//
// NibProcessor.m
// nib2objc
//
// Created by Adrian on 3/13/09.
// Adrian Kosmaczewski 2009
//
#import "NibProcessor.h"
#import "Processor.h"
@interface NibProcessor (Private)
- (void)getDictionaryFromNIB;
- (void)process;
- (void)parseChildren:(NSDictionary *)dict ofCurrentView:(int)currentView;
@end
@implementation NibProcessor
@dynamic input;
@synthesize output;
- (void)dealloc
{
[filename release];
[output release];
[dictionary release];
[data release];
[super dealloc];
}
#pragma mark -
#pragma mark Properties
- (NSString *)input
{
return filename;
}
- (void)setInput:(NSString *)newFilename
{
[filename release];
filename = nil;
filename = [newFilename copy];
[self getDictionaryFromNIB];
[self process];
}
- (NSString *)inputAsText
{
return [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease];
}
- (NSDictionary *)inputAsDictionary
{
NSString *errorStr = nil;
NSPropertyListFormat format;
NSDictionary *propertyList = [NSPropertyListSerialization propertyListFromData:data
mutabilityOption:NSPropertyListImmutable
format:&format
errorDescription:&errorStr];
[errorStr release];
return propertyList;
}
#pragma mark -
#pragma mark Private methods
- (void)getDictionaryFromNIB
{
// Build the NSTask that will run the ibtool utility
NSArray *arguments = [NSArray arrayWithObjects:filename, @"--objects",
@"--hierarchy", @"--connections", @"--classes", nil];
NSTask *task = [[NSTask alloc] init];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *readHandle = [pipe fileHandleForReading];
NSData *temp = nil;
[data release];
data = [[NSMutableData alloc] init];
[task setLaunchPath:@"/usr/bin/ibtool"];
[task setArguments:arguments];
[task setStandardOutput:pipe];
[task launch];
while ((temp = [readHandle availableData]) && [temp length])
{
[data appendData:temp];
}
// This dictionary is ready to be parsed, and it contains
// everything we need from the NIB file.
dictionary = [[self inputAsDictionary] retain];
[task release];
}
- (void)process
{
// NSDictionary *nibClasses = [dict objectForKey:@"com.apple.ibtool.document.classes"];
// NSDictionary *nibConnections = [dict objectForKey:@"com.apple.ibtool.document.connections"];
NSDictionary *nibObjects = [dictionary objectForKey:@"com.apple.ibtool.document.objects"];
NSMutableDictionary *objects = [[NSMutableDictionary alloc] init];
for (NSDictionary *key in nibObjects)
{
id object = [nibObjects objectForKey:key];
NSString *klass = [object objectForKey:@"class"];
Processor *processor = [Processor processorForClass:klass];
if (processor == nil)
{
// Uncomment these lines to get notified about classes not yet handled by this utility
// NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
// [dict setObject:klass forKey:@"// unknown object (yet)"];
// [objects setObject:dict forKey:key];
// [dict release];
}
else
{
NSDictionary *dict = [processor processObject:object];
[objects setObject:dict forKey:key];
}
}
// Let's print everything as source code
[output release];
output = [[NSMutableString alloc] init];
for (NSDictionary *identifier in objects)
{
id object = [objects objectForKey:identifier];
// First, output any helper functions, ordered alphabetically
NSArray *orderedKeys = [object keysSortedByValueUsingSelector:@selector(caseInsensitiveCompare:)];
for (NSString *key in orderedKeys)
{
id value = [object objectForKey:key];
if ([key hasPrefix:@"__helper__"])
{
[output appendString:value];
[output appendString:@"\n"];
}
}
// Then, output the constructor and the frame
id klass = [object objectForKey:@"class"];
id constructor = [object objectForKey:@"constructor"];
id frame = [object objectForKey:@"frame"];
[output appendFormat:@"%@ *view%@ = %@;\n", klass, identifier, constructor];
[output appendFormat:@"view%@.frame = %@;\n", identifier, frame];
// Then, output the properties only, ordered alphabetically
orderedKeys = [[object allKeys] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
for (NSString *key in orderedKeys)
{
id value = [object objectForKey:key];
if (![key hasPrefix:@"__method__"] && ![key isEqualToString:@"frame"]
&& ![key isEqualToString:@"constructor"] && ![key isEqualToString:@"class"]
&& ![key hasPrefix:@"__helper__"])
{
[output appendFormat:@"view%@.%@ = %@;\n", identifier, key, value];
}
}
// Finally, output the method calls, ordered alphabetically
orderedKeys = [object keysSortedByValueUsingSelector:@selector(caseInsensitiveCompare:)];
for (NSString *key in orderedKeys)
{
id value = [object objectForKey:key];
if ([key hasPrefix:@"__method__"])
{
[output appendFormat:@"[view%@ %@];\n", identifier, value];
}
}
[output appendString:@"\n"];
}
// Now that the objects are created, recreate the hierarchy of the NIB
NSArray *nibHierarchy = [dictionary objectForKey:@"com.apple.ibtool.document.hierarchy"];
for (NSDictionary *item in nibHierarchy)
{
int currentView = [[item objectForKey:@"object-id"] intValue];
[self parseChildren:item ofCurrentView:currentView];
}
[objects release];
objects = nil;
}
- (void)parseChildren:(NSDictionary *)dict ofCurrentView:(int)currentView
{
NSArray *children = [dict objectForKey:@"children"];
if (children != nil)
{
for (NSDictionary *subitem in children)
{
int subview = [[subitem objectForKey:@"object-id"] intValue];
[self parseChildren:subitem ofCurrentView:subview];
[output appendFormat:@"[view%d addSubview:view%d];\n", currentView, subview];
}
}
}
@end
