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Diffstat (limited to 'buildscripts/phing/classes/phing/util/regexp/Regexp.php')
| -rwxr-xr-x | buildscripts/phing/classes/phing/util/regexp/Regexp.php | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/util/regexp/Regexp.php b/buildscripts/phing/classes/phing/util/regexp/Regexp.php new file mode 100755 index 00000000..7188997e --- /dev/null +++ b/buildscripts/phing/classes/phing/util/regexp/Regexp.php @@ -0,0 +1,203 @@ +<?php +/* + * $Id: b669eb9f2dd8533cba67b2058b7cbc2f558bdeae $ + * + * 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. + * + * This software consists of voluntary contributions made by many individuals + * and is licensed under the LGPL. For more information please see + * <http://phing.info>. + */ + +/** + * A factory class for regex functions. + * @author Hans Lellelid <hans@xmpl.org> + * @package phing.util.regexp + * @version $Id$ + */ +class Regexp { + + /** + * Matching groups found. + * @var array + */ + private $groups = array(); + + /** + * Pattern to match. + * @var string + */ + private $pattern; + + /** + * Replacement pattern. + * @var string + */ + private $replace; + + /** + * The regex engine -- e.g. 'preg' or 'ereg'; + * @var RegexpEngine + */ + private $engine; + + /** + * Constructor sets the regex engine to use (preg by default). + * @param string $_engineType The regex engine to use. + */ + function __construct($engineType='preg') { + if ($engineType == 'preg') { + include_once 'phing/util/regexp/PregEngine.php'; + $this->engine = new PregEngine(); + } elseif ($engineType == 'ereg') { + include_once 'phing/util/regexp/EregEngine.php'; + $this->engine = new EregEngine(); + } else { + throw new BuildException("Invalid engine type for Regexp: " . $engineType); + } + } + + /** + * Sets pattern to use for matching. + * @param string $pat The pattern to match on. + * @return void + */ + public function setPattern($pat) { + $this->pattern = (string) $pat; + } + + + /** + * Gets pattern to use for matching. + * @return string The pattern to match on. + */ + public function getPattern() { + return $this->pattern; + } + + /** + * Sets replacement string. + * @param string $rep The pattern to replace matches with. + * @return void + */ + public function setReplace($rep) { + $this->replace = (string) $rep; + } + + /** + * Gets replacement string. + * @return string The pattern to replace matches with. + */ + public function getReplace() { + return $this->replace; + } + + /** + * Performs match of specified pattern against $subject. + * @param string $subject The subject, on which to perform matches. + * @return boolean Whether or not pattern matches subject string passed. + */ + public function matches($subject) { + if($this->pattern === null) { + throw new Exception("No pattern specified for regexp match()."); + } + return $this->engine->match($this->pattern, $subject, $this->groups); + } + + /** + * Performs replacement of specified pattern and replacement strings. + * @param string $subject Text on which to perform replacement. + * @return string subject after replacement has been performed. + */ + public function replace($subject) { + if ($this->pattern === null || $this->replace === null) { + throw new Exception("Missing pattern or replacement string regexp replace()."); + } + return $this->engine->replace($this->pattern, $this->replace, $subject); + } + + /** + * Get array of matched groups. + * @return array Matched groups + */ + function getGroups() { + return $this->groups; + } + + /** + * Get specific matched group. + * @param integer $idx + * @return string specified group or NULL if group is not set. + */ + function getGroup($idx) { + if (!isset($this->groups[$idx])) { + return null; + } + return $this->groups[$idx]; + } + + /** + * Sets pattern modifiers for regex engine + * + * @param string $mods Modifiers to be applied to a given regex + * @return void + */ + public function setModifiers($mods) { + $this->engine->setModifiers($mods); + } + + /** + * Gets pattern modifiers. + * Subsequent call to engines getModifiers() filters out duplicates + * i.e. if i is provided in $mods, and setIgnoreCase(true), "i" + * modifier would be included only once + * @return string + */ + public function getModifiers() { + return $this->engine->getModifiers(); + } + + /** + * Sets whether the regexp matching is case insensitive. + * (default is false -- i.e. case sensisitive) + * @param boolean $bit + */ + function setIgnoreCase($bit) { + $this->engine->setIgnoreCase($bit); + } + + /** + * Gets whether the regexp matching is case insensitive. + * @return boolean + */ + function getIgnoreCase() { + return $this->engine->getIgnoreCase(); + } + + /** + * Sets whether regexp should be applied in multiline mode. + * @param boolean $bit + */ + function setMultiline($bit) { + $this->engine->setMultiline($bit); + } + + /** + * Gets whether regexp is to be applied in multiline mode. + * @return boolean + */ + function getMultiline() { + return $this->engine->getMultiline(); + } +} + |