nstring.h

奇迹世界公用文件源代码,研究网络游戏的朋友可以研究下

#ifndef N_STRING_H
#define N_STRING_H
//------------------------------------------------------------------------------
/**
    @胶飘傅 努贰胶 

    @author
    - RadonLabs GmbH 

    @since
    - 2005.6.13
    @remarks
    - 瘤肯 眠啊 
*/
//------------------------------------------------------------------------------

#pragma once
#include "../ProgramCommon/Define.h"
#include <ctype.h>
#include <string.h>
//#using <mscorlib.dll>
//using namespace System;

#include "Narray.h"


class nString
{
public:
    /// constructor
    nString();
    /// constructor 1
    nString(const char* str);
    /// copy constructor
    nString(const nString& rhs);
    /// set to int val
    nString(int intVal);
    /// set to float val
    nString(float floatVal);
    /// destructor
    ~nString();
    /// = operator
    nString& operator=(const nString& rhs);
    /// = operator with string
    nString& operator=(const char* rhs);
    /// += operator with char*
    nString& operator+=(const char* rhs);
    /// += operator with string
    nString& operator+=(const nString& rhs);
    /// Is `a' equal to `b'?
    friend bool operator == (const nString& a, const nString& b);
    /// Is `a' inequal to `b'?
    friend bool operator != (const nString& a, const nString& b);
    /// Subscript operator (read only).
    const char operator[](int i) const;
    /// Subscript operator (writeable).
    char& operator[](int i);
    /// set as char ptr, with explicit length
    void Set(const char* ptr, int length);
    /// set as char ptr
    void Set(const char* str);
    /// set as int value
    void SetInt(int val);
    /// set as float value
    void SetFloat(float val);
    /// get string as char ptr
    const char* Get() const;
    /// return content as integer
    int AsInt() const;
    /// return content as float
    float AsFloat() const;
    /// return length of string
    int Length() const;
    /// clear the string
    void Clear();
    /// return true if string object is empty
    bool IsEmpty() const;
    /// append character pointer
    void Append(const char* str);
    /// append string
    void Append(const nString& str);
    /// append a range of characters
    void AppendRange(const char* str, uint numChars);
    /// append int value
    void AppendInt(int val);
    /// append float value
    void AppendFloat(float val);
    /// convert string to lower case
	void ToLower();
    /// convert string to upper case
	void ToUpper();
    /// get first token (this will destroy the string)
    const char* GetFirstToken(const char* whiteSpace);
    /// get next token (this will destroy the string)
    const char* GetNextToken(const char* whiteSpace);
    /// tokenize string into a provided nString array
    int Tokenize(const char* whiteSpace, nArray<nString>& tokens) const;
    /// extract substring
    nString ExtractRange(int from, int to) const;
    /// terminate string at first occurence of character in set
    void Strip(const char* charSet);
    /// Index of first appearance of `v' starting from index `startIndex'.
    int IndexOf(const nString& v, int startIndex) const;
    /// return index of character in string
    int FindChar(unsigned char c, int startIndex) const;
    /// terminate string at given index
    void TerminateAtIndex(int index);
    /// strip slash at end of path, if exists
    void StripTrailingSlash();
    /// delete characters from charset at left side of string
    nString TrimLeft(const char* charSet) const;
    /// delete characters from charset at right side of string
    nString TrimRight(const char* charSet) const;
    /// trim characters from charset at both sides of string
    nString Trim(const char* charSet) const;
    /// substitute every occurance of a string with another string
    nString Substitute(const char* str, const char* substStr) const;
    /// convert string inplace from UTF-8 to 8-bit ANSI
    void UTF8toANSI();
    /// convert ANSI to UTF-8 in place
    void ANSItoUTF8();
    /// get pointer to extension (without the dot)
    const char* GetExtension() const;
    /// check if extension matches (no dot in the extension!)
    bool CheckExtension(const char* ext) const;
    /// convert backslashes to slashes
    void ConvertBackslashes();
    /// remove extension
    void StripExtension();
    /// extract the part after the last directory separator
    nString ExtractFileName() const;
    /// extract the last directory of the path
    nString ExtractLastDirName() const;
    /// extract the part before the last directory separator
    nString ExtractDirName() const;
    /// extract path until last slash
    nString ExtractToLastSlash() const;
    /// check if this string matches the given pattern
   // bool MatchPattern(const nString& pattern) const;
    /// 箭磊 牢瘤 八荤 
    bool IsNumberic();


protected:
    /// copy contents
    void Copy(const nString& src);
    /// delete contents
    void Delete();
    /// get pointer to last directory separator
    char* GetLastSlash() const;

    enum
    {
        LOCALSTRINGSIZE = 14,
    };
    char* string;
    char localString[LOCALSTRINGSIZE];
    ushort strLen;
};

//------------------------------------------------------------------------------
/** global
*/
/*
bool 
n_strmatch(const char* str, const char* pat)
{
    char c2;

    while (true) 
    {
        if (*pat == 0) 
        {
            if (*str == 0) return true;
            else           return false;
        }
        if ((*str == 0) && (*pat != '*')) return false;
        if (*pat=='*') 
        {
            pat++;
            if (*pat==0) return true;
            while (true) 
            {
                if (n_strmatch(str, pat)) return true;
                if (*str==0) return false;
                str++;
            }
        }
        if (*pat=='?') goto match;
        if (*pat=='[') 
        {
            pat++;
            while (true) 
            {
                if ((*pat==']') || (*pat==0)) return false;
                if (*pat==*str) break;
                if (pat[1] == '-') 
                {
                    c2 = pat[2];
                    if (c2==0) return false;
                    if ((*pat<=*str) && (c2>=*str)) break;
                    if ((*pat>=*str) && (c2<=*str)) break;
                    pat+=2;
                }
                pat++;
            }
            while (*pat!=']') 
            {
                if (*pat==0) 
                {
                    pat--;
                    break;
                }
                pat++;
            }
            goto match;
        }

        if (*pat=='\\') 
        {
            pat++;
            if (*pat==0) return false;
        }
        if (*pat!=*str) return false;

match:
        pat++;
        str++;
    }
}
*/
//------------------------------------------------------------------------------
/**
*/
inline
nString::nString() :
    string(0),
    strLen(0)
{
    this->localString[0] = 0;
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::Delete()
{
    if (this->string)
    {
        free((void*) this->string);
        this->string = 0;
    }
    this->localString[0] = 0;
}

//------------------------------------------------------------------------------
/**
*/
inline
nString::~nString()
{
    this->Delete();
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::Set(const char* str, int length)
{
    this->Delete();
    if (str)
    {
        this->strLen = length;
        char* ptr = this->localString;
        if (strLen >= LOCALSTRINGSIZE)
        {
            ptr = (char*) malloc(strLen + 1);
            this->string = ptr;
        }
        else
        {
            ptr = this->localString;
        }
        int i;
        for (i = 0; i < strLen; i++)
        {
            *ptr++ = *str++;
        }
        *ptr = 0;
    }
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::Set(const char* str)
{
    int len = 0;
    if (str)
    {
        len = strlen(str);
    }
    this->Set(str, len);
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::SetInt(int val)
{
    char buf[128];
    _snprintf(buf, sizeof(buf), "%d", val);
    this->Set(buf);
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::SetFloat(float val)
{
    char buf[128];
    _snprintf(buf, sizeof(buf), "%.6f", val);
    this->Set(buf);
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::Copy(const nString& src)
{
    ASSERT(0 == this->string);
    const char* str = src.Get();
    if (str)
    {
        this->Set(str);
    }
}

//------------------------------------------------------------------------------
/**
*/
inline
nString::nString(const char* str) :
    string(0),
    strLen(0)
{
    this->localString[0] = 0;
    this->Set(str);
}

//------------------------------------------------------------------------------
/**
*/
inline
nString::nString(const nString& rhs) :
    string(0),
    strLen(0)
{
    this->localString[0] = 0;
    this->Copy(rhs);
}

//------------------------------------------------------------------------------
/**
*/
inline
nString::nString(int intVal) :
    string(0),
    strLen(0)
{
    this->SetInt(intVal);
}

//------------------------------------------------------------------------------
/**
*/
inline
nString::nString(float floatVal) :
    string(0),
    strLen(0)
{
    this->SetFloat(floatVal);
}

//------------------------------------------------------------------------------
/**
*/
inline
const char*
nString::Get() const
{
    if (this->string)
    {
        return this->string;
    }
    else if (this->localString[0])
    {
        return this->localString;
    }
    else
    {
        return "";
    }
}

//------------------------------------------------------------------------------
/**
*/
inline
nString&
nString::operator=(const nString& rhs)
{
    if (&rhs != this)
    {
        this->Delete();
        this->Copy(rhs);
    }
    return *this;
}

//------------------------------------------------------------------------------
/**
*/
inline
nString&
nString::operator=(const char* rhs)
{
    this->Set(rhs);
    return *this;
}

//------------------------------------------------------------------------------
/**
*/
inline
void
nString::AppendRange(const char* str, uint numChars)
{
    ASSERT(str);
    if (numChars > 0)
    {
        ushort rlen = numChars;
        ushort tlen = this->strLen + rlen;
        if (this->string)
        {
            char* ptr = (char*) malloc(tlen + 1);
            strcpy(ptr, this->string);
            strncat(ptr, str, numChars);