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<?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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