diff options
Diffstat (limited to 'contrib/iostream3/zfstream.h')
-rw-r--r-- | contrib/iostream3/zfstream.h | 274 |
1 files changed, 137 insertions, 137 deletions
diff --git a/contrib/iostream3/zfstream.h b/contrib/iostream3/zfstream.h index ad76e8b..8574479 100644 --- a/contrib/iostream3/zfstream.h +++ b/contrib/iostream3/zfstream.h | |||
@@ -1,9 +1,9 @@ | |||
1 | /* | 1 | /* |
2 | * A C++ I/O streams interface to the zlib gz* functions | 2 | * A C++ I/O streams interface to the zlib gz* functions |
3 | * | 3 | * |
4 | * by Ludwig Schwardt <schwardt@sun.ac.za> | 4 | * by Ludwig Schwardt <schwardt@sun.ac.za> |
5 | * original version by Kevin Ruland <kevin@rodin.wustl.edu> | 5 | * original version by Kevin Ruland <kevin@rodin.wustl.edu> |
6 | * | 6 | * |
7 | * This version is standard-compliant and compatible with gcc 3.x. | 7 | * This version is standard-compliant and compatible with gcc 3.x. |
8 | */ | 8 | */ |
9 | 9 | ||
@@ -20,204 +20,204 @@ | |||
20 | * @brief Gzipped file stream buffer class. | 20 | * @brief Gzipped file stream buffer class. |
21 | * | 21 | * |
22 | * This class implements basic_filebuf for gzipped files. It doesn't yet support | 22 | * This class implements basic_filebuf for gzipped files. It doesn't yet support |
23 | * seeking (allowed by zlib but slow/limited), putback and read/write access | 23 | * seeking (allowed by zlib but slow/limited), putback and read/write access |
24 | * (tricky). Otherwise, it attempts to be a drop-in replacement for the standard | 24 | * (tricky). Otherwise, it attempts to be a drop-in replacement for the standard |
25 | * file streambuf. | 25 | * file streambuf. |
26 | */ | 26 | */ |
27 | class gzfilebuf : public std::streambuf | 27 | class gzfilebuf : public std::streambuf |
28 | { | 28 | { |
29 | public: | 29 | public: |
30 | // Default constructor. | 30 | // Default constructor. |
31 | gzfilebuf(); | 31 | gzfilebuf(); |
32 | 32 | ||
33 | // Destructor. | 33 | // Destructor. |
34 | virtual | 34 | virtual |
35 | ~gzfilebuf(); | 35 | ~gzfilebuf(); |
36 | 36 | ||
37 | /** | 37 | /** |
38 | * @brief Set compression level and strategy on the fly. | 38 | * @brief Set compression level and strategy on the fly. |
39 | * @param comp_level Compression level (see zlib.h for allowed values) | 39 | * @param comp_level Compression level (see zlib.h for allowed values) |
40 | * @param comp_strategy Compression strategy (see zlib.h for allowed values) | 40 | * @param comp_strategy Compression strategy (see zlib.h for allowed values) |
41 | * @return Z_OK on success, Z_STREAM_ERROR otherwise. | 41 | * @return Z_OK on success, Z_STREAM_ERROR otherwise. |
42 | * | 42 | * |
43 | * Unfortunately, these parameters cannot be modified separately, as the | 43 | * Unfortunately, these parameters cannot be modified separately, as the |
44 | * previous zfstream version assumed. Since the strategy is seldom changed, | 44 | * previous zfstream version assumed. Since the strategy is seldom changed, |
45 | * it can default and setcompression(level) then becomes like the old | 45 | * it can default and setcompression(level) then becomes like the old |
46 | * setcompressionlevel(level). | 46 | * setcompressionlevel(level). |
47 | */ | 47 | */ |
48 | int | 48 | int |
49 | setcompression(int comp_level, | 49 | setcompression(int comp_level, |
50 | int comp_strategy = Z_DEFAULT_STRATEGY); | 50 | int comp_strategy = Z_DEFAULT_STRATEGY); |
51 | 51 | ||
52 | /** | 52 | /** |
53 | * @brief Check if file is open. | 53 | * @brief Check if file is open. |
54 | * @return True if file is open. | 54 | * @return True if file is open. |
55 | */ | 55 | */ |
56 | bool | 56 | bool |
57 | is_open() const { return (file != NULL); } | 57 | is_open() const { return (file != NULL); } |
58 | 58 | ||
59 | /** | 59 | /** |
60 | * @brief Open gzipped file. | 60 | * @brief Open gzipped file. |
61 | * @param name File name. | 61 | * @param name File name. |
62 | * @param mode Open mode flags. | 62 | * @param mode Open mode flags. |
63 | * @return @c this on success, NULL on failure. | 63 | * @return @c this on success, NULL on failure. |
64 | */ | 64 | */ |
65 | gzfilebuf* | 65 | gzfilebuf* |
66 | open(const char* name, | 66 | open(const char* name, |
67 | std::ios_base::openmode mode); | 67 | std::ios_base::openmode mode); |
68 | 68 | ||
69 | /** | 69 | /** |
70 | * @brief Attach to already open gzipped file. | 70 | * @brief Attach to already open gzipped file. |
71 | * @param fd File descriptor. | 71 | * @param fd File descriptor. |
72 | * @param mode Open mode flags. | 72 | * @param mode Open mode flags. |
73 | * @return @c this on success, NULL on failure. | 73 | * @return @c this on success, NULL on failure. |
74 | */ | 74 | */ |
75 | gzfilebuf* | 75 | gzfilebuf* |
76 | attach(int fd, | 76 | attach(int fd, |
77 | std::ios_base::openmode mode); | 77 | std::ios_base::openmode mode); |
78 | 78 | ||
79 | /** | 79 | /** |
80 | * @brief Close gzipped file. | 80 | * @brief Close gzipped file. |
81 | * @return @c this on success, NULL on failure. | 81 | * @return @c this on success, NULL on failure. |
82 | */ | 82 | */ |
83 | gzfilebuf* | 83 | gzfilebuf* |
84 | close(); | 84 | close(); |
85 | 85 | ||
86 | protected: | 86 | protected: |
87 | /** | 87 | /** |
88 | * @brief Convert ios open mode int to mode string used by zlib. | 88 | * @brief Convert ios open mode int to mode string used by zlib. |
89 | * @return True if valid mode flag combination. | 89 | * @return True if valid mode flag combination. |
90 | */ | 90 | */ |
91 | bool | 91 | bool |
92 | open_mode(std::ios_base::openmode mode, | 92 | open_mode(std::ios_base::openmode mode, |
93 | char* c_mode) const; | 93 | char* c_mode) const; |
94 | 94 | ||
95 | /** | 95 | /** |
96 | * @brief Number of characters available in stream buffer. | 96 | * @brief Number of characters available in stream buffer. |
97 | * @return Number of characters. | 97 | * @return Number of characters. |
98 | * | 98 | * |
99 | * This indicates number of characters in get area of stream buffer. | 99 | * This indicates number of characters in get area of stream buffer. |
100 | * These characters can be read without accessing the gzipped file. | 100 | * These characters can be read without accessing the gzipped file. |
101 | */ | 101 | */ |
102 | virtual std::streamsize | 102 | virtual std::streamsize |
103 | showmanyc(); | 103 | showmanyc(); |
104 | 104 | ||
105 | /** | 105 | /** |
106 | * @brief Fill get area from gzipped file. | 106 | * @brief Fill get area from gzipped file. |
107 | * @return First character in get area on success, EOF on error. | 107 | * @return First character in get area on success, EOF on error. |
108 | * | 108 | * |
109 | * This actually reads characters from gzipped file to stream | 109 | * This actually reads characters from gzipped file to stream |
110 | * buffer. Always buffered. | 110 | * buffer. Always buffered. |
111 | */ | 111 | */ |
112 | virtual int_type | 112 | virtual int_type |
113 | underflow(); | 113 | underflow(); |
114 | 114 | ||
115 | /** | 115 | /** |
116 | * @brief Write put area to gzipped file. | 116 | * @brief Write put area to gzipped file. |
117 | * @param c Extra character to add to buffer contents. | 117 | * @param c Extra character to add to buffer contents. |
118 | * @return Non-EOF on success, EOF on error. | 118 | * @return Non-EOF on success, EOF on error. |
119 | * | 119 | * |
120 | * This actually writes characters in stream buffer to | 120 | * This actually writes characters in stream buffer to |
121 | * gzipped file. With unbuffered output this is done one | 121 | * gzipped file. With unbuffered output this is done one |
122 | * character at a time. | 122 | * character at a time. |
123 | */ | 123 | */ |
124 | virtual int_type | 124 | virtual int_type |
125 | overflow(int_type c = traits_type::eof()); | 125 | overflow(int_type c = traits_type::eof()); |
126 | 126 | ||
127 | /** | 127 | /** |
128 | * @brief Installs external stream buffer. | 128 | * @brief Installs external stream buffer. |
129 | * @param p Pointer to char buffer. | 129 | * @param p Pointer to char buffer. |
130 | * @param n Size of external buffer. | 130 | * @param n Size of external buffer. |
131 | * @return @c this on success, NULL on failure. | 131 | * @return @c this on success, NULL on failure. |
132 | * | 132 | * |
133 | * Call setbuf(0,0) to enable unbuffered output. | 133 | * Call setbuf(0,0) to enable unbuffered output. |
134 | */ | 134 | */ |
135 | virtual std::streambuf* | 135 | virtual std::streambuf* |
136 | setbuf(char_type* p, | 136 | setbuf(char_type* p, |
137 | std::streamsize n); | 137 | std::streamsize n); |
138 | 138 | ||
139 | /** | 139 | /** |
140 | * @brief Flush stream buffer to file. | 140 | * @brief Flush stream buffer to file. |
141 | * @return 0 on success, -1 on error. | 141 | * @return 0 on success, -1 on error. |
142 | * | 142 | * |
143 | * This calls underflow(EOF) to do the job. | 143 | * This calls underflow(EOF) to do the job. |
144 | */ | 144 | */ |
145 | virtual int | 145 | virtual int |
146 | sync(); | 146 | sync(); |
147 | 147 | ||
148 | // | 148 | // |
149 | // Some future enhancements | 149 | // Some future enhancements |
150 | // | 150 | // |
151 | // virtual int_type uflow(); | 151 | // virtual int_type uflow(); |
152 | // virtual int_type pbackfail(int_type c = traits_type::eof()); | 152 | // virtual int_type pbackfail(int_type c = traits_type::eof()); |
153 | // virtual pos_type | 153 | // virtual pos_type |
154 | // seekoff(off_type off, | 154 | // seekoff(off_type off, |
155 | // std::ios_base::seekdir way, | 155 | // std::ios_base::seekdir way, |
156 | // std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); | 156 | // std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); |
157 | // virtual pos_type | 157 | // virtual pos_type |
158 | // seekpos(pos_type sp, | 158 | // seekpos(pos_type sp, |
159 | // std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); | 159 | // std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); |
160 | 160 | ||
161 | private: | 161 | private: |
162 | /** | 162 | /** |
163 | * @brief Allocate internal buffer. | 163 | * @brief Allocate internal buffer. |
164 | * | 164 | * |
165 | * This function is safe to call multiple times. It will ensure | 165 | * This function is safe to call multiple times. It will ensure |
166 | * that a proper internal buffer exists if it is required. If the | 166 | * that a proper internal buffer exists if it is required. If the |
167 | * buffer already exists or is external, the buffer pointers will be | 167 | * buffer already exists or is external, the buffer pointers will be |
168 | * reset to their original state. | 168 | * reset to their original state. |
169 | */ | 169 | */ |
170 | void | 170 | void |
171 | enable_buffer(); | 171 | enable_buffer(); |
172 | 172 | ||
173 | /** | 173 | /** |
174 | * @brief Destroy internal buffer. | 174 | * @brief Destroy internal buffer. |
175 | * | 175 | * |
176 | * This function is safe to call multiple times. It will ensure | 176 | * This function is safe to call multiple times. It will ensure |
177 | * that the internal buffer is deallocated if it exists. In any | 177 | * that the internal buffer is deallocated if it exists. In any |
178 | * case, it will also reset the buffer pointers. | 178 | * case, it will also reset the buffer pointers. |
179 | */ | 179 | */ |
180 | void | 180 | void |
181 | disable_buffer(); | 181 | disable_buffer(); |
182 | 182 | ||
183 | /** | 183 | /** |
184 | * Underlying file pointer. | 184 | * Underlying file pointer. |
185 | */ | 185 | */ |
186 | gzFile file; | 186 | gzFile file; |
187 | 187 | ||
188 | /** | 188 | /** |
189 | * Mode in which file was opened. | 189 | * Mode in which file was opened. |
190 | */ | 190 | */ |
191 | std::ios_base::openmode io_mode; | 191 | std::ios_base::openmode io_mode; |
192 | 192 | ||
193 | /** | 193 | /** |
194 | * @brief True if this object owns file descriptor. | 194 | * @brief True if this object owns file descriptor. |
195 | * | 195 | * |
196 | * This makes the class responsible for closing the file | 196 | * This makes the class responsible for closing the file |
197 | * upon destruction. | 197 | * upon destruction. |
198 | */ | 198 | */ |
199 | bool own_fd; | 199 | bool own_fd; |
200 | 200 | ||
201 | /** | 201 | /** |
202 | * @brief Stream buffer. | 202 | * @brief Stream buffer. |
203 | * | 203 | * |
204 | * For simplicity this remains allocated on the free store for the | 204 | * For simplicity this remains allocated on the free store for the |
205 | * entire life span of the gzfilebuf object, unless replaced by setbuf. | 205 | * entire life span of the gzfilebuf object, unless replaced by setbuf. |
206 | */ | 206 | */ |
207 | char_type* buffer; | 207 | char_type* buffer; |
208 | 208 | ||
209 | /** | 209 | /** |
210 | * @brief Stream buffer size. | 210 | * @brief Stream buffer size. |
211 | * | 211 | * |
212 | * Defaults to system default buffer size (typically 8192 bytes). | 212 | * Defaults to system default buffer size (typically 8192 bytes). |
213 | * Modified by setbuf. | 213 | * Modified by setbuf. |
214 | */ | 214 | */ |
215 | std::streamsize buffer_size; | 215 | std::streamsize buffer_size; |
216 | 216 | ||
217 | /** | 217 | /** |
218 | * @brief True if this object owns stream buffer. | 218 | * @brief True if this object owns stream buffer. |
219 | * | 219 | * |
220 | * This makes the class responsible for deleting the buffer | 220 | * This makes the class responsible for deleting the buffer |
221 | * upon destruction. | 221 | * upon destruction. |
222 | */ | 222 | */ |
223 | bool own_buffer; | 223 | bool own_buffer; |
@@ -231,49 +231,49 @@ private: | |||
231 | * This class implements ifstream for gzipped files. Seeking and putback | 231 | * This class implements ifstream for gzipped files. Seeking and putback |
232 | * is not supported yet. | 232 | * is not supported yet. |
233 | */ | 233 | */ |
234 | class gzifstream : public std::istream | 234 | class gzifstream : public std::istream |
235 | { | 235 | { |
236 | public: | 236 | public: |
237 | // Default constructor | 237 | // Default constructor |
238 | gzifstream(); | 238 | gzifstream(); |
239 | 239 | ||
240 | /** | 240 | /** |
241 | * @brief Construct stream on gzipped file to be opened. | 241 | * @brief Construct stream on gzipped file to be opened. |
242 | * @param name File name. | 242 | * @param name File name. |
243 | * @param mode Open mode flags (forced to contain ios::in). | 243 | * @param mode Open mode flags (forced to contain ios::in). |
244 | */ | 244 | */ |
245 | explicit | 245 | explicit |
246 | gzifstream(const char* name, | 246 | gzifstream(const char* name, |
247 | std::ios_base::openmode mode = std::ios_base::in); | 247 | std::ios_base::openmode mode = std::ios_base::in); |
248 | 248 | ||
249 | /** | 249 | /** |
250 | * @brief Construct stream on already open gzipped file. | 250 | * @brief Construct stream on already open gzipped file. |
251 | * @param fd File descriptor. | 251 | * @param fd File descriptor. |
252 | * @param mode Open mode flags (forced to contain ios::in). | 252 | * @param mode Open mode flags (forced to contain ios::in). |
253 | */ | 253 | */ |
254 | explicit | 254 | explicit |
255 | gzifstream(int fd, | 255 | gzifstream(int fd, |
256 | std::ios_base::openmode mode = std::ios_base::in); | 256 | std::ios_base::openmode mode = std::ios_base::in); |
257 | 257 | ||
258 | /** | 258 | /** |
259 | * Obtain underlying stream buffer. | 259 | * Obtain underlying stream buffer. |
260 | */ | 260 | */ |
261 | gzfilebuf* | 261 | gzfilebuf* |
262 | rdbuf() const | 262 | rdbuf() const |
263 | { return const_cast<gzfilebuf*>(&sb); } | 263 | { return const_cast<gzfilebuf*>(&sb); } |
264 | 264 | ||
265 | /** | 265 | /** |
266 | * @brief Check if file is open. | 266 | * @brief Check if file is open. |
267 | * @return True if file is open. | 267 | * @return True if file is open. |
268 | */ | 268 | */ |
269 | bool | 269 | bool |
270 | is_open() { return sb.is_open(); } | 270 | is_open() { return sb.is_open(); } |
271 | 271 | ||
272 | /** | 272 | /** |
273 | * @brief Open gzipped file. | 273 | * @brief Open gzipped file. |
274 | * @param name File name. | 274 | * @param name File name. |
275 | * @param mode Open mode flags (forced to contain ios::in). | 275 | * @param mode Open mode flags (forced to contain ios::in). |
276 | * | 276 | * |
277 | * Stream will be in state good() if file opens successfully; | 277 | * Stream will be in state good() if file opens successfully; |
278 | * otherwise in state fail(). This differs from the behavior of | 278 | * otherwise in state fail(). This differs from the behavior of |
279 | * ifstream, which never sets the state to good() and therefore | 279 | * ifstream, which never sets the state to good() and therefore |
@@ -281,34 +281,34 @@ public: | |||
281 | * you manually clear() the state. The choice is a matter of | 281 | * you manually clear() the state. The choice is a matter of |
282 | * convenience. | 282 | * convenience. |
283 | */ | 283 | */ |
284 | void | 284 | void |
285 | open(const char* name, | 285 | open(const char* name, |
286 | std::ios_base::openmode mode = std::ios_base::in); | 286 | std::ios_base::openmode mode = std::ios_base::in); |
287 | 287 | ||
288 | /** | 288 | /** |
289 | * @brief Attach to already open gzipped file. | 289 | * @brief Attach to already open gzipped file. |
290 | * @param fd File descriptor. | 290 | * @param fd File descriptor. |
291 | * @param mode Open mode flags (forced to contain ios::in). | 291 | * @param mode Open mode flags (forced to contain ios::in). |
292 | * | 292 | * |
293 | * Stream will be in state good() if attach succeeded; otherwise | 293 | * Stream will be in state good() if attach succeeded; otherwise |
294 | * in state fail(). | 294 | * in state fail(). |
295 | */ | 295 | */ |
296 | void | 296 | void |
297 | attach(int fd, | 297 | attach(int fd, |
298 | std::ios_base::openmode mode = std::ios_base::in); | 298 | std::ios_base::openmode mode = std::ios_base::in); |
299 | 299 | ||
300 | /** | 300 | /** |
301 | * @brief Close gzipped file. | 301 | * @brief Close gzipped file. |
302 | * | 302 | * |
303 | * Stream will be in state fail() if close failed. | 303 | * Stream will be in state fail() if close failed. |
304 | */ | 304 | */ |
305 | void | 305 | void |
306 | close(); | 306 | close(); |
307 | 307 | ||
308 | private: | 308 | private: |
309 | /** | 309 | /** |
310 | * Underlying stream buffer. | 310 | * Underlying stream buffer. |
311 | */ | 311 | */ |
312 | gzfilebuf sb; | 312 | gzfilebuf sb; |
313 | }; | 313 | }; |
314 | 314 | ||
@@ -325,44 +325,44 @@ class gzofstream : public std::ostream | |||
325 | public: | 325 | public: |
326 | // Default constructor | 326 | // Default constructor |
327 | gzofstream(); | 327 | gzofstream(); |
328 | 328 | ||
329 | /** | 329 | /** |
330 | * @brief Construct stream on gzipped file to be opened. | 330 | * @brief Construct stream on gzipped file to be opened. |
331 | * @param name File name. | 331 | * @param name File name. |
332 | * @param mode Open mode flags (forced to contain ios::out). | 332 | * @param mode Open mode flags (forced to contain ios::out). |
333 | */ | 333 | */ |
334 | explicit | 334 | explicit |
335 | gzofstream(const char* name, | 335 | gzofstream(const char* name, |
336 | std::ios_base::openmode mode = std::ios_base::out); | 336 | std::ios_base::openmode mode = std::ios_base::out); |
337 | 337 | ||
338 | /** | 338 | /** |
339 | * @brief Construct stream on already open gzipped file. | 339 | * @brief Construct stream on already open gzipped file. |
340 | * @param fd File descriptor. | 340 | * @param fd File descriptor. |
341 | * @param mode Open mode flags (forced to contain ios::out). | 341 | * @param mode Open mode flags (forced to contain ios::out). |
342 | */ | 342 | */ |
343 | explicit | 343 | explicit |
344 | gzofstream(int fd, | 344 | gzofstream(int fd, |
345 | std::ios_base::openmode mode = std::ios_base::out); | 345 | std::ios_base::openmode mode = std::ios_base::out); |
346 | 346 | ||
347 | /** | 347 | /** |
348 | * Obtain underlying stream buffer. | 348 | * Obtain underlying stream buffer. |
349 | */ | 349 | */ |
350 | gzfilebuf* | 350 | gzfilebuf* |
351 | rdbuf() const | 351 | rdbuf() const |
352 | { return const_cast<gzfilebuf*>(&sb); } | 352 | { return const_cast<gzfilebuf*>(&sb); } |
353 | 353 | ||
354 | /** | 354 | /** |
355 | * @brief Check if file is open. | 355 | * @brief Check if file is open. |
356 | * @return True if file is open. | 356 | * @return True if file is open. |
357 | */ | 357 | */ |
358 | bool | 358 | bool |
359 | is_open() { return sb.is_open(); } | 359 | is_open() { return sb.is_open(); } |
360 | 360 | ||
361 | /** | 361 | /** |
362 | * @brief Open gzipped file. | 362 | * @brief Open gzipped file. |
363 | * @param name File name. | 363 | * @param name File name. |
364 | * @param mode Open mode flags (forced to contain ios::out). | 364 | * @param mode Open mode flags (forced to contain ios::out). |
365 | * | 365 | * |
366 | * Stream will be in state good() if file opens successfully; | 366 | * Stream will be in state good() if file opens successfully; |
367 | * otherwise in state fail(). This differs from the behavior of | 367 | * otherwise in state fail(). This differs from the behavior of |
368 | * ofstream, which never sets the state to good() and therefore | 368 | * ofstream, which never sets the state to good() and therefore |
@@ -370,39 +370,39 @@ public: | |||
370 | * you manually clear() the state. The choice is a matter of | 370 | * you manually clear() the state. The choice is a matter of |
371 | * convenience. | 371 | * convenience. |
372 | */ | 372 | */ |
373 | void | 373 | void |
374 | open(const char* name, | 374 | open(const char* name, |
375 | std::ios_base::openmode mode = std::ios_base::out); | 375 | std::ios_base::openmode mode = std::ios_base::out); |
376 | 376 | ||
377 | /** | 377 | /** |
378 | * @brief Attach to already open gzipped file. | 378 | * @brief Attach to already open gzipped file. |
379 | * @param fd File descriptor. | 379 | * @param fd File descriptor. |
380 | * @param mode Open mode flags (forced to contain ios::out). | 380 | * @param mode Open mode flags (forced to contain ios::out). |
381 | * | 381 | * |
382 | * Stream will be in state good() if attach succeeded; otherwise | 382 | * Stream will be in state good() if attach succeeded; otherwise |
383 | * in state fail(). | 383 | * in state fail(). |
384 | */ | 384 | */ |
385 | void | 385 | void |
386 | attach(int fd, | 386 | attach(int fd, |
387 | std::ios_base::openmode mode = std::ios_base::out); | 387 | std::ios_base::openmode mode = std::ios_base::out); |
388 | 388 | ||
389 | /** | 389 | /** |
390 | * @brief Close gzipped file. | 390 | * @brief Close gzipped file. |
391 | * | 391 | * |
392 | * Stream will be in state fail() if close failed. | 392 | * Stream will be in state fail() if close failed. |
393 | */ | 393 | */ |
394 | void | 394 | void |
395 | close(); | 395 | close(); |
396 | 396 | ||
397 | private: | 397 | private: |
398 | /** | 398 | /** |
399 | * Underlying stream buffer. | 399 | * Underlying stream buffer. |
400 | */ | 400 | */ |
401 | gzfilebuf sb; | 401 | gzfilebuf sb; |
402 | }; | 402 | }; |
403 | 403 | ||
404 | /*****************************************************************************/ | 404 | /*****************************************************************************/ |
405 | 405 | ||
406 | /** | 406 | /** |
407 | * @brief Gzipped file output stream manipulator class. | 407 | * @brief Gzipped file output stream manipulator class. |
408 | * | 408 | * |
@@ -415,28 +415,28 @@ template<typename T1, typename T2> | |||
415 | public: | 415 | public: |
416 | // Allows insertor to peek at internals | 416 | // Allows insertor to peek at internals |
417 | template <typename Ta, typename Tb> | 417 | template <typename Ta, typename Tb> |
418 | friend gzofstream& | 418 | friend gzofstream& |
419 | operator<<(gzofstream&, | 419 | operator<<(gzofstream&, |
420 | const gzomanip2<Ta,Tb>&); | 420 | const gzomanip2<Ta,Tb>&); |
421 | 421 | ||
422 | // Constructor | 422 | // Constructor |
423 | gzomanip2(gzofstream& (*f)(gzofstream&, T1, T2), | 423 | gzomanip2(gzofstream& (*f)(gzofstream&, T1, T2), |
424 | T1 v1, | 424 | T1 v1, |
425 | T2 v2); | 425 | T2 v2); |
426 | private: | 426 | private: |
427 | // Underlying manipulator function | 427 | // Underlying manipulator function |
428 | gzofstream& | 428 | gzofstream& |
429 | (*func)(gzofstream&, T1, T2); | 429 | (*func)(gzofstream&, T1, T2); |
430 | 430 | ||
431 | // Arguments for manipulator function | 431 | // Arguments for manipulator function |
432 | T1 val1; | 432 | T1 val1; |
433 | T2 val2; | 433 | T2 val2; |
434 | }; | 434 | }; |
435 | 435 | ||
436 | /*****************************************************************************/ | 436 | /*****************************************************************************/ |
437 | 437 | ||
438 | // Manipulator function thunks through to stream buffer | 438 | // Manipulator function thunks through to stream buffer |
439 | inline gzofstream& | 439 | inline gzofstream& |
440 | setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY) | 440 | setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY) |
441 | { | 441 | { |
442 | (gzs.rdbuf())->setcompression(l, s); | 442 | (gzs.rdbuf())->setcompression(l, s); |
@@ -445,22 +445,22 @@ setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY) | |||
445 | 445 | ||
446 | // Manipulator constructor stores arguments | 446 | // Manipulator constructor stores arguments |
447 | template<typename T1, typename T2> | 447 | template<typename T1, typename T2> |
448 | inline | 448 | inline |
449 | gzomanip2<T1,T2>::gzomanip2(gzofstream &(*f)(gzofstream &, T1, T2), | 449 | gzomanip2<T1,T2>::gzomanip2(gzofstream &(*f)(gzofstream &, T1, T2), |
450 | T1 v1, | 450 | T1 v1, |
451 | T2 v2) | 451 | T2 v2) |
452 | : func(f), val1(v1), val2(v2) | 452 | : func(f), val1(v1), val2(v2) |
453 | { } | 453 | { } |
454 | 454 | ||
455 | // Insertor applies underlying manipulator function to stream | 455 | // Insertor applies underlying manipulator function to stream |
456 | template<typename T1, typename T2> | 456 | template<typename T1, typename T2> |
457 | inline gzofstream& | 457 | inline gzofstream& |
458 | operator<<(gzofstream& s, const gzomanip2<T1,T2>& m) | 458 | operator<<(gzofstream& s, const gzomanip2<T1,T2>& m) |
459 | { return (*m.func)(s, m.val1, m.val2); } | 459 | { return (*m.func)(s, m.val1, m.val2); } |
460 | 460 | ||
461 | // Insert this onto stream to simplify setting of compression level | 461 | // Insert this onto stream to simplify setting of compression level |
462 | inline gzomanip2<int,int> | 462 | inline gzomanip2<int,int> |
463 | setcompression(int l, int s = Z_DEFAULT_STRATEGY) | 463 | setcompression(int l, int s = Z_DEFAULT_STRATEGY) |
464 | { return gzomanip2<int,int>(&setcompression, l, s); } | 464 | { return gzomanip2<int,int>(&setcompression, l, s); } |
465 | 465 | ||
466 | #endif // ZFSTREAM_H | 466 | #endif // ZFSTREAM_H |