Bento4 MP4 SDK: Ap4String.h Source File

Bento4 MP4 SDK

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Ap4String.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - Strings
00004 |
00005 |    Copyright 2002-2008 Axiomatic Systems, LLC
00006 |
00007 |
00008 |    This file is part of Bento4/AP4 (MP4 Atom Processing Library).
00009 |
00010 |    Unless you have obtained Bento4 under a difference license,
00011 |    this version of Bento4 is Bento4|GPL.
00012 |    Bento4|GPL is free software; you can redistribute it and/or modify
00013 |    it under the terms of the GNU General Public License as published by
00014 |    the Free Software Foundation; either version 2, or (at your option)
00015 |    any later version.
00016 |
00017 |    Bento4|GPL is distributed in the hope that it will be useful,
00018 |    but WITHOUT ANY WARRANTY; without even the implied warranty of
00019 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020 |    GNU General Public License for more details.
00021 |
00022 |    You should have received a copy of the GNU General Public License
00023 |    along with Bento4|GPL; see the file COPYING.  If not, write to the
00024 |    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
00025 |    02111-1307, USA.
00026 |
00027 ****************************************************************/
00028 
00029 #ifndef _AP4_STRING_H_
00030 #define _AP4_STRING_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Config.h"
00036 #include "Ap4Types.h"
00037 
00038 /*----------------------------------------------------------------------
00039 |   AP4_String
00040 +---------------------------------------------------------------------*/
00041 class AP4_String
00042 {
00043 public:
00044     // constructors
00045     AP4_String();
00046     AP4_String(const char* s);
00047     AP4_String(const char* s, AP4_Size size);
00048     AP4_String(const AP4_String& s);
00049     explicit AP4_String(AP4_Size size);
00050 
00051     // destructor
00052     ~AP4_String();
00053 
00054     // operators
00055     const AP4_String& operator=(const AP4_String& s);
00056     const AP4_String& operator=(const char* s);
00057     char operator[](unsigned int index) const {
00058         return m_Chars[index];
00059     }
00060     bool operator==(const AP4_String& s) const;
00061     bool operator!=(const AP4_String& s) const { return !(*this == s); }
00062     bool operator==(const char* s) const;
00063     bool operator!=(const char* s) const { return !(*this == s); }
00064 
00065     // methods
00066     AP4_Size    GetLength() const { return m_Length; }
00067     const char* GetChars() const  { return m_Chars;  }
00068     char*       UseChars()        { return m_Chars;  }
00069     void        Assign(const char* chars, AP4_Size size);
00070     int         Find(char c, unsigned int start = 0) const;
00071     
00072 private:
00073     // class members
00074     static char EmptyString;
00075 
00076     // members
00077     char*    m_Chars;
00078     AP4_Size m_Length;
00079 };
00080 
00081 #endif // _AP4_STRING_H_
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