Short program to get all objects with key = Title from Root.plist and save them to Root.strings file for localizing app settings

gistfile1.txt

#import <Foundation/Foundation.h>


BOOL isDictionary(id object);
BOOL isString(id object);
BOOL isArray(id object);

void addObjectForKeyToArray(NSString *key, id collection, NSMutableArray *array);
void addArrayObjectsForKeyToArray(NSString *searchKey, id collection, NSMutableArray *array);

void printHelp();

int main(int argc, char *argv[]) {
    
    NSAutoreleasePool *p = [[NSAutoreleasePool alloc] init];
    
    if (argc < 2) {
        printHelp();
        exit(1);
    }
    
    NSString *inputString,*plistDir,*outputFile;
    BOOL havePlistDir = NO;
    BOOL haveOutputFilename = NO;
    
    NSUInteger i = 1;
    
    BOOL wrongPath = NO;
    
    while (i<argc)
    {
        if (argv[i][0]!='-')
        {
            // not a parameter, treat as file name
            inputString = [NSString stringWithUTF8String:argv[i]];
            
            if(havePlistDir){
                havePlistDir = NO;
                plistDir = [inputString copy];
            }
            if(haveOutputFilename){
                haveOutputFilename = NO;
                outputFile = [inputString copy];
            }
            
            
        }
        else if (!strcmp("-f", argv[i]))
        {
            havePlistDir = YES;
        }
        else if (!strcmp("-o", argv[i]))
        {
            haveOutputFilename = YES;
        }
        else if (!strcmp("-?", argv[i]))
        {
            printHelp();
            exit(1);
        }
        
        
        i++;
    }
    
    if(plistDir){
        NSLog(@"plist directory :%@", plistDir);
    }
    
    if(outputFile){
        NSLog(@"output filename :%@", outputFile);
    }
    
    
    
    {
        NSString *plistDirectory = [NSString stringWithFormat:@"%@/Root.plist",plistDir];
        NSString *plistPath = [plistDirectory stringByExpandingTildeInPath];
        
        
        NSDictionary *plistData = [NSDictionary dictionaryWithContentsOfFile:plistPath];
//        NSLog(@"plist data \r%@",plistData);
        NSMutableArray *array = [NSMutableArray arrayWithCapacity:0];
        
        addObjectForKeyToArray(@"Title",plistData,array);
        addArrayObjectsForKeyToArray(@"Titles", plistData, array);
        
        if(array.count){
            NSMutableString *string = [NSMutableString stringWithCapacity:0];
            
            for (id object in array) {
                if(isString(object)){
                    [string appendFormat:@"\"%@\" =  \"%@\"\r\n\n",object,object];
                }
            }
            
            if(string.length){
                NSString *fileName = outputFile ?: @"Root.strings";
                NSError *error;
                
                if(![string writeToFile:[fileName stringByExpandingTildeInPath] atomically:YES encoding:NSUTF8StringEncoding error:&error]){
                    NSLog(@"error occured during writing to file %@", fileName);
                }else{
                    NSLog(@"successfully written all titles  to file :%@", fileName);
                }
                
            }
        }
    }
    
    [p release];
    return 0;
}

BOOL isDictionary(id object){
    return [object isKindOfClass:[NSDictionary class]];
}
BOOL isString(id object){
    return [object isKindOfClass:[NSString class]];
}
BOOL isArray(id object){
    return [object isKindOfClass:[NSArray class]];
}

void addArrayObjectsForKeyToArray(NSString *searchKey, id collection, NSMutableArray *array){
    if(isArray(collection)){
            for (id object in collection) {
                if(isDictionary(object))
                    addArrayObjectsForKeyToArray(searchKey,object,array);
                
            }
        }
        else if (isDictionary(collection)) {
            for (id key in collection) {
                id object = [collection objectForKey:key];
                
                if(isString(key) && isArray(object)){
                    if([key isEqualToString:searchKey]){
                        for (id arrayObj in object) {
                            [array addObject:arrayObj];
                        }
                    }
                    else{
                          addArrayObjectsForKeyToArray(searchKey,object,array);
                    }
                    
                }
                
                
            }
        }
}

void addObjectForKeyToArray(NSString *searchKey, id collection, NSMutableArray *array){
    
    if(isArray(collection)){
        for (id object in collection) {
            if(isDictionary(object))
                addObjectForKeyToArray(searchKey,object,array);
            
        }
    }
    else if (isDictionary(collection)) {
        for (id key in collection) {
            id object = [collection objectForKey:key];
            
            if(isString(object)){
          
                if([key isEqualToString:searchKey]) {[array addObject:object];}
            }
            else if (isDictionary(object)) {
                addObjectForKeyToArray(key,object,array);
            }
            else if (isArray(object)) {
                addObjectForKeyToArray(searchKey,object,array);
            }
        }
    }
}

void printHelp(){
    printf("Usage: Root.plist Title getter  [OPTIONS] ...\n\n");
    printf("    Options\n");
    printf("    -o filename             Output string file name, default Root.strings.\n");
    printf("    -f path                 Path to Root.plist file, default '.' \n");
}