axmol/cocos/base/CCString.cpp

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

 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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 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
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 THE SOFTWARE.
 ****************************************************************************/

#include "CCString.h"
#include "platform/CCFileUtils.h"
#include "ccMacros.h"
#include <stdlib.h>
#include <stdio.h>
#include "CCArray.h"

NS_CC_BEGIN

#define kMaxStringLen (1024*100)

String::String()
    :_string("")
{}

String::String(const char * str)
    :_string(str)
{}

String::String(const std::string& str)
    :_string(str)
{}

String::String(const String& str)
    :_string(str.getCString())
{}

String::~String()
{
    CCLOGINFO("deallocing String: %p", this);

    _string.clear();
}

String& String::operator= (const String& other)
{
    _string = other._string;
    return *this;
}

bool String::initWithFormatAndValist(const char* format, va_list ap)
{
    bool bRet = false;
    char* pBuf = (char*)malloc(kMaxStringLen);
    if (pBuf != NULL)
    {
        vsnprintf(pBuf, kMaxStringLen, format, ap);
        _string = pBuf;
        free(pBuf);
        bRet = true;
    }
    return bRet;
}

bool String::initWithFormat(const char* format, ...)
{
    bool bRet = false;
    _string.clear();

    va_list ap;
    va_start(ap, format);

    bRet = initWithFormatAndValist(format, ap);

    va_end(ap);

    return bRet;
}

int String::intValue() const
{
    if (length() == 0)
    {
        return 0;
    }
    return atoi(_string.c_str());
}

unsigned int String::uintValue() const
{
    if (length() == 0)
    {
        return 0;
    }
    return (unsigned int)atoi(_string.c_str());
}

float String::floatValue() const
{
    if (length() == 0)
    {
        return 0.0f;
    }
    return (float)atof(_string.c_str());
}

double String::doubleValue() const
{
    if (length() == 0)
    {
        return 0.0;
    }
    return atof(_string.c_str());
}

bool String::boolValue() const
{
    if (length() == 0)
    {
        return false;
    }

    if (0 == strcmp(_string.c_str(), "0") || 0 == strcmp(_string.c_str(), "false"))
    {
        return false;
    }
    return true;
}

const char* String::getCString() const
{
    return _string.c_str();
}

unsigned int String::length() const
{
    return _string.length();
}

int String::compare(const char * pStr) const
{
    return strcmp(getCString(), pStr);
}

void String::append(const std::string& str)
{
    _string.append(str);
}

void String::appendWithFormat(const char* format, ...)
{
    va_list ap;
    va_start(ap, format);
    
    char* pBuf = (char*)malloc(kMaxStringLen);
    if (pBuf != NULL)
    {
        vsnprintf(pBuf, kMaxStringLen, format, ap);
        _string.append(pBuf);
        free(pBuf);
    }
    
    va_end(ap);
    
}

Array* String::componentsSeparatedByString(const char *delimiter)
{
    Array* result = Array::create();
    
    int cutAt;
    while( (cutAt = _string.find_first_of(delimiter)) != _string.npos )
    {
        if(cutAt > 0)
        {
            result->addObject(String::create(_string.substr(0, cutAt)));
        }
        _string = _string.substr(cutAt + 1);
    }
    
    if(_string.length() > 0)
    {
        result->addObject(String::create(_string));
    }
    
    return result;
}

bool String::isEqual(const Object* pObject)
{
    bool bRet = false;
    const String* pStr = dynamic_cast<const String*>(pObject);
    if (pStr != NULL)
    {
        if (0 == _string.compare(pStr->_string))
        {
            bRet = true;
        }
    }
    return bRet;
}

String* String::create(const std::string& str)
{
    String* ret = new String(str);
    ret->autorelease();
    return ret;
}

String* String::createWithData(const unsigned char* data, unsigned long nLen)
{
    String* ret = NULL;
    if (data != NULL)
    {
        char* pStr = (char*)malloc(nLen+1);
        if (pStr != NULL)
        {
            pStr[nLen] = '\0';
            if (nLen > 0)
            {
                memcpy(pStr, data, nLen);
            }
            
            ret = String::create(pStr);
            free(pStr);
        }
    }
    return ret;
}

String* String::createWithFormat(const char* format, ...)
{
    String* ret = String::create("");
    va_list ap;
    va_start(ap, format);
    ret->initWithFormatAndValist(format, ap);
    va_end(ap);

    return ret;
}

String* String::createWithContentsOfFile(const char* filename)
{
    long size = 0;
    unsigned char* data = 0;
    String* ret = NULL;
    data = FileUtils::getInstance()->getFileData(filename, "rb", &size);
    ret = String::createWithData(data, size);
    CC_SAFE_DELETE_ARRAY(data);
    return ret;
}

void String::acceptVisitor(DataVisitor &visitor)
{
    visitor.visit(this);
}

String* String::clone() const
{
    return String::create(_string);
}

NS_CC_END