Viewing file:  CustomFlexyAttributes.php (8.65 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?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: Rick < reick at coalescentdesign dot com > |
// +----------------------------------------------------------------------+
//
/** Class called from HTML_Template_Flexy_Compiler_Flexy_Tag's toString() method.
* For handling new custom flexy namespaced attributes.
*/
class HTML_Template_Flexy_Compiler_Flexy_CustomFlexyAttributes
{
/**
* doCustomAttributes
* - for every flexy namespaced attribute found in the element parameter,
* if there is a method here to handle it then call the method.
*
* @params object HTML_Template_Flexy_Token
* @return none
* @access public
*/
function doCustomAttributes(&$element)
{
foreach ($element->ucAttributes as $key=>$value) {
list($namespace,$attribute) = (strpos($key, ":") > -1) ? explode(':',$key) : array("", $key);
$method = strtolower($attribute) . 'Attribute';
if (strtolower($namespace) != 'flexy') {
continue;
}
if ((strlen($attribute)) && (method_exists($this,$method))) {
$this->{$method}($element, $element->getAttribute($key));
}
}
}
/**
* flexy:content attribute handler
*
* Examples:
* <anyTag... flexy:content="methodOrVariableOrNothing" .../>
* <anyTag... flexy:content="methodOrVariableOrNothing" ...></anyTag>
* <anyTag... flexy:content="methodOrVariableOrNothing" ...>All this <b>CONTENT</b> will be <i>replaced<i> by
* the result of methodOrVariableOrNothing</anyTag>
*
* Replaces element content with the result of the variable or method call or empty string.
* Useful for replacing example content/html from the compiled template, while keeping it in the source
* template for viewing when not running php. The example content/html will be replaced by dynamic content at run-time.
*
* Substitute for <anyTag...>{methodOrVariable}</anyTag>
*
* @params object HTML_Template_Flexy_Token
* @params string attribute value
* @return none
* @access private
*/
function contentAttribute(&$element,$val)
{
// assign method or variable $val as the child token of this element, potentially replacing any existing children
// default: special case if $val is empty - simply set children to null
$element->children = null;
if (! empty($val)) {
$this->replaceChildren($element,$val);
}
// do we have to add a seperate closing tag token to surround the content within...
if ($element->close) {
return;
}
if ($element->getAttribute('/') !== false) {
// valid xhtml (eg. <tag />)
// remove the '/' since we must add a seperate closing tag token to surround the content within
unset($element->attributes['/']);
unset($element->ucAttributes['/']);
} else {
// FIXME: error not valid xhtml
}
// add a seperate closing tag token to surround the content within
$element->close = $element->factory("EndTag",array('/'.$element->oTag), $element->line);
}
/**
* flexy:replace attribute handler
*
* Examples:
* <anyTag... flexy:replace="methodOrVariableOrNothing" .../>
* <anyTag... flexy:replace="methodOrVariableOrNothing" ...></anyTag>
* <anyTag... flexy:replace="methodOrVariableOrNothing" ...>Entire <b>element</b> including tag <i>replaced<i> by
* the result of methodOrVariableOrNothing</anyTag>
*
* Replaces entire element with the result of the variable or method call or empty string.
* Useful for removing example html from the compiled template, while keeping it in the source template for viewing
* when not running php. The example html will be replaced by dynamic content at run-time.
*
* Substitute for {methodOrVariable}
*
* @params object HTML_Template_Flexy_Token
* @params string attribute value
* @return none
* @access private
*/
function replaceAttribute(&$element,$val)
{
// Setting tag to empty will prevent the opening and closing tags from beinging displayed
$element->tag = null;
$element->oTag = null;
// assign method or variable $val as the child token of this element, potentially replacing any existing children
// special case if $val is empty - simply set children to null
$element->children = null;
if (! empty($val)) {
//echo '<br/>VAL IS: ' . $val;
$this->replaceChildren($element,$val);
}
}
/**
* flexy:omittag attribute handler
* <... flexy:omittag ...>
* <... flexy:omittag="" ...>
* <... flexy:omittag="anything" ...>
* Removes the tag but keeps the contents of the element including child elements. This is
* useful for flexy:if and flexy:foreach when the tag isn't wanted but you would
* prefer not to use {} placeholders for conditionals and loops.
*
* @params object HTML_Template_Flexy_Token
* @params string attribute value
* @return none
* @access private
*/
function omittagAttribute(&$element,$val)
{
// Setting tag to empty will prevent the opening and closing tags from beinging displayed
$element->tag = null;
$element->oTag = null;
}
/**
* replaceChildren
* - replaces element children with the method or variable Token generated from the $val parameter
*
* @params object HTML_Template_Flexy_Token
* @params string attribute value
* @return none
* @access private
*/
function replaceChildren(&$element,&$val)
{
// Most of the this method is borrowed from parseAttributeIf() in HTML_Template_Flexy_Compiler_Flexy_Tag
// If this is a method, not a variable (last character is ')' )...
if (substr($val,-1) == ')') {
// grab args..
$args = substr($val,strpos($val,'(')+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..
$args_clean = array();
// clean all method arguments...
for ($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..
}
//echo('<br/>VAL: ' . $val . ' is seen as method');
$childToken = $element->factory('Method',array(substr($val,0,strpos($val,'(')), $args_clean), $element->line);
} else {
//echo('<br/>VAL: ' . $val . ' is seen as var');
$childToken = $element->factory('Var', '{'.$val.'}', $element->line);
}
$element->children = array($childToken);
// move flexy:if's End postfix of the start tag to the child token
if (!$element->close && $element->postfix) {
$element->children = array_merge($element->children, $element->postfix);
$element->postfix = '';
}
}
}
|