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SmallTAL.Compiler.php
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SmallTAL.Compiler.php
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<?php
/*
* Copyright (c) 2012, Stefano Balocco <Stefano.Balocco@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Redistributions in binary form must include, without any additional cost,
* the source code.
* * Neither the name of the copyright holders nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
if( defined( 'SmallTAL' ) && !defined( 'SmallTAL_Compiler' ) && extension_loaded( 'pcre' ) )
{
// Parse TALES path expressions
function SmallTAL_Compiler_ParseTALESPathExpression( $pathExpression, $attributes, $target )
{
$returnValue = null;
$paths = explode( '|', $pathExpression );
$pathsCount = count( $paths );
$parentheses = 0;
$continue = true;
for( $i = 0; $continue && ( $i < $pathsCount ); $i++ )
{
$path = array
(
'pieces' => explode( '/', $paths[ $i ] ),
'keywordPosition' => 1
);
if( ( $path[ 'quantity' ] = count( $path[ 'pieces' ] ) ) > 0 )
{
// If the first piece isn't CONTEXT, I should check for variables.
// But if is CONTEXTS, I should check for keywords in the array element 1 (if exists),
// so the default value of keyword position is 1, and is adjusted if needed.
if( 'CONTEXTS' != $path[ 'pieces' ][ 0 ] )
{
// First I need to check for variables, then I can check for keywords
// The first variable type that I need to check is a defined variable
$returnValue .= 'SmallTAL_NavigateTALESPath($localVariables[\'defined\'],\'' . trim( $paths[ $i ] ) . '\',0,' . $target . ')||';
// Then for any variable given to the template engine
$returnValue .= 'SmallTAL_NavigateTALESPath($variables,\'' . trim( $paths[ $i ] ) . '\',0,' . $target . ')' . ( ( $pathsCount > $i ) ? '||' : null );
// Is not CONTEXT, so I should check since the start
$path[ 'keywordPosition' ]--;
}
if( array_key_exists( $path[ 'keywordPosition' ], $path[ 'pieces' ] ) )
{
switch( trim( $path[ 'pieces' ][ $path[ 'keywordPosition' ] ] ) )
{
case 'attrs':
{
if( ( 2 == ( $path[ 'quantity' ] - $path[ 'keywordPosition' ] ) ) && is_array( $attributes ) && array_key_exists( $path[ 'pieces' ][ 1 + $path[ 'keywordPosition' ] ], $attributes ) )
{
$returnValue .= '(' . $target . '=array(' . ( isset( $attributes[ $path[ 'pieces' ][ 1 + $path[ 'keywordPosition' ] ] ] ) ? '\'' . $attributes[ $path[ 'pieces' ][ 1 + $path[ 'keywordPosition' ] ] ] . '\'' : 'null' ) . ',false))';
// If attributes is in the path, and can be checked, I suppose that nothing else should be checked.
$continue = false;
}
break;
}
case 'nothing':
{
$returnValue .= '(' . $target . '=array(null,false))';
// If "nothing" is in the path I suppose that nothing else should be checked.
$continue = false;
break;
}
case 'default':
{
$returnValue .= '(' . $target . '=array(null,true))';
// If default is in the path I suppose that nothing else should be checked.
$continue = false;
break;
}
case 'options':
{
if( $path[ 'quantity' ] > $path[ 'keywordPosition' ] )
{
// Actually is a mirror of a normal path, because nothing else can be passed to
// the template engine.
$returnValue .= 'SmallTAL_NavigateTALESPath($variables,\'' . $paths[ $i ] . '\',' . $path[ 'keywordPosition' ] + 1 . ',' . $target . ')' . ( ( $pathsCount > $i ) ? '||' : null );
}
break;
}
case 'repeat':
{
if( $path[ 'quantity' ] > $path[ 'keywordPosition' ] )
{
$parentheses++;
$returnValue .= '(';
$variableName = '$localVariables[\'repeat\']';
// I avoid the piece in the switch.
for( $j = $path[ 'keywordPosition' ] + 1; $j < $path[ 'quantity' ]; $j++ )
{
$returnValue .= 'array_key_exists(\'' . $path[ 'pieces' ][ $i ] . '\',' . $variableName . ')' . ( $path[ 'quantity' ] > ( $i + 1 ) ? '&&is_array(' . $variableName . '[\'' . $path[ 'pieces' ][ $i ] . '\'])&&' : '?array(' . $variableName . '[\'' . $path[ 'pieces' ][ $i ] . '\'],false):' );
$variableName .= '[\'' . $path[ 'pieces' ][ $i ] . '\']';
}
}
}
}
}
}
}
if( $continue )
{
$returnValue .= '('. $target . '=array(null,false))';
}
for( $i = 0; $i < $parentheses; $i++ )
{
$returnValue .= ')';
}
return $returnValue;
}
// Parse TALES expressions
function SmallTAL_Compiler_ParseTALES( $expression, $attributes, $target, $bool = false, $defaultIsFalse = true, $reverseBool = false )
{
$returnValue = null;
// I need to remove any ' in the variable name, to avoid php injection
// I could simply backslash it, but I prefer this way.
$expression = str_replace( '\'', ''', $expression );
$type = 'path';
$value = $expression;
if( false !== strpos( $expression, ':' ) )
{
list( $type, $value ) = explode( ':', $expression, 2 );
}
if( 'string' == $type )
{
preg_match_all( '/\$\{?([\w\/]+)\}?/', $value, $variables, PREG_OFFSET_CAPTURE );
if( isset( $variables ) && ( false !== $variables ) && ( 2 == count( $variables ) ) && ( 0 < count( $variables[ 0 ] ) ) )
{
for( $i = count( $variables[ 0 ] ) - 1; 0 <= $i; $i-- )
{
$value = substr_replace( $value, '\'.((' . SmallTAL_Compiler_ParseTALESPathExpression( $variables[ 1 ][ $i ][ 0 ], $attributes, '$tmpVariable' ) . '&&!$tmpVariable[1])?$tmpVariable[0]:null).\'', $variables[ 0 ][ $i ][ 1 ], strlen( $variables[ 0 ][ $i ][ 0 ] ) );
}
}
$returnValue = '(' . $target . '=array(\'' . $value . '\',false))';
}
else
{
// Path is the default
$returnValue = SmallTAL_Compiler_ParseTALESPathExpression( $value, $attributes, $target );
if( 'not' == $type )
{
$bool = true;
$reverseBool = true;
}
}
// "Not" is evalutated here.
return( ( $bool ? '(' : null ) . $returnValue . ( $bool ? ')&&' . ( $reverseBool ? '!' : null ) . sprintf( '(' . ( $defaultIsFalse ? '!' : null ) . '%1$s[1]' . ( $defaultIsFalse ? '&&' : '||(' ) . '!is_null(%1$s[0])&&((is_bool(%1$s[0])&&%1$s[0])||(is_string(%1$s[0])&&(0<strlen(%1$s[0]))||(is_numeric(%1$s[0])&&(0<%1$s[0]))))' . ( $defaultIsFalse ? null : ')' ) . ')', $target ) : null ) );
}
function SmallTAL_Compiler_FindEndTag( $content, $tag, $start, &$closeLength = 0 )
{
$returnValue = $start;
$closeLength = 0;
$closed = false;
$count = 1;
$match = array( );
$position = $start;
while( !$closed )
{
// Searching for the closing tag
if( 1 == preg_match( sprintf( '/<(?:(\/)%1$s|%1$s(?:\s+[^<>]*)?)>/i', $tag ), $content, $match, PREG_OFFSET_CAPTURE, $position ) )
{
if( array_key_exists( 1, $match ) )
{
$count--;
}
else
{
$count++;
}
$position = $match[ 0 ][ 1 ] + strlen( $match[ 0 ][ 0 ] );
if( $count == 0 )
{
$closed = true;
$returnValue = $position;
$closeLength = strlen( $match[ 0 ][ 0 ] );
}
}
else
{
//The tag isn't closed, but I consider it as self-closed
$closed = true;
}
}
return $returnValue;
}
function SmallTAL_Compiler_ParseMETAL( &$returnValue, &$compilerData, &$content, $removeMacros = false )
{
// Searching for the metal:define-macro attribute
if( preg_match_all( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:define-macro' ), $content, $results, PREG_SET_ORDER | PREG_OFFSET_CAPTURE ) )
{
for( $i = count( $results ) - 1; $i > -1; $i-- )
{
$position = $results[ $i ][ 0 ][ 1 ] + strlen( $results[ $i ][ 0 ][ 0 ] );
if( !array_key_exists( 6, $results[ $i ] ) )
{
$position = SmallTAL_Compiler_FindEndTag( $content, $results[ $i ][ 1 ][ 0 ], $position );
}
$macroName = $results[ $i ][ 4 ][ 0 ];
// Already exists, overriding but alert about it.
if( array_key_exists( $macroName, $compilerData[ 'metal' ] ) )
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_DuplicatedMacro' ), $macroName );
}
// Removing the metal:define-macro tag and adding the macro
$compilerData[ 'metal' ][ $macroName ] = preg_replace( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:define-macro' ), '<${1}${2}${5}${6}>', substr( $content, $results[ $i ][ 0 ][ 1 ], $position - $results[ $i ][ 0 ][ 1 ] ), -1, $count );
if( $removeMacros && ( $closed ) )
{
$content = substr_replace( $content, '', $results[ $i ][ 0 ][ 1 ], $position - $results[ $i ][ 0 ][ 1 ] );
}
}
}
return $returnValue;
}
function SmallTAL_Compiler( &$returnValue, $template, $page, $variables = null, $directories = null )
{
$compilerData = array
(
'metal' => array
(
),
'keywords' => array
(
'define',
'condition',
'repeat',
'replace',
'content',
'omit-tag',
'attributes'
),
'regexp' => array
(
'tag' => '/<((?:\w+:)?\w+)(\s+[^<>]+?)?\s*(\/)?>/i',
'tagWithTal' => '/<((?:\w+:)?\w+)(\s+[^<>]+?)??\s+tal:(?:define|condition|repeat|replace|content|attributes|omit-tag)=([\'"])(.*?)\3(\s+[^<>]+?)??\s*(\/)?>/i',
'tagWithAttribute' => '/<((?:\w+:)?\w+)(\s+[^<>]+?)??\s+%s=([\'"])(.*?)\3(\s+[^<>]+?)??\s*(\/)?>/i',
'xmlns' => '/<html(\s+[^<>]+?)??\s+xmlns:%s=([\'"])(.*?)\2(\s+[^<>]+?)??\s*(\/)?>/i',
'xmlDeclaration' => '/^(?:\s*<(\?xml.*?\?>))/',
'tagAttributes' => '/(?<=\s)((?:[\w-]+\:)?[\w-]+)=(?:([\'"])(.*?)\2|([^>\s\'"]+))/'
)
);
if( file_exists( $directories[ 'templates' ] ) && is_dir( $directories[ 'templates' ] ) && file_exists( $directories[ 'templates' ] . '/' . $template ) && is_dir( $directories[ 'templates' ] . '/' . $template ) && ( file_exists( $directories[ 'temp' ] ) || mkdir( $directories[ 'temp' ], 0700 ) ) && is_dir( $directories[ 'temp' ] ) )
{
if( file_exists( $directories[ 'templates' ] . '/' . $template . '.metal.html' ) && ( false !== ( $metalContent = file_get_contents( $directories[ 'templates' ] . '/' . $template . '.metal.html' ) ) ) )
{
SmallTAL_Compiler_ParseMETAL( $returnValue, $compilerData, $metalContent, false );
}
if( file_exists( $directories[ 'templates' ] . '/' . $template . '/' . $page . '.html' ) && ( false !== ( $content = file_get_contents( $directories[ 'templates' ] . '/' . $template . '/' . $page . '.html' ) ) ) )
{
SmallTAL_Compiler_ParseMETAL( $returnValue, $compilerData, $content, true );
$results = array( );
// Searching for the metal:use-macro attribute
if( preg_match_all( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:use-macro' ), $content, $results, PREG_SET_ORDER | PREG_OFFSET_CAPTURE ) )
{
for( $i = count( $results ) - 1; $i > -1; $i-- )
{
if( array_key_exists( $results[ $i ][ 4 ][ 0 ], $compilerData[ 'metal' ] ) )
{
$position = $results[ $i ][ 0 ][ 1 ] + strlen( $results[ $i ][ 0 ][ 0 ] );
if( !array_key_exists( 6, $results[ $i ] ) )
{
$position = SmallTAL_Compiler_FindEndTag( $content, $results[ $i ][ 1 ][ 0 ], $position );
}
$tmpVariable = substr( $content, $results[ $i ][ 0 ][ 1 ], $position - $results[ $i ][ 0 ][ 1 ] );
$macro = $compilerData[ 'metal' ][ $results[ $i ][ 4 ][ 0 ] ];
// Searching for slots
if( !array_key_exists( 6, $results[ $i ] ) )
{
$resultsSlots = array( );
$slots = array( );
if( preg_match_all( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:fill-slot' ), $tmpVariable, $resultsSlots, PREG_SET_ORDER | PREG_OFFSET_CAPTURE ) )
{
for( $j = count( $resultsSlots ) - 1; $j > -1; $j-- )
{
if( array_key_exists( $resultsSlots[ $j ][ 4 ][ 0 ], $slots ) )
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_DuplicatedSlot' ), $slotName );
}
$slots[ $resultsSlots[ $j ][ 4 ][ 0 ] ] = preg_replace( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:fill-slot' ), '<${1}${2}${5}${6}>', substr( $tmpVariable, $resultsSlots[ $j ][ 0 ][ 1 ], SmallTAL_Compiler_FindEndTag( $tmpVariable, $resultsSlots[ $j ][ 1 ][ 0 ], $resultsSlots[ $j ][ 0 ][ 1 ] + strlen( $resultsSlots[ $j ][ 0 ][ 0 ] ) ) - $resultsSlots[ $j ][ 0 ][ 1 ] ), -1, $count );
}
}
if( 0 < count( $slots ) )
{
if( preg_match_all( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], 'metal:define-slot' ), $macro, $resultsSlots, PREG_SET_ORDER | PREG_OFFSET_CAPTURE ) )
{
for( $j = count( $resultsSlots ) - 1; $j > -1; $j-- )
{
if( array_key_exists( $resultsSlots[ $j ][ 4 ][ 0 ], $slots ) )
{
$macro = str_replace( substr( $macro, $resultsSlots[ $j ][ 0 ][ 1 ], SmallTAL_Compiler_FindEndTag( $compilerData[ 'metal' ][ $macroName ], $resultsSlots[ $j ][ 1 ][ 0 ], $resultsSlots[ $j ][ 0 ][ 1 ] + strlen( $resultsSlots[ $j ][ 0 ][ 0 ] ) ) - $resultsSlots[ $j ][ 0 ][ 1 ] ), $resultsSlots[ $j ][ 4 ][ 0 ], $macro );
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_UnknownSlot' ), $results[ $j ][ 4 ][ 0 ] );
}
}
}
}
}
$content = str_replace( $tmpVariable, $macro, $content );
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_UnknownMacro' ), $results[ $i ][ 4 ][ 0 ] );
}
}
}
$output = '<?php if(defined(\'SmallTAL\')){$localVariables=array(\'defined\'=>array(),\'repeat\'=>array(),\'stack\'=>array(\'defined\'=>array(),\'repeat\'=>array()),\'template\'=>array());?>';
$localVariablesIndex = 0;
$count = 0;
//TODO: Variables optimization round
if( null != $content )
{
if( ( $tagsCount = preg_match_all( $compilerData[ 'regexp' ][ 'tagWithTal' ], $content, $tags, PREG_SET_ORDER | PREG_OFFSET_CAPTURE ) ) )
{
$localVariablesIndex = 0;
for( $i = $tagsCount - 1; $i > -1; $i-- )
{
$tagAttributes = array( );
$attributes = array( );
if( ( $attributesCount = preg_match_all( $compilerData[ 'regexp' ][ 'tagAttributes' ], $tags[ $i ][ 0 ][ 0 ], $attributes, PREG_SET_ORDER ) ) )
{
for( $j = 0; $j < $attributesCount; $j++ )
{
$tagAttributes[ $attributes[ $j ][ 1 ] ] = ( ( empty( $attributes[ $j ][ 2 ] ) && array_key_exists( 4, $attributes[ $j ] ) ) ? $attributes[ $j ][ 4 ] : $attributes[ $j ][ 3 ] );
}
}
unset( $attributes );
$changes = array
(
'attributes' => array( ),
'outside' => array
(
'pre' => null,
'post' => null
),
'inside' => array
(
'pre' => null,
'post' => null
)
);
foreach( $compilerData[ 'keywords' ] as $keyword )
{
if( array_key_exists( 'tal:' . $keyword, $tagAttributes ) )
{
switch( $keyword )
{
case 'define':
{
$tmpVariable = array( );
$tmpVariable[ 'count' ] = preg_match_all( '/[\s]*(?:(?:(local|world)[\s]+)?(.+?)[\s]+(.+?)[\s]*(?:(?<!;);(?!;)|$))+?/', $tagAttributes[ 'tal:define' ], $tmpVariable[ 'elements' ], PREG_SET_ORDER );
for( $j = 0; $j < $tmpVariable[ 'count' ]; $j++ )
{
$tmpVariable[ 'name' ] = str_replace( '\'', ''', $tmpVariable[ 'elements' ][ $j ][ 2 ] );
$changes[ 'outside' ][ 'pre' ] .= '$localVariables[\'template\'][' . $localVariablesIndex . ']=(' . SmallTAL_Compiler_ParseTALES( $tmpVariable[ 'elements' ][ $j ][ 3 ], $tagAttributes, '$tmpVariable' ) . '&&!$tmpVariable[1]);if($localVariables[\'template\'][' . $localVariablesIndex++ . ']){SmallTAL_LocalVariablesPush($localVariables,\'defined\',\'' . $tmpVariable[ 'name' ] . '\',$tmpVariable[0]);}unset($tmpVariable);';
if( 'world' != $tmpVariable[ 'elements' ][ $j ][ 1 ] )
{
$changes[ 'outside' ][ 'post' ] = 'if($localVariables[\'template\'][' . ( $localVariablesIndex - 1 ) . ']){SmallTAL_LocalVariablesPop($localVariables,\'defined\',\'' . $tmpVariable[ 'name' ] . '\');unset($localVariables[\'template\'][' . ( $localVariablesIndex - 1 ) . ']);}' . $changes[ 'outside' ][ 'post' ];
}
}
unset( $tmpVariable );
break;
}
case 'condition':
{
$changes[ 'outside' ][ 'pre' ] .= 'if(' . SmallTAL_Compiler_ParseTALES( $tagAttributes[ 'tal:condition' ], $tagAttributes, '$localVariables[\'template\'][' . $localVariablesIndex . ']', true, true ) . '){';
$changes[ 'outside' ][ 'post' ] = '}unset($localVariables[\'template\'][' . $localVariablesIndex++ . ']);' . $changes[ 'outside' ][ 'post' ];
break;
}
case 'repeat':
{
$tmpVariable[ 'elements' ] = explode( " ", $tagAttributes[ 'tal:repeat' ], 2 );
$tmpVariable[ 'name' ] = str_replace( '\'', ''', $tmpVariable[ 'elements' ][ 0 ] );
$changes[ 'outside' ][ 'pre' ] .= sprintf( 'if((%1$s)&&($localVariables[\'template\'][%2$d][1]||is_array($localVariables[\'template\'][%2$d][0]))){$localVariables[\'template\'][%3$d]=array(false,false);if(!$localVariables[\'template\'][%2$d][1]){($localVariables[\'template\'][%3$d][0]=true)&&SmallTAL_LocalVariablesPush($localVariables,\'repeat\',\'%4$s\',null);($localVariables[\'template\'][%3$d][1]=true)&&SmallTAL_LocalVariablesPush($localVariables,\'defined\',\'%4$s\',null);$localVariables[\'repeat\'][\'%4$s\'][\'index\']=-1;$localVariables[\'repeat\'][\'%4$s\'][\'length\']=count($localVariables[\'template\'][%2$d][0]);}do{if(!$localVariables[\'template\'][%2$d][1]){$localVariables[\'defined\'][\'%4$s\']=array_shift($localVariables[\'template\'][%2$d][0]);$localVariables[\'repeat\'][\'%4$s\'][\'index\']++;$localVariables[\'repeat\'][\'%4$s\'][\'number\']=$localVariables[\'repeat\'][\'%4$s\'][\'index\']+1;$localVariables[\'repeat\'][\'%4$s\'][\'even\']=($localVariables[\'repeat\'][\'%4$s\'][\'number\']%%2?true:false);$localVariables[\'repeat\'][\'%4$s\'][\'odd\']=!$localVariables[\'repeat\'][\'%4$s\'][\'even\'];$localVariables[\'repeat\'][\'%4$s\'][\'start\']=($localVariables[\'repeat\'][\'%4$s\'][\'index\']?false:true);$localVariables[\'repeat\'][\'%4$s\'][\'end\']=(($localVariables[\'repeat\'][\'%4$s\'][\'number\']==$localVariables[\'repeat\'][\'%4$s\'][\'length\'])?true:false);$localVariables[\'repeat\'][\'%4$s\'][\'letter\']=SmallTAL_NumberToLetter($localVariables[\'repeat\'][\'%4$s\'][\'index\']);$localVariables[\'repeat\'][\'%4$s\'][\'Letter\']=strtoupper($localVariables[\'repeat\'][\'%4$s\'][\'letter\']);}', SmallTAL_Compiler_ParseTALES( $tmpVariable[ 'elements' ][ 1 ], $tagAttributes, '$localVariables[\'template\'][' . $localVariablesIndex . ']' ), $localVariablesIndex++, $localVariablesIndex, $tmpVariable[ 'name' ] );
$changes[ 'outside' ][ 'post' ] = sprintf( '}while(!$localVariables[\'template\'][%1$d][1]&&!empty($localVariables[\'template\'][%1$d][0]));$localVariables[\'template\'][%2$d][0]&&SmallTAL_LocalVariablesPop($localVariables,\'repeat\',\'%3$s\');$localVariables[\'template\'][%2$d][1]&&SmallTAL_LocalVariablesPop($localVariables,\'defined\',\'%3$s\');unset($localVariables[\'template\'][%1$d],$localVariables[\'template\'][%2$d]);}', $localVariablesIndex - 1, $localVariablesIndex++, $tmpVariable[ 'name' ] ) . $changes[ 'outside' ][ 'post' ];
break;
}
case 'replace':
case 'content':
{
if( ( 'content' == $keyword ) || ( ( 'replace' == $keyword ) && !array_key_exists( 'tal:content', $tagAttributes ) ) )
{
$tmpVariable = array( );
if( ( 'structure ' == substr( $tagAttributes[ 'tal:' . $keyword ], 0, 10 ) ) || ( 'text ' == substr( $tagAttributes[ 'tal:' . $keyword ], 0, 5 ) ) )
{
$tmpVariable[ 'parameters' ] = explode( " ", ( ( 'content' == $keyword ) ? $tagAttributes[ 'tal:content' ] : $tagAttributes[ 'tal:replace' ] ), 2 );
}
else
{
$tmpVariable[ 'parameters' ] = array( "text", $tagAttributes[ 'tal:' . $keyword ] );
}
$tmpVariable[ 'pre' ] = 'if(' . SmallTAL_Compiler_ParseTALES( $tmpVariable[ 'parameters' ][ 1 ], $tagAttributes, '$localVariables[\'template\'][' . $localVariablesIndex . ']' ) . '&&!$localVariables[\'template\'][' . $localVariablesIndex . '][1]&&!is_null($localVariables[\'template\'][' . $localVariablesIndex . '][0])){echo(' . ( 'text' == $tmpVariable[ 'parameters' ][0] ? 'str_replace(array(\'&\',\'<\',\'>\'),array(\'&\',\'<\',\'>\'),' : null ) . '(is_bool($localVariables[\'template\'][' . $localVariablesIndex . '][0])?($localVariables[\'template\'][' . $localVariablesIndex . '][0]?1:0):$localVariables[\'template\'][' . $localVariablesIndex . '][0])'. ( 'text' == $tmpVariable[ 'parameters' ][0] ? ')' : null ). ');}elseif($localVariables[\'template\'][' . $localVariablesIndex . '][1]){';
$tmpVariable[ 'post' ] = '}unset($localVariables[\'template\'][' . $localVariablesIndex++ . ']);';
if( 'content' == $keyword )
{
$changes[ 'inside' ][ 'pre' ] = $tmpVariable[ 'pre' ] . $changes[ 'inside' ][ 'pre' ];
$changes[ 'inside' ][ 'post' ] .= $tmpVariable[ 'post' ];
}
else
{
$changes[ 'outside' ][ 'pre' ] .= $tmpVariable[ 'pre' ];
$changes[ 'outside' ][ 'post' ] = $tmpVariable[ 'post' ] . $changes[ 'outside' ][ 'post' ];
}
unset( $tmpVariable );
}
break;
}
case 'attributes':
{
if( !array_key_exists( 'tal:content', $tagAttributes ) )
{
$tmpVariable = array( );
$tmpVariable[ 'count' ] = preg_match_all( '/(?:[\s]*(.+?)[\s]+(.+?)[\s]*(?:(?<!;);(?!;)|$))+?/', $tagAttributes[ 'tal:attributes' ], $tmpVariable[ 'elements' ], PREG_SET_ORDER );
for( $j = 0; $j < $tmpVariable[ 'count' ]; $j++ )
{
$changes[ 'attributes' ][ $tmpVariable[ 'elements' ][ $j ][ 1 ] ] = $tmpVariable[ 'elements' ][ $j ][ 2 ];
}
}
break;
}
case 'omit-tag':
{
$changes[ 'outside' ][ 'pre' ] .= '$localVariables[\'template\'][' . $localVariablesIndex . ']=!(' . SmallTAL_Compiler_ParseTALES( $tagAttributes[ 'tal:omit-tag' ], $tagAttributes, '$tmpVariable', true ) . ');unset($tmpVariable);if($localVariables[\'template\'][' . $localVariablesIndex . ']){';
// If isn't selfclosed OR if I already need to put some code between starting and closing tag, I put some data "inside"
// TODO: a regexp to remove ? >< ?php and {}
if( !array_key_exists( 6, $tags[ $i ] ) || isset( $changes[ 'inside' ][ 'pre' ] ) || isset( $changes[ 'inside' ][ 'post' ] ) || 0 < count( $changes[ 'attributes' ] ) )
{
$changes[ 'inside' ][ 'pre' ] = '}' . $changes[ 'inside' ][ 'pre' ];
$changes[ 'inside' ][ 'post' ] .= 'if($localVariables[\'template\'][' . $localVariablesIndex . ']){';
}
$changes[ 'outside' ][ 'post' ] = '}unset($localVariables[\'template\'][' . $localVariablesIndex++ . ']);' . $changes[ 'outside' ][ 'post' ];
break;
}
}
}
}
if( 0 < count( $changes[ 'attributes' ] ) || isset( $changes[ 'outside' ][ 'pre'] ) || isset( $changes[ 'outside' ][ 'post'] ) || isset( $changes[ 'inside' ][ 'pre'] ) || isset( $changes[ 'inside' ][ 'post'] ) )
{
$tmpVariable = array( );
$tmpVariable[ 'startTag' ] = $tags[ $i ][ 0 ][ 0 ];
$tmpVariable[ 'attributes' ] = null;
foreach ( $changes[ 'attributes' ] as $name => $value )
{
$tmpVariable[ 'attributes' ] .= '<?php if(' . SmallTAL_Compiler_ParseTALES( $value, $tagAttributes, '$tmpVariable' ) . ( !array_key_exists( $name, $tagAttributes ) ? '&&!$tmpVariable[1]' : null ) . '){?> ' . $name . '="<?php echo('. ( array_key_exists( $name, $tagAttributes ) ? '$tmpVariable[1]?\'' . str_replace( '\'', ''', $tagAttributes[ $name ] ) . '\':' : null ) . '(is_bool($tmpVariable[0])?($tmpVariable[0]?1:0):$tmpVariable[0]));?>"<?php }unset($tmpVariable);?>';
}
foreach( $tagAttributes as $name => $value )
{
if( array_key_exists( $name, $changes[ 'attributes' ] ) || ( 'xmlns:tal' == $name ) || ( 'tal:' == substr( $name, 0, 4 ) ) )
{
$tmpVariable[ 'startTag' ] = preg_replace( sprintf( $compilerData[ 'regexp' ][ 'tagWithAttribute' ], $name ), '<${1}${2}${5}${6}>', $tmpVariable[ 'startTag' ] );
}
}
if( $tags[ $i ][ 0 ][ 0 ] != $tmpVariable[ 'startTag' ] )
{
$content = substr_replace( $content, $tmpVariable[ 'startTag' ], $tags[ $i ][ 0 ][ 1 ], strlen( $tags[ $i ][ 0 ][ 0 ] ) );
}
$tmpVariable[ 'startLength' ] = strlen( $tmpVariable[ 'startTag' ] );
$tmpVariable[ 'endPosition' ] = $tags[ $i ][ 0 ][ 1 ] + $tmpVariable[ 'startLength' ];
$tmpVariable[ 'endLength' ] = 0;
$tmpVariable[ 'startTagSelfClosed' ] = array_key_exists( 6, $tags[ $i ] );
$tmpVariable[ 'startTag' ] = substr( $tmpVariable[ 'startTag' ], 0, -( $tmpVariable[ 'startTagSelfClosed' ] ? 2 : 1 ) );
if( $tmpVariable[ 'startTagSelfClosed' ] && ( isset( $changes[ 'inside' ][ 'pre'] ) || isset( $changes[ 'inside' ][ 'post'] ) ) )
{
$content = substr_replace( $content, $tmpVariable[ 'startTag' ] . '></' . $tags[ $i ][ 1 ][ 0 ] . '>', $tags[ $i ][ 0 ][ 1 ], $tmpVariable[ 'startLength' ] );
$tmpVariable[ 'startTagSelfClosed' ] = false;
$tmpVariable[ 'endPosition' ] += strlen( $tags[ $i ][ 1 ][ 0 ] ) + 2;
$tmpVariable[ 'endLength' ] = strlen( $tags[ $i ][ 1 ][ 0 ] ) + 3;
$tmpVariable[ 'startLength' ] -= 1;
}
elseif( !$tmpVariable[ 'startTagSelfClosed' ] )
{
$tmpVariable[ 'endPosition' ] = SmallTAL_Compiler_FindEndTag( $content, $tags[ $i ][ 1 ][ 0 ], $tmpVariable[ 'endPosition' ], $tmpVariable[ 'endLength' ] );
}
// If is an empty node and we need to write inside it, we need an optimization round
if( ( ( $tmpVariable[ 'endPosition' ] - $tmpVariable[ 'endLength' ] ) == ( $tags[ $i ][ 0 ][ 1 ] + strlen( $tmpVariable[ 'startTag' ] ) + ( $tmpVariable[ 'startTagSelfClosed' ] ? 2 : 1 ) ) ) && isset( $changes[ 'inside' ][ 'pre' ] ) && isset( $changes[ 'inside' ][ 'post' ] ) )
{
$changes[ 'inside' ][ 'pre' ] .= $changes[ 'inside' ][ 'post' ];
$changes[ 'inside' ][ 'post' ] = null;
$changes[ 'inside' ][ 'pre' ] = str_replace( 'else{}', '', $changes[ 'inside' ][ 'pre' ] );
}
if( !$tmpVariable[ 'startTagSelfClosed' ] || isset( $changes[ 'inside' ][ 'post' ] ) || isset( $changes[ 'outside' ][ 'post' ] ) )
{
$content = substr_replace( $content, ( isset( $changes[ 'inside' ][ 'post' ] ) ? '<?php ' . $changes[ 'inside' ][ 'post' ] . '?>' : null ) . substr( $content, $tmpVariable[ 'endPosition' ] - $tmpVariable[ 'endLength' ], $tmpVariable[ 'endLength' ] ) . ( isset( $changes[ 'outside' ][ 'post' ] ) ? '<?php ' . $changes[ 'outside' ][ 'post' ] . '?>' : null ), $tmpVariable[ 'endPosition' ] - $tmpVariable[ 'endLength' ], $tmpVariable[ 'endLength' ] );
}
if( isset( $tmpVariable[ 'attributes' ] ) || isset( $changes[ 'outside' ][ 'pre' ] ) || isset( $changes[ 'inside' ][ 'pre' ] ) )
{
$content = substr_replace( $content, ( isset( $changes[ 'outside' ][ 'pre' ] ) ? '<?php ' . $changes[ 'outside' ][ 'pre' ] . '?>' : null ) . $tmpVariable[ 'startTag' ] . $tmpVariable[ 'attributes' ] . ( $tmpVariable[ 'startTagSelfClosed' ] ? ' /' : null ) . '>' . ( isset( $changes[ 'inside' ][ 'pre' ] ) ? '<?php ' . $changes[ 'inside' ][ 'pre' ] . '?>' : null ), $tags[ $i ][ 0 ][ 1 ], $tmpVariable[ 'startLength' ] );
}
unset( $tmpVariable );
}
}
}
}
$content = preg_replace( array( sprintf( $compilerData[ 'regexp' ][ 'xmlns' ], 'tal' ), sprintf( $compilerData[ 'regexp' ][ 'xmlns' ], 'metal' ) ), '<html${1}${4}${5}>', $content );
$output .= str_replace( "?>\n", "?>\n\n", str_replace( "\r", '', $content ) ) . '<?php }?>';
$file = null;
if( ( false !== ( $temporaryFilename = tempnam( $directories[ 'temp' ], 'TAL' ) ) ) && ( false !== ( $file = fopen( $temporaryFilename, 'wb' ) ) ) )
{
fwrite( $file, $output );
fclose( $file );
if( ( file_exists( $directories[ 'cache' ] ) || mkdir( $directories[ 'cache' ], 0700 ) ) && is_dir( $directories[ 'cache' ] ) && ( file_exists( $directories[ 'cache' ] . '/' . $template ) || mkdir( $directories[ 'cache' ] . '/' . $template, 0700 ) ) && is_dir( $directories[ 'cache' ] . '/' . $template ) )
{
if( !rename( $temporaryFilename, $directories[ 'cache' ] . '/' . $template . '/' . $page . '.php' ) )
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_Rename' ), $temporaryFilename );
}
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_Cache' ), null );
}
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_TemporaryFile' ), null );
}
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_Template' ), null );
}
}
else
{
SmallTAL_AddError( $returnValue, constant( 'SmallTAL_Error_Path' ), null );
}
}
define( 'SmallTAL_Compiler', '1.0' );
}
if( false )
{
class SmallTAL_Compiler
{
private $talData = array
(
'repeat' => array
(
'inside' => array
(
'pre' => 'if(%1$s&&!$localVariables[\'template\'][%2$d][1]&&is_array($localVariables[\'template\'][%2$d][0])){$localVariables[\'template\'][%3$d]=array(SmallTAL_LocalVariablesPush($localVariables,\'repeat\',\'%4$s\',null),SmallTAL_LocalVariablesPush($localVariables,\'defined\',\'%4$s\',null));$localVariables[\'repeat\'][\'%4$s\'][\'index\']=-1;$localVariables[\'repeat\'][\'%4$s\'][\'length\']=count($localVariables[\'template\'][%2$d][0]);foreach($localVariables[\'template\'][%2$d][0] as $localVariables[\'defined\'][\'%4$s\']){$localVariables[\'repeat\'][\'%4$s\'][\'index\']++;$localVariables[\'repeat\'][\'%4$s\'][\'number\']=$localVariables[\'repeat\'][\'%4$s\'][\'index\']+1;$localVariables[\'repeat\'][\'%4$s\'][\'odd\']=($localVariables[\'repeat\'][\'%4$s\'][\'number\']%2?true:false);$localVariables[\'repeat\'][\'%4$s\'][\'even\']=!$localVariables[\'repeat\'][\'%4$s\'][\'odd\'];$localVariables[\'repeat\'][\'%4$s\'][\'start\']=($localVariables[\'repeat\'][\'%4$s\'][\'index\']?false:true);$localVariables[\'repeat\'][\'%4$s\'][\'end\']=($localVariables[\'repeat\'][\'%4$s\'][\'number\']==$localVariables[\'repeat\'][\'%4$s\'][\'length\']?true:false);$localVariables[\'repeat\'][\'%4$s\'][\'letter\']=SmallTAL_NumberToLetter($localVariables[\'repeat\'][\'%4$s\'][\'index\']);$localVariables[\'repeat\'][\'%4$s\'][\'Letter\']=strtoupper($localVariables[\'repeat\'][\'%4$s\'][\'letter\']);',
'post' => '}if($localVariables[\'template\'][%1$d][0]){SmallTAL_LocalVariablesPop($localVariables,\'repeat\',\'%2$s\');}if($localVariables[\'template\'][%1$d][1]){SmallTAL_LocalVariablesPop($localVariables,\'define\',\'%2$s\');}}else{'
)
)
);
}
}
?>