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<?php
/**
* Additional tools for HTML_Template_PHPLIB
*
* PHP Versions 4 and 5
*
* @category HTML
* @package HTML_Template_PHPLIB
* @author Christian Weiske <cweiske@php.net>
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id$
* @link http://pear.php.net/package/HTML_Template_PHPLIB
*/
require_once 'HTML/Template/PHPLIB/Helper.php';
/**
* Generates code to be used with templates
*
* @category HTML
* @package HTML_Template_PHPLIB
* @author Christian Weiske <cweiske@php.net>
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @link http://pear.php.net/package/HTML_Template_PHPLIB
*/
class HTML_Template_PHPLIB_Generator
{
/**
* Creates the code to use a given template file
*
* @param string $strFile Template file
* @param string $strTplName Template reference name
* @param string $strPrefix Prefix to prepend before the code
*
* @return string PHP code
*/
function getCodeBlockDefinition(
$strFile, $strTplName = null, $strPrefix = '$tpl'
) {
$arBlocks = HTML_Template_PHPLIB_Generator::getBlocks(
HTML_Template_PHPLIB_Helper::getLines($strFile)
);
if ($strTplName === null) {
$strTplName
= HTML_Template_PHPLIB_Generator::getTemplateNameFromFilename(
$strFile
);
}
$nl = "\r\n";
$code = '';
$code .= $strPrefix . ' = new HTML_Template_PHPLIB();' . $nl;
$code .= HTML_Template_PHPLIB_Generator::getCodeBlock(
$arBlocks, $strTplName, $strPrefix
);
$code .= $nl;
$code .= '//TODO: do something with the code' . $nl;
$code .= $nl;
$code .= $strPrefix . '->finish('
. trim($strPrefix) . "->parse('TMP', '" . $strTplName . "'));"
. $nl;
return $code;
}//function getCodeBlockDefinition($strFile, $strTplName = null, ..)
/**
* Creates the PHP code for the given array of blocks.
*
* @param array $arBlocks Array of blocks, see getBlocks()
* @param string $strTplName Template reference name
* @param string $strPrefix Prefix to prepend before the code
*
* @return string PHP code
*/
function getCodeBlock($arBlocks, $strTplName, $strPrefix = '$tpl')
{
$nl = "\r\n";
$code = '';
foreach ($arBlocks as $arBlock) {
if (count($arBlock['sub']) > 0) {
$code .= HTML_Template_PHPLIB_Generator::getCodeBlock(
$arBlock['sub'], $strTplName, $strPrefix
);
}
$code .= $strPrefix . "->setBlock('" . $strTplName . "','"
. $arBlock['name'] . "', '"
. $arBlock['name'] . "_ref');" . $nl;
}
return $code;
}//function getCodeBlock($arBlocks, $strTplName, $strPrefix = '$tpl')
/**
* Returns an array of blocks in the given template code.
* The array values are array with a key "name" and
* "sub", an array of nested blocks.
*
* @param array $arLines Template code lines
*
* @return array Array of blocks
*
* @static
*/
function getBlocks($arLines)
{
$arBlocks = array();
$arRefs = array();
$strRegex = '/<!--\s+(BEGIN|END)\s+([a-zA-Z0-9_]*)\s+-->/';
foreach ($arLines as $strLine) {
$arMatches = array();
if (!preg_match($strRegex, $strLine, $arMatches)) {
continue;
}
$strType = $arMatches[1];
$strBlockName = $arMatches[2];
if ($strType == 'BEGIN') {
$arBlock = array(
'name' => $strBlockName,
'sub' => array()
);
if (count($arRefs) == 0) {
$arBlocks[$arBlock['name']] = $arBlock;
$arRefs[$strBlockName] = &$arBlocks[$arBlock['name']];
} else {
end($arRefs);
$strOldBlock = key($arRefs);
$arRefs[$strOldBlock]['sub'][$strBlockName] = $arBlock;
$arRefs[$strBlockName]
=& $arRefs[$strOldBlock]['sub'][$strBlockName];
}
} else {
unset($arRefs[$strBlockName]);
}
}
return $arBlocks;
}//function getBlocks($arLines)
/**
* Creates a name that can be used as handle for a template,
* from the given file name.
*
* @param string $strFile File name
*
* @return string Template name
*/
function getTemplateNameFromFilename($strFile)
{
$strTplName = basename($strFile);
//remove extension
$nDotPos = strpos($strTplName, '.');
if ($nDotPos !== false) {
$strTplName = substr($strTplName, 0, $nDotPos);
}
return $strTplName;
}//function getTemplateNameFromFilename($strFile)
}//class HTML_Template_PHPLIB_Generator
?>
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