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<?php
require_once "PEAR.php";
/*
Tests that need to be made:
- error class
- mixing character encodings
- a test using all expat handlers
- options (folding, output charset)
*/
class XML_Parser extends PEAR {
var $parser;
var $fp;
var $folding = true;
function XML_Parser($charset = 'UTF-8') {
$this->PEAR();
$xp = @xml_parser_create($charset);
if (is_resource($xp)) {
$this->parser = $xp;
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING,
$this->folding);
xml_set_object($xp, $this);
if (method_exists($this, "startHandler") ||
method_exists($this, "endHandler")) {
xml_set_element_handler($xp, "startHandler", "endHandler");
}
if (method_exists($this, "cdataHandler")) {
xml_set_character_data_handler($xp, "cdataHandler");
}
if (method_exists($this, "defaultHandler")) {
xml_set_default_handler($xp, "defaultHandler");
}
if (method_exists($this, "piHandler")) {
xml_set_processing_instruction_handler($xp, "piHandler");
}
if (method_exists($this, "unparsedHandler")) {
xml_set_unparsed_entity_decl_handler($xp, "unparsedHandler");
}
if (method_exists($this, "notationHandler")) {
xml_set_notation_decl_handler($xp, "notationHandler");
}
if (method_exists($this, "entityrefHandler")) {
xml_set_external_entity_ref_handler($xp, "entityrefHandler");
}
}
}
function setInputFile($file) {
$fp = @fopen($file, "r");
if (is_resource($fp)) {
$this->fp = $fp;
return $fp;
}
return new XML_Parser_Error($php_errormsg);
}
function setInput($fp) {
if (is_resource($fp)) {
$this->fp = $fp;
return true;
}
return new XML_Parser_Error("not a file resource");
}
function parse() {
if (!is_resource($this->fp)) {
return new XML_Parser_Error("no input");
}
if (!is_resource($this->parser)) {
return new XML_Parser_Error("no parser");
}
while ($data = fread($this->fp, 2048)) {
$err = $this->parseString($data, feof($this->fp));
if (PEAR::isError($err)) {
return $err;
}
}
return true;
}
function parseString($data, $eof = false) {
if (!is_resource($this->parser)) {
return new XML_Parser_Error("no parser");
}
if (!xml_parse($this->parser, $data, $eof)) {
$err = new XML_Parser_Error($this->parser);
xml_parser_free($this->parser);
return $err;
}
return true;
}
}
class XML_Parser_Error extends PEAR_Error {
var $error_message_prefix = 'XML_Parser: ';
function XML_Parser_Error($msgorparser = 'unknown error',
$code = 0,
$mode = PEAR_ERROR_RETURN,
$level = E_USER_NOTICE) {
if (is_resource($msgorparser)) {
$msgorparser =
sprintf("%s at XML input line %d",
xml_error_string(xml_get_error_code($msgorparser)),
xml_get_current_line_number($msgorparser));
}
$this->PEAR_Error($msgorparser, $code, $mode, $level);
}
}
?>
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