890 lines
28 KiB
PHP
890 lines
28 KiB
PHP
<?php
|
|
/**
|
|
* Integrated Template - IT
|
|
*
|
|
* PHP version 4
|
|
*
|
|
* Copyright (c) 1997-2007 Ulf Wendel, Pierre-Alain Joye,
|
|
* David Soria Parra
|
|
*
|
|
* This source file is subject to the New BSD license, That is bundled
|
|
* with this package in the file LICENSE, and is available through
|
|
* the world-wide-web at
|
|
* http://www.opensource.org/licenses/bsd-license.php
|
|
* If you did not receive a copy of the new BSDlicense and are unable
|
|
* to obtain it through the world-wide-web, please send a note to
|
|
* pajoye@php.net so we can mail you a copy immediately.
|
|
*
|
|
* Author: Ulf Wendel <ulf.wendel@phpdoc.de>
|
|
* Pierre-Alain Joye <pajoye@php.net>
|
|
* David Soria Parra <dsp@php.net>
|
|
*
|
|
* @category HTML
|
|
* @package HTML_Template_IT
|
|
* @author Ulf Wendel <uw@netuse.de>
|
|
* @license BSD http://www.opensource.org/licenses/bsd-license.php
|
|
* @version CVS: $Id: ITX.php 3 2017-06-22 07:32:17Z martin $
|
|
* @link http://pear.php.net/packages/HTML_Template_IT
|
|
* @access public
|
|
*/
|
|
|
|
require_once 'HTML/Template/IT.php';
|
|
require_once 'HTML/Template/IT_Error.php';
|
|
|
|
/**
|
|
* Integrated Template Extension - ITX
|
|
*
|
|
* With this class you get the full power of the phplib template class.
|
|
* You may have one file with blocks in it but you have as well one main file
|
|
* and multiple files one for each block. This is quite usefull when you have
|
|
* user configurable websites. Using blocks not in the main template allows
|
|
* you to modify some parts of your layout easily.
|
|
*
|
|
* Note that you can replace an existing block and add new blocks at runtime.
|
|
* Adding new blocks means changing a variable placeholder to a block.
|
|
*
|
|
* @category HTML
|
|
* @package HTML_Template_IT
|
|
* @author Ulf Wendel <uw@netuse.de>
|
|
* @license BSD http://www.opensource.org/licenses/bsd-license.php
|
|
* @link http://pear.php.net/packages/HTML_Template_IT
|
|
* @access public
|
|
*/
|
|
class HTML_Template_ITX extends HTML_Template_IT
|
|
{
|
|
/**
|
|
* Array with all warnings.
|
|
* @var array
|
|
* @access public
|
|
* @see $printWarning, $haltOnWarning, warning()
|
|
*/
|
|
var $warn = array();
|
|
|
|
/**
|
|
* Print warnings?
|
|
* @var array
|
|
* @access public
|
|
* @see $haltOnWarning, $warn, warning()
|
|
*/
|
|
var $printWarning = false;
|
|
|
|
/**
|
|
* Call die() on warning?
|
|
* @var boolean
|
|
* @access public
|
|
* @see $warn, $printWarning, warning()
|
|
*/
|
|
var $haltOnWarning = false;
|
|
|
|
/**
|
|
* RegExp used to test for a valid blockname.
|
|
* @var string
|
|
* @access private
|
|
*/
|
|
var $checkblocknameRegExp = '';
|
|
|
|
/**
|
|
* Functionnameprefix used when searching function calls in the template.
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
var $functionPrefix = 'func_';
|
|
|
|
/**
|
|
* Functionname RegExp.
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
var $functionnameRegExp = '[_a-zA-Z]+[A-Za-z_0-9]*';
|
|
|
|
/**
|
|
* RegExp used to grep function calls in the template.
|
|
*
|
|
* The variable gets set by the constructor.
|
|
*
|
|
* @access private
|
|
* @var string
|
|
* @see HTML_Template_IT()
|
|
*/
|
|
var $functionRegExp = '';
|
|
|
|
/**
|
|
* List of functions found in the template.
|
|
*
|
|
* @access private
|
|
* @var array
|
|
*/
|
|
var $functions = array();
|
|
|
|
/**
|
|
* List of callback functions specified by the user.
|
|
*
|
|
* @access private
|
|
* @var array
|
|
*/
|
|
var $callback = array();
|
|
|
|
/**
|
|
* Builds some complex regexps and calls the constructor
|
|
* of the parent class.
|
|
*
|
|
* Make sure that you call this constructor if you derive your own
|
|
* template class from this one.
|
|
*
|
|
* @param string $root Root node?
|
|
*
|
|
* @access public
|
|
* @see HTML_Template_IT()
|
|
*/
|
|
function HTML_Template_ITX($root = '')
|
|
{
|
|
|
|
$this->checkblocknameRegExp = '@' . $this->blocknameRegExp . '@';
|
|
|
|
$this->functionRegExp = '@' . $this->functionPrefix . '(' .
|
|
$this->functionnameRegExp . ')\s*\(@sm';
|
|
|
|
$this->HTML_Template_IT($root);
|
|
} // end func constructor
|
|
|
|
/**
|
|
* Clears all datafields of the object and rebuild the internal blocklist
|
|
*
|
|
* LoadTemplatefile() and setTemplate() automatically call this function
|
|
* when a new template is given. Don't use this function
|
|
* unless you know what you're doing.
|
|
*
|
|
* @access private
|
|
* @return null
|
|
*/
|
|
function init()
|
|
{
|
|
$this->free();
|
|
$this->buildFunctionlist();
|
|
$this->findBlocks($this->template);
|
|
|
|
// we don't need it any more
|
|
$this->template = '';
|
|
$this->buildBlockvariablelist();
|
|
|
|
} // end func init
|
|
|
|
/**
|
|
* Replaces an existing block with new content.
|
|
*
|
|
* This function will replace a block of the template and all blocks
|
|
* contained in the replaced block and add a new block insted, means
|
|
* you can dynamically change your template.
|
|
*
|
|
* Note that changing the template structure violates one of the IT[X]
|
|
* development goals. I've tried to write a simple to use template engine
|
|
* supporting blocks. In contrast to other systems IT[X] analyses the way
|
|
* you've nested blocks and knows which block belongs into another block.
|
|
* The nesting information helps to make the API short and simple. Replacing
|
|
* blocks does not only mean that IT[X] has to update the nesting
|
|
* information (relatively time consumpting task) but you have to make sure
|
|
* that you do not get confused due to the template change itself.
|
|
*
|
|
* @param string $block Blockname
|
|
* @param string $template Blockcontent
|
|
* @param boolean $keep_content true if the new block inherits the content
|
|
* of the old block
|
|
*
|
|
* @return boolean
|
|
* @throws IT_Error
|
|
* @see replaceBlockfile(), addBlock(), addBlockfile()
|
|
* @access public
|
|
*/
|
|
function replaceBlock($block, $template, $keep_content = false)
|
|
{
|
|
if (!isset($this->blocklist[$block])) {
|
|
return new IT_Error("The block "."'$block'".
|
|
" does not exist in the template and thus it can't be replaced.",
|
|
__FILE__, __LINE__);
|
|
}
|
|
|
|
if ($template == '') {
|
|
return new IT_Error('No block content given.', __FILE__, __LINE__);
|
|
}
|
|
|
|
if ($keep_content) {
|
|
$blockdata = $this->blockdata[$block];
|
|
}
|
|
|
|
// remove all kinds of links to the block / data of the block
|
|
$this->removeBlockData($block);
|
|
|
|
$template = "<!-- BEGIN $block -->" . $template . "<!-- END $block -->";
|
|
$parents = $this->blockparents[$block];
|
|
|
|
$this->findBlocks($template);
|
|
$this->blockparents[$block] = $parents;
|
|
|
|
// KLUDGE: rebuild the list for all block - could be done faster
|
|
$this->buildBlockvariablelist();
|
|
|
|
if ($keep_content) {
|
|
$this->blockdata[$block] = $blockdata;
|
|
}
|
|
|
|
// old TODO - I'm not sure if we need this
|
|
// update caches
|
|
|
|
return true;
|
|
} // end func replaceBlock
|
|
|
|
/**
|
|
* Replaces an existing block with new content from a file.
|
|
*
|
|
* @param string $block Blockname
|
|
* @param string $filename Name of the file that contains the blockcontent
|
|
* @param boolean $keep_content true if the new block inherits the content of
|
|
* the old block
|
|
*
|
|
* @brother replaceBlock()
|
|
* @access public
|
|
* @return null
|
|
*/
|
|
function replaceBlockfile($block, $filename, $keep_content = false)
|
|
{
|
|
return $this->replaceBlock($block, $this->getFile($filename), $keep_content);
|
|
} // end func replaceBlockfile
|
|
|
|
/**
|
|
* Adds a block to the template changing a variable placeholder
|
|
* to a block placeholder.
|
|
*
|
|
* Add means "replace a variable placeholder by a new block".
|
|
* This is different to PHPLibs templates. The function loads a
|
|
* block, creates a handle for it and assigns it to a certain
|
|
* variable placeholder. To to the same with PHPLibs templates you would
|
|
* call set_file() to create the handle and parse() to assign the
|
|
* parsed block to a variable. By this PHPLibs templates assume
|
|
* that you tend to assign a block to more than one one placeholder.
|
|
* To assign a parsed block to more than only the placeholder you specify
|
|
* in this function you have to use a combination of getBlock()
|
|
* and setVariable().
|
|
*
|
|
* As no updates to cached data is necessary addBlock() and addBlockfile()
|
|
* are rather "cheap" meaning quick operations.
|
|
*
|
|
* The block content must not start with <!-- BEGIN blockname -->
|
|
* and end with <!-- END blockname --> this would cause overhead and
|
|
* produce an error.
|
|
*
|
|
* @param string $placeholder Name of the variable placeholder, the name
|
|
* must be unique within the template.
|
|
* @param string $blockname Name of the block to be added
|
|
* @param string $template Content of the block
|
|
*
|
|
* @return boolean
|
|
* @throws IT_Error
|
|
* @see addBlockfile()
|
|
* @access public
|
|
*/
|
|
function addBlock($placeholder, $blockname, $template)
|
|
{
|
|
// Don't trust any user even if it's a programmer or yourself...
|
|
if ($placeholder == '') {
|
|
return new IT_Error('No variable placeholder given.',
|
|
__FILE__, __LINE__);
|
|
} elseif ($blockname == '' ||
|
|
!preg_match($this->checkblocknameRegExp, $blockname)
|
|
) {
|
|
return new IT_Error("No or invalid blockname '$blockname' given.",
|
|
__FILE__, __LINE__);
|
|
} elseif ($template == '') {
|
|
return new IT_Error('No block content given.', __FILE__, __LINE__);
|
|
} elseif (isset($this->blocklist[$blockname])) {
|
|
return new IT_Error('The block already exists.',
|
|
__FILE__, __LINE__);
|
|
}
|
|
|
|
// find out where to insert the new block
|
|
$parents = $this->findPlaceholderBlocks($placeholder);
|
|
if (count($parents) == 0) {
|
|
|
|
return new IT_Error("The variable placeholder".
|
|
" '$placeholder' was not found in the template.",
|
|
__FILE__, __LINE__);
|
|
|
|
} elseif (count($parents) > 1) {
|
|
|
|
reset($parents);
|
|
while (list($k, $parent) = each($parents)) {
|
|
$msg .= "$parent, ";
|
|
}
|
|
$msg = substr($parent, -2);
|
|
|
|
return new IT_Error("The variable placeholder "."'$placeholder'".
|
|
" must be unique, found in multiple blocks '$msg'.",
|
|
__FILE__, __LINE__);
|
|
}
|
|
|
|
$template = "<!-- BEGIN $blockname -->"
|
|
. $template
|
|
. "<!-- END $blockname -->";
|
|
$this->findBlocks($template);
|
|
if ($this->flagBlocktrouble) {
|
|
return false; // findBlocks() already throws an exception
|
|
}
|
|
|
|
$this->blockinner[$parents[0]][] = $blockname;
|
|
|
|
$escblockname = '__' . $blockname . '__';
|
|
|
|
$this->blocklist[$parents[0]] = preg_replace(
|
|
'@' . $this->openingDelimiter . $placeholder .
|
|
$this->closingDelimiter . '@',
|
|
$this->openingDelimiter . $escblockname . $this->closingDelimiter,
|
|
$this->blocklist[$parents[0]]
|
|
);
|
|
|
|
$this->deleteFromBlockvariablelist($parents[0], $placeholder);
|
|
$this->updateBlockvariablelist($blockname);
|
|
|
|
return true;
|
|
} // end func addBlock
|
|
|
|
/**
|
|
* Adds a block taken from a file to the template changing a variable
|
|
* placeholder to a block placeholder.
|
|
*
|
|
* @param string $placeholder Name of the variable placeholder to be converted
|
|
* @param string $blockname Name of the block to be added
|
|
* @param string $filename File that contains the block
|
|
*
|
|
* @brother addBlock()
|
|
* @access public
|
|
* @return null
|
|
*/
|
|
function addBlockfile($placeholder, $blockname, $filename)
|
|
{
|
|
return $this->addBlock($placeholder, $blockname, $this->getFile($filename));
|
|
} // end func addBlockfile
|
|
|
|
/**
|
|
* Returns the name of the (first) block that contains
|
|
* the specified placeholder.
|
|
*
|
|
* @param string $placeholder Name of the placeholder you're searching
|
|
* @param string $block Name of the block to scan. If left out (default)
|
|
* all blocks are scanned.
|
|
*
|
|
* @return string Name of the (first) block that contains
|
|
* the specified placeholder.
|
|
* If the placeholder was not found or an error occured
|
|
* an empty string is returned.
|
|
* @throws IT_Error
|
|
* @access public
|
|
*/
|
|
function placeholderExists($placeholder, $block = '')
|
|
{
|
|
if ($placeholder == '') {
|
|
new IT_Error('No placeholder name given.', __FILE__, __LINE__);
|
|
return '';
|
|
}
|
|
|
|
if ($block != '' && !isset($this->blocklist[$block])) {
|
|
new IT_Error("Unknown block '$block'.", __FILE__, __LINE__);
|
|
return '';
|
|
}
|
|
|
|
// name of the block where the given placeholder was found
|
|
$found = '';
|
|
|
|
if ($block != '') {
|
|
if (is_array($variables = $this->blockvariables[$block])) {
|
|
// search the value in the list of blockvariables
|
|
reset($variables);
|
|
while (list($k, $variable) = each($variables)) {
|
|
if ($k == $placeholder) {
|
|
$found = $block;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
|
|
// search all blocks and return the name of the first block that
|
|
// contains the placeholder
|
|
reset($this->blockvariables);
|
|
while (list($blockname, $variables) = each($this->blockvariables)) {
|
|
if (is_array($variables) && isset($variables[$placeholder])) {
|
|
$found = $blockname;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $found;
|
|
} // end func placeholderExists
|
|
|
|
/**
|
|
* Checks the list of function calls in the template and
|
|
* calls their callback function.
|
|
*
|
|
* @access public
|
|
* @return null
|
|
*/
|
|
function performCallback()
|
|
{
|
|
reset($this->functions);
|
|
while (list($func_id, $function) = each($this->functions)) {
|
|
if (isset($this->callback[$function['name']])) {
|
|
if ($this->callback[$function['name']]['expandParameters']) {
|
|
$callFunction = 'call_user_func_array';
|
|
} else {
|
|
$callFunction = 'call_user_func';
|
|
}
|
|
|
|
if ($this->callback[$function['name']]['object'] != '') {
|
|
$call = $callFunction(
|
|
array(
|
|
&$GLOBALS[$this->callback[$function['name']]['object']],
|
|
$this->callback[$function['name']]['function']),
|
|
$function['args']);
|
|
|
|
} else {
|
|
$call = $callFunction(
|
|
$this->callback[$function['name']]['function'],
|
|
$function['args']);
|
|
}
|
|
$this->variableCache['__function' . $func_id . '__'] = $call;
|
|
}
|
|
}
|
|
|
|
} // end func performCallback
|
|
|
|
/**
|
|
* Returns a list of all function calls in the current template.
|
|
*
|
|
* @return array
|
|
* @access public
|
|
*/
|
|
function getFunctioncalls()
|
|
{
|
|
return $this->functions;
|
|
} // end func getFunctioncalls
|
|
|
|
/**
|
|
* Replaces a function call with the given replacement.
|
|
*
|
|
* @param int $functionID Function ID
|
|
* @param string $replacement Replacement
|
|
*
|
|
* @access public
|
|
* @deprecated
|
|
* @return null
|
|
*/
|
|
function setFunctioncontent($functionID, $replacement)
|
|
{
|
|
$this->variableCache['__function' . $functionID . '__'] = $replacement;
|
|
} // end func setFunctioncontent
|
|
|
|
/**
|
|
* Sets a callback function.
|
|
*
|
|
* IT[X] templates (note the X) can contain simple function calls.
|
|
* "function call" means that the editor of the template can add
|
|
* special placeholder to the template like 'func_h1("embedded in h1")'.
|
|
* IT[X] will grab this function calls and allow you to define a callback
|
|
* function for them.
|
|
*
|
|
* This is an absolutely evil feature. If your application makes heavy
|
|
* use of such callbacks and you're even implementing if-then etc. on
|
|
* the level of a template engine you're reiventing the wheel... - that's
|
|
* actually how PHP came into life. Anyway, sometimes it's handy.
|
|
*
|
|
* Consider also using XML/XSLT or native PHP. And please do not push
|
|
* IT[X] any further into this direction of adding logics to the template
|
|
* engine.
|
|
*
|
|
* For those of you ready for the X in IT[X]:
|
|
*
|
|
* <?php
|
|
* ...
|
|
* function h_one($args) {
|
|
* return sprintf('<h1>%s</h1>', $args[0]);
|
|
* }
|
|
*
|
|
* ...
|
|
* $itx = new HTML_Template_ITX(...);
|
|
* ...
|
|
* $itx->setCallbackFunction('h1', 'h_one');
|
|
* $itx->performCallback();
|
|
* ?>
|
|
*
|
|
* template:
|
|
* func_h1('H1 Headline');
|
|
*
|
|
* @param string $tplfunction Function name in the template
|
|
* @param string $callbackfunction Name of the callback function
|
|
* @param string $callbackobject Name of the callback object
|
|
* @param boolean $expandCallbackParameters If the callback is called with
|
|
* a list of parameters or with an
|
|
* array holding the parameters
|
|
*
|
|
* @return boolean False on failure.
|
|
* @throws IT_Error
|
|
* @access public
|
|
* @deprecated The $callbackobject parameter is depricated since
|
|
* version 1.2 and might be dropped in further versions.
|
|
*/
|
|
function setCallbackFunction($tplfunction, $callbackfunction,
|
|
$callbackobject = '',
|
|
$expandCallbackParameters = false) {
|
|
if ($tplfunction == '' || $callbackfunction == '') {
|
|
return new IT_Error("No template function "."('$tplfunction')".
|
|
" and/or no callback function ('$callback') given.",
|
|
__FILE__, __LINE__);
|
|
}
|
|
$this->callback[$tplfunction] = array(
|
|
'function' => $callbackfunction,
|
|
'object' => $callbackobject,
|
|
'expandParameters' => (boolean)
|
|
$expandCallbackParameters);
|
|
|
|
return true;
|
|
} // end func setCallbackFunction
|
|
|
|
/**
|
|
* Sets the Callback function lookup table
|
|
*
|
|
* @param array $functions function table
|
|
* array[templatefunction] =
|
|
* array(
|
|
* "function" => userfunction,
|
|
* "object" => userobject
|
|
* )
|
|
*
|
|
* @access public
|
|
* @return null
|
|
*/
|
|
function setCallbackFuntiontable($functions)
|
|
{
|
|
$this->callback = $functions;
|
|
} // end func setCallbackFunctiontable
|
|
|
|
/**
|
|
* Recursively removes all data assiciated with a block, including
|
|
* all inner blocks
|
|
*
|
|
* @param string $block block to be removed
|
|
*
|
|
* @return null
|
|
* @access private
|
|
*/
|
|
function removeBlockData($block)
|
|
{
|
|
if (isset($this->blockinner[$block])) {
|
|
foreach ($this->blockinner[$block] as $k => $inner) {
|
|
$this->removeBlockData($inner);
|
|
}
|
|
|
|
unset($this->blockinner[$block]);
|
|
}
|
|
|
|
unset($this->blocklist[$block]);
|
|
unset($this->blockdata[$block]);
|
|
unset($this->blockvariables[$block]);
|
|
unset($this->touchedBlocks[$block]);
|
|
|
|
} // end func removeBlockinner
|
|
|
|
/**
|
|
* Returns a list of blocknames in the template.
|
|
*
|
|
* @return array [blockname => blockname]
|
|
* @access public
|
|
* @see blockExists()
|
|
*/
|
|
function getBlocklist()
|
|
{
|
|
$blocklist = array();
|
|
foreach ($this->blocklist as $block => $content) {
|
|
$blocklist[$block] = $block;
|
|
}
|
|
|
|
return $blocklist;
|
|
} // end func getBlocklist
|
|
|
|
/**
|
|
* Checks wheter a block exists.
|
|
*
|
|
* @param string $blockname Blockname
|
|
*
|
|
* @return boolean
|
|
* @access public
|
|
* @see getBlocklist()
|
|
*/
|
|
function blockExists($blockname)
|
|
{
|
|
return isset($this->blocklist[$blockname]);
|
|
} // end func blockExists
|
|
|
|
/**
|
|
* Returns a list of variables of a block.
|
|
*
|
|
* @param string $block Blockname
|
|
*
|
|
* @return array [varname => varname]
|
|
* @access public
|
|
* @see BlockvariableExists()
|
|
*/
|
|
function getBlockvariables($block)
|
|
{
|
|
if (!isset($this->blockvariables[$block])) {
|
|
return array();
|
|
}
|
|
|
|
$variables = array();
|
|
foreach ($this->blockvariables[$block] as $variable => $v) {
|
|
$variables[$variable] = $variable;
|
|
}
|
|
|
|
return $variables;
|
|
} // end func getBlockvariables
|
|
|
|
/**
|
|
* Checks wheter a block variable exists.
|
|
*
|
|
* @param string $block Blockname
|
|
* @param string $variable Variablename
|
|
*
|
|
* @return boolean
|
|
* @access public
|
|
* @see getBlockvariables()
|
|
*/
|
|
function BlockvariableExists($block, $variable)
|
|
{
|
|
return isset($this->blockvariables[$block][$variable]);
|
|
} // end func BlockvariableExists
|
|
|
|
/**
|
|
* Builds a functionlist from the template.
|
|
*
|
|
* @access private
|
|
* @return null
|
|
*/
|
|
function buildFunctionlist()
|
|
{
|
|
$this->functions = array();
|
|
|
|
$template = $this->template;
|
|
|
|
$num = 0;
|
|
|
|
while (preg_match($this->functionRegExp, $template, $regs)) {
|
|
|
|
$pos = strpos($template, $regs[0]);
|
|
|
|
$template = substr($template, $pos + strlen($regs[0]));
|
|
|
|
$head = $this->getValue($template, ')');
|
|
$args = array();
|
|
|
|
$search = $regs[0] . $head . ')';
|
|
|
|
$replace = $this->openingDelimiter .
|
|
'__function' . $num . '__' .
|
|
$this->closingDelimiter;
|
|
|
|
$this->template = str_replace($search, $replace, $this->template);
|
|
$template = str_replace($search, $replace, $template);
|
|
|
|
while ($head != '' && $args2 = $this->getValue($head, ',')) {
|
|
$arg2 = trim($args2);
|
|
|
|
$args[] = ('"' == $arg2{0} || "'" == $arg2{0}) ?
|
|
substr($arg2, 1, -1) : $arg2;
|
|
|
|
if ($arg2 == $head) {
|
|
break;
|
|
}
|
|
$head = substr($head, strlen($arg2) + 1);
|
|
}
|
|
|
|
$this->functions[$num++] = array('name' => $regs[1],
|
|
'args' => $args);
|
|
}
|
|
|
|
} // end func buildFunctionlist
|
|
|
|
/**
|
|
* Truncates the given code from the first occurence of
|
|
* $delimiter but ignores $delimiter enclosed by " or '.
|
|
*
|
|
* @param string $code The code which should be parsed
|
|
* @param string $delimiter The delimiter char
|
|
*
|
|
* @access private
|
|
* @return string
|
|
* @see buildFunctionList()
|
|
*/
|
|
function getValue($code, $delimiter)
|
|
{
|
|
if ($code == '') {
|
|
return '';
|
|
}
|
|
|
|
if (!is_array($delimiter)) {
|
|
$delimiter = array($delimiter => true);
|
|
}
|
|
|
|
$len = strlen($code);
|
|
$enclosed = false;
|
|
$enclosed_by = '';
|
|
|
|
if (isset($delimiter[$code[0]])) {
|
|
$i = 1;
|
|
} else {
|
|
for ($i = 0; $i < $len; ++$i) {
|
|
$char = $code[$i];
|
|
|
|
if (($char == '"' || $char == "'")
|
|
&& ($char == $enclosed_by || '' == $enclosed_by)
|
|
&& (0 == $i || ($i > 0 && '\\' != $code[$i - 1]))
|
|
) {
|
|
|
|
if (!$enclosed) {
|
|
$enclosed_by = $char;
|
|
} else {
|
|
$enclosed_by = "";
|
|
}
|
|
$enclosed = !$enclosed;
|
|
|
|
}
|
|
|
|
if (!$enclosed && isset($delimiter[$char])) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return substr($code, 0, $i);
|
|
} // end func getValue
|
|
|
|
/**
|
|
* Deletes one or many variables from the block variable list.
|
|
*
|
|
* @param string $block Blockname
|
|
* @param mixed $variables Name of one variable or array of variables
|
|
* (array (name => true ) ) to be stripped.
|
|
*
|
|
* @access private
|
|
* @return null
|
|
*/
|
|
function deleteFromBlockvariablelist($block, $variables)
|
|
{
|
|
if (!is_array($variables)) {
|
|
$variables = array($variables => true);
|
|
}
|
|
|
|
reset($this->blockvariables[$block]);
|
|
while (list($varname, $val) = each($this->blockvariables[$block])) {
|
|
if (isset($variables[$varname])) {
|
|
unset($this->blockvariables[$block][$varname]);
|
|
}
|
|
}
|
|
} // end deleteFromBlockvariablelist
|
|
|
|
/**
|
|
* Updates the variable list of a block.
|
|
*
|
|
* @param string $block Blockname
|
|
*
|
|
* @access private
|
|
* @return null
|
|
*/
|
|
function updateBlockvariablelist($block)
|
|
{
|
|
preg_match_all(
|
|
$this->variablesRegExp,
|
|
$this->blocklist[$block], $regs
|
|
);
|
|
|
|
if (count($regs[1]) != 0) {
|
|
foreach ($regs[1] as $k => $var) {
|
|
$this->blockvariables[$block][$var] = true;
|
|
}
|
|
} else {
|
|
$this->blockvariables[$block] = array();
|
|
}
|
|
|
|
// check if any inner blocks were found
|
|
if (isset($this->blockinner[$block])
|
|
&& is_array($this->blockinner[$block])
|
|
&& count($this->blockinner[$block]) > 0
|
|
) {
|
|
/*
|
|
* loop through inner blocks, registering the variable
|
|
* placeholders in each
|
|
*/
|
|
foreach ($this->blockinner[$block] as $childBlock) {
|
|
$this->updateBlockvariablelist($childBlock);
|
|
}
|
|
}
|
|
} // end func updateBlockvariablelist
|
|
|
|
/**
|
|
* Returns an array of blocknames where the given variable
|
|
* placeholder is used.
|
|
*
|
|
* @param string $variable Variable placeholder
|
|
*
|
|
* @return array $parents parents[0..n] = blockname
|
|
* @access public
|
|
*/
|
|
function findPlaceholderBlocks($variable)
|
|
{
|
|
$parents = array();
|
|
reset($this->blocklist);
|
|
while (list($blockname, $content) = each($this->blocklist)) {
|
|
reset($this->blockvariables[$blockname]);
|
|
|
|
while (list($varname, $val) = each($this->blockvariables[$blockname])) {
|
|
if ($variable == $varname) {
|
|
$parents[] = $blockname;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $parents;
|
|
} // end func findPlaceholderBlocks
|
|
|
|
/**
|
|
* Handles warnings, saves them to $warn and prints them or
|
|
* calls die() depending on the flags
|
|
*
|
|
* @param string $message Warning
|
|
* @param string $file File where the warning occured
|
|
* @param int $line Linenumber where the warning occured
|
|
*
|
|
* @see $warn, $printWarning, $haltOnWarning
|
|
* @access private
|
|
* @return null
|
|
*/
|
|
function warning($message, $file = '', $line = 0)
|
|
{
|
|
$message = sprintf(
|
|
'HTML_Template_ITX Warning: %s [File: %s, Line: %d]',
|
|
$message,
|
|
$file,
|
|
$line
|
|
);
|
|
|
|
$this->warn[] = $message;
|
|
|
|
if ($this->printWarning) {
|
|
print $message;
|
|
}
|
|
|
|
if ($this->haltOnWarning) {
|
|
die($message);
|
|
}
|
|
} // end func warning
|
|
|
|
} // end class HTML_Template_ITX
|
|
?>
|