adding iso8859-7 and iso-8859-9 support

functions/encode/iso_8859_7.php

@@ -0,0 +1,141 @@
+<?php
+/**
+ * iso-8859-7 encoding functions
+ *
+ * takes a string of unicode entities and converts it to a iso-8859-7 encoded string
+ * Unsupported characters are replaced with ?.
+ *
+ * @version $Id$
+ * @copyright Copyright &copy; SquirrelMail Development Team, 2004
+ * @package squirrelmail
+ * @subpackage encode
+ */
+
+/**
+ * Converts string to iso-8859-7
+ * @param string $string text with numeric unicode entities
+ * @return string iso-8859-7 encoded text
+ */
+function charset_encode_iso_8859_7 ($string) {
+   // don't run encoding function, if there is no encoded characters
+   if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
+
+    $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88597('\\1')",$string);
+    // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88597(hexdec('\\1'))",$string);
+    
+    return $string;
+}
+
+/**
+ * Return iso-8859-7 symbol when unicode character number is provided
+ * 
+ * This function is used internally by charset_encode_iso_8859_7 
+ * function. It might be unavailable to other squirrelmail functions.
+ * Don't use it or make sure, that functions/encode/iso_8859_7.php is 
+ * included. 
+ *
+ * @param int $var decimal unicode value
+ * @return string iso-8859-7 character
+ */
+function unicodetoiso88597($var) {
+
+    $iso88597chars=array('160' => "\xA0",
+                         '163' => "\xA3",
+                         '166' => "\xA6",
+                         '167' => "\xA7",
+                         '168' => "\xA8",
+                         '169' => "\xA9",
+                         '171' => "\xAB",
+                         '172' => "\xAC",
+                         '173' => "\xAD",
+                         '176' => "\xB0",
+                         '177' => "\xB1",
+                         '178' => "\xB2",
+                         '179' => "\xB3",
+                         '183' => "\xB7",
+                         '187' => "\xBB",
+                         '189' => "\xBD",
+                         '900' => "\xB4",
+                         '901' => "\xB5",
+                         '902' => "\xB6",
+                         '904' => "\xB8",
+                         '905' => "\xB9",
+                         '906' => "\xBA",
+                         '908' => "\xBC",
+                         '910' => "\xBE",
+                         '911' => "\xBF",
+                         '912' => "\xC0",
+                         '913' => "\xC1",
+                         '914' => "\xC2",
+                         '915' => "\xC3",
+                         '916' => "\xC4",
+                         '917' => "\xC5",
+                         '918' => "\xC6",
+                         '919' => "\xC7",
+                         '920' => "\xC8",
+                         '921' => "\xC9",
+                         '922' => "\xCA",
+                         '923' => "\xCB",
+                         '924' => "\xCC",
+                         '925' => "\xCD",
+                         '926' => "\xCE",
+                         '927' => "\xCF",
+                         '928' => "\xD0",
+                         '929' => "\xD1",
+                         '931' => "\xD3",
+                         '932' => "\xD4",
+                         '933' => "\xD5",
+                         '934' => "\xD6",
+                         '935' => "\xD7",
+                         '936' => "\xD8",
+                         '937' => "\xD9",
+                         '938' => "\xDA",
+                         '939' => "\xDB",
+                         '940' => "\xDC",
+                         '941' => "\xDD",
+                         '942' => "\xDE",
+                         '943' => "\xDF",
+                         '944' => "\xE0",
+                         '945' => "\xE1",
+                         '946' => "\xE2",
+                         '947' => "\xE3",
+                         '948' => "\xE4",
+                         '949' => "\xE5",
+                         '950' => "\xE6",
+                         '951' => "\xE7",
+                         '952' => "\xE8",
+                         '953' => "\xE9",
+                         '954' => "\xEA",
+                         '955' => "\xEB",
+                         '956' => "\xEC",
+                         '957' => "\xED",
+                         '958' => "\xEE",
+                         '959' => "\xEF",
+                         '960' => "\xF0",
+                         '961' => "\xF1",
+                         '962' => "\xF2",
+                         '963' => "\xF3",
+                         '964' => "\xF4",
+                         '965' => "\xF5",
+                         '966' => "\xF6",
+                         '967' => "\xF7",
+                         '968' => "\xF8",
+                         '969' => "\xF9",
+                         '970' => "\xFA",
+                         '971' => "\xFB",
+                         '972' => "\xFC",
+                         '973' => "\xFD",
+                         '974' => "\xFE",
+                         '8213' => "\xAF",
+                         '8216' => "\xA1",
+                         '8217' => "\xA2");
+
+
+    if (array_key_exists($var,$iso88597chars)) {
+        $ret=$iso88597chars[$var];
+    } else {
+        $ret='?';
+    }
+    return $ret;
+}
+?>

functions/encode/iso_8859_9.php

@@ -0,0 +1,147 @@
+<?php
+/**
+ * iso-8859-9 encoding functions
+ *
+ * takes a string of unicode entities and converts it to a iso-8859-9 encoded string
+ * Unsupported characters are replaced with ?.
+ *
+ * @version $Id$
+ * @copyright Copyright &copy; SquirrelMail Development Team, 2004
+ * @package squirrelmail
+ * @subpackage encode
+ */
+
+/**
+ * Converts string to iso-8859-9
+ * @param string $string text with numeric unicode entities
+ * @return string iso-8859-9 encoded text
+ */
+function charset_encode_iso_8859_9 ($string) {
+   // don't run encoding function, if there is no encoded characters
+   if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
+
+    $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88599('\\1')",$string);
+    // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88599(hexdec('\\1'))",$string);
+    
+    return $string;
+}
+
+/**
+ * Return iso-8859-9 symbol when unicode character number is provided
+ * 
+ * This function is used internally by charset_encode_iso_8859_9 
+ * function. It might be unavailable to other squirrelmail functions.
+ * Don't use it or make sure, that functions/encode/iso_8859_9.php is 
+ * included. 
+ *
+ * @param int $var decimal unicode value
+ * @return string iso-8859-9 character
+ */
+function unicodetoiso88599($var) {
+
+    $iso88599chars=array('160' => "\xA0",
+                         '161' => "\xA1",
+                         '162' => "\xA2",
+                         '163' => "\xA3",
+                         '164' => "\xA4",
+                         '165' => "\xA5",
+                         '166' => "\xA6",
+                         '167' => "\xA7",
+                         '168' => "\xA8",
+                         '169' => "\xA9",
+                         '170' => "\xAA",
+                         '171' => "\xAB",
+                         '172' => "\xAC",
+                         '173' => "\xAD",
+                         '174' => "\xAE",
+                         '175' => "\xAF",
+                         '176' => "\xB0",
+                         '177' => "\xB1",
+                         '178' => "\xB2",
+                         '179' => "\xB3",
+                         '180' => "\xB4",
+                         '181' => "\xB5",
+                         '182' => "\xB6",
+                         '183' => "\xB7",
+                         '184' => "\xB8",
+                         '185' => "\xB9",
+                         '186' => "\xBA",
+                         '187' => "\xBB",
+                         '188' => "\xBC",
+                         '189' => "\xBD",
+                         '190' => "\xBE",
+                         '191' => "\xBF",
+                         '192' => "\xC0",
+                         '193' => "\xC1",
+                         '194' => "\xC2",
+                         '195' => "\xC3",
+                         '196' => "\xC4",
+                         '197' => "\xC5",
+                         '198' => "\xC6",
+                         '199' => "\xC7",
+                         '200' => "\xC8",
+                         '201' => "\xC9",
+                         '202' => "\xCA",
+                         '203' => "\xCB",
+                         '204' => "\xCC",
+                         '205' => "\xCD",
+                         '206' => "\xCE",
+                         '207' => "\xCF",
+                         '209' => "\xD1",
+                         '210' => "\xD2",
+                         '211' => "\xD3",
+                         '212' => "\xD4",
+                         '213' => "\xD5",
+                         '214' => "\xD6",
+                         '215' => "\xD7",
+                         '216' => "\xD8",
+                         '217' => "\xD9",
+                         '218' => "\xDA",
+                         '219' => "\xDB",
+                         '220' => "\xDC",
+                         '223' => "\xDF",
+                         '224' => "\xE0",
+                         '225' => "\xE1",
+                         '226' => "\xE2",
+                         '227' => "\xE3",
+                         '228' => "\xE4",
+                         '229' => "\xE5",
+                         '230' => "\xE6",
+                         '231' => "\xE7",
+                         '232' => "\xE8",
+                         '233' => "\xE9",
+                         '234' => "\xEA",
+                         '235' => "\xEB",
+                         '236' => "\xEC",
+                         '237' => "\xED",
+                         '238' => "\xEE",
+                         '239' => "\xEF",
+                         '241' => "\xF1",
+                         '242' => "\xF2",
+                         '243' => "\xF3",
+                         '244' => "\xF4",
+                         '245' => "\xF5",
+                         '246' => "\xF6",
+                         '247' => "\xF7",
+                         '248' => "\xF8",
+                         '249' => "\xF9",
+                         '250' => "\xFA",
+                         '251' => "\xFB",
+                         '252' => "\xFC",
+                         '255' => "\xFF",
+                         '286' => "\xD0",
+                         '287' => "\xF0",
+                         '304' => "\xDD",
+                         '305' => "\xFD",
+                         '350' => "\xDE",
+                         '351' => "\xFE");
+
+
+    if (array_key_exists($var,$iso88599chars)) {
+        $ret=$iso88599chars[$var];
+    } else {
+        $ret='?';
+    }
+    return $ret;
+}
+?>