+++ /dev/null
-/* $Id$ $Revision$ */
-/* vim:set shiftwidth=4 ts=8: */
-
-/**********************************************************
-* This software is part of the graphviz package *
-* http://www.graphviz.org/ *
-* *
-* Copyright (c) 1994-2008 AT&T Corp. *
-* and is licensed under the *
-* Common Public License, Version 1.0 *
-* by AT&T Corp. *
-* *
-* Information and Software Systems Research *
-* AT&T Research, Florham Park NJ *
-**********************************************************/
-
-#import <Foundation/Foundation.h>
-#include <graphviz/gvc.h>
-
-@interface GVContext : NSObject
-{
- GVC_t *_context;
-}
-
-+ (GVContext *)sharedContext;
-
-- (id)init;
-
-- (void)layoutGraph:(graph_t *)graph withEngine:(NSString*)engine;
-
-- (NSData*)renderGraph:(graph_t *)graph withFormat:(NSString*)format;
-- (void)renderGraph:(graph_t *)graph withFormat:(NSString*) format toURL:(NSURL*)URL;
-@end
+++ /dev/null
-/* $Id$ $Revision$ */
-/* vim:set shiftwidth=4 ts=8: */
-
-/**********************************************************
-* This software is part of the graphviz package *
-* http://www.graphviz.org/ *
-* *
-* Copyright (c) 1994-2008 AT&T Corp. *
-* and is licensed under the *
-* Common Public License, Version 1.0 *
-* by AT&T Corp. *
-* *
-* Information and Software Systems Research *
-* AT&T Research, Florham Park NJ *
-**********************************************************/
-
-#import "GVContext.h"
-
-@implementation GVContext
-
-+ (GVContext *)sharedContext
-{
- static GVContext *shared = nil;
- if (!shared)
- shared = [[GVContext alloc] init];
- return shared;
-}
-
-- (id)init
-{
- if (self = [super init])
- _context = gvContext();
- return self;
-}
-
-- (void)layoutGraph:(graph_t *)graph withEngine:(NSString*)engine
-{
- if (gvLayout(_context, graph, (char*)[engine UTF8String]) != 0)
- @throw [NSException exceptionWithName:@"GVException" reason:@"Bad layout" userInfo:nil];
-}
-
-- (NSData*)renderGraph:(graph_t *)graph withFormat:(NSString*)format
-{
- char *renderedData = NULL;
- unsigned int renderedLength = 0;
- if (gvRenderData(_context, graph, (char*)[format UTF8String], &renderedData, &renderedLength) != 0)
- @throw [NSException exceptionWithName:@"GVException" reason:@"Bad render" userInfo:nil];
- return [NSData dataWithBytesNoCopy:renderedData length:renderedLength freeWhenDone:YES];
-}
-
-- (void)renderGraph:(graph_t *)graph withFormat:(NSString*)format toURL:(NSURL*)URL
-{
- if ([URL isFileURL]) {
- if (gvRenderFilename(_context, graph, (char*)[format UTF8String], (char*)[[URL path] UTF8String]) != 0)
- @throw [NSException exceptionWithName:@"GVException" reason:@"Bad render" userInfo:nil];
- }
- else
- [[self renderGraph:graph withFormat:format] writeToURL:URL atomically:NO];
-}
-
-- (void)dealloc
-{
- if(_context)
- gvFreeContext(_context);
- [super dealloc];
-}
-@end