Edwin Smith
593 linhas
16 KiB
C++
593 linhas
16 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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| Copyright (c) 1997-2010 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include <runtime/ext/ext_xmlreader.h>
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#include <system/lib/systemlib.h>
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namespace HPHP {
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IMPLEMENT_DEFAULT_EXTENSION(xmlreader);
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///////////////////////////////////////////////////////////////////////////////
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// constants
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const int64_t q_XMLReader$$NONE = XML_READER_TYPE_NONE;
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const int64_t q_XMLReader$$ELEMENT = XML_READER_TYPE_ELEMENT;
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const int64_t q_XMLReader$$ATTRIBUTE = XML_READER_TYPE_ATTRIBUTE;
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const int64_t q_XMLReader$$TEXT = XML_READER_TYPE_TEXT;
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const int64_t q_XMLReader$$CDATA = XML_READER_TYPE_CDATA;
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const int64_t q_XMLReader$$ENTITY_REF = XML_READER_TYPE_ENTITY_REFERENCE;
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const int64_t q_XMLReader$$ENTITY = XML_READER_TYPE_ENTITY;
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const int64_t q_XMLReader$$PI = XML_READER_TYPE_PROCESSING_INSTRUCTION;
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const int64_t q_XMLReader$$COMMENT = XML_READER_TYPE_COMMENT;
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const int64_t q_XMLReader$$DOC = XML_READER_TYPE_DOCUMENT;
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const int64_t q_XMLReader$$DOC_TYPE = XML_READER_TYPE_DOCUMENT_TYPE;
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const int64_t q_XMLReader$$DOC_FRAGMENT = XML_READER_TYPE_DOCUMENT_FRAGMENT;
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const int64_t q_XMLReader$$NOTATION = XML_READER_TYPE_NOTATION;
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const int64_t q_XMLReader$$WHITESPACE = XML_READER_TYPE_WHITESPACE;
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const int64_t q_XMLReader$$SIGNIFICANT_WHITESPACE = XML_READER_TYPE_SIGNIFICANT_WHITESPACE;
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const int64_t q_XMLReader$$END_ELEMENT = XML_READER_TYPE_END_ELEMENT;
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const int64_t q_XMLReader$$END_ENTITY = XML_READER_TYPE_END_ENTITY;
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const int64_t q_XMLReader$$XML_DECLARATION = XML_READER_TYPE_XML_DECLARATION;
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const int64_t q_XMLReader$$LOADDTD = XML_PARSER_LOADDTD;
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const int64_t q_XMLReader$$DEFAULTATTRS = XML_PARSER_DEFAULTATTRS;
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const int64_t q_XMLReader$$VALIDATE = XML_PARSER_VALIDATE;
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const int64_t q_XMLReader$$SUBST_ENTITIES = XML_PARSER_SUBST_ENTITIES;
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#define XMLREADER_LOAD_STRING 0
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#define XMLREADER_LOAD_FILE 1
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///////////////////////////////////////////////////////////////////////////////
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// helpers
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static String _xmlreader_get_valid_file_path(const char *source) {
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int isFileUri = 0;
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xmlURI *uri = xmlCreateURI();
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xmlChar *escsource = xmlURIEscapeStr((xmlChar*)source, (xmlChar*)":");
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xmlParseURIReference(uri, (char*)escsource);
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xmlFree(escsource);
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if (uri->scheme != NULL) {
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/* absolute file uris - libxml only supports localhost or empty host */
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if (strncasecmp(source, "file:///",8) == 0) {
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isFileUri = 1;
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source += 7;
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} else if (strncasecmp(source, "file://localhost/",17) == 0) {
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isFileUri = 1;
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source += 16;
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}
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}
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String file_dest = String(source, CopyString);
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if ((uri->scheme == NULL || isFileUri)) {
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file_dest = File::TranslatePath(file_dest);
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}
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xmlFreeURI(uri);
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return file_dest;
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}
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static xmlRelaxNGPtr _xmlreader_get_relaxNG(String source, int type,
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xmlRelaxNGValidityErrorFunc error_func,
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xmlRelaxNGValidityWarningFunc warn_func )
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{
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xmlRelaxNGParserCtxtPtr parser = NULL;
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xmlRelaxNGPtr sptr;
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String valid_file;
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switch (type) {
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case XMLREADER_LOAD_FILE:
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valid_file = _xmlreader_get_valid_file_path(source.c_str());
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if (valid_file.empty()) {
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return NULL;
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}
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parser = xmlRelaxNGNewParserCtxt(valid_file.c_str());
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break;
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case XMLREADER_LOAD_STRING:
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parser = xmlRelaxNGNewMemParserCtxt(source.data(), source.size());
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/* If loading from memory, we need to set the base directory for the document
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but it is not apparent how to do that for schema's */
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break;
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default:
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return NULL;
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}
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if (parser == NULL) {
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return NULL;
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}
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if (error_func || warn_func) {
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xmlRelaxNGSetParserErrors(parser,
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(xmlRelaxNGValidityErrorFunc) error_func,
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(xmlRelaxNGValidityWarningFunc) warn_func,
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parser);
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}
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sptr = xmlRelaxNGParse(parser);
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xmlRelaxNGFreeParserCtxt(parser);
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return sptr;
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}
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///////////////////////////////////////////////////////////////////////////////
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c_XMLReader::c_XMLReader(VM::Class* cb) :
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ExtObjectDataFlags<ObjectData::UseGet>(cb), m_ptr(NULL), m_input(NULL), m_schema(NULL) {
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}
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c_XMLReader::~c_XMLReader() {
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close_impl();
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}
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void c_XMLReader::t___construct() {
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}
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bool c_XMLReader::t_open(CStrRef uri, CStrRef encoding /*= null_string*/, int64_t options /*= 0*/) {
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if (m_ptr) {
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t_close();
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}
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if (uri.empty()) {
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raise_warning("Empty string supplied as input");
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return false;
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}
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String valid_file = _xmlreader_get_valid_file_path(uri.c_str());
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xmlTextReaderPtr reader = NULL;
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if (!valid_file.empty()) {
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reader = xmlReaderForFile(valid_file.data(), encoding.data(), options);
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}
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if (reader == NULL) {
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raise_warning("Unable to open source data");
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return false;
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}
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m_ptr = reader;
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return true;
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}
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bool c_XMLReader::t_xml(CStrRef source, CStrRef encoding /*= null_string*/, int64_t options /*= 0*/) {
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xmlParserInputBufferPtr inputbfr = xmlParserInputBufferCreateMem(source.c_str(), source.size(), XML_CHAR_ENCODING_NONE);
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if (inputbfr != NULL) {
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char *uri = NULL;
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String directory = g_context->getCwd();
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if (!directory.empty()) {
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if (directory[directory.size() - 1] != '/') {
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directory += '/';
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}
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uri = (char *) xmlCanonicPath((const xmlChar *) directory.c_str());
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}
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xmlTextReaderPtr reader = xmlNewTextReader(inputbfr, uri);
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if (reader != NULL) {
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int ret = 0;
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#if LIBXML_VERSION >= 20628
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ret = xmlTextReaderSetup(reader, NULL, uri, encoding.data(), options);
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#endif
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if (ret == 0) {
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m_ptr = reader;
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m_input = inputbfr;
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if (uri) {
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xmlFree(uri);
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}
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return true;
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}
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}
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if (uri) {
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xmlFree(uri);
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}
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}
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if (inputbfr) {
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xmlFreeParserInputBuffer(inputbfr);
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}
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raise_warning("Unable to load source data");
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return false;
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}
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void c_XMLReader::close_impl() {
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if (m_ptr) {
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xmlFreeTextReader(m_ptr);
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m_ptr = NULL;
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}
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if (m_input) {
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xmlFreeParserInputBuffer(m_input);
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m_input = NULL;
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}
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if (m_schema) {
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xmlRelaxNGFree((xmlRelaxNGPtr) m_schema);
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m_schema = NULL;
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}
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}
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bool c_XMLReader::t_close() {
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close_impl();
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return true;
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}
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bool c_XMLReader::t_read() {
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if (m_ptr) {
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int ret = xmlTextReaderRead(m_ptr);
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if (ret == -1) {
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raise_warning("An Error Occured while reading");
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return false;
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} else {
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return ret;
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}
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}
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raise_warning("Load Data before trying to read");
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return false;
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}
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bool c_XMLReader::t_next(CStrRef localname /*= null_string*/) {
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if (m_ptr) {
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int ret = xmlTextReaderNext(m_ptr);
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while (!localname.empty() && ret == 1) {
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if (xmlStrEqual(xmlTextReaderConstLocalName(m_ptr), (xmlChar *)localname.data())) {
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return true;
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}
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ret = xmlTextReaderNext(m_ptr);
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}
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if (ret == -1) {
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raise_warning("An Error Occured while reading");
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return false;
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} else {
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return ret;
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}
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}
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raise_warning("Load Data before trying to read");
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return false;
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}
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String c_XMLReader::read_string_func(xmlreader_read_char_t internal_function) {
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char *retchar = NULL;
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if (m_ptr) {
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retchar = (char *)internal_function(m_ptr);
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}
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if (retchar) {
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String ret((const char*)retchar, CopyString);
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xmlFree(retchar);
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return ret;
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} else {
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return String("");
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}
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}
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String c_XMLReader::t_readstring() {
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return read_string_func(xmlTextReaderReadString);
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}
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String c_XMLReader::t_readinnerxml() {
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return read_string_func(xmlTextReaderReadInnerXml);
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}
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String c_XMLReader::t_readouterxml() {
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return read_string_func(xmlTextReaderReadString);
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}
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bool c_XMLReader::bool_func_no_arg(xmlreader_read_int_t internal_function) {
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if (m_ptr) {
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int ret = internal_function(m_ptr);
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if (ret == 1) {
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return true;
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}
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}
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return false;
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}
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Variant c_XMLReader::string_func_string_arg(String value, xmlreader_read_one_char_t internal_function) {
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if (value.empty()) {
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raise_warning("Argument cannot be an empty string");
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return false;
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}
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char *retchar = NULL;
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if (m_ptr) {
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retchar = (char *)internal_function(m_ptr, (const unsigned char *)value.data());
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}
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if (retchar) {
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String ret((const char*)retchar, CopyString);
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xmlFree(retchar);
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return ret;
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} else {
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return uninit_null();
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}
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}
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Variant c_XMLReader::t_getattribute(CStrRef name) {
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return string_func_string_arg(name, xmlTextReaderGetAttribute);
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}
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Variant c_XMLReader::t_getattributeno(int64_t index) {
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char *retchar = NULL;
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if (m_ptr) {
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retchar = (char *)xmlTextReaderGetAttributeNo(m_ptr, index);
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}
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if (retchar) {
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String ret((const char*)retchar, CopyString);
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xmlFree(retchar);
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return ret;
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} else {
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return uninit_null();
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}
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}
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Variant c_XMLReader::t_getattributens(CStrRef name, CStrRef namespaceURI) {
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if (name.empty() || namespaceURI.empty()) {
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raise_warning("Attribute Name and Namespace URI cannot be empty");
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return false;
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}
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char *retchar = NULL;
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if (m_ptr) {
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retchar = (char *)xmlTextReaderGetAttributeNs(m_ptr,
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(xmlChar *)name.data(),
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(xmlChar *)namespaceURI.data());
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}
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if (retchar) {
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String ret((const char*)retchar, CopyString);
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xmlFree(retchar);
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return ret;
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} else {
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return uninit_null();
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}
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}
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bool c_XMLReader::t_movetoattribute(CStrRef name) {
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if (name.empty()) {
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raise_warning("Attribute Name is required");
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return false;
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}
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if (m_ptr) {
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int ret = xmlTextReaderMoveToAttribute(m_ptr, (xmlChar *)name.data());
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if (ret == 1) {
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return true;
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}
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}
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return false;
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}
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bool c_XMLReader::t_movetoattributeno(int64_t index) {
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if (m_ptr) {
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int ret = xmlTextReaderMoveToAttributeNo(m_ptr, index);
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if (ret == 1) {
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return true;
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}
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}
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return false;
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}
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bool c_XMLReader::t_movetoattributens(CStrRef name, CStrRef namespaceURI) {
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if (name.empty() || namespaceURI.empty()) {
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raise_warning("Attribute Name and Namespace URI cannot be empty");
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return false;
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}
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if (m_ptr) {
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int ret = xmlTextReaderMoveToAttributeNs(m_ptr,
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(xmlChar *)name.data(),
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(xmlChar *)namespaceURI.data());
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if (ret == 1) {
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return true;
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}
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}
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return false;
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}
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bool c_XMLReader::t_movetoelement() {
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return bool_func_no_arg(xmlTextReaderMoveToElement);
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}
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bool c_XMLReader::t_movetofirstattribute() {
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return bool_func_no_arg(xmlTextReaderMoveToFirstAttribute);
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}
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bool c_XMLReader::t_movetonextattribute() {
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return bool_func_no_arg(xmlTextReaderMoveToNextAttribute);
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}
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bool c_XMLReader::t_isvalid() {
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return bool_func_no_arg(xmlTextReaderIsValid);
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}
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bool c_XMLReader::t_expand() {
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throw NotImplementedException(__func__);
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}
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bool c_XMLReader::t_getparserproperty(int64_t property) {
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int ret = 0;
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if (m_ptr) {
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ret = xmlTextReaderGetParserProp(m_ptr, property);
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}
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if (ret == -1) {
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raise_warning("Invalid parser property");
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return false;
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}
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return ret;
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}
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Variant c_XMLReader::t_lookupnamespace(CStrRef prefix) {
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return string_func_string_arg(prefix, xmlTextReaderLookupNamespace);
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}
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bool c_XMLReader::t_setschema(CStrRef source) {
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if (source.empty()) {
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raise_warning("Schema data source is required");
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return false;
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}
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if (m_ptr) {
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int ret = xmlTextReaderSchemaValidate(m_ptr, source.c_str());
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if (ret == 0) {
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return true;
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}
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}
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raise_warning("Unable to set schema. This must be set prior to reading or schema contains errors.");
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return false;
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}
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bool c_XMLReader::t_setparserproperty(int64_t property, bool value) {
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if (m_ptr) {
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int ret = xmlTextReaderSetParserProp(m_ptr, property, value);
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if (ret == -1) {
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raise_warning("Invalid parser property");
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return false;
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}
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return true;
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}
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return false;
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}
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bool c_XMLReader::set_relaxng_schema(String source, int type) {
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if (source.empty()) {
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raise_warning("Schema data source is required");
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return false;
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}
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if (m_ptr) {
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int ret = -1;
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xmlRelaxNGPtr schema = NULL;
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if (!source.empty()) {
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schema = _xmlreader_get_relaxNG(source, type, NULL, NULL);
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if (schema) {
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ret = xmlTextReaderRelaxNGSetSchema(m_ptr, schema);
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}
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} else {
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ret = xmlTextReaderRelaxNGSetSchema(m_ptr, NULL);
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}
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if (ret == 0) {
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if (m_schema) {
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xmlRelaxNGFree((xmlRelaxNGPtr) m_schema);
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}
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m_schema = schema;
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return true;
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}
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}
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raise_warning("Unable to set schema. This must be set prior to reading or schema contains errors.");
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return false;
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}
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bool c_XMLReader::t_setrelaxngschema(CStrRef filename) {
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return set_relaxng_schema(filename, XMLREADER_LOAD_FILE);
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}
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bool c_XMLReader::t_setrelaxngschemasource(CStrRef source) {
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return set_relaxng_schema(source, XMLREADER_LOAD_STRING);
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}
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///////////////////////////////////////////////////////////////////////////////
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struct PropertyAccessor {
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const char *name;
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int (*getter_int)(xmlTextReaderPtr);
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const xmlChar* (*getter_char)(xmlTextReaderPtr);
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int return_type;
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};
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class PropertyAccessorMap : private hphp_const_char_imap<PropertyAccessor*> {
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public:
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explicit PropertyAccessorMap(PropertyAccessor* props,
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PropertyAccessorMap *base = nullptr) {
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if (base) {
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*this = *base;
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}
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for (PropertyAccessor *p = props; p->name; p++) {
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(*this)[p->name] = p;
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}
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}
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PropertyAccessor* get(CVarRef name) {
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if (name.isString()) {
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const_iterator iter = find(name.toString().data());
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if (iter != end()) {
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return iter->second;
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}
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}
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return NULL;
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}
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};
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static PropertyAccessor xmlreader_properties[] = {
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{ "attributeCount", xmlTextReaderAttributeCount, NULL, KindOfInt64 },
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{ "baseURI", NULL, xmlTextReaderConstBaseUri, KindOfString },
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|
{ "depth", xmlTextReaderDepth, NULL, KindOfInt64 },
|
|
{ "hasAttributes", xmlTextReaderHasAttributes, NULL, KindOfBoolean },
|
|
{ "hasValue", xmlTextReaderHasValue, NULL, KindOfBoolean },
|
|
{ "isDefault", xmlTextReaderIsDefault, NULL, KindOfBoolean },
|
|
{ "isEmptyElement", xmlTextReaderIsEmptyElement, NULL, KindOfBoolean },
|
|
{ "localName", NULL, xmlTextReaderConstLocalName, KindOfString },
|
|
{ "name", NULL, xmlTextReaderConstName, KindOfString },
|
|
{ "namespaceURI", NULL, xmlTextReaderConstNamespaceUri, KindOfString },
|
|
{ "nodeType", xmlTextReaderNodeType, NULL, KindOfInt64 },
|
|
{ "prefix", NULL, xmlTextReaderConstPrefix, KindOfString },
|
|
{ "value", NULL, xmlTextReaderConstValue, KindOfString },
|
|
{ "xmlLang", NULL, xmlTextReaderConstXmlLang, KindOfString },
|
|
{ NULL, NULL, NULL }
|
|
};
|
|
|
|
static PropertyAccessorMap xmlreader_properties_map
|
|
((PropertyAccessor*)xmlreader_properties);
|
|
|
|
Variant c_XMLReader::t___get(Variant name) {
|
|
const xmlChar *retchar = NULL;
|
|
int retint = 0;
|
|
|
|
PropertyAccessor *propertyMap = xmlreader_properties_map.get(name);
|
|
if (m_ptr) {
|
|
if (propertyMap->getter_char) {
|
|
retchar = propertyMap->getter_char(m_ptr);
|
|
} else if (propertyMap->getter_int) {
|
|
retint = propertyMap->getter_int(m_ptr);
|
|
}
|
|
}
|
|
|
|
switch (propertyMap->return_type) {
|
|
case KindOfString:
|
|
if (retchar) {
|
|
return String((char*)retchar, CopyString);
|
|
} else {
|
|
return String("");
|
|
}
|
|
case KindOfBoolean:
|
|
return (retint ? true : false);
|
|
|
|
case KindOfInt64:
|
|
return retint;
|
|
|
|
default:
|
|
return uninit_null();
|
|
}
|
|
return uninit_null();
|
|
}
|
|
|
|
Variant c_XMLReader::t___destruct() {
|
|
return uninit_null();
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
}
|