PHP Classes

File: PTagParser.inc

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File: PTagParser.inc
Role: ???
Content type: text/plain
Description: tag file parser class
Class: Form taglib classes
Simple HTML Form taglib
Author: By
Last change:
Date: 22 years ago
Size: 6,643 bytes
 

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<? /** * PTagParser Class * * @author Masahiro.Kobayashi < masa918@mb.infoweb.ne.jp > * @version 0.1 * */ class PTagParser { /** * array to manage tag prefix * @var array */ var $tagPrefix = array(); /** * array to manage instance name * @var array * <form:select ..../> => $instances['form']['select'] = $_form_select; */ var $instances = array(); /** * array to manage class name * @var array */ var $classes = array(); /** * @access private */ var $tagStack = array(); /** * body content */ var $bodyContent = ""; /** * * tmp dir */ var $tmpDir = "/tmp"; /** * * set tag library infomation * * @access public * @param $prefix string * @param $tag string * @param $className string */ function setTaglib($prefix,$tag,$className) { if(!in_array($prefix,$this->tagPrefix)){ $this->tagPrefix[] = $prefix; } // set to variable name $var_name = $this->makeVarName($prefix,$tag); $this->instances[$prefix][$tag] = $var_name; $this->classes[$var_name] = $className; } /** * * create taglib instance variable name * * @param $prefix string * @param $tag string * @return string * @access private */ function makeVarName($prefix,$tag) { return '$_taglib_'.$prefix.'_'.$tag; } /** * * create xml parser * * @access private */ function makeParser($encode = "UTF-8") { $parser = xml_parser_create($encode); xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0); xml_set_object($parser,$this); xml_set_element_handler($parser,"_open_element","_close_element"); xml_set_character_data_handler($parser,"_cdata"); xml_set_default_handler($parser,"_default"); //xml_set_processing_instruction_handler($parser,"_exec"); return $parser; } /** * * parse xml file * @access public */ function parse($input,$output = null) { ob_start(); // // create instance // $this->out("<?php\n"); foreach($this->tagPrefix as $prefix){ $tags = $this->instances[$prefix]; foreach($tags as $tag => $var_name){ $this->out("$var_name = new ".$this->classes[$var_name]."();\n"); } } $this->out("?>\n"); // // start parse // $parser = $this->makeParser(); $fp = fopen($input,"r"); while($line = fgets($fp,1024)){ $line =& $this->input($line); $line =& str_replace("&","&amp;",$line); if(!xml_parse($parser,$line,feof($fp))){ ob_end_clean(); die(htmlspecialchars($line)); } } $content = ob_get_contents(); ob_end_clean(); $fout = fopen($output,"w"); fputs($fout,$content); fclose($fout); fclose($fp); xml_parser_free($parser); include_once($output); } /** * * open tag * @access private */ function _open_element($parser,$name,$attrs) { $this->out($this->bodyContent); $this->bodyContent = ""; $pos = strpos($name,":"); if($pos !== false){ $prefix = substr($name,0,$pos); $tag = substr($name,$pos+1); $varname = $this->makeVarName($prefix,$tag); if(isset($this->classes[$varname])){ if(is_array($this->tagStack[$prefix])){ $curTag = current($this->tagStack[$prefix]); } // // add stack // $this->tagStack[$prefix][] = $tag; $this->out("<?php\n"); // // set parent // if($curTag != ""){ $this->out($varname."->setParent(".$this->makeVarName($prefix,$curTag).");\n"); } foreach($attrs as $key => $value){ $this->out($varname."->set(\"$key\",\"$value\");\n"); } $this->out($varname."->doStartTag();\n"); $this->out("?>"); } } else{ $this->out("<?php\n"); $this->out("print(\"<".$name."\");\n"); foreach($attrs as $key => $val ){ $this->out('print(" '.$key.'=\"'.$val.'\"'."\");\n"); } $this->out("print \">\";"); $this->out("\n?>\n"); } } /** * * close tag * * @access private * @see makeParser() */ function _close_element($parser,$name) { $pos = strpos($name,":"); if($pos !== false){ $prefix = substr($name,0,$pos); $tag = substr($name,$pos+1); $varname = $this->makeVarName($prefix,$tag); if(isset($this->classes[$varname])){ // // pop stack // if(is_array($this->tagStack[$prefix])){ $curtag = array_pop($this->tagStack[$prefix]); } $this->out("<?php\n"); $body = trim($this->bodyContent); $this->out($varname."->doBody(\"".$body."\");\n"); $this->bodyContent = ""; $this->out($varname."->doEndTag();\n"); $this->out($varname."->release();\n"); $this->out("?>"); } } else{ $this->out($this->bodyContent); $this->bodyContent = ""; $name = strtolower($name); switch($name){ case "br": case "hr": case "input": break; default: $this->out("</$name>"); } } } /** * * cdata section * * @access private * @see makeParser */ function _cdata($parser,$data) { $this->bodyContent .= $this->output($data); } /** * default section * * @access private * @see makeParser */ function _default($parser,$data) { $data = str_replace("&amp;","&",$data); $this->out($this->output($data)); } /** * output handler * * @access private */ function out($str) { print $str; } /** * file input filter */ function input(&$str) { return $str; // change EUC-JP to UTF-8 //return mb_convert_encoding($str,"UTF-8","EUC-JP"); } /** * file output filter */ function output(&$str) { return $str; // change UTF-8 to EUC-JP //return mb_convert_encoding($str,"EUC-JP","UTF-8"); } } // // create instance // $ptagParser =& new PTagParser(); function setPTaglib($prefix,$tag,$className) { global $ptagParser; $ptagParser->setTaglib($prefix,$tag,$className); } function ptagParse($input,$output) { global $ptagParser; $ptagParser->parse($input,$output); } ?>