Logo Search packages:      
Sourcecode: scummvm version File versions

str.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2006 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/common/str.h $
 * $Id: str.h 22935 2006-06-05 17:36:08Z fingolfin $
 */

#ifndef COMMON_STRING_H
#define COMMON_STRING_H

#include "common/scummsys.h"
#include "common/array.h"

#include <assert.h>
#include <string.h>

namespace Common {

class String {
protected:
      char        *_str;
      int         _len;
      mutable int *_refCount;
      int         _capacity;

public:
#if !(defined(PALMOS_ARM) || defined(PALMOS_DEBUG) || defined(__GP32__))
      static const String emptyString;
#else
      static const char *emptyString;
#endif

      String() : _str(0), _len(0), _refCount(0), _capacity(0) {}
      String(const char *str, int len = -1, int capacity = 16);
      String(const String &str);
      virtual ~String();

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

      bool operator ==(const String &x) const;
      bool operator ==(const char *x) const;
      bool operator !=(const String &x) const;
      bool operator !=(const char *x) const;
      bool operator <(const String &x) const;
      bool operator <=(const String &x) const;
      bool operator >(const String &x) const;
      bool operator >=(const String &x) const;

      bool hasSuffix(const char *x) const;
      bool hasPrefix(const char *x) const;

      const char *c_str() const           { return _str ? _str : ""; }
      uint size() const                   { return _len; }

      bool empty() const      { return (_len == 0); }
      char lastChar() const   { return (_len > 0) ? _str[_len-1] : 0; }

      char operator [](int idx) const {
            assert(_str && idx >= 0 && idx < _len);
            return _str[idx];
      }

      char &operator [](int idx) {
            assert(_str && idx >= 0 && idx < _len);
            return _str[idx];
      }

      void deleteLastChar();
      void deleteChar(int p);
      void clear();
      void insertChar(char c, int p);

      void toLowercase();
      void toUppercase();

public:
      typedef char *        iterator;
      typedef const char *  const_iterator;

      iterator          begin() {
            return _str;
      }

      iterator          end() {
            return begin() + size();
      }

      const_iterator    begin() const {
            return _str;
      }

      const_iterator    end() const {
            return begin() + size();
      }

protected:
      void ensureCapacity(int new_len, bool keep_old);
      void incRefCount() const;
      void decRefCount();
};

// Append two strings to form a new (temp) string
String operator +(const String &x, const String &y);
String operator +(const char *x, const String &y);
String operator +(const String &x, const char *y);

// Some useful additional comparision operators for Strings
bool operator == (const char *x, const String &y);
bool operator != (const char *x, const String &y);

class StringList : public Array<String> {
public:
      void push_back(const char *str) {
            ensureCapacity(_size + 1);
            _data[_size++] = str;
      }

      void push_back(const String &str) {
            ensureCapacity(_size + 1);
            _data[_size++] = str;
      }
};

}     // End of namespace Common

#endif

Generated by  Doxygen 1.6.0   Back to index