root/axscript/ByteArrayGlue.h

INCLUDED FROM

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is [Open Source Virtual Machine.].
 *
 * The Initial Developer of the Original Code is
 * Adobe System Incorporated.
 * Portions created by the Initial Developer are Copyright (C) 2004-2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Adobe AS3 Team
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#ifndef BYTEARRAYGLUE_INCLUDED
#define BYTEARRAYGLUE_INCLUDED

namespace axtam
{
        class ByteArray
        {
        public:
                ByteArray();
                ByteArray(const ByteArray &lhs);
                ~ByteArray();

                U8 operator [] (uint32 index) const;
                U8& operator [] (uint32 index);
                void Push(U8 value);
                void Push(const U8 *buffer, uint32 count);
                uint32 GetLength() const { return m_length; }
                void SetLength(uint32 newLength);
                bool Grow(uint32 newCapacity);
                U8 *GetBuffer() const { return m_array; }

        protected:
                void ThrowMemoryError();

                uint32 m_capacity;
                uint32 m_length;
                U8 *m_array;

                enum { kGrowthIncr = 4096 };
        };

        class ByteArrayFile : public ByteArray, public DataInput, public DataOutput
        {
        public:
                ByteArrayFile(Toplevel *toplevel);
                virtual ~ByteArrayFile()
                {
                        m_filePointer = 0; 
                }

                uint32 GetFilePointer() { return m_filePointer; }
                void Seek(uint32 filePointer) { m_filePointer = filePointer; }
                void SetLength(uint32 newLength);
                uint32 Available();
                void Read(void *buffer, uint32 count);
                void Write(const void *buffer, uint32 count);
                
        private:
                uint32 m_filePointer;
        };
        class ByteArrayObject : public ScriptObject
        {
        public:
                ByteArrayObject(VTable *ivtable, ScriptObject *delegate);

                void fill(const void *b, int len);
        
                void checkNull(void *instance, const char *name);

                uint32 getLength() { return m_byteArray.GetLength(); }
                void setLength(uint32 newLength);

                virtual bool hasAtomProperty(Atom name) const;
                virtual void setAtomProperty(Atom name, Atom value);
                virtual Atom getAtomProperty(Atom name) const;
                virtual Atom getUintProperty(uint32 i) const;
                virtual void setUintProperty(uint32 i, Atom value);

                void readBytes(ByteArrayObject *bytes, uint32 offset, uint32 length);
                void writeBytes(ByteArrayObject *bytes, uint32 offset, uint32 length);

                String* _toString();

                // renamed to avoid preprocessor conflict with mozilla's zlib, which #define's compress and uncompress
                void zlib_compress();
                void zlib_uncompress();

                void writeBoolean(bool value);
                void writeByte(int value);
                void writeShort(int value);
                void writeInt(int value);
                void writeUnsignedInt(uint32 value);
                void writeFloat(double value);
                void writeDouble(double value);
                void writeUTF(String *value);
                void writeUTFBytes(String *value);
        
                bool readBoolean();
                int readByte();
                int readUnsignedByte();
                int readShort();
                int readUnsignedShort();
                int readInt();
                uint32 readUnsignedInt();
                double readFloat();
                double readDouble();
                String* readUTF();
                String* readUTFBytes(uint32 length);            
                
                int available();
                int getFilePointer();
                void seek(int offset);

                uint32 get_length();
                void set_length(uint32 value);

                Stringp get_endian();
                void set_endian(Stringp type);
                
                ByteArray& GetByteArray() { return m_byteArray; }

                void writeFile(Stringp filename);

        private:
                MMgc::Cleaner c;
                ByteArrayFile m_byteArray;
        };



        //
        // ByteArrayClass
        //
        
        class ByteArrayClass : public ClassClosure
        {
    public:
                ByteArrayClass(VTable *vtable);

                ScriptObject *createInstance(VTable *ivtable, ScriptObject *delegate);

                ByteArrayObject *readFile(Stringp filename);

                DECLARE_NATIVE_MAP(ByteArrayClass)
    };
}

#endif /* BYTEARRAYGLUE_INCLUDED */