📄 tag.php
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<?php/* vim: set expandtab tabstop=4 shiftwidth=4: */// +----------------------------------------------------------------------+// | PHP Version 4 |// +----------------------------------------------------------------------+// | Copyright (c) 1997-2002 The PHP Group |// +----------------------------------------------------------------------+// | This source file is subject to version 2.02 of the PHP license, |// | that is bundled with this package in the file LICENSE, and is |// | available at through the world-wide-web at |// | http://www.php.net/license/2_02.txt. |// | If you did not receive a copy of the PHP license and are unable to |// | obtain it through the world-wide-web, please send a note to |// | license@php.net so we can mail you a copy immediately. |// +----------------------------------------------------------------------+// | Authors: Alan Knowles <alan@akbkhome> |// +----------------------------------------------------------------------+//// $Id: Tag.php,v 1.50 2004/07/29 04:26:24 alan_k Exp $/* FC/BC compatibility with php5 */if ( (substr(phpversion(),0,1) < 5) && !function_exists('clone')) { eval('function clone($t) { return $t; }');}/*** Compiler That deals with standard HTML Tag output.* Since it's pretty complex it has it's own class.* I guess this class should deal with the main namespace* and the parent (standard compiler can redirect other namespaces to other classes.** one instance of these exists for each namespace.*** @version $Id: Tag.php,v 1.50 2004/07/29 04:26:24 alan_k Exp $*/class HTML_Template_Flexy_Compiler_Standard_Tag { /** * Parent Compiler for * * @var object HTML_Template_Flexy_Compiler * * @access public */ var $compiler; /** * * Factory method to create Tag Handlers * * $type = namespace eg. <flexy:toJavascript loads Flexy.php * the default is this... (eg. Tag) * * * @param string Namespace handler for element. * @param object HTML_Template_Flexy_Compiler * * * @return object tag compiler * @access public */ function &factory($type,&$compiler) { if (!$type) { $type = 'Tag'; } // if we dont have a handler - just use the basic handler. if (!file_exists(dirname(__FILE__) . '/'. ucfirst(strtolower($type)) . '.php')) { $type = 'Tag'; } include_once 'HTML/Template/Flexy/Compiler/Standard/' . ucfirst(strtolower($type)) . '.php'; $class = 'HTML_Template_Flexy_Compiler_Standard_' . $type; if (!class_exists($class)) { return false; } $ret = new $class; $ret->compiler = &$compiler; return $ret; } /** * The current element to parse.. * * @var object * @access public */ var $element; /** * Flag to indicate has attribute flexy:foreach (so you cant mix it with flexy:if!) * * @var boolean * @access public */ var $hasForeach = false; /** * toString - display tag, attributes, postfix and any code in attributes. * Note first thing it does is call any parseTag Method that exists.. * * * @see parent::toString() */ function toString($element) { global $_HTML_TEMPLATE_FLEXY_TOKEN; global $_HTML_TEMPLATE_FLEXY; // store the element in a variable $this->element = $element; // echo "toString: Line {$this->element->line} <{$this->element->tag}>\n"; // if the FLEXYSTARTCHILDREN flag was set, only do children // normally set in BODY tag. // this will probably be superseeded by the Class compiler. if (isset($element->ucAttributes['FLEXY:STARTCHILDREN'])) { return $element->compileChildren($this->compiler); } $flexyignore = $this->parseAttributeIgnore(); // rewriting should be done with a tag.../flag. $this->reWriteURL("HREF"); $this->reWriteURL("SRC"); // handle elements if (($ret =$this->_parseTags()) !== false) { return $ret; } // these add to the close tag.. $ret = $this->parseAttributeForeach(); $ret .= $this->parseAttributeIf(); // spit ou the tag and attributes. if ($element->oTag{0} == '?') { $ret .= '<?php echo "<"; ?>'; } else { $ret .= "<"; } $ret .= $element->oTag; foreach ($element->attributes as $k=>$v) { // if it's a flexy tag ignore it. if (strtoupper($k) == 'FLEXY:RAW') { if (!is_array($v) || !isset($v[1]) || !is_object($v[1])) { return HTML_Template_Flexy::raiseError( 'flexy:raw only accepts a variable or method call as an argument, eg.'. ' flexy:raw="{somevalue}" you provided something else.' . " Error on Line {$this->element->line} <{$this->element->tag}>", null, HTML_TEMPLATE_FLEXY_ERROR_DIE); } $add = $v[1]->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= ' ' . $add; continue; } if (strtoupper(substr($k,0,6)) == 'FLEXY:') { continue; } // true == an attribute without a ="xxx" if ($v === true) { $ret .= " $k"; continue; } // if it's a string just dump it. if (is_string($v)) { $ret .= " {$k}={$v}"; continue; } // normally the value is an array of string, however // if it is an object - then it's a conditional key. // eg. if (something) echo ' SELECTED'; // the object is responsible for adding it's space.. if (is_object($v)) { $add = $v->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; continue; } // otherwise its a key="sometext{andsomevars}" $ret .= " {$k}="; foreach($v as $item) { if (is_string($item)) { $ret .= $item; continue; } $add = $item->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; } } $ret .= ">"; // post stuff this is probably in the wrong place... if ($element->postfix) { foreach ($element->postfix as $e) { $add = $e->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; } } else if ($this->element->postfix) { // if postfixed by self.. foreach ($this->element->postfix as $e) { $add = $e->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; } } // dump contents of script raw - to prevent gettext additions.. // print_r($element); if ($element->tag == 'SCRIPT') { foreach($element->children as $c) { //print_R($c); if (!$c) { continue; } if ($c->token == 'Text') { $ret .= $c->value; continue; } // techically we shouldnt have anything else inside of script tags. // as the tokeinzer is supposted to ignore it.. } } else { $add = $element->compileChildren($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; } // output the closing tag. if ($element->close) { $add = $element->close->compile($this->compiler); if (is_a($add,'PEAR_Error')) { return $add; } $ret .= $add; } // reset flexyignore $_HTML_TEMPLATE_FLEXY_TOKEN['flexyIgnore'] = $flexyignore; if (isset($_HTML_TEMPLATE_FLEXY['currentOptions']['output.block']) && ($_HTML_TEMPLATE_FLEXY['currentOptions']['output.block'] == $element->getAttribute('ID'))) { // echo $_HTML_TEMPLATE_FLEXY['compiledTemplate']; $fh = fopen($_HTML_TEMPLATE_FLEXY['compiledTemplate'],'w'); fwrite($fh,$ret); fclose($fh); } return $ret; } /** * Reads an flexy:foreach attribute - * * * @return string to add to output. * @access public */ function parseAttributeIgnore() { global $_HTML_TEMPLATE_FLEXY_TOKEN; $flexyignore = $_HTML_TEMPLATE_FLEXY_TOKEN['flexyIgnore']; if ($this->element->getAttribute('FLEXY:IGNORE') !== false) { $_HTML_TEMPLATE_FLEXY_TOKEN['flexyIgnore'] = true; $this->element->clearAttribute('FLEXY:IGNORE'); } return $flexyignore; } /** * Reads an flexy:foreach attribute - * * * @return string to add to output. * @access public */ function parseAttributeForeach() { $foreach = $this->element->getAttribute('FLEXY:FOREACH'); if ($foreach === false) { return ''; } //var_dump($foreach); $this->element->hasForeach = true; // create a foreach element to wrap this with. $foreachObj = $this->element->factory('Foreach', explode(',',$foreach), $this->element->line); // failed = probably not enough variables.. if ($foreachObj === false) { return HTML_Template_Flexy::raiseError( "Missing Arguments: An flexy:foreach attribute was foundon Line {$this->element->line} in tag <{$this->element->tag} flexy:foreach="$foreach" .....><BR> the syntax is <sometag flexy:foreach="onarray,withvariable[,withanothervar] ><BR>", null, HTML_TEMPLATE_FLEXY_ERROR_DIE); } // does it have a closetag? if (!$this->element->close) { if ($this->element->getAttribute('/') === false) { return HTML_Template_Flexy::raiseError( "A flexy:foreach attribute was found in <{$this->element->name} tag without a corresponding </{$this->element->tag} tag on Line {$this->element->line} <{$this->element->tag}>", null, HTML_TEMPLATE_FLEXY_ERROR_DIE); } // it's an xhtml tag! $this->element->postfix = array($this->element->factory("End", '', $this->element->line)); } else { $this->element->close->postfix = array($this->element->factory("End", '', $this->element->line)); } $this->element->clearAttribute('FLEXY:FOREACH'); return $foreachObj->compile($this->compiler); } /** * Reads an flexy:if attribute - * * * @return string to add to output. * @access public */ function parseAttributeIf() { // dont use the together, if is depreciated.. $if = $this->element->getAttribute('FLEXY:IF'); if ($if === false) { return ''; } if (isset($this->element->hasForeach)) { return HTML_Template_Flexy::raiseError( "You may not use FOREACH and IF tags in the same tag on Line {$this->element->line} <{$this->element->tag}>", null, HTML_TEMPLATE_FLEXY_ERROR_DIE); } // allow if="!somevar" $ifnegative = ''; if ($if{0} == '!') { $ifnegative = '!'; $if = substr($if,1); } // if="xxxxx" // if="xxxx.xxxx()" - should create a method prefixed with 'if:' // these checks should really be in the if/method class..!!! if (!preg_match('/^[_A-Z][A-Z0-9_]*(\[[0-9]+\])?((\[|%5B)[A-Z0-9_]+(\]|%5D))*'. '(\.[_A-Z][A-Z0-9_]*((\[|%5B)[A-Z0-9_]+(\]|%5D))*)*(\\([^)]*\))?$/i',$if)) { return HTML_Template_Flexy::raiseError( "IF tags only accept simple object.variable or object.method() values on Line {$this->element->line} <{$this->element->tag}> {$if}", null, HTML_TEMPLATE_FLEXY_ERROR_DIE); } if (substr($if,-1) == ')') { // grab args.. $args = substr($if,strpos($if,'(')+1,-1); // simple explode ... $args = strlen(trim($args)) ? explode(',',$args) : array(); //print_R($args); // this is nasty... - we need to check for quotes = eg. # at beg. & end.. $args_clean = array(); for ($i=0; $i<count($args); $i++) { if ($args[$i]{0} != '#') { $args_clean[] = $args[$i]; continue; } // single # - so , must be inside.. if ((strlen($args[$i]) > 1) && ($args[$i]{strlen($args[$i])-1}=='#')) { $args_clean[] = $args[$i]; continue; } $args[$i] .=',' . $args[$i+1]; // remove args+1.. array_splice($args,$i+1,1); $i--; // reparse..
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