CCString.cpp

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2017 Chukong Technologies
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "deprecated/CCString.h"
#include "platform/CCFileUtils.h"
#include "base/ccMacros.h"
#include <stdlib.h>
#include <stdio.h>
#include "deprecated/CCArray.h"
#include "base/ccUtils.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)
{
    if (this != &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 != nullptr)
    {
        vsnprintf(pBuf, kMaxStringLen, format, ap);
        _string = pBuf;
        free(pBuf);
        bRet = true;
    }
    return bRet;
}

bool __String::initWithFormat(const char* format, ...)
{
    _string.clear();

    va_list ap;
    va_start(ap, format);

    bool 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)utils::atof(_string.c_str());
}

double __String::doubleValue() const
{
    if (length() == 0)
    {
        return 0.0;
    }
    return utils::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();
}

int __String::length() const
{
    return static_cast<int>(_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 != nullptr)
    {
        vsnprintf(pBuf, kMaxStringLen, format, ap);
        _string.append(pBuf);
        free(pBuf);
    }
    
    va_end(ap);
    
}

__Array* __String::componentsSeparatedByString(const char *delimiter)
{
    __Array* result = __Array::create();
    std::string strTmp = _string;
    size_t cutAt;
    while( (cutAt = strTmp.find_first_of(delimiter)) != strTmp.npos )
    {
        if(cutAt > 0)
        {
            result->addObject(__String::create(strTmp.substr(0, cutAt)));
        }
        strTmp = strTmp.substr(cutAt + 1);
    }
    
    if(!strTmp.empty())
    {
        result->addObject(__String::create(strTmp));
    }
    
    return result;
}

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

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

__String* __String::createWithData(const unsigned char* data, size_t nLen)
{
    __String* ret = nullptr;
    if (data != nullptr)
    {
        char* pStr = (char*)malloc(nLen+1);
        if (pStr != nullptr)
        {
            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 std::string &filename)
{
    std::string str = FileUtils::getInstance()->getStringFromFile(filename);
    return __String::create(str);
}

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

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