diff options
Diffstat (limited to 'trunk/ACE/ACEXML/parser/parser/Parser.cpp')
| -rw-r--r-- | trunk/ACE/ACEXML/parser/parser/Parser.cpp | 3397 |
1 files changed, 3397 insertions, 0 deletions
diff --git a/trunk/ACE/ACEXML/parser/parser/Parser.cpp b/trunk/ACE/ACEXML/parser/parser/Parser.cpp new file mode 100644 index 00000000000..5d029b08e27 --- /dev/null +++ b/trunk/ACE/ACEXML/parser/parser/Parser.cpp @@ -0,0 +1,3397 @@ +// $Id$ + +#include "ACEXML/parser/parser/Parser.h" + +#if !defined (__ACEXML_INLINE__) +# include "ACEXML/parser/parser/Parser.inl" +#endif /* __ACEXML_INLINE__ */ + +#include "ace/ACE.h" +#include "ACEXML/common/Transcode.h" +#include "ACEXML/common/AttributesImpl.h" +#include "ACEXML/common/StrCharStream.h" +#include "ACEXML/common/StreamFactory.h" +#include "ACEXML/parser/parser/ParserInternals.h" +#include "ace/OS_NS_string.h" +#include "ace/OS_NS_strings.h" + +static const ACEXML_Char default_attribute_type[] = ACE_TEXT ("CDATA"); +static const ACEXML_Char empty_string[] = { 0 }; + +const ACEXML_Char +ACEXML_Parser::simple_parsing_feature_[] = ACE_TEXT ("Simple"); + +const ACEXML_Char +ACEXML_Parser::namespaces_feature_[] = ACE_TEXT ("http://xml.org/sax/features/namespaces"); + +const ACEXML_Char +ACEXML_Parser::namespace_prefixes_feature_[] = ACE_TEXT ("http://xml.org/sax/features/namespace-prefixes"); + +const ACEXML_Char +ACEXML_Parser::validation_feature_[] = ACE_TEXT ("http://xml.org/sax/features/validation"); + +ACEXML_Parser::ACEXML_Parser (void) + : dtd_handler_ (0), + entity_resolver_ (0), + content_handler_ (0), + error_handler_ (0), + doctype_ (0), + current_ (0), + alt_stack_ (MAXPATHLEN), + nested_namespace_ (0), + ref_state_ (ACEXML_ParserInt::INVALID), + external_subset_ (0), + external_entity_ (0), + has_pe_refs_ (0), + standalone_ (0), + external_dtd_ (0), + internal_dtd_ (0), + simple_parsing_ (0), + validate_ (1), + namespaces_(1), + namespace_prefixes_ (0) +{ +} + +ACEXML_Parser::~ACEXML_Parser (void) +{ + +} + +int +ACEXML_Parser::initialize(ACEXML_InputSource* input) +{ + // Initialize namespace support + if (this->xml_namespace_.init() == -1) + { + ACE_ERROR ((LM_ERROR, + ACE_TEXT ("Error initializing namespace support\n"))); + return -1; + } + for (int i = 0; i < 5; ++i) + { + if (this->predef_entities_.add_entity (ACEXML_ParserInt::predef_ent_[i], + ACEXML_ParserInt::predef_val_[i]) + != 0) + { + ACE_ERROR ((LM_DEBUG, + ACE_TEXT ("Error adding entity %s to Manager\n"), + ACEXML_ParserInt::predef_ent_[i])); + return -1; + } + } + return this->switch_input (input, input->getSystemId()); +} + +void +ACEXML_Parser::parse (const ACEXML_Char *systemId ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_InputSource* input = 0; + ACE_NEW (input, ACEXML_InputSource (systemId)); + this->parse (input ACEXML_ENV_ARG_PARAMETER); +} + +void +ACEXML_Parser::parse (ACEXML_InputSource *input ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (input == 0) + { + this->fatal_error(ACE_TEXT ("Invalid input source") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + if (this->content_handler_ == 0) + { + this->fatal_error (ACE_TEXT ("No content handlers defined. Exiting..") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + + if (this->validate_ && this->dtd_handler_ == 0) + { + this->fatal_error (ACE_TEXT ("No DTD handlers defined. Exiting..") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + + + if (this->initialize(input) == -1) + { + this->fatal_error (ACE_TEXT ("Failed to initialize parser state") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + // Set up Locator. + this->content_handler_->setDocumentLocator (this->current_->getLocator()); + + int xmldecl_defined = 0; + ACEXML_Char fwd = this->get(); // Consume '<' + if (fwd == '<' && this->peek() == '?') + { + this->get(); // Consume '?' + fwd = this->peek(); + if (fwd == 'x' && !xmldecl_defined) + { + this->parse_xml_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK; + xmldecl_defined = 1; + } + } + // We need a XMLDecl in a Valid XML document + if (this->validate_ && !xmldecl_defined) + { + this->fatal_error (ACE_TEXT ("Expecting an XMLDecl at the beginning of") + ACE_TEXT (" a valid document") + ACEXML_ENV_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; ) + { + // Expect a '<' only if we have encountered a XMLDecl, or we are + // looping through Misc blocks. + if (xmldecl_defined) + { + if (this->skip_whitespace () != '<') + { + this->fatal_error (ACE_TEXT ("Expecting '<' at the beginning of ") + ACE_TEXT ("Misc section") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + fwd = this->peek(); + } + switch (fwd) + { + case '?': + this->get(); + this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK; + xmldecl_defined = 1; + break; + case '!': + this->get(); + 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; + // Now that we have a DOCTYPE Decl defined, we shouldn't + // accept XML Decl any longer + xmldecl_defined = 1; + } + else if (fwd == 'D') + { + this->fatal_error (ACE_TEXT ("Duplicate DOCTYPE declaration") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + else if (fwd == '-') // COMMENT + { + if (this->parse_comment () < 0) + { + this->fatal_error(ACE_TEXT ("Invalid comment in document") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + xmldecl_defined = 1; + } + break; + case 0: + this->fatal_error (ACE_TEXT ("Unexpected end-of-file") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + default: // Root element begins + prolog_done = 1; + break; + } + } + + if (this->validate_ && !doctype_defined) + { + this->warning (ACE_TEXT ("No doctypeDecl in valid document") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + + // 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 parser state + this->reset(); + +} + +int +ACEXML_Parser::parse_doctypedecl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->parse_token (ACE_TEXT ("DOCTYPE")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword DOCTYPE in a doctypedecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char nextch = 0; + if (this->skip_whitespace_count (&nextch) == 0) + { + this->fatal_error(ACE_TEXT ("Expecting a space between DOCTYPE keyword ") + ACE_TEXT ("and name") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + this->doctype_ = this->parse_name (); + if (this->doctype_ == 0) + { + this->fatal_error(ACE_TEXT ("Invalid DOCTYPE name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int count = this->skip_whitespace_count (&nextch); + + if (nextch == 'S' || nextch == 'P') // ExternalID defined + { + if (count == 0) + { + this->fatal_error(ACE_TEXT ("Expecting a space between DOCTYPE") + ACE_TEXT ("keyword and name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->external_dtd_ = 1; + this->parse_external_dtd (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + nextch = this->skip_whitespace (); + switch (nextch) + { + case '[': + this->internal_dtd_ = 1; // Internal DTD definition + this->parse_internal_dtd (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '>': // End of DTD definition + // This is an XML document without a doctypedecl. + if (this->validate_ && !this->external_dtd_) + { + this->fatal_error (ACE_TEXT ("No DTD defined") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; + case '0': + this->fatal_error (ACE_TEXT ("Unexpected end-of-file") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + default: + break; + } + + if (this->skip_whitespace() != '>') + { + this->fatal_error(ACE_TEXT ("Expecting '>' at end of doctypedecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + +int +ACEXML_Parser::parse_internal_dtd (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + this->ref_state_ = ACEXML_ParserInt::IN_INT_DTD; + ACEXML_Char nextch = this->skip_whitespace (); + do { + switch (nextch) + { + case '<': + nextch = this->get(); + switch (nextch) + { + case '!': + this->parse_markup_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '?': + this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error (ACE_TEXT ("Invalid internal subset") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + break; + case '%': + this->has_pe_refs_ = 1; + this->parse_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case ']': // End of internal definitions. + return 0; + case '&': + this->fatal_error (ACE_TEXT ("Invalid Reference in internal DTD") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 0: + this->pop_context (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error (ACE_TEXT ("Invalid content in internal subset") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + }; + nextch = this->skip_whitespace (); + } while (1); + + ACE_NOTREACHED (return -1); +} + +int +ACEXML_Parser::parse_external_dtd (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + this->ref_state_ = ACEXML_ParserInt::IN_EXT_DTD; + ACEXML_Char* publicId = 0; + ACEXML_Char* systemId = 0; + if (this->parse_external_id (publicId, systemId + ACEXML_ENV_ARG_PARAMETER) != 0) + { + this->fatal_error (ACE_TEXT ("Error in parsing ExternalID") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->validate_) + { + ACEXML_Char* uri = this->normalize_systemid (systemId); + ACE_Auto_Basic_Array_Ptr<ACEXML_Char> cleanup_uri (uri); + ACEXML_InputSource* ip = 0; + if (this->entity_resolver_) + { + ip = this->entity_resolver_->resolveEntity (publicId, + (uri ? uri : systemId) + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (ip) + { + if (this->switch_input (ip, (uri ? uri : systemId), publicId) != 0) + return -1; + } + else + { + ACEXML_StreamFactory factory; + ACEXML_CharStream* cstream = factory.create_stream (uri ? + uri: systemId); + if (!cstream) { + this->fatal_error (ACE_TEXT ("Invalid input source") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->switch_input (cstream, systemId, publicId) != 0) + return -1; + } + this->parse_external_subset (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + + +int +ACEXML_Parser::parse_external_subset (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + this->ref_state_ = ACEXML_ParserInt::IN_EXT_DTD; + this->external_subset_ = 1; + size_t nrelems = 0; + ACEXML_Char nextch = this->skip_whitespace(); + do { + switch (nextch) + { + case '<': + nextch = this->get(); + switch (nextch) + { + case '!': + nextch = this->peek(); + if (nextch == '[') + this->parse_conditional_section (ACEXML_ENV_SINGLE_ARG_PARAMETER); + else + this->parse_markup_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '?': + nextch = this->peek(); + if (nextch == 'x') + this->parse_text_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + else + this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error (ACE_TEXT ("Invalid content in external DTD") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '%': + this->parse_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 0: + nrelems = this->pop_context (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (nrelems == 1) + return 0; + break; + default: + this->fatal_error (ACE_TEXT ("Invalid content in external DTD") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + nextch = this->skip_whitespace(); + } while (1); +} + +int +ACEXML_Parser::parse_conditional_section (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char ch = this->get (); + int include = 0; + if (ch != '[') + { + this->fatal_error(ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ch = this->skip_whitespace(); + if (ch == '%') + { + this->parse_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + ch = this->skip_whitespace(); + } + if (ch == 'I') + { + ch = this->get(); + switch (ch) + { + case 'N': + if (this->parse_token (ACE_TEXT ("CLUDE")) < 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword INCLUDE in ") + ACE_TEXT ("conditionalSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + include = 1; + break; + case 'G': + if (this->parse_token (ACE_TEXT ("GNORE")) < 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword IGNORE in ") + ACE_TEXT ("conditionalSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + include = 0; + break; + default: + this->fatal_error (ACE_TEXT ("Invalid conditionalSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char fwd = '\xFF'; + this->skip_whitespace_count (&fwd); + if (fwd == 0) + { + this->get(); // Consume the 0 + this->pop_context (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else + { + this->fatal_error (ACE_TEXT ("Invalid conditionalSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->skip_whitespace() != '[') + { + this->fatal_error (ACE_TEXT ("Expecting '[' in conditionalSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (include) + this->parse_includesect (ACEXML_ENV_SINGLE_ARG_PARAMETER); + else + this->parse_ignoresect (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + return 0; +} + +int +ACEXML_Parser::parse_ignoresect (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char nextch = this->skip_whitespace(); + int count = 0; + int done = 0; + do { + switch (nextch) + { + case '<': + if (this->peek() == '!') + { + this->get(); + if (this->peek() == '[') + { + this->get(); + count++; + } + } + break; + case ']': + if (this->peek() == ']') + { + this->get(); + if (this->peek() == '>') + { + this->get(); + if (count) + { + --count; + break; + } + done = 1; + } + } + break; + case 0: // [VC: Proper Conditional Section/PE Nesting] + if (count != 0) + { + this->fatal_error (ACE_TEXT ("Invalid Conditional Section/PE ") + ACE_TEXT ("Nesting ") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + default: + break; + } + if (done) + break; + nextch = this->get(); + } while (1); + + return 0; +} + +int +ACEXML_Parser::parse_includesect (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char nextch = this->skip_whitespace(); + do { + switch (nextch) + { + case '<': + nextch = this->get(); + switch (nextch) + { + case '!': + nextch = this->peek(); + if (nextch == '[') + this->parse_conditional_section (ACEXML_ENV_SINGLE_ARG_PARAMETER); + else + this->parse_markup_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '?': + nextch = this->peek(); + this->parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error (ACE_TEXT ("Invalid includeSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '%': + this->parse_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 0: // [VC: Proper Conditional Section/PE Nesting] + this->fatal_error (ACE_TEXT ("Invalid Conditional Section/PE ") + ACE_TEXT ("Nesting ") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + case ']': + if (this->peek() == ']') + { + nextch = this->get(); + if (this->peek() == '>') + { + nextch = this->get(); + return 0; + } + } + default: + this->fatal_error (ACE_TEXT ("Invalid includeSect") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + nextch = this->skip_whitespace(); + } while (1); +} + +int +ACEXML_Parser::parse_markup_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char nextch = this->peek (); + switch (nextch) + { + case 'E': // An ELEMENT or ENTITY decl + this->get (); + nextch = this->peek (); + switch (nextch) + { + case 'L': + this->parse_element_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 'N': + this->parse_entity_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error(ACE_TEXT ("Expecting keyword ELEMENT/ENTITY") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + + case 'A': // An ATTLIST decl + this->parse_attlist_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + + case 'N': // A NOTATION decl + this->parse_notation_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + + case '-': // a comment. + if (this->parse_comment () < 0) + { + this->fatal_error(ACE_TEXT ("Invalid comment") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case 0: // [VC: Proper Declaration/PE Nesting] + this->fatal_error (ACE_TEXT ("Unexpected end-of-file") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + default: + this->fatal_error (ACE_TEXT ("Invalid markupDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + +int +ACEXML_Parser::parse_external_id (ACEXML_Char *&publicId, + ACEXML_Char *&systemId + ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + publicId = systemId = 0; + ACEXML_Char nextch = this->get (); + ACEXML_Char fwd = 0; + switch (nextch) + { + case 'S': // External SYSTEM id. + if (this->parse_token (ACE_TEXT ("YSTEM")) < 0 || + this->skip_whitespace_count () < 1) + { + this->fatal_error(ACE_TEXT ("Expecting keyword SYSTEM") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->parse_system_literal (systemId) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid systemLiteral") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case 'P': // External PUBLIC id or previously defined PUBLIC id. + if (this->parse_token (ACE_TEXT ("UBLIC")) < 0 || + this->skip_whitespace_count () < 1) + { + this->fatal_error(ACE_TEXT ("Expecing keyword PUBLIC") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->parse_pubid_literal (publicId) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid PubidLiteral") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->skip_whitespace_count(&fwd); + if (fwd == '\'' || fwd == '"') + { + if (this->parse_system_literal (systemId) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid systemLiteral") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else if (this->ref_state_ != ACEXML_ParserInt::IN_NOTATION) + { + this->fatal_error(ACE_TEXT ("Expecting systemLiteral after a ") + ACE_TEXT ("PUBLIC keyword") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + default: + this->fatal_error(ACE_TEXT ("Invalid system/public Literal") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + +ACEXML_Char* +ACEXML_Parser::normalize_systemid (const ACEXML_Char* systemId) +{ + if (ACE_OS::strstr (systemId, ACE_TEXT("ftp://")) != 0 || + ACE_OS::strstr (systemId, ACE_TEXT ("http://")) != 0 || + ACE_OS::strstr (systemId, ACE_TEXT ("file://")) != 0) + return 0; + else + { + ACEXML_Char* normalized_uri = 0; + const ACEXML_Char* baseURI = this->current_->getLocator()->getSystemId(); + ACE_ASSERT (baseURI); + const ACEXML_Char* temp = 0; + if (ACE_OS::strstr (baseURI, ACE_TEXT ("http://")) != 0) + // baseURI is a HTTP URL and systemId is relative. Note that this + // is not compliant with RFC2396. Caveat Emptor ! + temp = ACE_OS::strrchr (baseURI, '/'); + else + // baseURI is a local file and systemId is relative + // Unlike the HTTP one, this will work always. + temp = ACE_OS::strrchr (baseURI,ACE_DIRECTORY_SEPARATOR_CHAR); + if (temp) + { + size_t pos = temp - baseURI + 1; + size_t len = pos + ACE_OS::strlen (systemId) + 1; + ACE_NEW_RETURN (normalized_uri, ACEXML_Char[len], 0); + ACE_OS::strncpy (normalized_uri, baseURI, pos); + ACE_OS::strcpy (normalized_uri + pos, systemId); + return normalized_uri; + } + 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->parse_name (); + if (startname == 0) + { + this->fatal_error (ACE_TEXT ("Unexpected end-of-file") + ACEXML_ENV_ARG_PARAMETER); + return; + } + if (is_root && this->doctype_ != 0 + && ACE_OS::strcmp (startname, this->doctype_) != 0) + { + this->fatal_error (ACE_TEXT ("Root element different from DOCTYPE") + ACEXML_ENV_ARG_PARAMETER); + return ; + } + ACEXML_AttributesImpl attributes; + ACEXML_Char ch; + int ns_flag = 0; // Push only one namespace context onto the stack + // if there are multiple namespaces declared. + + const ACEXML_Char* ns_uri = 0; + const ACEXML_Char* ns_lname = 0; // namespace URI and localName + for (int start_element_done = 0; start_element_done == 0;) + { + ch = this->skip_whitespace (); + + switch (ch) + { + case 0: + this->fatal_error(ACE_TEXT ("Internal Parser error") + ACEXML_ENV_ARG_PARAMETER); + return; + case '/': + if (this->get () != '>') + { + this->fatal_error(ACE_TEXT ("Expecting '>' at end of element ") + ACE_TEXT ("definition") + ACEXML_ENV_ARG_PARAMETER); + return; + } + this->xml_namespace_.processName(startname, ns_uri, + ns_lname, 0); + this->prefix_mapping (this->xml_namespace_.getPrefix(ns_uri), + ns_uri, 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->prefix_mapping (this->xml_namespace_.getPrefix(ns_uri), + ns_uri, 0 + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + if (ns_flag) + { + this->xml_namespace_.popContext (); + this->nested_namespace_--; + } + return; + case '>': + this->xml_namespace_.processName (startname, ns_uri, + ns_lname, 0); + this->prefix_mapping (this->xml_namespace_.getPrefix(ns_uri), + ns_uri, 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->parse_name (ch); + + if (attname == 0 || + this->skip_equal () != 0 || + this->parse_attvalue (attvalue ACEXML_ENV_ARG_PARAMETER) != 0) + { + this->fatal_error(ACE_TEXT ("Error reading attribute value") + 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 (!ns_flag) + { + this->xml_namespace_.pushContext (); + this->nested_namespace_++; + ns_flag = 1; + } + + ACEXML_Char* 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->fatal_error(ACE_TEXT ("Duplicate definition of ") + ACE_TEXT ("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 (ACE_TEXT (""), ACE_TEXT (""), + attname, + default_attribute_type, + attvalue) == -1) + { + this->fatal_error(ACE_TEXT ("Duplicate attribute ") + ACE_TEXT ("definition. Hint: Try ") + ACE_TEXT ("setting namespace_prefix") + ACE_TEXT ("es feature to 0") + ACEXML_ENV_ARG_PARAMETER); + return; + } + } + if (!this->namespaces_ && !this->namespace_prefixes_) + { + this->fatal_error(ACE_TEXT ("One of namespaces or ") + ACE_TEXT ("namespace_prefixes should be") + ACE_TEXT (" declared") + 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->fatal_error(ACE_TEXT ("Duplicate attribute ") + ACE_TEXT ("definition") + ACEXML_ENV_ARG_PARAMETER); + return; + } + } + break; + } + } + if (this->parse_content (startname, ns_uri, ns_lname, ns_flag + ACEXML_ENV_ARG_PARAMETER) != 0) + return; +} + +int +ACEXML_Parser::parse_content (const ACEXML_Char* startname, + const ACEXML_Char*& ns_uri, + const ACEXML_Char*& ns_lname, int ns_flag ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char *cdata; + size_t cdata_length = 0; + + // Parse element contents. + while (1) + { + ACEXML_Char ch = this->get (); + switch (ch) + { + case 0: + this->pop_context (1 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '<': + // Push out old 'characters' event. + if (cdata_length != 0) + { + cdata = this->obstack_.freeze (); + this->content_handler_->characters (cdata, 0, cdata_length + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->obstack_.unwind (cdata); + cdata_length = 0; + } + ch = this->peek(); + switch (ch) + { + case '!': // a comment or a CDATA section. + this->get (); // consume '!' + ch = this->peek (); + if (ch == '-') // a comment + { + if (this->parse_comment () < 0) + { + this->fatal_error(ACE_TEXT ("Invalid comment in ") + ACE_TEXT ("document") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else if (ch == '[') // a CDATA section. + { + this->parse_cdata (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else + { + this->fatal_error(ACE_TEXT ("Expecting a CDATA section ") + ACE_TEXT ("or a comment section") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '?': // a PI. + this->get(); // consume the '?' + this->parse_processing_instruction + (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case '/': // an ETag. + { + this->get (); // consume '/' + ACEXML_Char* endname = this->parse_name (); + if (endname == 0 || + ACE_OS::strcmp (startname, endname) != 0) + { + this->fatal_error(ACE_TEXT ("Name in ETag doesn't ") + ACE_TEXT ("match name in STag") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->skip_whitespace () != '>') + { + this->fatal_error(ACE_TEXT ("Expecting '>' at end ") + ACE_TEXT ("of element") + ACEXML_ENV_ARG_PARAMETER); + return -1; + } + this->content_handler_->endElement (ns_uri, ns_lname, + endname + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->prefix_mapping (this->xml_namespace_.getPrefix(ns_uri), + ns_uri, 0 + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (this->namespaces_ && ns_flag) + { + if (this->nested_namespace_ >= 1) + { + this->xml_namespace_.popContext (); + this->nested_namespace_--; + } + } + return 0; + } + default: // a new nested element? + this->parse_element (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + break; + case '&': + if (this->peek () == '#') + { + ACEXML_Char buf[7]; + size_t len = 0; + do + { + len = sizeof (buf); + if (this->parse_char_reference (buf, len) != 0) + { + // [WFC: Legal Character] + this->fatal_error (ACE_TEXT ("Invalid CharRef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } while (buf[0] == '&' && this->peek() == '#'); + for (size_t j = 0; j < len; ++j) + this->obstack_.grow (buf[j]); + cdata_length += len; + } + else + { + this->ref_state_ = ACEXML_ParserInt::IN_CONTENT; + int length = this->parse_entity_reference(ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (length == 1) + cdata_length++; + } + break; + case '\x20': case '\x0D': case '\x0A': case '\x09': +// if (this->validate_) +// { +// // Flush out any non-whitespace characters +// if (cdata_length != 0) +// { +// cdata = this->obstack_.freeze (); +// this->content_handler_->characters(cdata, 0, cdata_length +// ACEXML_ENV_ARG_PARAMETER); +// ACEXML_CHECK_RETURN (-1); +// this->obstack_.unwind (cdata); +// cdata_length = 0; +// } +// ++cdata_length; +// this->obstack_.grow (ch); +// while (1) +// { +// ch = this->peek(); +// if (ch == '\x20' || ch == '\x0D' || ch == '\x0A' || +// ch == '\x09') +// { +// ch = this->get(); +// this->obstack_.grow (ch); +// continue; +// } +// break; +// } +// cdata = this->obstack_.freeze (); +// this->content_handler_->ignorableWhitespace (cdata, 0, +// cdata_length +// ACEXML_ENV_ARG_PARAMETER); +// ACEXML_CHECK_RETURN (-1); +// this->obstack_.unwind (cdata); +// cdata_length = 0; +// break; +// } + // Fall thru... + default: + ++cdata_length; + this->obstack_.grow (ch); + } + } + ACE_NOTREACHED (return 0;) +} + + +int +ACEXML_Parser::parse_cdata (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->parse_token (ACE_TEXT ("[CDATA[")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting '[CDATA[' at beginning of CDATA ") + ACE_TEXT ("section") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char ch; + int datalen = 0; + ACEXML_Char *cdata = 0; + while (1) + { + ch = this->get (); + // Anything goes except the sequence "]]>". + if (ch == ']' && this->peek() == ']') + { + ACEXML_Char temp = ch; + ch = this->get(); + if (ch == ']' && this->peek() == '>') + { + ch = this->get(); + cdata = this->obstack_.freeze (); + this->content_handler_->characters (cdata, 0, datalen + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->obstack_.unwind(cdata); + return 0; + } + this->obstack_.grow (temp); + ++datalen; + } + this->obstack_.grow (ch); + ++datalen; + }; + ACE_NOTREACHED (return -1); +} + + +int +ACEXML_Parser::parse_entity_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char nextch = 0; + + if ((this->parse_token (ACE_TEXT ("NTITY")) < 0) || + this->skip_whitespace_count (&nextch) == 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword ENTITY followed by a ") + ACE_TEXT ("space") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_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->fatal_error (ACE_TEXT ("Expecting space between % and ") + ACE_TEXT ("entity name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + + ACEXML_Char *entity_name = this->parse_name (); + if (entity_name == 0) + { + this->fatal_error (ACE_TEXT ("Invalid entity name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if (this->skip_whitespace_count (&nextch) == 0) + { + this->fatal_error (ACE_TEXT ("Expecting space between entity name and ") + ACE_TEXT ("entityDef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int retval = 0; + if (nextch == '\'' || nextch == '"') + { + ACEXML_Char *entity_value = 0; + if (this->parse_entity_value (entity_value + ACEXML_ENV_ARG_PARAMETER) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid EntityValue") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (is_GEDecl) + retval = this->internal_GE_.add_entity (entity_name, + entity_value); + else + retval = this->internal_PE_.add_entity (entity_name, + entity_value); + if (retval < 0) + { + this->fatal_error (ACE_TEXT ("Internal Parser Error in adding") + ACE_TEXT ("Entity to map") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else if (retval == 1) + { + this->warning (ACE_TEXT ("Duplicate entity found") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else + { + ACEXML_Char *systemid, *publicid; + + this->parse_external_id (publicid, systemid + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (systemid == 0) + { + this->fatal_error(ACE_TEXT ("Invalid SystemLiteral") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->skip_whitespace_count (&nextch); + if (nextch == 'N') // NDATA section followed + { + if (is_GEDecl == 0) + { + this->fatal_error(ACE_TEXT ("Invalid NDataDecl in PEDef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if ((this->parse_token (ACE_TEXT ("NDATA")) < 0) || + this->skip_whitespace_count (&nextch) == 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword NDATA followed ") + ACE_TEXT ("by a space") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char *ndata = this->parse_name (); + if (this->validate_) // [VC: Notation Declared] + { + if (!this->notations_.resolve_entity (ndata)) + { + this->fatal_error (ACE_TEXT ("Undeclared Notation name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->dtd_handler_->unparsedEntityDecl(entity_name, publicid, + systemid, ndata + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else + { + if (is_GEDecl) + retval = this->external_GE_.add_entity (entity_name, + systemid); + else + retval = this->external_PE_.add_entity (entity_name, + systemid); + if (retval < 0) + { + this->fatal_error(ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else if (retval == 1) + this->warning(ACE_TEXT ("Duplicate external entity") + ACEXML_ENV_ARG_PARAMETER); + if (is_GEDecl) + retval = this->external_GE_.add_entity (entity_name, + publicid); + else + retval = this->external_PE_.add_entity (entity_name, + publicid); + if (retval < 0) + { + this->fatal_error(ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else if (retval == 1) + this->warning (ACE_TEXT ("Duplicate entity definition") + ACEXML_ENV_ARG_PARAMETER); + } + } + + // End of ENTITY definition + if (this->skip_whitespace() != '>') + { + this->fatal_error(ACE_TEXT ("Expecting '>' at end of entityDef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + +int +ACEXML_Parser::parse_attlist_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->parse_token (ACE_TEXT ("ATTLIST")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword 'ATTLIST'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int count = check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error(ACE_TEXT ("Expecting space between ATTLIST and ") + ACE_TEXT ("element name") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char *element_name = this->parse_name (); + if (element_name == 0) + { + this->fatal_error(ACE_TEXT ("Invalid element Name in attlistDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char fwd = 0; + count = this->skip_whitespace_count (&fwd); + // Parse AttDef* + while (fwd != '>') + { + if (!this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER) + && !count) + this->fatal_error(ACE_TEXT ("Expecting space between element ") + ACE_TEXT ("name and AttDef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->skip_whitespace_count (&fwd); + if (fwd == '>') + break; + + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + + this->parse_attname (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error(ACE_TEXT ("Expecting space between AttName and ") + ACE_TEXT ("AttType") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->parse_atttype (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error(ACE_TEXT ("Expecting space between AttType and") + ACE_TEXT (" DefaultDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->parse_defaultdecl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->skip_whitespace_count(&fwd); + } + this->get (); // consume closing '>' + return 0; +} + + +int +ACEXML_Parser::check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_DECL) +{ + ACEXML_Char fwd = '\xFF'; + // Skip any leading whitespaces and store the number of such chars skipped + int count = this->skip_whitespace_count (&fwd); + if (fwd == 0) + { + this->get(); // Consume the 0 + this->pop_context (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + fwd = this->peek(); + } + if (fwd == '%') + { + this->get(); // Consume the % + if (this->external_subset_) + { + this->parse_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else + { + this->fatal_error(ACE_TEXT ("Illegal PERef within markupDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + if (count) + { + // We have atleast one whitespace. So just skip any more whitespaces + // and return the count + this->skip_whitespace_count(); + return count; + } + return this->skip_whitespace_count(); +} + +ACEXML_Char* +ACEXML_Parser::parse_attname (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + // Parse attribute name + ACEXML_Char *att_name = this->parse_name (); + if (att_name == 0) + { + this->fatal_error(ACE_TEXT ("Invalid AttName") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (0); + } + return att_name; +} + +int +ACEXML_Parser::parse_defaultdecl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + // DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue) + ACEXML_Char nextch = this->peek (); + ACEXML_Char *fixed_attr = 0; + switch (nextch) + { + case '#': + this->get (); // consume the '#' + switch (this->get ()) + { + case 'R': + if (this->parse_token (ACE_TEXT ("EQUIRED")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword REQUIRED") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_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->fatal_error(ACE_TEXT ("Expecting keyword IMPLIED") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // We now know this attribute is implied. + // @@ Set up the validator as such. + break; + case 'F': + if (this->parse_token (ACE_TEXT ("IXED")) < 0 || + this->skip_whitespace_count () == 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword FIXED") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // We now know this attribute is fixed. + if (this->parse_attvalue (fixed_attr + ACEXML_ENV_ARG_PARAMETER) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid Default AttValue") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // @@ set up validator + break; + default: + this->fatal_error (ACE_TEXT ("Invalid DefaultDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '\'': + case '"': + if (this->parse_attvalue (fixed_attr ACEXML_ENV_ARG_PARAMETER) != 0) + { + this->fatal_error(ACE_TEXT ("Invalid AttValue") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // @@ set up validator + break; + default: + this->fatal_error (ACE_TEXT ("Invalid DefaultDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + return 0; +} + +int +ACEXML_Parser::parse_tokenized_type (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char ch = this->get(); + switch (ch) + { + case 'I': + if (this->get () == 'D') + { + if (this->peek() != 'R' && this->is_whitespace (this->peek())) + { + // 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->peek() != 'S' && this->is_whitespace (this->peek())) + { + // We have successfully identified the type of + // the attribute as IDREF + // @@ Set up validator as such. + break; + } + else if (this->peek() == 'S' + && this->get() // consume the 'S' + && this->is_whitespace (this->peek())) + { + // 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->fatal_error(ACE_TEXT ("Expecting keyword `ID', `IDREF', or") + ACE_TEXT ("`IDREFS'") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + case 'E': // ENTITY or ENTITIES + if (this->parse_token (ACE_TEXT ("NTIT")) == 0) + { + ACEXML_Char nextch = this->get (); + if (nextch == 'Y') + { + // We have successfully identified the type of + // the attribute as ENTITY + // @@ Set up validator as such. + } + else if (this->parse_token (ACE_TEXT ("IES")) == 0) + { + // We have successfully identified the type of + // the attribute as ENTITIES + // @@ Set up validator as such. + } + if (this->is_whitespace (this->peek())) + { + // success + break; + } + } + // Admittedly, this error message is not precise enough + this->fatal_error(ACE_TEXT ("Expecting keyword `ENTITY', or") + ACE_TEXT ("`ENTITIES'") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + case 'M': + if (this->parse_token (ACE_TEXT ("TOKEN")) == 0) + { + if (this->is_whitespace (this->peek())) + { + // We have successfully identified the type of + // the attribute as NMTOKEN + // @@ Set up validator as such. + break; + } + else if (this->peek() == 'S' + && this->get() + && this->is_whitespace (this->peek())) + { + // We have successfully identified the type of + // the attribute as NMTOKENS + // @@ Set up validator as such. + break; + } + } + this->fatal_error(ACE_TEXT ("Expecting keyword `NMTOKEN' or `NMTO") + ACE_TEXT ("KENS'") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->fatal_error (ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + return 0; +} + + +/** + * AttType ::= StringType | TokenizedType | EnumeratedType + * StringType ::= 'CDATA' + * TokenizedType ::= 'ID' [VC: ID] + * [VC: One ID per Element Type] + * [VC: ID Attribute Default] + * | 'IDREF' [VC: IDREF] + * | 'IDREFS' [VC: IDREF] + * | 'ENTITY' [VC: Entity Name] + * | 'ENTITIES' [VC: Entity Name] + * | 'NMTOKEN' [VC: Name Token] + * | 'NMTOKENS' + * + * EnumeratedType ::= NotationType | Enumeration + * NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')' + * [VC: Notation Attributes] + * [VC: One Notation Per Element Type] + * [VC: No Notation on Empty Element] + * Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')' + * [VC: Enumeration] + */ +int +ACEXML_Parser::parse_atttype (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char nextch = this->peek(); + switch (nextch) + { + case 'C': // CDATA + if (this->parse_token (ACE_TEXT ("CDATA")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword 'CDATA'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // Else, we have successfully identified the type of the + // attribute as CDATA + // @@ Set up validator appropriately here. + break; + case 'I': case 'E': // ID, IDREF, IDREFS, ENTITY or ENTITIES + this->parse_tokenized_type (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 'N': // NMTOKEN, NMTOKENS, or NOTATION + this->get(); + nextch = this->peek(); + if (nextch != 'M' && nextch != 'O') + { + this->fatal_error (ACE_TEXT ("Expecting keyword 'NMTOKEN', ") + ACE_TEXT ("'NMTOKENS' or 'NOTATION'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (nextch == 'M') + { + this->parse_tokenized_type (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + else // NOTATION + { + if (this->parse_token (ACE_TEXT ("OTATION")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword `NOTATION'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error (ACE_TEXT ("Expecting space between keyword ") + ACE_TEXT ("NOTATION and '('") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->get () != '(') + { + this->fatal_error(ACE_TEXT ("Expecting '(' in NotationType") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + do { + this->skip_whitespace_count(); + ACEXML_Char *notation_name = this->parse_name (); + if (notation_name == 0) + { + this->fatal_error(ACE_TEXT ("Invalid notation name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // @@ get another notation name, set up validator as such + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + nextch = this->get(); + } while (nextch == '|'); + if (nextch != ')') + { + this->fatal_error (ACE_TEXT ("Expecting a ')' after a ") + ACE_TEXT ("NotationType declaration") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + break; + case '(': // EnumeratedType - Enumeration + this->get(); + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + do { + this->skip_whitespace_count(); + ACEXML_Char *token_name = this->parse_nmtoken (); + if (token_name == 0) + { + this->fatal_error(ACE_TEXT ("Invalid enumeration name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // @@ get another nmtoken, set up validator as such + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + nextch = this->get(); + } while (nextch == '|'); + if (nextch != ')') + { + this->fatal_error (ACE_TEXT ("Expecting a ')' after a ") + ACE_TEXT ("Enumeration declaration") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + default: + { + this->fatal_error(ACE_TEXT ("Invalid AttType") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACE_NOTREACHED (break); + } + return 0; +} + +int +ACEXML_Parser::parse_notation_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->parse_token (ACE_TEXT ("NOTATION")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting Keyword 'NOTATION'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error (ACE_TEXT ("Expecting a space between keyword NOTATION") + ACE_TEXT (" and notation name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char *notation = this->parse_name (); + if (notation == 0) + { + this->fatal_error(ACE_TEXT ("Invalid Notation name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error (ACE_TEXT ("Expecting a space between notation name ") + ACE_TEXT ("and ExternalID/PublicID") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char *systemid, *publicid; + + // Gross hack but otherwise we need to go around a lot of loops to parse, + // When the ExternalID starts with 'PUBLIC' we cannot distinguish a + // PublicId from a ExternalID by looking using a one character read-ahead + ACEXML_ParserInt::ReferenceState temp = this->ref_state_; + this->ref_state_ = ACEXML_ParserInt::IN_NOTATION; + + this->parse_external_id (publicid, systemid + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + // Restore the original value. + this->ref_state_ = temp; + + // [VC: Unique Notation Name] + if (systemid && this->notations_.add_entity (notation, systemid) != 0 + && this->validate_) + { + this->fatal_error(ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (publicid) + { + int retval = this->notations_.add_entity (notation, publicid); + if (retval != 0 && !systemid && this->validate_) + { + this->fatal_error(ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + + if (this->skip_whitespace() != '>') + { + this->fatal_error(ACE_TEXT ("Expecting '>' at end of NotationDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if (this->validate_ && this->dtd_handler_) + { + this->dtd_handler_->notationDecl (notation, + publicid, + systemid ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + +int +ACEXML_Parser::parse_element_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->parse_token (ACE_TEXT ("LEMENT")) < 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword ELEMENT") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + int count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error (ACE_TEXT ("Expecting a space between keyword ELEMENT") + ACE_TEXT (" and element name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char *element_name = this->parse_name (); + if (element_name == 0) + { + this->fatal_error (ACE_TEXT ("Invalid element name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (!count) + { + this->fatal_error (ACE_TEXT ("Expecting a space between element name ") + ACE_TEXT ("and element definition") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char nextch = this->peek(); + switch (nextch) + { + case 'E': // EMPTY + if (this->parse_token (ACE_TEXT ("EMPTY")) < 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword EMPTY") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case 'A': // ANY + if (this->parse_token (ACE_TEXT ("ANY")) < 0) + { + this->fatal_error (ACE_TEXT ("Expecting keyword ANY") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '(': // children + this->parse_children_definition (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: // error + this->fatal_error (ACE_TEXT ("Invalid element definition") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + count = this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (this->skip_whitespace () != '>') + { + this->fatal_error (ACE_TEXT ("Expecting '>' after element defintion") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; +} + + +int +ACEXML_Parser::parse_children_definition (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + this->get (); // consume the '(' + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + int subelement_number = 0; + ACEXML_Char nextch = this->peek(); + switch (nextch) + { + case '#': // Mixed element, + if (this->parse_token (ACE_TEXT ("#PCDATA")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword '#PCDATA'") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + nextch = this->get(); + while (nextch == '|') + { + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + ACEXML_Char *name = this->parse_name (); + // @@ name will be used in the Validator later. + ACE_UNUSED_ARG (name); + ++subelement_number; + // @@ Install Mixed element name into the validator. + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + nextch = this->skip_whitespace(); + } + if (nextch != ')' || + (subelement_number && this->get () != '*')) + { + this->fatal_error(ACE_TEXT ("Expecing ')' or ')*' at end of Mixed") + ACE_TEXT (" element") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_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; + } + + // 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; +} + +int +ACEXML_Parser::parse_child (int skip_open_paren ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + // Conditionally consume the open paren. + if (skip_open_paren == 0 && this->get () != '(') + { + this->fatal_error(ACE_TEXT ("Expecting '(' at beginning of children") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char node_type = 0; + ACEXML_Char nextch; + + do { + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->skip_whitespace_count (&nextch); + switch (nextch) + { + case '(': + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->parse_child (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + // must be an element name here. + ACEXML_Char *subelement = this->parse_name (); + if (subelement == 0) + { + this->fatal_error(ACE_TEXT ("Invalid subelement name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // 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. + } + + // @@ Inform validator of the new element here. + break; + } + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + 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->fatal_error (ACE_TEXT ("Expecting `,', `|', or `)' ") + ACE_TEXT ("while defining an element") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case ',': + switch (node_type) + { + case 0: + node_type = ','; + // @@ inform validator of this new type?? + break; + case ',': + break; + default: + this->fatal_error (ACE_TEXT ("Expecting `,', `|', or `)' ") + ACE_TEXT ("while defining an element") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case ')': + break; + default: + this->fatal_error (ACE_TEXT ("Expecting `,', `|', or `)' ") + ACE_TEXT ("while defining an element") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + nextch = this->get(); // Consume the `,' or `|' or `)' + if (nextch == ')') + break; + this->check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + this->skip_whitespace_count (&nextch); + } 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; +} + +int +ACEXML_Parser::parse_char_reference (ACEXML_Char *buf, size_t& len) +{ + if (len < 7) // Max size of a CharRef plus terminating '\0' + return -1; + ACEXML_Char ch = this->get(); + if (ch != '#') // Internal error. + return -1; + int hex = 0; + ch = this->peek(); + if (ch == 'x') + { + hex = 1; + this->get (); + } + size_t i = 0; + int more_digit = 0; + ch = this->get (); + for ( ; i < len && + (this->isNormalDigit (ch) || (hex ? this->isCharRef(ch): 0)); ++i) + { + buf[i] = ch; + ch = this->get(); + ++more_digit; + } + if (ch != ';' || !more_digit) + return -1; + buf[i] = 0; + ACEXML_UCS4 sum = (ACEXML_UCS4) ACE_OS::strtol (buf, 0, (hex ? 16 : 10)); + // [WFC: Legal Character] + if (!this->isChar (sum)) + return -1; + int clen; +#if defined (ACE_USES_WCHAR) +# if (ACE_SIZEOF_WCHAR == 2) // UTF-16 + if ((clen = ACEXML_Transcoder::ucs42utf16 (sum, buf, len)) < 0) + return -1; +# elif (ACE_SIZEOF_WCHAR == 4) // UCS 4 + buf [0] = sum; + buf [1] = 0; + clen = 2; +# endif /* ACE_SIZEOF_WCHAR */ + +#else // or UTF-8 + if ((clen = ACEXML_Transcoder::ucs42utf8 (sum, buf, len)) < 0) + return -1; +#endif + buf [clen] = 0; + len = clen; + return 0; +} + +ACEXML_Char* +ACEXML_Parser::parse_reference_name (void) +{ + ACEXML_Char ch = this->get (); + if (!this->isLetter (ch) && (ch != '_' || ch != ':')) + return 0; + while (ch) { + this->alt_stack_.grow (ch); + ch = this->peek (); + if (!this->isNameChar (ch)) + break; + ch = this->get (); + }; + if (ch != ';') + return 0; + ch = this->get(); + return this->alt_stack_.freeze (); +} + +int +ACEXML_Parser::parse_attvalue (ACEXML_Char *&str ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char quote = this->get (); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + ACEXML_Char ch = this->get (); + while (1) + { + if (ch == quote) + { + ACEXML_Char* temp = this->obstack_.freeze (); + // If the attribute type is not CDATA, then the XML processor + // must further process the normalized attribute value by + // discarding any leading and trailing space (#x20) characters, + // and by replacing sequences of space (#x20) characters by a + // single space (#x20) character. + + // if (atttype != CDATA) { + // ACEXML_Char* start = temp; + // ACEXML_Char* end = temp + ACE_OS::strlen (temp); + // while (*start == '\x20') + // start++; + // if (start == end) // String which is all spaces + // str = start; + // while (*start != 0) + // { + // this->obstack_.grow (*start); + // start++; + // while (*start == '\x20') + // start++; + // } + // str = this->obstack_.freeze(); + // } + str = temp; + return 0; + } + switch (ch) + { + case '&': + if (this->peek () == '#') + { + ACEXML_Char buf[7]; + size_t len = sizeof (buf); + if (this->parse_char_reference (buf, len) != 0) + { + // [WFC: Legal Character] + this->fatal_error (ACE_TEXT ("Invalid CharacterRef") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + for (size_t j = 0; j < len; ++j) + this->obstack_.grow (buf[j]); + } + else + { + this->ref_state_ = ACEXML_ParserInt::IN_ATT_VALUE; + this->parse_entity_reference (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + break; + case '\x20': case '\x0D': case '\x0A': case '\x09': + this->obstack_.grow ('\x20'); + break; + case '<': // [WFC: No < in Attribute Values] + this->fatal_error (ACE_TEXT ("Illegal '<' in AttValue") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + case 0: + this->pop_context (1 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->obstack_.grow (ch); + break; + } + ch = this->get(); + } +} + + + +int +ACEXML_Parser::parse_entity_reference (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char* replace = this->parse_reference_name (); + if (replace == 0) + { + this->fatal_error (ACE_TEXT ("Invalid Reference name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + // [WFC: Parsed Entity] + if (this->unparsed_entities_.resolve_entity (replace)) { + this->fatal_error (ACE_TEXT ("EntityRef refers to unparsed entity") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + // Look in the internal general entities set first. + const ACEXML_Char* entity = this->internal_GE_.resolve_entity(replace); + + // Look in the predefined entities. + if (!entity) + { + entity = this->predef_entities_.resolve_entity (replace); + if (entity) + { + // Special case to return the length in case of predefined entities + this->obstack_.grow (*entity); + return 1; + } + } + + if (!this->validate_) + { + if (this->standalone_) + { + // [WFC: Entity Declared] + this->fatal_error (ACE_TEXT ("Undeclared Entity reference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else + { + this->content_handler_->skippedEntity (replace + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + return 0; + } + } + + // No match in internal subset + if (!entity + // or No DTDs + && (!(this->internal_dtd_ || this->external_dtd_) + // or Only Internal DTD and no parameter entity references + || (this->internal_dtd_ && !this->external_dtd_ + && !this->has_pe_refs_) + // or Standalone = 'yes' + || this->standalone_)) + { + // [WFC: Entity Declared] + this->fatal_error (ACE_TEXT ("Undeclared Entity reference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char* systemId = 0; + ACEXML_Char* publicId = 0; + if (!entity) + { + if (this->external_GE_.resolve_entity (replace, systemId, publicId) < 0) + { + this->fatal_error (ACE_TEXT ("Undeclared Entity reference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->ref_state_ == ACEXML_ParserInt::IN_ATT_VALUE) + { + this->fatal_error (ACE_TEXT ("External EntityRef in Attribute Value") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->external_entity_++; + } + + + // [WFC: No Recursion] + ACEXML_Char* ref_name = replace; + int present = this->GE_reference_.insert (ref_name); + if (present == 1 || present == -1) + { + while (this->GE_reference_.pop(ref_name) != -1) + ; + this->fatal_error (ACE_TEXT ("Recursion in resolving entity") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if (!this->external_entity_) + { + ACEXML_StrCharStream* str = 0; + ACE_NEW_RETURN (str, ACEXML_StrCharStream, -1); + if (str->open (entity, replace) < 0 + || this->switch_input (str, replace) != 0) + { + this->fatal_error (ACE_TEXT ("Unable to create internal input ") + ACE_TEXT ("stream") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; + } + else + { + ACEXML_Char* uri = this->normalize_systemid (systemId); + ACE_Auto_Basic_Array_Ptr<ACEXML_Char> cleanup_uri (uri); + ACEXML_InputSource* ip = 0; + if (this->entity_resolver_) + { + ip = this->entity_resolver_->resolveEntity (publicId, + (uri ? uri : systemId) + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + if (ip) + { + if (this->switch_input (ip, (uri ? uri : systemId), + publicId) != 0) + { + this->fatal_error (ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; + } + } + ACEXML_StreamFactory factory; + ACEXML_CharStream* cstream = factory.create_stream (uri ? uri: systemId); + if (!cstream) { + this->fatal_error (ACE_TEXT ("Invalid input source") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->switch_input (cstream, systemId, publicId) != 0) + { + this->fatal_error (ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + return 0; +} + +int +ACEXML_Parser::parse_PE_reference (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char* replace = this->parse_reference_name (); + if (replace == 0) + { + this->fatal_error (ACE_TEXT ("Invalid PEReference name") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + // Look in the internal general entities set first. + const ACEXML_Char* entity = this->internal_PE_.resolve_entity(replace); + + if (!entity && // No match in internal + (!this->external_dtd_ || // or No External DTDs + this->standalone_)) // or Standalone + { + // [VC: Entity Declared] + this->fatal_error (ACE_TEXT ("Undefined Internal PEReference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char* systemId = 0; + ACEXML_Char* publicId = 0; + if (!entity && this->validate_) + { + if (this->external_PE_.resolve_entity (replace, systemId, publicId) < 0) + { + this->fatal_error (ACE_TEXT ("Undefined PEReference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + this->external_entity_++; + } + + // [WFC: No Recursion] + ACEXML_Char* ref_name = replace; + int present = this->PE_reference_.insert (ref_name); + if (present == 1 || present == -1) + { + while (this->PE_reference_.pop(ref_name) != -1) + ; + this->fatal_error (ACE_TEXT ("Recursion in resolving entity") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if (entity && !this->external_entity_) + { + ACEXML_StrCharStream* sstream = 0; + ACEXML_String str (entity); + if (this->ref_state_ != ACEXML_ParserInt::IN_ENTITY_VALUE) + { + const ACEXML_Char* ch = ACE_TEXT (" "); + str = ch + str + ch; + } + // ACE_DEBUG ((LM_DEBUG, + // ACE_TEXT ("Entity is %s\n Replacement Text is : %s\n"), + // replace, str.c_str())); + ACE_NEW_RETURN (sstream, ACEXML_StrCharStream, -1); + if (sstream->open (str.c_str(), replace) < 0 + || this->switch_input (sstream, replace) != 0) + { + this->fatal_error (ACE_TEXT ("Error in switching InputSource") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; + } + else if (this->external_entity_ && this->validate_) + { + ACEXML_Char* uri = this->normalize_systemid (systemId); + ACE_Auto_Basic_Array_Ptr<ACEXML_Char> cleanup_uri (uri); + ACEXML_InputSource* ip = 0; + if (this->entity_resolver_) + { + ip = this->entity_resolver_->resolveEntity (publicId, + (uri ? uri : systemId) + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (ip) + { + if (this->switch_input (ip, (uri ? uri : systemId), publicId) != 0) + { + this->fatal_error (ACE_TEXT ("Error in switching InputSource") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + return 0; + } + else + { + ACEXML_StreamFactory factory; + ACEXML_CharStream* cstream = factory.create_stream (uri ? uri: systemId); + if (!cstream) { + this->fatal_error (ACE_TEXT ("Invalid input source") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->switch_input (cstream, systemId, publicId) != 0) + { + this->fatal_error (ACE_TEXT ("Error in switching InputSource") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + if (this->ref_state_ == ACEXML_ParserInt::IN_ENTITY_VALUE) + { + ACEXML_Char less, mark; + if (this->peek() == '<') + { + less = this->get(); + if (this->peek() == '?') + { + mark = this->get(); + if (this->peek() == 'x') + { + this->parse_text_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + else + { + this->obstack_.grow (less); + this->obstack_.grow (mark); + } + } + this->obstack_.grow (less); + } + } + return 0; + } + } + this->fatal_error (ACE_TEXT ("Undefined PEReference") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + return -1; +} + +int +ACEXML_Parser::parse_entity_value (ACEXML_Char *&str + ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_ParserInt::ReferenceState temp = this->ref_state_; + ACEXML_Char quote = this->get (); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + ACEXML_Char ch = this->get (); + while (1) + { + if (ch == quote) + { + str = this->obstack_.freeze (); + this->ref_state_ = temp; + return 0; + } + switch (ch) + { + case '&': + if (this->peek () == '#') + { + if (!this->external_entity_) + { + ACEXML_Char buf[7]; + size_t len = sizeof (buf); + if (this->parse_char_reference (buf, len) != 0) + { + // [WFC: Legal Character] + this->fatal_error (ACE_TEXT ("Invalid character ") + ACE_TEXT ("reference") + ACEXML_ENV_ARG_PARAMETER); + return -1; + } + for (size_t j = 0; j < len; ++j) + this->obstack_.grow (buf[j]); + break; + } + } + this->obstack_.grow (ch); + break; + case '%': + if (!this->external_entity_) + { + this->ref_state_ = ACEXML_ParserInt::IN_ENTITY_VALUE; + this->parse_PE_reference(ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + } + this->obstack_.grow (ch); + break; + case 0: + this->pop_context (0 ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + break; + default: + this->obstack_.grow (ch); + break; + } + ch = this->get(); + } +} + +ACEXML_Char * +ACEXML_Parser::parse_name (ACEXML_Char ch) +{ + if (ch == 0) + ch = this->get (); + if (!this->isLetter (ch) && ch != '_' && ch != ':') + return 0; + while (ch) { + this->obstack_.grow (ch); + ch = this->peek (); + if (!this->isNameChar (ch)) + break; + ch = this->get (); + }; + return this->obstack_.freeze (); +} + +ACEXML_Char* +ACEXML_Parser::parse_nmtoken (ACEXML_Char ch) +{ + if (ch == 0) + ch = this->get (); + if (!this->isNameChar (ch)) + return 0; + while (ch) { + this->obstack_.grow (ch); + ch = this->peek (); + if (!this->isNameChar (ch)) + break; + ch = this->get (); + }; + return this->obstack_.freeze (); +} + +int +ACEXML_Parser::parse_version_num (ACEXML_Char*& str) +{ + ACEXML_Char quote = this->get (); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + int numchars = 0; + while (1) + { + ACEXML_Char ch = this->get (); + if (ch == quote && !numchars) + return -1; + else if (ch == quote) + { + str = this->obstack_.freeze (); + return 0; + } + // [26] VersionNum ::= ([a-zA-Z0-9_.:] | '-')+ + if (ch == '-' || ((ch >= 'a' && ch <= 'z') || + (ch >= 'A' && ch <= 'Z') || + (ch >= '0' && ch <= '9') || + (ch == '_' || ch == '.' || ch == ':'))) + { + this->obstack_.grow (ch); + numchars++; + } + else + return -1; + } +} + +int +ACEXML_Parser::parse_system_literal (ACEXML_Char*& str) +{ + const ACEXML_Char quote = this->get(); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + while (1) + { + ACEXML_Char ch = this->get (); + if (ch == quote) + { + str = this->obstack_.freeze (); + return 0; + } + switch (ch) + { + case '\x00': case '\x01': case '\x02': case '\x03': case '\x04': + case '\x05': case '\x06': case '\x07': case '\x08': case '\x09': + case '\x0A': case '\x0B': case '\x0C': case '\x0D': case '\x0E': + case '\x0F': case '\x10': case '\x11': case '\x12': case '\x13': + case '\x14': case '\x15': case '\x16': case '\x17': case '\x18': + case '\x19': case '\x1A': case '\x1B': case '\x1C': case '\x1D': + case '\x1E': case '\x1F': case '\x7F': case '\x20': case '<': + case '>': case '#': case '%': + ACE_ERROR ((LM_ERROR, + ACE_TEXT ("Invalid char %c in SystemLiteral\n"), ch)); + return -1; + default: + this->obstack_.grow (ch); + } + } +} + +int +ACEXML_Parser::parse_pubid_literal (ACEXML_Char*& str) +{ + const ACEXML_Char quote = this->get(); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + while (1) + { + ACEXML_Char ch = this->get (); + if (ch == quote) + { + str = this->obstack_.freeze (); + return 0; + } + else if (this->isPubidChar (ch)) + this->obstack_.grow (ch); + else + return -1; + } +} + +int +ACEXML_Parser::parse_encname (ACEXML_Char*& str) +{ + const ACEXML_Char quote = this->get (); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + int numchars = 0; + while (1) + { + ACEXML_Char ch = this->get (); + if (ch == quote && !numchars) + return -1; + else if (ch == quote) + { + str = this->obstack_.freeze (); + return 0; + } + // [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')* + if (!((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) + && !numchars) + return -1; + if (ch == '-' || ((ch >= 'a' && ch <= 'z') || + (ch >= 'A' && ch <= 'Z') || + (ch >= '0' && ch <= '9') || + (ch == '_' || ch == '.'))) + { + this->obstack_.grow (ch); + numchars++; + } + else + return -1; + } +} + +int +ACEXML_Parser::parse_sddecl (ACEXML_Char*& str) +{ + ACEXML_Char quote = this->get (); + if (quote != '\'' && quote != '"') // Not a quoted string. + return -1; + int numchars = 0; + while (1) + { + ACEXML_Char ch = this->get (); + if (ch == quote && numchars < 2) + return -1; + else if (ch == quote) + { + str = this->obstack_.freeze (); + return 0; + } + // [32] SDDecl ::= S 'standalone' Eq (("'" ('yes' | 'no') "'") + // | ('"' ('yes' | 'no') '"')) + switch (ch) + { + case 'y': case 'e': case 's': case 'n': case 'o': + this->obstack_.grow (ch); + numchars++; + break; + default: + return -1; + } + } +} + +void +ACEXML_Parser::prefix_mapping (const ACEXML_Char* prefix, + const ACEXML_Char* uri, + int start ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + if (this->namespaces_) + { + const ACEXML_Char* temp = (prefix == 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; + } + } +} + +int +ACEXML_Parser::switch_input (ACEXML_CharStream* cstream, + const ACEXML_Char* systemId, + const ACEXML_Char* publicId) +{ + ACEXML_InputSource* input = 0; + ACE_NEW_RETURN (input, ACEXML_InputSource (cstream), -1); + return this->switch_input (input, systemId, publicId); +} + +int +ACEXML_Parser::switch_input (ACEXML_InputSource* input, + const ACEXML_Char* systemId, + const ACEXML_Char* publicId) +{ + ACEXML_LocatorImpl* locator = 0; + if (!systemId) + systemId = input->getSystemId(); + ACE_NEW_RETURN (locator, ACEXML_LocatorImpl (systemId, publicId), -1); + ACEXML_Parser_Context* new_context = 0; + ACE_NEW_RETURN (new_context, ACEXML_Parser_Context(input, locator), -1); + if (this->push_context (new_context) != 0) + { + ACE_ERROR ((LM_ERROR, "Unable to switch input streams")); + delete new_context; + return -1; + } + this->current_ = new_context; + this->content_handler_->setDocumentLocator (this->current_->getLocator()); + return 0; +} + +int +ACEXML_Parser::push_context (ACEXML_Parser_Context* context) +{ + if (this->ctx_stack_.push (context) < 0) + { + ACE_ERROR ((LM_ERROR, "Unable to push input source onto the stack")); + return -1; + } + return 0; +} + +size_t +ACEXML_Parser::pop_context (int GE_ref ACEXML_ENV_ARG_DECL) +{ + size_t nrelems = this->ctx_stack_.size(); + if (nrelems <= 1) + { + this->fatal_error(ACE_TEXT ("Unexpected end-of-file") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Parser_Context* temp = 0; + int retval = this->ctx_stack_.pop (temp); + if (retval != 0) + { + this->fatal_error (ACE_TEXT ("Unable to pop element of the input stack") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + delete temp; + if (this->ctx_stack_.top (this->current_) != 0) + { + this->fatal_error (ACE_TEXT ("Unable to read top element of input stack") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + ACEXML_Char* reference = 0; + if (GE_ref == 1 && this->GE_reference_.size() > 0) + { + if (this->GE_reference_.pop (reference) < 0) + { + this->fatal_error (ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + else if (GE_ref == 0 && this->PE_reference_.size() > 0) + { + if (this->PE_reference_.pop (reference) < 0) + { + this->fatal_error (ACE_TEXT ("Internal Parser Error") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + } + nrelems = this->ctx_stack_.size(); + + if (this->external_entity_ && (GE_ref == 0 || GE_ref == 1)) + this->external_entity_--; + + this->content_handler_->setDocumentLocator (this->current_->getLocator()); + + return nrelems; +} + +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_; + } + else if (ACE_OS::strcmp (name, ACEXML_Parser::validation_feature_) == 0) + { + return this->validate_; + } + 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; + } + else if (ACE_OS::strcmp (name, ACEXML_Parser::validation_feature_) == 0) + { + this->validate_ = (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::error (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_SAXParseException* exception = 0; + ACE_NEW_NORETURN (exception, ACEXML_SAXParseException (msg)); + if (this->error_handler_) + this->error_handler_->error (*exception ACEXML_ENV_ARG_PARAMETER); + else + ACEXML_ENV_RAISE (exception); + return; +} + +void +ACEXML_Parser::warning (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_SAXParseException* exception = 0; + ACE_NEW_NORETURN (exception, ACEXML_SAXParseException (msg)); + if (this->error_handler_) + this->error_handler_->warning (*exception ACEXML_ENV_ARG_PARAMETER); + delete exception; + return; +} + +void +ACEXML_Parser::fatal_error (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_SAXParseException* exception = 0; + ACE_NEW_NORETURN (exception, ACEXML_SAXParseException (msg)); + if (this->error_handler_) + this->error_handler_->fatalError (*exception ACEXML_ENV_ARG_PARAMETER); + this->reset(); + ACEXML_ENV_RAISE (exception); + return; +} + +void +ACEXML_Parser::parse_version_info (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char* astring; + if (this->parse_token (ACE_TEXT("ersion")) < 0 + || this->skip_equal () != 0 + || this->parse_version_num (astring) != 0) + { + this->fatal_error (ACE_TEXT ("Invalid VersionInfo specification") + ACEXML_ENV_ARG_PARAMETER); + return; + } + if (ACE_OS::strcmp (astring, ACE_TEXT ("1.0")) != 0) + { + this->fatal_error (ACE_TEXT ("ACEXML Parser supports XML version 1.0 ") + ACE_TEXT ("documents only") ACEXML_ENV_ARG_PARAMETER); + return; + } +} + +void +ACEXML_Parser::parse_encoding_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + ACEXML_Char* astring = 0; + if ((this->parse_token (ACE_TEXT("ncoding")) < 0) + || this->skip_equal () != 0 + || this->parse_encname (astring) != 0) + { + this->fatal_error (ACE_TEXT ("Invalid EncodingDecl specification") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + const ACEXML_Char* encoding = this->current_->getInputSource()->getEncoding(); + if (encoding != 0 && ACE_OS::strcmp (astring, encoding) != 0) + { + ACE_ERROR ((LM_ERROR, ACE_TEXT ("Detected Encoding is %s ") + ACE_TEXT (": Declared Encoding is %s\n"), + encoding, astring)); + this->warning (ACE_TEXT ("Declared encoding differs from detected ") + ACE_TEXT ("encoding") ACEXML_ENV_ARG_PARAMETER); + } +} + +int +ACEXML_Parser::parse_text_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + // Read xml + if (this->parse_token (ACE_TEXT("xml")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword 'xml' in TextDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + ACEXML_Char fwd = this->skip_whitespace(); + // Read version + if (fwd == 'v') + { + this->parse_version_info (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + fwd = this->skip_whitespace(); + } + + if (fwd == 'e') + { + this->parse_encoding_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + fwd = this->skip_whitespace(); + } + else + { + this->fatal_error (ACE_TEXT ("Missing encodingDecl in TextDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + if (fwd == '?' && this->get() == '>') + return 0; + // All the rules fail. So return an error. + this->fatal_error (ACE_TEXT ("Invalid TextDecl") ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + return -1; +} + +void +ACEXML_Parser::parse_xml_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + // Read <?xml + if (this->parse_token (ACE_TEXT("xml")) < 0) + { + this->fatal_error(ACE_TEXT ("Expecting keyword xml in XMLDecl") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + + ACEXML_Char fwd = this->skip_whitespace(); + + // Read version + if (fwd != 'v') + { + this->fatal_error (ACE_TEXT ("Expecting VersionInfo declaration") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; + } + + this->parse_version_info (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK; + + fwd = this->skip_whitespace(); + if (fwd != '?') + { + if (fwd == 'e') + { + this->parse_encoding_decl (ACEXML_ENV_SINGLE_ARG_PARAMETER); + ACEXML_CHECK; + fwd = this->skip_whitespace(); + } + if (fwd == 's') + { + ACEXML_Char* astring; + if ((this->parse_token (ACE_TEXT("tandalone")) == 0) && + this->skip_equal () == 0 && + this->parse_sddecl (astring) == 0) + { + if (ACE_OS::strcmp (astring, ACE_TEXT ("yes")) == 0) + this->standalone_ = 1; + fwd = this->skip_whitespace(); + } + } + } + if (fwd == '?' && this->get() == '>') + return; + // All the rules fail. So return an error. + this->fatal_error (ACE_TEXT ("Invalid XMLDecl declaration") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK; +} + +int +ACEXML_Parser::parse_comment (void) +{ + 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) + ACE_THROW_SPEC ((ACEXML_SAXException)) +{ + const ACEXML_Char *pitarget = this->parse_name (); + ACEXML_Char *instruction = 0; + + if (!ACE_OS::strcasecmp (ACE_TEXT ("xml"), pitarget)) + { + // Invalid PITarget name. + this->fatal_error(ACE_TEXT ("PI can't have 'xml' in PITarget") + ACEXML_ENV_ARG_PARAMETER); + ACEXML_CHECK_RETURN (-1); + } + + int state = 0; + + ACEXML_Char ch = this->skip_whitespace(); + 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 (const_cast<ACEXML_Char*> (pitarget)); + return 0; + } + break; + case 0x0A: + // Fall thru... + default: + if (state == 1) + this->obstack_.grow ('?'); + this->obstack_.grow (ch); + state = 0; + } + ch = this->get (); + } + return -1; +} + +void +ACEXML_Parser::reset (void) +{ + this->doctype_ = 0; + if (this->ctx_stack_.pop (this->current_) == -1) + ACE_ERROR ((LM_ERROR, + ACE_TEXT ("Mismatched push/pop of Context stack"))); + if (this->current_) + { + this->current_->getInputSource()->getCharStream()->rewind(); + + this->current_->setInputSource (0); + delete this->current_; + this->current_ = 0; + } + + ACEXML_Char* temp = 0; + while (this->GE_reference_.pop (temp) != -1) + ; + while (this->PE_reference_.pop (temp) != -1) + ; + this->obstack_.release(); + this->alt_stack_.release(); + this->xml_namespace_.reset(); + this->nested_namespace_ = 0; + this->internal_GE_.reset(); + this->external_GE_.reset(); + this->unparsed_entities_.reset(); + this->predef_entities_.reset(); + this->internal_PE_.reset(); + this->external_PE_.reset(); + this->notations_.reset(); + this->ref_state_ = ACEXML_ParserInt::INVALID; + this->external_subset_ = 0; + this->external_entity_ = 0; + this->has_pe_refs_ = 0; + this->standalone_ = 0; + this->external_dtd_ = 0; + this->internal_dtd_ = 0; +} + |