Add new directory structure. Tags will contain current and past releases, and stable will contain any bug fixes to the current stable release so users won't have to get the potentially broken trunk build to fix a screwup in stable.
Trunk updated to 0.9 git-svn-id: http://kusabax.cultnet.net/svn/repo/stable@176 73d99b7e-4f53-4972-b7b7-2ecd3c4d89ee
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@@ -0,0 +1,180 @@
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<?php
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/**
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* Conditional block, the syntax is very similar to the php one, allowing () || && and
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* other php operators. Additional operators && their equivalent php syntax are as follow :
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*
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* eq -> ==
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* neq || ne -> !=
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* >= || ge -> >=
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* <= || le -> <=
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* > -> >
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* < -> <
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* mod -> %
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* not -> !
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* X is [not] div by Y -> (X % Y) == 0
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* X is [not] even [by Y] -> (X % 2) == 0 || ((X/Y) % 2) == 0
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* X is [not] odd [by Y] -> (X % 2) != 0 || ((X/Y) % 2) != 0
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*
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* This software is provided 'as-is', without any express || implied warranty.
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* In no event will the authors be held liable for any damages arising from the use of this software.
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*
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* @author Jordi Boggiano <j.boggiano@seld.be>
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* @copyright Copyright (c) 2008, Jordi Boggiano
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* @license http://dwoo.org/LICENSE Modified BSD License
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* @link http://dwoo.org/
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* @version 1.0.0
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* @date 2008-10-23
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* @package Dwoo
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*/
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class Dwoo_Plugin_if extends Dwoo_Block_Plugin implements Dwoo_ICompilable_Block, Dwoo_IElseable
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{
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public function init(array $rest)
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{
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}
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public static function replaceKeywords(array $params, Dwoo_Compiler $compiler)
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{
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$p = array();
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reset($params);
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while (list($k,$v) = each($params)) {
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$v = (string) $v;
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if(substr($v, 0, 1) === '"' || substr($v, 0, 1) === '\'') {
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$vmod = strtolower(substr($v, 1, -1));
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} else {
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$vmod = strtolower($v);
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}
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switch($vmod) {
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case 'and':
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$p[] = '&&';
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break;
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case 'or':
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$p[] = '||';
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break;
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case '==':
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case 'eq':
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$p[] = '==';
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break;
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case '<>':
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case '!=':
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case 'ne':
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case 'neq':
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$p[] = '!=';
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break;
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case '>=':
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case 'gte':
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case 'ge':
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$p[] = '>=';
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break;
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case '<=':
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case 'lte':
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case 'le':
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$p[] = '<=';
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break;
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case '>':
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case 'gt':
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$p[] = '>';
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break;
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case '<':
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case 'lt':
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$p[] = '<';
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break;
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case '===':
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$p[] = '===';
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break;
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case '!==':
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$p[] = '!==';
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break;
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case 'is':
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if (isset($params[$k+1]) && strtolower(trim($params[$k+1], '"\'')) === 'not') {
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$negate = true;
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next($params);
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} else {
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$negate = false;
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}
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$ptr = 1+(int)$negate;
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if (!isset($params[$k+$ptr])) {
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$params[$k+$ptr] = '';
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} else {
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$params[$k+$ptr] = trim($params[$k+$ptr], '"\'');
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}
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switch($params[$k+$ptr]) {
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case 'div':
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if (isset($params[$k+$ptr+1]) && strtolower(trim($params[$k+$ptr+1], '"\'')) === 'by') {
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$p[] = ' % '.$params[$k+$ptr+2].' '.($negate?'!':'=').'== 0';
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next($params);
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next($params);
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next($params);
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} else {
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throw new Dwoo_Compilation_Exception($compiler, 'If : Syntax error : syntax should be "if $a is [not] div by $b", found '.$params[$k-1].' is '.($negate?'not ':'').'div '.$params[$k+$ptr+1].' '.$params[$k+$ptr+2]);
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}
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break;
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case 'even':
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$a = array_pop($p);
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if (isset($params[$k+$ptr+1]) && strtolower(trim($params[$k+$ptr+1], '"\'')) === 'by') {
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$b = $params[$k+$ptr+2];
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$p[] = '('.$a .' / '.$b.') % 2 '.($negate?'!':'=').'== 0';
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next($params);
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next($params);
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} else {
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$p[] = $a.' % 2 '.($negate?'!':'=').'== 0';
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}
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next($params);
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break;
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case 'odd':
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$a = array_pop($p);
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if (isset($params[$k+$ptr+1]) && strtolower(trim($params[$k+$ptr+1], '"\'')) === 'by') {
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$b = $params[$k+$ptr+2];
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$p[] = '('.$a .' / '.$b.') % 2 '.($negate?'=':'!').'== 0';
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next($params);
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next($params);
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} else {
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$p[] = $a.' % 2 '.($negate?'=':'!').'== 0';
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}
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next($params);
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break;
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default:
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throw new Dwoo_Compilation_Exception($compiler, 'If : Syntax error : syntax should be "if $a is [not] (div|even|odd) [by $b]", found '.$params[$k-1].' is '.$params[$k+$ptr+1]);
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}
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break;
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case '%':
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case 'mod':
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$p[] = '%';
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break;
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case '!':
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case 'not':
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$p[] = '!';
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break;
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default:
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$p[] = $v;
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}
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}
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return $p;
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}
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public static function preProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $type)
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{
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return '';
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}
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public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
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{
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$params = $compiler->getCompiledParams($params);
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$pre = Dwoo_Compiler::PHP_OPEN.'if ('.implode(' ', self::replaceKeywords($params['*'], $compiler)).") {\n".Dwoo_Compiler::PHP_CLOSE;
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$post = Dwoo_Compiler::PHP_OPEN."\n}".Dwoo_Compiler::PHP_CLOSE;
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if (isset($params['hasElse'])) {
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$post .= $params['hasElse'];
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}
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return $pre . $content . $post;
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}
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}
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