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#!/usr/bin/php -f
<?php
/*
* PHP script to extract strings from all the files and print
* to stdout for use with xgettext.
*
* This script is based on the perl script provided with the Horde project
* http://www.horde.org/. As such, it inherits the license from the
* original version. You can find that license here:
*
* http://cvs.horde.org/co.php/horde/COPYING?r=2.1
*
* I'm not exactly sure what the license restrictions are in this case,
* but I want to give full credit to the original authors:
*
* Copyright 2000-2002 Joris Braakman <jbraakman@yahoo.com>
* Copyright 2001-2002 Chuck Hagenbuch <chuck@horde.org>
* Copyright 2001-2002 Jan Schneider <jan@horde.org>
*
* We've modified the script somewhat to make it work cleanly with the
* way that Gallery embeds internationalized text, so let's tack on our
* own copyrights.
*
* Copyright 2002-2007 Bharat Mediratta <bharat@menalto.com>
*
* $Id: extract.php 15513 2006-12-20 00:24:57Z mindless $
*/
if (!empty($_SERVER['SERVER_NAME'])) {
print "You must run this from the command line\n";
exit(1);
}
$exts = '(class|php|inc|tpl|css|html)';
/* These are in phpdoc and don't really need translations: */
$skip = array('TEST to be displayed in different languages' => true,
'TT <!-- abbreviation for Translation Test -->' => true);
$idEmitted = false;
$strings = array();
array_shift($_SERVER['argv']);
foreach ($_SERVER['argv'] as $moduleDir) {
if (preg_match('#^/cygdrive/(\w+)/(.*)$#', trim($moduleDir), $matches)) {
/* Cygwin and Window PHP filesystem function don't play nice together. */
$moduleDir = $matches[1] . ':\\' . str_replace('/', '\\', $matches[2]);
}
if (!is_dir($moduleDir)) {
continue;
}
chdir($moduleDir);
find('.');
$oldStringsRaw = "$moduleDir/po/strings.raw";
if (file_exists($oldStringsRaw)) {
$lines = file($oldStringsRaw);
if (preg_match('/^#.*Id/', $lines[0])) {
print $lines[0];
$idEmitted = true;
}
}
}
if (!$idEmitted) {
print '# $' . 'Id$' . "\n";
}
foreach ($strings as $string => $otherFiles) {
print $string;
if (!empty($otherFiles)) {
print ' /* also in: ' . implode(' ', $otherFiles) . ' */';
}
print "\n";
}
/**
* Recursive go through subdirectories
*/
function find($dir) {
if ($dh = opendir($dir)) {
$listing = $subdirs = array();
while (($file = readdir($dh)) !== false) {
if ($file == '.' || $file == '..') {
continue;
}
$listing[] = $file;
}
closedir($dh);
sort($listing);
global $exts;
$dir = ($dir == '.') ? '' : ($dir . '/');
foreach ($listing as $file) {
$filename = $dir . $file;
if (is_dir($filename)) {
/* Don't parse unit tests */
if ($file != 'test') {
$subdirs[] = $filename;
}
} else if (preg_match("/\." . $exts . "$/", $file)) {
extractStrings($filename);
}
}
foreach ($subdirs as $dir) {
find($dir);
}
}
}
/**
* Grab all translatable strings in a file into $strings array
*/
function extractStrings($filename) {
global $strings, $skip;
$strings["\n/* $filename */"] = array();
$startSize = count($strings);
$localStrings = array();
$data = file_get_contents($filename);
/*
* grab phrases for translate( or i18n( or _( calls; capture string parameter enclosed
* in single or double quotes including concatenated strings like 'one' . "two"
*/
if (preg_match_all("/(translate|i18n|_)\(\s*((?:(?:\s*\.\s*)?(?:'(?:(?:\\')?[^']*?)*[^\\\\]'|\"(?:(?:\")?[^\"]*?)*[^\\\\]\"))+)\s*(?:,\s*(true|false)\s*)?\)/s",
$data, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$text = eval('return ' . $match[2] . ';');
$text = str_replace('"', '\\"', $text); /* escape double-quotes */
if (isset($skip[$text])) {
continue;
}
if (!empty($match[3])) {
$hint = '/* xgettext:' . ($match[3] == 'false' ? 'no-' : '') . "c-format */\n";
} else {
$hint = '';
}
$string = $hint . sprintf('gettext("%s")', $text);
if (!isset($strings[$string])) {
$strings[$string] = array();
} else if (!isset($localStrings[$string])) {
$strings[$string][] = $filename;
}
$localStrings[$string] = true;
}
}
/* grab phrases of this format: translate(array('one' => '...', 'many' => '...')) */
if (preg_match_all("/translate\(\s*array\(\s*'one'\s*=>\s*((?:(?:\s*\.\s*)?(?:'(?:(?:\\')?[^']*?)*[^\\\\]'|\"(?:(?:\")?[^\"]*?)*[^\\\\]\"))+).*?'many'\s*=>\s*((?:(?:\s*\.\s*)?(?:'(?:(?:\\')?[^']*?)*[^\\\\]'|\"(?:(?:\")?[^\"]*?)*[^\\\\]\"))+)\s*[,)]/s",
$data, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$one = eval('return ' . $match[1] . ';');
$many = eval('return ' . $match[2] . ';');
$one = str_replace('"', '\\"', $one); /* escape double-quotes */
$many = str_replace('"', '\\"', $many); /* escape double-quotes */
$string = sprintf('ngettext("%s", "%s")', $one, $many);
if (!isset($strings[$string])) {
$strings[$string] = array();
} else if (!isset($localStrings[$string])) {
$strings[$string][] = $filename;
}
$localStrings[$string] = true;
}
}
/* grab phrases of this format: translate(array('text' => '...', ...)) */
if (preg_match_all("/translate\(\s*array\(\s*'text'\s*=>\s*((?:(?:\s*\.\s*)?(?:'(?:(?:\\')?[^']*?)*[^\\\\]'|\"(?:(?:\")?[^\"]*?)*[^\\\\]\"))+)\s*[,)]/s",
$data, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$text = eval('return ' . $match[1] . ';');
$text = str_replace('"', '\\"', $text); /* escape double-quotes */
$string = sprintf('gettext("%s")', $text);
if (!isset($strings[$string])) {
$strings[$string] = array();
} else if (!isset($localStrings[$string])) {
$strings[$string][] = $filename;
}
$localStrings[$string] = true;
}
}
/* grab phrases of this format: {g->text ..... } or {g->changeInDescendents ... } */
if (preg_match_all("/(\{\s*g->(?:text|changeInDescendents)\s+.*?[^\\\]\})/s",
$data, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$string = $match[1];
$text = $one = $many = null;
/*
* Ignore translations of the form:
* text=$foo
* as we expect those to be variables containing values that
* have been marked elsewhere with the i18n() function
*/
if (preg_match("/text=\\$/", $string)) {
continue;
}
/* text=..... */
if (preg_match("/text=\"(.*?[^\\\])\"/s", $string, $matches)) {
$text = $matches[1];
} elseif (preg_match("/text='(.*?)'/s", $string, $matches)) {
$text = $matches[1];
$text = str_replace('"', '\\"', $text); /* escape double-quotes */
}
/* one = ..... */
if (preg_match("/\s+one=\"(.*?[^\\\])\"/s", $string, $matches)) {
$one = $matches[1];
} elseif (preg_match("/\s+one='(.*?)'/s", $string, $matches)) {
$one = $matches[1];
$one = str_replace('"', '\\"', $one); /* escape double-quotes */
}
/* many = ..... */
if (preg_match("/\s+many=\"(.*?[^\\\])\"/s", $string, $matches)) {
$many = $matches[1];
} elseif (preg_match("/\s+many='(.*?)'/s", $string, $matches)) {
$many = $matches[1];
$many = str_replace('"', '\\"', $many); /* escape double-quotes */
}
/* c-format hint for xgettext */
if (preg_match('/c[Ff]ormat=(true|false)/s', $string, $matches)) {
$hint = '/* xgettext:' . ($matches[1] == 'false' ? 'no-' : '') . "c-format */\n";
} else {
$hint = '';
}
/* pick gettext() or ngettext() */
if ($text != null) {
$string = $hint . sprintf('gettext("%s")', $text);
} else if ($one != null && $many != null) {
$string = $hint . sprintf('ngettext("%s", "%s")', $one, $many);
} else {
/* parse error */
$stderr = fopen('php://stderr', 'w');
$text = preg_replace("/\n/s", '\n>', $text);
fwrite($stderr, "extract.php parse error: $filename:\n");
fwrite($stderr, "> $text\n");
exit(1);
}
$string = str_replace('\\}', '}', $string); /* unescape right-curly-braces */
if (!isset($strings[$string])) {
$strings[$string] = array();
} else if (!isset($localStrings[$string])) {
$strings[$string][] = $filename;
}
$localStrings[$string] = true;
}
}
if (count($strings) == $startSize) {
unset($strings["\n/* $filename */"]);
}
}
?>
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