Add the 3.3.3 sources for class-dump.

class-dump/src/CDSymbolReferences.m

+// -*- mode: ObjC -*-
+
+//  This file is part of class-dump, a utility for examining the Objective-C segment of Mach-O files.
+//  Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard.
+
+#import "CDSymbolReferences.h"
+
+@implementation CDSymbolReferences
+
+- (id)init;
+{
+    if ([super init] == nil)
+        return nil;
+
+    frameworkNamesByClassName = nil;
+    frameworkNamesByProtocolName = nil;
+
+    classes = [[NSMutableSet alloc] init];
+    protocols = [[NSMutableSet alloc] init];
+
+    return self;
+}
+
+- (void)dealloc;
+{
+    [frameworkNamesByClassName release];
+    [frameworkNamesByProtocolName release];
+
+    [classes release];
+    [protocols release];
+
+    [super dealloc];
+}
+
+- (void)setFrameworkNamesByClassName:(NSDictionary *)newValue;
+{
+    if (newValue == frameworkNamesByClassName)
+        return;
+
+    [frameworkNamesByClassName release];
+    frameworkNamesByClassName = [newValue retain];
+}
+
+- (void)setFrameworkNamesByProtocolName:(NSDictionary *)newValue;
+{
+    if (newValue == frameworkNamesByProtocolName)
+        return;
+
+    [frameworkNamesByProtocolName release];
+    frameworkNamesByProtocolName = [newValue retain];
+}
+
+- (NSString *)frameworkForClassName:(NSString *)aClassName;
+{
+    return [frameworkNamesByClassName objectForKey:aClassName];
+}
+
+- (NSString *)frameworkForProtocolName:(NSString *)aProtocolName;
+{
+    return [frameworkNamesByProtocolName objectForKey:aProtocolName];
+}
+
+- (NSArray *)classes;
+{
+    return [[classes allObjects] sortedArrayUsingSelector:@selector(compare:)];
+}
+
+- (void)addClassName:(NSString *)aClassName;
+{
+    [classes addObject:aClassName];
+}
+
+- (void)removeClassName:(NSString *)aClassName;
+{
+    if (aClassName != nil)
+        [classes removeObject:aClassName];
+}
+
+- (NSArray *)protocols;
+{
+    return [[protocols allObjects] sortedArrayUsingSelector:@selector(compare:)];
+}
+
+- (void)addProtocolName:(NSString *)aProtocolName;
+{
+    [protocols addObject:aProtocolName];
+}
+
+- (void)addProtocolNamesFromArray:(NSArray *)protocolNames;
+{
+    [protocols addObjectsFromArray:protocolNames];
+}
+
+- (NSString *)description;
+{
+    return [NSString stringWithFormat:@"<%@:%p> frameworkNamesByClassName: %@, frameworkNamesByProtocolName: %@, classes: %@, protocols: %@",
+                     NSStringFromClass([self class]), self,
+                     frameworkNamesByClassName, frameworkNamesByProtocolName,
+                     [self classes], [self protocols]];
+}
+
+- (void)_appendToString:(NSMutableString *)resultString;
+{
+    NSArray *names;
+
+    names = [self protocols];
+    for (NSString *name in names) {
+        NSString *str;
+
+        str = [self importStringForProtocolName:name];
+        if (str != nil)
+            [resultString appendString:str];
+    }
+    if ([names count] > 0)
+        [resultString appendString:@"\n"];
+
+    names = [self classes];
+    if ([names count] > 0) {
+        [resultString appendFormat:@"@class %@;\n\n", [names componentsJoinedByString:@", "]];
+    }
+}
+
+- (NSString *)referenceString;
+{
+    NSMutableString *referenceString;
+
+    referenceString = [[[NSMutableString alloc] init] autorelease];
+    [self _appendToString:referenceString];
+
+    if ([referenceString length] == 0)
+        return nil;
+
+    return referenceString;
+}
+
+- (void)removeAllReferences;
+{
+    [classes removeAllObjects];
+    [protocols removeAllObjects];
+}
+
+- (NSString *)importStringForClassName:(NSString *)aClassName;
+{
+    if (aClassName != nil) {
+        NSString *framework;
+
+        framework = [self frameworkForClassName:aClassName];
+        if (framework == nil)
+            return [NSString stringWithFormat:@"#import \"%@.h\"\n", aClassName];
+        else
+            return [NSString stringWithFormat:@"#import <%@/%@.h>\n", framework, aClassName];
+    }
+
+    return nil;
+}
+
+- (NSString *)importStringForProtocolName:(NSString *)aProtocolName;
+{
+    if (aProtocolName != nil) {
+        NSString *framework;
+
+        framework = [self frameworkForClassName:aProtocolName];
+        if (framework == nil)
+            return [NSString stringWithFormat:@"#import \"%@-Protocol.h\"\n", aProtocolName];
+        else
+            return [NSString stringWithFormat:@"#import <%@/%@-Protocol.h>\n", framework, aProtocolName];
+    }
+
+    return nil;
+}
+
+@end