diff options
Diffstat (limited to 'ACEXML/parser/parser/Parser.cpp')
| -rw-r--r-- | ACEXML/parser/parser/Parser.cpp | 1963 |
1 files changed, 0 insertions, 1963 deletions
diff --git a/ACEXML/parser/parser/Parser.cpp b/ACEXML/parser/parser/Parser.cpp deleted file mode 100644 index d3a0b80d1bb..00000000000 --- a/ACEXML/parser/parser/Parser.cpp +++ /dev/null @@ -1,1963 +0,0 @@ -// $Id$ - -#include "ACEXML/parser/parser/Parser.h" -#include "ACEXML/common/Transcode.h" -#include "ACEXML/common/AttributesImpl.h" -#include "ace/ACE.h" - -static const ACEXML_Char default_attribute_type[] = {'C', 'D', 'A', 'T', 'A', 0}; -static const ACEXML_Char empty_string[] = { 0 }; - -const ACEXML_Char -ACEXML_Parser::simple_parsing_feature_[] = { 'S', 'i', 'm', 'p', 'l', 'e', 0 }; - -const ACEXML_Char -ACEXML_Parser::namespaces_feature_[] = {'h', 't', 't', 'p', ':', '/', '/', 'x', 'm', 'l', '.', 'o', 'r', 'g', '/', 's', 'a', 'x', '/', 'f', 'e', 'a', 't', 'u', 'r', 'e', 's', '/', 'n', 'a', 'm', 'e', 's', 'p', 'a', 'c', 'e', 's', 0 }; - -const ACEXML_Char -ACEXML_Parser::namespace_prefixes_feature_[] = {'h', 't', 't', 'p', ':', '/', '/', 'x', 'm', 'l', '.', 'o', 'r', 'g', '/', 's', 'a', 'x', '/', 'f', 'e', 'a', 't', 'u', 'r', 'e', 's', '/', 'n', 'a', 'm', 'e', 's', 'p', 'a', 'c', 'e', '-', 'p', 'r', 'e', 'f', 'i', 'x', 'e', 's', 0 }; - -#if !defined (__ACEXML_INLINE__) -# include "ACEXML/parser/parser/Parser.i" -#endif /* __ACEXML_INLINE__ */ - -ACEXML_Parser::ACEXML_Parser (void) - : dtd_handler_ (0), - entity_resolver_ (0), - content_handler_ (0), - error_handler_ (0), - instream_ (0), - doctype_ (0), - dtd_system_ (0), - dtd_public_ (0), - locator_(), - simple_parsing_ (0), - namespaces_(1), - namespace_prefixes_ (0) -{ -} - -ACEXML_Parser::~ACEXML_Parser (void) -{ -} - -int -ACEXML_Parser::getFeature (const ACEXML_Char *name ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, - ACEXML_SAXNotSupportedException)) -{ - if (ACE_OS::strcmp (name, - ACEXML_Parser::simple_parsing_feature_) == 0) - { - return this->simple_parsing_; - } - else if (ACE_OS::strcmp (name, - ACEXML_Parser::namespaces_feature_) == 0) - { - return this->namespaces_; - } - else if (ACE_OS::strcmp (name, - ACEXML_Parser::namespace_prefixes_feature_) == 0) - { - return this->namespace_prefixes_; - } - - ACEXML_THROW_RETURN (ACEXML_SAXNotRecognizedException (name), -1); -} - - - -void -ACEXML_Parser::setFeature (const ACEXML_Char *name, - int boolean_value ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, - ACEXML_SAXNotSupportedException)) -{ - if (ACE_OS::strcmp (name, - ACEXML_Parser::simple_parsing_feature_) == 0) - { - this->simple_parsing_ = (boolean_value == 0 ? 0 : 1); - return; - } - else if (ACE_OS::strcmp (name, - ACEXML_Parser::namespaces_feature_) == 0) - { - this->namespaces_ = (boolean_value == 0 ? 0 : 1); - return; - } - else if (ACE_OS::strcmp (name, - ACEXML_Parser::namespace_prefixes_feature_) == 0) - { - this->namespace_prefixes_ = (boolean_value == 0 ? 0 : 1); - return; - } - - ACEXML_THROW (ACEXML_SAXNotRecognizedException (name)); -} - -void * -ACEXML_Parser::getProperty (const ACEXML_Char *name ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, - ACEXML_SAXNotSupportedException)) -{ - ACEXML_THROW_RETURN (ACEXML_SAXNotSupportedException (name), 0); -} - -void -ACEXML_Parser::setProperty (const ACEXML_Char *name, - void *value ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, - ACEXML_SAXNotSupportedException)) -{ - ACE_UNUSED_ARG (value); - - ACEXML_THROW (ACEXML_SAXNotSupportedException (name)); -} - -void -ACEXML_Parser::report_error (const ACEXML_Char* message ACEXML_ENV_ARG_DECL) -{ - ACEXML_SAXParseException* exception = 0; - ACE_NEW_NORETURN (exception, - ACEXML_SAXParseException (message)); - if (this->error_handler_) - this->error_handler_->error (*exception ACEXML_ENV_ARG_PARAMETER); - else - ACEXML_ENV_RAISE (exception); - return; -} - -void -ACEXML_Parser::report_warning (const ACEXML_Char* message ACEXML_ENV_ARG_DECL) -{ - ACEXML_SAXParseException* exception = 0; - ACE_NEW_NORETURN (exception, - ACEXML_SAXParseException (message)); - if (this->error_handler_) - this->error_handler_->warning (*exception ACEXML_ENV_ARG_PARAMETER); - return; -} - -void -ACEXML_Parser::report_fatal_error (const ACEXML_Char* message ACEXML_ENV_ARG_DECL) -{ - ACEXML_SAXParseException* exception = 0; - ACE_NEW_NORETURN (exception, - ACEXML_SAXParseException (message)); - if (this->error_handler_) - this->error_handler_->fatalError (*exception ACEXML_ENV_ARG_PARAMETER); - ACEXML_ENV_RAISE (exception); - return; -} - -void -ACEXML_Parser::parse (ACEXML_InputSource *input ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXException)) -{ - if (input == 0 || (this->instream_ = input->getCharStream ()) == 0) - { - this->report_fatal_error(ACE_TEXT ("Invalid input source") ACEXML_ENV_ARG_PARAMETER); - return; - } - - // Set up Locator. At this point, the systemId and publicId are null. We - // can't do better, as we don't know anything about the InputSource - // currently, and according to the SAX spec, the parser should set up the - // locator before reporting any document events. - if (this->content_handler_) - this->content_handler_->setDocumentLocator (&this->locator_); - - if (this->simple_parsing_ == 0) - { - this->parse_xml_prolog (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - } - - this->content_handler_->startDocument (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - - int doctype_defined = 0; - - for (int prolog_done = 0; prolog_done == 0; ) - { - if (this->skip_whitespace (0) != '<') - { - this->report_fatal_error (ACE_TEXT ("Expecting '<'") ACEXML_ENV_ARG_PARAMETER); - return; - } - ACEXML_Char fwd = this->peek (); - switch (fwd) - { - case '!': - this->get (); // consume the '!' - fwd = this->peek (); - if (fwd == 'D' && !doctype_defined) // DOCTYPE - { - // This will also take care of the trailing MISC block if any. - this->parse_doctypedecl (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - doctype_defined = 1; - break; - } - else if (fwd == '-') // COMMENT - { - if (this->grok_comment () < 0) - { - this->report_fatal_error(ACE_TEXT ("Invalid comment") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - else - { - this->report_fatal_error (ACE_TEXT ("Duplicate DOCTYPE definitions") ACEXML_ENV_ARG_PARAMETER); - return; - } - break; - case '?': - this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - break; - case 0: - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return; - default: // Root element begins - prolog_done = 1; - break; - } - } - - // Now parse root element. - this->parse_element (1 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - - this->content_handler_->endDocument (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - - // Reset the Locator held within the parser - this->locator_.reset(); -} - -void -ACEXML_Parser::parse (const ACEXML_Char *systemId ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXException)) -{ - // @@ Not implemented. - ACE_UNUSED_ARG (systemId); - - ACEXML_THROW (ACEXML_SAXNotSupportedException ()); -} - - -void -ACEXML_Parser::parse_xml_prolog (ACEXML_ENV_SINGLE_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXException)) -{ - if (this->parse_token (ACE_TEXT("<?xml")) < 0) - { - this->report_fatal_error(ACE_TEXT ("Invalid XMLDecl ('<?xml' ?)") ACEXML_ENV_ARG_PARAMETER); - return; - } - - ACEXML_Char *astring; - - if (this->skip_whitespace (0) != 'v' // Discard whitespace - || (this->parse_token (ACE_TEXT("ersion")) < 0) - || this->skip_equal () != 0 - || this->get_quoted_string (astring) != 0) - { - this->report_fatal_error (ACE_TEXT ("Unrecognized XMLDecl ('version'?)") ACEXML_ENV_ARG_PARAMETER); - return; - } - // @@ Handle version number here. - int xmldecl_state = 0; - int seen_encoding = 0; - - while (1) - { - ACEXML_Char fwd = this->peek (); - if (fwd != '?') - { - fwd = this->skip_whitespace (0); // Discard whitespace - if (fwd == '?') - { - // Fall down to consume the '?' and wrap up the XML Decl parsing. - } - else if (xmldecl_state == 0 && fwd == 'e') - { - if ((this->parse_token (ACE_TEXT("ncoding")) == 0) && - this->skip_equal () == 0 && - this->get_quoted_string (astring) == 0) - { - if (seen_encoding) - { - this->report_fatal_error (ACE_TEXT ("Duplicate encoding defined") ACEXML_ENV_ARG_PARAMETER); - return; - } - else - { - seen_encoding = 1; - if (ACE_OS::strcmp (astring, - this->instream_->getEncoding()) != 0) - { - if (ACE_OS::strstr (astring, - this->instream_->getEncoding()) != 0) - { - ACE_ERROR ((LM_ERROR, - ACE_TEXT ("Detected Encoding is %s : Declared Encoding is %s"), - this->instream_->getEncoding(), astring)); - this->report_fatal_error (ACE_TEXT ("Encoding declaration doesn't match detected encoding") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - } - continue; - } - else - break; - } - else if (xmldecl_state < 2 && fwd == 's') - { - if ((this->parse_token (ACE_TEXT("tandalone")) == 0) && - this->skip_equal () == 0 && - this->get_quoted_string (astring) == 0) - { - xmldecl_state = 2; - if (ACE_OS::strcmp (astring, ACE_TEXT ("yes")) == 0) - { - // @@ This is a standalone XML file. - continue; - } - else if (ACE_OS::strcmp (astring, ACE_TEXT ("no")) == 0) - { - // @@ This is not a stand alone XML file. - continue; - } - } - break; - } - else - break; - } - if (this->parse_token (ACE_TEXT ("?>")) < 0) - break; - return; - } // End parsing XML Decl. - this->report_fatal_error (ACE_TEXT ("Unrecognized XML Decl ('standalone'?)") ACEXML_ENV_ARG_PARAMETER); - return; -} - -int -ACEXML_Parser::grok_comment (void) -{ - /// Simply filter out all the comment - int state = 0; - - if (this->get () != '-' || // Skip the opening "<!--" - this->get () != '-' || // completely. - this->get () == '-') // and at least something not '-'. - return -1; - - while (state < 3) - // Waiting for the trailing three character '-->'. Notice that - // according to the spec, '--->' is not a valid closing comment - // sequence. But we'll let it pass anyway. - { - ACEXML_Char fwd = this->get (); - if ((fwd == '-' && state < 2) || - (fwd == '>' && state == 2)) - state += 1; - else - state = 0; // Reset parse state. - } - return 0; -} - -int -ACEXML_Parser::parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_DECL) -{ - if (this->get () != '?') - { // How did we get here? - this->report_fatal_error(ACE_TEXT ("Internal error") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - const ACEXML_Char *pitarget = this->read_name (); - ACEXML_Char *instruction = 0; - - if (ACE_OS::strcasecmp (ACE_TEXT ("xml"), pitarget) != 0) - { - // Invalid PITarget name. - this->report_fatal_error(ACE_TEXT ("PITarget name cannot start with 'xml'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - int state = 0; - ACEXML_Char ch = this->skip_whitespace (0); - - while (state < 2) - { - switch (ch) - { - case '?': - if (state == 0) - state = 1; - break; - case '>': - if (state == 1) - { - instruction = this->obstack_.freeze (); - this->content_handler_->processingInstruction (pitarget, - instruction ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - this->obstack_.unwind (ACE_const_cast (ACEXML_Char*, pitarget)); - return 0; - } - break; - case 0x0D: // End-of-Line handling - ch = (this->peek () == 0x0A ? this->get () : 0x0A); - // Fall thru... - case 0x0A: - // Fall thru... - default: - if (state == 1) - this->obstack_.grow ('?'); - this->obstack_.grow (ch); - state = 0; - } - ch = this->get (); - } - return -1; -} - -int -ACEXML_Parser::parse_doctypedecl (ACEXML_ENV_SINGLE_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXException)) -{ - if (this->parse_token (ACE_TEXT ("DOCTYPE")) < 0) - { - this->report_fatal_error(ACE_TEXT ("Expecting keyword 'DOCTYPE'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char nextch = this->skip_whitespace (0); - if (nextch == 0) - { - this->report_fatal_error(ACE_TEXT ("Expecting a DOCTYPE name") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->doctype_ = this->read_name (nextch); - - this->skip_whitespace_count (&nextch); - - if (nextch == 'S' || nextch == 'P') // ExternalID defined - { - this->parse_external_id_and_ref (this->dtd_public_, - this->dtd_system_ - ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); -// if (this->dtd_public_ == 0) -// ACE_DEBUG ((LM_DEBUG, -// ACE_TEXT ("ACEXML Parser got external DTD id: SYSTEM %s\n"), -// this->dtd_system_)); -// else -// ACE_DEBUG ((LM_DEBUG, -// ACE_TEXT ("ACEXML Parser got DTD external id: PUBLIC %s %s\n"), -// this->dtd_public_, this->dtd_system_)); - } - - nextch = this->skip_whitespace (0); - switch (nextch) - { - case '[': // Internal DTD definition - if (this->parse_internal_dtd (ACEXML_ENV_SINGLE_ARG_PARAMETER) < 0) - return -1; // Error in markupdecl - break; - case '>': // End of DTD definition - // this is an XML document without a dectypedecl. - return 0; - case '0': - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return -1; - default: - break; - } - - if (this->skip_whitespace (0) != '>') - { - this->report_fatal_error(ACE_TEXT ("Internal error") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - return 0; -} - -void -ACEXML_Parser::parse_element (int is_root ACEXML_ENV_ARG_DECL) - ACE_THROW_SPEC ((ACEXML_SAXException)) -{ - // Parse STag. - const ACEXML_Char *startname = this->read_name (); - if (startname == 0) - { - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return; - } - if (is_root && this->doctype_ != 0 - && ACE_OS::strcmp (startname, this->doctype_) != 0) - { - this->report_fatal_error (ACE_TEXT ("Root element missing") ACEXML_ENV_ARG_PARAMETER); - return; - } - ACEXML_AttributesImpl attributes; - ACEXML_Char ch; - int new_namespace = 0; - const ACEXML_Char *endname = 0; - const ACEXML_Char *ns_uri, *ns_lname; // namespace URI and localName - ACEXML_Char* prefix = 0; - ACEXML_Char* name = 0; - for (int start_element_done = 0; start_element_done == 0;) - { - ch = this->skip_whitespace (0); - - switch (ch) - { - case 0: - this->report_fatal_error(ACE_TEXT ("Internal error") ACEXML_ENV_ARG_PARAMETER); - return; - case '/': - if (this->get () != '>') - { - this->report_fatal_error(ACE_TEXT ("Expecting '>'") ACEXML_ENV_ARG_PARAMETER); - return; - } - else - { - this->xml_namespace_.processName(startname, ns_uri, ns_lname, 0); - prefix = ACE_const_cast (ACEXML_Char*, - this->xml_namespace_.getPrefix(ns_uri)); - this->report_prefix_mapping (prefix, ns_uri, ns_lname, 1 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->content_handler_->startElement (ns_uri, ns_lname, - startname, &attributes ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->content_handler_->endElement (ns_uri, ns_lname, startname ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->report_prefix_mapping (prefix, ns_uri, ns_lname, 0 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - } - if (new_namespace != 0) - this->xml_namespace_.popContext (); - return; - - case '>': - { - this->xml_namespace_.processName (startname, ns_uri, ns_lname, 0); - prefix = ACE_const_cast (ACEXML_Char*, - this->xml_namespace_.getPrefix (ns_uri)); - this->report_prefix_mapping (prefix, ns_uri, ns_lname, 1 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->content_handler_->startElement (ns_uri, ns_lname, startname, - &attributes ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - start_element_done = 1; - break; - } - default: - ACEXML_Char *attvalue = 0; - ACEXML_Char *attname = this->read_name (ch); - - if (attname == 0 || - this->skip_equal () != 0 || - this->get_quoted_string (attvalue) != 0) - { - this->report_fatal_error(ACE_TEXT ("Error reading attribute") ACEXML_ENV_ARG_PARAMETER); - return; - } - - // Handling new namespace if any. Notice that the order of - // namespace declaration does matter. - if (ACE_OS::strncmp (attname, ACE_TEXT("xmlns"), 5) == 0) - { - if (this->namespaces_) - { - if (new_namespace == 0) - { - this->xml_namespace_.pushContext (); - new_namespace = 1; - } - name = ACE_OS::strchr (attname, ':'); - const ACEXML_Char* ns_name = (name == 0)?empty_string:name+1; - if (this->xml_namespace_.declarePrefix (ns_name, - attvalue) == -1) - { - this->report_fatal_error(ACE_TEXT ("Duplicate namespace prefix") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - if (this->namespace_prefixes_) - { - // Namespace_prefixes_feature_ is required. So add the - // xmlns:foo to the list of attributes. - if (attributes.addAttribute (0, 0, attname, - default_attribute_type, - attvalue) == -1) - { - this->report_fatal_error(ACE_TEXT ("Duplicate attribute found") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - if (!this->namespaces_ && !this->namespace_prefixes_) - { - this->report_fatal_error(ACE_TEXT ("Both namespaces feature and namespace_prefixes feature are false. Illegal Mode") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - else - { - const ACEXML_Char *uri, *lName; - this->xml_namespace_.processName (attname, uri, lName, 1); - if (attributes.addAttribute (uri, lName, attname, - default_attribute_type, - attvalue) == -1) - { - this->report_fatal_error(ACE_TEXT ("Duplicate attribute found") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - break; - } - } - ACEXML_Char *cdata; - size_t cdata_length = 0; - - // Parse element contents. - while (1) - { - ACEXML_Char ch = this->get (); - - switch (ch) - { - case 0: - this->report_fatal_error(ACE_TEXT ("Internal error") ACEXML_ENV_ARG_PARAMETER); - return; - case '<': - // Push out old 'characters' event. - if (cdata_length != 0) - { - cdata = this->obstack_.freeze (); - this->content_handler_->characters (cdata, 0, - ACE_static_cast (int, cdata_length) - ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->obstack_.unwind (cdata); - cdata_length = 0; - } - - switch (this->peek ()) - { - case '!': // a comment or a CDATA section. - this->get (); // consume '!' - ch = this->peek (); - if (ch == '-') // a comment - { - if (this->grok_comment () < 0) - { - this->report_fatal_error(ACE_TEXT ("Error parsing comment") ACEXML_ENV_ARG_PARAMETER); - return; - } - } - else if (ch == '[') // a CDATA section. - { - this->parse_cdata (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - } - else - { - this->report_fatal_error(ACE_TEXT ("Unexpected character") ACEXML_ENV_ARG_PARAMETER); - return; - } - break; - case '?': // a PI. - this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK; - break; - case '/': // an ETag. - { - this->get (); // consume '/' - endname = this->read_name (); - if (endname == 0 || - ACE_OS::strcmp (startname, endname) != 0) - { - this->report_fatal_error(ACE_TEXT ("Mismatched End-tag encountered") ACEXML_ENV_ARG_PARAMETER); - return ; - } - if (this->skip_whitespace (0) != '>') - { - this->report_fatal_error(ACE_TEXT ("Expecting '>' in an end-tag") ACEXML_ENV_ARG_PARAMETER); - return; - } - this->content_handler_->endElement (ns_uri, ns_lname, endname ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - prefix = ACE_const_cast (ACEXML_Char*, - this->xml_namespace_.getPrefix(ns_uri)); - this->report_prefix_mapping (prefix, ns_uri, ns_lname, 0 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - if (new_namespace != 0) - this->xml_namespace_.popContext (); - return; - } - default: // a new nested element? - this->parse_element (0 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - break; - } - break; - case '&': - { - const ACEXML_String *replace = 0; - ACEXML_String charval; - ACEXML_Char buffer[6]; - - if (this->peek () == '#') - { - if (this->parse_char_reference (buffer, 6) != 0) - { - // not referring to any character exception? - return; - } - charval.set (buffer, 0); - replace = &charval; - } - else - replace = this->parse_reference (); - - if (replace == 0) - { - this->report_fatal_error(ACE_TEXT ("Internal error") ACEXML_ENV_ARG_PARAMETER); - return; - } -// if (this->try_grow_cdata (replace->length (), -// cdata_length, xmlenv) == 0) -// { - cdata_length += replace->length (); - for (size_t i = 0; i < replace->length (); ++i) - this->obstack_.grow ((*replace)[i]); -// } -// else -// return; - } - break; - case 0x0D: // End-of-Line handling - ch = (this->peek () == 0x0A ? this->get () : 0x0A); - // Fall thru... - case 0x0A: - // Fall thru... - default: - ++cdata_length; - cdata = this->obstack_.grow (ch); - if (cdata == 0) - { - cdata = this->obstack_.freeze (); - this->content_handler_->characters (cdata, 0, - ACE_static_cast (int, cdata_length) - ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - this->obstack_.grow (ch); - cdata_length = 1; // the missing char. - } - } - } - ACE_NOTREACHED (return;) -} - -int -ACEXML_Parser::parse_char_reference (ACEXML_Char *buf, size_t len) -{ - if (this->get () != '#') - { - // Internal error. - return -1; - } - - int hex = 0; - - if (this->peek () == 'x') - { - hex = 1; - this->get (); - } - - int more_digit = 0; - ACEXML_UCS4 sum = 0; - - while (1) - { - ACEXML_Char ch = this->get (); - switch (ch) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - sum = sum * (hex ? 16 : 10) + (ch - '0'); - break; - case 'a': - case 'A': - if (!hex) - return -1; - sum = sum * 16 + 10; - break; - case 'b': - case 'B': - if (!hex) - return -1; - sum = sum * 16 + 11; - break; - case 'c': - case 'C': - if (!hex) - return -1; - sum = sum * 16 + 12; - break; - case 'd': - case 'D': - if (!hex) - return -1; - sum = sum * 16 + 13; - break; - case 'e': - case 'E': - if (!hex) - return -1; - sum = sum * 16 + 14; - break; - case 'f': - case 'F': - if (!hex) - return -1; - sum = sum * 16 + 15; - break; - case ';': - if (more_digit == 0) // no digit exist??? - return -1; - int clen; -#if defined (ACE_USES_WCHAR) // UTF-16 - if ((clen = ACEXML_Transcoder::ucs42utf16 (sum, buf, len)) < 0) - return -1; - -#elif 1 // or UTF-8 - if ((clen = ACEXML_Transcoder::ucs42utf8 (sum, buf, len)) < 0) - return -1; - // #elif 0 // UCS 4, not likely - // buf [0] = sum; - // buf [1] = 0; -#endif - buf [clen] = 0; - return 0; - default: - return -1; - } - more_digit = 1; - } - ACE_NOTREACHED (return -1); -} - -const ACEXML_String * -ACEXML_Parser::parse_reference (void) -{ - // @@ We'll use a temporary buffer here as the Obstack is most likely in - // use when we are here. This puts a limit on the max length of a - // reference. - ACEXML_Char ref[MAXPATHLEN]; - - size_t loc = 0; - - while (loc < MAXPATHLEN -1) - { - ACEXML_Char ch = this->get (); - if (ch == ';') - { - ref[loc] = 0; - break; - } - else - ref[loc++] = ch; - } - - return this->entities_.resolve_entity (ref); -} - -int -ACEXML_Parser::parse_cdata (ACEXML_ENV_SINGLE_ARG_DECL) -{ - if (this->parse_token (ACE_TEXT ("[CDATA[")) < 0) - { - this->report_fatal_error(ACE_TEXT ("'[CDATA[' expected") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - int parse_state = 0; - size_t datalen = 0; - - while (1) - { - ACEXML_Char ch; - ACEXML_Char *cdata; - - ch = this->get (); - // Anything goes except the sequence "]]>". - switch (parse_state) - { - case 2: - if (ch == ']') - { - parse_state = 3; - continue; - } - break; - case 3: - if (ch == '>') // Yay! - { - cdata = this->obstack_.freeze (); - this->content_handler_->characters (cdata, 0, - ACE_static_cast (int, datalen) - ACEXML_ENV_ARG_PARAMETER); - // ACEXML_CHECK_RETURN (-1); - this->obstack_.unwind(cdata); - return 0; - } - break; - default: - if (ch == ']') - { - parse_state = 2; - continue; - } - else - parse_state = 1; - } - while (parse_state > 0) - { - if (this->try_grow_cdata (1, datalen ACEXML_ENV_ARG_PARAMETER) < 0) - return -1; - - if (parse_state != 1) - this->obstack_.grow (']'); - else - { - if (ch == 0x0D) - ch = (this->peek () == 0x0A ? this->get () : 0x0A); - this->obstack_.grow (ch); - } - ++datalen; - --parse_state; - } - }; - ACE_NOTREACHED (return -1); -} - -int -ACEXML_Parser::try_grow_cdata (size_t size, size_t &len ACEXML_ENV_ARG_DECL) -{ - if (this->obstack_.request (size) != 0) - { - if (len != 0) - { - ACEXML_Char *cdata = this->obstack_.freeze (); - if (cdata == 0) - { - this->report_fatal_error(ACE_TEXT ("Internal Error growing CDATA buffer") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->content_handler_->characters (cdata, - 0, - ACE_static_cast (int, len) - ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - len = 0; // reset counter - if (this->obstack_.request (size) == 0) - return 0; - } - this->report_fatal_error(ACE_TEXT ("Internal Error, buffer overflowed") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - return 0; -} - - -int -ACEXML_Parser::parse_internal_dtd (ACEXML_ENV_SINGLE_ARG_DECL) -{ - ACEXML_Char nextch = this->skip_whitespace (0); - - do { - switch (nextch) - { - case '<': // Start of markup Decl. - nextch = this->peek (); - switch (nextch) - { - case '!': - this->get (); // Discard '!' - nextch = this->peek (); - switch (nextch) - { - case 'E': // An ELEMENT or ENTITY decl - this->get (); - nextch = this->peek (); - switch (nextch) - { - case 'L': - if (this->parse_element_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER) < 0) - return -1; - break; - - case 'N': - if (this->parse_entity_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER) < 0) - return -1; - break; - - default: - this->report_fatal_error(ACE_TEXT ("Invalid keyword in decl spec") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - - case 'A': // An ATTLIST decl - if (this->parse_attlist_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER) < 0) - return -1; - break; - - case 'N': // A NOTATION decl - if (this->parse_notation_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER) < 0) - return -1; - break; - - case '-': // a comment. - if (this->grok_comment () < 0) - { - this->report_fatal_error(ACE_TEXT ("Error parsing comment") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - case 0: - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return -1; - default: - this->report_fatal_error (ACE_TEXT ("Invalid char. follows '<!' in markupdecl") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - - case '?': // PI - this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - break; - - case 0: - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return -1; - default: - this->report_fatal_error (ACE_TEXT ("Invalid char. follows '<!' in markupdecl") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - - case '%': // DeclSep. Define new PEreference... - break; - - case ']': // End of internal definitions. - return 0; // Not applicable when parsing external DTD spec. - - case 0: // This may not be an error if we decide - // to generalize this function to handle both - // internal and external DTD definitions. - this->report_fatal_error (ACE_TEXT ("Unexpected EOF") ACEXML_ENV_ARG_PARAMETER); - return -1; - - default: - this->report_fatal_error (ACE_TEXT ("Expecting markupdecl or DecSep") ACEXML_ENV_ARG_PARAMETER); - return -1; - }; - - // To fully conform with the spec., whitespaces are only allowed - // following a 'DeclSep' section. However, I found it - // hard/impossible to eliminate all the whitespaces between - // markupdecls. - - nextch = this->skip_whitespace (0); - - } while (1); - - ACE_NOTREACHED (return -1); -} - -int -ACEXML_Parser::parse_element_decl (ACEXML_ENV_SINGLE_ARG_DECL) -{ - if ((this->parse_token (ACE_TEXT ("LEMENT")) < 0) || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error (ACE_TEXT ("Expecting keyword `ELEMENT'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char *element_name = this->read_name (); - if (element_name == 0) - { - this->report_fatal_error (ACE_TEXT ("Error reading element name while defining ELEMENT.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char nextch ; - this->skip_whitespace_count (&nextch); - - switch (nextch) - { - case 'E': // EMPTY - if (this->parse_token (ACE_TEXT ("EMPTY")) < 0) - { - this->report_fatal_error (ACE_TEXT ("Expecting keyword `EMPTY' in ELEMENT definition.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - case 'A': // ANY - if (this->parse_token (ACE_TEXT ("ANY")) < 0) - { - this->report_fatal_error (ACE_TEXT ("Expecting keyword `ANY' in ELEMENT definition.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - case '(': // children - this->parse_children_definition (ACEXML_ENV_SINGLE_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - break; - default: // error - this->report_fatal_error (ACE_TEXT ("Error reading ELEMENT definition.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - if (this->skip_whitespace (0) != '>') - { - this->report_fatal_error (ACE_TEXT ("Expecting '>' in ELEMENT definition.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - return 0; -} - -int -ACEXML_Parser::parse_entity_decl (ACEXML_ENV_SINGLE_ARG_DECL) -{ - ACEXML_Char nextch; - - if ((this->parse_token (ACE_TEXT ("NTITY")) < 0) || - this->skip_whitespace_count (&nextch) == 0) - { - this->report_fatal_error (ACE_TEXT ("Expecting keyword `ENTITY'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - int is_GEDecl = 1; - if (nextch == '%') // This is a PEDecl. - { - is_GEDecl = 0; - this->get (); // consume the '%' - if (this->skip_whitespace_count (&nextch) == 0) - { - this->report_fatal_error (ACE_TEXT ("Can't use a reference when defining entity name") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - } - - ACEXML_Char *entity_name = this->read_name (); - if (entity_name == 0) - { - this->report_fatal_error (ACE_TEXT ("Error reading ENTITY name.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->skip_whitespace_count (&nextch); - - if (nextch == '\'' || nextch == '"') - { - ACEXML_Char *entity_value = 0; - - if (this->get_quoted_string (entity_value) != 0) - { - this->report_fatal_error(ACE_TEXT("Error reading ENTITY value.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - if (is_GEDecl) - { - if (this->entities_.add_entity (entity_name, entity_value) != 0) - { - this->report_fatal_error(ACE_TEXT("Error storing entity definition (duplicate definition?)") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - } - else - { - // @@ need to implement PEdecl lookup mechanism - ACEXML_THROW_RETURN (ACEXML_SAXNotSupportedException (), -1); - } - } - else - { - ACEXML_Char *systemid, *publicid; - - this->parse_external_id_and_ref (publicid, systemid ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - if (systemid == 0) - { - this->report_fatal_error(ACE_TEXT("Invalid ExternalID definition (system ID missing.)") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->skip_whitespace_count (&nextch); - if (nextch == 'N') // NDATA section followed - { - if (is_GEDecl == 0) - { - this->report_fatal_error(ACE_TEXT("Unexpected keyword NDATA in PEDecl.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - if ((this->parse_token (ACE_TEXT ("NDATA")) < 0) || - this->skip_whitespace_count (&nextch) == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword NDATA") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char *ndata = this->read_name (); - this->dtd_handler_->unparsedEntityDecl (entity_name, - publicid, - systemid, - ndata ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - } - else - { - // @@ Need to support external CharStream sources - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("ENTITY: (%s) "), - entity_name)); - - if (publicid == 0) - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("SYSTEM %s\n"), - systemid)); - else - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("PUBLIC %s %s\n"), - publicid, systemid)); - } - } - - // End of ENTITY definition - if (this->skip_whitespace (0) != '>') - { - this->report_fatal_error(ACE_TEXT("Expecting end of ENTITY definition.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - return 0; -} - -int -ACEXML_Parser::parse_attlist_decl (ACEXML_ENV_SINGLE_ARG_DECL) -{ - if ((this->parse_token (ACE_TEXT ("ATTLIST")) < 0) || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `ATTLIST'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char *element_name = this->read_name (); - if (element_name == 0) - { - this->report_fatal_error(ACE_TEXT("Error reading element name while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char nextch = this->skip_whitespace (0); - - // Parse AttDef* - while (nextch != '>') - { - // Parse attribute name - ACEXML_Char *att_name = this->read_name (nextch); - if (att_name == 0) - { - this->report_fatal_error(ACE_TEXT("Error reading attribute name while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - /* - Parse AttType: - Possible keywords: - CDATA // StringType - ID // TokenizedType - IDREF - IDREFS - ENTITY - ENTITIES - NMTOKEN - NMTOKENS - NOTATION // EnumeratedType - NotationTYpe - ( // EnumeratedType - Enumeration - */ - nextch = this->skip_whitespace (0); - switch (nextch) - { - case 'C': // CDATA - if ((this->parse_token (ACE_TEXT ("DATA")) < 0) || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `CDATA' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // Else, we have successfully identified the type of the - // attribute as CDATA - // @@ Set up validator appropriately here. - break; - case 'I': // ID, IDREF, or, IDREFS - if (this->get () == 'D') - { - if (this->skip_whitespace_count (&nextch) > 0) - { - // We have successfully identified the type of the - // attribute as ID @@ Set up validator as such. - break; - } - if (this->parse_token (ACE_TEXT ("REF")) == 0) - { - if (this->skip_whitespace_count (&nextch) > 0) - { - // We have successfully identified the type of - // the attribute as IDREF - // @@ Set up validator as such. - break; - } - else if (nextch == 'S' && - this->get () && // consume the 'S' - this->skip_whitespace_count () != 0) - { - // We have successfully identified the type of - // the attribute as IDREFS - // @@ Set up validator as such. - break; - } - } - } - // Admittedly, this error message is not precise enough - this->report_fatal_error(ACE_TEXT("Expecting keyword `ID', `IDREF', or `IDREFS' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - case 'E': // ENTITY or ENTITIES - if (this->parse_token (ACE_TEXT ("NTIT")) == 0) - { - nextch = this->get (); - if (nextch == 'Y') - { - // We have successfully identified the type of - // the attribute as ENTITY - // @@ Set up validator as such. - } - else if (nextch == 'I'&& this->get () == 'E' && - this->get () == 'S') - { - // We have successfully identified the type of - // the attribute as ENTITIES - // @@ Set up validator as such. - } - if (this->skip_whitespace_count () > 0) - { - // success - break; - } - } - // Admittedly, this error message is not precise enough - this->report_fatal_error(ACE_TEXT("Expecting keyword `ENTITY', or `ENTITIES' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - case 'N': // NMTOKEN, NMTOKENS, or, NOTATION - nextch = this->get (); - if (nextch != 'M' || nextch != 'O') - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `NMTOKEN', `NMTOKENS', or `NOTATION' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - if (nextch == 'M') - { - if (this->parse_token (ACE_TEXT ("TOKEN")) == 0) - { - if (this->skip_whitespace_count (&nextch) > 0) - { - // We have successfully identified the type of - // the attribute as NMTOKEN - // @@ Set up validator as such. - break; - } - else if (nextch == 'S' && this->skip_whitespace_count () > 0) - { - // We have successfully identified the type of - // the attribute as NMTOKENS - // @@ Set up validator as such. - break; - } - } - this->report_fatal_error(ACE_TEXT("Expecting keyword `NMTOKEN' or `NMTOKENS' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - else // NOTATION - { - if ((this->parse_token (ACE_TEXT ("TATION")) < 0) || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `NOTATION' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - if (this->get () != '(') - { - this->report_fatal_error(ACE_TEXT("Expecting `(' following NOTATION while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->skip_whitespace_count (); - - do { - ACEXML_Char *notation_name = this->read_name (); - if (notation_name == 0) - { - this->report_fatal_error(ACE_TEXT("Error reading NOTATION name while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ get another notation name, set up validator as such - this->skip_whitespace_count (&nextch); - } while (nextch != ')'); - - this->get (); // consume the closing paren. - this->skip_whitespace_count (); - } - break; - case '(': // EnumeratedType - Enumeration - this->skip_whitespace_count (); - - do { - ACEXML_Char *token_name = this->read_name (); // @@ need a special read_nmtoken? - if (token_name == 0) - { - this->report_fatal_error(ACE_TEXT("Error reading enumerated nmtoken name while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ get another nmtoken, set up validator as such - this->skip_whitespace_count (&nextch); - } while (nextch != ')'); - - this->get (); // consume the closing paren. - this->skip_whitespace_count (); - break; - default: - { - this->report_fatal_error(ACE_TEXT("Invalid Attribute Type while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - ACE_NOTREACHED (break); - } - - /* - Parse DefaultDecl: - #REQUIRED - #IMPLIED - #FIXED - quoted string // #FIXED - */ - nextch = this->peek (); - switch (nextch) - { - case '#': - this->get (); // consume the '#' - switch (this->get ()) - { - case 'R': - if (this->parse_token (ACE_TEXT ("EQUIRED")) < 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `#REQUIRED' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // We now know this attribute is required - // @@ Set up the validator as such. - break; - case 'I': - if (this->parse_token (ACE_TEXT ("MPLIED")) < 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `#IMPLIED' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // We now know this attribute is impleid. - // @@ Set up the validator as such. - break; - case 'F': - if (this->parse_token (ACE_TEXT ("IXED")) < 0 || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `#FIXED' while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // We now know this attribute is fixed. - - ACEXML_Char *fixed_attr; - if (this->get_quoted_string (fixed_attr) != 0) - { - this->report_fatal_error(ACE_TEXT("Error parsing `#FIXED' attribute value while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ set up validator - break; - default: - break; - } - break; - case '\'': - case '"': - ACEXML_Char *fixed_attr; - if (this->get_quoted_string (fixed_attr) != 0) - { - this->report_fatal_error(ACE_TEXT("Error parsing `#FIXED' attribute value while defining ATTLIST.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ set up validator - break; - default: - break; - } - this->skip_whitespace_count (&nextch); - } - - this->get (); // consume closing '>' - - return 0; -} - -int -ACEXML_Parser::parse_notation_decl (ACEXML_ENV_SINGLE_ARG_DECL) -{ - if (this->parse_token (ACE_TEXT ("NOTATION")) < 0 || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `NOTATION'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char *notation = this->read_name (); - if (notation == 0) - { - this->report_fatal_error(ACE_TEXT("Invalid notation name.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->skip_whitespace_count (); - ACEXML_Char *systemid, *publicid; - - this->parse_external_id_and_ref (publicid, systemid ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - - if (this->get () != '>') - { - this->report_fatal_error(ACE_TEXT("Expecting NOTATION closing '>'.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->dtd_handler_->notationDecl (notation, - publicid, - systemid ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - - return 0; -} - -int -ACEXML_Parser::parse_external_id_and_ref (ACEXML_Char *&publicId, - ACEXML_Char *&systemId ACEXML_ENV_ARG_DECL) -{ - publicId = systemId = 0; - ACEXML_Char nextch = this->get (); - - switch (nextch) - { - case 'S': // External SYSTEM id. - if (this->parse_token (ACE_TEXT ("YSTEM")) < 0 || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword 'SYSTEM'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - if (this->get_quoted_string (systemId) != 0) - { - this->report_fatal_error(ACE_TEXT("Error while parsing SYSTEM literal for SYSTEM id.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->locator_.setSystemId (systemId); - break; - case 'P': // External PUBLIC id or previously defined PUBLIC id. - if (this->parse_token (ACE_TEXT ("UBLIC")) < 0 || - this->skip_whitespace_count () == 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword 'PUBLIC'") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - if (this->get_quoted_string (publicId) != 0) - { - this->report_fatal_error(ACE_TEXT("Error while parsing public literal for PUBLIC id.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->locator_.setPublicId (publicId); - - this->skip_whitespace_count (&nextch); - if (nextch == '\'' || nextch == '"') // not end of NOTATION yet. - { - if (this->get_quoted_string (systemId) != 0) - { - this->report_fatal_error(ACE_TEXT("Error while parsing system literal for PUBLIC id.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->locator_.setSystemId (systemId); - } - break; - default: - this->report_fatal_error(ACE_TEXT("Expecting either keyword `SYSTEM' or `PUBLIC'.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - return 0; -} - -int -ACEXML_Parser::parse_children_definition (ACEXML_ENV_SINGLE_ARG_DECL) -{ - this->get (); // consume the '(' - - ACEXML_Char nextch; - int subelement_number = 0; - this->skip_whitespace_count (&nextch); - - switch (nextch) - { - case '#': // Mixed element, - if (this->parse_token (ACE_TEXT ("#PCDATA")) < 0) - { - this->report_fatal_error(ACE_TEXT("Expecting keyword `#PCDATA' while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - this->skip_whitespace_count (&nextch); - - while (nextch != ')') - { - if (this->get () != '|') - { - this->report_fatal_error(ACE_TEXT("Expecting end of Mixed section while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->skip_whitespace_count (); - - ACEXML_Char *name = this->read_name (); - // @@ name will be used in the Validator later. - ACE_UNUSED_ARG (name); - ++subelement_number; - // @@ Install Mixed element name into the validator. - this->skip_whitespace_count (&nextch); - } - - if (this->get () != ')' || - (subelement_number && this->get () != '*')) - { - this->report_fatal_error(ACE_TEXT("Expecting closing `)*' or ')' while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ close the element definition in the validator. - break; - default: - int status = this->parse_child (1 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - if (status != 0) - return -1; - } - - return 0; -} - -int -ACEXML_Parser::parse_child (int skip_open_paren ACEXML_ENV_ARG_DECL) -{ - // Conditionally consume the open paren. - if (skip_open_paren == 0 && - this->get () != '(') - { - this->report_fatal_error(ACE_TEXT("Expecting opening `(' while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - - ACEXML_Char node_type = 0; - ACEXML_Char nextch; - - do { - this->skip_whitespace_count (&nextch); - switch (nextch) - { - case '(': - this->parse_child (0 ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK_RETURN (-1); - break; - default: - // must be an element name here. - ACEXML_Char *subelement = this->read_name (); - if (subelement == 0) - { - this->report_fatal_error(ACE_TEXT("Error reading sub-element name while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - // @@ Inform validator of the new element here. - break; - } - - this->skip_whitespace_count (&nextch); - switch (nextch) - { - case '|': - switch (node_type) - { - case 0: - node_type = '|'; - // @@ inform validator of this new type?? - break; - case '|': - break; - default: - this->report_fatal_error(ACE_TEXT("Expecting `,', `|', or `)' while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - break; - case ',': - switch (node_type) - { - case 0: - node_type = ','; - // @@ inform validator of this new type?? - break; - case ',': - break; - default: - this->report_fatal_error(ACE_TEXT("Expecting `,', `|', or `)'while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - case ')': - break; - default: - this->report_fatal_error(ACE_TEXT("Expecting `,', `|', or `)' while defining an element.") ACEXML_ENV_ARG_PARAMETER); - return -1; - } - this->get (); // consume , | or ) - } while (nextch != ')'); - - // Check for trailing '?', '*', '+' - nextch = this->peek (); - switch (nextch) - { - case '?': - // @@ Consume the character and inform validator as such, - this->get (); - break; - case '*': - // @@ Consume the character and inform validator as such, - this->get (); - break; - case '+': - // @@ Consume the character and inform validator as such, - this->get (); - break; - default: - break; // not much to do. - } - - return 0; -} - -ACEXML_Char -ACEXML_Parser::skip_whitespace (ACEXML_Char **whitespace) -{ - ACEXML_Char ch = this->get (); - - if (this->is_whitespace (ch) == 0) - { - if (whitespace != 0) - *whitespace = 0; - return ch; - } - - do - { - if (whitespace != 0) - this->obstack_.grow (ch); - ch = this->get (); - } - while (this->is_whitespace (ch)); - - if (whitespace != 0) - *whitespace = this->obstack_.freeze (); - - return ch; -} - -int -ACEXML_Parser::skip_whitespace_count (ACEXML_Char *peeky) -{ - int wscount = 0; - ACEXML_Char dummy; - ACEXML_Char &forward = (peeky == 0 ? dummy : *peeky); - - for (;this->is_whitespace ((forward = this->peek ())); ++wscount) - this->get (); - - return wscount; -} - -int -ACEXML_Parser::parse_token (const ACEXML_Char* keyword) -{ - if (keyword == 0) - return -1; - const ACEXML_Char* ptr = keyword; - ACEXML_Char ch; - for (; *ptr != 0 && ((ch = this->get()) == *ptr); ++ptr) - { - // ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("ch = %c : ptr = %c"), ch, *ptr)); - } - if (*ptr == 0) - return 0; - else - return -1; -} - -int -ACEXML_Parser::skip_equal (void) -{ - if (this->skip_whitespace (0) != '=') - return -1; - - while (this->is_whitespace (this->peek ())) - this->get (); - return 0; -} - -int -ACEXML_Parser::get_quoted_string (ACEXML_Char *&str) -{ - ACEXML_Char quote = this->get (); - if (quote != '\'' && quote != '"') // Not a quoted string. - return -1; - - while (1) - { - ACEXML_Char ch = this->get (); - - // @@ Deoes not handle buffer overflow yet. - if (ch == quote) - { - str = this->obstack_.freeze (); - return 0; - } - - const ACEXML_String *replace = 0; - ACEXML_String charval; - ACEXML_Char buffer[6]; - size_t i = 0; - - switch (ch) - { - case '&': - if (this->peek () == '#') - { - if (this->parse_char_reference (buffer, 6) != 0) - { -// xmlenv.exception (new ACEXML_SAXParseException -// (ACE_TEXT ("CharRef does not resolves to a valid character"))); - return -1; - } - charval.set (buffer, 0); - replace = &charval; - } - else - replace = this->parse_reference (); - - if (replace == 0) - { - // xmlenv.exception (new ACEXML_SAXParseException - // (ACE_TEXT ("Undefined reference"))); - return -1; - } - for (i = 0; i < replace->length (); ++i) - this->obstack_.grow ((*replace)[i]); - // handle reference here. - break; - case 0x0D: // End-of-Line handling - ch = (this->peek () == 0x0A ? this->get () : 0x0A); - // Fall thru... - case 0x0A: - // Fall thru... - default: - this->obstack_.grow (ch); - break; - } - } -} - -ACEXML_Char * -ACEXML_Parser::read_name (ACEXML_Char ch) -{ - if (ch == 0) - { - ch = this->get (); - - if (this->is_whitespace (ch)) - // No white space is allowed here. - return 0; - } - else if (this->is_nonname (ch)) - return 0; - - while (1) - { - this->obstack_.grow (ch); - ch = this->peek (); - if (this->is_nonname (ch)) - break; - ch = this->get (); - }; - - return this->obstack_.freeze (); -} - -void -ACEXML_Parser::report_prefix_mapping (const ACEXML_Char* prefix, - const ACEXML_Char* uri, - const ACEXML_Char* name, - int start ACEXML_ENV_ARG_DECL) -{ - if (this->namespaces_) - { - const ACEXML_Char* temp = (name == 0) ? empty_string : prefix; - if (start) { - this->content_handler_->startPrefixMapping (temp, uri ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - } - else - { - this->content_handler_->endPrefixMapping(temp ACEXML_ENV_ARG_PARAMETER); - ACEXML_CHECK; - } - } -} |