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<?php
/**
* Language translation functions.
*
* The idea is very much stolen from the GNU translate C library.
*
* Although there is a PHP gettext() function, I prefer to use this home-grown
* translate function since it is simpler to work with.
*
* @version $Id: translate.php,v 1.15 2005/03/08 14:24:51 umcesrjones Exp $
* @package WebCalendar
*/
if ( empty ( $PHP_SELF ) && ! empty ( $_SERVER ) &&
! empty ( $_SERVER['PHP_SELF'] ) ) {
$PHP_SELF = $_SERVER['PHP_SELF'];
}
if ( ! empty ( $PHP_SELF ) && preg_match ( "/\/includes\//", $PHP_SELF ) ) {
die ( "You can't access this file directly!" );
}
if ( empty ( $LANGUAGE ) ) {
$LANGUAGE = '';
}
// If set to use browser settings, use the user's language preferences
// from their browser.
$lang = $LANGUAGE;
if ( $LANGUAGE == "Browser-defined" || $LANGUAGE == "none" ) {
$lang = get_browser_language ();
if ( $lang == "none" )
$lang = "";
}
if ( strlen ( $lang ) == 0 || $lang == 'none' ) {
$lang = "English-US"; // Default
}
$lang_file = "translations/" . $lang . ".txt";
$translation_loaded = false;
$PUBLIC_ACCESS_FULLNAME = "Public Access"; // default
/**
* Unloads translations so we can switch languages and translate into a
* different language.
*
* @param string $new_language New language file to load (just the base
* filename, no directory or file suffix. Example:
* "French")
*/
function reset_language ( $new_language ) {
global $lang_file, $translations, $basedir, $lang, $translation_loaded;
if ( $new_language != $lang || ! $translation_loaded ) {
$translations = array ();
$lang = $new_language;
$lang_file = "translations/" . $lang . ".txt";
load_translation_text ();
$translation_loaded = true;
}
}
/**
* Loads all the language translation into an array for quick lookup.
*
* <b>Note:</b> There is no need to call this manually. It will be invoked by
* {@link translate()} the first time it is called.
*/
function load_translation_text () {
global $lang_file, $translations, $basedir, $PUBLIC_ACCESS_FULLNAME, $fullname;
$translations = array ();
if ( strlen ( $basedir ) ) {
$lang_file_2 = "$basedir/$lang_file";
if ( file_exists ( $lang_file_2 ) )
$lang_file = $lang_file_2;
}
if ( ! file_exists ( $lang_file ) ) {
die_miserable_death ( "Cannot find language file: $lang_file" );
}
$fp = fopen ( $lang_file, "r" );
if ( ! $fp ) {
die_miserable_death ( "Could not open language file: $lang_file" );
}
while ( ! feof ( $fp ) ) {
$buffer = fgets ( $fp, 4096 );
$buffer = trim ( $buffer );
// stripslashes may cause problems with Japanese translations
// if so, we may have to make this configurable.
if ( get_magic_quotes_runtime() ) {
$buffer = stripslashes ( $buffer );
}
if ( substr ( $buffer, 0, 1 ) == "#" || strlen ( $buffer ) == 0 )
continue;
$pos = strpos ( $buffer, ":" );
$abbrev = substr ( $buffer, 0, $pos );
$abbrev = trim ( $abbrev );
$trans = substr ( $buffer, $pos + 1 );
$trans = trim ( $trans );
$translations[$abbrev] = $trans;
//echo "Abbrev: $abbrev<br />Trans: $trans<br />\n";
}
fclose ( $fp );
$PUBLIC_ACCESS_FULLNAME = translate ("Public Access" );
if ( $fullname == "Public Access" ) {
$fullname = $PUBLIC_ACCESS_FULLNAME;
}
}
/**
* Translates a string from the default English usage to some other language.
*
* The first time that this is called, the translation file will be loaded
* (with {@link load_translation_text()}).
*
* @param string $str Text to translate
*
* @return string The translated text, if available. If no translation is
* avalailable, then the original untranslated text is returned.
*/
function translate ( $str ) {
global $translations, $translation_loaded;
if ( ! $translation_loaded ) {
$translation_loaded = true;
load_translation_text ();
}
$str = trim ( $str );
if ( ! empty ( $translations[$str] ) )
return $translations[$str];
else {
// To help in translating, use the following to help identify text that
// has not been translated
// return "<blink>$str</blink>";
return $str;
}
}
/**
* Translates text and prints it.
*
* This is just an abbreviation for:
*
* <code>echo translate ( $str )</code>
*
* @param string $str Text to translate and print
*
* @uses translate
*/
function etranslate ( $str ) {
echo translate ( $str );
}
/**
* Translates and removes HTML from text, and returns it.
*
* This is useful for tooltips, which barf on HTML.
*
* <b>Note:</b> {@link etooltip()} will print the result rather than return the
* value.
*
* @param string $str Text to translate
*
* @return string The translated text with all HTML removed
*/
function tooltip ( $str ) {
$ret = translate ( $str );
$ret = eregi_replace ( "<[^>]+>", "", $ret );
$ret = eregi_replace ( "\"", "'", $ret );
return $ret;
}
/**
* Translates and removes HTML from text, and prints it.
*
* This is useful for tooltips, which barf on HTML.
*
* <b>Note:</b> {@link tooltip()} will return the result rather than print
* the value.
*
* @param string $str Text to translate and print
*
* @uses tooltip
*/
function etooltip ( $str ) {
echo tooltip ( $str );
}
?>
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