string.hpp

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#ifndef __STRING_HPP__
#define __STRING_HPP__

/**********************************************************/
/*/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
/*
Copyright: 1998 - Aholab

Nombre fuente................ STRING.HPP
Nombre paquete............... -
Lenguaje fuente.............. C++
Estado....................... -
Dependencia Hard/OS.......... -
Codigo condicional........... -

Codificacion................. Borja Etxebarria

Version  dd/mm/aa  Autor     Comentario
-------  --------  --------  ----------
1.0.0    17/09/98  Borja     Codificacion inicial.

======================== Contenido ========================
<DOC>
Clase String simplificada, codificada desde 0.

Contiene lo minimo utilizado por otros modulos Aholab.
</DOC>
===========================================================
*/
/*/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
/**********************************************************/


#include <iostream>
#include <string.h>

class String {
private:
    char *buf;
protected:
public:
    String();
    String(const String& x);
    String(const char* t);
    String(const char* t, int len);
    String(char c);

    ~String();

    String& operator = (const String& y);
    String& operator = (const char* y);
    String& operator = (char c);

    String& operator += (const String& y);
    String& operator += (const char* t);
    String& operator += (char c);

    char& operator [] (int i);
    const char& operator [] (int i) const;

    operator const char*() const;
    const char* chars() const;

    unsigned int length() const;
    int empty() const;

    int index(char c, int startpos = 0) const;
    int index(const String& y, int startpos = 0) const;
    int index(const char* t, int startpos = 0) const;

    int contains(char c) const;
    int contains(const String& y) const;
    int contains(const char* t) const;

    int contains(char c, int pos) const;
    int contains(const String& y, int pos) const;
    int contains(const char* t, int pos) const;

    void upcase();
    friend String upcase(const String& x);

    int gsub(const char* pat, const char* repl);

    String before(int pos);
    String before(const String& x, int startpos = 0);
    String before(const char* t, int startpos = 0);
    String before(char c, int startpos = 0);
    String after(int pos);
    String after(const String& x, int startpos = 0);
    String after(const char* t, int startpos = 0);
    String after(char c, int startpos = 0);

    int OK() const;
};


String operator + (const String& x, const String& y);
String operator + (const String& x, const char* y);
String operator + (const String& x, char y);
String operator + (const char* x, const String& y);

int compare(const String& x, const String& y);
int compare(const String& x, const char* y);

int operator==(const String& x, const String& y);
int operator!=(const String& x, const String& y);
int operator>(const String& x, const String& y);
int operator>=(const String& x, const String& y);
int operator<(const String& x, const String& y);
int operator<=(const String& x, const String& y);
int operator==(const String& x, const char* t);
int operator!=(const String& x, const char* t);
int operator>(const String& x, const char* t);
int operator>=(const String& x, const char* t);
int operator<(const String& x, const char* t);
int operator<=(const String& x, const char* t);

String upcase(const String& x);

#endif

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