diff options
Diffstat (limited to 'chromium/third_party/sqlite/sqlite-src-3240000/ext/fts3/fts3Int.h')
| -rw-r--r-- | chromium/third_party/sqlite/sqlite-src-3240000/ext/fts3/fts3Int.h | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/chromium/third_party/sqlite/sqlite-src-3240000/ext/fts3/fts3Int.h b/chromium/third_party/sqlite/sqlite-src-3240000/ext/fts3/fts3Int.h deleted file mode 100644 index 077bad7f54c..00000000000 --- a/chromium/third_party/sqlite/sqlite-src-3240000/ext/fts3/fts3Int.h +++ /dev/null @@ -1,619 +0,0 @@ -/* -** 2009 Nov 12 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -*/ -#ifndef _FTSINT_H -#define _FTSINT_H - -#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) -# define NDEBUG 1 -#endif - -/* FTS3/FTS4 require virtual tables */ -#ifdef SQLITE_OMIT_VIRTUALTABLE -# undef SQLITE_ENABLE_FTS3 -# undef SQLITE_ENABLE_FTS4 -#endif - -/* -** FTS4 is really an extension for FTS3. It is enabled using the -** SQLITE_ENABLE_FTS3 macro. But to avoid confusion we also all -** the SQLITE_ENABLE_FTS4 macro to serve as an alisse for SQLITE_ENABLE_FTS3. -*/ -#if defined(SQLITE_ENABLE_FTS4) && !defined(SQLITE_ENABLE_FTS3) -# define SQLITE_ENABLE_FTS3 -#endif - -#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3) - -/* If not building as part of the core, include sqlite3ext.h. */ -#ifndef SQLITE_CORE -# include "sqlite3ext.h" -SQLITE_EXTENSION_INIT3 -#endif - -#include "sqlite3.h" -#include "fts3_tokenizer.h" -#include "fts3_hash.h" - -/* -** This constant determines the maximum depth of an FTS expression tree -** that the library will create and use. FTS uses recursion to perform -** various operations on the query tree, so the disadvantage of a large -** limit is that it may allow very large queries to use large amounts -** of stack space (perhaps causing a stack overflow). -*/ -#ifndef SQLITE_FTS3_MAX_EXPR_DEPTH -# define SQLITE_FTS3_MAX_EXPR_DEPTH 12 -#endif - - -/* -** This constant controls how often segments are merged. Once there are -** FTS3_MERGE_COUNT segments of level N, they are merged into a single -** segment of level N+1. -*/ -#define FTS3_MERGE_COUNT 16 - -/* -** This is the maximum amount of data (in bytes) to store in the -** Fts3Table.pendingTerms hash table. Normally, the hash table is -** populated as documents are inserted/updated/deleted in a transaction -** and used to create a new segment when the transaction is committed. -** However if this limit is reached midway through a transaction, a new -** segment is created and the hash table cleared immediately. -*/ -#define FTS3_MAX_PENDING_DATA (1*1024*1024) - -/* -** Macro to return the number of elements in an array. SQLite has a -** similar macro called ArraySize(). Use a different name to avoid -** a collision when building an amalgamation with built-in FTS3. -*/ -#define SizeofArray(X) ((int)(sizeof(X)/sizeof(X[0]))) - - -#ifndef MIN -# define MIN(x,y) ((x)<(y)?(x):(y)) -#endif -#ifndef MAX -# define MAX(x,y) ((x)>(y)?(x):(y)) -#endif - -/* -** Maximum length of a varint encoded integer. The varint format is different -** from that used by SQLite, so the maximum length is 10, not 9. -*/ -#define FTS3_VARINT_MAX 10 - -/* -** FTS4 virtual tables may maintain multiple indexes - one index of all terms -** in the document set and zero or more prefix indexes. All indexes are stored -** as one or more b+-trees in the %_segments and %_segdir tables. -** -** It is possible to determine which index a b+-tree belongs to based on the -** value stored in the "%_segdir.level" column. Given this value L, the index -** that the b+-tree belongs to is (L<<10). In other words, all b+-trees with -** level values between 0 and 1023 (inclusive) belong to index 0, all levels -** between 1024 and 2047 to index 1, and so on. -** -** It is considered impossible for an index to use more than 1024 levels. In -** theory though this may happen, but only after at least -** (FTS3_MERGE_COUNT^1024) separate flushes of the pending-terms tables. -*/ -#define FTS3_SEGDIR_MAXLEVEL 1024 -#define FTS3_SEGDIR_MAXLEVEL_STR "1024" - -/* -** The testcase() macro is only used by the amalgamation. If undefined, -** make it a no-op. -*/ -#ifndef testcase -# define testcase(X) -#endif - -/* -** Terminator values for position-lists and column-lists. -*/ -#define POS_COLUMN (1) /* Column-list terminator */ -#define POS_END (0) /* Position-list terminator */ - -/* -** This section provides definitions to allow the -** FTS3 extension to be compiled outside of the -** amalgamation. -*/ -#ifndef SQLITE_AMALGAMATION -/* -** Macros indicating that conditional expressions are always true or -** false. -*/ -#ifdef SQLITE_COVERAGE_TEST -# define ALWAYS(x) (1) -# define NEVER(X) (0) -#elif defined(SQLITE_DEBUG) -# define ALWAYS(x) sqlite3Fts3Always((x)!=0) -# define NEVER(x) sqlite3Fts3Never((x)!=0) -int sqlite3Fts3Always(int b); -int sqlite3Fts3Never(int b); -#else -# define ALWAYS(x) (x) -# define NEVER(x) (x) -#endif - -/* -** Internal types used by SQLite. -*/ -typedef unsigned char u8; /* 1-byte (or larger) unsigned integer */ -typedef short int i16; /* 2-byte (or larger) signed integer */ -typedef unsigned int u32; /* 4-byte unsigned integer */ -typedef sqlite3_uint64 u64; /* 8-byte unsigned integer */ -typedef sqlite3_int64 i64; /* 8-byte signed integer */ - -/* -** Macro used to suppress compiler warnings for unused parameters. -*/ -#define UNUSED_PARAMETER(x) (void)(x) - -/* -** Activate assert() only if SQLITE_TEST is enabled. -*/ -#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) -# define NDEBUG 1 -#endif - -/* -** The TESTONLY macro is used to enclose variable declarations or -** other bits of code that are needed to support the arguments -** within testcase() and assert() macros. -*/ -#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) -# define TESTONLY(X) X -#else -# define TESTONLY(X) -#endif - -#endif /* SQLITE_AMALGAMATION */ - -#ifdef SQLITE_DEBUG -int sqlite3Fts3Corrupt(void); -# define FTS_CORRUPT_VTAB sqlite3Fts3Corrupt() -#else -# define FTS_CORRUPT_VTAB SQLITE_CORRUPT_VTAB -#endif - -typedef struct Fts3Table Fts3Table; -typedef struct Fts3Cursor Fts3Cursor; -typedef struct Fts3Expr Fts3Expr; -typedef struct Fts3Phrase Fts3Phrase; -typedef struct Fts3PhraseToken Fts3PhraseToken; - -typedef struct Fts3Doclist Fts3Doclist; -typedef struct Fts3SegFilter Fts3SegFilter; -typedef struct Fts3DeferredToken Fts3DeferredToken; -typedef struct Fts3SegReader Fts3SegReader; -typedef struct Fts3MultiSegReader Fts3MultiSegReader; - -typedef struct MatchinfoBuffer MatchinfoBuffer; - -/* -** A connection to a fulltext index is an instance of the following -** structure. The xCreate and xConnect methods create an instance -** of this structure and xDestroy and xDisconnect free that instance. -** All other methods receive a pointer to the structure as one of their -** arguments. -*/ -struct Fts3Table { - sqlite3_vtab base; /* Base class used by SQLite core */ - sqlite3 *db; /* The database connection */ - const char *zDb; /* logical database name */ - const char *zName; /* virtual table name */ - int nColumn; /* number of named columns in virtual table */ - char **azColumn; /* column names. malloced */ - u8 *abNotindexed; /* True for 'notindexed' columns */ - sqlite3_tokenizer *pTokenizer; /* tokenizer for inserts and queries */ - char *zContentTbl; /* content=xxx option, or NULL */ - char *zLanguageid; /* languageid=xxx option, or NULL */ - int nAutoincrmerge; /* Value configured by 'automerge' */ - u32 nLeafAdd; /* Number of leaf blocks added this trans */ - - /* Precompiled statements used by the implementation. Each of these - ** statements is run and reset within a single virtual table API call. - */ - sqlite3_stmt *aStmt[40]; - sqlite3_stmt *pSeekStmt; /* Cache for fts3CursorSeekStmt() */ - - char *zReadExprlist; - char *zWriteExprlist; - - int nNodeSize; /* Soft limit for node size */ - u8 bFts4; /* True for FTS4, false for FTS3 */ - u8 bHasStat; /* True if %_stat table exists (2==unknown) */ - u8 bHasDocsize; /* True if %_docsize table exists */ - u8 bDescIdx; /* True if doclists are in reverse order */ - u8 bIgnoreSavepoint; /* True to ignore xSavepoint invocations */ - int nPgsz; /* Page size for host database */ - char *zSegmentsTbl; /* Name of %_segments table */ - sqlite3_blob *pSegments; /* Blob handle open on %_segments table */ - - /* - ** The following array of hash tables is used to buffer pending index - ** updates during transactions. All pending updates buffered at any one - ** time must share a common language-id (see the FTS4 langid= feature). - ** The current language id is stored in variable iPrevLangid. - ** - ** A single FTS4 table may have multiple full-text indexes. For each index - ** there is an entry in the aIndex[] array. Index 0 is an index of all the - ** terms that appear in the document set. Each subsequent index in aIndex[] - ** is an index of prefixes of a specific length. - ** - ** Variable nPendingData contains an estimate the memory consumed by the - ** pending data structures, including hash table overhead, but not including - ** malloc overhead. When nPendingData exceeds nMaxPendingData, all hash - ** tables are flushed to disk. Variable iPrevDocid is the docid of the most - ** recently inserted record. - */ - int nIndex; /* Size of aIndex[] */ - struct Fts3Index { - int nPrefix; /* Prefix length (0 for main terms index) */ - Fts3Hash hPending; /* Pending terms table for this index */ - } *aIndex; - int nMaxPendingData; /* Max pending data before flush to disk */ - int nPendingData; /* Current bytes of pending data */ - sqlite_int64 iPrevDocid; /* Docid of most recently inserted document */ - int iPrevLangid; /* Langid of recently inserted document */ - int bPrevDelete; /* True if last operation was a delete */ - -#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) - /* State variables used for validating that the transaction control - ** methods of the virtual table are called at appropriate times. These - ** values do not contribute to FTS functionality; they are used for - ** verifying the operation of the SQLite core. - */ - int inTransaction; /* True after xBegin but before xCommit/xRollback */ - int mxSavepoint; /* Largest valid xSavepoint integer */ -#endif - -#ifdef SQLITE_TEST - /* True to disable the incremental doclist optimization. This is controled - ** by special insert command 'test-no-incr-doclist'. */ - int bNoIncrDoclist; -#endif -}; - -/* -** When the core wants to read from the virtual table, it creates a -** virtual table cursor (an instance of the following structure) using -** the xOpen method. Cursors are destroyed using the xClose method. -*/ -struct Fts3Cursor { - sqlite3_vtab_cursor base; /* Base class used by SQLite core */ - i16 eSearch; /* Search strategy (see below) */ - u8 isEof; /* True if at End Of Results */ - u8 isRequireSeek; /* True if must seek pStmt to %_content row */ - u8 bSeekStmt; /* True if pStmt is a seek */ - sqlite3_stmt *pStmt; /* Prepared statement in use by the cursor */ - Fts3Expr *pExpr; /* Parsed MATCH query string */ - int iLangid; /* Language being queried for */ - int nPhrase; /* Number of matchable phrases in query */ - Fts3DeferredToken *pDeferred; /* Deferred search tokens, if any */ - sqlite3_int64 iPrevId; /* Previous id read from aDoclist */ - char *pNextId; /* Pointer into the body of aDoclist */ - char *aDoclist; /* List of docids for full-text queries */ - int nDoclist; /* Size of buffer at aDoclist */ - u8 bDesc; /* True to sort in descending order */ - int eEvalmode; /* An FTS3_EVAL_XX constant */ - int nRowAvg; /* Average size of database rows, in pages */ - sqlite3_int64 nDoc; /* Documents in table */ - i64 iMinDocid; /* Minimum docid to return */ - i64 iMaxDocid; /* Maximum docid to return */ - int isMatchinfoNeeded; /* True when aMatchinfo[] needs filling in */ - MatchinfoBuffer *pMIBuffer; /* Buffer for matchinfo data */ -}; - -#define FTS3_EVAL_FILTER 0 -#define FTS3_EVAL_NEXT 1 -#define FTS3_EVAL_MATCHINFO 2 - -/* -** The Fts3Cursor.eSearch member is always set to one of the following. -** Actualy, Fts3Cursor.eSearch can be greater than or equal to -** FTS3_FULLTEXT_SEARCH. If so, then Fts3Cursor.eSearch - 2 is the index -** of the column to be searched. For example, in -** -** CREATE VIRTUAL TABLE ex1 USING fts3(a,b,c,d); -** SELECT docid FROM ex1 WHERE b MATCH 'one two three'; -** -** Because the LHS of the MATCH operator is 2nd column "b", -** Fts3Cursor.eSearch will be set to FTS3_FULLTEXT_SEARCH+1. (+0 for a, -** +1 for b, +2 for c, +3 for d.) If the LHS of MATCH were "ex1" -** indicating that all columns should be searched, -** then eSearch would be set to FTS3_FULLTEXT_SEARCH+4. -*/ -#define FTS3_FULLSCAN_SEARCH 0 /* Linear scan of %_content table */ -#define FTS3_DOCID_SEARCH 1 /* Lookup by rowid on %_content table */ -#define FTS3_FULLTEXT_SEARCH 2 /* Full-text index search */ - -/* -** The lower 16-bits of the sqlite3_index_info.idxNum value set by -** the xBestIndex() method contains the Fts3Cursor.eSearch value described -** above. The upper 16-bits contain a combination of the following -** bits, used to describe extra constraints on full-text searches. -*/ -#define FTS3_HAVE_LANGID 0x00010000 /* languageid=? */ -#define FTS3_HAVE_DOCID_GE 0x00020000 /* docid>=? */ -#define FTS3_HAVE_DOCID_LE 0x00040000 /* docid<=? */ - -struct Fts3Doclist { - char *aAll; /* Array containing doclist (or NULL) */ - int nAll; /* Size of a[] in bytes */ - char *pNextDocid; /* Pointer to next docid */ - - sqlite3_int64 iDocid; /* Current docid (if pList!=0) */ - int bFreeList; /* True if pList should be sqlite3_free()d */ - char *pList; /* Pointer to position list following iDocid */ - int nList; /* Length of position list */ -}; - -/* -** A "phrase" is a sequence of one or more tokens that must match in -** sequence. A single token is the base case and the most common case. -** For a sequence of tokens contained in double-quotes (i.e. "one two three") -** nToken will be the number of tokens in the string. -*/ -struct Fts3PhraseToken { - char *z; /* Text of the token */ - int n; /* Number of bytes in buffer z */ - int isPrefix; /* True if token ends with a "*" character */ - int bFirst; /* True if token must appear at position 0 */ - - /* Variables above this point are populated when the expression is - ** parsed (by code in fts3_expr.c). Below this point the variables are - ** used when evaluating the expression. */ - Fts3DeferredToken *pDeferred; /* Deferred token object for this token */ - Fts3MultiSegReader *pSegcsr; /* Segment-reader for this token */ -}; - -struct Fts3Phrase { - /* Cache of doclist for this phrase. */ - Fts3Doclist doclist; - int bIncr; /* True if doclist is loaded incrementally */ - int iDoclistToken; - - /* Used by sqlite3Fts3EvalPhrasePoslist() if this is a descendent of an - ** OR condition. */ - char *pOrPoslist; - i64 iOrDocid; - - /* Variables below this point are populated by fts3_expr.c when parsing - ** a MATCH expression. Everything above is part of the evaluation phase. - */ - int nToken; /* Number of tokens in the phrase */ - int iColumn; /* Index of column this phrase must match */ - Fts3PhraseToken aToken[1]; /* One entry for each token in the phrase */ -}; - -/* -** A tree of these objects forms the RHS of a MATCH operator. -** -** If Fts3Expr.eType is FTSQUERY_PHRASE and isLoaded is true, then aDoclist -** points to a malloced buffer, size nDoclist bytes, containing the results -** of this phrase query in FTS3 doclist format. As usual, the initial -** "Length" field found in doclists stored on disk is omitted from this -** buffer. -** -** Variable aMI is used only for FTSQUERY_NEAR nodes to store the global -** matchinfo data. If it is not NULL, it points to an array of size nCol*3, -** where nCol is the number of columns in the queried FTS table. The array -** is populated as follows: -** -** aMI[iCol*3 + 0] = Undefined -** aMI[iCol*3 + 1] = Number of occurrences -** aMI[iCol*3 + 2] = Number of rows containing at least one instance -** -** The aMI array is allocated using sqlite3_malloc(). It should be freed -** when the expression node is. -*/ -struct Fts3Expr { - int eType; /* One of the FTSQUERY_XXX values defined below */ - int nNear; /* Valid if eType==FTSQUERY_NEAR */ - Fts3Expr *pParent; /* pParent->pLeft==this or pParent->pRight==this */ - Fts3Expr *pLeft; /* Left operand */ - Fts3Expr *pRight; /* Right operand */ - Fts3Phrase *pPhrase; /* Valid if eType==FTSQUERY_PHRASE */ - - /* The following are used by the fts3_eval.c module. */ - sqlite3_int64 iDocid; /* Current docid */ - u8 bEof; /* True this expression is at EOF already */ - u8 bStart; /* True if iDocid is valid */ - u8 bDeferred; /* True if this expression is entirely deferred */ - - /* The following are used by the fts3_snippet.c module. */ - int iPhrase; /* Index of this phrase in matchinfo() results */ - u32 *aMI; /* See above */ -}; - -/* -** Candidate values for Fts3Query.eType. Note that the order of the first -** four values is in order of precedence when parsing expressions. For -** example, the following: -** -** "a OR b AND c NOT d NEAR e" -** -** is equivalent to: -** -** "a OR (b AND (c NOT (d NEAR e)))" -*/ -#define FTSQUERY_NEAR 1 -#define FTSQUERY_NOT 2 -#define FTSQUERY_AND 3 -#define FTSQUERY_OR 4 -#define FTSQUERY_PHRASE 5 - - -/* fts3_write.c */ -int sqlite3Fts3UpdateMethod(sqlite3_vtab*,int,sqlite3_value**,sqlite3_int64*); -int sqlite3Fts3PendingTermsFlush(Fts3Table *); -void sqlite3Fts3PendingTermsClear(Fts3Table *); -int sqlite3Fts3Optimize(Fts3Table *); -int sqlite3Fts3SegReaderNew(int, int, sqlite3_int64, - sqlite3_int64, sqlite3_int64, const char *, int, Fts3SegReader**); -int sqlite3Fts3SegReaderPending( - Fts3Table*,int,const char*,int,int,Fts3SegReader**); -void sqlite3Fts3SegReaderFree(Fts3SegReader *); -int sqlite3Fts3AllSegdirs(Fts3Table*, int, int, int, sqlite3_stmt **); -int sqlite3Fts3ReadBlock(Fts3Table*, sqlite3_int64, char **, int*, int*); - -int sqlite3Fts3SelectDoctotal(Fts3Table *, sqlite3_stmt **); -int sqlite3Fts3SelectDocsize(Fts3Table *, sqlite3_int64, sqlite3_stmt **); - -#ifndef SQLITE_DISABLE_FTS4_DEFERRED -void sqlite3Fts3FreeDeferredTokens(Fts3Cursor *); -int sqlite3Fts3DeferToken(Fts3Cursor *, Fts3PhraseToken *, int); -int sqlite3Fts3CacheDeferredDoclists(Fts3Cursor *); -void sqlite3Fts3FreeDeferredDoclists(Fts3Cursor *); -int sqlite3Fts3DeferredTokenList(Fts3DeferredToken *, char **, int *); -#else -# define sqlite3Fts3FreeDeferredTokens(x) -# define sqlite3Fts3DeferToken(x,y,z) SQLITE_OK -# define sqlite3Fts3CacheDeferredDoclists(x) SQLITE_OK -# define sqlite3Fts3FreeDeferredDoclists(x) -# define sqlite3Fts3DeferredTokenList(x,y,z) SQLITE_OK -#endif - -void sqlite3Fts3SegmentsClose(Fts3Table *); -int sqlite3Fts3MaxLevel(Fts3Table *, int *); - -/* Special values interpreted by sqlite3SegReaderCursor() */ -#define FTS3_SEGCURSOR_PENDING -1 -#define FTS3_SEGCURSOR_ALL -2 - -int sqlite3Fts3SegReaderStart(Fts3Table*, Fts3MultiSegReader*, Fts3SegFilter*); -int sqlite3Fts3SegReaderStep(Fts3Table *, Fts3MultiSegReader *); -void sqlite3Fts3SegReaderFinish(Fts3MultiSegReader *); - -int sqlite3Fts3SegReaderCursor(Fts3Table *, - int, int, int, const char *, int, int, int, Fts3MultiSegReader *); - -/* Flags allowed as part of the 4th argument to SegmentReaderIterate() */ -#define FTS3_SEGMENT_REQUIRE_POS 0x00000001 -#define FTS3_SEGMENT_IGNORE_EMPTY 0x00000002 -#define FTS3_SEGMENT_COLUMN_FILTER 0x00000004 -#define FTS3_SEGMENT_PREFIX 0x00000008 -#define FTS3_SEGMENT_SCAN 0x00000010 -#define FTS3_SEGMENT_FIRST 0x00000020 - -/* Type passed as 4th argument to SegmentReaderIterate() */ -struct Fts3SegFilter { - const char *zTerm; - int nTerm; - int iCol; - int flags; -}; - -struct Fts3MultiSegReader { - /* Used internally by sqlite3Fts3SegReaderXXX() calls */ - Fts3SegReader **apSegment; /* Array of Fts3SegReader objects */ - int nSegment; /* Size of apSegment array */ - int nAdvance; /* How many seg-readers to advance */ - Fts3SegFilter *pFilter; /* Pointer to filter object */ - char *aBuffer; /* Buffer to merge doclists in */ - int nBuffer; /* Allocated size of aBuffer[] in bytes */ - - int iColFilter; /* If >=0, filter for this column */ - int bRestart; - - /* Used by fts3.c only. */ - int nCost; /* Cost of running iterator */ - int bLookup; /* True if a lookup of a single entry. */ - - /* Output values. Valid only after Fts3SegReaderStep() returns SQLITE_ROW. */ - char *zTerm; /* Pointer to term buffer */ - int nTerm; /* Size of zTerm in bytes */ - char *aDoclist; /* Pointer to doclist buffer */ - int nDoclist; /* Size of aDoclist[] in bytes */ -}; - -int sqlite3Fts3Incrmerge(Fts3Table*,int,int); - -#define fts3GetVarint32(p, piVal) ( \ - (*(u8*)(p)&0x80) ? sqlite3Fts3GetVarint32(p, piVal) : (*piVal=*(u8*)(p), 1) \ -) - -/* fts3.c */ -void sqlite3Fts3ErrMsg(char**,const char*,...); -int sqlite3Fts3PutVarint(char *, sqlite3_int64); -int sqlite3Fts3GetVarint(const char *, sqlite_int64 *); -int sqlite3Fts3GetVarint32(const char *, int *); -int sqlite3Fts3VarintLen(sqlite3_uint64); -void sqlite3Fts3Dequote(char *); -void sqlite3Fts3DoclistPrev(int,char*,int,char**,sqlite3_int64*,int*,u8*); -int sqlite3Fts3EvalPhraseStats(Fts3Cursor *, Fts3Expr *, u32 *); -int sqlite3Fts3FirstFilter(sqlite3_int64, char *, int, char *); -void sqlite3Fts3CreateStatTable(int*, Fts3Table*); -int sqlite3Fts3EvalTestDeferred(Fts3Cursor *pCsr, int *pRc); - -/* fts3_tokenizer.c */ -const char *sqlite3Fts3NextToken(const char *, int *); -int sqlite3Fts3InitHashTable(sqlite3 *, Fts3Hash *, const char *); -int sqlite3Fts3InitTokenizer(Fts3Hash *pHash, const char *, - sqlite3_tokenizer **, char ** -); -int sqlite3Fts3IsIdChar(char); - -/* fts3_snippet.c */ -void sqlite3Fts3Offsets(sqlite3_context*, Fts3Cursor*); -void sqlite3Fts3Snippet(sqlite3_context *, Fts3Cursor *, const char *, - const char *, const char *, int, int -); -void sqlite3Fts3Matchinfo(sqlite3_context *, Fts3Cursor *, const char *); -void sqlite3Fts3MIBufferFree(MatchinfoBuffer *p); - -/* fts3_expr.c */ -int sqlite3Fts3ExprParse(sqlite3_tokenizer *, int, - char **, int, int, int, const char *, int, Fts3Expr **, char ** -); -void sqlite3Fts3ExprFree(Fts3Expr *); -#ifdef SQLITE_TEST -int sqlite3Fts3ExprInitTestInterface(sqlite3 *db, Fts3Hash*); -int sqlite3Fts3InitTerm(sqlite3 *db); -#endif - -int sqlite3Fts3OpenTokenizer(sqlite3_tokenizer *, int, const char *, int, - sqlite3_tokenizer_cursor ** -); - -/* fts3_aux.c */ -int sqlite3Fts3InitAux(sqlite3 *db); - -void sqlite3Fts3EvalPhraseCleanup(Fts3Phrase *); - -int sqlite3Fts3MsrIncrStart( - Fts3Table*, Fts3MultiSegReader*, int, const char*, int); -int sqlite3Fts3MsrIncrNext( - Fts3Table *, Fts3MultiSegReader *, sqlite3_int64 *, char **, int *); -int sqlite3Fts3EvalPhrasePoslist(Fts3Cursor *, Fts3Expr *, int iCol, char **); -int sqlite3Fts3MsrOvfl(Fts3Cursor *, Fts3MultiSegReader *, int *); -int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr); - -/* fts3_tokenize_vtab.c */ -int sqlite3Fts3InitTok(sqlite3*, Fts3Hash *); - -/* fts3_unicode2.c (functions generated by parsing unicode text files) */ -#ifndef SQLITE_DISABLE_FTS3_UNICODE -int sqlite3FtsUnicodeFold(int, int); -int sqlite3FtsUnicodeIsalnum(int); -int sqlite3FtsUnicodeIsdiacritic(int); -#endif - -#endif /* !SQLITE_CORE || SQLITE_ENABLE_FTS3 */ -#endif /* _FTSINT_H */ |