mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-16 11:41:19 +01:00
412 lines
12 KiB
PHP
412 lines
12 KiB
PHP
<?php
|
|
|
|
include_once 'XML/WBXML.php';
|
|
include_once 'XML/WBXML/ContentHandler.php';
|
|
include_once 'XML/WBXML/DTDManager.php';
|
|
include_once 'Horde/String.php';
|
|
|
|
/**
|
|
* $Horde: framework/XML_WBXML/WBXML/Encoder.php,v 1.39 2006/01/01 21:10:25 jan Exp $
|
|
*
|
|
* Copyright 2003-2006 Anthony Mills <amills@pyramid6.com>
|
|
*
|
|
* See the enclosed file COPYING for license information (LGPL). If you
|
|
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
|
|
*
|
|
* From Binary XML Content Format Specification Version 1.3, 25 July
|
|
* 2001 found at http://www.wapforum.org
|
|
*
|
|
* @package XML_WBXML
|
|
*/
|
|
class XML_WBXML_Encoder extends XML_WBXML_ContentHandler {
|
|
|
|
var $_strings = array();
|
|
|
|
var $_stringTable;
|
|
|
|
var $_hasWrittenHeader = false;
|
|
|
|
var $_dtd;
|
|
|
|
var $_output = '';
|
|
|
|
var $_uris = array();
|
|
|
|
var $_uriNums = array();
|
|
|
|
var $_currentURI;
|
|
|
|
var $_subParser = null;
|
|
var $_subParserStack = 0;
|
|
|
|
/**
|
|
* The XML parser.
|
|
*
|
|
* @var resource
|
|
*/
|
|
var $_parser;
|
|
|
|
/**
|
|
* The DTD Manager.
|
|
*
|
|
* @var XML_WBXML_DTDManager
|
|
*/
|
|
var $_dtdManager;
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
function XML_WBXML_Encoder()
|
|
{
|
|
$this->_dtdManager = &new XML_WBXML_DTDManager();
|
|
$this->_stringTable = &new XML_WBXML_HashTable();
|
|
}
|
|
|
|
/**
|
|
* Take the input $xml and turn it into WBXML. This is _not_ the
|
|
* intended way of using this class. It is derived from
|
|
* Contenthandler and one should use it as a ContentHandler and
|
|
* produce the XML-structure with startElement(), endElement(),
|
|
* and characters().
|
|
*/
|
|
function encode($xml)
|
|
{
|
|
// Create the XML parser and set method references.
|
|
$this->_parser = xml_parser_create_ns($this->_charset);
|
|
xml_set_object($this->_parser, $this);
|
|
xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
|
|
xml_set_element_handler($this->_parser, '_startElement', '_endElement');
|
|
xml_set_character_data_handler($this->_parser, '_characters');
|
|
xml_set_processing_instruction_handler($this->_parser, '');
|
|
xml_set_external_entity_ref_handler($this->_parser, '');
|
|
|
|
if (!xml_parse($this->_parser, $xml)) {
|
|
return $this->raiseError(sprintf('XML error: %s at line %d',
|
|
xml_error_string(xml_get_error_code($this->_parser)),
|
|
xml_get_current_line_number($this->_parser)));
|
|
}
|
|
|
|
xml_parser_free($this->_parser);
|
|
|
|
return $this->_output;
|
|
}
|
|
|
|
/**
|
|
* This will write the correct headers.
|
|
*/
|
|
function writeHeader($uri)
|
|
{
|
|
$this->_dtd = &$this->_dtdManager->getInstanceURI($uri);
|
|
|
|
$dpiString = $this->_dtd->getDPI();
|
|
|
|
// Set Version Number from Section 5.4
|
|
// version = u_int8
|
|
// currently 1, 2 or 3
|
|
$this->writeVersionNumber($this->_wbxmlVersion);
|
|
|
|
// Set Document Public Idetifier from Section 5.5
|
|
// publicid = mb_u_int32 | ( zero index )
|
|
// zero = u_int8
|
|
// containing the value zero (0)
|
|
// The actual DPI is determined after the String Table is read.
|
|
$this->writeDocumentPublicIdentifier($dpiString, $this->_strings);
|
|
|
|
// Set Charset from 5.6
|
|
// charset = mb_u_int32
|
|
$this->writeCharset($this->_charset);
|
|
|
|
// Set String Table from 5.7
|
|
// strb1 = length *byte
|
|
$this->writeStringTable($this->_strings, $this->_charset, $this->_stringTable);
|
|
|
|
$this->_currentURI = $uri;
|
|
|
|
$this->_hasWrittenHeader = true;
|
|
}
|
|
|
|
function writeVersionNumber($version)
|
|
{
|
|
$this->_output .= chr($version);
|
|
}
|
|
|
|
function writeDocumentPublicIdentifier($dpiString, &$strings)
|
|
{
|
|
$i = XML_WBXML::getDPIInt($dpiString);
|
|
|
|
if ($i == 0) {
|
|
$strings[0] = $dpiString;
|
|
$this->_output .= chr(0);
|
|
$this->_output .= chr(0);
|
|
} else {
|
|
XML_WBXML::intToMBUInt32($this->_output, $i);
|
|
}
|
|
}
|
|
|
|
function writeCharset($charset)
|
|
{
|
|
$cs = XML_WBXML::getCharsetInt($charset);
|
|
|
|
if ($cs == 0) {
|
|
return $this->raiseError('Unsupported Charset: ' . $charset);
|
|
} else {
|
|
XML_WBXML::intToMBUInt32($this->_output, $cs);
|
|
}
|
|
}
|
|
|
|
function writeStringTable($strings, $charset, $stringTable)
|
|
{
|
|
$stringBytes = array();
|
|
$count = 0;
|
|
foreach ($strings as $str) {
|
|
$bytes = $this->_getBytes($str, $charset);
|
|
$stringBytes = array_merge($stringBytes, $bytes);
|
|
$nullLength = $this->_addNullByte($bytes);
|
|
$this->_stringTable->set($str, $count);
|
|
$count += count($bytes) + $nullLength;
|
|
}
|
|
|
|
XML_WBXML::intToMBUInt32($this->_output, count($stringBytes));
|
|
$this->_output .= implode('', $stringBytes);
|
|
}
|
|
|
|
function writeString($str, $cs)
|
|
{
|
|
$bytes = $this->_getBytes($str, $cs);
|
|
$this->_output .= implode('', $bytes);
|
|
$this->writeNull($cs);
|
|
}
|
|
|
|
function writeNull($charset)
|
|
{
|
|
$this->_output .= chr(0);
|
|
return 1;
|
|
}
|
|
|
|
function _addNullByte(&$bytes)
|
|
{
|
|
$bytes[] = chr(0);
|
|
return 1;
|
|
}
|
|
|
|
function _getBytes($string, $cs)
|
|
{
|
|
$string = String::convertCharset($string, $cs, 'utf-8');
|
|
$nbytes = strlen($string);
|
|
|
|
$bytes = array();
|
|
for ($i = 0; $i < $nbytes; $i++) {
|
|
$bytes[] = $string{$i};
|
|
}
|
|
|
|
return $bytes;
|
|
}
|
|
|
|
function _splitURI($tag)
|
|
{
|
|
$parts = explode(':', $tag);
|
|
$name = array_pop($parts);
|
|
$uri = implode(':', $parts);
|
|
return array($uri, $name);
|
|
}
|
|
|
|
function startElement($uri, $name, $attributes)
|
|
{
|
|
if ($this->_subParser == null) {
|
|
if (!$this->_hasWrittenHeader) {
|
|
$this->writeHeader($uri);
|
|
}
|
|
if ($this->_currentURI != $uri) {
|
|
$this->changecodepage($uri);
|
|
}
|
|
if ($this->_subParser == null) {
|
|
$this->writeTag($name, $attributes, true, $this->_charset);
|
|
} else {
|
|
$this->_subParser->startElement($uri,$name, $attributes);
|
|
}
|
|
} else {
|
|
$this->_subParserStack++;
|
|
$this->_subParser->startElement($uri,$name,$attributes);
|
|
}
|
|
}
|
|
|
|
function _startElement($parser, $tag, $attributes)
|
|
{
|
|
list($uri, $name) = $this->_splitURI($tag);
|
|
|
|
$this->startElement($uri, $name, $attributes);
|
|
}
|
|
|
|
function opaque($bytes)
|
|
{
|
|
if ($this->_subParser == null) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_OPAQUE);
|
|
XML_WBXML::intToMBUInt32($this->_output, count($bytes));
|
|
$this->_output .= $bytes;
|
|
}
|
|
}
|
|
|
|
function characters($chars)
|
|
{
|
|
$chars = trim($chars);
|
|
|
|
if (strlen($chars)) {
|
|
/* We definitely don't want any whitespace. */
|
|
if ($this->_subParser == null) {
|
|
$i = $this->_stringTable->get($chars);
|
|
if ($i != null) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_STR_T);
|
|
XML_WBXML::intToMBUInt32($this->_output, $i);
|
|
} else {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_STR_I);
|
|
$this->writeString($chars, $this->_charset);
|
|
}
|
|
} else {
|
|
$this->_subParser->characters($chars);
|
|
}
|
|
}
|
|
}
|
|
|
|
function _characters($parser, $chars)
|
|
{
|
|
$this->characters($chars);
|
|
}
|
|
|
|
function writeTag($name, $attrs, $hasContent, $cs)
|
|
{
|
|
|
|
if ($attrs != null && !count($attrs)) {
|
|
$attrs = null;
|
|
}
|
|
|
|
$t = $this->_dtd->toTagInt($name);
|
|
if ($t == -1) {
|
|
$i = $this->_stringTable->get($name);
|
|
if ($i == null) {
|
|
return $this->raiseError($name . ' is not found in String Table or DTD');
|
|
} else {
|
|
if ($attrs == null && !$hasContent) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_LITERAL);
|
|
} elseif ($attrs == null && $hasContent) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_LITERAL_A);
|
|
} elseif ($attrs != null && $hasContent) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_LITERAL_C);
|
|
} elseif ($attrs != null && !$hasContent) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_LITERAL_AC);
|
|
}
|
|
|
|
XML_WBXML::intToMBUInt32($this->_output, $i);
|
|
}
|
|
} else {
|
|
if ($attrs == null && !$hasContent) {
|
|
$this->_output .= chr($t);
|
|
} elseif ($attrs == null && $hasContent) {
|
|
$this->_output .= chr($t | 64);
|
|
} elseif ($attrs != null && $hasContent) {
|
|
$this->_output .= chr($t | 128);
|
|
} elseif ($attrs != null && !$hasContent) {
|
|
$this->_output .= chr($t | 192);
|
|
}
|
|
}
|
|
|
|
if ($attrs != null && is_array($attrs) && count($attrs) > 0 ) {
|
|
$this->writeAttributes($attrs, $cs);
|
|
}
|
|
}
|
|
|
|
function writeAttributes($attrs, $cs)
|
|
{
|
|
foreach ($attrs as $name => $value) {
|
|
$this->writeAttribute($name, $value, $cs);
|
|
}
|
|
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_END);
|
|
}
|
|
|
|
function writeAttribute($name, $value, $cs)
|
|
{
|
|
$a = $this->_dtd->toAttribute($name);
|
|
if ($a == -1) {
|
|
$i = $this->_stringTable->get($name);
|
|
if ($i == null) {
|
|
return $this->raiseError($name . ' is not found in String Table or DTD');
|
|
} else {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_LITERAL);
|
|
XML_WBXML::intToMBUInt32($this->_output, $i);
|
|
}
|
|
} else {
|
|
$this->_output .= $a;
|
|
}
|
|
|
|
$i = $this->_stringTable->get($name);
|
|
if ($i != null) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_STR_T);
|
|
XML_WBXML::intToMBUInt32($this->_output, $i);
|
|
} else {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_STR_I);
|
|
$this->writeString($value, $cs);
|
|
}
|
|
}
|
|
|
|
function endElement($uri, $name)
|
|
{
|
|
if ($this->_subParser == null) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_END);
|
|
} else {
|
|
$this->_subParser->endElement($uri, $name);
|
|
$this->_subParserStack--;
|
|
|
|
if ($this->_subParserStack == 0) {
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_OPAQUE);
|
|
|
|
XML_WBXML::intToMBUInt32($this->_output,
|
|
strlen($this->_subParser->getOutput()));
|
|
$this->_output .= $this->_subParser->getOutput();
|
|
|
|
$this->_subParser = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
function _endElement($parser, $tag)
|
|
{
|
|
list($uri, $name) = $this->_splitURI($tag);
|
|
$this->endElement($uri, $name);
|
|
}
|
|
|
|
function changecodepage($uri)
|
|
{
|
|
// @todo: this is a hack!
|
|
// what's the reason for this hack???? Lars
|
|
if ($uri != 'syncml:devinf' && $uri != 'syncml:metinf' && $uri != 'syncml:syncml1.0' && !preg_match('/1\.1$/', $uri)) {
|
|
$uri .= '1.1';
|
|
}
|
|
$cp = $this->_dtd->toCodePageURI($uri);
|
|
if (strlen($cp)) {
|
|
$this->_dtd = &$this->_dtdManager->getInstanceURI($uri);
|
|
|
|
$this->_output .= chr(XML_WBXML_GLOBAL_TOKEN_SWITCH_PAGE);
|
|
$this->_output .= chr($cp);
|
|
$this->_currentURI = $uri;
|
|
|
|
} else {
|
|
$this->_subParser = &new XML_WBXML_Encoder(true);
|
|
$this->_subParserStack = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getter for property output.
|
|
*/
|
|
function getOutput()
|
|
{
|
|
return $this->_output;
|
|
}
|
|
|
|
function getOutputSize()
|
|
{
|
|
return strlen($this->_output);
|
|
}
|
|
|
|
}
|