/usr/include/xercesc/parsers/SAXParser.hpp is in libxerces-c2-dev 2.8.0+deb1-2build3.
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: SAXParser.hpp 568078 2007-08-21 11:43:25Z amassari $
*/
#if !defined(SAXPARSER_HPP)
#define SAXPARSER_HPP
#include <xercesc/sax/Parser.hpp>
#include <xercesc/internal/VecAttrListImpl.hpp>
#include <xercesc/framework/XMLDocumentHandler.hpp>
#include <xercesc/framework/XMLElementDecl.hpp>
#include <xercesc/framework/XMLEntityHandler.hpp>
#include <xercesc/framework/XMLErrorReporter.hpp>
#include <xercesc/framework/XMLBuffer.hpp>
#include <xercesc/util/SecurityManager.hpp>
#include <xercesc/validators/DTD/DocTypeHandler.hpp>
XERCES_CPP_NAMESPACE_BEGIN
class DocumentHandler;
class EntityResolver;
class XMLPScanToken;
class XMLScanner;
class XMLValidator;
class Grammar;
class GrammarResolver;
class XMLGrammarPool;
class XMLEntityResolver;
class XMLResourceIdentifier;
class PSVIHandler;
/**
* This class implements the SAX 'Parser' interface and should be
* used by applications wishing to parse the XML files using SAX.
* It allows the client program to install SAX handlers for event
* callbacks.
*
* <p>It can be used to instantiate a validating or non-validating
* parser, by setting a member flag.</p>
*
* @deprecated This interface has been replaced by the SAX2
* interface, which includes Namespace support.
* See SAX2XMLReader for more information.
*/
class PARSERS_EXPORT SAXParser :
public XMemory
, public Parser
, public XMLDocumentHandler
, public XMLErrorReporter
, public XMLEntityHandler
, public DocTypeHandler
{
public :
// -----------------------------------------------------------------------
// Class types
// -----------------------------------------------------------------------
/** ValScheme enum used in setValidationScheme
* Val_Never: Do not report validation errors.
* Val_Always: The parser will always report validation errors.
* Val_Auto: The parser will report validation errors only if a grammar is specified.
*
* @see #setValidationScheme
*/
enum ValSchemes
{
Val_Never
, Val_Always
, Val_Auto
};
// -----------------------------------------------------------------------
// Constructors and Destructor
// -----------------------------------------------------------------------
/** @name Constructors and Destructor */
//@{
/** Constructor with an instance of validator class to use for
* validation.
* @param valToAdopt Pointer to the validator instance to use. The
* parser is responsible for freeing the memory.
* @param manager Pointer to the memory manager to be used to
* allocate objects.
* @param gramPool The collection of cached grammers.
*/
SAXParser
(
XMLValidator* const valToAdopt = 0
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
, XMLGrammarPool* const gramPool = 0
);
/**
* Destructor
*/
~SAXParser();
//@}
// -----------------------------------------------------------------------
// Getter Methods
// -----------------------------------------------------------------------
/** @name Getter methods */
//@{
/**
* This method returns the installed document handler. Suitable
* for 'lvalue' usages.
*
* @return The pointer to the installed document handler object.
*/
DocumentHandler* getDocumentHandler();
/**
* This method returns the installed document handler. Suitable
* only for 'rvalue' usages.
*
* @return A const pointer to the installed document handler object.
*/
const DocumentHandler* getDocumentHandler() const;
/**
* This method returns the installed entity resolver. Suitable
* for 'lvalue' usages.
*
* @return The pointer to the installed entity resolver object.
*/
EntityResolver* getEntityResolver();
/**
* This method returns the installed entity resolver. Suitable
* for 'rvalue' usages.
*
* @return A const pointer to the installed entity resolver object.
*/
const EntityResolver* getEntityResolver() const;
/**
* This method returns the installed entity resolver. Suitable
* for 'lvalue' usages.
*
* @return The pointer to the installed entity resolver object.
*/
XMLEntityResolver* getXMLEntityResolver();
/**
* This method returns the installed entity resolver. Suitable
* for 'rvalue' usages.
*
* @return A const pointer to the installed entity resolver object.
*/
const XMLEntityResolver* getXMLEntityResolver() const;
/**
* This method returns the installed error handler. Suitable
* for 'lvalue' usages.
*
* @return The pointer to the installed error handler object.
*/
ErrorHandler* getErrorHandler();
/**
* This method returns the installed error handler. Suitable
* for 'rvalue' usages.
*
* @return A const pointer to the installed error handler object.
*/
const ErrorHandler* getErrorHandler() const;
/**
* This method returns the installed PSVI handler. Suitable
* for 'lvalue' usages.
*
* @return The pointer to the installed PSVI handler object.
*/
PSVIHandler* getPSVIHandler();
/**
* This method returns the installed PSVI handler. Suitable
* for 'rvalue' usages.
*
* @return A const pointer to the installed PSVI handler object.
*/
const PSVIHandler* getPSVIHandler() const;
/**
* This method returns a reference to the parser's installed
* validator.
*
* @return A const reference to the installed validator object.
*/
const XMLValidator& getValidator() const;
/**
* This method returns an enumerated value that indicates the current
* validation scheme set on this parser.
*
* @return The ValSchemes value current set on this parser.
* @see #setValidationScheme
*/
ValSchemes getValidationScheme() const;
/** Get the 'do schema' flag
*
* This method returns the state of the parser's schema processing
* flag.
*
* @return true, if the parser is currently configured to
* understand schema, false otherwise.
*
* @see #setDoSchema
*/
bool getDoSchema() const;
/** Get the 'full schema constraint checking' flag
*
* This method returns the state of the parser's full schema constraint
* checking flag.
*
* @return true, if the parser is currently configured to
* have full schema constraint checking, false otherwise.
*
* @see #setValidationSchemaFullChecking
*/
bool getValidationSchemaFullChecking() const;
/** Get the 'identity constraint checking' flag
*
* This method returns the state of the parser's identity constraint
* checking flag.
*
* @return true, if the parser is currently configured to
* have identity constraint checking, false otherwise.
*
* @see #setIdentityConstraintChecking
*/
bool getIdentityConstraintChecking() const;
/** Get error count from the last parse operation.
*
* This method returns the error count from the last parse
* operation. Note that this count is actually stored in the
* scanner, so this method simply returns what the
* scanner reports.
*
* @return number of errors encountered during the latest
* parse operation.
*/
int getErrorCount() const;
/**
* This method returns the state of the parser's namespace
* handling capability.
*
* @return true, if the parser is currently configured to
* understand namespaces, false otherwise.
*
* @see #setDoNamespaces
*/
bool getDoNamespaces() const;
/**
* This method returns the state of the parser's
* exit-on-First-Fatal-Error flag.
*
* @return true, if the parser is currently configured to
* exit on the first fatal error, false otherwise.
*
* @see #setExitOnFirstFatalError
*/
bool getExitOnFirstFatalError() const;
/**
* This method returns the state of the parser's
* validation-constraint-fatal flag.
*
* @return true, if the parser is currently configured to
* set validation constraint errors as fatal, false
* otherwise.
*
* @see #setValidationContraintFatal
*/
bool getValidationConstraintFatal() const;
/** Get the set of Namespace/SchemaLocation that is specified externaly.
*
* This method returns the list of Namespace/SchemaLocation that was
* specified using setExternalSchemaLocation.
*
* The parser owns the returned string, and the memory allocated for
* the returned string will be destroyed when the parser is deleted.
*
* To ensure assessiblity of the returned information after the parser
* is deleted, callers need to copy and store the returned information
* somewhere else.
*
* @return a pointer to the list of Namespace/SchemaLocation that was
* specified externally. The pointer spans the same life-time as
* the parser. A null pointer is returned if nothing
* was specified externally.
*
* @see #setExternalSchemaLocation(const XMLCh* const)
*/
XMLCh* getExternalSchemaLocation() const;
/** Get the noNamespace SchemaLocation that is specified externaly.
*
* This method returns the no target namespace XML Schema Location
* that was specified using setExternalNoNamespaceSchemaLocation.
*
* The parser owns the returned string, and the memory allocated for
* the returned string will be destroyed when the parser is deleted.
*
* To ensure assessiblity of the returned information after the parser
* is deleted, callers need to copy and store the returned information
* somewhere else.
*
* @return a pointer to the no target namespace Schema Location that was
* specified externally. The pointer spans the same life-time as
* the parser. A null pointer is returned if nothing
* was specified externally.
*
* @see #setExternalNoNamespaceSchemaLocation(const XMLCh* const)
*/
XMLCh* getExternalNoNamespaceSchemaLocation() const;
/** Get the SecurityManager instance attached to this parser.
*
* This method returns the security manager
* that was specified using setSecurityManager.
*
* The SecurityManager instance must have been specified by the application;
* this should not be deleted until after the parser has been deleted (or
* a new SecurityManager instance has been supplied to the parser).
*
* @return a pointer to the SecurityManager instance
* specified externally. A null pointer is returned if nothing
* was specified externally.
*
* @see #setSecurityManager(const SecurityManager* const)
*/
SecurityManager* getSecurityManager() const;
/** Get the 'Loading External DTD' flag
*
* This method returns the state of the parser's loading external DTD
* flag.
*
* @return false, if the parser is currently configured to
* ignore external DTD completely, true otherwise.
*
* @see #setLoadExternalDTD
* @see #getValidationScheme
*/
bool getLoadExternalDTD() const;
/** Get the 'Grammar caching' flag
*
* This method returns the state of the parser's grammar caching when
* parsing an XML document.
*
* @return true, if the parser is currently configured to
* cache grammars, false otherwise.
*
* @see #cacheGrammarFromParse
*/
bool isCachingGrammarFromParse() const;
/** Get the 'Use cached grammar' flag
*
* This method returns the state of the parser's use of cached grammar
* when parsing an XML document.
*
* @return true, if the parser is currently configured to
* use cached grammars, false otherwise.
*
* @see #useCachedGrammarInParse
*/
bool isUsingCachedGrammarInParse() const;
/**
* Get the 'calculate src offset flag'
*
* This method returns the state of the parser's src offset calculation
* when parsing an XML document.
*
* @return true, if the parser is currently configured to
* calculate src offsets, false otherwise.
*
* @see #setCalculateSrcOfs
*/
bool getCalculateSrcOfs() const;
/**
* Get the 'force standard uri flag'
*
* This method returns the state if the parser forces standard uri
*
* @return true, if the parser is currently configured to
* force standard uri, i.e. malformed uri will be rejected.
*
* @see #setStandardUriConformant
*/
bool getStandardUriConformant() const;
/**
* Retrieve the grammar that is associated with the specified namespace key
*
* @param nameSpaceKey Namespace key
* @return Grammar associated with the Namespace key.
*/
Grammar* getGrammar(const XMLCh* const nameSpaceKey);
/**
* Retrieve the grammar where the root element is declared.
*
* @return Grammar where root element declared
*/
Grammar* getRootGrammar();
/**
* Returns the string corresponding to a URI id from the URI string pool.
*
* @param uriId id of the string in the URI string pool.
* @return URI string corresponding to the URI id.
*/
const XMLCh* getURIText(unsigned int uriId) const;
/**
* Returns the current src offset within the input source.
* To be used only while parsing is in progress.
*
* @return offset within the input source
*/
unsigned int getSrcOffset() const;
/** Get the 'generate synthetic annotations' flag
*
* @return true, if the parser is currently configured to
* generate synthetic annotations, false otherwise.
* A synthetic XSAnnotation is created when a schema
* component has non-schema attributes but has no
* child annotations so that the non-schema attributes
* can be recovered under PSVI.
*
* @see #setGenerateSyntheticAnnotations
*/
bool getGenerateSyntheticAnnotations() const;
/** Get the 'validate annotations' flag
*
* @return true, if the parser is currently configured to
* validate annotations, false otherwise.
*
* @see #setValidateAnnotations
*/
bool getValidateAnnotations() const;
/** Get the 'ignore cached DTD grammar' flag
*
* @return true, if the parser is currently configured to
* ignore cached DTD, false otherwise.
*
* @see #setIgnoreCachedDTD
*/
bool getIgnoreCachedDTD() const;
/** Get the 'ignore annotations' flag
*
* @return true, if the parser is currently configured to
* ignore annotations, false otherwise.
*
* @see #setIgnoreAnnotations
*/
bool getIgnoreAnnotations() const;
/** Get the 'disable default entity resolution' flag
*
* @return true, if the parser is currently configured to
* not perform default entity resolution, false otherwise.
*
* @see #setDisableDefaultEntityResolution
*/
bool getDisableDefaultEntityResolution() const;
/** Get the 'skip DTD validation' flag
*
* @return true, if the parser is currently configured to
* skip DTD validation, false otherwise.
*
* @see #setSkipDTDValidation
*/
bool getSkipDTDValidation() const;
//@}
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
/** @name Setter methods */
//@{
/** set the 'generate synthetic annotations' flag
*
* @param newValue The value for specifying whether Synthetic Annotations
* should be generated or not.
* A synthetic XSAnnotation is created when a schema
* component has non-schema attributes but has no
* child annotations.
*
* @see #getGenerateSyntheticAnnotations
*/
void setGenerateSyntheticAnnotations(const bool newValue);
/** set the 'validate annotations' flag
*
* @param newValue The value for specifying whether annotations
* should be validate or not.
*
* @see #getValidateAnnotations
*/
void setValidateAnnotations(const bool newValue);
/**
* This method allows users to enable or disable the parser's
* namespace processing. When set to true, parser starts enforcing
* all the constraints / rules specified by the NameSpace
* specification.
*
* <p>The parser's default state is: false.</p>
*
* @param newState The value specifying whether NameSpace rules should
* be enforced or not.
*
* @see #getDoNamespaces
*/
void setDoNamespaces(const bool newState);
/**
* This method allows users to set the validation scheme to be used
* by this parser. The value is one of the ValSchemes enumerated values
* defined by this class:
*
* <br> Val_Never - turn off validation
* <br> Val_Always - turn on validation
* <br> Val_Auto - turn on validation if any internal/external
* DTD subset have been seen
*
* <p>The parser's default state is: Val_Never.</p>
*
* @param newScheme The new validation scheme to use.
*
* @see #getValidationScheme
*/
void setValidationScheme(const ValSchemes newScheme);
/** Set the 'schema support' flag
*
* This method allows users to enable or disable the parser's
* schema processing. When set to false, parser will not process
* any schema found.
*
* The parser's default state is: false.
*
* Note: If set to true, namespace processing must also be turned on.
*
* @param newState The value specifying whether schema support should
* be enforced or not.
*
* @see #getDoSchema
*/
void setDoSchema(const bool newState);
/**
* This method allows the user to turn full Schema constraint checking on/off.
* Only takes effect if Schema validation is enabled.
* If turned off, partial constraint checking is done.
*
* Full schema constraint checking includes those checking that may
* be time-consuming or memory intensive. Currently, particle unique
* attribution constraint checking and particle derivation resriction checking
* are controlled by this option.
*
* The parser's default state is: false.
*
* @param schemaFullChecking True to turn on full schema constraint checking.
*
* @see #getValidationSchemaFullChecking
*/
void setValidationSchemaFullChecking(const bool schemaFullChecking);
/**
* This method allows the user to turn identity constraint checking on/off.
* Only takes effect if Schema validation is enabled.
* If turned off, identity constraint checking is not done.
*
* The parser's default state is: true.
*
* @param identityConstraintChecking True to turn on identity constraint checking.
*
* @see #getIdentityConstraintChecking
*/
void setIdentityConstraintChecking(const bool identityConstraintChecking);
/**
* This method allows users to set the parser's behaviour when it
* encounters the first fatal error. If set to true, the parser
* will exit at the first fatal error. If false, then it will
* report the error and continue processing.
*
* <p>The default value is 'true' and the parser exits on the
* first fatal error.</p>
*
* @param newState The value specifying whether the parser should
* continue or exit when it encounters the first
* fatal error.
*
* @see #getExitOnFirstFatalError
*/
void setExitOnFirstFatalError(const bool newState);
/**
* This method allows users to set the parser's behaviour when it
* encounters a validtion constraint error. If set to true, and the
* the parser will treat validation error as fatal and will exit depends on the
* state of "getExitOnFirstFatalError". If false, then it will
* report the error and continue processing.
*
* Note: setting this true does not mean the validation error will be printed with
* the word "Fatal Error". It is still printed as "Error", but the parser
* will exit if "setExitOnFirstFatalError" is set to true.
*
* <p>The default value is 'false'.</p>
*
* @param newState If true, the parser will exit if "setExitOnFirstFatalError"
* is set to true.
*
* @see #getValidationConstraintFatal
* @see #setExitOnFirstFatalError
*/
void setValidationConstraintFatal(const bool newState);
/**
* This method allows the user to specify a list of schemas to use.
* If the targetNamespace of a schema specified using this method matches
* the targetNamespace of a schema occuring in the instance document in
* the schemaLocation attribute, or if the targetNamespace matches the
* namespace attribute of the "import" element, the schema specified by the
* user using this method will be used (i.e., the schemaLocation attribute
* in the instance document or on the "import" element will be effectively ignored).
*
* If this method is called more than once, only the last one takes effect.
*
* The syntax is the same as for schemaLocation attributes in instance
* documents: e.g, "http://www.example.com file_name.xsd". The user can
* specify more than one XML Schema in the list.
*
* @param schemaLocation the list of schemas to use
*
* @see #getExternalSchemaLocation
*/
void setExternalSchemaLocation(const XMLCh* const schemaLocation);
/**
* This method is same as setExternalSchemaLocation(const XMLCh* const).
* It takes native char string as parameter
*
* @param schemaLocation the list of schemas to use
*
* @see #setExternalSchemaLocation(const XMLCh* const)
*/
void setExternalSchemaLocation(const char* const schemaLocation);
/**
* This method allows the user to specify the no target namespace XML
* Schema Location externally. If specified, the instance document's
* noNamespaceSchemaLocation attribute will be effectively ignored.
*
* If this method is called more than once, only the last one takes effect.
*
* The syntax is the same as for the noNamespaceSchemaLocation attribute
* that may occur in an instance document: e.g."file_name.xsd".
*
* @param noNamespaceSchemaLocation the XML Schema Location with no target namespace
*
* @see #getExternalNoNamespaceSchemaLocation
*/
void setExternalNoNamespaceSchemaLocation(const XMLCh* const noNamespaceSchemaLocation);
/**
* This method is same as setExternalNoNamespaceSchemaLocation(const XMLCh* const).
* It takes native char string as parameter
*
* @param noNamespaceSchemaLocation the XML Schema Location with no target namespace
*
* @see #setExternalNoNamespaceSchemaLocation(const XMLCh* const)
*/
void setExternalNoNamespaceSchemaLocation(const char* const noNamespaceSchemaLocation);
/**
* This allows an application to set a SecurityManager on
* the parser; this object stores information that various
* components use to limit their consumption of system
* resources while processing documents.
*
* If this method is called more than once, only the last one takes effect.
* It may not be reset during a parse.
*
*
* @param securityManager the SecurityManager instance to
* be used by this parser
*
* @see #getSecurityManager
*/
void setSecurityManager(SecurityManager* const securityManager);
/** Set the 'Loading External DTD' flag
*
* This method allows users to enable or disable the loading of external DTD.
* When set to false, the parser will ignore any external DTD completely
* if the validationScheme is set to Val_Never.
*
* The parser's default state is: true.
*
* This flag is ignored if the validationScheme is set to Val_Always or Val_Auto.
*
* @param newState The value specifying whether external DTD should
* be loaded or not.
*
* @see #getLoadExternalDTD
* @see #setValidationScheme
*/
void setLoadExternalDTD(const bool newState);
/** Set the 'Grammar caching' flag
*
* This method allows users to enable or disable caching of grammar when
* parsing XML documents. When set to true, the parser will cache the
* resulting grammar for use in subsequent parses.
*
* If the flag is set to true, the 'Use cached grammar' flag will also be
* set to true.
*
* The parser's default state is: false.
*
* @param newState The value specifying whether we should cache grammars
* or not.
*
* @see #isCachingGrammarFromParse
* @see #useCachedGrammarInParse
*/
void cacheGrammarFromParse(const bool newState);
/** Set the 'Use cached grammar' flag
*
* This method allows users to enable or disable the use of cached
* grammars. When set to true, the parser will use the cached grammar,
* instead of building the grammar from scratch, to validate XML
* documents.
*
* If the 'Grammar caching' flag is set to true, this method ignores the
* value passed in.
*
* The parser's default state is: false.
*
* @param newState The value specifying whether we should use the cached
* grammar or not.
*
* @see #isUsingCachedGrammarInParse
* @see #cacheGrammarFromParse
*/
void useCachedGrammarInParse(const bool newState);
/** Enable/disable src offset calculation
*
* This method allows users to enable/disable src offset calculation.
* Disabling the calculation will improve performance.
*
* The parser's default state is: false.
*
* @param newState The value specifying whether we should enable or
* disable src offset calculation
*
* @see #getCalculateSrcOfs
*/
void setCalculateSrcOfs(const bool newState);
/** Force standard uri
*
* This method allows users to tell the parser to force standard uri conformance.
*
* The parser's default state is: false.
*
* @param newState The value specifying whether the parser should reject malformed URI.
*
* @see #getStandardUriConformant
*/
void setStandardUriConformant(const bool newState);
/** Set the scanner to use when scanning the XML document
*
* This method allows users to set the scanner to use
* when scanning a given XML document.
*
* @param scannerName The name of the desired scanner
*/
void useScanner(const XMLCh* const scannerName);
/** Set maximum input buffer size
*
* This method allows users to limit the size of buffers used in parsing
* XML character data. The effect of setting this size is to limit the
* size of a ContentHandler::characters() call.
*
* The parser's default input buffer size is 1 megabyte.
*
* @param bufferSize The maximum input buffer size
*/
void setInputBufferSize(const size_t bufferSize);
/** Set the 'ignore cached DTD grammar' flag
*
* This method gives users the option to ignore a cached DTD grammar, when
* an XML document contains both an internal and external DTD, and the use
* cached grammar from parse option is enabled. Currently, we do not allow
* using cached DTD grammar when an internal subset is present in the
* document. This option will only affect the behavior of the parser when
* an internal and external DTD both exist in a document (i.e. no effect
* if document has no internal subset).
*
* The parser's default state is false
*
* @param newValue The state to set
*/
void setIgnoreCachedDTD(const bool newValue);
/** Set the 'ignore annotation' flag
*
* This method gives users the option to not generate XSAnnotations
* when "traversing" a schema.
*
* The parser's default state is false
*
* @param newValue The state to set
*/
void setIgnoreAnnotations(const bool newValue);
/** Set the 'disable default entity resolution' flag
*
* This method gives users the option to not perform default entity
* resolution. If the user's resolveEntity method returns NULL the
* parser will try to resolve the entity on its own. When this option
* is set to true, the parser will not attempt to resolve the entity
* when the resolveEntity method returns NULL.
*
* The parser's default state is false
*
* @param newValue The state to set
*
* @see #entityResolver
*/
void setDisableDefaultEntityResolution(const bool newValue);
/** Set the 'skip DTD validation' flag
*
* This method gives users the option to skip DTD validation only when
* schema validation is on (i.e. when performing validation, we will
* ignore the DTD, except for entities, when schema validation is enabled).
*
* NOTE: This option is ignored if schema validation is disabled.
*
* The parser's default state is false
*
* @param newValue The state to set
*/
void setSkipDTDValidation(const bool newValue);
//@}
// -----------------------------------------------------------------------
// Advanced document handler list maintenance methods
// -----------------------------------------------------------------------
/** @name Advanced document handler list maintenance methods */
//@{
/**
* This method installs the specified 'advanced' document callback
* handler, thereby allowing the user to customize the processing,
* if they choose to do so. Any number of advanced callback handlers
* maybe installed.
*
* <p>The methods in the advanced callback interface represent
* Xerces-C extensions. There is no specification for this interface.</p>
*
* @param toInstall A pointer to the users advanced callback handler.
*
* @see #removeAdvDocHandler
*/
void installAdvDocHandler(XMLDocumentHandler* const toInstall);
/**
* This method removes the 'advanced' document handler callback from
* the underlying parser scanner. If no handler is installed, advanced
* callbacks are not invoked by the scanner.
* @param toRemove A pointer to the advanced callback handler which
* should be removed.
*
* @see #installAdvDocHandler
*/
bool removeAdvDocHandler(XMLDocumentHandler* const toRemove);
//@}
// -----------------------------------------------------------------------
// Progressive scan methods
// -----------------------------------------------------------------------
/** @name Progressive scan methods */
//@{
/** Begin a progressive parse operation
*
* This method is used to start a progressive parse on a XML file.
* To continue parsing, subsequent calls must be to the parseNext
* method.
*
* It scans through the prolog and returns a token to be used on
* subsequent scanNext() calls. If the return value is true, then the
* token is legal and ready for further use. If it returns false, then
* the scan of the prolog failed and the token is not going to work on
* subsequent scanNext() calls.
*
* @param systemId A pointer to a Unicode string represting the path
* to the XML file to be parsed.
* @param toFill A token maintaing state information to maintain
* internal consistency between invocation of 'parseNext'
* calls.
*
* @return 'true', if successful in parsing the prolog. It indicates the
* user can go ahead with parsing the rest of the file. It
* returns 'false' to indicate that the parser could parse the
* prolog (which means the token will not be valid.)
*
* @see #parseNext
* @see #parseFirst(char*,...)
* @see #parseFirst(InputSource&,...)
*/
bool parseFirst
(
const XMLCh* const systemId
, XMLPScanToken& toFill
);
/** Begin a progressive parse operation
*
* This method is used to start a progressive parse on a XML file.
* To continue parsing, subsequent calls must be to the parseNext
* method.
*
* It scans through the prolog and returns a token to be used on
* subsequent scanNext() calls. If the return value is true, then the
* token is legal and ready for further use. If it returns false, then
* the scan of the prolog failed and the token is not going to work on
* subsequent scanNext() calls.
*
* @param systemId A pointer to a regular native string represting
* the path to the XML file to be parsed.
* @param toFill A token maintaing state information to maintain
* internal consIstency between invocation of 'parseNext'
* calls.
*
* @return 'true', if successful in parsing the prolog. It indicates the
* user can go ahead with parsing the rest of the file. It
* returns 'false' to indicate that the parser could not parse
* the prolog.
*
* @see #parseNext
* @see #parseFirst(XMLCh*,...)
* @see #parseFirst(InputSource&,...)
*/
bool parseFirst
(
const char* const systemId
, XMLPScanToken& toFill
);
/** Begin a progressive parse operation
*
* This method is used to start a progressive parse on a XML file.
* To continue parsing, subsequent calls must be to the parseNext
* method.
*
* It scans through the prolog and returns a token to be used on
* subsequent scanNext() calls. If the return value is true, then the
* token is legal and ready for further use. If it returns false, then
* the scan of the prolog failed and the token is not going to work on
* subsequent scanNext() calls.
*
* @param source A const reference to the InputSource object which
* points to the XML file to be parsed.
* @param toFill A token maintaing state information to maintain
* internal consistency between invocation of 'parseNext'
* calls.
*
* @return 'true', if successful in parsing the prolog. It indicates the
* user can go ahead with parsing the rest of the file. It
* returns 'false' to indicate that the parser could not parse
* the prolog.
*
* @see #parseNext
* @see #parseFirst(XMLCh*,...)
* @see #parseFirst(char*,...)
*/
bool parseFirst
(
const InputSource& source
, XMLPScanToken& toFill
);
/** Continue a progressive parse operation
*
* This method is used to continue with progressive parsing of
* XML files started by a call to 'parseFirst' method.
*
* It parses the XML file and stops as soon as it comes across
* a XML token (as defined in the XML specification). Relevant
* callback handlers are invoked as required by the SAX
* specification.
*
* @param token A token maintaing state information to maintain
* internal consistency between invocation of 'parseNext'
* calls.
*
* @return 'true', if successful in parsing the next XML token.
* It indicates the user can go ahead with parsing the rest
* of the file. It returns 'false' to indicate that the parser
* could not find next token as per the XML specification
* production rule.
*
* @see #parseFirst(XMLCh*,...)
* @see #parseFirst(char*,...)
* @see #parseFirst(InputSource&,...)
*/
bool parseNext(XMLPScanToken& token);
/** Reset the parser after a progressive parse
*
* If a progressive parse loop exits before the end of the document
* is reached, the parser has no way of knowing this. So it will leave
* open any files or sockets or memory buffers that were in use at
* the time that the parse loop exited.
*
* The next parse operation will cause these open files and such to
* be closed, but the next parse operation might occur at some unknown
* future point. To avoid this problem, you should reset the parser if
* you exit the loop early.
*
* If you exited because of an error, then this cleanup will be done
* for you. Its only when you exit the file prematurely of your own
* accord, because you've found what you wanted in the file most
* likely.
*
* @param token A token maintaing state information to maintain
* internal consistency between invocation of 'parseNext'
* calls.
*/
void parseReset(XMLPScanToken& token);
//@}
// -----------------------------------------------------------------------
// Grammar preparsing interface
// -----------------------------------------------------------------------
/** @name Implementation of Grammar preparsing interface's. */
//@{
/**
* Preparse schema grammar (XML Schema, DTD, etc.) via an input source
* object.
*
* This method invokes the preparsing process on a schema grammar XML
* file specified by the SAX InputSource parameter. If the 'toCache' flag
* is enabled, the parser will cache the grammars for re-use. If a grammar
* key is found in the pool, no caching of any grammar will take place.
*
* <p><b>"Experimental - subject to change"</b></p>
*
* @param source A const reference to the SAX InputSource object which
* points to the schema grammar file to be preparsed.
* @param grammarType The grammar type (Schema or DTD).
* @param toCache If <code>true</code>, we cache the preparsed grammar,
* otherwise, no chaching. Default is <code>false</code>.
* @return The preparsed schema grammar object (SchemaGrammar or
* DTDGrammar). That grammar object is owned by the parser.
*
* @exception SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception XMLException An exception from the parser or client
* handler code.
* @exception DOMException A DOM exception as per DOM spec.
*
* @see InputSource#InputSource
*/
Grammar* loadGrammar(const InputSource& source,
const short grammarType,
const bool toCache = false);
/**
* Preparse schema grammar (XML Schema, DTD, etc.) via a file path or URL
*
* This method invokes the preparsing process on a schema grammar XML
* file specified by the file path parameter. If the 'toCache' flag
* is enabled, the parser will cache the grammars for re-use. If a grammar
* key is found in the pool, no caching of any grammar will take place.
*
* <p><b>"Experimental - subject to change"</b></p>
*
* @param systemId A const XMLCh pointer to the Unicode string which
* contains the path to the XML grammar file to be
* preparsed.
* @param grammarType The grammar type (Schema or DTD).
* @param toCache If <code>true</code>, we cache the preparsed grammar,
* otherwise, no chaching. Default is <code>false</code>.
* @return The preparsed schema grammar object (SchemaGrammar or
* DTDGrammar). That grammar object is owned by the parser.
*
* @exception SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception XMLException An exception from the parser or client
* handler code.
* @exception DOMException A DOM exception as per DOM spec.
*/
Grammar* loadGrammar(const XMLCh* const systemId,
const short grammarType,
const bool toCache = false);
/**
* Preparse schema grammar (XML Schema, DTD, etc.) via a file path or URL
*
* This method invokes the preparsing process on a schema grammar XML
* file specified by the file path parameter. If the 'toCache' flag
* is enabled, the parser will cache the grammars for re-use. If a grammar
* key is found in the pool, no caching of any grammar will take place.
*
* <p><b>"Experimental - subject to change"</b></p>
*
* @param systemId A const char pointer to a native string which contains
* the path to the XML grammar file to be preparsed.
* @param grammarType The grammar type (Schema or DTD).
* @param toCache If <code>true</code>, we cache the preparsed grammar,
* otherwise, no chaching. Default is <code>false</code>.
* @return The preparsed schema grammar object (SchemaGrammar or
* DTDGrammar). That grammar object is owned by the parser.
*
* @exception SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception XMLException An exception from the parser or client
* handler code.
* @exception DOMException A DOM exception as per DOM spec.
*/
Grammar* loadGrammar(const char* const systemId,
const short grammarType,
const bool toCache = false);
/**
* This method allows the user to reset the pool of cached grammars.
*/
void resetCachedGrammarPool();
//@}
// -----------------------------------------------------------------------
// Implementation of the SAX Parser interface
// -----------------------------------------------------------------------
/** @name Implementation of SAX 1.0 Parser interface's. */
//@{
/**
* This method invokes the parsing process on the XML file specified
* by the InputSource parameter.
*
* @param source A const reference to the InputSource object which
* points to the XML file to be parsed.
*
* @see Parser#parse(InputSource)
*/
virtual void parse(const InputSource& source);
/**
* This method invokes the parsing process on the XML file specified by
* the Unicode string parameter 'systemId'.
*
* @param systemId A const XMLCh pointer to the Unicode string which
* contains the path to the XML file to be parsed.
*
* @see Parser#parse(XMLCh*)
*/
virtual void parse(const XMLCh* const systemId);
/**
* This method invokes the parsing process on the XML file specified by
* the native char* string parameter 'systemId'.
*
* @param systemId A const char pointer to a native string which
* contains the path to the XML file to be parsed.
*/
virtual void parse(const char* const systemId);
/**
* This method installs the user specified SAX Document Handler
* callback function on parser.
*
* @param handler A pointer to the document handler to be called
* when the parser comes across 'document' events
* as per the SAX specification.
*
* @see Parser#parse(char*)
*/
virtual void setDocumentHandler(DocumentHandler* const handler);
/**
* This method installs the user specified DTD handler on the parser.
*
* @param handler A pointer to the DTD handler to be called
* when the parser comes across 'DTD' events
* as per the SAX specification.
*
* @see Parser#setDTDHandler
*/
virtual void setDTDHandler(DTDHandler* const handler);
/**
* This method installs the user specified error handler on
* the parser.
*
* @param handler A pointer to the error handler to be called
* when the parser comes across 'error' events
* as per the SAX specification.
*
* @see Parser#setErrorHandler
*/
virtual void setErrorHandler(ErrorHandler* const handler);
/**
* This method installs the user specified PSVI handler on
* the parser.
*
* @param handler A pointer to the PSVI handler to be called
* when the parser comes across 'PSVI' events
* as per the schema specification.
*
* @see Parser#setPSVIHandler
*/
virtual void setPSVIHandler(PSVIHandler* const handler);
/**
* This method installs the user specified entity resolver on the
* parser. It allows applications to trap and redirect calls to
* external entities.
*
* <i>Any previously set entity resolver is merely dropped, since the parser
* does not own them. If both setEntityResolver and setXMLEntityResolver
* are called, then the last one is used.</i>
*
* @param resolver A pointer to the entity resolver to be called
* when the parser comes across references to
* entities in the XML file.
*
* @see Parser#setEntityResolver
*/
virtual void setEntityResolver(EntityResolver* const resolver);
/**
* This method installs the user specified entity resolver on the
* parser. It allows applications to trap and redirect calls to
* external entities.
*
* <i>Any previously set entity resolver is merely dropped, since the parser
* does not own them. If both setEntityResolver and setXMLEntityResolver
* are called, then the last one is used.</i>
*
* @param resolver A pointer to the entity resolver to be called
* when the parser comes across references to
* entities in the XML file.
*
* @see Parser#setXMLEntityResolver
*/
virtual void setXMLEntityResolver(XMLEntityResolver* const resolver);
//@}
// -----------------------------------------------------------------------
// Implementation of the XMLDocumentHandler interface
// -----------------------------------------------------------------------
/** @name Implementation of the XMLDocumentHandler Interface. */
//@{
/**
* This method is used to report all the characters scanned
* by the parser. The driver will invoke the 'characters'
* method of the user installed SAX Document Handler.
*
* <p>If any advanced callback handlers are installed, the
* corresponding 'docCharacters' method will also be invoked.</p>
*
* @param chars A const pointer to a Unicode string representing the
* character data.
* @param length The length of the Unicode string returned in 'chars'.
* @param cdataSection A flag indicating if the characters represent
* content from the CDATA section.
* @see DocumentHandler#characters
*/
virtual void docCharacters
(
const XMLCh* const chars
, const unsigned int length
, const bool cdataSection
);
/**
* This method is used to report any comments scanned by the parser.
* This method is a no-op unless, unless an advanced callback handler
* is installed, in which case the corresponding 'docComment' method
* is invoked.
*
* @param comment A const pointer to a null terminated Unicode
* string representing the comment text.
*/
virtual void docComment
(
const XMLCh* const comment
);
/**
* This method is used to report any PI scanned by the parser.
*
* <p>Any PI's occurring before any 'content' are not reported
* to any SAX handler as per the specification. However, all
* PI's within content are reported via the SAX Document Handler's
* 'processingInstruction' method.
*
* <p>If any advanced callback handlers are installed, the
* corresponding 'docPI' method will be invoked.</p>
*
* @param target A const pointer to a Unicode string representing the
* target of the PI declaration.
* @param data A const pointer to a Unicode string representing the
* data of the PI declaration. See the PI production rule
* in the XML specification for details.
*
* @see DocumentHandler#processingInstruction
*/
virtual void docPI
(
const XMLCh* const target
, const XMLCh* const data
);
/**
* This method is used to indicate the end of root element
* was just scanned by the parser. Corresponding 'endDocument'
* method of the user installed SAX Document Handler will also
* be invoked.
*
* <p>In addition, if any advanced callback handlers are installed,
* the corresponding 'endDocument' method is invoked.</p>
*
* @see DocumentHandler#endDocument
*/
virtual void endDocument();
/**
* This method is used to indicate the end tag of an element.
* The driver will invoke the corresponding 'endElement' method of
* the SAX Document Handler interface.
*
* <p>If any advanced callback handlers are installed, the
* corresponding 'endElement' method is also invoked.</p>
*
* @param elemDecl A const reference to the object containing element
* declaration information.
* @param urlId An id referring to the namespace prefix, if
* namespaces setting is switched on.
* @param isRoot A flag indicating whether this element was the
* root element.
* @param elemPrefix A const pointer to a Unicode string containing
* the namespace prefix for this element. Applicable
* only when namespace processing is enabled.
* @see DocumentHandler#endElement
*/
virtual void endElement
(
const XMLElementDecl& elemDecl
, const unsigned int urlId
, const bool isRoot
, const XMLCh* const elemPrefix
);
/**
* This method is used to indicate that an end of an entity reference
* was just scanned.
*
* <p>If any advanced callback handlers are installed, the
* corresponding 'endEnityReference' method is invoked.</p>
*
* @param entDecl A const reference to the object containing the
* entity declaration information.
*/
virtual void endEntityReference
(
const XMLEntityDecl& entDecl
);
/**
* This method is used to report all the whitespace characters,
* which are determined to be 'ignorable'. This distinction
* between characters is only made, if validation is enabled.
* Corresponding 'ignorableWhitespace' method of the user installed
* SAX Document Handler interface is called.
*
* <p>Any whitespace before content is not reported to the SAX
* Document Handler method, as per the SAX specification.
* However, if any advanced callback handlers are installed, the
* corresponding 'ignorableWhitespace' method is invoked.</p>
*
* @param chars A const pointer to a Unicode string representing the
* ignorable whitespace character data.
* @param length The length of the Unicode string 'chars'.
* @param cdataSection A flag indicating if the characters represent
* content from the CDATA section.
* @see DocumentHandler#ignorableWhitespace
*/
virtual void ignorableWhitespace
(
const XMLCh* const chars
, const unsigned int length
, const bool cdataSection
);
/**
* This method allows the user installed Document Handler and
* any advanced callback handlers to 'reset' themselves.
*/
virtual void resetDocument();
/**
* This method is used to report the start of the parsing process.
* The corresponding user installed SAX Document Handler's method
* 'startDocument' is invoked.
*
* <p>If any advanced callback handlers are installed, then the
* corresponding 'startDocument' method is also called.</p>
*
* @see DocumentHandler#startDocument
*/
virtual void startDocument();
/**
* This method is used to report the start of an element. It is
* called at the end of the element, by which time all attributes
* specified are also parsed. The corresponding user installed
* SAX Document Handler's method 'startElement' is invoked.
*
* <p>If any advanced callback handlers are installed, then the
* corresponding 'startElement' method is also called.</p>
*
* @param elemDecl A const reference to the object containing element
* declaration information.
* @param urlId An id referring to the namespace prefix, if
* namespaces setting is switched on.
* @param elemPrefix A const pointer to a Unicode string containing
* the namespace prefix for this element. Applicable
* only when namespace processing is enabled.
* @param attrList A const reference to the object containing the
* list of attributes just scanned for this element.
* @param attrCount A count of number of attributes in the list
* specified by the parameter 'attrList'.
* @param isEmpty A flag indicating whether this is an empty element
* or not.
* @param isRoot A flag indicating whether this element was the
* root element.
* @see DocumentHandler#startElement
*/
virtual void startElement
(
const XMLElementDecl& elemDecl
, const unsigned int urlId
, const XMLCh* const elemPrefix
, const RefVectorOf<XMLAttr>& attrList
, const unsigned int attrCount
, const bool isEmpty
, const bool isRoot
);
/**
* This method is used to indicate the start of an entity reference.
*
* <p>If any advanced callback handlers are installed, the
* corresponding 'endEnityReference' method is invoked.</p>
*
* @param entDecl A const reference to the object containing the
* entity declaration information.
*/
virtual void startEntityReference
(
const XMLEntityDecl& entDecl
);
/**
* This method is used to report the XML decl scanned by the parser.
* Refer to the XML specification to see the meaning of parameters.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param versionStr A const pointer to a Unicode string representing
* version string value.
* @param encodingStr A const pointer to a Unicode string representing
* the encoding string value.
* @param standaloneStr A const pointer to a Unicode string
* representing the standalone string value.
* @param actualEncodingStr A const pointer to a Unicode string
* representing the actual encoding string
* value.
*/
virtual void XMLDecl
(
const XMLCh* const versionStr
, const XMLCh* const encodingStr
, const XMLCh* const standaloneStr
, const XMLCh* const actualEncodingStr
);
//@}
// -----------------------------------------------------------------------
// Implementation of the XMLErrorReporter interface
// -----------------------------------------------------------------------
/** @name Implementation of the XMLErrorReporter Interface. */
//@{
/**
* This method is used to report back errors found while parsing the
* XML file. The driver will call the corresponding user installed
* SAX Error Handler methods: 'fatal', 'error', 'warning' depending
* on the severity of the error. This classification is defined by
* the XML specification.
*
* @param errCode An integer code for the error.
* @param msgDomain A const pointer to an Unicode string representing
* the message domain to use.
* @param errType An enumeration classifying the severity of the error.
* @param errorText A const pointer to an Unicode string representing
* the text of the error message.
* @param systemId A const pointer to an Unicode string representing
* the system id of the XML file where this error
* was discovered.
* @param publicId A const pointer to an Unicode string representing
* the public id of the XML file where this error
* was discovered.
* @param lineNum The line number where the error occurred.
* @param colNum The column number where the error occurred.
* @see ErrorHandler
*/
virtual void error
(
const unsigned int errCode
, const XMLCh* const msgDomain
, const XMLErrorReporter::ErrTypes errType
, const XMLCh* const errorText
, const XMLCh* const systemId
, const XMLCh* const publicId
, const XMLSSize_t lineNum
, const XMLSSize_t colNum
);
/**
* This method allows the user installed Error Handler
* callback to 'reset' itself.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
*/
virtual void resetErrors();
//@}
// -----------------------------------------------------------------------
// Implementation of the XMLEntityHandler interface
// -----------------------------------------------------------------------
/** @name Implementation of the XMLEntityHandler Interface. */
//@{
/**
* This method is used to indicate the end of parsing of an external
* entity file.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param inputSource A const reference to the InputSource object
* which points to the XML file being parsed.
* @see InputSource
*/
virtual void endInputSource(const InputSource& inputSource);
/**
* This method allows an installed XMLEntityHandler to further
* process any system id's of enternal entities encountered in
* the XML file being parsed, such as redirection etc.
*
* <b>This method always returns 'false'
* for this SAX driver implementation.</b>
*
* @param systemId A const pointer to an Unicode string representing
* the system id scanned by the parser.
* @param toFill A pointer to a buffer in which the application
* processed system id is stored.
* @return 'true', if any processing is done, 'false' otherwise.
*/
virtual bool expandSystemId
(
const XMLCh* const systemId
, XMLBuffer& toFill
);
/**
* This method allows the installed XMLEntityHandler to reset
* itself.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*/
virtual void resetEntities();
/**
* This method allows a user installed entity handler to further
* process any pointers to external entities. The applications
* can implement 'redirection' via this callback. The driver
* should call the SAX EntityHandler 'resolveEntity' method.
*
* @deprecated This method is no longer called (the other resolveEntity one is).
*
* @param publicId A const pointer to a Unicode string representing the
* public id of the entity just parsed.
* @param systemId A const pointer to a Unicode string representing the
* system id of the entity just parsed.
* @param baseURI A const pointer to a Unicode string representing the
* base URI of the entity just parsed,
* or <code>null</code> if there is no base URI.
* @return The value returned by the SAX resolveEntity method or
* NULL otherwise to indicate no processing was done.
* The returned InputSource is owned by the parser which is
* responsible to clean up the memory.
* @see EntityResolver
* @see XMLEntityHandler
*/
virtual InputSource* resolveEntity
(
const XMLCh* const publicId
, const XMLCh* const systemId
, const XMLCh* const baseURI = 0
);
/** Resolve a public/system id
*
* This method allows a user installed entity handler to further
* process any pointers to external entities. The applications can
* implement 'redirection' via this callback.
*
* @param resourceIdentifier An object containing the type of
* resource to be resolved and the associated data members
* corresponding to this type.
* @return The value returned by the user installed resolveEntity
* method or NULL otherwise to indicate no processing was done.
* The returned InputSource is owned by the parser which is
* responsible to clean up the memory.
* @see XMLEntityHandler
* @see XMLEntityResolver
*/
virtual InputSource* resolveEntity
(
XMLResourceIdentifier* resourceIdentifier
);
/**
* This method is used to indicate the start of parsing an
* external entity file.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param inputSource A const reference to the InputSource object
* which points to the external entity
* being parsed.
*/
virtual void startInputSource(const InputSource& inputSource);
//@}
// -----------------------------------------------------------------------
// Implementation of the Deprecated DocTypeHandler Interface
// -----------------------------------------------------------------------
/** @name Implementation of the deprecated DocTypeHandler Interface */
//@{
/**
* This method is used to report an attribute definition.
*
* <b>This method is a no-op for this SAX
* driver implementation.</b>
*
* @param elemDecl A const reference to the object containing information
* about the element whose attribute definition was just
* parsed.
* @param attDef A const reference to the object containing information
* attribute definition.
* @param ignore The flag indicating whether this attribute definition
* was ignored by the parser or not.
*/
virtual void attDef
(
const DTDElementDecl& elemDecl
, const DTDAttDef& attDef
, const bool ignore
);
/**
* This method is used to report a comment occurring within the DTD.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param comment A const pointer to a Unicode string representing the
* text of the comment just parsed.
*/
virtual void doctypeComment
(
const XMLCh* const comment
);
/**
* This method is used to report the DOCTYPE declaration.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param elemDecl A const reference to the object containing information
* about the root element definition declaration of the
* XML document being parsed.
* @param publicId A const pointer to a Unicode string representing the
* public id of the DTD file.
* @param systemId A const pointer to a Unicode string representing the
* system id of the DTD file.
* @param hasIntSubset A flag indicating if this XML file contains any
* internal subset.
* @param hasExtSubset A flag indicating if this XML file contains any
* external subset. Default is false.
*/
virtual void doctypeDecl
(
const DTDElementDecl& elemDecl
, const XMLCh* const publicId
, const XMLCh* const systemId
, const bool hasIntSubset
, const bool hasExtSubset = false
);
/**
* This method is used to report any PI declarations
* occurring inside the DTD definition block.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param target A const pointer to a Unicode string representing the
* target of the PI declaration.
* @param data A const pointer to a Unicode string representing the
* data of the PI declaration. See the PI production rule
* in the XML specification for details.
*/
virtual void doctypePI
(
const XMLCh* const target
, const XMLCh* const data
);
/**
* This method is used to report any whitespaces
* occurring inside the DTD definition block.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param chars A const pointer to a Unicode string representing the
* whitespace characters.
* @param length The length of the whitespace Unicode string.
*/
virtual void doctypeWhitespace
(
const XMLCh* const chars
, const unsigned int length
);
/**
* This method is used to report an element declarations
* successfully scanned by the parser.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param decl A const reference to the object containing element
* declaration information.
* @param isIgnored The flag indicating whether this definition was
* ignored by the parser or not.
*/
virtual void elementDecl
(
const DTDElementDecl& decl
, const bool isIgnored
);
/**
* This method is used to report the end of an attribute
* list declaration for an element.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param elemDecl A const reference to the object containing element
* declaration information.
*/
virtual void endAttList
(
const DTDElementDecl& elemDecl
);
/**
* This method is used to report the end of the internal subset.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*/
virtual void endIntSubset();
/**
* This method is used to report the end of the external subset.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*/
virtual void endExtSubset();
/**
* This method is used to report any entity declarations.
* For unparsed entities, this driver will invoke the
* SAX DTDHandler::unparsedEntityDecl callback.
*
* @param entityDecl A const reference to the object containing
* the entity declaration information.
* @param isPEDecl The flag indicating whether this was a
* parameter entity declaration or not.
* @param isIgnored The flag indicating whether this definition
* was ignored by the parser or not.
*
* @see DTDHandler#unparsedEntityDecl
*/
virtual void entityDecl
(
const DTDEntityDecl& entityDecl
, const bool isPEDecl
, const bool isIgnored
);
/**
* This method allows the user installed DTD handler to
* reset itself.
*/
virtual void resetDocType();
/**
* This method is used to report any notation declarations.
* If there is a user installed DTDHandler, then the driver will
* invoke the SAX DTDHandler::notationDecl callback.
*
* @param notDecl A const reference to the object containing the notation
* declaration information.
* @param isIgnored The flag indicating whether this definition was ignored
* by the parser or not.
*
* @see DTDHandler#notationDecl
*/
virtual void notationDecl
(
const XMLNotationDecl& notDecl
, const bool isIgnored
);
/**
* This method is used to indicate the start of an element's attribute
* list declaration.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param elemDecl A const reference to the object containing element
* declaration information.
*/
virtual void startAttList
(
const DTDElementDecl& elemDecl
);
/**
* This method is used indicate the start of the internal subset.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*/
virtual void startIntSubset();
/**
* This method is used indicate the start of the external subset.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*/
virtual void startExtSubset();
/**
* This method is used to report the TextDecl. Refer to the XML
* specification for the syntax of a TextDecl.
*
* <b>This method is a no-op for this SAX driver
* implementation.</b>
*
* @param versionStr A const pointer to a Unicode string representing
* the version number of the 'version' clause.
* @param encodingStr A const pointer to a Unicode string representing
* the encoding name of the 'encoding' clause.
*/
virtual void TextDecl
(
const XMLCh* const versionStr
, const XMLCh* const encodingStr
);
//@}
// -----------------------------------------------------------------------
// Deprecated Methods
// -----------------------------------------------------------------------
/** @name Deprecated Methods */
//@{
/**
* This method returns the state of the parser's validation
* handling flag which controls whether validation checks
* are enforced or not.
*
* @return true, if the parser is currently configured to
* do validation, false otherwise.
*
* @see #setDoValidation
*/
bool getDoValidation() const;
/**
* This method allows users to enable or disable the parser's validation
* checks.
*
* <p>By default, the parser does not to any validation. The default
* value is false.</p>
*
* @param newState The value specifying whether the parser should
* do validity checks or not against the DTD in the
* input XML document.
*
* @see #getDoValidation
*/
void setDoValidation(const bool newState);
//@}
protected :
// -----------------------------------------------------------------------
// Protected Methods
// -----------------------------------------------------------------------
/**
* This method returns a reference to the underlying scanner object.
* It allows read only access to data maintained in the scanner.
*
* @return A const reference to the underlying scanner object.
*/
const XMLScanner& getScanner() const;
/** Get the Grammar resolver
*
* This provides derived classes with access to the grammar resolver.
*/
GrammarResolver* getGrammarResolver() const;
private:
// -----------------------------------------------------------------------
// Unimplemented constructors and operators
// -----------------------------------------------------------------------
SAXParser(const SAXParser&);
SAXParser& operator=(const SAXParser&);
// -----------------------------------------------------------------------
// Initialize/Cleanup methods
// -----------------------------------------------------------------------
void initialize();
void cleanUp();
void resetInProgress();
// -----------------------------------------------------------------------
// Private data members
//
// fAttrList
// A temporary implementation of the basic SAX attribute list
// interface. We use this one over and over on each startElement
// event to allow SAX-like access to the element attributes.
//
// fDocHandler
// The installed SAX doc handler, if any. Null if none.
//
// fDTDHandler
// The installed SAX DTD handler, if any. Null if none.
//
// fElemDepth
// This is used to track the element nesting depth, so that we can
// know when we are inside content. This is so we can ignore char
// data outside of content.
//
// fEntityResolver
// The installed SAX entity handler, if any. Null if none.
//
// fErrorHandler
// The installed SAX error handler, if any. Null if none.
//
// fPSVIHandler
// The installed PSVI handler, if any. Null if none.
//
// fAdvDHCount
// fAdvDHList
// fAdvDHListSize
// This is an array of pointers to XMLDocumentHandlers, which is
// how we see installed advanced document handlers. There will
// usually not be very many at all, so a simple array is used
// instead of a collection, for performance. It will grow if needed,
// but that is unlikely.
//
// The count is how many handlers are currently installed. The size
// is how big the array itself is (for expansion purposes.) When
// count == size, is time to expand.
//
// fParseInProgress
// This flag is set once a parse starts. It is used to prevent
// multiple entrance or reentrance of the parser.
//
// fScanner
// The scanner being used by this parser. It is created internally
// during construction.
//
// fGrammarPool
// The grammar pool passed from external application (through derivatives).
// which could be 0, not owned.
//
// -----------------------------------------------------------------------
bool fParseInProgress;
unsigned int fElemDepth;
unsigned int fAdvDHCount;
unsigned int fAdvDHListSize;
VecAttrListImpl fAttrList;
DocumentHandler* fDocHandler;
DTDHandler* fDTDHandler;
EntityResolver* fEntityResolver;
XMLEntityResolver* fXMLEntityResolver;
ErrorHandler* fErrorHandler;
PSVIHandler* fPSVIHandler;
XMLDocumentHandler** fAdvDHList;
XMLScanner* fScanner;
GrammarResolver* fGrammarResolver;
XMLStringPool* fURIStringPool;
XMLValidator* fValidator;
MemoryManager* fMemoryManager;
XMLGrammarPool* fGrammarPool;
XMLBuffer fElemQNameBuf;
};
// ---------------------------------------------------------------------------
// SAXParser: Getter methods
// ---------------------------------------------------------------------------
inline DocumentHandler* SAXParser::getDocumentHandler()
{
return fDocHandler;
}
inline const DocumentHandler* SAXParser::getDocumentHandler() const
{
return fDocHandler;
}
inline EntityResolver* SAXParser::getEntityResolver()
{
return fEntityResolver;
}
inline XMLEntityResolver* SAXParser::getXMLEntityResolver()
{
return fXMLEntityResolver;
}
inline const XMLEntityResolver* SAXParser::getXMLEntityResolver() const
{
return fXMLEntityResolver;
}
inline const EntityResolver* SAXParser::getEntityResolver() const
{
return fEntityResolver;
}
inline ErrorHandler* SAXParser::getErrorHandler()
{
return fErrorHandler;
}
inline const ErrorHandler* SAXParser::getErrorHandler() const
{
return fErrorHandler;
}
inline PSVIHandler* SAXParser::getPSVIHandler()
{
return fPSVIHandler;
}
inline const PSVIHandler* SAXParser::getPSVIHandler() const
{
return fPSVIHandler;
}
inline const XMLScanner& SAXParser::getScanner() const
{
return *fScanner;
}
inline GrammarResolver* SAXParser::getGrammarResolver() const
{
return fGrammarResolver;
}
XERCES_CPP_NAMESPACE_END
#endif
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