String.cpp

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/*! \file String.cpp
    \brief Chaine de carractère.

    Manipulation de chaine de carractère.

    \author     aerith (www.aerith.fr)
    \version    1.0
    \date       19/11/2007
*/

#include    "String.h"

String::String()
{
    Size    = 0;
    Data    = NULL;
}

String::~String()
{
    if(Data)
        delete Data;
}

int     String::size()
{
    return Size;
}

String  String::operator+(const String a)
{
    String  out;
    char    *Temp;

    out.Size = Size + a.Size;

    Temp = new char[out.Size + 1];
    strncpy(Temp, Data, Size);
    strncat(Temp, a.Data, a.Size);

    out.Data = Temp;

    return out;
}

String  String::operator+(const char *a)
{
    String  out;
    char    *Temp;

    out.Size = Size + strlen(a);

    Temp = new char[out.Size + 1];
    strncpy(Temp, Data, Size);
    strncat(Temp, a, strlen(a));

    out.Data = Temp;

    return out;
}

String  String::operator+(const char a)
{
    String  out;
    char    *Temp;

    out.Size = Size + 1;

    Temp = new char[out.Size + 1];
    strncpy(Temp, Data, Size);
    Temp[Size] = a;
    Temp[out.Size] = '\0';

    out.Data = Temp;

    return out;
}

void    String::operator=(const String a)
{
    Size = a.Size;
    delete Data;
    Data = new char[Size + 1];
    strncpy(Data, a.Data, Size);
}

void    String::operator=(const char *a)
{
    Size = strlen(a);
    delete Data;
    Data = new char[Size + 1];
    strncpy(Data, a, Size);
}

void    String::operator+=(const String a)
{
    Size += a.Size;
    Data = (char *)realloc(Data, sizeof(char) * (Size + 1));
    strncat(Data, a.Data, a.Size);
}

void    String::operator+=(const char *a)
{
    Size += strlen(a);
    Data = (char *)realloc(Data, sizeof(char) * (Size + 1));
    strncat(Data, a, strlen(a));
}

void    String::operator+=(const char a)
{
    Size += 1;
    Data = (char *)realloc(Data, sizeof(char) * (Size + 1));
    Data[Size - 1] = a;
    Data[Size] = '\0';
}

bool    String::operator==(const String a)
{
    if((!strcmp(Data, a.Data)) && (Size == a.Size))
        return 1;

    return 0;
}

bool    String::operator==(const char *a)
{
    if(!strcmp(Data, a))
        return 1;

    return 0;
}

bool    String::operator!=(const String a)
{
    if(strcmp(Data, a.Data))
        return 1;

    return 0;
}

bool    String::operator!=(const char *a)
{
    if(strcmp(Data, a))
        return 1;

    return 0;
}

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