Alexandre Lision | ddd731e | 2014-01-31 11:50:08 -0500 | [diff] [blame] | 1 | // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| 2 | // |
| 3 | // This file is part of GNU uCommon C++. |
| 4 | // |
| 5 | // GNU uCommon C++ is free software: you can redistribute it and/or modify |
| 6 | // it under the terms of the GNU Lesser General Public License as published |
| 7 | // by the Free Software Foundation, either version 3 of the License, or |
| 8 | // (at your option) any later version. |
| 9 | // |
| 10 | // GNU uCommon C++ is distributed in the hope that it will be useful, |
| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | // GNU Lesser General Public License for more details. |
| 14 | // |
| 15 | // You should have received a copy of the GNU Lesser General Public License |
| 16 | // along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | /** |
| 19 | * Abstract interfaces and support. This is a set of "protocols", a concept |
| 20 | * borrowed from other object oriented languages, to define interfaces for |
| 21 | * low level services. By using a protocol base class which offers both |
| 22 | * virtuals and support methods only, one can easily stack and share these |
| 23 | * as common base classes without having to consider when the final derived |
| 24 | * object implements them. Core protocol methods always are tagged with a |
| 25 | * _ prefix to make it easier to track their derivation. |
| 26 | * @file ucommon/protocols.h |
| 27 | * @author David Sugar <dyfet@gnutelephony.org> |
| 28 | */ |
| 29 | |
| 30 | #ifndef _UCOMMON_PROTOCOLS_H_ |
| 31 | #define _UCOMMON_PROTOCOLS_H_ |
| 32 | |
| 33 | #ifndef _UCOMMON_CPR_H_ |
| 34 | #include <ucommon/cpr.h> |
| 35 | #endif |
| 36 | |
| 37 | NAMESPACE_UCOMMON |
| 38 | |
| 39 | class String; |
| 40 | class StringPager; |
| 41 | |
| 42 | class __EXPORT MemoryProtocol |
| 43 | { |
| 44 | protected: |
| 45 | friend class MemoryRedirect; |
| 46 | |
| 47 | /** |
| 48 | * Protocol to allocate memory from the pager heap. The size of the |
| 49 | * request must be less than the size of the memory page used. The |
| 50 | * actual method is in a derived or stacked object. |
| 51 | * @param size of memory request. |
| 52 | * @return allocated memory or NULL if not possible. |
| 53 | */ |
| 54 | virtual void *_alloc(size_t size) = 0; |
| 55 | |
| 56 | /** |
| 57 | * Allocation failure handler. |
| 58 | */ |
| 59 | virtual void fault(void) const; |
| 60 | |
| 61 | public: |
| 62 | virtual ~MemoryProtocol(); |
| 63 | |
| 64 | /** |
| 65 | * Convenience function. |
| 66 | * @param size of memory request. |
| 67 | * @return alocated memory or NULL if not possible. |
| 68 | */ |
| 69 | inline void *alloc(size_t size) |
| 70 | {return _alloc(size);}; |
| 71 | |
| 72 | /** |
| 73 | * Allocate memory from the pager heap. The size of the request must be |
| 74 | * less than the size of the memory page used. The memory is initialized |
| 75 | * to zero. This uses alloc. |
| 76 | * @param size of memory request. |
| 77 | * @return allocated memory or NULL if not possible. |
| 78 | */ |
| 79 | void *zalloc(size_t size); |
| 80 | |
| 81 | /** |
| 82 | * Duplicate NULL terminated string into allocated memory. This uses |
| 83 | * alloc. |
| 84 | * @param string to copy into memory. |
| 85 | * @return allocated memory with copy of string or NULL if cannot allocate. |
| 86 | */ |
| 87 | char *dup(const char *string); |
| 88 | |
| 89 | /** |
| 90 | * Duplicate existing memory block into allocated memory. This uses alloc. |
| 91 | * @param memory to data copy from. |
| 92 | * @param size of memory to allocate. |
| 93 | * @return allocated memory with copy or NULL if cannot allocate. |
| 94 | */ |
| 95 | void *dup(void *memory, size_t size); |
| 96 | }; |
| 97 | |
| 98 | /** |
| 99 | * A redirection base class for the memory protocol. This is used because |
| 100 | * sometimes we choose a common memory pool to manage different objects. |
| 101 | * @author David Sugar <dyfet@gnutelephony.org> |
| 102 | */ |
| 103 | class __EXPORT MemoryRedirect : public MemoryProtocol |
| 104 | { |
| 105 | private: |
| 106 | MemoryProtocol *target; |
| 107 | |
| 108 | public: |
| 109 | MemoryRedirect(MemoryProtocol *protocol); |
| 110 | |
| 111 | virtual void *_alloc(size_t size); |
| 112 | }; |
| 113 | |
| 114 | /** |
| 115 | * Common locking protocol. This is used for objects that may internally |
| 116 | * have sync'd functions, directly or in a derived class, that lock the |
| 117 | * current object. The default handlers do nothing but offer the virtuals |
| 118 | * as a stub. |
| 119 | * @author David Sugar <dyfet@gnutelephony.org> |
| 120 | */ |
| 121 | class __EXPORT LockingProtocol |
| 122 | { |
| 123 | protected: |
| 124 | virtual void _lock(void); |
| 125 | virtual void _unlock(void); |
| 126 | |
| 127 | public: |
| 128 | virtual ~LockingProtocol(); |
| 129 | }; |
| 130 | |
| 131 | /** |
| 132 | * Used for forming stream output. We would create a derived class who's |
| 133 | * constructor creates an internal string object, and a single method to |
| 134 | * extract that string. |
| 135 | * @author David Sugar <dyfet@gnutelephony.org> |
| 136 | */ |
| 137 | class __EXPORT PrintProtocol |
| 138 | { |
| 139 | public: |
| 140 | virtual ~PrintProtocol(); |
| 141 | |
| 142 | /** |
| 143 | * Extract formatted string for object. |
| 144 | */ |
| 145 | virtual const char *_print(void) const = 0; |
| 146 | }; |
| 147 | |
| 148 | /** |
| 149 | * Used for processing input. We create a derived class that processes a |
| 150 | * single character of input, and returns a status value. EOF means it |
| 151 | * accepts no more input and any value other than 0 is a character to also |
| 152 | * unget. Otherwise 0 is good to accept more input. The constructor is |
| 153 | * used to reference a final destination object in the derived class. |
| 154 | * @author David Sugar <dyfet@gnutelephony.org> |
| 155 | */ |
| 156 | class __EXPORT InputProtocol |
| 157 | { |
| 158 | public: |
| 159 | virtual ~InputProtocol(); |
| 160 | |
| 161 | /** |
| 162 | * Extract formatted string for object. |
| 163 | * @param character code we are pushing. |
| 164 | * @return 0 to keep processing, EOF if done, or char to unget. |
| 165 | */ |
| 166 | virtual int _input(int code) = 0; |
| 167 | }; |
| 168 | |
| 169 | /** |
| 170 | * Common character processing protocol. This is used to access a character |
| 171 | * from some type of streaming buffer or memory object. |
| 172 | * @author David Sugar <dyfet@gnutelephony.org> |
| 173 | */ |
| 174 | class __EXPORT CharacterProtocol |
| 175 | { |
| 176 | protected: |
| 177 | const char *eol; |
| 178 | int back; |
| 179 | |
| 180 | CharacterProtocol(); |
| 181 | |
| 182 | /** |
| 183 | * Get the next character. |
| 184 | * @return next character or EOF. |
| 185 | */ |
| 186 | virtual int _getch(void) = 0; |
| 187 | |
| 188 | /** |
| 189 | * Put the next character. |
| 190 | * @param code to put. |
| 191 | * @return code or EOF if cannot put. |
| 192 | */ |
| 193 | virtual int _putch(int code) = 0; |
| 194 | |
| 195 | /** |
| 196 | * Write to back buffer. Mostly used for input format processing. |
| 197 | * @param code to write into backbuffer. |
| 198 | */ |
| 199 | inline void putback(int code) |
| 200 | {back = code;} |
| 201 | |
| 202 | /** |
| 203 | * Set end of line marker. Normally this is set to cr & lf, which |
| 204 | * actually supports both lf alone and cr/lf termination of lines. |
| 205 | * However, putline() will always add the full cr/lf if this mode is |
| 206 | * used. This option only effects getline() and putline(). |
| 207 | * @param string for eol for getline and putline. |
| 208 | */ |
| 209 | inline void seteol(const char *string) |
| 210 | {eol = string;}; |
| 211 | |
| 212 | public: |
| 213 | virtual ~CharacterProtocol(); |
| 214 | |
| 215 | /** |
| 216 | * Get the next character. |
| 217 | * @return next character or EOF. |
| 218 | */ |
| 219 | inline int getchar(void) |
| 220 | {return _getch();}; |
| 221 | |
| 222 | /** |
| 223 | * Put the next character. |
| 224 | * @param code to put. |
| 225 | * @return code or EOF if cannot put. |
| 226 | */ |
| 227 | inline int putchar(int code) |
| 228 | {return _putch(code);}; |
| 229 | |
| 230 | size_t print(const PrintProtocol& format); |
| 231 | |
| 232 | size_t input(InputProtocol& format); |
| 233 | |
| 234 | /** |
| 235 | * Get text as a line of input from the buffer. The eol character(s) |
| 236 | * are used to mark the end of a line. Because the end of line character |
| 237 | * is stripped, the length of the string may be less than the actual |
| 238 | * count read. If at the end of the file buffer and unable to read more |
| 239 | * data an error occured then 0 is returned. |
| 240 | * @param string to save input into. |
| 241 | * @param size limit of string to save. |
| 242 | * @return count of characters actually read or 0 if at end of data. |
| 243 | */ |
| 244 | size_t getline(char *string, size_t size); |
| 245 | |
| 246 | /** |
| 247 | * Get a string as a line of input from the buffer. The eol character(s) |
| 248 | * are used to mark the end of a line. Because the end of line character |
| 249 | * is stripped, the length of the string may be less than the actual |
| 250 | * count read. If at the end of the file buffer and unable to read more |
| 251 | * data an error occured then 0 is returned. |
| 252 | * @param buffer to save input into. |
| 253 | * @return count of characters actually read or 0 if at end of data. |
| 254 | */ |
| 255 | size_t getline(String& buffer); |
| 256 | |
| 257 | /** |
| 258 | * Put a string as a line of output to the buffer. The eol character is |
| 259 | * appended to the end. |
| 260 | * @param string to write. |
| 261 | * @return total characters successfully written, including eol chars. |
| 262 | */ |
| 263 | size_t putline(const char *string); |
| 264 | |
| 265 | size_t putchars(const char *string, size_t count = 0); |
| 266 | |
| 267 | /** |
| 268 | * Load input to a string list. The string list filter method is used to |
| 269 | * control loading. |
| 270 | * @param list to load into. |
| 271 | * @return number of items loaded. |
| 272 | */ |
| 273 | size_t load(StringPager *list); |
| 274 | |
| 275 | /** |
| 276 | * Save output from a string list. |
| 277 | * @param list to save from. |
| 278 | * @return number of items loaded. |
| 279 | */ |
| 280 | size_t save(const StringPager *list); |
| 281 | }; |
| 282 | |
| 283 | /** |
| 284 | * Common buffer protocol class. This is used to create objects which will |
| 285 | * stream character data as needed. This class can support bidirectional |
| 286 | * streaming as may be needed for serial devices, sockets, and pipes. The |
| 287 | * buffering mechanisms are hidden from derived classes, and two virtuals |
| 288 | * are used to communicate with the physical transport. |
| 289 | * @author David Sugar <dyfet@gnutelephony.org> |
| 290 | */ |
| 291 | class __EXPORT BufferProtocol : public CharacterProtocol |
| 292 | { |
| 293 | public: |
| 294 | typedef enum {RDONLY, WRONLY, RDWR} mode_t; |
| 295 | |
| 296 | private: |
| 297 | char *buffer; |
| 298 | char *input, *output; |
| 299 | size_t bufsize, bufpos, insize, outsize; |
| 300 | bool end; |
| 301 | |
| 302 | protected: |
| 303 | const char *format; |
| 304 | |
| 305 | /** |
| 306 | * Construct an empty (unallocated) buffer. |
| 307 | */ |
| 308 | BufferProtocol(); |
| 309 | |
| 310 | /** |
| 311 | * Construct a buffer of pre-allocated size and access type. |
| 312 | * @param size of buffer to allocate. |
| 313 | * @param access mode of buffer. |
| 314 | */ |
| 315 | BufferProtocol(size_t size, mode_t access = RDWR); |
| 316 | |
| 317 | /** |
| 318 | * Destroy object by releasing buffer memory. |
| 319 | */ |
| 320 | virtual ~BufferProtocol(); |
| 321 | |
| 322 | /** |
| 323 | * Allocation error handler. |
| 324 | */ |
| 325 | virtual void fault(void) const; |
| 326 | |
| 327 | /** |
| 328 | * Allocate I/O buffer(s) of specified size. If a buffer is currently |
| 329 | * allocated, it is released. |
| 330 | * @param size of buffer to allocate. |
| 331 | * @param access mode of buffer. |
| 332 | */ |
| 333 | void allocate(size_t size, mode_t access = RDWR); |
| 334 | |
| 335 | /** |
| 336 | * Release (free) buffer memory. |
| 337 | */ |
| 338 | void release(void); |
| 339 | |
| 340 | /** |
| 341 | * Request workspace in output buffer. This returns a pointer to |
| 342 | * memory from the output buffer and advances the output position. |
| 343 | * This is sometimes used for a form of zero copy write. |
| 344 | * @param size of request area. |
| 345 | * @return data pointer or NULL if not available. |
| 346 | */ |
| 347 | char *request(size_t size); |
| 348 | |
| 349 | /** |
| 350 | * Gather returns a pointer to contiguous input of specified size. |
| 351 | * This may require moving the input data in memory. |
| 352 | * @param size of gather space. |
| 353 | * @return data pointer to gathered data or NULL if not available. |
| 354 | */ |
| 355 | char *gather(size_t size); |
| 356 | |
| 357 | /** |
| 358 | * Method to push buffer into physical i/o (write). The address is |
| 359 | * passed to this virtual since it is hidden as private. |
| 360 | * @param address of data to push. |
| 361 | * @param size of data to push. |
| 362 | * @return number of bytes written, 0 on error. |
| 363 | */ |
| 364 | virtual size_t _push(const char *address, size_t size) = 0; |
| 365 | |
| 366 | /** |
| 367 | * Method to pull buffer from physical i/o (read). The address is |
| 368 | * passed to this virtual since it is hidden as private. |
| 369 | * @param address of buffer to pull data into. |
| 370 | * @param size of buffer area being pulled.. |
| 371 | * @return number of read written, 0 on error or end of data. |
| 372 | */ |
| 373 | virtual size_t _pull(char *address, size_t size) = 0; |
| 374 | |
| 375 | /** |
| 376 | * Method to get low level i/o error. |
| 377 | * @return error from low level i/o methods. |
| 378 | */ |
| 379 | virtual int _err(void) const = 0; |
| 380 | |
| 381 | /** |
| 382 | * Method to clear low level i/o error. |
| 383 | */ |
| 384 | virtual void _clear(void) = 0; |
| 385 | |
| 386 | /** |
| 387 | * Return true if blocking. |
| 388 | */ |
| 389 | virtual bool _blocking(void); |
| 390 | |
| 391 | /** |
| 392 | * Check if data is pending. |
| 393 | */ |
| 394 | virtual bool _pending(void); |
| 395 | |
| 396 | /** |
| 397 | * Flush buffer to physical i/o. |
| 398 | */ |
| 399 | virtual bool _flush(void); |
| 400 | |
| 401 | virtual int _getch(void); |
| 402 | |
| 403 | virtual int _putch(int ch); |
| 404 | |
| 405 | /** |
| 406 | * Get current input position. Sometimes used to help compute and report |
| 407 | * a "tell" offset. |
| 408 | * @return offset of input buffer. |
| 409 | */ |
| 410 | inline size_t input_pending(void) |
| 411 | {return bufpos;}; |
| 412 | |
| 413 | /** |
| 414 | * Get current output position. Sometimes used to help compute a |
| 415 | * "trunc" operation. |
| 416 | */ |
| 417 | inline size_t output_waiting(void) |
| 418 | {return outsize;}; |
| 419 | |
| 420 | public: |
| 421 | const char *endl(void) |
| 422 | {return eol;} |
| 423 | |
| 424 | /** |
| 425 | * Put memory into the buffer. If count is 0 then put as NULL |
| 426 | * terminated string. |
| 427 | * @param address of characters to put into buffer. |
| 428 | * @param count of characters to put into buffer. |
| 429 | * @return number of characters actually written. |
| 430 | */ |
| 431 | size_t put(const void *address, size_t count); |
| 432 | |
| 433 | /** |
| 434 | * Get memory from the buffer. |
| 435 | * @param address of characters save from buffer. |
| 436 | * @param count of characters to get from buffer. |
| 437 | * @return number of characters actually copied. |
| 438 | */ |
| 439 | size_t get(void *address, size_t count); |
| 440 | |
| 441 | /** |
| 442 | * Print formatted string to the buffer. The maximum output size is |
| 443 | * the buffer size, and the operation flushes the buffer. |
| 444 | * @param format string. |
| 445 | * @return number of bytes written. |
| 446 | */ |
| 447 | size_t printf(const char *format, ...) __PRINTF(2, 3); |
| 448 | |
| 449 | /** |
| 450 | * Flush buffered memory to physical I/O. |
| 451 | * @return true on success, false if not active or fails. |
| 452 | */ |
| 453 | inline bool flush(void) |
| 454 | {return _flush();} |
| 455 | |
| 456 | /** |
| 457 | * Purge any pending input or output buffer data. |
| 458 | */ |
| 459 | void purge(void); |
| 460 | |
| 461 | /** |
| 462 | * Reset input buffer state. Drops any pending input. |
| 463 | */ |
| 464 | void reset(void); |
| 465 | |
| 466 | /** |
| 467 | * Check if at end of input. |
| 468 | * @return true if end of data, false if input still buffered. |
| 469 | */ |
| 470 | bool eof(void); |
| 471 | |
| 472 | /** |
| 473 | * See if buffer open. |
| 474 | * @return true if buffer active. |
| 475 | */ |
| 476 | inline operator bool() |
| 477 | {return buffer != NULL;} |
| 478 | |
| 479 | /** |
| 480 | * See if buffer closed. |
| 481 | * @return true if buffer inactive. |
| 482 | */ |
| 483 | inline bool operator!() |
| 484 | {return buffer == NULL;} |
| 485 | |
| 486 | /** |
| 487 | * See if buffer open. |
| 488 | * @return true if buffer active. |
| 489 | */ |
| 490 | inline bool is_open(void) |
| 491 | {return buffer != NULL;} |
| 492 | |
| 493 | /** |
| 494 | * See if input active. |
| 495 | * @return true if input active. |
| 496 | */ |
| 497 | inline bool is_input(void) |
| 498 | {return input != NULL;} |
| 499 | |
| 500 | /** |
| 501 | * See if output active. |
| 502 | * @return true if output active. |
| 503 | */ |
| 504 | inline bool is_output(void) |
| 505 | {return output != NULL;} |
| 506 | |
| 507 | /** |
| 508 | * See if pending input. |
| 509 | * @return true if input pending. |
| 510 | */ |
| 511 | inline bool is_pending(void) |
| 512 | {return _pending();} |
| 513 | |
| 514 | /** |
| 515 | * Set eof flag. |
| 516 | */ |
| 517 | inline void seteof(void) |
| 518 | {end = true;} |
| 519 | |
| 520 | inline int err(void) |
| 521 | {return _err();} |
| 522 | |
| 523 | template<typename T> inline size_t write(const T& data) |
| 524 | {return put(&data, sizeof(T));} |
| 525 | |
| 526 | template<typename T> inline size_t read(T& data) |
| 527 | {return get(&data, sizeof(T));} |
| 528 | |
| 529 | template<typename T> inline size_t write(const T* data, unsigned count) |
| 530 | {return put(data, sizeof(T) * count) / sizeof(T);} |
| 531 | |
| 532 | template<typename T> inline size_t read(T* data, unsigned count) |
| 533 | {return get(data, sizeof(T) * count) / sizeof(T);} |
| 534 | |
| 535 | }; |
| 536 | |
| 537 | /** |
| 538 | * A common base class for all managed objects. This is used to manage |
| 539 | * objects that might be linked or reference counted. The base class defines |
| 540 | * only core virtuals some common public methods that should be used by |
| 541 | * all inherited object types. |
| 542 | * @author David Sugar <dyfet@gnutelephony.org> |
| 543 | */ |
| 544 | class __EXPORT ObjectProtocol |
| 545 | { |
| 546 | public: |
| 547 | /** |
| 548 | * Method to retain (or increase retention) of an object. |
| 549 | */ |
| 550 | virtual void retain(void) = 0; |
| 551 | |
| 552 | /** |
| 553 | * Method to release (or decrease retention) of an object. |
| 554 | */ |
| 555 | virtual void release(void) = 0; |
| 556 | |
| 557 | /** |
| 558 | * Required virtual destructor. |
| 559 | */ |
| 560 | virtual ~ObjectProtocol(); |
| 561 | |
| 562 | /** |
| 563 | * Retain (increase retention of) object when copying. |
| 564 | */ |
| 565 | ObjectProtocol *copy(void); |
| 566 | |
| 567 | /** |
| 568 | * Increase retention operator. |
| 569 | */ |
| 570 | inline void operator++(void) |
| 571 | {retain();}; |
| 572 | |
| 573 | /** |
| 574 | * Decrease retention operator. |
| 575 | */ |
| 576 | inline void operator--(void) |
| 577 | {release();}; |
| 578 | }; |
| 579 | |
| 580 | /** |
| 581 | * At least with gcc, linking of stream operators was broken. This provides |
| 582 | * an auxillory class to solve the issue. |
| 583 | */ |
| 584 | class __EXPORT _character_operators |
| 585 | { |
| 586 | private: |
| 587 | inline _character_operators() {}; |
| 588 | |
| 589 | public: |
| 590 | static CharacterProtocol& print(CharacterProtocol& p, const char *s); |
| 591 | |
| 592 | static CharacterProtocol& print(CharacterProtocol& p, const char& ch); |
| 593 | |
| 594 | static CharacterProtocol& input(CharacterProtocol& p, char& ch); |
| 595 | |
| 596 | static CharacterProtocol& input(CharacterProtocol& p, String& str); |
| 597 | |
| 598 | static CharacterProtocol& print(CharacterProtocol& p, const long& value); |
| 599 | |
| 600 | static CharacterProtocol& input(CharacterProtocol& p, long& value); |
| 601 | |
| 602 | static CharacterProtocol& print(CharacterProtocol& p, const double& value); |
| 603 | |
| 604 | static CharacterProtocol& input(CharacterProtocol& p, double& value); |
| 605 | }; |
| 606 | |
| 607 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const char *s) |
| 608 | {return _character_operators::print(p, s);} |
| 609 | |
| 610 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const char& ch) |
| 611 | {return _character_operators::print(p, ch);} |
| 612 | |
| 613 | inline CharacterProtocol& operator>> (CharacterProtocol& p, char& ch) |
| 614 | {return _character_operators::input(p, ch);} |
| 615 | |
| 616 | inline CharacterProtocol& operator>> (CharacterProtocol& p, String& str) |
| 617 | {return _character_operators::input(p, str);} |
| 618 | |
| 619 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const PrintProtocol& format) |
| 620 | {p.print(format); return p;} |
| 621 | |
| 622 | inline CharacterProtocol& operator>> (CharacterProtocol& p, InputProtocol& format) |
| 623 | {p.input(format); return p;} |
| 624 | |
| 625 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const StringPager& list) |
| 626 | {p.save(&list); return p;} |
| 627 | |
| 628 | inline CharacterProtocol& operator>> (CharacterProtocol& p, StringPager& list) |
| 629 | {p.load(&list); return p;} |
| 630 | |
| 631 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const long& value) |
| 632 | {return _character_operators::print(p, value);} |
| 633 | |
| 634 | inline CharacterProtocol& operator>> (CharacterProtocol& p, long& value) |
| 635 | {return _character_operators::input(p, value);} |
| 636 | |
| 637 | inline CharacterProtocol& operator<< (CharacterProtocol& p, const double& value) |
| 638 | {return _character_operators::print(p, value);} |
| 639 | |
| 640 | inline CharacterProtocol& operator>> (CharacterProtocol& p, double& value) |
| 641 | {return _character_operators::input(p, value);} |
| 642 | |
| 643 | END_NAMESPACE |
| 644 | |
| 645 | #endif |