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Added xslt support.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@18935 72102866-910b-0410-8b05-ffd578937521
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6 changed files with 503 additions and 3 deletions
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@ -70,6 +70,13 @@
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#include <libxml/xmlmemory.h>
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#include <libxml/xpath.h>
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#ifdef HAVE_LIBXSLT
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#include <libxslt/xslt.h>
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#include <libxslt/xsltInternals.h>
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#include <libxslt/transform.h>
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#include <libxslt/xsltutils.h>
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#endif /* HAVE_LIBXSLT */
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extern int xmlGetWarningsDefaultValue;
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/*
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@ -3818,6 +3825,241 @@ static BOOL warned = NO; if (warned == NO) { warned = YES; NSLog(@"WARNING, use
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- (GSXMLDocument*) doc { static BOOL warned = NO; if (warned == NO) { warned = YES; NSLog(@"WARNING, use of deprecated method ... [%@ -%@]", NSStringFromClass([self class]), NSStringFromSelector(_cmd)); } return [self document]; }
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@end
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@implementation GSXMLDocument (XSLT)
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#ifdef HAVE_LIBXSLT
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/**
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* Performs an XSLT transformation on the specified file using the
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* sytelsheet provided.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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+ (GSXMLDocument*) xsltTransformFile: (NSString*)xmlFile
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stylesheet: (NSString*)xsltStylesheet
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{
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return [GSXMLDocument xsltTransformFile: xmlFile
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stylesheet: xsltStylesheet
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params: nil];
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}
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/**
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* Performs an XSLT transformation on the specified file using the
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* sytelsheet and parameters provided. See the libxslt documentation
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* for details of the supported parameters.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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+ (GSXMLDocument*) xsltTransformFile: (NSString*)xmlFile
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stylesheet: (NSString*)xsltStylesheet
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params: (NSDictionary*)params
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{
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GSXMLDocument *newdoc;
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NS_DURING
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{
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NSData *xml;
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NSData *ss;
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xml = [NSData dataWithContentsOfFile: xmlFile];
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ss = [NSData dataWithContentsOfFile: xsltStylesheet];
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if (xml == nil || ss == nil)
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{
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newdoc = nil;
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}
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else
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{
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newdoc = [GSXMLDocument xsltTransformXml: xml
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stylesheet: ss
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params: params];
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}
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}
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NS_HANDLER
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{
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newdoc = nil;
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}
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NS_ENDHANDLER
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return newdoc;
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}
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/**
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* Performs an XSLT transformation on the specified file using the
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* sytelsheet provided.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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+ (GSXMLDocument*) xsltTransformXml: (NSData*)xmlData
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stylesheet: (NSData*)xsltStylesheet
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{
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return [GSXMLDocument xsltTransformXml: xmlData
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stylesheet: xsltStylesheet
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params: nil];
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}
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/**
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* Performs an XSLT transformation on the specified file using the
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* sytelsheet and parameters provided.See the libxslt documentation
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* for details of the supported parameters.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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+ (GSXMLDocument*) xsltTransformXml: (NSData*)xmlData
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stylesheet: (NSData*)xsltStylesheet
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params: (NSDictionary*)params
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{
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GSXMLDocument *newdoc;
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NS_DURING
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{
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GSXMLParser *xmlParser;
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GSXMLDocument *xml;
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GSXMLParser *ssParser;
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GSXMLDocument *ss;
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xmlParser = [GSXMLParser parserWithData: xmlData];
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[xmlParser parse];
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xml = [xmlParser document];
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ssParser = [GSXMLParser parserWithData: xsltStylesheet];
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[ssParser parse];
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ss = [ssParser document];
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newdoc = [xml xsltTransform: ss params: params];
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}
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NS_HANDLER
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{
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newdoc = nil;
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}
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NS_ENDHANDLER
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return newdoc;
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}
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/**
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* Performs an XSLT transformation on the current document using the
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* supplied stylesheet.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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- (GSXMLDocument*) xsltTransform: (GSXMLDocument*)xsltStylesheet
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{
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return [self xsltTransform: xsltStylesheet params: nil];
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}
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/**
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* Performs an XSLT transformation on the current document using the
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* supplied stylesheet and paramaters (parameters may be nil).
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* See the libxslt documentation for details of the supported parameters.<br />
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*
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* Returns an autoreleased GSXMLDocument containing the transformed
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* XML, or nil on failure.
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*/
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- (GSXMLDocument*) xsltTransform: (GSXMLDocument*)xsltStylesheet
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params: (NSDictionary*)params
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{
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GSXMLDocument *newdoc = nil;
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NS_DURING
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{
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xsltStylesheetPtr ss = NULL;
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xmlDocPtr ssXml = (xmlDocPtr)[xsltStylesheet lib];
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int pSize = params == nil ? 1 : ([params count] * 2) + 1;
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int pNum = 0;
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const char *parameters[pSize];
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if (params != nil)
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{
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NSEnumerator *keys = [params keyEnumerator];
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if (keys != nil)
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{
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NSString *key = [keys nextObject];
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while (key != nil)
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{
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NSString *value = [params objectForKey: key];
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parameters[pNum++] = [key cString];
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parameters[pNum++] = [value cString];
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key = [keys nextObject];
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}
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}
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}
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parameters[pNum] = NULL;
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ss = xsltParseStylesheetDoc(ssXml);
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if (xsltStylesheet != NULL)
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{
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xmlDocPtr res = NULL;
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res = xsltApplyStylesheet(ss, lib, parameters);
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if (res != NULL)
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{
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newdoc = [GSXMLDocument alloc];
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newdoc = [newdoc _initFrom: res
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parent: self
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ownsLib: YES];
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AUTORELEASE(newdoc);
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}
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}
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/*
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* N.B. We don't want to call xsltFreeStylesheet() to free the
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* stylesheet xmlDocPtr because that will destroy the lib which
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* is owned by the xsltStylesheet object.
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*/
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xsltCleanupGlobals();
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}
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NS_HANDLER
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{
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newdoc= nil;
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}
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NS_ENDHANDLER
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return newdoc;
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}
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#else /* HAVE_LIBXSLT */
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+ (GSXMLDocument*) xsltTransformFile: (NSString*)xmlFile
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stylesheet: (NSString*)xsltStylesheet
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params: (NSDictionary*)params
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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+ (GSXMLDocument*) xsltTransformFile: (NSString*)xmlFile
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stylesheet: (NSString*)xsltStylesheet
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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+ (GSXMLDocument*) xsltTransformXml: (NSData*)xmlData
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stylesheet: (NSData*)xsltStylesheet
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params: (NSDictionary*)params
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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+ (GSXMLDocument*) xsltTransformXml: (NSData*)xmlData
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stylesheet: (NSData*)xsltStylesheet
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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- (GSXMLDocument*) xsltTransform: (GSXMLDocument*)xsltStylesheet
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params: (NSDictionary*)parameters
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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- (GSXMLDocument*) xsltTransform: (GSXMLDocument*)xsltStylesheet
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{
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NSLog(@"libxslt is not available");
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return nil;
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}
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#endif /* HAVE_LIBXSLT */
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@end
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#else
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#ifndef NeXT_Foundation_LIBRARY
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@ -3887,6 +4129,7 @@ static BOOL warned = NO; if (warned == NO) { warned = YES; NSLog(@"WARNING, use
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@end
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@implementation GSXMLAttribute
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@end
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#endif
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