--- /dev/null
+<?php
+
+/**
+ * RainTPL
+ * -------
+ * Realized by Federico Ulfo & maintained by the Rain Team
+ * Distributed under GNU/LGPL 3 License
+ *
+ * @version 2.6.4
+ */
+
+
+class RainTPL{
+
+ // -------------------------
+ // CONFIGURATION
+ // -------------------------
+
+ /**
+ * Template directory
+ *
+ * @var string
+ */
+ static $tpl_dir = "tpl/";
+
+
+ /**
+ * Cache directory. Is the directory where RainTPL will compile the template and save the cache
+ *
+ * @var string
+ */
+ static $cache_dir = "tmp/";
+
+
+ /**
+ * Template base URL. RainTPL will add this URL to the relative paths of element selected in $path_replace_list.
+ *
+ * @var string
+ */
+ static $base_url = null;
+
+
+ /**
+ * Template extension.
+ *
+ * @var string
+ */
+ static $tpl_ext = "html";
+
+
+ /**
+ * Path replace is a cool features that replace all relative paths of images (<img src="...">), stylesheet (<link href="...">), script (<script src="...">) and link (<a href="...">)
+ * Set true to enable the path replace.
+ *
+ * @var unknown_type
+ */
+ static $path_replace = true;
+
+
+ /**
+ * You can set what the path_replace method will replace.
+ * Avaible options: a, img, link, script, input
+ *
+ * @var array
+ */
+ static $path_replace_list = array( 'a', 'img', 'link', 'script', 'input' );
+
+
+ /**
+ * You can define in the black list what string are disabled into the template tags
+ *
+ * @var unknown_type
+ */
+ static $black_list = array( '\$this', 'raintpl::', 'self::', '_SESSION', '_SERVER', '_ENV', 'eval', 'exec', 'unlink', 'rmdir' );
+
+
+ /**
+ * Check template.
+ * true: checks template update time, if changed it compile them
+ * false: loads the compiled template. Set false if server doesn't have write permission for cache_directory.
+ *
+ */
+ static $check_template_update = true;
+
+
+ /**
+ * Debug mode flag.
+ * True: debug mode is used, syntax errors are displayed directly in template. Execution of script is not terminated.
+ * False: exception is thrown on found error.
+ *
+ * @var bool
+ */
+ static $debug = false;
+
+ // -------------------------
+
+
+ // -------------------------
+ // RAINTPL VARIABLES
+ // -------------------------
+
+ /**
+ * Is the array where RainTPL keep the variables assigned
+ *
+ * @var array
+ */
+ public $var = array();
+
+ private $tpl = array(), // variables to keep the template directories and info
+ $cache = false, // static cache enabled / disabled
+ $cache_id = null; // identify only one cache
+
+ private static $config_name_sum = null; // takes all the config to create the md5 of the file
+
+ // -------------------------
+
+
+
+ const CACHE_EXPIRE_TIME = 3600; // default cache expire time = hour
+
+
+
+ /**
+ * Assign variable
+ * eg. $t->assign('name','mickey');
+ *
+ * @param mixed $variable_name Name of template variable or associative array name/value
+ * @param mixed $value value assigned to this variable. Not set if variable_name is an associative array
+ */
+
+ function assign( $variable, $value = null ){
+ if( is_array( $variable ) )
+ $this->var += $variable;
+ else
+ $this->var[ $variable ] = $value;
+ }
+
+
+
+ /**
+ * Draw the template
+ * eg. $html = $tpl->draw( 'demo', TRUE ); // return template in string
+ * or $tpl->draw( $tpl_name ); // echo the template
+ *
+ * @param string $tpl_name template to load
+ * @param boolean $return_string true=return a string, false=echo the template
+ * @return string
+ */
+
+ function draw( $tpl_name, $return_string = false ){
+
+ try {
+ // compile the template if necessary and set the template filepath
+ $this->check_template( $tpl_name );
+ } catch (RainTpl_Exception $e) {
+ $output = $this->printDebug($e);
+ die($output);
+ }
+
+ // Cache is off and, return_string is false
+ // Rain just echo the template
+
+ if( !$this->cache && !$return_string ){
+ extract( $this->var );
+ include $this->tpl['compiled_filename'];
+ unset( $this->tpl );
+ }
+
+
+ // cache or return_string are enabled
+ // rain get the output buffer to save the output in the cache or to return it as string
+
+ else{
+
+ //----------------------
+ // get the output buffer
+ //----------------------
+ ob_start();
+ extract( $this->var );
+ include $this->tpl['compiled_filename'];
+ $raintpl_contents = ob_get_contents();
+ ob_end_clean();
+ //----------------------
+
+
+ // save the output in the cache
+ if( $this->cache )
+ file_put_contents( $this->tpl['cache_filename'], "<?php if(!class_exists('raintpl')){exit;}?>" . $raintpl_contents );
+
+ // free memory
+ unset( $this->tpl );
+
+ // return or print the template
+ if( $return_string ) return $raintpl_contents; else echo $raintpl_contents;
+
+ }
+
+ }
+
+
+
+
+ /**
+ * If exists a valid cache for this template it returns the cache
+ *
+ * @param string $tpl_name Name of template (set the same of draw)
+ * @param int $expiration_time Set after how many seconds the cache expire and must be regenerated
+ * @return string it return the HTML or null if the cache must be recreated
+ */
+
+ function cache( $tpl_name, $expire_time = self::CACHE_EXPIRE_TIME, $cache_id = null ){
+
+ // set the cache_id
+ $this->cache_id = $cache_id;
+
+ if( !$this->check_template( $tpl_name ) && file_exists( $this->tpl['cache_filename'] ) && ( time() - filemtime( $this->tpl['cache_filename'] ) < $expire_time ) )
+ return substr( file_get_contents( $this->tpl['cache_filename'] ), 43 );
+ else{
+ //delete the cache of the selected template
+ if (file_exists($this->tpl['cache_filename']))
+ unlink($this->tpl['cache_filename'] );
+ $this->cache = true;
+ }
+ }
+
+
+
+ /**
+ * Configure the settings of RainTPL
+ *
+ */
+ static function configure( $setting, $value = null ){
+ if( is_array( $setting ) )
+ foreach( $setting as $key => $value )
+ self::configure( $key, $value );
+ else if( property_exists( __CLASS__, $setting ) ){
+ self::$$setting = $value;
+ self::$config_name_sum .= $value; // take trace of all config
+ }
+ }
+
+
+
+ // check if has to compile the template
+ // return true if the template has changed
+ private function check_template( $tpl_name ){
+
+ if( !isset($this->tpl['checked']) ){
+
+ $tpl_basename = basename( $tpl_name ); // template basename
+ $tpl_basedir = strpos($tpl_name,"/") ? dirname($tpl_name) . '/' : null; // template basedirectory
+ $tpl_dir = self::$tpl_dir . $tpl_basedir; // template directory
+ $this->tpl['tpl_filename'] = $tpl_dir . $tpl_basename . '.' . self::$tpl_ext; // template filename
+ $temp_compiled_filename = self::$cache_dir . $tpl_basename . "." . md5( $tpl_dir . self::$config_name_sum );
+ $this->tpl['compiled_filename'] = $temp_compiled_filename . '.php'; // cache filename
+ $this->tpl['cache_filename'] = $temp_compiled_filename . '.s_' . $this->cache_id . '.php'; // static cache filename
+
+ // if the template doesn't exsist throw an error
+ if( self::$check_template_update && !file_exists( $this->tpl['tpl_filename'] ) ){
+ $e = new RainTpl_NotFoundException( 'Template '. $tpl_basename .' not found!' );
+ throw $e->setTemplateFile($this->tpl['tpl_filename']);
+ }
+
+ // file doesn't exsist, or the template was updated, Rain will compile the template
+ if( !file_exists( $this->tpl['compiled_filename'] ) || ( self::$check_template_update && filemtime($this->tpl['compiled_filename']) < filemtime( $this->tpl['tpl_filename'] ) ) ){
+ $this->compileFile( $tpl_basename, $tpl_basedir, $this->tpl['tpl_filename'], self::$cache_dir, $this->tpl['compiled_filename'] );
+ return true;
+ }
+ $this->tpl['checked'] = true;
+ }
+ }
+
+
+ /**
+ * execute stripslaches() on the xml block. Invoqued by preg_replace_callback function below
+ * @access private
+ */
+ private function xml_reSubstitution($capture) {
+ return "<?php echo '<?xml ".stripslashes($capture[1])." ?>'; ?>";
+ }
+
+ /**
+ * Compile and write the compiled template file
+ * @access private
+ */
+ private function compileFile( $tpl_basename, $tpl_basedir, $tpl_filename, $cache_dir, $compiled_filename ){
+
+ //read template file
+ $this->tpl['source'] = $template_code = file_get_contents( $tpl_filename );
+
+ //xml substitution
+ $template_code = preg_replace( "/<\?xml(.*?)\?>/s", "##XML\\1XML##", $template_code );
+
+ //disable php tag
+ $template_code = str_replace( array("<?","?>"), array("<?","?>"), $template_code );
+
+ //xml re-substitution
+ $template_code = preg_replace_callback ( "/##XML(.*?)XML##/s", array($this, 'xml_reSubstitution'), $template_code );
+
+ //compile template
+ $template_compiled = "<?php if(!class_exists('raintpl')){exit;}?>" . $this->compileTemplate( $template_code, $tpl_basedir );
+
+
+ // fix the php-eating-newline-after-closing-tag-problem
+ $template_compiled = str_replace( "?>\n", "?>\n\n", $template_compiled );
+
+ // create directories
+ if( !is_dir( $cache_dir ) )
+ mkdir( $cache_dir, 0755, true );
+
+ if( !is_writable( $cache_dir ) )
+ throw new RainTpl_Exception ('Cache directory ' . $cache_dir . 'doesn\'t have write permission. Set write permission or set RAINTPL_CHECK_TEMPLATE_UPDATE to false. More details on http://www.raintpl.com/Documentation/Documentation-for-PHP-developers/Configuration/');
+
+ //write compiled file
+ file_put_contents( $compiled_filename, $template_compiled );
+ }
+
+
+
+ /**
+ * Compile template
+ * @access private
+ */
+ private function compileTemplate( $template_code, $tpl_basedir ){
+
+ //tag list
+ $tag_regexp = array( 'loop' => '(\{loop(?: name){0,1}="\${0,1}[^"]*"\})',
+ 'loop_close' => '(\{\/loop\})',
+ 'if' => '(\{if(?: condition){0,1}="[^"]*"\})',
+ 'elseif' => '(\{elseif(?: condition){0,1}="[^"]*"\})',
+ 'else' => '(\{else\})',
+ 'if_close' => '(\{\/if\})',
+ 'function' => '(\{function="[^"]*"\})',
+ 'noparse' => '(\{noparse\})',
+ 'noparse_close' => '(\{\/noparse\})',
+ 'ignore' => '(\{ignore\})',
+ 'ignore_close' => '(\{\/ignore\})',
+ 'include' => '(\{include="[^"]*"(?: cache="[^"]*")?\})',
+ 'template_info' => '(\{\$template_info\})',
+ );
+
+ $tag_regexp = "/" . join( "|", $tag_regexp ) . "/";
+
+ //split the code with the tags regexp
+ $template_code = preg_split ( $tag_regexp, $template_code, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
+
+ //path replace (src of img, background and href of link)
+ $template_code = $this->path_replace( $template_code, $tpl_basedir );
+
+ //compile the code
+ $compiled_code = $this->compileCode( $template_code );
+
+ //return the compiled code
+ return $compiled_code;
+
+ }
+
+
+
+ /**
+ * Compile the code
+ * @access private
+ */
+ private function compileCode( $parsed_code ){
+
+ //variables initialization
+ $compiled_code = $open_if = $comment_is_open = $ignore_is_open = null;
+ $loop_level = 0;
+
+
+ //read all parsed code
+ while( $html = array_shift( $parsed_code ) ){
+
+ //close ignore tag
+ if( !$comment_is_open && strpos( $html, '{/ignore}' ) !== FALSE )
+ $ignore_is_open = false;
+
+ //code between tag ignore id deleted
+ elseif( $ignore_is_open ){
+ //ignore the code
+ }
+
+ //close no parse tag
+ elseif( strpos( $html, '{/noparse}' ) !== FALSE )
+ $comment_is_open = false;
+
+ //code between tag noparse is not compiled
+ elseif( $comment_is_open )
+ $compiled_code .= $html;
+
+ //ignore
+ elseif( strpos( $html, '{ignore}' ) !== FALSE )
+ $ignore_is_open = true;
+
+ //noparse
+ elseif( strpos( $html, '{noparse}' ) !== FALSE )
+ $comment_is_open = true;
+
+ //include tag
+ elseif( preg_match( '/(?:\{include="([^"]*)"(?: cache="([^"]*)"){0,1}\})/', $html, $code ) ){
+
+ //variables substitution
+ $include_var = $this->var_replace( $code[ 1 ], $left_delimiter = null, $right_delimiter = null, $php_left_delimiter = '".' , $php_right_delimiter = '."', $loop_level );
+
+ // if the cache is active
+ if( isset($code[ 2 ]) )
+ //dynamic include
+ $compiled_code .= '<?php $tpl = new RainTPL;' .
+ 'if( $cache = $tpl->cache( $template = basename("'.$include_var.'") ) )' .
+ ' echo $cache;' .
+ 'else{ ' .
+ '$tpl_dir_temp = self::$tpl_dir;' .
+ '$tpl->assign( $this->var );' .
+ ( !$loop_level ? null : '$tpl->assign( "key", $key'.$loop_level.' ); $tpl->assign( "value", $value'.$loop_level.' );' ).
+ '$tpl->draw( dirname("'.$include_var.'") . ( substr("'.$include_var.'",-1,1) != "/" ? "/" : "" ) . $template );'.
+ '}' .
+ '?>';
+ else
+ //dynamic include
+ $compiled_code .= '<?php $tpl = new RainTPL;' .
+ '$tpl_dir_temp = self::$tpl_dir;' .
+ '$tpl->assign( $this->var );' .
+ ( !$loop_level ? null : '$tpl->assign( "key", $key'.$loop_level.' ); $tpl->assign( "value", $value'.$loop_level.' );' ).
+ '$tpl->draw( dirname("'.$include_var.'") . ( substr("'.$include_var.'",-1,1) != "/" ? "/" : "" ) . basename("'.$include_var.'") );'.
+ '?>';
+
+ }
+
+ //loop
+ elseif( preg_match( '/\{loop(?: name){0,1}="\${0,1}([^"]*)"\}/', $html, $code ) ){
+
+ //increase the loop counter
+ $loop_level++;
+
+ //replace the variable in the loop
+ $var = $this->var_replace( '$' . $code[ 1 ], $tag_left_delimiter=null, $tag_right_delimiter=null, $php_left_delimiter=null, $php_right_delimiter=null, $loop_level-1 );
+
+ //loop variables
+ $counter = "\$counter$loop_level"; // count iteration
+ $key = "\$key$loop_level"; // key
+ $value = "\$value$loop_level"; // value
+
+ //loop code
+ $compiled_code .= "<?php $counter=-1; if( isset($var) && is_array($var) && sizeof($var) ) foreach( $var as $key => $value ){ $counter++; ?>";
+
+ }
+
+ //close loop tag
+ elseif( strpos( $html, '{/loop}' ) !== FALSE ) {
+
+ //iterator
+ $counter = "\$counter$loop_level";
+
+ //decrease the loop counter
+ $loop_level--;
+
+ //close loop code
+ $compiled_code .= "<?php } ?>";
+
+ }
+
+ //if
+ elseif( preg_match( '/\{if(?: condition){0,1}="([^"]*)"\}/', $html, $code ) ){
+
+ //increase open if counter (for intendation)
+ $open_if++;
+
+ //tag
+ $tag = $code[ 0 ];
+
+ //condition attribute
+ $condition = $code[ 1 ];
+
+ // check if there's any function disabled by black_list
+ $this->function_check( $tag );
+
+ //variable substitution into condition (no delimiter into the condition)
+ $parsed_condition = $this->var_replace( $condition, $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level );
+
+ //if code
+ $compiled_code .= "<?php if( $parsed_condition ){ ?>";
+
+ }
+
+ //elseif
+ elseif( preg_match( '/\{elseif(?: condition){0,1}="([^"]*)"\}/', $html, $code ) ){
+
+ //tag
+ $tag = $code[ 0 ];
+
+ //condition attribute
+ $condition = $code[ 1 ];
+
+ //variable substitution into condition (no delimiter into the condition)
+ $parsed_condition = $this->var_replace( $condition, $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level );
+
+ //elseif code
+ $compiled_code .= "<?php }elseif( $parsed_condition ){ ?>";
+ }
+
+ //else
+ elseif( strpos( $html, '{else}' ) !== FALSE ) {
+
+ //else code
+ $compiled_code .= '<?php }else{ ?>';
+
+ }
+
+ //close if tag
+ elseif( strpos( $html, '{/if}' ) !== FALSE ) {
+
+ //decrease if counter
+ $open_if--;
+
+ // close if code
+ $compiled_code .= '<?php } ?>';
+
+ }
+
+ //function
+ elseif( preg_match( '/\{function="([^(]*)(\([^)]*\)){0,1}"\}/', $html, $code ) ){
+
+ //tag
+ $tag = $code[ 0 ];
+
+ //function
+ $function = $code[ 1 ];
+
+ // check if there's any function disabled by black_list
+ $this->function_check( $tag );
+
+ //parse the parameters
+ $parsed_param = isset( $code[2] ) ? $this->var_replace( $code[2], $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level ) : '()';
+
+ //if code
+ $compiled_code .= "<?php echo {$function}{$parsed_param}; ?>";
+ }
+
+ // show all vars
+ elseif ( strpos( $html, '{$template_info}' ) !== FALSE ) {
+
+ //tag
+ $tag = '{$template_info}';
+
+ //if code
+ $compiled_code .= '<?php echo "<pre>"; print_r( $this->var ); echo "</pre>"; ?>';
+ }
+
+
+ //all html code
+ else{
+
+ //variables substitution (es. {$title})
+ $html = $this->var_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
+ //const substitution (es. {#CONST#})
+ $html = $this->const_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
+ //functions substitution (es. {"string"|functions})
+ $compiled_code .= $this->func_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
+ }
+ }
+
+ if( $open_if > 0 ) {
+ $e = new RainTpl_SyntaxException('Error! You need to close an {if} tag in ' . $this->tpl['tpl_filename'] . ' template');
+ throw $e->setTemplateFile($this->tpl['tpl_filename']);
+ }
+ return $compiled_code;
+ }
+
+
+
+ /**
+ * replace the path of image src, link href and a href.
+ * url => template_dir/url
+ * url# => url
+ * http://url => http://url
+ *
+ * @param string $html
+ * @return string html sostituito
+ */
+ private function path_replace( $html, $tpl_basedir ){
+
+ if( self::$path_replace ){
+
+ // reduce the path
+ $path = preg_replace('/\w+\/\.\.\//', '', self::$base_url . self::$tpl_dir . $tpl_basedir );
+
+ $exp = $sub = array();
+
+ if( in_array( "img", self::$path_replace_list ) ){
+ $exp = array( '/<img(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<img(.*?)src=(?:")([^"]+?)#(?:")/i', '/<img(.*?)src="(.*?)"/', '/<img(.*?)src=(?:\@)([^"]+?)(?:\@)/i' );
+ $sub = array( '<img$1src=@$2://$3@', '<img$1src=@$2@', '<img$1src="' . self::$base_url . self::$tpl_dir . $tpl_basedir . '$2"', '<img$1src="$2"' );
+ }
+
+ if( in_array( "script", self::$path_replace_list ) ){
+ $exp = array_merge( $exp , array( '/<script(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<script(.*?)src=(?:")([^"]+?)#(?:")/i', '/<script(.*?)src="(.*?)"/', '/<script(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
+ $sub = array_merge( $sub , array( '<script$1src=@$2://$3@', '<script$1src=@$2@', '<script$1src="' . self::$base_url . self::$tpl_dir . $tpl_basedir . '$2"', '<script$1src="$2"' ) );
+ }
+
+ if( in_array( "link", self::$path_replace_list ) ){
+ $exp = array_merge( $exp , array( '/<link(.*?)href=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<link(.*?)href=(?:")([^"]+?)#(?:")/i', '/<link(.*?)href="(.*?)"/', '/<link(.*?)href=(?:\@)([^"]+?)(?:\@)/i' ) );
+ $sub = array_merge( $sub , array( '<link$1href=@$2://$3@', '<link$1href=@$2@' , '<link$1href="' . self::$base_url . self::$tpl_dir . $tpl_basedir . '$2"', '<link$1href="$2"' ) );
+ }
+
+ if( in_array( "a", self::$path_replace_list ) ){
+ $exp = array_merge( $exp , array( '/<a(.*?)href=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<a(.*?)href="(.*?)"/', '/<a(.*?)href=(?:\@)([^"]+?)(?:\@)/i' ) );
+ $sub = array_merge( $sub , array( '<a$1href=@$2://$3@', '<a$1href="' . self::$base_url . '$2"', '<a$1href="$2"' ) );
+ }
+
+ if( in_array( "input", self::$path_replace_list ) ){
+ $exp = array_merge( $exp , array( '/<input(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<input(.*?)src=(?:")([^"]+?)#(?:")/i', '/<input(.*?)src="(.*?)"/', '/<input(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
+ $sub = array_merge( $sub , array( '<input$1src=@$2://$3@', '<input$1src=@$2@', '<input$1src="' . self::$base_url . self::$tpl_dir . $tpl_basedir . '$2"', '<input$1src="$2"' ) );
+ }
+
+ return preg_replace( $exp, $sub, $html );
+
+ }
+ else
+ return $html;
+
+ }
+
+
+
+
+
+ // replace const
+ function const_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
+ // const
+ return preg_replace( '/\{\#(\w+)\#{0,1}\}/', $php_left_delimiter . ( $echo ? " echo " : null ) . '\\1' . $php_right_delimiter, $html );
+ }
+
+
+
+ // replace functions/modifiers on constants and strings
+ function func_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
+
+ preg_match_all( '/' . '\{\#{0,1}(\"{0,1}.*?\"{0,1})(\|\w.*?)\#{0,1}\}' . '/', $html, $matches );
+
+ for( $i=0, $n=count($matches[0]); $i<$n; $i++ ){
+
+ //complete tag ex: {$news.title|substr:0,100}
+ $tag = $matches[ 0 ][ $i ];
+
+ //variable name ex: news.title
+ $var = $matches[ 1 ][ $i ];
+
+ //function and parameters associate to the variable ex: substr:0,100
+ $extra_var = $matches[ 2 ][ $i ];
+
+ // check if there's any function disabled by black_list
+ $this->function_check( $tag );
+
+ $extra_var = $this->var_replace( $extra_var, null, null, null, null, $loop_level );
+
+
+ // check if there's an operator = in the variable tags, if there's this is an initialization so it will not output any value
+ $is_init_variable = preg_match( "/^(\s*?)\=[^=](.*?)$/", $extra_var );
+
+ //function associate to variable
+ $function_var = ( $extra_var and $extra_var[0] == '|') ? substr( $extra_var, 1 ) : null;
+
+ //variable path split array (ex. $news.title o $news[title]) or object (ex. $news->title)
+ $temp = preg_split( "/\.|\[|\-\>/", $var );
+
+ //variable name
+ $var_name = $temp[ 0 ];
+
+ //variable path
+ $variable_path = substr( $var, strlen( $var_name ) );
+
+ //parentesis transform [ e ] in [" e in "]
+ $variable_path = str_replace( '[', '["', $variable_path );
+ $variable_path = str_replace( ']', '"]', $variable_path );
+
+ //transform .$variable in ["$variable"]
+ $variable_path = preg_replace('/\.\$(\w+)/', '["$\\1"]', $variable_path );
+
+ //transform [variable] in ["variable"]
+ $variable_path = preg_replace('/\.(\w+)/', '["\\1"]', $variable_path );
+
+ //if there's a function
+ if( $function_var ){
+
+ // check if there's a function or a static method and separate, function by parameters
+ $function_var = str_replace("::", "@double_dot@", $function_var );
+
+ // get the position of the first :
+ if( $dot_position = strpos( $function_var, ":" ) ){
+
+ // get the function and the parameters
+ $function = substr( $function_var, 0, $dot_position );
+ $params = substr( $function_var, $dot_position+1 );
+
+ }
+ else{
+
+ //get the function
+ $function = str_replace( "@double_dot@", "::", $function_var );
+ $params = null;
+
+ }
+
+ // replace back the @double_dot@ with ::
+ $function = str_replace( "@double_dot@", "::", $function );
+ $params = str_replace( "@double_dot@", "::", $params );
+
+
+ }
+ else
+ $function = $params = null;
+
+ $php_var = $var_name . $variable_path;
+
+ // compile the variable for php
+ if( isset( $function ) ){
+ if( $php_var )
+ $php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $php_var, $params ) )" : "$function( $php_var )" ) . $php_right_delimiter;
+ else
+ $php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $params ) )" : "$function()" ) . $php_right_delimiter;
+ }
+ else
+ $php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . $php_var . $extra_var . $php_right_delimiter;
+
+ $html = str_replace( $tag, $php_var, $html );
+
+ }
+
+ return $html;
+
+ }
+
+
+
+ function var_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
+
+ //all variables
+ if( preg_match_all( '/' . $tag_left_delimiter . '\$(\w+(?:\.\${0,1}[A-Za-z0-9_]+)*(?:(?:\[\${0,1}[A-Za-z0-9_]+\])|(?:\-\>\${0,1}[A-Za-z0-9_]+))*)(.*?)' . $tag_right_delimiter . '/', $html, $matches ) ){
+
+ for( $parsed=array(), $i=0, $n=count($matches[0]); $i<$n; $i++ )
+ $parsed[$matches[0][$i]] = array('var'=>$matches[1][$i],'extra_var'=>$matches[2][$i]);
+
+ foreach( $parsed as $tag => $array ){
+
+ //variable name ex: news.title
+ $var = $array['var'];
+
+ //function and parameters associate to the variable ex: substr:0,100
+ $extra_var = $array['extra_var'];
+
+ // check if there's any function disabled by black_list
+ $this->function_check( $tag );
+
+ $extra_var = $this->var_replace( $extra_var, null, null, null, null, $loop_level );
+
+ // check if there's an operator = in the variable tags, if there's this is an initialization so it will not output any value
+ $is_init_variable = preg_match( "/^(\s*?)\=[^=](.*?)$/", $extra_var );
+
+ //function associate to variable
+ $function_var = ( $extra_var and $extra_var[0] == '|') ? substr( $extra_var, 1 ) : null;
+
+ //variable path split array (ex. $news.title o $news[title]) or object (ex. $news->title)
+ $temp = preg_split( "/\.|\[|\-\>/", $var );
+
+ //variable name
+ $var_name = $temp[ 0 ];
+
+ //variable path
+ $variable_path = substr( $var, strlen( $var_name ) );
+
+ //parentesis transform [ e ] in [" e in "]
+ $variable_path = str_replace( '[', '["', $variable_path );
+ $variable_path = str_replace( ']', '"]', $variable_path );
+
+ //transform .$variable in ["$variable"] and .variable in ["variable"]
+ $variable_path = preg_replace('/\.(\${0,1}\w+)/', '["\\1"]', $variable_path );
+
+ // if is an assignment also assign the variable to $this->var['value']
+ if( $is_init_variable )
+ $extra_var = "=\$this->var['{$var_name}']{$variable_path}" . $extra_var;
+
+
+
+ //if there's a function
+ if( $function_var ){
+
+ // check if there's a function or a static method and separate, function by parameters
+ $function_var = str_replace("::", "@double_dot@", $function_var );
+
+
+ // get the position of the first :
+ if( $dot_position = strpos( $function_var, ":" ) ){
+
+ // get the function and the parameters
+ $function = substr( $function_var, 0, $dot_position );
+ $params = substr( $function_var, $dot_position+1 );
+
+ }
+ else{
+
+ //get the function
+ $function = str_replace( "@double_dot@", "::", $function_var );
+ $params = null;
+
+ }
+
+ // replace back the @double_dot@ with ::
+ $function = str_replace( "@double_dot@", "::", $function );
+ $params = str_replace( "@double_dot@", "::", $params );
+ }
+ else
+ $function = $params = null;
+
+ //if it is inside a loop
+ if( $loop_level ){
+ //verify the variable name
+ if( $var_name == 'key' )
+ $php_var = '$key' . $loop_level;
+ elseif( $var_name == 'value' )
+ $php_var = '$value' . $loop_level . $variable_path;
+ elseif( $var_name == 'counter' )
+ $php_var = '$counter' . $loop_level;
+ else
+ $php_var = '$' . $var_name . $variable_path;
+ }else
+ $php_var = '$' . $var_name . $variable_path;
+
+ // compile the variable for php
+ if( isset( $function ) )
+ $php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $php_var, $params ) )" : "$function( $php_var )" ) . $php_right_delimiter;
+ else
+ $php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . $php_var . $extra_var . $php_right_delimiter;
+
+ $html = str_replace( $tag, $php_var, $html );
+
+
+ }
+ }
+
+ return $html;
+ }
+
+
+
+ /**
+ * Check if function is in black list (sandbox)
+ *
+ * @param string $code
+ * @param string $tag
+ */
+ private function function_check( $code ){
+
+ $preg = '#(\W|\s)' . implode( '(\W|\s)|(\W|\s)', self::$black_list ) . '(\W|\s)#';
+
+ // check if the function is in the black list (or not in white list)
+ if( count(self::$black_list) && preg_match( $preg, $code, $match ) ){
+
+ // find the line of the error
+ $line = 0;
+ $rows=explode("\n",$this->tpl['source']);
+ while( !strpos($rows[$line],$code) )
+ $line++;
+
+ // stop the execution of the script
+ $e = new RainTpl_SyntaxException('Unallowed syntax in ' . $this->tpl['tpl_filename'] . ' template');
+ throw $e->setTemplateFile($this->tpl['tpl_filename'])
+ ->setTag($code)
+ ->setTemplateLine($line);
+ }
+
+ }
+
+ /**
+ * Prints debug info about exception or passes it further if debug is disabled.
+ *
+ * @param RainTpl_Exception $e
+ * @return string
+ */
+ private function printDebug(RainTpl_Exception $e){
+ if (!self::$debug) {
+ throw $e;
+ }
+ $output = sprintf('<h2>Exception: %s</h2><h3>%s</h3><p>template: %s</p>',
+ get_class($e),
+ $e->getMessage(),
+ $e->getTemplateFile()
+ );
+ if ($e instanceof RainTpl_SyntaxException) {
+ if (null != $e->getTemplateLine()) {
+ $output .= '<p>line: ' . $e->getTemplateLine() . '</p>';
+ }
+ if (null != $e->getTag()) {
+ $output .= '<p>in tag: ' . htmlspecialchars($e->getTag()) . '</p>';
+ }
+ if (null != $e->getTemplateLine() && null != $e->getTag()) {
+ $rows=explode("\n", htmlspecialchars($this->tpl['source']));
+ $rows[$e->getTemplateLine()] = '<font color=red>' . $rows[$e->getTemplateLine()] . '</font>';
+ $output .= '<h3>template code</h3>' . implode('<br />', $rows) . '</pre>';
+ }
+ }
+ $output .= sprintf('<h3>trace</h3><p>In %s on line %d</p><pre>%s</pre>',
+ $e->getFile(), $e->getLine(),
+ nl2br(htmlspecialchars($e->getTraceAsString()))
+ );
+ return $output;
+ }
+}
+
+
+/**
+ * Basic Rain tpl exception.
+ */
+class RainTpl_Exception extends Exception{
+ /**
+ * Path of template file with error.
+ */
+ private $templateFile = '';
+
+ /**
+ * Returns path of template file with error.
+ *
+ * @return string
+ */
+ public function getTemplateFile()
+ {
+ return $this->templateFile;
+ }
+
+ /**
+ * Sets path of template file with error.
+ *
+ * @param string $templateFile
+ * @return RainTpl_Exception
+ */
+ public function setTemplateFile($templateFile)
+ {
+ $this->templateFile = (string) $templateFile;
+ return $this;
+ }
+}
+
+/**
+ * Exception thrown when template file does not exists.
+ */
+class RainTpl_NotFoundException extends RainTpl_Exception{
+}
+
+/**
+ * Exception thrown when syntax error occurs.
+ */
+class RainTpl_SyntaxException extends RainTpl_Exception{
+ /**
+ * Line in template file where error has occured.
+ *
+ * @var int | null
+ */
+ private $templateLine = null;
+
+ /**
+ * Tag which caused an error.
+ *
+ * @var string | null
+ */
+ private $tag = null;
+
+ /**
+ * Returns line in template file where error has occured
+ * or null if line is not defined.
+ *
+ * @return int | null
+ */
+ public function getTemplateLine()
+ {
+ return $this->templateLine;
+ }
+
+ /**
+ * Sets line in template file where error has occured.
+ *
+ * @param int $templateLine
+ * @return RainTpl_SyntaxException
+ */
+ public function setTemplateLine($templateLine)
+ {
+ $this->templateLine = (int) $templateLine;
+ return $this;
+ }
+
+ /**
+ * Returns tag which caused an error.
+ *
+ * @return string
+ */
+ public function getTag()
+ {
+ return $this->tag;
+ }
+
+ /**
+ * Sets tag which caused an error.
+ *
+ * @param string $tag
+ * @return RainTpl_SyntaxException
+ */
+ public function setTag($tag)
+ {
+ $this->tag = (string) $tag;
+ return $this;
+ }
+}
+
+?>
\ No newline at end of file
projects / github / shaarli / Shaarli.git / blobdiff