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https://github.com/libretro/scummvm.git
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120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#ifndef COMMON_STRING_H
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#define COMMON_STRING_H
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#include "common/scummsys.h"
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#include "common/array.h"
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#include <assert.h>
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#include <string.h>
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namespace Common {
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class String {
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protected:
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char *_str;
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int _len;
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int *_refCount;
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int _capacity;
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public:
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static const String emptyString;
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String() : _str(0), _len(0), _capacity(0) { _refCount = new int(1); }
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String(const char *str, int len = -1);
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String(const String &str);
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virtual ~String();
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String &operator =(const char *str);
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String &operator =(const String &str);
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String &operator =(char c);
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String &operator +=(const char *str);
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String &operator +=(const String &str);
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String &operator +=(char c);
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bool operator ==(const String &x) const;
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bool operator ==(const char *x) const;
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bool operator !=(const String &x) const;
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bool operator !=(const char *x) const;
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bool operator <(const String &x) const;
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bool operator <=(const String &x) const;
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bool operator >(const String &x) const;
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bool operator >=(const String &x) const;
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bool hasSuffix(const char *x) const;
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bool hasPrefix(const char *x) const;
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const char *c_str() const { return _str ? _str : ""; }
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uint size() const { return _len; }
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bool isEmpty() const { return (_len == 0); }
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char lastChar() const { return (_len > 0) ? _str[_len-1] : 0; }
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char operator [](int idx) const {
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assert(_str && idx >= 0 && idx < _len);
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return _str[idx];
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}
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char &operator [](int idx) {
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assert(_str && idx >= 0 && idx < _len);
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return _str[idx];
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}
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void deleteLastChar();
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void deleteChar(int p);
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void clear();
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void insertChar(char c, int p);
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void toLowercase();
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void toUppercase();
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protected:
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void ensureCapacity(int new_len, bool keep_old);
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void decRefCount();
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};
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// Append two strings to form a new (temp) string
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String operator +(const String &x, const String &y);
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String operator +(const char *x, const String &y);
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String operator +(const String &x, const char *y);
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// Some useful additional comparision operators for Strings
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bool operator == (const char *x, const String &y);
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bool operator != (const char *x, const String &y);
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class StringList : public Array<String> {
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public:
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void push_back(const char *str) {
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ensureCapacity(_size + 1);
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_data[_size++] = str;
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}
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void push_back(const String &str) {
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ensureCapacity(_size + 1);
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_data[_size++] = str;
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}
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};
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} // End of namespace Common
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#endif
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