summaryrefslogtreecommitdiffstats
path: root/toolkit/components/places/SQLFunctions.h
blob: 0b0dbca9703871ba02b491fd3c6559cb4ba904ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
/* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_places_SQLFunctions_h_
#define mozilla_places_SQLFunctions_h_

/**
 * This file contains functions that Places adds to the database handle that can
 * be accessed by SQL queries.
 *
 * Keep the GUID-related parts of this file in sync with
 * toolkit/downloads/SQLFunctions.[h|cpp]!
 */

#include "mozIStorageFunction.h"
#include "mozilla/Attributes.h"

class mozIStorageConnection;

namespace mozilla {
namespace places {

////////////////////////////////////////////////////////////////////////////////
//// AutoComplete Matching Function

/**
 * This function is used to determine if a given set of data should match an
 * AutoComplete query.
 *
 * In SQL, you'd use it in the WHERE clause like so:
 * WHERE AUTOCOMPLETE_MATCH(aSearchString, aURL, aTitle, aTags, aVisitCount,
 *                          aTyped, aBookmark, aOpenPageCount, aMatchBehavior,
 *                          aSearchBehavior, aFallbackTitle)
 *
 * @param aSearchString
 *        The string to compare against.
 * @param aURL
 *        The URL to test for an AutoComplete match.
 * @param aTitle
 *        The title to test for an AutoComplete match.
 * @param aTags
 *        The tags to test for an AutoComplete match.
 * @param aVisitCount
 *        The number of visits aURL has.
 * @param aTyped
 *        Indicates if aURL is a typed URL or not.  Treated as a boolean.
 * @param aBookmark
 *        Indicates if aURL is a bookmark or not.  Treated as a boolean.
 * @param aOpenPageCount
 *        The number of times aURL has been registered as being open.  (See
 *        UrlbarProviderOpenTabs::registerOpenTab.)
 * @param aMatchBehavior
 *        The match behavior to use for this search.
 * @param aSearchBehavior
 *        A bitfield dictating the search behavior.
 * @param aFallbackTitle
 *        The title may come from a bookmark or a snapshot, in that case the
 *        caller can provide the original history title to match on both.
 */
class MatchAutoCompleteFunction final : public mozIStorageFunction {
 public:
  MatchAutoCompleteFunction();

  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~MatchAutoCompleteFunction() = default;

  /**
   * IntegerVariants for 0 and 1 are frequently used in awesomebar queries,
   * so we cache them to avoid allocating memory repeatedly.
   */
  nsCOMPtr<nsIVariant> mCachedZero;
  nsCOMPtr<nsIVariant> mCachedOne;

  /**
   * Argument Indexes
   */
  static const uint32_t kArgSearchString = 0;
  static const uint32_t kArgIndexURL = 1;
  static const uint32_t kArgIndexTitle = 2;
  static const uint32_t kArgIndexTags = 3;
  static const uint32_t kArgIndexVisitCount = 4;
  static const uint32_t kArgIndexTyped = 5;
  static const uint32_t kArgIndexBookmark = 6;
  static const uint32_t kArgIndexOpenPageCount = 7;
  static const uint32_t kArgIndexMatchBehavior = 8;
  static const uint32_t kArgIndexSearchBehavior = 9;
  static const uint32_t kArgIndexFallbackTitle = 10;
  static const uint32_t kArgIndexLength = 11;

  /**
   * Typedefs
   */
  typedef bool (*searchFunctionPtr)(const nsDependentCSubstring& aToken,
                                    const nsACString& aSourceString);

  typedef nsACString::const_char_iterator const_char_iterator;

  /**
   * Obtains the search function to match on.
   *
   * @param aBehavior
   *        The matching behavior to use defined by one of the
   *        mozIPlacesAutoComplete::MATCH_* values.
   * @return a pointer to the function that will perform the proper search.
   */
  static searchFunctionPtr getSearchFunction(int32_t aBehavior);

  /**
   * Tests if aSourceString starts with aToken.
   *
   * @param aToken
   *        The string to search for.
   * @param aSourceString
   *        The string to search.
   * @return true if found, false otherwise.
   */
  static bool findBeginning(const nsDependentCSubstring& aToken,
                            const nsACString& aSourceString);

  /**
   * Tests if aSourceString starts with aToken in a case sensitive way.
   *
   * @param aToken
   *        The string to search for.
   * @param aSourceString
   *        The string to search.
   * @return true if found, false otherwise.
   */
  static bool findBeginningCaseSensitive(const nsDependentCSubstring& aToken,
                                         const nsACString& aSourceString);

  /**
   * Searches aSourceString for aToken anywhere in the string in a case-
   * insensitive way.
   *
   * @param aToken
   *        The string to search for.
   * @param aSourceString
   *        The string to search.
   * @return true if found, false otherwise.
   */
  static bool findAnywhere(const nsDependentCSubstring& aToken,
                           const nsACString& aSourceString);

  /**
   * Tests if aToken is found on a word boundary in aSourceString.
   *
   * @param aToken
   *        The string to search for.
   * @param aSourceString
   *        The string to search.
   * @return true if found, false otherwise.
   */
  static bool findOnBoundary(const nsDependentCSubstring& aToken,
                             const nsACString& aSourceString);

  /**
   * Fixes a URI's spec such that it is ready to be searched.  This includes
   * unescaping escaped characters and removing certain specs that we do not
   * care to search for.
   *
   * @param aURISpec
   *        The spec of the URI to prepare for searching.
   * @param aMatchBehavior
   *        The matching behavior to use defined by one of the
   *        mozIPlacesAutoComplete::MATCH_* values.
   * @param aSpecBuf
   *        A string buffer that the returned slice can point into, if needed.
   * @return the fixed up string.
   */
  static nsDependentCSubstring fixupURISpec(const nsACString& aURISpec,
                                            int32_t aMatchBehavior,
                                            nsACString& aSpecBuf);
};

////////////////////////////////////////////////////////////////////////////////
//// Frecency Calculation Function

/**
 * This function is used to calculate frecency for a page.
 *
 * In SQL, you'd use it in when setting frecency like:
 * SET frecency = CALCULATE_FRECENCY(place_id).
 * Optional parameters must be passed in if the page is not yet in the database,
 * otherwise they will be fetched from it automatically.
 *
 * @param {int64_t} pageId
 *        The id of the page.  Pass -1 if the page is being added right now.
 * @param [optional] {int32_t} useRedirectBonus
 *        Whether we should use the lower redirect bonus for the most recent
 *        page visit.  If not passed in, it will use a database guess.
 */
class CalculateFrecencyFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~CalculateFrecencyFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Alternative Frecency Calculation Function

/**
 * This function is used to calculate alternative frecency for a page.
 *
 * In SQL, you'd use it in when setting frecency like:
 * SET alt_frecency = CALCULATE_ALT_FRECENCY(place_id).
 * Optional parameters must be passed in if the page is not yet in the database,
 * otherwise they will be fetched from it automatically.
 *
 * @param {int64_t} pageId
 *        The id of the page.  Pass -1 if the page is being added right now.
 * @param {int32_t} [useRedirectBonus]
 *        Whether we should use the lower redirect bonus for the most recent
 *        page visit.  If not passed in, it will use a database guess.
 */
class CalculateAltFrecencyFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~CalculateAltFrecencyFunction() = default;
};

/**
 * SQL function to generate a GUID for a place or bookmark item.  This is just
 * a wrapper around GenerateGUID in Helpers.h.
 *
 * @return a guid for the item.
 */
class GenerateGUIDFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~GenerateGUIDFunction() = default;
};

/**
 * SQL function to check if a GUID is valid.  This is just a wrapper around
 * IsValidGUID in Helpers.h.
 *
 * @return true if valid, false otherwise.
 */
class IsValidGUIDFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~IsValidGUIDFunction() = default;
};

/**
 * SQL function to unreverse the rev_host of a page.
 *
 * @param rev_host
 *        The rev_host value of the page.
 *
 * @return the unreversed host of the page.
 */
class GetUnreversedHostFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~GetUnreversedHostFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Fixup URL Function

/**
 * Make a given URL more suitable for searches, by removing common prefixes
 * such as "www."
 *
 * @param url
 *        A URL.
 * @return
 *        The same URL, with redundant parts removed.
 */
class FixupURLFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~FixupURLFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Store Last Inserted Id Function

/**
 * Store the last inserted id for reference purpose.
 *
 * @param tableName
 *        The table name.
 * @param id
 *        The last inserted id.
 * @return null
 */
class StoreLastInsertedIdFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~StoreLastInsertedIdFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Hash Function

/**
 * Calculates hash for a given string using the mfbt AddToHash function.
 *
 * @param string
 *        A string.
 * @return
 *        The hash for the string.
 */
class HashFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~HashFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// MD5 Function

/**
 * Calculates md5 hash for a given string.
 *
 * @param string
 *        A string.
 * @return
 *        The hash for the string.
 */
class MD5HexFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~MD5HexFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Get Query Param Function

/**
 * Extracts and returns the value of a parameter from a query string.
 *
 * @param string
 *        A string.
 * @return
 *        The value of the query parameter as a string, or NULL if not set.
 */
class GetQueryParamFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~GetQueryParamFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Get prefix function

/**
 * Gets the length of the prefix in a URL.  "Prefix" is defined to be the
 * scheme, colon, and, if present, two slashes.
 *
 * @param url
 *        A URL, or a string that may be a URL.
 * @return
 *        If `url` is actually a URL and has a prefix, then this returns the
 *        prefix.  Otherwise this returns an empty string.
 */
class GetPrefixFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~GetPrefixFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Get host and port function

/**
 * Gets the host and port substring of a URL.
 *
 * @param url
 *        A URL, or a string that may be a URL.
 * @return
 *        If `url` is actually a URL, or if it's a URL without the prefix, then
 *        this returns the host and port substring of the URL.  Otherwise, this
 *        returns `url` itself.
 */
class GetHostAndPortFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~GetHostAndPortFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Strip prefix function

/**
 * Gets the part of a URL after its prefix and userinfo; i.e., the substring
 * starting at the host.
 *
 * @param url
 *        A URL, or a string that may be a URL.
 * @return
 *        If `url` is actually a URL, or if it's a URL without the prefix, then
 *        this returns the substring starting at the host.  Otherwise, this
 *        returns `url` itself.
 */
class StripPrefixAndUserinfoFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~StripPrefixAndUserinfoFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Is frecency decaying function

/**
 * Returns nsNavHistory::IsFrecencyDecaying().
 *
 * @return
 *        True if frecency is currently decaying and false otherwise.
 */
class IsFrecencyDecayingFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~IsFrecencyDecayingFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Should start frecency recalculation function

/**
 * sets nsNavHistory::sShouldStartFrecencyRecalculation to true.
 * @returns {boolean} true
 */
class SetShouldStartFrecencyRecalculationFunction final
    : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~SetShouldStartFrecencyRecalculationFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Note Sync Change Function

/**
 * Bumps the global Sync change counter. See the comment above
 * `totalSyncChanges` in `nsINavBookmarksService` for a more detailed
 * explanation.
 */
class NoteSyncChangeFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~NoteSyncChangeFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Invalidate days of history Function

/**
 * Invalidate the days of history in nsNavHistory.
 */
class InvalidateDaysOfHistoryFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~InvalidateDaysOfHistoryFunction() = default;
};

////////////////////////////////////////////////////////////////////////////////
//// Target folder guid from places query Function

/**
 * Target folder guid from places query.
 */
class TargetFolderGuidFunction final : public mozIStorageFunction {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_MOZISTORAGEFUNCTION

  /**
   * Registers the function with the specified database connection.
   *
   * @param aDBConn
   *        The database connection to register with.
   */
  static nsresult create(mozIStorageConnection* aDBConn);

 private:
  ~TargetFolderGuidFunction() = default;
};

}  // namespace places
}  // namespace mozilla

#endif  // mozilla_places_SQLFunctions_h_