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