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/** 
 * @file llmessagereader.h
 * @brief Declaration of LLMessageReader class.
 *
 * $LicenseInfo:firstyear=2007&license=viewergpl$
 * 
 * Copyright (c) 2007, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlife.com/developers/opensource/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at http://secondlife.com/developers/opensource/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_LLMESSAGEREADER_H
#define LL_LLMESSAGEREADER_H

#include "stdtypes.h"

class LLHost;
class LLMessageBuilder;
class LLMsgData;
class LLQuaternion;
class LLUUID;
class LLVector3;
class LLVector3d;
class LLVector4;

class LLMessageReader
{
 public:

	virtual ~LLMessageReader();

	/** All get* methods expect pointers to canonical strings. */
	virtual void getBinaryData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX) = 0;
	virtual void getBOOL(const char *block, const char *var, BOOL &data, S32 blocknum = 0) = 0;
	virtual void getS8(const char *block, const char *var, S8 &data, S32 blocknum = 0) = 0;
	virtual void getU8(const char *block, const char *var, U8 &data, S32 blocknum = 0) = 0;
	virtual void getS16(const char *block, const char *var, S16 &data, S32 blocknum = 0) = 0;
	virtual void getU16(const char *block, const char *var, U16 &data, S32 blocknum = 0) = 0;
	virtual void getS32(const char *block, const char *var, S32 &data, S32 blocknum = 0) = 0;
	virtual void getF32(const char *block, const char *var, F32 &data, S32 blocknum = 0) = 0;
	virtual void getU32(const char *block, const char *var, U32 &data, S32 blocknum = 0) = 0;
	virtual void getU64(const char *block, const char *var, U64 &data, S32 blocknum = 0) = 0;
	virtual void getF64(const char *block, const char *var, F64 &data, S32 blocknum = 0) = 0;
	virtual void getVector3(const char *block, const char *var, LLVector3 &vec, S32 blocknum = 0) = 0;
	virtual void getVector4(const char *block, const char *var, LLVector4 &vec, S32 blocknum = 0) = 0;
	virtual void getVector3d(const char *block, const char *var, LLVector3d &vec, S32 blocknum = 0) = 0;
	virtual void getQuat(const char *block, const char *var, LLQuaternion &q, S32 blocknum = 0) = 0;
	virtual void getUUID(const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0) = 0;
	virtual void getIPAddr(const char *block, const char *var, U32 &ip, S32 blocknum = 0) = 0;
	virtual void getIPPort(const char *block, const char *var, U16 &port, S32 blocknum = 0) = 0;
	virtual void getString(const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0) = 0;

	virtual S32	getNumberOfBlocks(const char *blockname) = 0;
	virtual S32	getSize(const char *blockname, const char *varname) = 0;
	virtual S32	getSize(const char *blockname, S32 blocknum, const char *varname) = 0;

	virtual void clearMessage() = 0;

	/** Returns pointer to canonical (prehashed) string. */
	virtual const char* getMessageName() const = 0;
	virtual S32 getMessageSize() const = 0;

	virtual void copyToBuilder(LLMessageBuilder&) const = 0;

	static void setTimeDecodes(BOOL b);
	static BOOL getTimeDecodes();
	static void setTimeDecodesSpamThreshold(F32 seconds);
	static F32 getTimeDecodesSpamThreshold();
};

#endif // LL_LLMESSAGEREADER_H