/usr/include/xercesc/dom/DOMConfiguration.hpp is in libxerces-c-dev 3.1.1-5.1+deb8u4.
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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.
*/
#if !defined(XERCESC_INCLUDE_GUARD_DOMCONFIGURATION_HPP)
#define XERCESC_INCLUDE_GUARD_DOMCONFIGURATION_HPP
//------------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------------
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/RefVectorOf.hpp>
#include <xercesc/dom/DOMStringList.hpp>
XERCES_CPP_NAMESPACE_BEGIN
/**
* The DOMConfiguration interface represents the configuration of
* a document and maintains a table of recognized parameters.
* Using the configuration, it is possible to change
* Document.normalizeDocument behavior, such as replacing
* CDATASection nodes with Text nodes or
* specifying the type of the schema that must be used when the
* validation of the Document is requested. DOMConfiguration
* objects are also used in [DOM Level 3 Load and Save] in
* the DOMLSParser and DOMLSSerializer interfaces.
*
* The DOMConfiguration distinguish two types of parameters:
* boolean (boolean parameters) and DOMUserData
* (parameters). The names used by the DOMConfiguration object are
* defined throughout the DOM Level 3 specifications. Names are
* case-insensitive. To avoid possible conflicts, as a
* convention, names referring to boolean parameters and
* parameters defined outside the DOM specification should be made
* unique. Names are recommended to follow the XML name
* production rule but it is not enforced by the DOM
* implementation. DOM Level 3 Core Implementations are required
* to recognize all boolean parameters and parameters defined in
* this specification. Each boolean parameter state or parameter
* value may then be supported or not by the implementation. Refer
* to their definition to know if a state or a value must be
* supported or not.
*
* Note: Parameters are similar to features and properties used in
* SAX2 [SAX].
*
* The following list of parameters defined in the DOM:
*
* "error-handler"
* [required]
* A DOMErrorHandler object. If an error is
* encountered in the document, the implementation will call
* back the DOMErrorHandler registered using this
* parameter.
* When called, DOMError.relatedData will contain the
* closest node to where the error occured. If the
* implementation is unable to determine the node where the
* error occurs, DOMError.relatedData will contain the
* Document node. Mutations to the document from
* within an error handler will result in implementation
* dependent behaviour.
*
* "schema-type"
* [optional]
* A DOMString object containing an absolute URI and
* representing the type of the schema language used to
* validate a document against. Note that no lexical
* checking is done on the absolute URI.
* If this parameter is not set, a default value may be
* provided by the implementation, based on the schema
* languages supported and on the schema language used at
* load time.
*
* Note: For XML Schema [XML Schema Part 1],
* applications must use the value
* "http://www.w3.org/2001/XMLSchema". For XML DTD
* [XML 1.0], applications must use the value
* "http://www.w3.org/TR/REC-xml". Other schema languages
* are outside the scope of the W3C and therefore should
* recommend an absolute URI in order to use this method.
*
* "schema-location"
* [optional]
* A DOMString object containing a list of URIs,
* separated by white spaces (characters matching the
* nonterminal production S defined in section 2.3
* [XML 1.0]), that represents the schemas against
* which validation should occur. The types of schemas
* referenced in this list must match the type specified
* with schema-type, otherwise the behaviour of an
* implementation is undefined. If the schema type is XML
* Schema [XML Schema Part 1], only one of the XML
* Schemas in the list can be with no namespace.
* If validation occurs against a namespace aware schema,
* i.e. XML Schema, and the targetNamespace of a schema
* (specified using this property) matches the
* targetNamespace of a schema occurring in the instance
* document, i.e in schemaLocation attribute, the schema
* specified by the user using this property will be used
* (i.e., in XML Schema the schemaLocation attribute in the
* instance document or on the import element will be
* effectively ignored).
*
* Note: It is illegal to set the schema-location parameter
* if the schema-type parameter value is not set. It is
* strongly recommended that DOMInputSource.baseURI will be
* set, so that an implementation can successfully resolve
* any external entities referenced.
*
* The following list of boolean parameters (features) defined in
* the DOM:
*
* "canonical-form"
*
* true
* [optional]
* Canonicalize the document according to the rules
* specified in [Canonical XML]. Note that this
* is limited to what can be represented in the DOM.
* In particular, there is no way to specify the order
* of the attributes in the DOM.
*
* false
* [required] (default)
* Do not canonicalize the document.
*
* "cdata-sections"
*
* true
* [required] (default)
* Keep CDATASection nodes in the document.
*
* false
* [required]
* Transform CDATASection nodes in the document
* into Text nodes. The new Text node is
* then combined with any adjacent Text node.
*
* "comments"
*
* true
* [required] (default)
* Keep Comment nodes in the document.
*
* false
* [required]
* Discard Comment nodes in the Document.
*
* "datatype-normalization"
*
* true
* [required]
* Exposed normalized values in the tree.
*
* false
* [required] (default)
* Do not perform normalization on the tree.
*
* "discard-default-content"
*
* true
* [required] (default)
* Use whatever information available to the
* implementation (i.e. XML schema, DTD, the specified
* flag on Attr nodes, and so on) to decide what
* attributes and content should be discarded or not.
* Note that the specified flag on Attr nodes in
* itself is not always reliable, it is only reliable
* when it is set to false since the only case where
* it can be set to false is if the attribute was
* created by the implementation. The default content
* won't be removed if an implementation does not have
* any information available.
*
* false
* [required]
* Keep all attributes and all content.
*
* "entities"
*
* true
* [required]
* Keep EntityReference and Entity nodes
* in the document.
*
* false
* [required] (default)
* Remove all EntityReference and Entity
* nodes from the document, putting the entity
* expansions directly in their place. Text
* nodes are into "normal" form. Only
* EntityReference nodes to non-defined entities
* are kept in the document.
*
* "infoset"
*
* true
* [required]
* Only keep in the document the information defined
* in the XML Information Set [XML Information
* set].
* This forces the following features to false:
* namespace-declarations, validate-if-schema,
* entities, datatype-normalization, cdata-sections.
* This forces the following features to true:
* whitespace-in-element-content, comments,
* namespaces.
* Other features are not changed unless explicitly
* specified in the description of the features.
* Note that querying this feature with getFeature
* returns true only if the individual features
* specified above are appropriately set.
*
* false
* Setting infoset to false has no effect.
*
* "namespaces"
*
* true
* [required] (default)
* Perform the namespace processing as defined in
* [XML Namespaces].
*
* false
* [optional]
* Do not perform the namespace processing.
*
* "namespace-declarations"
*
* true
* [required] (default)
* Include namespace declaration attributes, specified
* or defaulted from the schema or the DTD, in the
* document. See also the section Declaring
* Namespaces in [XML Namespaces].
*
* false
* [required]
* Discard all namespace declaration attributes. The
* Namespace prefixes are retained even if this
* feature is set to false.
*
* "normalize-characters"
*
* true
* [optional]
* Perform the W3C Text Normalization of the
* characters [CharModel] in the document.
*
* false
* [required] (default)
* Do not perform character normalization.
*
* "split-cdata-sections"
*
* true
* [required] (default)
* Split CDATA sections containing the CDATA section
* termination marker ']]>'. When a CDATA section is
* split a warning is issued.
*
* false
* [required]
* Signal an error if a CDATASection contains an
* unrepresentable character.
*
* "validate"
*
* true
* [optional]
* Require the validation against a schema (i.e. XML
* schema, DTD, any other type or representation of
* schema) of the document as it is being normalized
* as defined by [XML 1.0]. If validation errors
* are found, or no schema was found, the error
* handler is notified. Note also that normalized
* values will not be exposed to the schema in used
* unless the feature datatype-normalization is true.
*
* Note: validate-if-schema and validate are mutually
* exclusive, setting one of them to true will set the
* other one to false.
*
* false
* [required] (default)
* Only XML 1.0 non-validating processing must be
* done. Note that validation might still happen if
* validate-if-schema is true.
*
* "validate-if-schema"
*
* true
* [optional]
* Enable validation only if a declaration for the
* document element can be found (independently of
* where it is found, i.e. XML schema, DTD, or any
* other type or representation of schema). If
* validation errors are found, the error handler is
* notified. Note also that normalized values will not
* be exposed to the schema in used unless the feature
* datatype-normalization is true.
*
* Note: validate-if-schema and validate are mutually
* exclusive, setting one of them to true will set the
* other one to false.
*
* false
* [required] (default)
* No validation should be performed if the document
* has a schema. Note that validation must still
* happen if validate is true.
*
* "element-content-whitespace"
*
* true
* [required] (default)
* Keep all white spaces in the document.
*
* false
* [optional]
* Discard white space in element content while
* normalizing. The implementation is expected to use
* the isWhitespaceInElementContent flag on Text
* nodes to determine if a text node should be written
* out or not.
*
* The resolutions of entities is done using Document.baseURI.
* However, when the features "LS-Load" or "LS-Save" defined in
* [DOM Level 3 Load and Save] are supported by the DOM
* implementation, the parameter "entity-resolver" can also be
* used on DOMConfiguration objects attached to Document
* nodes. If this parameter is set,
* Document.normalizeDocument will invoke the entity
* resolver instead of using Document.baseURI.
*/
class CDOM_EXPORT DOMConfiguration
{
protected:
//-----------------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------------
/** @name Hidden constructors */
//@{
DOMConfiguration() {};
//@}
private:
// -----------------------------------------------------------------------
// Unimplemented constructors and operators
// -----------------------------------------------------------------------
/** @name Unimplemented constructors and operators */
//@{
DOMConfiguration(const DOMConfiguration &);
DOMConfiguration & operator = (const DOMConfiguration &);
//@}
public:
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
/** Set the value of a parameter.
* @param name The name of the parameter to set.
* @param value The new value or null if the user wishes to unset the
* parameter. While the type of the value parameter is defined as
* <code>DOMUserData</code>, the object type must match the type defined
* by the definition of the parameter. For example, if the parameter is
* "error-handler", the value must be of type <code>DOMErrorHandler</code>
* @exception DOMException (NOT_SUPPORTED_ERR) Raised when the
* parameter name is recognized but the requested value cannot be set.
* @exception DOMException (NOT_FOUND_ERR) Raised when the
* parameter name is not recognized.
* @since DOM level 3
**/
virtual void setParameter(const XMLCh* name, const void* value) = 0;
virtual void setParameter(const XMLCh* name, bool value) = 0;
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
/** Return the value of a parameter if known.
* @param name The name of the parameter.
* @return The current object associated with the specified parameter or
* null if no object has been associated or if the parameter is not
* supported.
* @exception DOMException (NOT_FOUND_ERR) Raised when the i
* boolean parameter
* name is not recognized.
* @since DOM level 3
**/
virtual const void* getParameter(const XMLCh* name) const = 0;
// -----------------------------------------------------------------------
// Query methods
// -----------------------------------------------------------------------
/** Check if setting a parameter to a specific value is supported.
* @param name The name of the parameter to check.
* @param value An object. if null, the returned value is true.
* @return true if the parameter could be successfully set to the specified
* value, or false if the parameter is not recognized or the requested value
* is not supported. This does not change the current value of the parameter
* itself.
* @since DOM level 3
**/
virtual bool canSetParameter(const XMLCh* name, const void* value) const = 0;
virtual bool canSetParameter(const XMLCh* name, bool value) const = 0;
/**
* The list of the parameters supported by this DOMConfiguration object and
* for which at least one value can be set by the application.
* Note that this list can also contain parameter names defined outside this specification.
*
* @return The list of parameters that can be used with setParameter/getParameter
* @since DOM level 3
**/
virtual const DOMStringList* getParameterNames() const = 0;
// -----------------------------------------------------------------------
// All constructors are hidden, just the destructor is available
// -----------------------------------------------------------------------
/** @name Destructor */
//@{
/**
* Destructor
*
*/
virtual ~DOMConfiguration() {};
//@}
};
XERCES_CPP_NAMESPACE_END
#endif
/**
* End of file DOMConfiguration.hpp
*/
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