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/**
* @file llmessagereader.h
* @brief Declaration of LLMessageReader class.
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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;
// Error return values for getSize() functions
const S32 LL_BLOCK_NOT_IN_MESSAGE = -1;
const S32 LL_VARIABLE_NOT_IN_BLOCK = -2;
const S32 LL_MESSAGE_ERROR = -3;
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 void getString(const char *block, const char *var, std::string& outstr, 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
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