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Added utility routines to create RDF Sequence and Bag objects. Added prototype for RDF container cursor. Added some comments.

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git-svn-id: svn://10.0.0.236/trunk@16428 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
waterson%netscape.com
1998-12-15 07:44:40 +00:00
parent cbdcab6dab
commit 1197d3600f
1 changed files with 46 additions and 7 deletions
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53
mozilla/rdf/src/rdfutil.h
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@@ -22,7 +22,9 @@
#include "prtypes.h"
class nsIRDFCursor;
class nsIRDFDataBase;
class nsIRDFDataSource;
class nsIRDFNode;
class nsIRDFResourceManager;
class nsString;
@@ -41,7 +43,7 @@ rdf_IsOrdinalProperty(const nsIRDFNode* property);
*/
PRBool
rdf_IsContainer(nsIRDFResourceManager* mgr,
nsIRDFDataBase* db,
nsIRDFDataSource* db,
nsIRDFNode* resource);
/**
@@ -102,42 +104,79 @@ rdf_Assert(nsIRDFResourceManager* mgr,
const nsString& predicateURI,
nsIRDFNode* object);
/**
* Construct a new, "anonymous" node; that is, a node with an internal
* resource URI.
*/
nsresult
rdf_CreateAnonymousNode(nsIRDFResourceManager* mgr,
nsIRDFNode*& result);
/**
* Create a bag resource.
*/
nsresult
rdf_CreateBag(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode*& result);
/**
* Create a sequence resource.
*/
nsresult
rdf_ContainerGetNextValue(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode* container,
PRInt32& result);
rdf_CreateSequence(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode*& result);
/**
* Create an alternation resource.
*/
nsresult
rdf_CreateAlternation(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode*& result);
/**
* Add an element to the container.
*/
nsresult
rdf_ContainerAddElement(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode* container,
nsIRDFNode* element);
/**
* Add an element to the container.
*/
nsresult
rdf_ContainerAddElement(nsIRDFResourceManager* mgr,
nsIRDFDataSource* ds,
nsIRDFNode* container,
const nsString& literalOrURI);
/**
* Return <tt>PR_TRUE</tt> if the specified resources are equal.
*/
PRBool
rdf_ResourceEquals(nsIRDFResourceManager* mgr,
nsIRDFNode* resource,
const nsString& uri);
/**
* Create a cursor on a container that enumerates its contents in
* order
*/
nsresult
NS_NewContainerCursor(nsIRDFDataSource* ds,
nsIRDFNode* container,
nsIRDFCursor*& cursor);
// XXX need to move nsEmptyCursor stuff here.
#endif // rdfutil_h__