dot ch>
Drop in replacement for native gettext.
This file is part of PHP-gettext.
PHP-gettext 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 2 of the License, or
(at your option) any later version.
PHP-gettext 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 PHP-gettext; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
LC_CTYPE 0
LC_NUMERIC 1
LC_TIME 2
LC_COLLATE 3
LC_MONETARY 4
LC_MESSAGES 5
LC_ALL 6
*/
require('streams.php');
require('gettext.php');
// Variables
global $text_domains, $default_domain, $LC_CATEGORIES, $EMULATEGETTEXT, $CURRENTLOCALE;
$text_domains = array();
$default_domain = 'messages';
$LC_CATEGORIES = array('LC_CTYPE', 'LC_NUMERIC', 'LC_TIME', 'LC_COLLATE', 'LC_MONETARY', 'LC_MESSAGES', 'LC_ALL');
$EMULATEGETTEXT = 0;
$CURRENTLOCALE = '';
// Utility functions
/**
* Utility function to get a StreamReader for the given text domain.
*/
function _get_reader($domain=null, $category=5, $enable_cache=true) {
global $text_domains, $default_domain, $LC_CATEGORIES;
if (!isset($domain)) $domain = $default_domain;
if (!isset($text_domains[$domain]->l10n)) {
// get the current locale
$locale = _setlocale(LC_MESSAGES, 0);
$p = isset($text_domains[$domain]->path) ? $text_domains[$domain]->path : './';
$path = $p . "$locale/". $LC_CATEGORIES[$category] ."/$domain.mo";
if (file_exists($path)) {
$input = new FileReader($path);
}
else {
$input = null;
}
$text_domains[$domain]->l10n = new gettext_reader($input, $enable_cache);
}
return $text_domains[$domain]->l10n;
}
/**
* Returns whether we are using our emulated gettext API or PHP built-in one.
*/
function locale_emulation() {
global $EMULATEGETTEXT;
return $EMULATEGETTEXT;
}
/**
* Checks if the current locale is supported on this system.
*/
function _check_locale() {
global $EMULATEGETTEXT;
return !$EMULATEGETTEXT;
}
/**
* Get the codeset for the given domain.
*/
function _get_codeset($domain=null) {
global $text_domains, $default_domain, $LC_CATEGORIES;
if (!isset($domain)) $domain = $default_domain;
return (isset($text_domains[$domain]->codeset))? $text_domains[$domain]->codeset : ini_get('mbstring.internal_encoding');
}
/**
* Convert the given string to the encoding set by bind_textdomain_codeset.
*/
function _encode($text) {
$source_encoding = mb_detect_encoding($text);
$target_encoding = _get_codeset();
if ($source_encoding != $target_encoding) {
return mb_convert_encoding($text, $target_encoding, $source_encoding);
}
else {
return $text;
}
}
// Custom implementation of the standard gettext related functions
/**
* Sets a requested locale, if needed emulates it.
*/
function _setlocale($category, $locale) {
global $CURRENTLOCALE, $EMULATEGETTEXT;
if ($locale === 0) { // use === to differentiate between string "0"
if ($CURRENTLOCALE != '')
return $CURRENTLOCALE;
else
// obey LANG variable, maybe extend to support all of LC_* vars
// even if we tried to read locale without setting it first
return _setlocale($category, $CURRENTLOCALE);
} else {
$ret = 0;
if (function_exists('setlocale')) // I don't know if this ever happens ;)
$ret = setlocale($category, $locale);
if (($ret and $locale == '') or ($ret == $locale)) {
$EMULATEGETTEXT = 0;
$CURRENTLOCALE = $ret;
} else {
if ($locale == '') // emulate variable support
$CURRENTLOCALE = getenv('LANG');
else
$CURRENTLOCALE = $locale;
$EMULATEGETTEXT = 1;
}
return $CURRENTLOCALE;
}
}
/**
* Sets the path for a domain.
*/
function _bindtextdomain($domain, $path) {
global $text_domains;
// ensure $path ends with a slash
if ($path[strlen($path) - 1] != '/') $path .= '/';
elseif ($path[strlen($path) - 1] != '\\') $path .= '\\';
$text_domains[$domain]->path = $path;
}
/**
* Specify the character encoding in which the messages from the DOMAIN message catalog will be returned.
*/
function _bind_textdomain_codeset($domain, $codeset) {
global $text_domains;
$text_domains[$domain]->codeset = $codeset;
}
/**
* Sets the default domain.
*/
function _textdomain($domain) {
global $default_domain;
$default_domain = $domain;
}
/**
* Lookup a message in the current domain.
*/
function _gettext($msgid) {
$l10n = _get_reader();
//return $l10n->translate($msgid);
return _encode($l10n->translate($msgid));
}
/**
* Alias for gettext.
*/
function __($msgid) {
return _gettext($msgid);
}
/**
* Plural version of gettext.
*/
function _ngettext($single, $plural, $number) {
$l10n = _get_reader();
//return $l10n->ngettext($single, $plural, $number);
return _encode($l10n->ngettext($single, $plural, $number));
}
/**
* Override the current domain.
*/
function _dgettext($domain, $msgid) {
$l10n = _get_reader($domain);
//return $l10n->translate($msgid);
return _encode($l10n->translate($msgid));
}
/**
* Plural version of dgettext.
*/
function _dngettext($domain, $single, $plural, $number) {
$l10n = _get_reader($domain);
//return $l10n->ngettext($single, $plural, $number);
return _encode($l10n->ngettext($single, $plural, $number));
}
/**
* Overrides the domain and category for a single lookup.
*/
function _dcgettext($domain, $msgid, $category) {
$l10n = _get_reader($domain, $category);
//return $l10n->translate($msgid);
return _encode($l10n->translate($msgid));
}
/**
* Plural version of dcgettext.
*/
function _dcngettext($domain, $single, $plural, $number, $category) {
$l10n = _get_reader($domain, $category);
//return $l10n->ngettext($single, $plural, $number);
return _encode($l10n->ngettext($single, $plural, $number));
}
// Wrappers to use if the standard gettext functions are available, but the current locale is not supported by the system.
// Use the standard impl if the current locale is supported, use the custom impl otherwise.
function T_setlocale($category, $locale) {
return _setlocale($category, $locale);
}
function T_bindtextdomain($domain, $path) {
if (_check_locale()) return bindtextdomain($domain, $path);
else return _bindtextdomain($domain, $path);
}
function T_bind_textdomain_codeset($domain, $codeset) {
// bind_textdomain_codeset is available only in PHP 4.2.0+
if (_check_locale() and function_exists('bind_textdomain_codeset')) return bind_textdomain_codeset($domain, $codeset);
else return _bind_textdomain_codeset($domain, $codeset);
}
function T_textdomain($domain) {
if (_check_locale()) return textdomain($domain);
else return _textdomain($domain);
}
function T_gettext($msgid) {
if (_check_locale()) return gettext($msgid);
else return _gettext($msgid);
}
function T_($msgid) {
if (_check_locale()) return _($msgid);
return __($msgid);
}
function T_ngettext($single, $plural, $number) {
if (_check_locale()) return ngettext($single, $plural, $number);
else return _ngettext($single, $plural, $number);
}
function T_dgettext($domain, $msgid) {
if (_check_locale()) return dgettext($domain, $msgid);
else return _dgettext($domain, $msgid);
}
function T_dngettext($domain, $single, $plural, $number) {
if (_check_locale()) return dngettext($domain, $single, $plural, $number);
else return _dngettext($domain, $single, $plural, $number);
}
function T_dcgettext($domain, $msgid, $category) {
if (_check_locale()) return dcgettext($domain, $msgid, $category);
else return _dcgettext($domain, $msgid, $category);
}
function T_dcngettext($domain, $single, $plural, $number, $category) {
if (_check_locale()) return dcngettext($domain, $single, $plural, $number, $category);
else return _dcngettext($domain, $single, $plural, $number, $category);
}
// Wrappers used as a drop in replacement for the standard gettext functions
if (!function_exists('gettext')) {
function bindtextdomain($domain, $path) {
return _bindtextdomain($domain, $path);
}
function bind_textdomain_codeset($domain, $codeset) {
return _bind_textdomain_codeset($domain, $codeset);
}
function textdomain($domain) {
return _textdomain($domain);
}
function gettext($msgid) {
return _gettext($msgid);
}
function _($msgid) {
return __($msgid);
}
function ngettext($single, $plural, $number) {
return _ngettext($single, $plural, $number);
}
function dgettext($domain, $msgid) {
return _dgettext($domain, $msgid);
}
function dngettext($domain, $single, $plural, $number) {
return _dngettext($domain, $single, $plural, $number);
}
function dcgettext($domain, $msgid, $category) {
return _dcgettext($domain, $msgid, $category);
}
function dcngettext($domain, $single, $plural, $number, $category) {
return _dcngettext($domain, $single, $plural, $number, $category);
}
}
?>

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<?php
/*
Copyright (c) 2003 Danilo Segan <danilo@kvota.net>.
Copyright (c) 2005 Nico Kaiser <nico@siriux.net>
This file is part of PHP-gettext.
PHP-gettext 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 2 of the License, or
(at your option) any later version.
PHP-gettext 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 PHP-gettext; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Provides a simple gettext replacement that works independently from
* the system's gettext abilities.
* It can read MO files and use them for translating strings.
* The files are passed to gettext_reader as a Stream (see streams.php)
*
* This version has the ability to cache all strings and translations to
* speed up the string lookup.
* While the cache is enabled by default, it can be switched off with the
* second parameter in the constructor (e.g. whenusing very large MO files
* that you don't want to keep in memory)
*/
class gettext_reader {
//public:
var $error = 0; // public variable that holds error code (0 if no error)
//private:
var $BYTEORDER = 0; // 0: low endian, 1: big endian
var $STREAM = NULL;
var $short_circuit = false;
var $enable_cache = false;
var $originals = NULL; // offset of original table
var $translations = NULL; // offset of translation table
var $pluralheader = NULL; // cache header field for plural forms
var $total = 0; // total string count
var $table_originals = NULL; // table for original strings (offsets)
var $table_translations = NULL; // table for translated strings (offsets)
var $cache_translations = NULL; // original -> translation mapping
/* Methods */
/**
* Reads a 32bit Integer from the Stream
*
* @access private
* @return Integer from the Stream
*/
function readint() {
if ($this->BYTEORDER == 0) {
// low endian
return array_shift(unpack('V', $this->STREAM->read(4)));
} else {
// big endian
return array_shift(unpack('N', $this->STREAM->read(4)));
}
}
/**
* Reads an array of Integers from the Stream
*
* @param int count How many elements should be read
* @return Array of Integers
*/
function readintarray($count) {
if ($this->BYTEORDER == 0) {
// low endian
return unpack('V'.$count, $this->STREAM->read(4 * $count));
} else {
// big endian
return unpack('N'.$count, $this->STREAM->read(4 * $count));
}
}
/**
* Constructor
*
* @param object Reader the StreamReader object
* @param boolean enable_cache Enable or disable caching of strings (default on)
*/
function gettext_reader($Reader, $enable_cache = true) {
// If there isn't a StreamReader, turn on short circuit mode.
if (! $Reader || isset($Reader->error) ) {
$this->short_circuit = true;
return;
}
// Caching can be turned off
$this->enable_cache = $enable_cache;
// $MAGIC1 = (int)0x950412de; //bug in PHP 5
$MAGIC1 = (int) - 1794895138;
// $MAGIC2 = (int)0xde120495; //bug
$MAGIC2 = (int) - 569244523;
$this->STREAM = $Reader;
$magic = $this->readint();
if ($magic == $MAGIC1) {
$this->BYTEORDER = 0;
} elseif ($magic == $MAGIC2) {
$this->BYTEORDER = 1;
} else {
$this->error = 1; // not MO file
return false;
}
// FIXME: Do we care about revision? We should.
$revision = $this->readint();
$this->total = $this->readint();
$this->originals = $this->readint();
$this->translations = $this->readint();
}
/**
* Loads the translation tables from the MO file into the cache
* If caching is enabled, also loads all strings into a cache
* to speed up translation lookups
*
* @access private
*/
function load_tables() {
if (is_array($this->cache_translations) &&
is_array($this->table_originals) &&
is_array($this->table_translations))
return;
/* get original and translations tables */
$this->STREAM->seekto($this->originals);
$this->table_originals = $this->readintarray($this->total * 2);
$this->STREAM->seekto($this->translations);
$this->table_translations = $this->readintarray($this->total * 2);
if ($this->enable_cache) {
$this->cache_translations = array ();
/* read all strings in the cache */
for ($i = 0; $i < $this->total; $i++) {
$this->STREAM->seekto($this->table_originals[$i * 2 + 2]);
$original = $this->STREAM->read($this->table_originals[$i * 2 + 1]);
$this->STREAM->seekto($this->table_translations[$i * 2 + 2]);
$translation = $this->STREAM->read($this->table_translations[$i * 2 + 1]);
$this->cache_translations[$original] = $translation;
}
}
}
/**
* Returns a string from the "originals" table
*
* @access private
* @param int num Offset number of original string
* @return string Requested string if found, otherwise ''
*/
function get_original_string($num) {
$length = $this->table_originals[$num * 2 + 1];
$offset = $this->table_originals[$num * 2 + 2];
if (! $length)
return '';
$this->STREAM->seekto($offset);
$data = $this->STREAM->read($length);
return (string)$data;
}
/**
* Returns a string from the "translations" table
*
* @access private
* @param int num Offset number of original string
* @return string Requested string if found, otherwise ''
*/
function get_translation_string($num) {
$length = $this->table_translations[$num * 2 + 1];
$offset = $this->table_translations[$num * 2 + 2];
if (! $length)
return '';
$this->STREAM->seekto($offset);
$data = $this->STREAM->read($length);
return (string)$data;
}
/**
* Binary search for string
*
* @access private
* @param string string
* @param int start (internally used in recursive function)
* @param int end (internally used in recursive function)
* @return int string number (offset in originals table)
*/
function find_string($string, $start = -1, $end = -1) {
if (($start == -1) or ($end == -1)) {
// find_string is called with only one parameter, set start end end
$start = 0;
$end = $this->total;
}
if (abs($start - $end) <= 1) {
// We're done, now we either found the string, or it doesn't exist
$txt = $this->get_original_string($start);
if ($string == $txt)
return $start;
else
return -1;
} else if ($start > $end) {
// start > end -> turn around and start over
return $this->find_string($string, $end, $start);
} else {
// Divide table in two parts
$half = (int)(($start + $end) / 2);
$cmp = strcmp($string, $this->get_original_string($half));
if ($cmp == 0)
// string is exactly in the middle => return it
return $half;
else if ($cmp < 0)
// The string is in the upper half
return $this->find_string($string, $start, $half);
else
// The string is in the lower half
return $this->find_string($string, $half, $end);
}
}
/**
* Translates a string
*
* @access public
* @param string string to be translated
* @return string translated string (or original, if not found)
*/
function translate($string) {
if ($this->short_circuit)
return $string;
$this->load_tables();
if ($this->enable_cache) {
// Caching enabled, get translated string from cache
if (array_key_exists($string, $this->cache_translations))
return $this->cache_translations[$string];
else
return $string;
} else {
// Caching not enabled, try to find string
$num = $this->find_string($string);
if ($num == -1)
return $string;
else
return $this->get_translation_string($num);
}
}
/**
* Get possible plural forms from MO header
*
* @access private
* @return string plural form header
*/
function get_plural_forms() {
// lets assume message number 0 is header
// this is true, right?
$this->load_tables();
// cache header field for plural forms
if (! is_string($this->pluralheader)) {
if ($this->enable_cache) {
$header = $this->cache_translations[""];
} else {
$header = $this->get_translation_string(0);
}
if (eregi("plural-forms: ([^\n]*)\n", $header, $regs))
$expr = $regs[1];
else
$expr = "nplurals=2; plural=n == 1 ? 0 : 1;";
$this->pluralheader = $expr;
}
return $this->pluralheader;
}
/**
* Detects which plural form to take
*
* @access private
* @param n count
* @return int array index of the right plural form
*/
function select_string($n) {
$string = $this->get_plural_forms();
$string = str_replace('nplurals',"\$total",$string);
$string = str_replace("n",$n,$string);
$string = str_replace('plural',"\$plural",$string);
$total = 0;
$plural = 0;
eval("$string");
if ($plural >= $total) $plural = $total - 1;
return $plural;
}
/**
* Plural version of gettext
*
* @access public
* @param string single
* @param string plural
* @param string number
* @return translated plural form
*/
function ngettext($single, $plural, $number) {
if ($this->short_circuit) {
if ($number != 1)
return $plural;
else
return $single;
}
// find out the appropriate form
$select = $this->select_string($number);
// this should contains all strings separated by NULLs
$key = $single.chr(0).$plural;
if ($this->enable_cache) {
if (! array_key_exists($key, $this->cache_translations)) {
return ($number != 1) ? $plural : $single;
} else {
$result = $this->cache_translations[$key];
$list = explode(chr(0), $result);
return $list[$select];
}
} else {
$num = $this->find_string($key);
if ($num == -1) {
return ($number != 1) ? $plural : $single;
} else {
$result = $this->get_translation_string($num);
$list = explode(chr(0), $result);
return $list[$select];
}
}
}
}
?>

166
gettext/streams.php Normal file
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@ -0,0 +1,166 @@
<?php
/*
Copyright (c) 2003, 2005 Danilo Segan <danilo@kvota.net>.
This file is part of PHP-gettext.
PHP-gettext 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 2 of the License, or
(at your option) any later version.
PHP-gettext 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 PHP-gettext; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// Simple class to wrap file streams, string streams, etc.
// seek is essential, and it should be byte stream
class StreamReader {
// should return a string [FIXME: perhaps return array of bytes?]
function read($bytes) {
return false;
}
// should return new position
function seekto($position) {
return false;
}
// returns current position
function currentpos() {
return false;
}
// returns length of entire stream (limit for seekto()s)
function length() {
return false;
}
}
class StringReader {
var $_pos;
var $_str;
function StringReader($str='') {
$this->_str = $str;
$this->_pos = 0;
}
function read($bytes) {
$data = substr($this->_str, $this->_pos, $bytes);
$this->_pos += $bytes;
if (strlen($this->_str)<$this->_pos)
$this->_pos = strlen($this->_str);
return $data;
}
function seekto($pos) {
$this->_pos = $pos;
if (strlen($this->_str)<$this->_pos)
$this->_pos = strlen($this->_str);
return $this->_pos;
}
function currentpos() {
return $this->_pos;
}
function length() {
return strlen($this->_str);
}
}
class FileReader {
var $_pos;
var $_fd;
var $_length;
function FileReader($filename) {
if (file_exists($filename)) {
$this->_length=filesize($filename);
$this->_pos = 0;
$this->_fd = fopen($filename,'rb');
if (!$this->_fd) {
$this->error = 3; // Cannot read file, probably permissions
return false;
}
} else {
$this->error = 2; // File doesn't exist
return false;
}
}
function read($bytes) {
if ($bytes) {
fseek($this->_fd, $this->_pos);
// PHP 5.1.1 does not read more than 8192 bytes in one fread()
// the discussions at PHP Bugs suggest it's the intended behaviour
while ($bytes > 0) {
$chunk = fread($this->_fd, $bytes);
$data .= $chunk;
$bytes -= strlen($chunk);
}
$this->_pos = ftell($this->_fd);
return $data;
} else return '';
}
function seekto($pos) {
fseek($this->_fd, $pos);
$this->_pos = ftell($this->_fd);
return $this->_pos;
}
function currentpos() {
return $this->_pos;
}
function length() {
return $this->_length;
}
function close() {
fclose($this->_fd);
}
}
// Preloads entire file in memory first, then creates a StringReader
// over it (it assumes knowledge of StringReader internals)
class CachedFileReader extends StringReader {
function CachedFileReader($filename) {
if (file_exists($filename)) {
$length=filesize($filename);
$fd = fopen($filename,'rb');
if (!$fd) {
$this->error = 3; // Cannot read file, probably permissions
return false;
}
$this->_str = fread($fd, $length);
fclose($fd);
} else {
$this->error = 2; // File doesn't exist
return false;
}
}
}
?>

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@ -1 +1 @@
<?php require "tt-rss.php" ?> <?php header("Location: tt-rss.php"); ?>

View File

@ -2,6 +2,9 @@
error_reporting(E_ERROR | E_WARNING | E_PARSE); error_reporting(E_ERROR | E_WARNING | E_PARSE);
require_once "functions.php"; require_once "functions.php";
startup_gettext();
require_once "sessions.php"; require_once "sessions.php";
require_once "sanity_check.php"; require_once "sanity_check.php";
require_once "version.php"; require_once "version.php";

View File

@ -2,6 +2,9 @@
error_reporting(E_ERROR | E_WARNING | E_PARSE); error_reporting(E_ERROR | E_WARNING | E_PARSE);
require_once "functions.php"; require_once "functions.php";
startup_gettext();
require_once "sessions.php"; require_once "sessions.php";
require_once "sanity_check.php"; require_once "sanity_check.php";
require_once "version.php"; require_once "version.php";
@ -104,7 +107,7 @@ window.onload = init;
<div id="header"> <div id="header">
<div style="float : right"> <div style="float : right">
<?php if (!SINGLE_USER_MODE) { ?> <?php if (!SINGLE_USER_MODE) { ?>
<?php echo _('Hello,') ?> <b><?php echo $_SESSION["name"] ?></b> <?php echo __('Hello,') ?> <b><?php echo $_SESSION["name"] ?></b>
(<a href="logout.php">Logout</a>) (<a href="logout.php">Logout</a>)
<?php } ?> <?php } ?>
<img id="newVersionIcon" onclick="javascript:explainError(2)" <img id="newVersionIcon" onclick="javascript:explainError(2)"

19
update-translations.sh Normal file
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@ -0,0 +1,19 @@
#!/bin/sh
TEMPLATE=messages.pot
xgettext -kT_ngettext:1,2 -kT_ -k_ -L PHP -o $TEMPLATE *.php modules/*.php
if [ "$1" = "-p" ]; then
msgfmt --statistics $TEMPLATE
else
if [ -f $1.po ]; then
TMPFILE=/tmp/update-translations.$$
msgmerge -o $TMPFILE $1.po $TEMPLATE
mv $TMPFILE $1.po
msgfmt --statistics $1.po
msgfmt -o $1.mo $1.po
else
echo "Usage: $0 [-p|<basename>]"
fi
fi