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218
HTML/Template/Flexy/Compiler/Standard/Flexy.php
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218
HTML/Template/Flexy/Compiler/Standard/Flexy.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Alan Knowles <alan@akkbhome.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Flexy.php,v 1.15 2004/06/24 06:12:06 alan_k Exp $
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//
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// Handler code for the <flexy: namespace
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//
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/**
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* the <flexy:XXXX namespace
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*
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*
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* at present it handles
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* <flexy:toJavascript flexy:prefix="Javascript_prefix" javscriptName="PHPvar" .....>
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* <flexy:include src="xxx.htm">
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*
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*
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*
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* @version $Id: Flexy.php,v 1.15 2004/06/24 06:12:06 alan_k Exp $
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*/
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class HTML_Template_Flexy_Compiler_Standard_Flexy {
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/**
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* Parent Compiler for
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*
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* @var object HTML_Template_Flexy_Compiler
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*
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* @access public
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*/
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var $compiler;
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/**
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* The current element to parse..
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*
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* @var object
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* @access public
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*/
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var $element;
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/**
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* toString - display tag, attributes, postfix and any code in attributes.
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* Relays into namspace::method to get results..
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*
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*
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* @see parent::toString()
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*/
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function toString($element)
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{
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list($namespace,$method) = explode(':',$element->oTag);
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if (!strlen($method)) {
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return '';
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}
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// things we dont handle...
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if (!method_exists($this,$method.'ToString')) {
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return '';
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}
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return $this->{$method.'ToString'}($element);
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}
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/**
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* toJavascript handler
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* <flexy:toJavascript flexy:prefix="some_prefix_" javascriptval="php.val" ....>
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*
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* @see parent::toString()
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*/
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function toJavascriptToString($element)
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{
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$ret = $this->compiler->appendPhp( "require_once 'HTML/Javascript/Convert.php';");
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$ret .= $this->compiler->appendHTML("\n<script type='text/javascript'>\n");
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$prefix = ''. $element->getAttribute('FLEXY:PREFIX');
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foreach ($element->attributes as $k=>$v) {
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// skip directives..
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if (strpos($k,':')) {
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continue;
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}
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if ($k == '/') {
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continue;
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}
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$v = substr($v,1,-1);
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$ret .= $this->compiler->appendPhp(
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'$__tmp = HTML_Javascript_Convert::convertVar('.$element->toVar($v) .',\''.$prefix . $k.'\',true);'.
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'echo (is_a($__tmp,"PEAR_Error")) ? ("<pre>".print_r($__tmp,true)."</pre>") : $__tmp;');
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$ret .= $this->compiler->appendHTML("\n");
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}
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$ret .= $this->compiler->appendHTML("</script>");
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return $ret;
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}
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/**
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* include handler
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* <flexy:include src="test.html">
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*
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* @see parent::toString()
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*/
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function includeToString($element)
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{
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// this is disabled by default...
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// we ignore modifier pre/suffix
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$arg = $element->getAttribute('SRC');
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if (!$arg) {
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return $this->compiler->appendHTML("<B>Flexy:Include without a src=filename</B>");
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}
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// ideally it would be nice to embed the results of one template into another.
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// however that would involve some complex test which would have to stat
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// the child templates anyway..
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// compile the child template....
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// output... include $this->options['compiled_templates'] . $arg . $this->options['locale'] . '.php'
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return $this->compiler->appendPHP( "\n".
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"\$x = new HTML_Template_Flexy(\$this->options);\n".
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"\$x->compile('{$arg}');\n".
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"\$x->outputObject(\$t);\n"
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);
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}
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/**
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* Convert flexy tokens to HTML_Template_Flexy_Elements.
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*
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* @param object token to convert into a element.
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* @return object HTML_Template_Flexy_Element
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* @access public
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*/
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function toElement($element)
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{
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return '';
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}
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/**
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* Handler for User defined functions in templates..
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* <flexy:function name="xxxxx">.... </flexy:block> // equivilant to function xxxxx() {
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* <flexy:function call="{xxxxx}">.... </flexy:block> // equivilant to function {$xxxxx}() {
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* <flexy:function call="xxxxx">.... </flexy:block> // equivilant to function {$xxxxx}() {
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*
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* This will not handle nested blocks initially!! (and may cause even more problems with
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* if /foreach stuff..!!
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*
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* @param object token to convert into a element.
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* @access public
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*/
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function functionToString($element)
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{
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if ($arg = $element->getAttribute('NAME')) {
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// this is a really kludgy way of doing this!!!
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// hopefully the new Template Package will have a sweeter method..
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$GLOBALS['_HTML_TEMPLATE_FLEXY']['prefixOutput'] .=
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$this->compiler->appendPHP(
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"\nfunction _html_template_flexy_compiler_standard_flexy_{$arg}(\$t,\$this) {\n").
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$element->compileChildren($this->compiler) .
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$this->compiler->appendPHP( "\n}\n");
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return '';
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}
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if (!isset($element->ucAttributes['CALL'])) {
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return HTML_Template_Flexy::raiseError(
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' tag flexy:function needs an argument call or name'.
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" Error on Line {$element->line} <{$element->tag}>",
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null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
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}
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// call is a stirng : nice and simple..
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if (is_string($element->ucAttributes['CALL'])) {
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$arg = $element->getAttribute('CALL');
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return $this->compiler->appendPHP(
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"if (function_exists('_html_template_flexy_compiler_standard_flexy_'.{$arg})) " .
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" _html_template_flexy_compiler_standard_flexy_{$arg}(\$t,\$this);");
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}
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// we make a big assumption here.. - it should really be error checked..
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// that the {xxx} element is item 1 in the list...
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$e=$element->ucAttributes['CALL'][1];
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$add = $e->toVar($e->value);
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if (is_a($add,'PEAR_Error')) {
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return $add;
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}
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return $this->compiler->appendPHP(
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"if (function_exists('_html_template_flexy_compiler_standard_flexy_'.{$add})) ".
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"call_user_func_array('_html_template_flexy_compiler_standard_flexy_'.{$add},array(\$t,\$this));");
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}
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}
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