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bullet3/Extras/COLLADA_DOM/include/dae/daeInterface.h

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/*
* Copyright 2006 Sony Computer Entertainment Inc.
*
* Licensed under the SCEA Shared Source License, Version 1.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at:
* http://research.scea.com/scea_shared_source_license.html
*
* 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.
*/
#ifndef __DAE_INTERFACE__
#define __DAE_INTERFACE__
#include <dae/daeTypes.h>
class daeElement;
class daeDatabase;
class daeIOPlugin;
class domCOLLADA;
/**
* Integration library meta register function.
*
* Such a function (@c intRegisterElements() )is autogenerated by the COLLADA code generator
* and can be modified if necessary to register the meta of the
* integration library objects.
*/
typedef void (*daeIntegrationLibraryFunc)();
/**
* The @c daeInterface class provides an interface with the COLLADA runtime database.
*/
class daeInterface
{
public:
/**
* Destructor.
*/
virtual ~daeInterface() {}
/** @name Database setup
* management of the database that stores the COLLADA elements.
*/
//@{
/**
* Gets the COLLADA runtime database currently being used.
* @return Returns the database currently being used.
*/
virtual daeDatabase* getDatabase() = 0;
/**
* Sets the COLLADA runtime database to use.
* @param database Database that stores the COLLADA data,
* if set to NULL a default database is set.
* @return Returns @c DAE_OK if success, otherwise, returns a negative error value as defined in daeError.h.
*/
virtual daeInt setDatabase(daeDatabase* database) = 0;
//@}
/** @name IOPlugin setup
* handle the backend, which can import or export the COLLADA
* database to a file system, to a runtime or to any other storage system.
*/
//@{
/**
* Gets the @c daeIOPlugin currently set.
* @return Returns the @c daeIOPlugin currently set on the interface.
*/
virtual daeIOPlugin* getIOPlugin() = 0;
/**
* Sets the plugin which will be the interface between the COLLADA runtime database
* and the rest of the system.
* It can be used to read or write from a native XML file, to convert, or to store
* in a more complex structure like a storage database.
* @param plugin Plugin to use, if set to NULL a default plugin is set.
* @return Returns @c DAE_OK if success, otherwise, returns a negative error value as defined in daeError.h.
*/
virtual daeInt setIOPlugin(daeIOPlugin* plugin) = 0;
//@}
/** @name Integration Library Setup
* definition of an integration library to use when processing COLLADA file.
* It defines a framework for a user to insert a source code that will be called
* in the context of an import or export. Hence, it's the preferred way of
* accessing COLLADA runtime structure and convert between COLLADA and the user's
* runtime.
*/
//@{
/**
* Gets the integration library register function currently being used.
* @return Returns the integration library register function currently being used.
*/
virtual daeIntegrationLibraryFunc getIntegrationLibrary() = 0;
/**
* Sets the integration library register function.
* @param regFunc Integration library register function to use.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt setIntegrationLibrary(daeIntegrationLibraryFunc regFunc)=0;
//@}
/** @name Batch import/export operations
* import or export a COLLADA database by using the daeIOPlugin currently set.
*/
//@{
/**
* Loads a COLLADA document into the runtime database
* @param name the document to load. The format for this is defined by the IO plugin
* being used, in most cases this will be an rfc 2396 compliant relative or absolute URI. Please check
* the class documentation for the IO plugin you are using for specific restrictions. Not all IO plugins
* support all types of URIs.
* @param docBuffer A string containing the text of the document to load. This is an optional attribute
* and should only be used if the document has already been loaded into memory.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt load(daeString name, daeString docBuffer = NULL) = 0;
/**
* Saves a single document/document back to the location it was loaded from.
* @param documentName the name of the loaded document to be saved, in most cases this will be an rfc 2396 compliant
* URI but some IO plugins may work differently. Please check the class documentation for the IO plugin you are using for specific restrictions.
* @param replace If set to false, save won't save over top of an existing document and will return a DAE_ERR_BACKEND_FILE_EXISTS
* error.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt save(daeString documentName, daeBool replace=true) = 0;
/**
* Saves a single document/document back to the location it was loaded from.
* @param documentIndex the index of a loaded document to be saved.
* @param replace If set to false, save won't save over top of an existing document and will return a DAE_ERR_BACKEND_FILE_EXISTS
* error.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt save(daeUInt documentIndex=0, daeBool replace=true) = 0;
/**
* Saves a single document/document from the runtime database by name.
* @param name the name to save the document to. The format for this is defined by the IO plugin
* being used, in most cases this will be an rfc 2396 compliant relative or absolute URI. Please check
* the class documentation for the IO plugin you are using for specific restrictions. Not all IO plugins
* support all types of URIs.
* @param documentName the name of the document/document to save. This is also defined by the IO plugin, in
* most cases this will be the URI of where the document was loaded from.
* @param replace If set to false, saveAs won't save over top of an existing document and will return a DAE_ERR_BACKEND_FILE_EXISTS
* error.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt saveAs(daeString name, daeString documentName, daeBool replace=true) = 0;
/**
* Saves a single document/document from the runtime database by index.
* @param name the name to save the document to. The format for this is defined by the IO plugin
* being used, in most cases this will be an rfc 2396 compliant relative or absolute URI. Please check
* the class documentation for the IO plugin you are using for specific restrictions. Not all IO plugins
* support all types of URIs.
* @param documentIndex the index of the document/document to save, 0 is the first document loaded...etc.
* Defaults to saving the first document loaded
* @param replace If set to false, saveAs won't save over top of an existing document and will return a DAE_ERR_BACKEND_FILE_EXISTS
* error.
* @return Returns DAE_OK if success, a negative value defined in daeError.h otherwise.
*/
virtual daeInt saveAs(daeString name, daeUInt documentIndex=0, daeBool replace=true) = 0;
/**
* Unloads a specific document from the runtime database.
* @param name Name of the document to remove.
* @return Returns DAE_OK if unloaded successfully, otherwise returns a negative value as defined in daeError.h.
* @note This function is not currently implemented.
*/
virtual daeInt unload(daeString name) = 0;
/**
* Unloads all the documents of the runtime database.
* This function frees all the @c dom* objects and integration objects created so far,
* except the object on which the user still has a smart pointer reference.
* @return Returns DAE_OK if all documents unloaded successfully, otherwise returns a negative value as defined in daeError.h.
*/
virtual daeInt clear() = 0;
//@}
/** @name Import/export progress
*/
//@{
/**
* Gets the progress of @c load() operation.
* This function can be used from another thread to check the progress of a @c load()
* operation. The user can update a progress bar <tt> bytesParsed/totalBytes </tt> gives the
* percentage of progress of the operation.
* @param bytesParsed Pointer to an integer that receives the number of bytes already
* consumed from the file, can be NULL if the user don't want to retrieve this information.
* @param lineNumber Pointer to an integer that receives the number of lines read so far,
* can be NULL.
* @param totalBytes Pointer to an integer that receives the total number of bytes in the
* file currently being loaded, can be NULL.
* @param reset Indicates whether to reset the counters. A value of false is the default behavior
* that fits most usage. Set it to true to reset
* the <tt><i> bytesParsed </i></tt> and <tt><i> lineNumber </i></tt> counters. The system resets the counter at the beginning of
* each file.
*/
virtual void getProgress(daeInt* bytesParsed,
daeInt* lineNumber,
daeInt* totalBytes,
daeBool reset = false )=0;
//@}
/** @name Main DOM Query
*/
//@{
/**
* Gets the COLLADA tree root of a given document.
* @param name Document name, for the file @c daeIOPlugin, this will be the filename for a file.
* @return Returns the @c domCOLLADA root object of the document, or NULL if the document is not found.
*/
virtual domCOLLADA* getDom(daeString name) = 0;
/**
* Gets the COLLADA schema version that was used to build the DOM classes
* @return a text string with the version number in it (ie: 1.3.1)
*/
virtual daeString getDomVersion() = 0;
/**
* Sets or inserts a COLLADA tree into the database.
* The system creates a default database if none is set and then creates a document
* if the document doesn't already exist. The document keeps a reference on the
* @c daeElement, so you can then delete your own reference to the object safely.
* @param name the document name, may be an absolute or relative URI. The URI will be resolved to an absolute version
* and then compared with the absolute version of the document's URI. If the URI contains a fragment, it is stripped out.
* @param dom Root tree.
* @return Returns DAE_OK if success, otherwise returns a negative value as defined in daeError.h.
*/
virtual daeInt setDom(daeString name, domCOLLADA* dom) = 0;
//@}
};
#endif // __DAE_INTERFACE__