[Phpxd-commits] CVS: phpXD/include/parser DTDParser.php,NONE,1.1 DOMParser.php,1.2,1.3
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[Phpxd-commits] CVS: phpXD/include/parser DTDParser.php,NONE,1.1 DOMParser.php,1.2,1.3
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From: Thomas D. <th...@us...> - 2002-01-26 13:20:06
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Update of /cvsroot/phpxd/phpXD/include/parser
In directory usw-pr-cvs1:/tmp/cvs-serv12482/include/parser
Modified Files:
DOMParser.php
Added Files:
DTDParser.php
Log Message:
Just started the implementation of a DTD parser.
--- NEW FILE: DTDParser.php ---
<?php
// phpXD - a XML DOM Implementation
//
// This Software and all associated files are released unter the
// GNU Public License (GPL), see LICENSE for details.
//
// $Id: DTDParser.php,v 1.1 2002/01/26 13:20:01 thomi Exp $
/**
* Parse a dtd. EXPERIMENTAL!
*
* @package DTDParser
* @author Thomas Dohmke <th...@do...>
* @version $Revision: 1.1 $
*/
class DTDParser {
var $parseDTD = false;
var $parameterEntities;
function parse($str) {
if (!empty($str)) {
while (preg_match('=(.*)\%([a-z,A-Z,0-9,\.]*);(.*)$=sU', $str, $ent)) {
$str = preg_replace('=<!--.*-->=sU', '', $str);
while (preg_match('=(.*)<!ENTITY[ ,\n,\r,\t]*\%[ ,\n,\r,\t]*([a-z,A-Z,0-9,\.]*)[ ,\n,\r,\t]*PUBLIC[ ,\n,\r,\t]*"([a-z,A-Z,0-9,\-,/, ]*)"[ ,\n,\r,\t]*"([a-z,A-Z,0-9,\.,\-,_,/]*)"[ ,\n,\r,\t]*>(.*)$=sU', $str, $ent)) {
if ($this->file_exists($this->currentDir."/".$ent[4])) {
$this->parameterEntities[$ent[2]] =
preg_replace('=<!--.*-->=sU', '',
implode("", file($this->currentDir."/".$ent[4])));
}
$str = $ent[1].$ent[5];
}
while (preg_match('=(.*)<!ENTITY[ ,\n,\r,\t]*\%[ ,\n,\r,\t]*([a-z,A-Z,0-9,\.]*)[ ,\n,\r,\t]*"(.*)"[ ,\n,\r,\t]*>(.*)$=sU', $str, $ent)) {
$this->parameterEntities[$ent[2]] = $ent[3];
$str = $ent[1].$ent[4];
}
while (preg_match('=(.*)\%([a-z,A-Z,0-9,\.]*);(.*)$=sU', $str, $ent)) {
$str = $ent[1].$this->parameterEntities[$ent[2]].$ent[3];
}
}
$parser = xml_parser_create();
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_set_object($parser, $this);
// parse only the dtd
xml_set_default_handler($parser, "handleDefault");
// xml_set_unparsed_entity_decl_handler($parser,
// "handleUnparsedEntityDecl");
// xml_set_external_entity_ref_handler($parser, "handleExternalEntityRef");
if (!xml_parse($parser, $str, true)) {
$this->displayError("XML error in line %d column %d: %s",
xml_get_current_line_number($parser),
xml_get_current_column_number($parser),
xml_error_string(xml_get_error_code($parser)));
}
xml_parser_free($parser);
}
else {
$this->displayError("The string is empty.");
}
}
function parseFile($filename) {
if ($this->file_exists($filename)) {
$path = explode("/", $filename);
if (count($path) > 0) {
unset($path[count($path) - 1]);
$this->currentDir = implode("/", $path);
}
$content = implode("", file($filename));
$content = "<!DOCTYPE null [".$content."]><null />";
return $this->parse($content);
}
else {
$this->displayError("File %s could not be found or read.", $filename);
}
}
function parseTokens($tokens) {
// assert: tokens are all valid
$this->parseDoctype($tokens);
}
function parseDoctype($tokens) {
$token = $tokens[0];
if ($this->compareToken($token, "<!DOCTYPE")) {
$this->parseDocumentElement(array_slice($tokens, 1));
}
}
function parseDocumentElement($tokens) {
$token = $tokens[0];
$this->documentElement = $token;
$token = $tokens[1];
if ($this->compareToken($token, "[")) {
$this->parseInternalDTD(array_slice($tokens, 2));
}
if ($this->compareToken($token, "SYSTEM")) {
$this->parseExternalSystemDTD(array_slice($tokens, 2));
}
if ($this->compareToken($token, "PUBLIC")) {
$this->parseExternalPublicDTD(array_slice($tokens, 2));
}
}
function parseInternalDTD($tokens) {
}
function parseExternalSystemDTD($tokens) {
}
function parseExternalPublicDTD($tokens) {
$tokenPublicID = $this->removeQuotes($tokens[0]);
$tokenURI = $this->removeQuotes($tokens[1]);
switch ($tokenPublicID) {
case "-//W3C//DTD XHTML 1.0 Strict//EN": {
$DTDParser = new DTDParser();
// $DTDParser->parseFile("http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd");
$DTDParser->parseFile("../xhtml1-strict.dtd");
break;
}
}
// echo $tokenURI;
}
function compareToken($tok1, $tok2) {
if ($tok1 == $tok2) {
return true;
}
else {
return false;
}
}
function removeQuotes($str) {
if (($str[0] == "\"") && ($str[strlen($str) - 1] == "\"")) {
return substr($str, 1, strlen($str) - 2);
}
return $str;
}
function handleDefault($parser, $data) {
$data = trim($data);
// echo "<pre>".$data."</pre>";
if ($data == "<!DOCTYPE") {
$this->DTDTokens[] = $data;
$this->parseDTD = true;
return true;
}
if ($this->parseDTD) {
$this->DTDTokens[] = $data;
if ($data == "[") {
$this->parseInternalDTD = true;
}
if ($data == "]") {
$this->parseInternalDTD = false;
}
if (($data == ">") && (!$this->parseInternalDTD)) {
$this->parseDTD = false;
$this->parseTokens($this->DTDTokens);
}
return true;
}
}
function handleExternalEntityRef($parser, $openEntityNames, $base, $systemId, $publicId) {
echo "hier";
return true;
}
function handleUnparsedEntityDecl($parser, $entityName, $base, $systemId, $publicId, $notationName) {
echo "hier";
return true;
}
function file_exists($filename) {
$file = @fopen($filename, "r");
if (!$file) {
return false;
}
return true;
}
/**
* Displays errors, which occur while parsing.
*
* @private
* @returns void
*/
function displayError($message) {
if (func_num_args() > 1) {
$arguments = func_get_args();
$command = "\$message = sprintf(\$message, ";
for ($i = 1; $i < sizeof($arguments); $i++ ) {
$command .= "\$arguments[".$i."], ";
}
$command = eregi_replace(", $", ");", $command);
eval($command);
}
echo "<strong>phpXD error:</strong> ".$message;
exit;
}
}
Index: DOMParser.php
===================================================================
RCS file: /cvsroot/phpxd/phpXD/include/parser/DOMParser.php,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** DOMParser.php 2002/01/25 22:29:26 1.2
--- DOMParser.php 2002/01/26 13:20:01 1.3
***************
*** 50,76 ****
/**
! * The parsed DTD string. Only valid while parsing a XML file!
*
* @private
! * @type string
*/
! var $parsedDTD = false;
!
/**
! * The parsed DTD is an internal DTD. Only valid while parsing
! * a XML file!
*
* @private
! * @type boolean
*/
! var $parsedDTDInternal = false;
/**
! * A array with the defined namespaces.
! *
! * @private
! * @type array
*/
! var $namespaces = false;
/**
--- 50,74 ----
/**
! * A array with the defined namespaces.
*
* @private
! * @type array
*/
! var $namespaces = false;
!
/**
! * The DTD is parsed.
*
* @private
! * @type string
*/
! var $parseDTD = false;
! var $parseInternalDTD = false;
/**
! * ****TODO****
*/
! var $DTDParser = null;
! var $DTDTokens = "";
/**
***************
*** 97,123 ****
if (!empty($content)) {
! $this->document = new Document();
!
! $parser = xml_parser_create();
!
! xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
!
! xml_set_object($parser, $this);
!
! xml_set_element_handler($parser, "handleStartElement",
! "handleEndElement");
! xml_set_character_data_handler($parser, "handleCharacterData");
! xml_set_processing_instruction_handler($parser,
! "handleProcessingInstruction");
! xml_set_default_handler($parser, "handleDefault");
!
! if (!xml_parse($parser, $content, true)) {
! $this->displayError("XML error in file %s, line %d: %s",
! $file, xml_get_current_line_number($parser),
! xml_error_string(xml_get_error_code($parser)));
! }
!
! xml_parser_free($parser);
! return $this->document;
}
}
--- 95,99 ----
if (!empty($content)) {
! return $this->parse($content);
}
}
***************
*** 137,140 ****
--- 113,117 ----
if (!empty($str)) {
$this->document = new Document();
+ $this->DTDParser = new DTDParser();
$parser = xml_parser_create();
***************
*** 150,156 ****
"handleProcessingInstruction");
xml_set_default_handler($parser, "handleDefault");
if (!xml_parse($parser, $str, true)) {
! $this->displayError("XML error in XML-String, line %d: %s",
xml_get_current_line_number($parser),
xml_error_string(xml_get_error_code($parser)));
--- 127,134 ----
"handleProcessingInstruction");
xml_set_default_handler($parser, "handleDefault");
+ xml_set_external_entity_ref_handler($parser, "handleExternalEntityRef");
if (!xml_parse($parser, $str, true)) {
! $this->displayError("XML error in line %d: %s",
xml_get_current_line_number($parser),
xml_error_string(xml_get_error_code($parser)));
***************
*** 194,198 ****
if (!(strpos($name, ":") === false)) {
$newChild =& $this->document->createElementNS($namespace, $name);
!
if ($newChild == NAME_SPACE_ERR) {
$this->displayError("XML error: namespace not valid in line %d.",
--- 172,176 ----
if (!(strpos($name, ":") === false)) {
$newChild =& $this->document->createElementNS($namespace, $name);
!
if ($newChild == NAME_SPACE_ERR) {
$this->displayError("XML error: namespace not valid in line %d.",
***************
*** 320,375 ****
/**
! * The DTD Handler. Expat has no DTD Handler callback, so this
! * is set by handleDefault.
*
* @private
* @returns void
*/
! function handleDTD($parser, $data) {
$data = trim($data);
!
! if (!empty($data)) {
! $this->parsedDTD .= " ".$data;
! }
! if ($data == "[") {
! $this->parseDTDInternal = true;
! }
! if ($data == "]") {
! $this->parseDTDInternal = false;
}
- if ((substr($this->parsedDTD, strlen($this->parsedDTD)-1) == ">") &&
- !$this->parseDTDInternal) {
- $this->document->doctype = new DocumentType();
-
- // this is just a hack to differ between internal and external DTDs
- $DTD = explode(" ", $this->parsedDTD);
! $this->document->doctype->name = $DTD[1];
! if ($DTD[2] == "SYSTEM") {
! $this->document->doctype->systemId = $DTD[3];
! }
! else {
! if ($DTD[2] == "PUBLIC") {
! $this->document->doctype->publicId = $DTD[3];
! $this->document->doctype->systemId = $DTD[4];
! }
! else {
! $this->document->doctype->internalSubset = $this->parsedDTD;
! }
}
! xml_set_default_handler($parser, "handleDefault");
return true;
}
- }
! /**
! * The Default Handler for Expat.
! *
! * @private
! * @returns void
! */
! function handleDefault($parser, $data) {
! $data = trim($data);
if (!(strpos($data, "<!--") === false)) {
--- 298,341 ----
/**
! * The Default Handler for Expat.
*
* @private
* @returns void
*/
! function handleDefault($parser, $data) {
$data = trim($data);
!
! if ($data == "<!DOCTYPE") {
! $this->DTDTokens[] = $data;
! $this->parseDTD = true;
! return true;
}
! if ($this->parseDTD) {
! if ($data != "") {
! $this->DTDTokens[] = $data;
! }
! if ($data == "[") {
! $this->parseInternalDTD = true;
! }
! if ($data == "]") {
! $this->parseInternalDTD = false;
! }
! if (($data == ">") && (!$this->parseInternalDTD)) {
! $this->parseDTD = false;
! // $this->DTDParser->parseTokens($this->DTDTokens);
}
+ return true;
+ }
! if ($data == "<![CDATA[") {
! $this->parseCData = true;
return true;
}
! if ($data == "]]>" && $this->parseCData) {
! $this->parseCData = false;
! return true;
! }
if (!(strpos($data, "<!--") === false)) {
***************
*** 387,409 ****
}
- if ($data == "<![CDATA[") {
- $this->parseCData = true;
- return true;
- }
-
- if ($data == "]]>" && $this->parseCData) {
- $this->parseCData = false;
- return true;
- }
-
- if ($data == "<!DOCTYPE") {
- $this->parsedDTD .= $data;
- xml_set_default_handler($parser, "handleDTD");
- return true;
- }
-
return false;
}
/**
* Displays errors, which occur while parsing.
--- 353,363 ----
}
return false;
}
+ function handleExternalEntityRef($parser, $openEntityNames, $base, $systemId, $publicId) {
+ return true;
+ }
+
/**
* Displays errors, which occur while parsing.
***************
*** 430,434 ****
exit;
}
-
}
?>
--- 384,387 ----
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