axmol/cocos2dx/platform/ios/CCFileUtilsIOS.mm

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011      Zynga Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#import <Foundation/Foundation.h>
#import <UIKit/UIDevice.h>

#include <string>
#include <stack>
#include "cocoa/CCString.h"
#include "CCFileUtils.h"
#include "CCDirector.h"
#include "CCSAXParser.h"
#include "CCDictionary.h"
#include "support/zip_support/unzip.h"

#include "CCFileUtilsIOS.h"

NS_CC_BEGIN

static void addValueToDict(id key, id value, Dictionary* pDict);
static void addObjectToNSDict(const char*key, Object* object, NSMutableDictionary *dict);

static void addItemToArray(id item, Array *pArray)
{
    // add string value into array
    if ([item isKindOfClass:[NSString class]]) {
        String* pValue = new String([item UTF8String]);
        
        pArray->addObject(pValue);
        pValue->release();
        return;
    }
    
    // add number value into array(such as int, float, bool and so on)
    if ([item isKindOfClass:[NSNumber class]]) {
        NSString* pStr = [item stringValue];
        String* pValue = new String([pStr UTF8String]);
        
        pArray->addObject(pValue);
        pValue->release();
        return;
    }
    
    // add dictionary value into array
    if ([item isKindOfClass:[NSDictionary class]]) {
        Dictionary* pDictItem = new Dictionary();
        for (id subKey in [item allKeys]) {
            id subValue = [item objectForKey:subKey];
            addValueToDict(subKey, subValue, pDictItem);
        }
        pArray->addObject(pDictItem);
        pDictItem->release();
        return;
    }
    
    // add array value into array
    if ([item isKindOfClass:[NSArray class]]) {
        Array *pArrayItem = new Array();
        pArrayItem->init();
        for (id subItem in item) {
            addItemToArray(subItem, pArrayItem);
        }
        pArray->addObject(pArrayItem);
        pArrayItem->release();
        return;
    }
}

static void addObjectToNSArray(Object *object, NSMutableArray *array)
{
    // add string into array
    if (String *ccString = dynamic_cast<String *>(object)) {
        NSString *strElement = [NSString stringWithCString:ccString->getCString() encoding:NSUTF8StringEncoding];
        [array addObject:strElement];
        return;
    }
    
    // add array into array
    if (Array *ccArray = dynamic_cast<Array *>(object)) {
        NSMutableArray *arrElement = [NSMutableArray array];
        Object *element = NULL;
        CCARRAY_FOREACH(ccArray, element)
        {
            addObjectToNSArray(element, arrElement);
        }
        [array addObject:arrElement];
        return;
    }
    
    // add dictionary value into array
    if (Dictionary *ccDict = dynamic_cast<Dictionary *>(object)) {
        NSMutableDictionary *dictElement = [NSMutableDictionary dictionary];
        DictElement *element = NULL;
        CCDICT_FOREACH(ccDict, element)
        {
            addObjectToNSDict(element->getStrKey(), element->getObject(), dictElement);
        }
        [array addObject:dictElement];
    }

}

static void addValueToDict(id key, id value, Dictionary* pDict)
{
    // the key must be a string
    CCAssert([key isKindOfClass:[NSString class]], "The key should be a string!");
    std::string pKey = [key UTF8String];
    
    // the value is a new dictionary
    if ([value isKindOfClass:[NSDictionary class]]) {
        Dictionary* pSubDict = new Dictionary();
        for (id subKey in [value allKeys]) {
            id subValue = [value objectForKey:subKey];
            addValueToDict(subKey, subValue, pSubDict);
        }
        pDict->setObject(pSubDict, pKey.c_str());
        pSubDict->release();
        return;
    }
    
    // the value is a string
    if ([value isKindOfClass:[NSString class]]) {
        String* pValue = new String([value UTF8String]);
        
        pDict->setObject(pValue, pKey.c_str());
        pValue->release();
        return;
    }
    
    // the value is a number
    if ([value isKindOfClass:[NSNumber class]]) {
        NSString* pStr = [value stringValue];
        String* pValue = new String([pStr UTF8String]);
        
        pDict->setObject(pValue, pKey.c_str());
        pValue->release();
        return;
    }
    
    // the value is a array
    if ([value isKindOfClass:[NSArray class]]) {
        Array *pArray = new Array();
        pArray->init();
        for (id item in value) {
            addItemToArray(item, pArray);
        }
        pDict->setObject(pArray, pKey.c_str());
        pArray->release();
        return;
    }
}

static void addObjectToNSDict(const char * key, Object* object, NSMutableDictionary *dict)
{
    NSString *NSkey = [NSString stringWithCString:key encoding:NSUTF8StringEncoding];
    
    // the object is a Dictionary
    if (Dictionary *ccDict = dynamic_cast<Dictionary *>(object)) {
        NSMutableDictionary *dictElement = [NSMutableDictionary dictionary];
        DictElement *element = NULL;
        CCDICT_FOREACH(ccDict, element)
        {
            addObjectToNSDict(element->getStrKey(), element->getObject(), dictElement);
        }
        
        [dict setObject:dictElement forKey:NSkey];
        return;
    }
    
    // the object is a String
    if (String *element = dynamic_cast<String *>(object)) {
        NSString *strElement = [NSString stringWithCString:element->getCString() encoding:NSUTF8StringEncoding];
        [dict setObject:strElement forKey:NSkey];
        return;
    }
    
    // the object is a Array
    if (Array *ccArray = dynamic_cast<Array *>(object)) {
        NSMutableArray *arrElement = [NSMutableArray array];
        Object *element = NULL;
        CCARRAY_FOREACH(ccArray, element)
        {
            addObjectToNSArray(element, arrElement);
        }
        [dict setObject:arrElement forKey:NSkey];
        return;
    }
}

FileUtils* FileUtils::getInstance()
{
    if (s_sharedFileUtils == NULL)
    {
        s_sharedFileUtils = new FileUtilsIOS();
        s_sharedFileUtils->init();
    }
    return s_sharedFileUtils;
}


static NSFileManager* s_fileManager = [NSFileManager defaultManager];

std::string FileUtilsIOS::getWritablePath()
{
    // save to document folder
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    std::string strRet = [documentsDirectory UTF8String];
    strRet.append("/");
    return strRet;
}

bool FileUtilsIOS::isFileExist(const std::string& strFilePath)
{
    if (0 == strFilePath.length())
    {
        return false;
    }

    bool bRet = false;
    
    if (strFilePath[0] != '/')
    {
        std::string path;
        std::string file;
        size_t pos = strFilePath.find_last_of("/");
        if (pos != std::string::npos)
        {
            file = strFilePath.substr(pos+1);
            path = strFilePath.substr(0, pos+1);
        }
        else
        {
            file = strFilePath;
        }
        
        NSString* fullpath = [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:file.c_str()]
                                                             ofType:nil
                                                        inDirectory:[NSString stringWithUTF8String:path.c_str()]];
        if (fullpath != nil) {
            bRet = true;
        }
    }
    else
    {
        // Search path is an absolute path.
        if ([s_fileManager fileExistsAtPath:[NSString stringWithUTF8String:strFilePath.c_str()]]) {
            bRet = true;
        }
    }
    
    return bRet;
}

std::string FileUtilsIOS::getFullPathForDirectoryAndFilename(const std::string& strDirectory, const std::string& strFilename)
{
    if (strDirectory[0] != '/')
    {
        NSString* fullpath = [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:strFilename.c_str()]
                                                             ofType:nil
                                                        inDirectory:[NSString stringWithUTF8String:strDirectory.c_str()]];
        if (fullpath != nil) {
            return [fullpath UTF8String];
        }
    }
    else
    {
        std::string fullPath = strDirectory+strFilename;
        // Search path is an absolute path.
        if ([s_fileManager fileExistsAtPath:[NSString stringWithUTF8String:fullPath.c_str()]]) {
            return fullPath;
        }
    }
    return "";
}

bool FileUtilsIOS::isAbsolutePath(const std::string& strPath)
{
    NSString* path = [NSString stringWithUTF8String:strPath.c_str()];
    return [path isAbsolutePath] ? true : false;
}

Dictionary* FileUtilsIOS::createDictionaryWithContentsOfFile(const std::string& filename)
{
    std::string fullPath = FileUtils::getInstance()->fullPathForFilename(filename.c_str());
    NSString* pPath = [NSString stringWithUTF8String:fullPath.c_str()];
    NSDictionary* pDict = [NSDictionary dictionaryWithContentsOfFile:pPath];
    
    if (pDict != nil)
    {
        Dictionary* pRet = new Dictionary();
        for (id key in [pDict allKeys]) {
            id value = [pDict objectForKey:key];
            addValueToDict(key, value, pRet);
        }
        
        return pRet;
    }
    else
    {
        return NULL;
    }
}

bool FileUtilsIOS::writeToFile(Dictionary *dict, const std::string &fullPath)
{
    //CCLOG("iOS||Mac Dictionary %d write to file %s", dict->_ID, fullPath.c_str());
    NSMutableDictionary *nsDict = [NSMutableDictionary dictionary];
    
    DictElement *element = NULL;
    CCDICT_FOREACH(dict, element)
    {
        addObjectToNSDict(element->getStrKey(), element->getObject(), nsDict);
    }
    
    NSString *file = [NSString stringWithUTF8String:fullPath.c_str()];
    // do it atomically
    [nsDict writeToFile:file atomically:YES];
    
    return true;
}

Array* FileUtilsIOS::createArrayWithContentsOfFile(const std::string& filename)
{
    //    NSString* pPath = [NSString stringWithUTF8String:pFileName];
    //    NSString* pathExtension= [pPath pathExtension];
    //    pPath = [pPath stringByDeletingPathExtension];
    //    pPath = [[NSBundle mainBundle] pathForResource:pPath ofType:pathExtension];
    //    fixing cannot read data using Array::createWithContentsOfFile
    std::string fullPath = FileUtils::getInstance()->fullPathForFilename(filename.c_str());
    NSString* pPath = [NSString stringWithUTF8String:fullPath.c_str()];
    NSArray* pArray = [NSArray arrayWithContentsOfFile:pPath];
    
    Array* pRet = new Array();
    for (id value in pArray) {
        addItemToArray(value, pRet);
    }
    
    return pRet;
}

NS_CC_END