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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013-2014 Martin Ling <martin-sigrok@earth.li> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROK_HPP | |
21 | #define LIBSIGROK_HPP | |
22 | ||
23 | #include "libsigrok/libsigrok.h" | |
24 | #include <glibmm-2.4/glibmm.h> | |
25 | ||
26 | #include <stdexcept> | |
27 | #include <memory> | |
28 | #include <vector> | |
29 | #include <map> | |
30 | ||
31 | namespace sigrok | |
32 | { | |
33 | ||
34 | using namespace std; | |
35 | ||
36 | /* Forward declarations */ | |
37 | class SR_API Error; | |
38 | class SR_API Context; | |
39 | class SR_API Driver; | |
40 | class SR_API Device; | |
41 | class SR_API HardwareDevice; | |
42 | class SR_API Channel; | |
43 | class SR_API EventSource; | |
44 | class SR_API Session; | |
45 | class SR_API ConfigKey; | |
46 | class SR_API InputFormat; | |
47 | class SR_API OutputFormat; | |
48 | class SR_API LogLevel; | |
49 | class SR_API ChannelGroup; | |
50 | class SR_API Trigger; | |
51 | class SR_API TriggerStage; | |
52 | class SR_API TriggerMatch; | |
53 | class SR_API TriggerMatchType; | |
54 | class SR_API ChannelType; | |
55 | class SR_API Packet; | |
56 | class SR_API PacketPayload; | |
57 | class SR_API PacketType; | |
58 | class SR_API Quantity; | |
59 | class SR_API Unit; | |
60 | class SR_API QuantityFlag; | |
61 | class SR_API InputFileDevice; | |
62 | class SR_API Output; | |
63 | class SR_API DataType; | |
64 | ||
65 | /** Exception thrown when an error code is returned by any libsigrok call. */ | |
66 | class SR_API Error: public exception | |
67 | { | |
68 | public: | |
69 | Error(int result); | |
70 | ~Error() throw(); | |
71 | const int result; | |
72 | const char *what() const throw(); | |
73 | }; | |
74 | ||
75 | /** Base template for most classes which wrap a struct type from libsigrok. */ | |
76 | template <class Parent, typename Struct> class SR_API StructureWrapper : | |
77 | public enable_shared_from_this<StructureWrapper<Parent, Struct> > | |
78 | { | |
79 | public: | |
80 | /** Parent object which owns this child object's underlying structure. | |
81 | ||
82 | This shared pointer will be null when this child is unused, but | |
83 | will be assigned to point to the parent before any shared pointer | |
84 | to this child is handed out to the user. | |
85 | ||
86 | When the reference count of this child falls to zero, this shared | |
87 | pointer to its parent is reset by a custom deleter on the child's | |
88 | shared pointer. | |
89 | ||
90 | This strategy ensures that the destructors for both the child and | |
91 | the parent are called at the correct time, i.e. only when all | |
92 | references to both the parent and all its children are gone. */ | |
93 | shared_ptr<Parent> parent; | |
94 | protected: | |
95 | Struct *structure; | |
96 | ||
97 | StructureWrapper<Parent, Struct>(Struct *structure) : | |
98 | structure(structure) | |
99 | { | |
100 | } | |
101 | }; | |
102 | ||
103 | /** Type of log callback */ | |
104 | typedef function<void(const LogLevel *, string message)> LogCallbackFunction; | |
105 | ||
106 | /** Context */ | |
107 | class SR_API Context : public enable_shared_from_this<Context> | |
108 | { | |
109 | public: | |
110 | /** Create new context */ | |
111 | static shared_ptr<Context> create(); | |
112 | /** libsigrok package version. */ | |
113 | string get_package_version(); | |
114 | /** libsigrok library version. */ | |
115 | string get_lib_version(); | |
116 | /** Available hardware drivers, indexed by name. */ | |
117 | map<string, shared_ptr<Driver> > get_drivers(); | |
118 | /** Available input formats, indexed by name. */ | |
119 | map<string, shared_ptr<InputFormat> > get_input_formats(); | |
120 | /** Available output formats, indexed by name. */ | |
121 | map<string, shared_ptr<OutputFormat> > get_output_formats(); | |
122 | /** Current log level. */ | |
123 | const LogLevel *get_log_level(); | |
124 | /** Set the log level. */ | |
125 | void set_log_level(const LogLevel *level); | |
126 | /** Current log domain. */ | |
127 | string get_log_domain(); | |
128 | /** Set the log domain. */ | |
129 | void set_log_domain(string value); | |
130 | /** Set the log callback. */ | |
131 | void set_log_callback(LogCallbackFunction callback); | |
132 | /** Set the log callback to the default handler. */ | |
133 | void set_log_callback_default(); | |
134 | /** Create a new session. */ | |
135 | shared_ptr<Session> create_session(); | |
136 | /** Load a saved session. */ | |
137 | shared_ptr<Session> load_session(string filename); | |
138 | /** Create a new trigger. */ | |
139 | shared_ptr<Trigger> create_trigger(string name); | |
140 | protected: | |
141 | struct sr_context *structure; | |
142 | map<string, Driver *> drivers; | |
143 | map<string, InputFormat *> input_formats; | |
144 | map<string, OutputFormat *> output_formats; | |
145 | Session *session; | |
146 | LogCallbackFunction log_callback; | |
147 | Context(); | |
148 | ~Context(); | |
149 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
150 | class Deleter | |
151 | { | |
152 | public: | |
153 | void operator()(Context *context) { delete context; } | |
154 | }; | |
155 | friend class Deleter; | |
156 | friend class Session; | |
157 | friend class Driver; | |
158 | }; | |
159 | ||
160 | /** Hardware driver */ | |
161 | class SR_API Driver : public StructureWrapper<Context, struct sr_dev_driver> | |
162 | { | |
163 | public: | |
164 | /** Name of this driver. */ | |
165 | string get_name(); | |
166 | /** Long name for this driver. */ | |
167 | string get_long_name(); | |
168 | /** Scan for devices and return a list of devices found. */ | |
169 | vector<shared_ptr<HardwareDevice> > scan( | |
170 | map<const ConfigKey *, Glib::VariantBase> options = {}); | |
171 | protected: | |
172 | bool initialized; | |
173 | vector<HardwareDevice *> devices; | |
174 | Driver(struct sr_dev_driver *structure); | |
175 | ~Driver(); | |
176 | friend class Context; | |
177 | friend class HardwareDevice; | |
178 | friend class ChannelGroup; | |
179 | }; | |
180 | ||
181 | /** An object that can be configured. */ | |
182 | class SR_API Configurable | |
183 | { | |
184 | public: | |
185 | /** Read configuration for the given key. */ | |
186 | Glib::VariantBase config_get(const ConfigKey *key); | |
187 | /** Set configuration for the given key to a specified value. */ | |
188 | void config_set(const ConfigKey *key, Glib::VariantBase value); | |
189 | /** Enumerate available values for the given configuration key. */ | |
190 | Glib::VariantBase config_list(const ConfigKey *key); | |
191 | protected: | |
192 | Configurable( | |
193 | struct sr_dev_driver *driver, | |
194 | struct sr_dev_inst *sdi, | |
195 | struct sr_channel_group *channel_group); | |
196 | virtual ~Configurable(); | |
197 | struct sr_dev_driver *config_driver; | |
198 | struct sr_dev_inst *config_sdi; | |
199 | struct sr_channel_group *config_channel_group; | |
200 | }; | |
201 | ||
202 | /** Generic device (may be real or from an input file) */ | |
203 | class SR_API Device : | |
204 | public Configurable, | |
205 | public StructureWrapper<Context, struct sr_dev_inst> | |
206 | { | |
207 | public: | |
208 | /** Vendor name for this device. */ | |
209 | string get_vendor(); | |
210 | /** Model name for this device. */ | |
211 | string get_model(); | |
212 | /** Version string for this device. */ | |
213 | string get_version(); | |
214 | /** List of the channels available on this device. */ | |
215 | vector<shared_ptr<Channel> > get_channels(); | |
216 | /** Open device. */ | |
217 | void open(); | |
218 | /** Close device. */ | |
219 | void close(); | |
220 | protected: | |
221 | Device(struct sr_dev_inst *structure); | |
222 | ~Device(); | |
223 | vector<Channel *> channels; | |
224 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
225 | class Deleter | |
226 | { | |
227 | public: | |
228 | void operator()(Device *device) { delete device; } | |
229 | }; | |
230 | friend class Deleter; | |
231 | friend class Session; | |
232 | friend class Channel; | |
233 | friend class ChannelGroup; | |
234 | friend class Output; | |
235 | }; | |
236 | ||
237 | /** Hardware device (connected via a driver) */ | |
238 | class SR_API HardwareDevice : public Device | |
239 | { | |
240 | public: | |
241 | /** Driver providing this device. */ | |
242 | shared_ptr<Driver> get_driver(); | |
243 | /** Channel groups available on this device, indexed by name. */ | |
244 | map<string, shared_ptr<ChannelGroup> > get_channel_groups(); | |
245 | protected: | |
246 | HardwareDevice(Driver *driver, struct sr_dev_inst *structure); | |
247 | ~HardwareDevice(); | |
248 | Driver *driver; | |
249 | map<string, ChannelGroup *> channel_groups; | |
250 | friend class Driver; | |
251 | friend class ChannelGroup; | |
252 | }; | |
253 | ||
254 | /** Channel */ | |
255 | class SR_API Channel : public StructureWrapper<Device, struct sr_channel> | |
256 | { | |
257 | public: | |
258 | /** Current name of this channel. */ | |
259 | string get_name(); | |
260 | /** Set the name of this channel. */ | |
261 | void set_name(string name); | |
262 | /** Type of this channel. */ | |
263 | const ChannelType *get_type(); | |
264 | /** Enabled status of this channel. */ | |
265 | bool get_enabled(); | |
266 | /** Set the enabled status of this channel. */ | |
267 | void set_enabled(bool value); | |
268 | protected: | |
269 | Channel(struct sr_channel *structure); | |
270 | ~Channel(); | |
271 | const ChannelType * const type; | |
272 | friend class Device; | |
273 | friend class ChannelGroup; | |
274 | friend class Session; | |
275 | friend class TriggerStage; | |
276 | }; | |
277 | ||
278 | /** Channel group */ | |
279 | class SR_API ChannelGroup : | |
280 | public StructureWrapper<HardwareDevice, struct sr_channel_group>, | |
281 | public Configurable | |
282 | { | |
283 | public: | |
284 | /** Name of this channel group. */ | |
285 | string get_name(); | |
286 | /** List of the channels in this group. */ | |
287 | vector<shared_ptr<Channel> > get_channels(); | |
288 | protected: | |
289 | ChannelGroup(HardwareDevice *device, struct sr_channel_group *structure); | |
290 | ~ChannelGroup(); | |
291 | vector<Channel *> channels; | |
292 | friend class HardwareDevice; | |
293 | }; | |
294 | ||
295 | /** Trigger */ | |
296 | class SR_API Trigger : public enable_shared_from_this<Trigger> | |
297 | { | |
298 | public: | |
299 | string get_name(); | |
300 | vector<shared_ptr<TriggerStage> > get_stages(); | |
301 | shared_ptr<TriggerStage> add_stage(); | |
302 | protected: | |
303 | Trigger(shared_ptr<Context> context, string name); | |
304 | ~Trigger(); | |
305 | struct sr_trigger *structure; | |
306 | shared_ptr<Context> context; | |
307 | vector<TriggerStage *> stages; | |
308 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
309 | class Deleter | |
310 | { | |
311 | public: | |
312 | void operator()(Trigger *trigger) { delete trigger; } | |
313 | }; | |
314 | friend class Context; | |
315 | }; | |
316 | ||
317 | /** Trigger stage */ | |
318 | class SR_API TriggerStage : public StructureWrapper<Trigger, struct sr_trigger_stage> | |
319 | { | |
320 | public: | |
321 | int get_number(); | |
322 | vector<shared_ptr<TriggerMatch> > get_matches(); | |
323 | void add_match(shared_ptr<Channel> channel, const TriggerMatchType *type); | |
324 | void add_match(shared_ptr<Channel> channel, const TriggerMatchType *type, float value); | |
325 | protected: | |
326 | vector<TriggerMatch *> matches; | |
327 | TriggerStage(struct sr_trigger_stage *structure); | |
328 | ~TriggerStage(); | |
329 | friend class Trigger; | |
330 | }; | |
331 | ||
332 | /** Trigger match */ | |
333 | class SR_API TriggerMatch : public StructureWrapper<TriggerStage, struct sr_trigger_match> | |
334 | { | |
335 | public: | |
336 | shared_ptr<Channel> get_channel(); | |
337 | const TriggerMatchType *get_type(); | |
338 | float get_value(); | |
339 | protected: | |
340 | TriggerMatch(struct sr_trigger_match *structure, shared_ptr<Channel> channel); | |
341 | ~TriggerMatch(); | |
342 | shared_ptr<Channel> channel; | |
343 | friend class TriggerStage; | |
344 | }; | |
345 | ||
346 | /** Type of datafeed callback */ | |
347 | typedef function<void(shared_ptr<Device>, shared_ptr<Packet>)> | |
348 | DatafeedCallbackFunction; | |
349 | ||
350 | /** Data required for C callback function to call a C++ datafeed callback */ | |
351 | class SR_PRIV DatafeedCallbackData | |
352 | { | |
353 | public: | |
354 | void run(const struct sr_dev_inst *sdi, | |
355 | const struct sr_datafeed_packet *pkt); | |
356 | protected: | |
357 | DatafeedCallbackFunction callback; | |
358 | DatafeedCallbackData(Session *session, | |
359 | DatafeedCallbackFunction callback); | |
360 | Session *session; | |
361 | friend class Session; | |
362 | }; | |
363 | ||
364 | /** Type of source callback */ | |
365 | typedef function<bool(Glib::IOCondition)> | |
366 | SourceCallbackFunction; | |
367 | ||
368 | /** Data required for C callback function to call a C++ source callback */ | |
369 | class SR_PRIV SourceCallbackData | |
370 | { | |
371 | public: | |
372 | bool run(int revents); | |
373 | protected: | |
374 | SourceCallbackData(shared_ptr<EventSource> source); | |
375 | shared_ptr<EventSource> source; | |
376 | friend class Session; | |
377 | }; | |
378 | ||
379 | /** Event source. */ | |
380 | class SR_API EventSource | |
381 | { | |
382 | public: | |
383 | /** Create an event source from a file descriptor. */ | |
384 | static shared_ptr<EventSource> create(int fd, Glib::IOCondition events, | |
385 | int timeout, SourceCallbackFunction callback); | |
386 | /** Create an event source from a Glib::PollFD */ | |
387 | static shared_ptr<EventSource> create(Glib::PollFD pollfd, int timeout, | |
388 | SourceCallbackFunction callback); | |
389 | /** Create an event source from a Glib::IOChannel */ | |
390 | static shared_ptr<EventSource> create( | |
391 | Glib::RefPtr<Glib::IOChannel> channel, Glib::IOCondition events, | |
392 | int timeout, SourceCallbackFunction callback); | |
393 | protected: | |
394 | EventSource(int timeout, SourceCallbackFunction callback); | |
395 | ~EventSource(); | |
396 | enum source_type { | |
397 | SOURCE_FD, | |
398 | SOURCE_POLLFD, | |
399 | SOURCE_IOCHANNEL | |
400 | } type; | |
401 | int fd; | |
402 | Glib::PollFD pollfd; | |
403 | Glib::RefPtr<Glib::IOChannel> channel; | |
404 | Glib::IOCondition events; | |
405 | int timeout; | |
406 | SourceCallbackFunction callback; | |
407 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
408 | class Deleter | |
409 | { | |
410 | public: | |
411 | void operator()(EventSource *source) { delete source; } | |
412 | }; | |
413 | friend class Deleter; | |
414 | friend class Session; | |
415 | friend class SourceCallbackData; | |
416 | }; | |
417 | ||
418 | /** Session */ | |
419 | class SR_API Session | |
420 | { | |
421 | public: | |
422 | /** Add a device to this session. */ | |
423 | void add_device(shared_ptr<Device> device); | |
424 | /** List devices attached to this session. */ | |
425 | vector<shared_ptr<Device> > get_devices(); | |
426 | /** Remove all devices from this session. */ | |
427 | void remove_devices(); | |
428 | /** Add a datafeed callback to this session. */ | |
429 | void add_datafeed_callback(DatafeedCallbackFunction callback); | |
430 | /** Remove all datafeed callbacks from this session. */ | |
431 | void remove_datafeed_callbacks(); | |
432 | /** Add an event source. */ | |
433 | void add_source(shared_ptr<EventSource> source); | |
434 | /** Remove an event source. */ | |
435 | void remove_source(shared_ptr<EventSource> source); | |
436 | /** Start the session. */ | |
437 | void start(); | |
438 | /** Run the session event loop. */ | |
439 | void run(); | |
440 | /** Stop the session. */ | |
441 | void stop(); | |
442 | /** Begin saving session to a file. */ | |
443 | void begin_save(string filename); | |
444 | /** Append a packet to the session file being saved. */ | |
445 | void append(shared_ptr<Device> device, shared_ptr<Packet> packet); | |
446 | protected: | |
447 | Session(shared_ptr<Context> context); | |
448 | Session(shared_ptr<Context> context, string filename); | |
449 | ~Session(); | |
450 | struct sr_session *structure; | |
451 | const shared_ptr<Context> context; | |
452 | map<const struct sr_dev_inst *, shared_ptr<Device> > devices; | |
453 | vector<DatafeedCallbackData *> datafeed_callbacks; | |
454 | map<shared_ptr<EventSource>, SourceCallbackData *> source_callbacks; | |
455 | bool saving; | |
456 | bool save_initialized; | |
457 | string save_filename; | |
458 | uint64_t save_samplerate; | |
459 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
460 | class Deleter | |
461 | { | |
462 | public: | |
463 | void operator()(Session *session) { delete session; } | |
464 | }; | |
465 | friend class Deleter; | |
466 | friend class Context; | |
467 | friend class DatafeedCallbackData; | |
468 | }; | |
469 | ||
470 | /** Datafeed packet */ | |
471 | class SR_API Packet | |
472 | { | |
473 | public: | |
474 | /** Payload of this packet. */ | |
475 | PacketPayload *get_payload(); | |
476 | protected: | |
477 | Packet(const struct sr_datafeed_packet *structure); | |
478 | ~Packet(); | |
479 | const struct sr_datafeed_packet *structure; | |
480 | PacketPayload *payload; | |
481 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
482 | class Deleter | |
483 | { | |
484 | public: | |
485 | void operator()(Packet *packet) { delete packet; } | |
486 | }; | |
487 | friend class Deleter; | |
488 | friend class Session; | |
489 | friend class Output; | |
490 | friend class DatafeedCallbackData; | |
491 | }; | |
492 | ||
493 | /** Abstract base class for datafeed packet payloads. */ | |
494 | class SR_API PacketPayload | |
495 | { | |
496 | protected: | |
497 | PacketPayload(); | |
498 | virtual ~PacketPayload() = 0; | |
499 | virtual void *get_data() = 0; | |
500 | virtual size_t get_data_size() = 0; | |
501 | friend class Packet; | |
502 | friend class Output; | |
503 | }; | |
504 | ||
505 | /** Logic data payload */ | |
506 | class SR_API Logic : public PacketPayload | |
507 | { | |
508 | protected: | |
509 | Logic(const struct sr_datafeed_logic *structure); | |
510 | ~Logic(); | |
511 | const struct sr_datafeed_logic *structure; | |
512 | vector<uint8_t> data; | |
513 | void *get_data(); | |
514 | size_t get_data_size(); | |
515 | friend class Packet; | |
516 | }; | |
517 | ||
518 | /** Analog data payload */ | |
519 | class SR_API Analog : public PacketPayload | |
520 | { | |
521 | public: | |
522 | /** Number of samples in this packet. */ | |
523 | unsigned int get_num_samples(); | |
524 | /** Measured quantity of the samples in this packet. */ | |
525 | const Quantity *get_mq(); | |
526 | /** Unit of the samples in this packet. */ | |
527 | const Unit *get_unit(); | |
528 | /** Measurement flags associated with the samples in this packet. */ | |
529 | vector<const QuantityFlag *> get_mq_flags(); | |
530 | protected: | |
531 | Analog(const struct sr_datafeed_analog *structure); | |
532 | ~Analog(); | |
533 | const struct sr_datafeed_analog *structure; | |
534 | void *get_data(); | |
535 | size_t get_data_size(); | |
536 | friend class Packet; | |
537 | }; | |
538 | ||
539 | /** Input format */ | |
540 | class SR_API InputFormat : | |
541 | public StructureWrapper<Context, struct sr_input_format> | |
542 | { | |
543 | public: | |
544 | /** Name of this input format. */ | |
545 | string get_name(); | |
546 | /** Description of this input format. */ | |
547 | string get_description(); | |
548 | /** Check whether a given file matches this input format. */ | |
549 | bool format_match(string filename); | |
550 | /** Open a file using this input format. */ | |
551 | shared_ptr<InputFileDevice> open_file(string filename, | |
552 | map<string, string> options = {}); | |
553 | protected: | |
554 | InputFormat(struct sr_input_format *structure); | |
555 | ~InputFormat(); | |
556 | friend class Context; | |
557 | friend class InputFileDevice; | |
558 | }; | |
559 | ||
560 | /** Virtual device associated with an input file */ | |
561 | class SR_API InputFileDevice : public Device | |
562 | { | |
563 | public: | |
564 | /** Load data from file. */ | |
565 | void load(); | |
566 | protected: | |
567 | InputFileDevice(shared_ptr<InputFormat> format, | |
568 | struct sr_input *input, string filename); | |
569 | ~InputFileDevice(); | |
570 | struct sr_input *input; | |
571 | shared_ptr<InputFormat> format; | |
572 | string filename; | |
573 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
574 | class Deleter | |
575 | { | |
576 | public: | |
577 | void operator()(InputFileDevice *device) { delete device; } | |
578 | }; | |
579 | friend class Deleter; | |
580 | friend class InputFormat; | |
581 | }; | |
582 | ||
583 | /** Output format */ | |
584 | class SR_API OutputFormat : | |
585 | public StructureWrapper<Context, struct sr_output_format> | |
586 | { | |
587 | public: | |
588 | /** Name of this output format. */ | |
589 | string get_name(); | |
590 | /** Description of this output format. */ | |
591 | string get_description(); | |
592 | /** Create an output using this format. */ | |
593 | shared_ptr<Output> create_output(shared_ptr<Device> device, map<string, string> options = {}); | |
594 | protected: | |
595 | OutputFormat(struct sr_output_format *structure); | |
596 | ~OutputFormat(); | |
597 | friend class Context; | |
598 | friend class Output; | |
599 | }; | |
600 | ||
601 | /** Output instance (an output format applied to a device) */ | |
602 | class SR_API Output | |
603 | { | |
604 | public: | |
605 | /** Update output with data from the given packet. */ | |
606 | string receive(shared_ptr<Packet> packet); | |
607 | protected: | |
608 | Output(shared_ptr<OutputFormat> format, shared_ptr<Device> device); | |
609 | Output(shared_ptr<OutputFormat> format, | |
610 | shared_ptr<Device> device, map<string, string> options); | |
611 | ~Output(); | |
612 | struct sr_output *structure; | |
613 | const shared_ptr<OutputFormat> format; | |
614 | const shared_ptr<Device> device; | |
615 | const map<string, string> options; | |
616 | /** Deleter needed to allow shared_ptr use with protected destructor. */ | |
617 | class Deleter | |
618 | { | |
619 | public: | |
620 | void operator()(Output *output) { delete output; } | |
621 | }; | |
622 | friend class Deleter; | |
623 | friend class OutputFormat; | |
624 | }; | |
625 | ||
626 | /** Base class for objects which wrap an enumeration value from libsigrok */ | |
627 | template <typename T> class SR_API EnumValue | |
628 | { | |
629 | public: | |
630 | /** The enum constant associated with this value. */ | |
631 | T get_id() const { return id; } | |
632 | /** The name associated with this value. */ | |
633 | string get_name() const { return name; } | |
634 | protected: | |
635 | EnumValue(T id, const char name[]) : id(id), name(name) {} | |
636 | ~EnumValue() {} | |
637 | const T id; | |
638 | const string name; | |
639 | }; | |
640 | ||
641 | #include "enums.hpp" | |
642 | ||
643 | } | |
644 | ||
645 | #endif // LIBSIGROK_HPP |