axmol/cocos/2d/platform/apple/CCFileUtilsApple.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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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#import <Foundation/Foundation.h>

#include <string>
#include <stack>
#include "CCString.h"
#include "CCFileUtils.h"
#include "CCDirector.h"
#include "CCSAXParser.h"
#include "CCDictionary.h"
#include "unzip.h"

#include "CCFileUtilsApple.h"

NS_CC_BEGIN

static void addValueToDict(id nsKey, id nsValue, ValueMap& dict);
static void addObjectToNSDict(const std::string& key, Value& value, NSMutableDictionary *dict);

static void addItemToArray(id item, ValueVector& array)
{
    // add string value into array
    if ([item isKindOfClass:[NSString class]])
    {
        array.push_back(Value([item UTF8String]));
        return;
    }
    
    // add number value into array(such as int, float, bool and so on)
    if ([item isKindOfClass:[NSNumber class]])
    {
        array.push_back(Value([item doubleValue]));
        return;
    }
    
    // add dictionary value into array
    if ([item isKindOfClass:[NSDictionary class]])
    {
        ValueMap dict;
        for (id subKey in [item allKeys])
        {
            id subValue = [item objectForKey:subKey];
            addValueToDict(subKey, subValue, dict);
        }
        
        array.push_back(Value(dict));
        return;
    }
    
    // add array value into array
    if ([item isKindOfClass:[NSArray class]])
    {
        ValueVector subArray;
        for (id subItem in item)
        {
            addItemToArray(subItem, subArray);
        }
        array.push_back(Value(subArray));
        return;
    }
}

static void addObjectToNSArray(Value& value, NSMutableArray *array)
{
    // add string into array
    if (value.getType() == Value::Type::STRING)
    {
        NSString *strElement = [NSString stringWithCString:value.asString().c_str() encoding:NSUTF8StringEncoding];
        [array addObject:strElement];
        return;
    }
    
    // add array into array
    if (value.getType() == Value::Type::VECTOR)
    {
        NSMutableArray *arrElement = [NSMutableArray array];
        
        ValueVector valueArray = value.asValueVector();
        
        std::for_each(valueArray.begin(), valueArray.end(), [=](Value& e){
            addObjectToNSArray(e, arrElement);
        });
        
        [array addObject:arrElement];
        return;
    }
    
    // add dictionary value into array
    if (value.getType() == Value::Type::MAP)
    {
        NSMutableDictionary *dictElement = [NSMutableDictionary dictionary];

        auto valueDict = value.asValueMap();
        for (auto iter = valueDict.begin(); iter != valueDict.end(); ++iter)
        {
            addObjectToNSDict(iter->first, iter->second, dictElement);
        }
        
        [array addObject:dictElement];
    }
}

static void addValueToDict(id nsKey, id nsValue, ValueMap& dict)
{
    // the key must be a string
    CCASSERT([nsKey isKindOfClass:[NSString class]], "The key should be a string!");
    std::string key = [nsKey UTF8String];
    
    // the value is a string
    if ([nsValue isKindOfClass:[NSString class]])
    {
        dict[key] = Value([nsValue UTF8String]);
        return;
    }
    
    // the value is a number
    if ([nsValue isKindOfClass:[NSNumber class]])
    {
        dict[key] = Value([nsValue doubleValue]);
        return;
    }
    
    // the value is a new dictionary
    if ([nsValue isKindOfClass:[NSDictionary class]])
    {
        ValueMap subDict;
        
        for (id subKey in [nsValue allKeys])
        {
            id subValue = [nsValue objectForKey:subKey];
            addValueToDict(subKey, subValue, subDict);
        }
        dict[key] = Value(subDict);
        return;
    }
    
    // the value is a array
    if ([nsValue isKindOfClass:[NSArray class]])
    {
        ValueVector valueArray;

        for (id item in nsValue)
        {
            addItemToArray(item, valueArray);
        }
        dict[key] = Value(valueArray);
        return;
    }
}

static void addObjectToNSDict(const std::string& key, Value& value, NSMutableDictionary *dict)
{
    NSString *NSkey = [NSString stringWithCString:key.c_str() encoding:NSUTF8StringEncoding];
    
    // the object is a Dictionary
    if (value.getType() == Value::Type::MAP)
    {
        NSMutableDictionary *dictElement = [NSMutableDictionary dictionary];
        ValueMap subDict = value.asValueMap();
        for (auto iter = subDict.begin(); iter != subDict.end(); ++iter)
        {
            addObjectToNSDict(iter->first, iter->second, dictElement);
        }
        
        [dict setObject:dictElement forKey:NSkey];
        return;
    }
    
    // the object is a String
    if (value.getType() == Value::Type::STRING)
    {
        NSString *strElement = [NSString stringWithCString:value.asString().c_str() encoding:NSUTF8StringEncoding];
        [dict setObject:strElement forKey:NSkey];
        return;
    }
    
    // the object is a Array
    if (value.getType() == Value::Type::VECTOR)
    {
        NSMutableArray *arrElement = [NSMutableArray array];
        
        ValueVector array = value.asValueVector();
        
        std::for_each(array.begin(), array.end(), [=](Value& v){
            addObjectToNSArray(v, arrElement);
        });

        [dict setObject:arrElement forKey:NSkey];
        return;
    }
}


#pragma mark - FileUtils

static NSFileManager* s_fileManager = [NSFileManager defaultManager];

FileUtils* FileUtils::getInstance()
{
    if (s_sharedFileUtils == NULL)
    {
        s_sharedFileUtils = new FileUtilsApple();
        if(!s_sharedFileUtils->init())
        {
          delete s_sharedFileUtils;
          s_sharedFileUtils = NULL;
          CCLOG("ERROR: Could not init CCFileUtilsApple");
        }
    }
    return s_sharedFileUtils;
}


std::string FileUtilsApple::getWritablePath() const
{
    // 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 FileUtilsApple::isFileExist(const std::string& strFilePath) const
{
    if(strFilePath.length() == 0)
    {
        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 FileUtilsApple::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 "";
}

ValueMap FileUtilsApple::getValueMapFromFile(const std::string& filename)
{
    std::string fullPath = fullPathForFilename(filename);
    NSString* path = [NSString stringWithUTF8String:fullPath.c_str()];
    NSDictionary* dict = [NSDictionary dictionaryWithContentsOfFile:path];
    
    ValueMap ret;
    
    if (dict != nil)
    {
        for (id key in [dict allKeys])
        {
            id value = [dict objectForKey:key];
            addValueToDict(key, value, ret);
        }
    }
    return ret;
}

bool FileUtilsApple::writeToFile(ValueMap& dict, const std::string &fullPath)
{
    //CCLOG("iOS||Mac Dictionary %d write to file %s", dict->_ID, fullPath.c_str());
    NSMutableDictionary *nsDict = [NSMutableDictionary dictionary];
    
    for (auto iter = dict.begin(); iter != dict.end(); ++iter)
    {
        addObjectToNSDict(iter->first, iter->second, nsDict);
    }
    
    NSString *file = [NSString stringWithUTF8String:fullPath.c_str()];
    // do it atomically
    [nsDict writeToFile:file atomically:YES];
    
    return true;
}

ValueVector FileUtilsApple::getValueVectorFromFile(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 = fullPathForFilename(filename);
    NSString* path = [NSString stringWithUTF8String:fullPath.c_str()];
    NSArray* array = [NSArray arrayWithContentsOfFile:path];
    
    ValueVector ret;
    
    for (id value in array)
    {
        addItemToArray(value, ret);
    }
    
    return ret;
}

NS_CC_END