axmol/cocos/deprecated/CCString.h

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

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,
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****************************************************************************/

#ifndef __CCSTRING_H__
#define __CCSTRING_H__
/// @cond DO_NOT_SHOW

#if (CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY)
#include <string.h>
#endif

#include <stdarg.h>
#include <string>
#include <functional>
#include "deprecated/CCArray.h"
#include "base/CCRef.h"

// We need to include `StringUtils::format()` and `StringUtils::toString()`
// for keeping the backward compatibility
#include "base/ccUTF8.h"

NS_CC_BEGIN

/**
 * @addtogroup data_structures
 * @{
 */

class CC_DLL __String : public Ref, public Clonable
{
public:
    /**
     * @js NA
     * @lua NA
     */
    __String();
    /**
     * @js NA
     * @lua NA
     */
    __String(const char* str);
    /**
     * @js NA
     * @lua NA
     */
    __String(const std::string& str);
    /**
     * @js NA
     * @lua NA
     */
    __String(const __String& str);
    /**
     * @js NA
     * @lua NA
     */
    virtual ~__String();
    
    /* override assignment operator 
     * @js NA
     * @lua NA
     */
    __String& operator= (const __String& other);

    /** init a string with format, it's similar with the c function 'sprintf' 
     * @js NA
     * @lua NA
     */
    bool initWithFormat(const char* format, ...) CC_FORMAT_PRINTF(2, 3);

    /** convert to int value 
     * @js NA
     */
    int intValue() const;

    /** convert to unsigned int value 
     * @js NA
     */
    unsigned int uintValue() const;

    /** convert to float value 
     * @js NA
     */
    float floatValue() const;

    /** convert to double value 
     * @js NA
     */
    double doubleValue() const;

    /** convert to bool value 
     * @js NA
     */
    bool boolValue() const;

    /** get the C string 
     * @js NA
     */
    const char* getCString() const;

    /** get the length of string 
     * @js NA
     */
    int length() const;

    /** compare to a c string 
     * @js NA
     */
    int compare(const char *) const;

    /** append additional characters at the end of its current value 
     * @js NA
     * @lua NA
     */
    void append(const std::string& str);

    /** append(w/ format) additional characters at the end of its current value 
     * @js NA
     * @lua NA
     */
    void appendWithFormat(const char* format, ...);

    /** split a string 
     * @js NA
     * @lua NA
     */
    __Array* componentsSeparatedByString(const char *delimiter);
    
    /* override functions 
     * @js NA
     */
    virtual bool isEqual(const Ref* pObject);

    /** create a string with std string, you can also pass a c string pointer because the default constructor of std::string can access a c string pointer. 
     *  @return A String pointer which is an autorelease object pointer,
     *          it means that you needn't do a release operation unless you retain it.
     * @js NA
     */
    static __String* create(const std::string& str);

    /** create a string with format, it's similar with the c function 'sprintf', the default buffer size is (1024*100) bytes,
     *  if you want to change it, you should modify the kMax__StringLen macro in __String.cpp file.
     *  @return A String pointer which is an autorelease object pointer,
     *          it means that you needn't do a release operation unless you retain it.
     * @js NA
     */
    static __String* createWithFormat(const char* format, ...) CC_FORMAT_PRINTF(1, 2);

    /** create a string with binary data 
     *  @return A String pointer which is an autorelease object pointer,
     *          it means that you needn't do a release operation unless you retain it.
     * @js NA
     */
    static __String* createWithData(const unsigned char* pData, size_t nLen);

    /** create a string with a file, 
     *  @return A String pointer which is an autorelease object pointer,
     *          it means that you needn't do a release operation unless you retain it.
     * @js NA
     */
    static __String* createWithContentsOfFile(const std::string& filename);
    /**
     * @js NA
     * @lua NA
     */
    virtual void acceptVisitor(DataVisitor &visitor);
    /**
     * @js NA
     * @lua NA
     */
    virtual __String* clone() const override;
    
private:

    /** only for internal use */
    bool initWithFormatAndValist(const char* format, va_list ap);

public:
    std::string _string;
};

struct StringCompare : public std::binary_function<__String *, __String *, bool> {
    public:
        bool operator() (__String * a, __String * b) const {
            return strcmp(a->getCString(), b->getCString()) < 0;
        }
};

#define StringMake(str) String::create(str)
#define ccs             StringMake

// end of data_structure group
/// @}

NS_CC_END

/// @endcond
#endif //__CCSTRING_H__