--- /dev/null
+<?php
+/**
+ * URL parser and mapper
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2006, Bertrand Mansion <golgote@mamasam.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category Net
+ * @package Net_URL_Mapper
+ * @author Bertrand Mansion <golgote@mamasam.com>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Path.plex 283937 2009-07-12 11:37:21Z mansion $
+ * @link http://pear.php.net/package/Net_URL_Mapper
+ */
+
+require_once 'Net/URL/Mapper/Part/Dynamic.php';
+require_once 'Net/URL/Mapper/Part/Wildcard.php';
+require_once 'Net/URL/Mapper/Part/Fixed.php';
+
+class Net_URL_Mapper_Path
+{
+ private $path = '';
+ private $N = 0;
+ public $token;
+ public $value;
+ private $line = 1;
+ private $state = 1;
+
+
+ protected $alias;
+ protected $rules = array();
+ protected $defaults = array();
+ protected $parts = array();
+ protected $rule;
+ protected $format;
+ protected $minKeys;
+ protected $maxKeys;
+ protected $fixed = true;
+ protected $required;
+
+ public function __construct($path = '', $defaults = array(), $rules = array())
+ {
+ $this->path = '/'.trim(Net_URL::resolvePath($path), '/');
+ $this->setDefaults($defaults);
+ $this->setRules($rules);
+
+ try {
+ $this->parsePath();
+ } catch (Exception $e) {
+ // The path could not be parsed correctly, treat it as fixed
+ $this->fixed = true;
+ $part = self::createPart(Net_URL_Mapper_Part::FIXED, $this->path, $this->path);
+ $this->parts = array($part);
+ }
+ $this->getRequired();
+ }
+
+ /**
+ * Called when the object is serialized
+ * Make sure we do not store too much info when the object is serialized
+ * and call the regular expressions generator functions so that they will
+ * not need to be generated again on wakeup.
+ *
+ * @return array Name of properties to store when serialized
+ */
+ public function __sleep()
+ {
+ $this->getFormat();
+ $this->getRule();
+ return array('alias', 'path', 'defaults', 'rule', 'format',
+ 'parts', 'minKeys', 'maxKeys', 'fixed', 'required');
+ }
+
+ public function getPath()
+ {
+ return $this->path;
+ }
+
+ protected function parsePath()
+ {
+ while ($this->yylex()) { }
+ }
+
+ /**
+ * Get the path alias
+ * Path aliases can be used instead of full path
+ * @return null|string
+ */
+ public function getAlias()
+ {
+ return $this->alias;
+ }
+
+ /**
+ * Set the path name
+ * @param string Set the path name
+ * @see getAlias()
+ */
+ public function setAlias($alias)
+ {
+ $this->alias = $alias;
+ return $this;
+ }
+
+ /**
+ * Get the path parts default values
+ * @return null|array
+ */
+ public function getDefaults()
+ {
+ return $this->defaults;
+ }
+
+ /**
+ * Set the path parts default values
+ * @param array Associative array with format partname => value
+ */
+ public function setDefaults($defaults)
+ {
+ if (is_array($defaults)) {
+ $this->defaults = $defaults;
+ } else {
+ $this->defaults = array();
+ }
+ }
+
+ /**
+ * Set the path parts default values
+ * @param array Associative array with format partname => value
+ */
+ public function setRules($rules)
+ {
+ if (is_array($rules)) {
+ $this->rules = $rules;
+ } else {
+ $this->rules = array();
+ }
+ }
+
+ /**
+ * Returns the regular expression used to match this path
+ * @return string PERL Regular expression
+ */
+ public function getRule()
+ {
+ if (is_null($this->rule)) {
+ $this->rule = '/^';
+ foreach ($this->parts as $path => $part) {
+ $this->rule .= $part->getRule();
+ }
+ $this->rule .= '$/';
+ }
+ return $this->rule;
+ }
+
+ public function getFormat()
+ {
+ if (is_null($this->format)) {
+ $this->format = '/^';
+ foreach ($this->parts as $path => $part) {
+ $this->format .= $part->getFormat();
+ }
+ $this->format .= '$/';
+ }
+ return $this->format;
+ }
+
+ protected function addPart($part)
+ {
+ if (array_key_exists($part->content, $this->defaults)) {
+ $part->setRequired(false);
+ $part->setDefaults($this->defaults[$part->content]);
+ }
+ if (isset($this->rules[$part->content])) {
+ $part->setRule($this->rules[$part->content]);
+ }
+ $this->rule = null;
+ if ($part->getType() != Net_URL_Mapper_Part::FIXED) {
+ $this->fixed = false;
+ $this->parts[$part->content] = $part;
+ } else {
+ $this->parts[] = $part;
+ }
+ return $part;
+ }
+
+ public static function createPart($type, $content, $path)
+ {
+ switch ($type) {
+ case Net_URL_Mapper_Part::DYNAMIC:
+ return new Net_URL_Mapper_Part_Dynamic($content, $path);
+ break;
+ case Net_URL_Mapper_Part::WILDCARD:
+ return new Net_URL_Mapper_Part_Wildcard($content, $path);
+ break;
+ default:
+ return new Net_URL_Mapper_Part_Fixed($content, $path);
+ }
+ }
+
+ /**
+ * Checks whether the path contains the given part by name
+ * If value parameter is given, the part also checks if the
+ * given value conforms to the part rule.
+ * @param string Part name
+ * @param mixed The value to check against
+ */
+ public function hasKey($partName, $value = null)
+ {
+ if (array_key_exists($partName, $this->parts)) {
+ if (!is_null($value) && $value !== false) {
+ return $this->parts[$partName]->match($value);
+ } else {
+ return true;
+ }
+ } elseif (array_key_exists($partName, $this->defaults) &&
+ $value == $this->defaults[$partName]) {
+ return true;
+ }
+ return false;
+ }
+
+ public function generate($values = array(), $qstring = array(), $anchor = '')
+ {
+ $path = '';
+ foreach ($this->parts as $part) {
+ $path .= $part->generate($values);
+ }
+ $path = '/'.trim(Net_URL::resolvePath($path), '/');
+ if (!empty($qstring)) {
+ $path .= '?'.http_build_query($qstring);
+ }
+ if (!empty($anchor)) {
+ $path .= '#'.ltrim($anchor, '#');
+ }
+ return $path;
+ }
+
+ public function getRequired()
+ {
+ if (!isset($this->required)) {
+ $req = array();
+ foreach ($this->parts as $part) {
+ if ($part->isRequired()) {
+ $req[] = $part->content;
+ }
+ }
+ $this->required = $req;
+ }
+ return $this->required;
+ }
+
+ public function getMaxKeys()
+ {
+ if (is_null($this->maxKeys)) {
+ $this->maxKeys = count($this->required);
+ $this->maxKeys += count($this->defaults);
+ }
+ return $this->maxKeys;
+ }
+
+
+
+/*!lex2php
+%input $this->path
+%counter $this->N
+%token $this->token
+%value $this->value
+%line $this->line
+static = /\/?([^\/:\*]+)/
+variable = /([a-zA-Z0-9_]+)/
+dynamic = /\/?:/
+wildcard = @/?\*@
+grouping = /\/?\(([a-zA-Z0-9_]+)\)/
+*/
+/*!lex2php
+%statename START
+dynamic grouping {
+ $c = $yy_subpatterns[0];
+ $part = self::createPart(Net_URL_Mapper_Part::DYNAMIC, $c, $this->value);
+ $this->addPart($part);
+}
+wildcard grouping {
+ $c = $yy_subpatterns[0];
+ $part = self::createPart(Net_URL_Mapper_Part::WILDCARD, $c, $this->value);
+ $this->addPart($part);
+}
+dynamic variable {
+ $c = $yy_subpatterns[0];
+ $part = self::createPart(Net_URL_Mapper_Part::DYNAMIC, $c, $this->value);
+ $this->addPart($part);
+}
+wildcard variable {
+ $c = $yy_subpatterns[0];
+ $part = self::createPart(Net_URL_Mapper_Part::WILDCARD, $c, $this->value);
+ $this->addPart($part);
+}
+static {
+ $c = $yy_subpatterns[0];
+ $part = self::createPart(Net_URL_Mapper_Part::FIXED, $c, $this->value);
+ $this->addPart($part);
+}
+*/
+}
+
+?>
\ No newline at end of file