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/indra/llmessage/lldatapacker.h

https://bitbucket.org/lindenlab/viewer-beta/
C++ Header | 417 lines | 294 code | 91 blank | 32 comment | 9 complexity | 725e539ac63cf89cae3806f807ce2fb5 MD5 | raw file
Possible License(s): LGPL-2.1 
    

  1. /** 
    2. 

  2.  * @file lldatapacker.h
    3. 

  3.  * @brief Data packer declaration for tightly storing binary data.
    4. 

  4.  *
    5. 

  5.  * $LicenseInfo:firstyear=2002&license=viewerlgpl$
    6. 

  6.  * Second Life Viewer Source Code
    7. 

  7.  * Copyright (C) 2010, Linden Research, Inc.
    8. 

  8.  * 
    9. 

  9.  * This library is free software; you can redistribute it and/or
    10. 

  10.  * modify it under the terms of the GNU Lesser General Public
    11. 

  11.  * License as published by the Free Software Foundation;
    12. 

  12.  * version 2.1 of the License only.
    13. 

  13.  * 
    14. 

  14.  * This library is distributed in the hope that it will be useful,
    15. 

  15.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16. 

  16.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    17. 

  17.  * Lesser General Public License for more details.
    18. 

  18.  * 
    19. 

  19.  * You should have received a copy of the GNU Lesser General Public
    20. 

  20.  * License along with this library; if not, write to the Free Software
    21. 

  21.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
    22. 

  22.  * 
    23. 

  23.  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
    24. 

  24.  * $/LicenseInfo$
    25. 

  25.  */
    26. 

  26. 

  27. #ifndef LL_LLDATAPACKER_H 
    28. 

  28. #define LL_LLDATAPACKER_H
    29. 

  29. 

  30. class LLColor4;
    31. 

  31. class LLColor4U;
    32. 

  32. class LLVector2;
    33. 

  33. class LLVector3;
    34. 

  34. class LLVector4;
    35. 

  35. class LLUUID;
    36. 

  36. 

  37. class LLDataPacker
    38. 

  38. {
    39. 

  39. public:
    40. 

  40. 	virtual ~LLDataPacker() {}
    41. 

  41. 	
    42. 

  42. 	// Not required to override, but error to call?
    43. 

  43. 	virtual void		reset();
    44. 

  44. 	virtual void		dumpBufferToLog();
    45. 

  45. 

  46. 	virtual BOOL		hasNext() const = 0;
    47. 

  47. 

  48. 	virtual BOOL		packString(const std::string& value, const char *name) = 0;
    49. 

  49. 	virtual BOOL		unpackString(std::string& value, const char *name) = 0;
    50. 

  50. 

  51. 	virtual BOOL		packBinaryData(const U8 *value, S32 size, const char *name) = 0;
    52. 

  52. 	virtual BOOL		unpackBinaryData(U8 *value, S32 &size, const char *name) = 0;
    53. 

  53. 

  54. 	// Constant size binary data packing
    55. 

  55. 	virtual BOOL		packBinaryDataFixed(const U8 *value, S32 size, const char *name) = 0;
    56. 

  56. 	virtual BOOL		unpackBinaryDataFixed(U8 *value, S32 size, const char *name) = 0;
    57. 

  57. 

  58. 	virtual BOOL		packU8(const U8 value, const char *name) = 0;
    59. 

  59. 	virtual BOOL		unpackU8(U8 &value, const char *name) = 0;
    60. 

  60. 

  61. 	virtual BOOL		packU16(const U16 value, const char *name) = 0;
    62. 

  62. 	virtual BOOL		unpackU16(U16 &value, const char *name) = 0;
    63. 

  63. 

  64. 	virtual BOOL		packU32(const U32 value, const char *name) = 0;
    65. 

  65. 	virtual BOOL		unpackU32(U32 &value, const char *name) = 0;
    66. 

  66. 

  67. 	virtual BOOL		packS32(const S32 value, const char *name) = 0;
    68. 

  68. 	virtual BOOL		unpackS32(S32 &value, const char *name) = 0;
    69. 

  69. 

  70. 	virtual BOOL		packF32(const F32 value, const char *name) = 0;
    71. 

  71. 	virtual BOOL		unpackF32(F32 &value, const char *name) = 0;
    72. 

  72. 

  73. 	// Packs a float into an integer, using the given size
    74. 

  74. 	// and picks the right U* data type to pack into.
    75. 

  75. 	BOOL				packFixed(const F32 value, const char *name,
    76. 

  76. 								const BOOL is_signed, const U32 int_bits, const U32 frac_bits);
    77. 

  77. 	BOOL				unpackFixed(F32 &value, const char *name,
    78. 

  78. 								const BOOL is_signed, const U32 int_bits, const U32 frac_bits);
    79. 

  79. 

  80. 	virtual BOOL		packColor4(const LLColor4 &value, const char *name) = 0;
    81. 

  81. 	virtual BOOL		unpackColor4(LLColor4 &value, const char *name) = 0;
    82. 

  82. 

  83. 	virtual BOOL		packColor4U(const LLColor4U &value, const char *name) = 0;
    84. 

  84. 	virtual BOOL		unpackColor4U(LLColor4U &value, const char *name) = 0;
    85. 

  85. 

  86. 	virtual BOOL		packVector2(const LLVector2 &value, const char *name) = 0;
    87. 

  87. 	virtual BOOL		unpackVector2(LLVector2 &value, const char *name) = 0;
    88. 

  88. 

  89. 	virtual BOOL		packVector3(const LLVector3 &value, const char *name) = 0;
    90. 

  90. 	virtual BOOL		unpackVector3(LLVector3 &value, const char *name) = 0;
    91. 

  91. 

  92. 	virtual BOOL		packVector4(const LLVector4 &value, const char *name) = 0;
    93. 

  93. 	virtual BOOL		unpackVector4(LLVector4 &value, const char *name) = 0;
    94. 

  94. 

  95. 	virtual BOOL		packUUID(const LLUUID &value, const char *name) = 0;
    96. 

  96. 	virtual BOOL		unpackUUID(LLUUID &value, const char *name) = 0;
    97. 

  97. 			U32			getPassFlags() const	{ return mPassFlags; }
    98. 

  98. 			void		setPassFlags(U32 flags)	{ mPassFlags = flags; }
    99. 

  99. protected:
    100. 

  100. 	LLDataPacker();
    101. 

  101. protected:
    102. 

  102. 	U32	mPassFlags;
    103. 

  103. 	BOOL mWriteEnabled; // disable this to do things like determine filesize without actually copying data
    104. 

  104. };
    105. 

  105. 

  106. class LLDataPackerBinaryBuffer : public LLDataPacker
    107. 

  107. {
    108. 

  108. public:
    109. 

  109. 	LLDataPackerBinaryBuffer(U8 *bufferp, S32 size)
    110. 

  110. 	:	LLDataPacker(),
    111. 

  111. 		mBufferp(bufferp),
    112. 

  112. 		mCurBufferp(bufferp),
    113. 

  113. 		mBufferSize(size)
    114. 

  114. 	{
    115. 

  115. 		mWriteEnabled = TRUE;
    116. 

  116. 	}
    117. 

  117. 

  118. 	LLDataPackerBinaryBuffer()
    119. 

  119. 	:	LLDataPacker(),
    120. 

  120. 		mBufferp(NULL),
    121. 

  121. 		mCurBufferp(NULL),
    122. 

  122. 		mBufferSize(0)
    123. 

  123. 	{
    124. 

  124. 	}
    125. 

  125. 

  126. 	/*virtual*/ BOOL		packString(const std::string& value, const char *name);
    127. 

  127. 	/*virtual*/ BOOL		unpackString(std::string& value, const char *name);
    128. 

  128. 

  129. 	/*virtual*/ BOOL		packBinaryData(const U8 *value, S32 size, const char *name);
    130. 

  130. 	/*virtual*/ BOOL		unpackBinaryData(U8 *value, S32 &size, const char *name);
    131. 

  131. 

  132. 	// Constant size binary data packing
    133. 

  133. 	/*virtual*/ BOOL		packBinaryDataFixed(const U8 *value, S32 size, const char *name);
    134. 

  134. 	/*virtual*/ BOOL		unpackBinaryDataFixed(U8 *value, S32 size, const char *name);
    135. 

  135. 

  136. 	/*virtual*/ BOOL		packU8(const U8 value, const char *name);
    137. 

  137. 	/*virtual*/ BOOL		unpackU8(U8 &value, const char *name);
    138. 

  138. 

  139. 	/*virtual*/ BOOL		packU16(const U16 value, const char *name);
    140. 

  140. 	/*virtual*/ BOOL		unpackU16(U16 &value, const char *name);
    141. 

  141. 

  142. 	/*virtual*/ BOOL		packU32(const U32 value, const char *name);
    143. 

  143. 	/*virtual*/ BOOL		unpackU32(U32 &value, const char *name);
    144. 

  144. 

  145. 	/*virtual*/ BOOL		packS32(const S32 value, const char *name);
    146. 

  146. 	/*virtual*/ BOOL		unpackS32(S32 &value, const char *name);
    147. 

  147. 

  148. 	/*virtual*/ BOOL		packF32(const F32 value, const char *name);
    149. 

  149. 	/*virtual*/ BOOL		unpackF32(F32 &value, const char *name);
    150. 

  150. 

  151. 	/*virtual*/ BOOL		packColor4(const LLColor4 &value, const char *name);
    152. 

  152. 	/*virtual*/ BOOL		unpackColor4(LLColor4 &value, const char *name);
    153. 

  153. 

  154. 	/*virtual*/ BOOL		packColor4U(const LLColor4U &value, const char *name);
    155. 

  155. 	/*virtual*/ BOOL		unpackColor4U(LLColor4U &value, const char *name);
    156. 

  156. 

  157. 	/*virtual*/ BOOL		packVector2(const LLVector2 &value, const char *name);
    158. 

  158. 	/*virtual*/ BOOL		unpackVector2(LLVector2 &value, const char *name);
    159. 

  159. 

  160. 	/*virtual*/ BOOL		packVector3(const LLVector3 &value, const char *name);
    161. 

  161. 	/*virtual*/ BOOL		unpackVector3(LLVector3 &value, const char *name);
    162. 

  162. 

  163. 	/*virtual*/ BOOL		packVector4(const LLVector4 &value, const char *name);
    164. 

  164. 	/*virtual*/ BOOL		unpackVector4(LLVector4 &value, const char *name);
    165. 

  165. 

  166. 	/*virtual*/ BOOL		packUUID(const LLUUID &value, const char *name);
    167. 

  167. 	/*virtual*/ BOOL		unpackUUID(LLUUID &value, const char *name);
    168. 

  168. 

  169. 				S32			getCurrentSize() const	{ return (S32)(mCurBufferp - mBufferp); }
    170. 

  170. 				S32			getBufferSize() const	{ return mBufferSize; }
    171. 

  171. 				const U8*   getBuffer() const   { return mBufferp; }    
    172. 

  172. 				void		reset()				{ mCurBufferp = mBufferp; mWriteEnabled = (mCurBufferp != NULL); }
    173. 

  173. 				void		freeBuffer()		{ delete [] mBufferp; mBufferp = mCurBufferp = NULL; mBufferSize = 0; mWriteEnabled = FALSE; }
    174. 

  174. 				void		assignBuffer(U8 *bufferp, S32 size)
    175. 

  175. 				{
    176. 

  176. 					if(mBufferp && mBufferp != bufferp)
    177. 

  177. 					{
    178. 

  178. 						freeBuffer() ;
    179. 

  179. 					}
    180. 

  180. 					mBufferp = bufferp;
    181. 

  181. 					mCurBufferp = bufferp;
    182. 

  182. 					mBufferSize = size;
    183. 

  183. 					mWriteEnabled = TRUE;
    184. 

  184. 				}
    185. 

  185. 				const LLDataPackerBinaryBuffer&	operator=(const LLDataPackerBinaryBuffer &a);
    186. 

  186. 

  187. 	/*virtual*/ BOOL		hasNext() const			{ return getCurrentSize() < getBufferSize(); }
    188. 

  188. 

  189. 	/*virtual*/ void dumpBufferToLog();
    190. 

  190. protected:
    191. 

  191. 	inline BOOL verifyLength(const S32 data_size, const char *name);
    192. 

  192. 

  193. 	U8 *mBufferp;
    194. 

  194. 	U8 *mCurBufferp;
    195. 

  195. 	S32 mBufferSize;
    196. 

  196. };
    197. 

  197. 

  198. inline BOOL LLDataPackerBinaryBuffer::verifyLength(const S32 data_size, const char *name)
    199. 

  199. {
    200. 

  200. 	if (mWriteEnabled && (mCurBufferp - mBufferp) > mBufferSize - data_size)
    201. 

  201. 	{
    202. 

  202. 		llwarns << "Buffer overflow in BinaryBuffer length verify, field name " << name << "!" << llendl;
    203. 

  203. 		llwarns << "Current pos: " << (int)(mCurBufferp - mBufferp) << " Buffer size: " << mBufferSize << " Data size: " << data_size << llendl;
    204. 

  204. 		return FALSE;
    205. 

  205. 	}
    206. 

  206. 

  207. 	return TRUE;
    208. 

  208. }
    209. 

  209. 

  210. class LLDataPackerAsciiBuffer : public LLDataPacker
    211. 

  211. {
    212. 

  212. public:
    213. 

  213. 	LLDataPackerAsciiBuffer(char* bufferp, S32 size)
    214. 

  214. 	{
    215. 

  215. 		mBufferp = bufferp;
    216. 

  216. 		mCurBufferp = bufferp;
    217. 

  217. 		mBufferSize = size;
    218. 

  218. 		mPassFlags = 0;
    219. 

  219. 		mIncludeNames = FALSE;
    220. 

  220. 		mWriteEnabled = TRUE;
    221. 

  221. 	}
    222. 

  222. 

  223. 	LLDataPackerAsciiBuffer()
    224. 

  224. 	{
    225. 

  225. 		mBufferp = NULL;
    226. 

  226. 		mCurBufferp = NULL;
    227. 

  227. 		mBufferSize = 0;
    228. 

  228. 		mPassFlags = 0;
    229. 

  229. 		mIncludeNames = FALSE;
    230. 

  230. 		mWriteEnabled = FALSE;
    231. 

  231. 	}
    232. 

  232. 

  233. 	/*virtual*/ BOOL		packString(const std::string& value, const char *name);
    234. 

  234. 	/*virtual*/ BOOL		unpackString(std::string& value, const char *name);
    235. 

  235. 

  236. 	/*virtual*/ BOOL		packBinaryData(const U8 *value, S32 size, const char *name);
    237. 

  237. 	/*virtual*/ BOOL		unpackBinaryData(U8 *value, S32 &size, const char *name);
    238. 

  238. 

  239. 	// Constant size binary data packing
    240. 

  240. 	/*virtual*/ BOOL		packBinaryDataFixed(const U8 *value, S32 size, const char *name);
    241. 

  241. 	/*virtual*/ BOOL		unpackBinaryDataFixed(U8 *value, S32 size, const char *name);
    242. 

  242. 

  243. 	/*virtual*/ BOOL		packU8(const U8 value, const char *name);
    244. 

  244. 	/*virtual*/ BOOL		unpackU8(U8 &value, const char *name);
    245. 

  245. 

  246. 	/*virtual*/ BOOL		packU16(const U16 value, const char *name);
    247. 

  247. 	/*virtual*/ BOOL		unpackU16(U16 &value, const char *name);
    248. 

  248. 

  249. 	/*virtual*/ BOOL		packU32(const U32 value, const char *name);
    250. 

  250. 	/*virtual*/ BOOL		unpackU32(U32 &value, const char *name);
    251. 

  251. 

  252. 	/*virtual*/ BOOL		packS32(const S32 value, const char *name);
    253. 

  253. 	/*virtual*/ BOOL		unpackS32(S32 &value, const char *name);
    254. 

  254. 

  255. 	/*virtual*/ BOOL		packF32(const F32 value, const char *name);
    256. 

  256. 	/*virtual*/ BOOL		unpackF32(F32 &value, const char *name);
    257. 

  257. 

  258. 	/*virtual*/ BOOL		packColor4(const LLColor4 &value, const char *name);
    259. 

  259. 	/*virtual*/ BOOL		unpackColor4(LLColor4 &value, const char *name);
    260. 

  260. 

  261. 	/*virtual*/ BOOL		packColor4U(const LLColor4U &value, const char *name);
    262. 

  262. 	/*virtual*/ BOOL		unpackColor4U(LLColor4U &value, const char *name);
    263. 

  263. 

  264. 	/*virtual*/ BOOL		packVector2(const LLVector2 &value, const char *name);
    265. 

  265. 	/*virtual*/ BOOL		unpackVector2(LLVector2 &value, const char *name);
    266. 

  266. 

  267. 	/*virtual*/ BOOL		packVector3(const LLVector3 &value, const char *name);
    268. 

  268. 	/*virtual*/ BOOL		unpackVector3(LLVector3 &value, const char *name);
    269. 

  269. 

  270. 	/*virtual*/ BOOL		packVector4(const LLVector4 &value, const char *name);
    271. 

  271. 	/*virtual*/ BOOL		unpackVector4(LLVector4 &value, const char *name);
    272. 

  272. 

  273. 	/*virtual*/ BOOL		packUUID(const LLUUID &value, const char *name);
    274. 

  274. 	/*virtual*/ BOOL		unpackUUID(LLUUID &value, const char *name);
    275. 

  275. 

  276. 	void		setIncludeNames(BOOL b)	{ mIncludeNames = b; }
    277. 

  277. 

  278. 	// Include the trailing NULL so it's always a valid string
    279. 

  279. 	S32			getCurrentSize() const	{ return (S32)(mCurBufferp - mBufferp) + 1; }
    280. 

  280. 

  281. 	S32			getBufferSize() const	{ return mBufferSize; }
    282. 

  282. 	/*virtual*/ void		reset()					{ mCurBufferp = mBufferp; mWriteEnabled = (mCurBufferp != NULL); }
    283. 

  283. 

  284. 	/*virtual*/ BOOL		hasNext() const			{ return getCurrentSize() < getBufferSize(); }
    285. 

  285. 

  286. 	inline void	freeBuffer();
    287. 

  287. 	inline void	assignBuffer(char* bufferp, S32 size);
    288. 

  288. 	void		dump();
    289. 

  289. 

  290. protected:
    291. 

  291. 	void writeIndentedName(const char *name);
    292. 

  292. 	BOOL getValueStr(const char *name, char *out_value, const S32 value_len);
    293. 

  293. 	
    294. 

  294. protected:
    295. 

  295. 	inline BOOL verifyLength(const S32 data_size, const char *name);
    296. 

  296. 

  297. 	char *mBufferp;
    298. 

  298. 	char *mCurBufferp;
    299. 

  299. 	S32 mBufferSize;
    300. 

  300. 	BOOL mIncludeNames;	// useful for debugging, print the name of each field
    301. 

  301. };
    302. 

  302. 

  303. inline void	LLDataPackerAsciiBuffer::freeBuffer()
    304. 

  304. {
    305. 

  305. 	delete [] mBufferp; 
    306. 

  306. 	mBufferp = mCurBufferp = NULL; 
    307. 

  307. 	mBufferSize = 0;
    308. 

  308. 	mWriteEnabled = FALSE;
    309. 

  309. }
    310. 

  310. 

  311. inline void	LLDataPackerAsciiBuffer::assignBuffer(char* bufferp, S32 size)
    312. 

  312. {
    313. 

  313. 	mBufferp = bufferp;
    314. 

  314. 	mCurBufferp = bufferp;
    315. 

  315. 	mBufferSize = size;
    316. 

  316. 	mWriteEnabled = TRUE;
    317. 

  317. }
    318. 

  318. 

  319. inline BOOL LLDataPackerAsciiBuffer::verifyLength(const S32 data_size, const char *name)
    320. 

  320. {
    321. 

  321. 	if (mWriteEnabled && (mCurBufferp - mBufferp) > mBufferSize - data_size)
    322. 

  322. 	{
    323. 

  323. 		llwarns << "Buffer overflow in AsciiBuffer length verify, field name " << name << "!" << llendl;
    324. 

  324. 		llwarns << "Current pos: " << (int)(mCurBufferp - mBufferp) << " Buffer size: " << mBufferSize << " Data size: " << data_size << llendl;
    325. 

  325. 		return FALSE;
    326. 

  326. 	}
    327. 

  327. 

  328. 	return TRUE;
    329. 

  329. }
    330. 

  330. 

  331. class LLDataPackerAsciiFile : public LLDataPacker
    332. 

  332. {
    333. 

  333. public:
    334. 

  334. 	LLDataPackerAsciiFile(LLFILE *fp, const S32 indent = 2)
    335. 

  335. 	: 	LLDataPacker(),
    336. 

  336. 		mIndent(indent),
    337. 

  337. 		mFP(fp),
    338. 

  338. 		mOutputStream(NULL),
    339. 

  339. 		mInputStream(NULL)
    340. 

  340. 	{
    341. 

  341. 	}
    342. 

  342. 

  343. 	LLDataPackerAsciiFile(std::ostream& output_stream, const S32 indent = 2)
    344. 

  344. 	: 	LLDataPacker(),
    345. 

  345. 		mIndent(indent),
    346. 

  346. 		mFP(NULL),
    347. 

  347. 		mOutputStream(&output_stream),
    348. 

  348. 		mInputStream(NULL)
    349. 

  349. 	{
    350. 

  350. 		mWriteEnabled = TRUE;
    351. 

  351. 	}
    352. 

  352. 

  353. 	LLDataPackerAsciiFile(std::istream& input_stream, const S32 indent = 2)
    354. 

  354. 	: 	LLDataPacker(),
    355. 

  355. 		mIndent(indent),
    356. 

  356. 		mFP(NULL),
    357. 

  357. 		mOutputStream(NULL),
    358. 

  358. 		mInputStream(&input_stream)
    359. 

  359. 	{
    360. 

  360. 	}
    361. 

  361. 

  362. 	/*virtual*/ BOOL		packString(const std::string& value, const char *name);
    363. 

  363. 	/*virtual*/ BOOL		unpackString(std::string& value, const char *name);
    364. 

  364. 

  365. 	/*virtual*/ BOOL		packBinaryData(const U8 *value, S32 size, const char *name);
    366. 

  366. 	/*virtual*/ BOOL		unpackBinaryData(U8 *value, S32 &size, const char *name);
    367. 

  367. 

  368. 	/*virtual*/ BOOL		packBinaryDataFixed(const U8 *value, S32 size, const char *name);
    369. 

  369. 	/*virtual*/ BOOL		unpackBinaryDataFixed(U8 *value, S32 size, const char *name);
    370. 

  370. 

  371. 	/*virtual*/ BOOL		packU8(const U8 value, const char *name);
    372. 

  372. 	/*virtual*/ BOOL		unpackU8(U8 &value, const char *name);
    373. 

  373. 

  374. 	/*virtual*/ BOOL		packU16(const U16 value, const char *name);
    375. 

  375. 	/*virtual*/ BOOL		unpackU16(U16 &value, const char *name);
    376. 

  376. 

  377. 	/*virtual*/ BOOL		packU32(const U32 value, const char *name);
    378. 

  378. 	/*virtual*/ BOOL		unpackU32(U32 &value, const char *name);
    379. 

  379. 

  380. 	/*virtual*/ BOOL		packS32(const S32 value, const char *name);
    381. 

  381. 	/*virtual*/ BOOL		unpackS32(S32 &value, const char *name);
    382. 

  382. 

  383. 	/*virtual*/ BOOL		packF32(const F32 value, const char *name);
    384. 

  384. 	/*virtual*/ BOOL		unpackF32(F32 &value, const char *name);
    385. 

  385. 

  386. 	/*virtual*/ BOOL		packColor4(const LLColor4 &value, const char *name);
    387. 

  387. 	/*virtual*/ BOOL		unpackColor4(LLColor4 &value, const char *name);
    388. 

  388. 

  389. 	/*virtual*/ BOOL		packColor4U(const LLColor4U &value, const char *name);
    390. 

  390. 	/*virtual*/ BOOL		unpackColor4U(LLColor4U &value, const char *name);
    391. 

  391. 

  392. 	/*virtual*/ BOOL		packVector2(const LLVector2 &value, const char *name);
    393. 

  393. 	/*virtual*/ BOOL		unpackVector2(LLVector2 &value, const char *name);
    394. 

  394. 

  395. 	/*virtual*/ BOOL		packVector3(const LLVector3 &value, const char *name);
    396. 

  396. 	/*virtual*/ BOOL		unpackVector3(LLVector3 &value, const char *name);
    397. 

  397. 

  398. 	/*virtual*/ BOOL		packVector4(const LLVector4 &value, const char *name);
    399. 

  399. 	/*virtual*/ BOOL		unpackVector4(LLVector4 &value, const char *name);
    400. 

  400. 

  401. 	/*virtual*/ BOOL		packUUID(const LLUUID &value, const char *name);
    402. 

  402. 	/*virtual*/ BOOL		unpackUUID(LLUUID &value, const char *name);
    403. 

  403. protected:
    404. 

  404. 	void writeIndentedName(const char *name);
    405. 

  405. 	BOOL getValueStr(const char *name, char *out_value, const S32 value_len);
    406. 

  406. 	
    407. 

  407. 	/*virtual*/ BOOL		hasNext() const			{ return true; }
    408. 

  408. 

  409. protected:
    410. 

  410. 	S32 mIndent;
    411. 

  411. 	LLFILE *mFP;
    412. 

  412. 	std::ostream* mOutputStream;
    413. 

  413. 	std::istream* mInputStream;
    414. 

  414. };
    415. 

  415. 

  416. #endif // LL_LLDATAPACKER
    417. 

  417. 

  418.