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Diffstat (limited to 'ACE/ACEXML/parser/parser/Parser.h')
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1 files changed, 904 insertions, 0 deletions
diff --git a/ACE/ACEXML/parser/parser/Parser.h b/ACE/ACEXML/parser/parser/Parser.h new file mode 100644 index 00000000000..228cb749015 --- /dev/null +++ b/ACE/ACEXML/parser/parser/Parser.h @@ -0,0 +1,904 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file Parser.h + * + * $Id$ + * + * @author Nanbor Wang <nanbor@cs.wustl.edu> + * @author Krishnakumar B <kitty@cs.wustl.edu> + */ +//============================================================================= + +#ifndef _ACEXML_BASIC_PARSER_H_ +#define _ACEXML_BASIC_PARSER_H_ + +#include /**/ "ace/pre.h" +#include "ACEXML/parser/parser/Parser_export.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +#pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ACEXML/common/XMLReader.h" +#include "ACEXML/common/LocatorImpl.h" +#include "ACEXML/common/NamespaceSupport.h" +#include "ACEXML/common/CharStream.h" +#include "ace/Obstack.h" +#include "ace/Functor.h" +#include "ace/SString.h" +#include "ace/Hash_Map_Manager.h" +#include "ace/Unbounded_Set.h" +#include "ace/Containers_T.h" +#include "ace/Auto_Ptr.h" +#include "ACEXML/parser/parser/Entity_Manager.h" +#include "ACEXML/parser/parser/ParserInternals.h" +#include "ACEXML/parser/parser/ParserContext.h" + +/** + * @class ACEXML_Parser Parser.h "ACEXML/parser/parser/Parser.h" + * + * @brief A SAX based parser. + * + */ +class ACEXML_PARSER_Export ACEXML_Parser : public ACEXML_XMLReader +{ +public: + /// Default constructor. + ACEXML_Parser (void); + + /// Destructor. + virtual ~ACEXML_Parser (void); + + /** + * Initialize the parser state. + * + * @retval 0 if parser was initialized correctly else -1. + */ + int initialize (ACEXML_InputSource* input); + + /** + * Return the current content handler. + */ + virtual ACEXML_ContentHandler *getContentHandler (void) const; + + /* + * Return the current DTD handler. + */ + virtual ACEXML_DTDHandler *getDTDHandler (void) const; + + /* + * Return the current entity resolver. + */ + virtual ACEXML_EntityResolver *getEntityResolver (void) const; + + /* + * Return the current error handler. + */ + virtual ACEXML_ErrorHandler *getErrorHandler (void) const; + + /** + * Look up the value of a feature. This method allows + * programmers to check whether a specific feature has been + * activated in the parser. + */ + virtual int getFeature (const ACEXML_Char *name ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, + ACEXML_SAXNotSupportedException)) ; + + /** + * Activating or deactivating a feature. + */ + virtual void setFeature (const ACEXML_Char *name, + int boolean_value ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, + ACEXML_SAXNotSupportedException)) ; + + /* + * Look up the value of a property. + */ + virtual void * getProperty (const ACEXML_Char *name ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, + ACEXML_SAXNotSupportedException)) ; + + /* + * Set the value of a property. + */ + virtual void setProperty (const ACEXML_Char *name, + void *value ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXNotRecognizedException, + ACEXML_SAXNotSupportedException)) ; + + /* + * Parse an XML document. + */ + virtual void parse (ACEXML_InputSource *input ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) ; + + /* + * Parse an XML document from a system identifier (URI). + */ + virtual void parse (const ACEXML_Char *systemId ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)) + ; + + /* + * Allow an application to register a content event handler. + */ + virtual void setContentHandler (ACEXML_ContentHandler *handler); + + /* + * Allow an application to register a DTD event handler. + */ + virtual void setDTDHandler (ACEXML_DTDHandler *handler); + + /* + * Allow an application to register an entity resolver. + */ + virtual void setEntityResolver (ACEXML_EntityResolver *resolver); + + /* + * Allow an application to register an error event handler. + */ + virtual void setErrorHandler (ACEXML_ErrorHandler *handler); + + + +protected: + /** + * Parse XML Prolog. + */ + void parse_xml_prolog (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse VersionInfo declaration. + * + */ + void parse_version_info (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a EncodingDecl declaration. + * + */ + void parse_encoding_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a XMLDecl declaration. + * + */ + void parse_xml_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a TextDecl declaration. + */ + int parse_text_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a PI statement. The first character encountered + * should always be '?' in the PI prefix "@<?". + * + * @retval 0 on success, -1 otherwise. + */ + int parse_processing_instruction (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse the DOCTYPE declaration. The first character encountered + * should always be 'D' in doctype prefix: "@<@!DOCTYPE". + */ + int parse_doctypedecl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an XML element. The first character encountered should + * be the first character of the element "Name". + * + * @param is_root If not 0, then we are expecting to see the "root" + * element now, and the next element's name need to match the name + * defined in DOCTYPE definition, i.e., @a this->doctype_. + * + * @todo Instead of simply checking for the root element based on the + * argument @a is_root, we should instead either pass in some sort + * of validator or allow the function to return the element name so it + * can be used in a validator. + */ + void parse_element (int is_root ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a content declaration. + * + */ + int 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)); + + /** + * Parse a character reference, i.e., " " or "". The first + * character encountered should be the '#' char. + * + * @param buf points to a character buffer for the result. + * + * @param len In/out argument which initially specifies the size of the + * buffer and is later set to the no. of characters in the reference. + * + * @retval 0 on success and -1 otherwise. + */ + int parse_char_reference (ACEXML_Char *buf, size_t& len); + + /** + * Parse a reference name, i.e., foo in "&foo;" or "%foo;". The first + * character encountered should be the character following '&' or '%'. + * Effectively the same as @sa parse_name but we don't use the parser's + * obstack. Caller is responsible for deleting the memory. + * + * @retval A pointer to name of reference, 0 otherwise. + */ + ACEXML_Char* parse_reference_name (void); + + /** + * Parse a CDATA section. The first character should always be the first + * '[' in CDATA definition. + * + * @retval 0 on success. + * @retval -1 if fail. + */ + int parse_cdata (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a "markupdecl" section, this includes both "markupdecl" and + * "DeclSep" sections in XML specification + */ + int parse_internal_dtd (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Skip over a comment. The first character encountered should always be + * the first '-' in the comment prefix "@<@!--". + */ + int parse_comment (void); + + /** + * Parse an "ELEMENT" decl. The first character this method + * expects is always the 'L' (the second char) in the word + * "ELEMENT". + * + * @retval 0 on success, -1 otherwise. + */ + int parse_element_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an "ENTITY" decl. The first character this method expects + * is always the 'N' (the second char) in the word "ENTITY". + * + * @retval 0 on success, -1 otherwise. + */ + int parse_entity_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an "ATTLIST" decl. Thse first character this method + * expects is always the 'A' (the first char) in the word + * "ATTLIST". + * + * @retval 0 on success, -1 otherwise. + */ + int parse_attlist_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a AttType declaration. + * + */ + int parse_atttype (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + *Parse a "NOTATION" decl. The first character this method + * expects is always the 'N' (the first char) in the word + * "NOTATION". + * + * @retval 0 on success, -1 otherwise. + */ + int parse_notation_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an ExternalID or a reference to PUBLIC ExternalID. + * Possible cases are in the forms of: <code> + * + * SYSTEM 'quoted string representing system resource' + * PUBLIC 'quoted name of public ID' 'quoted resource' + * PUBLIC 'quoted name we are referring to' + * </code> + * + * The first character this function sees must be either 'S' or 'P'. + * When the function finishes parsing, the input stream points + * at the first non-whitespace character. + * + * @param publicId returns the unquoted publicId read. If none + * is available, it will be reset to 0. + * @param systemId returns the unquoted systemId read. If none + * is available, it will be reset to 0. + * + * @retval 0 on success, -1 otherwise. + */ + int parse_external_id (ACEXML_Char *&publicId, ACEXML_Char *&systemId + ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an external DTD. + * + */ + int parse_external_dtd (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an external subset. This does the actual parsing of an external + * subset and is called by @sa parse_external_dtd. + * + */ + int parse_external_subset (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a markupDecl section. + * + */ + int parse_markup_decl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a conditionalSect declaration. + * + */ + int parse_conditional_section (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a includeSect declaration. + * + */ + int parse_includesect (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * + * Parse a ignoreSect declaration. + */ + int parse_ignoresect (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a PEReference. + * + */ + int parse_PE_reference (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a Reference. + * + */ + int parse_entity_reference (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an entityValue. + * + */ + int parse_entity_value (ACEXML_Char *&str ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a DefaultDecl specification. + * + */ + int parse_defaultdecl (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + + /** + * Parse the "children" and "Mixed" non-terminals in contentspec. + * + * The first character this function sees must be the first + * open paren '(' in children. + * + * @retval 0 on success, -1 otherwise. + */ + int parse_children_definition (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a @c cp non-terminal. @c cp can either be a @c seq or a @c choice. + * This function calls itself recursively. + * + * @param skip_open_paren when non-zero, it indicates that the open paren of + * the @c seq or @c choice has already been removed from the input + * stream. + * + * @retval 0 on success, -1 otherwise. + */ + int parse_child (int skip_open_paren ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a name from the input CharStream. If @a ch @!= 0, then we have + * already consumed the first name character from the input CharStream, + * otherwise, parse_name will use this->get() to acquire the initial + * character. + * + * @return A pointer to the string in the obstack, 0 if it's not a + * valid name. + */ + ACEXML_Char *parse_name (ACEXML_Char ch = 0); + + /** + * Parse a NMTOKEN from the input stream. + * + * @return A pointer to the string in the obstack, 0 if it's not a valid + * NMTOKEN. + */ + ACEXML_Char* parse_nmtoken (ACEXML_Char ch = 0); + + /** + * Parse the version string in an XML Prolog section. + * + * @param str String containing the version number if successful. + * @return 0 if the string was read successfully, 0 otherwise. + */ + int parse_version (ACEXML_Char*& str); + + /** + * Parse the version number in a VersionInfo declaration. + */ + int parse_version_num (ACEXML_Char*& str); + + /** + * Parse the encoding name in an XML Prolog section. + * + * @param str String containing the encoding name if successful. + * @return 0 if the string was read successfully, 0 otherwise. + */ + int parse_encname (ACEXML_Char*& str); + + /** + * Parse a SDDecl string. + * + * @param str String containing the encoding name if successful. + * @return 0 if the string was read successfully, -1 otherwise. + */ + int parse_sddecl (ACEXML_Char*& str); + + /** + * Parse an attribute name. + * + * @retval str String containing the value of the attribute name + * if successful. + * @retval 0 otherwise. + */ + ACEXML_Char* parse_attname (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse an attribute value. + * + * @param str String containing the value of the attribute if successful. + * @return 0 if attribute value was read successfully, -1 otherwise. + */ + int parse_attvalue (ACEXML_Char*& str ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a tokenized type attribute. + * + * @return 0 if attribute type was read successfully, -1 otherwise. + */ + int parse_tokenized_type (ACEXML_ENV_SINGLE_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Parse a SystemLiteral. + * + * @param str String containing the SystemLiteral if successful. + * @return 0 if the string was read successfully, 0 otherwise. + */ + int parse_system_literal (ACEXML_Char*& str); + + /** + * Parse a PubidLiteral. + * + * @param str String containing the PubidLiteral if successful. + * @return 0 if the string was read successfully, 0 otherwise. + */ + int parse_pubid_literal (ACEXML_Char*& str); + + /** + * Check if a character @a c is a whitespace. + * + * @retval 1 if @a c is a valid white space character. 0 otherwise. + */ + int is_whitespace (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a valid Char. + * + * @retval 1 if @a c is a valid character. 0 otherwise. + */ + int isChar (ACEXML_UCS4 c) const; + + /** + * Check if a character @a c is a valid CharRef character. + * + * @retval 1 if @a c is a valid character reference character, 0 otherwise. + */ + int isCharRef (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a BaseChar. + * + * @retval 1 if @a c is a valid BaseChar character, 0 otherwise. + */ + int isBasechar (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a Ideographic. + * + * @retval 1 if @a c is a valid Ideographic character, 0 otherwise. + */ + int isIdeographic (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a CombiningChar. + * + * @retval 1 if @a c is a valid CombiningChar character, 0 otherwise. + */ + int isCombiningchar (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a Digit. + * + * @retval 1 if @a c is a valid Digit character, 0 otherwise. + */ + int isDigit (const ACEXML_Char c) const; + + /** + * Check if a character @a c is an Extender. + * + * @retval 1 if @a c is a valid Extender character, 0 otherwise. + */ + int isExtender (const ACEXML_Char c) const; + + /** + * Check if a character @a c is a Letter. + * + * @retval 1 if @a c is a valid Letter character, 0 otherwise. + */ + int isLetter (const ACEXML_Char c) const; + + /** + * Check if a character is an acceptable NameChar. + * + * @retval 1 if @a c is a valid NameChar character, 0 otherwise. + */ + int isNameChar (const ACEXML_Char c) const; + + /** + * Check if a character is a PubidChar. + * + * @retval 1 if @a c is a valid PubidChar character, 0 otherwise. + */ + int isPubidChar (const ACEXML_Char c) const; + + /// Get a character. + virtual ACEXML_Char get (void); + + /// Peek a character. + virtual ACEXML_Char peek (void); + +private: + + // *** Helper functions for parsing XML + + /** + * Skip any whitespaces encountered until the first non-whitespace + * character is encountered. + * + * @return The next non-whitespace character from the CharStream. + * + * @sa skip_whitespace_count + */ + ACEXML_Char skip_whitespace (void); + + /** + * Skip any whitespaces encountered until the first non-whitespace + * character. The first non-whitespace character is not consumed. + * This method does peek into the input CharStream and therefore + * is more expensive than @ref skip_whitespace. + * + * @param peek If non-null, @a peek points to a ACEXML_Char where + * skip_whitespace_count stores the first non-whitespace + * character it sees (character is not removed from the stream.) + * + * @return The number of whitespace characters consumed. + * + * @sa skip_whitespace + */ + int skip_whitespace_count (ACEXML_Char *peek = 0); + + /** + * Skip an equal sign. + * + * @retval 0 when succeeds, -1 if no equal sign is found. + */ + int skip_equal (void); + + /** + * Get a quoted string. Quoted strings are used to specify + * attribute values and this routine will replace character and + * entity references on-the-fly. Parameter entities are not allowed + * (or replaced) in this function. (But regular entities are.) + * + * @param str returns the un-quoted string. + * + * @retval 0 on success, -1 otherwise. + */ + int get_quoted_string (ACEXML_Char *&str); + + /** + * Check if a character @a c is a Digit. + * + * @retval 1 if @a c is a valid Digit character, 0 otherwise. + */ + int isNormalDigit (const ACEXML_Char c) const; + + /** + * Dispatch errors to ErrorHandler. + * + */ + void error (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Dispatch warnings to ErrorHandler. + * + */ + void warning (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Dispatch fatal errors to ErrorHandler. + * + */ + void fatal_error (const ACEXML_Char* msg ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + + /** + * Dispatch prefix mapping calls to the ContentHandler. + * + * @param prefix Namespace prefix + * @param uri Namespace URI + * @param name Local name + * @param start 1 => startPrefixMapping 0 => endPrefixMapping + */ + void prefix_mapping (const ACEXML_Char* prefix, + const ACEXML_Char* uri, + int start ACEXML_ENV_ARG_DECL) + ACE_THROW_SPEC ((ACEXML_SAXException)); + /** + * Parse a keyword. + */ + int parse_token (const ACEXML_Char* keyword); + + /** + * Push the current context on to the stack. + * + */ + int push_context (ACEXML_Parser_Context* context); + + /** + * Pop the top element in the stack and replace current context with that. + */ + size_t pop_context (int GE_ref ACEXML_ENV_ARG_DECL); + + /** + * Create a new ACEXML_CharStream from @a systemId and @a publicId and + * replace the current input stream with the newly created stream. + */ + virtual int switch_input (ACEXML_CharStream* cstream, + const ACEXML_Char* systemId, + const ACEXML_Char* publicId = 0); + /** + * Create a new ACEXML_InputSource from @a systemId and @a publicId and + * replace the current input source with the newly created InputSource. + */ + virtual int switch_input (ACEXML_InputSource* input, + const ACEXML_Char* systemId, + const ACEXML_Char* publicId = 0); + + /** + * Check for a parameter entity reference. This is used to check for the + * occurence of a PE Reference withing markupDecl. Additionally this + * function consumes any leading or trailing whitespace around the PE + * Reference. + * + * @retval Number of whitespace characters skipped. + */ + int check_for_PE_reference (ACEXML_ENV_SINGLE_ARG_DECL); + + /** + * Reset the parser state. + * + */ + void reset (void); + + /** + * Very trivial, non-conformant normalization of a systemid. + * + */ + ACEXML_Char* normalize_systemid (const ACEXML_Char* systemId); + + // Feature names: + + /** + * \addtogroup acexml_parser_features + * @{ + */ + + /** + * @var simple_parsing_feature_ + * + * This constant string defines the name of "simple XML parsing" + * feature. When this feature is enabled, ACEXML parser is allowed + * to parse a simple XML stream without mandated XML prolog + * and no DTD defintion. + */ + static const ACEXML_Char simple_parsing_feature_[]; + + /** + * @var namespaces_feature_ + * + * This constant string defines the SAX XML Namespace feature. When this + * feature is enabled, ACEXML parser allows access by namespace qualified + * names. + */ + static const ACEXML_Char namespaces_feature_[]; + + /** + * @var namespace_prefixes_feature_ + * + * This constant string defines the SAX XML Namespace prefixes feature. + * Normally the list of attributes returned by the parser will not + * contain attributes used as namespace declarations (xmlns*). When this + * feature is enabled, the list of attributes contains the namespace + * declarations also. + */ + static const ACEXML_Char namespace_prefixes_feature_[]; + + /** + * @var validation_feature_ + * + * This constant string defines the SAX XML Validation feature. When + * this feature is enabled, the parser validates the document in + * addition to checking for well-formedness. + */ + static const ACEXML_Char validation_feature_[]; + + /* @} */ + + /// Keeping track of the handlers. We do not manage the memory for + /// handlers. + ACEXML_DTDHandler *dtd_handler_; + ACEXML_EntityResolver *entity_resolver_; + ACEXML_ContentHandler *content_handler_; + ACEXML_ErrorHandler *error_handler_; + + /// Document Type + ACEXML_Char *doctype_; + + /// Current parser context + ACEXML_Parser_Context* current_; + + /// Stack used to hold the Parser_Context + ACE_Unbounded_Stack<ACEXML_Parser_Context*> ctx_stack_; + + /* + * The following two are essentially chains of references and is used by + * the parser to determine if there is any recursion. We keep two of + * these one for general entities and one for parameter entities, as they + * both fall under different namespaces. + * + */ + /// Set used to hold the general entity references that are active. + ACE_Unbounded_Stack<ACEXML_Char*> GE_reference_; + + /// Set used to hold the parameter entity references that are active. + ACE_Unbounded_Stack<ACEXML_Char*> PE_reference_; + + /// Obstack used by the parser to hold all the strings parsed + ACE_Obstack_T<ACEXML_Char> obstack_; + + /// Alternative obstack used to hold any strings when the original is in use + ACE_Obstack_T<ACEXML_Char> alt_stack_; + + /// Namespace stack used by the parser to implement support for Namespaces + ACEXML_NamespaceSupport xml_namespace_; + + /// T => We are processing a nested namespace + int nested_namespace_; + + /// Set of internal parsed general entities in the document + ACEXML_Entity_Manager internal_GE_; + + /// Set of external parsed general entities in the document + ACEXML_Entity_Manager external_GE_; + + /// Set of unparsed entities in the document + ACEXML_Entity_Manager unparsed_entities_; + + /// Set of predefined entities used by the parser + ACEXML_Entity_Manager predef_entities_; + + /// Set of internal parsed parameter entities in the document + ACEXML_Entity_Manager internal_PE_; + + /// Set of external parsed parameter entities in the document + ACEXML_Entity_Manager external_PE_; + + /// Set of notations declared in the document + ACEXML_Entity_Manager notations_; + + /// State of the parser when it encounters a reference. + ACEXML_ParserInt::ReferenceState ref_state_; + + /// T => We are parsing an external subset + int external_subset_; + + /// T => We are parsing an external entity value + int external_entity_; + + /// T => Internal DTD has parameter entity references + int has_pe_refs_; + + /// If set, the document is a standalone XML document + int standalone_; + + /// If set, the document has an external DTD subset + int external_dtd_; + + /// If set, the document has an internal DTD + int internal_dtd_; + + /// Feature flags + /// If set, the parser should parse a document without a prolog + int simple_parsing_; + + /// If set, the parser should also validate + int validate_; + + /// If set, the parser should allow access by namespace qualified names. + int namespaces_; + + /// If set, the parser should include namespace declarations in the list + /// of attributes of an element. + int namespace_prefixes_; + +}; + +#if defined (__ACEXML_INLINE__) +# include "ACEXML/parser/parser/Parser.inl" +#endif /* __ACEXML_INLINE__ */ + +#include /**/ "ace/post.h" + +#endif /* _ACEXML_BASIC_PARSER_H_ */ |