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C:/xampp/php5/PEAR/PHP/Beautifier/Filter/_[ Writable ]

File:C:/xampp/php5/PEAR/PHP/Beautifier/Filter/IndentStyles.filter.php

<?php
/**
 * Filter Indent Styles: Indent the code in k&r, allman, gnu or whitesmiths
 *
 * PHP version 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to license@php.net so we can mail you a copy immediately.
 * @category   PHP
 * @package PHP_Beautifier
 * @subpackage Filter
 * @author Claudio Bustos <cdx@users.sourceforge.com>
 * @copyright  2004-2006 Claudio Bustos
 * @link     http://pear.php.net/package/PHP_Beautifier
 * @link     http://beautifyphp.sourceforge.net
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    CVS: $Id:$
 */
/**
 * Filter Indent Styles: Indent the code in k&r, allman, gnu or whitesmiths
 *
 * Use 'style' setting to select the style. You can change the style inside
 * the file, using the callbacks features.
 * The following is a description taken from {@link http://catb.org/~esr/jargon/html/I/indent-style.html }
 *
 * K&R style <b>['k&r']</b> Named after Kernighan & Ritchie, because the examples in K&R are formatted this way. Also called kernel style because the Unix kernel is written in it, and the "One True Brace Style" (abbrev. 1TBS) by its partisans. In C code, the body is typically indented by eight spaces (or one tab) per level, as shown here. Four spaces are occasionally seen in C, but in C++ and Java four tends to be the rule rather than the exception.
 *
 *<CODE>
 *if (<cond>) {
 *   <body>
 *   }
 *</CODE>
 *
 *   Allman style <b>['allman' or 'bsd']</b> Named for Eric Allman, a Berkeley hacker who wrote a lot of the BSD utilities in it (it is sometimes called BSD style). Resembles normal indent style in Pascal and Algol. It is the only style other than K&R in widespread use among Java programmers. Basic indent per level shown here is eight spaces, but four (or sometimes three) spaces are generally preferred by C++ and Java programmers.
 *
 *<CODE>
 *   if (<cond>)
 *   {
 *        <body>
 *   }
 * </CODE>
 *
 *
 * Whitesmiths style <b>['whitesmiths']</b>? popularized by the examples that came with Whitesmiths C, an early commercial C compiler. Basic indent per level shown here is eight spaces, but four spaces are occasionally seen.
 *
 * <CODE>
 * if (<cond>)
 *     {
 *     <body>
 *     }
 * </CODE>
 *
 * GNU style <b>['gnu']</b>  Used throughout GNU EMACS and the Free Software Foundation code, and just about nowhere else. Indents are always four spaces per level, with { and } halfway between the outer and inner indent levels.
 *
 *<CODE>
 * if (<cond>)
 *  {
 *    <body>
 *  }
 * </CODE>
 *
 * @category   PHP
 * @package PHP_Beautifier
 * @subpackage Filter
 * @author Claudio Bustos <cdx@users.sourceforge.com>
 * @copyright  2004-2006 Claudio Bustos
 * @link     http://pear.php.net/package/PHP_Beautifier
 * @link     http://beautifyphp.sourceforge.net
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    Release: 0.1.14
 */
class PHP_Beautifier_Filter_IndentStyles extends PHP_Beautifier_Filter
{
    protected $aSettings = array(
        'style' => 'K&R'
    );
    public $aAllowedStyles = array(
        "k&r" => "kr",
        "allman" => "bsd",
        "bsd" => "bsd",
        "gnu" => "gnu",
        "whitesmiths" => "ws",
        "ws" => "ws"
    );
    protected $sDescription = 'Filter the code in 4 different indent styles: K&R, Allman, Whitesmiths and GNU';
    public function __construct(PHP_Beautifier $oBeaut, $aSettings = array()) 
    {
        parent::__construct($oBeaut, $aSettings);
        $this->addSettingDefinition('style', 'text', 'Style for indent: K&R, Allman, Whitesmiths, GNU');
    }
    public function __call($sMethod, $aArgs) 
    {
        if (strtolower($this->getSetting('style')) == 'k&r') {
            return PHP_Beautifier_Filter::BYPASS;
        }
        $sNewMethod = $this->_getFunctionForStyle($sMethod);
        if (method_exists($this, $sNewMethod)) {
            call_user_func_array(array(
                $this,
                $sNewMethod
            ) , $aArgs);
        } else {
            return PHP_Beautifier_Filter::BYPASS;
        }
    }
    /**
     * Open braces in BSD style
     * @param    string  '{'
     */
    function t_open_brace_bsd($sTag) 
    {
        $this->oBeaut->addNewLineIndent();
        $this->oBeaut->add($sTag);
        $this->oBeaut->incIndent();
        $this->oBeaut->addNewLineIndent();
    }
    /**
     * Close braces in BSD style
     * @param    string  '}'
     */
    function t_close_brace_bsd($sTag) 
    {
        if ($this->oBeaut->getMode('string_index') or $this->oBeaut->getMode('double_quote')) {
            $this->oBeaut->add($sTag);
        } else {
            $this->oBeaut->removeWhitespace();
            $this->oBeaut->decIndent();
            $this->oBeaut->addNewLineIndent();
            $this->oBeaut->add($sTag);
            $this->oBeaut->addNewLineIndent();
        }
    }
    /**
     * Open braces in Whitesmiths style
     * @param    string  '{'
     */
    function t_open_brace_ws($sTag) 
    {
        $this->oBeaut->addNewLine();
        $this->oBeaut->incIndent();
        $this->oBeaut->addIndent();
        $this->oBeaut->add($sTag);
        $this->oBeaut->addNewLineIndent();
    }
    /**
     * Close braces in Whitesmiths style
     * @param    string  '}'
     */
    function t_close_brace_ws($sTag) 
    {
        if ($this->oBeaut->getMode('string_index') or $this->oBeaut->getMode('double_quote')) {
            $this->oBeaut->add($sTag);
        } else {
            $this->oBeaut->removeWhitespace();
            $this->oBeaut->addNewLineIndent();
            $this->oBeaut->add($sTag);
            $this->oBeaut->decIndent();
            $this->oBeaut->addNewLineIndent();
        }
    }
    /**
     * Close braces in GNU style
     * @param    string  '}'
     */
    function t_close_brace_gnu($sTag) 
    {
        if ($this->oBeaut->getMode('string_index') or $this->oBeaut->getMode('double_quote')) {
            $this->oBeaut->add($sTag);
        } else {
            $iHalfSpace = floor($this->oBeaut->iIndentNumber/2);
            $this->oBeaut->removeWhitespace();
            $this->oBeaut->decIndent();
            $this->oBeaut->addNewLineIndent();
            $this->oBeaut->add(str_repeat($this->oBeaut->sIndentChar, $iHalfSpace));
            $this->oBeaut->add($sTag);
            $this->oBeaut->addNewLineIndent();
        }
    }
    /**
     * Open braces in GNU style
     * @param    string  '{'
     */
    function t_open_brace_gnu($sTag) 
    {
        $iHalfSpace = floor($this->oBeaut->iIndentNumber/2);
        $this->oBeaut->addNewLineIndent();
        $this->oBeaut->add(str_repeat($this->oBeaut->sIndentChar, $iHalfSpace));
        $this->oBeaut->add($sTag);
        $this->oBeaut->incIndent();
        $this->oBeaut->addNewLineIndent();
    }
    /**
     * Else for bds, gnu & ws
     * @param    string  else or elseif
     * @return   void|PHP_Beautifier_Filter::BYPASS
     */
    function t_else($sTag) 
    {
        if ($this->oBeaut->getPreviousTokenContent() == '}') {
            $this->oBeaut->removeWhitespace();
            $this->oBeaut->addNewLineIndent();
            $this->oBeaut->add(trim($sTag));
            if (!$this->oBeaut->isNextTokenContent('{')) {
                    $this->oBeaut->add(' ');
            }
        } else {
            return PHP_Beautifier_Filter::BYPASS;
        }
    }
    /**
     * Return the method for the defined style
     * @param    string  method to search
     * @return   string  method renamed for the defined style
     */
    private function _getFunctionForStyle($sMethod) 
    {
        $sStyle = strtolower($this->getSetting('style'));
        if (!array_key_exists($sStyle, $this->aAllowedStyles)) {
            throw (new Exception("Style " . $sStyle . "doesn't exists"));
        }
        return $sMethod . "_" . $this->aAllowedStyles[$sStyle];
    }
}
?>

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