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/** Small tool to generate protocol declarations from introspection data.
Copyright (C) 2010 Free Software Foundation, Inc.
Written by: Niels Grewe <niels.grewe@halbordnung.de>
Created: August 2010
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
You should have received a copy of the GNU General Public
License along with this program; see the file COPYING.
If not, write to the Free Software Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#import <Foundation/Foundation.h>
#import "../Source/DKProxy+Private.h"
#import "../Source/DKIntrospectionParserDelegate.h"
#import "../Source/DKInterface.h"
#include <fcntl.h>
@interface DKIntrospector: NSObject <DKObjectPathNode>
{
NSMutableArray *nodes;
NSMutableDictionary *interfaces;
}
@end
@implementation DKIntrospector
- (id)init
{
if (nil == (self = [super init]))
{
return nil;
}
interfaces = [NSMutableDictionary new];
nodes = [NSMutableArray new];
return self;
}
- (NSString*)_path
{
return @"/";
}
- (void)_addChildNode: (DKObjectPathNode*)node
{
if (nil != node)
{
[nodes addObject: node];
}
}
- (void)_addInterface: (DKInterface*)interface
{
NSString *name = [interface name];
if (nil != name)
{
[interfaces setObject: interface
forKey: name];
}
}
- (NSDictionary*)_interfaces
{
return interfaces;
}
- (void)dealloc
{
[interfaces release];
[nodes release];
[super dealloc];
}
@end
enum
{
EXPECT_SWITCH,
EXPECT_PATH
};
int main (int argc, char **argv, char **env)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSProcessInfo *info = [NSProcessInfo processInfo];
NSArray *args = [info arguments];
NSUInteger argCount = [args count];
NSUInteger argIndex = 1;
NSUInteger argState = EXPECT_SWITCH;
BOOL useObjC2 = NO;
NSString *inPath = nil;
NSString *outPath = nil;
NSString **pathAddr = NULL;
NSURL *inURL = nil;
NSXMLParser *parser = nil;
DKIntrospectionParserDelegate *delegate = nil;
DKIntrospector *spector = nil;
NSFileHandle *outHandle = nil;
NSDictionary *interfaces = nil;
DKInterface *thisIf = nil;
NSEnumerator *ifEnum = nil;
if (argCount == 1)
{
GSPrintf(stderr, @"Usage: Use '-i' to specify the input file and '-o' to specify the output file.\nIf no output file is given, stdout is used.\n");
return 1;
}
for (argIndex = 1; argIndex < argCount; argIndex++)
{
NSString *thisArg = [args objectAtIndex: argIndex];
if (([thisArg hasPrefix: @"-"]) && (EXPECT_SWITCH == argState))
{
if ([thisArg isEqualToString: @"-2"])
{
useObjC2 = YES;
argState = EXPECT_SWITCH;
}
else if ([thisArg isEqualToString: @"-i"])
{
pathAddr = &inPath;
argState = EXPECT_PATH;
}
else if ([thisArg isEqualToString: @"-o"])
{
pathAddr = &outPath;
argState = EXPECT_PATH;
}
}
else if (EXPECT_PATH == argState)
{
if (pathAddr != NULL)
{
*pathAddr = thisArg;
}
argState = EXPECT_SWITCH;
}
else
{
pathAddr = NULL;
}
}
if (nil == inPath)
{
return 1;
}
inURL = [NSURL fileURLWithPath: [inPath stringByStandardizingPath]];
if (nil == inURL)
{
return 1;
}
spector = [[[DKIntrospector alloc] init] autorelease];
delegate = [[[DKIntrospectionParserDelegate alloc] initWithParentForNodes: spector] autorelease];
parser = [[[NSXMLParser alloc] initWithContentsOfURL: inURL] autorelease];
[parser setDelegate: delegate];
[parser parse];
interfaces = [spector _interfaces];
if (0 == [interfaces count])
{
GSPrintf(stderr, @"No interfaces found.\n");
return 1;
}
if (outPath == nil)
{
outHandle = [NSFileHandle fileHandleWithStandardOutput];
}
else
{
int fd = -1;
outPath = [outPath stringByStandardizingPath];
fd = creat([outPath UTF8String], 0644);
if (-1 == fd)
{
GSPrintf(stderr,@"Could not open '%@'.\n", outPath);
return 1;
}
outHandle = [[[NSFileHandle alloc] initWithFileDescriptor: fd
closeOnDealloc: NO] autorelease];
}
if (outHandle == nil)
{
GSPrintf(stderr, @"Could write data.\n");
return 1;
}
ifEnum = [interfaces objectEnumerator];
while (nil != (thisIf = [ifEnum nextObject]))
{
NSString *preamble = [NSString stringWithFormat: @"#import <Foundation/Foundation.h>\n\n/*\n * Objective-C protocol declaration for the D-Bus %@ interface.\n */\n",
[thisIf name]];
[outHandle writeData: [preamble dataUsingEncoding: NSUTF8StringEncoding
allowLossyConversion: YES]];
[outHandle writeData: [[thisIf protocolDeclaration] dataUsingEncoding: NSUTF8StringEncoding
allowLossyConversion: YES]];
}
[outHandle closeFile];
[pool release];
return 0;
}
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