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authorAleksander Machniak <alec@alec.pl>2012-11-21 19:52:03 +0100
committerAleksander Machniak <alec@alec.pl>2012-11-21 19:52:03 +0100
commitba6f21caeb405c7e8512a09941fefbc97286e45f (patch)
tree4a0e8f6fbab3260d37bf85cbf0bc9f506e627678 /program/include/rcube_string_replacer.php
parentf707fec0001d7dc7d46be114c42b37e49a052660 (diff)
Framework files moved to lib/Roundcube
Diffstat (limited to 'program/include/rcube_string_replacer.php')
-rw-r--r--program/include/rcube_string_replacer.php195
1 files changed, 0 insertions, 195 deletions
diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
deleted file mode 100644
index 9af6b33e0..000000000
--- a/program/include/rcube_string_replacer.php
+++ /dev/null
@@ -1,195 +0,0 @@
-<?php
-
-/*
- +-----------------------------------------------------------------------+
- | program/include/rcube_string_replacer.php |
- | |
- | This file is part of the Roundcube Webmail client |
- | Copyright (C) 2009, The Roundcube Dev Team |
- | |
- | Licensed under the GNU General Public License version 3 or |
- | any later version with exceptions for skins & plugins. |
- | See the README file for a full license statement. |
- | |
- | PURPOSE: |
- | Handle string replacements based on preg_replace_callback |
- | |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com> |
- +-----------------------------------------------------------------------+
-*/
-
-
-/**
- * Helper class for string replacements based on preg_replace_callback
- *
- * @package Framework
- * @subpackage Utils
- */
-class rcube_string_replacer
-{
- public static $pattern = '/##str_replacement\[([0-9]+)\]##/';
- public $mailto_pattern;
- public $link_pattern;
- private $values = array();
-
-
- function __construct()
- {
- // Simplified domain expression for UTF8 characters handling
- // Support unicode/punycode in top-level domain part
- $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.?([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-zA-Z0-9]{2,})';
- $url1 = '.:;,';
- $url2 = 'a-zA-Z0-9%=#$@+?!&\\/_~\\[\\]{}\*-';
-
- $this->link_pattern = "/([\w]+:\/\/|\W[Ww][Ww][Ww]\.|^[Ww][Ww][Ww]\.)($utf_domain([$url1]?[$url2]+)*)/";
- $this->mailto_pattern = "/("
- ."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*" // local-part
- ."@$utf_domain" // domain-part
- ."(\?[$url1$url2]+)?" // e.g. ?subject=test...
- .")/";
- }
-
- /**
- * Add a string to the internal list
- *
- * @param string String value
- * @return int Index of value for retrieval
- */
- public function add($str)
- {
- $i = count($this->values);
- $this->values[$i] = $str;
- return $i;
- }
-
- /**
- * Build replacement string
- */
- public function get_replacement($i)
- {
- return '##str_replacement['.$i.']##';
- }
-
- /**
- * Callback function used to build HTML links around URL strings
- *
- * @param array Matches result from preg_replace_callback
- * @return int Index of saved string value
- */
- public function link_callback($matches)
- {
- $i = -1;
- $scheme = strtolower($matches[1]);
-
- if (preg_match('!^(http|ftp|file)s?://!i', $scheme)) {
- $url = $matches[1] . $matches[2];
- }
- else if (preg_match('/^(\W*)(www\.)$/i', $matches[1], $m)) {
- $url = $m[2] . $matches[2];
- $url_prefix = 'http://';
- $prefix = $m[1];
- }
-
- if ($url) {
- $suffix = $this->parse_url_brackets($url);
- $i = $this->add($prefix . html::a(array(
- 'href' => $url_prefix . $url,
- 'target' => '_blank'
- ), rcmail::Q($url)) . $suffix);
- }
-
- // Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
- return $i >= 0 ? $this->get_replacement($i) : $matches[0];
- }
-
- /**
- * Callback function used to build mailto: links around e-mail strings
- *
- * @param array Matches result from preg_replace_callback
- * @return int Index of saved string value
- */
- public function mailto_callback($matches)
- {
- $href = $matches[1];
- $suffix = $this->parse_url_brackets($href);
-
- $i = $this->add(html::a(array(
- 'href' => 'mailto:' . $href,
- 'onclick' => "return ".rcmail::JS_OBJECT_NAME.".command('compose','".rcmail::JQ($href)."',this)",
- ), rcmail::Q($href)) . $suffix);
-
- return $i >= 0 ? $this->get_replacement($i) : '';
- }
-
- /**
- * Look up the index from the preg_replace matches array
- * and return the substitution value.
- *
- * @param array Matches result from preg_replace_callback
- * @return string Value at index $matches[1]
- */
- public function replace_callback($matches)
- {
- return $this->values[$matches[1]];
- }
-
- /**
- * Replace all defined (link|mailto) patterns with replacement string
- *
- * @param string $str Text
- *
- * @return string Text
- */
- public function replace($str)
- {
- // search for patterns like links and e-mail addresses
- $str = preg_replace_callback($this->link_pattern, array($this, 'link_callback'), $str);
- $str = preg_replace_callback($this->mailto_pattern, array($this, 'mailto_callback'), $str);
-
- return $str;
- }
-
- /**
- * Replace substituted strings with original values
- */
- public function resolve($str)
- {
- return preg_replace_callback(self::$pattern, array($this, 'replace_callback'), $str);
- }
-
- /**
- * Fixes bracket characters in URL handling
- */
- public static function parse_url_brackets(&$url)
- {
- // #1487672: special handling of square brackets,
- // URL regexp allows [] characters in URL, for example:
- // "http://example.com/?a[b]=c". However we need to handle
- // properly situation when a bracket is placed at the end
- // of the link e.g. "[http://example.com]"
- if (preg_match('/(\\[|\\])/', $url)) {
- $in = false;
- for ($i=0, $len=strlen($url); $i<$len; $i++) {
- if ($url[$i] == '[') {
- if ($in)
- break;
- $in = true;
- }
- else if ($url[$i] == ']') {
- if (!$in)
- break;
- $in = false;
- }
- }
-
- if ($i<$len) {
- $suffix = substr($url, $i);
- $url = substr($url, 0, $i);
- }
- }
-
- return $suffix;
- }
-
-}