mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-10-06 04:36:56 +02:00
2154 lines
59 KiB
C
2154 lines
59 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* wparser_def.c
|
|
* Default text search parser
|
|
*
|
|
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.18 2009/01/01 17:23:48 momjian Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "postgres.h"
|
|
|
|
#include "commands/defrem.h"
|
|
#include "tsearch/ts_locale.h"
|
|
#include "tsearch/ts_public.h"
|
|
#include "tsearch/ts_type.h"
|
|
#include "tsearch/ts_utils.h"
|
|
#include "utils/builtins.h"
|
|
|
|
|
|
/* Define me to enable tracing of parser behavior */
|
|
/* #define WPARSER_TRACE */
|
|
|
|
|
|
/* Output token categories */
|
|
|
|
#define ASCIIWORD 1
|
|
#define WORD_T 2
|
|
#define NUMWORD 3
|
|
#define EMAIL 4
|
|
#define URL_T 5
|
|
#define HOST 6
|
|
#define SCIENTIFIC 7
|
|
#define VERSIONNUMBER 8
|
|
#define NUMPARTHWORD 9
|
|
#define PARTHWORD 10
|
|
#define ASCIIPARTHWORD 11
|
|
#define SPACE 12
|
|
#define TAG_T 13
|
|
#define PROTOCOL 14
|
|
#define NUMHWORD 15
|
|
#define ASCIIHWORD 16
|
|
#define HWORD 17
|
|
#define URLPATH 18
|
|
#define FILEPATH 19
|
|
#define DECIMAL 20
|
|
#define SIGNEDINT 21
|
|
#define UNSIGNEDINT 22
|
|
#define XMLENTITY 23
|
|
|
|
#define LASTNUM 23
|
|
|
|
static const char *const tok_alias[] = {
|
|
"",
|
|
"asciiword",
|
|
"word",
|
|
"numword",
|
|
"email",
|
|
"url",
|
|
"host",
|
|
"sfloat",
|
|
"version",
|
|
"hword_numpart",
|
|
"hword_part",
|
|
"hword_asciipart",
|
|
"blank",
|
|
"tag",
|
|
"protocol",
|
|
"numhword",
|
|
"asciihword",
|
|
"hword",
|
|
"url_path",
|
|
"file",
|
|
"float",
|
|
"int",
|
|
"uint",
|
|
"entity"
|
|
};
|
|
|
|
static const char *const lex_descr[] = {
|
|
"",
|
|
"Word, all ASCII",
|
|
"Word, all letters",
|
|
"Word, letters and digits",
|
|
"Email address",
|
|
"URL",
|
|
"Host",
|
|
"Scientific notation",
|
|
"Version number",
|
|
"Hyphenated word part, letters and digits",
|
|
"Hyphenated word part, all letters",
|
|
"Hyphenated word part, all ASCII",
|
|
"Space symbols",
|
|
"XML tag",
|
|
"Protocol head",
|
|
"Hyphenated word, letters and digits",
|
|
"Hyphenated word, all ASCII",
|
|
"Hyphenated word, all letters",
|
|
"URL path",
|
|
"File or path name",
|
|
"Decimal notation",
|
|
"Signed integer",
|
|
"Unsigned integer",
|
|
"XML entity"
|
|
};
|
|
|
|
|
|
/* Parser states */
|
|
|
|
typedef enum
|
|
{
|
|
TPS_Base = 0,
|
|
TPS_InNumWord,
|
|
TPS_InAsciiWord,
|
|
TPS_InWord,
|
|
TPS_InUnsignedInt,
|
|
TPS_InSignedIntFirst,
|
|
TPS_InSignedInt,
|
|
TPS_InSpace,
|
|
TPS_InUDecimalFirst,
|
|
TPS_InUDecimal,
|
|
TPS_InDecimalFirst,
|
|
TPS_InDecimal,
|
|
TPS_InVerVersion,
|
|
TPS_InSVerVersion,
|
|
TPS_InVersionFirst,
|
|
TPS_InVersion,
|
|
TPS_InMantissaFirst,
|
|
TPS_InMantissaSign,
|
|
TPS_InMantissa,
|
|
TPS_InXMLEntityFirst,
|
|
TPS_InXMLEntity,
|
|
TPS_InXMLEntityNumFirst,
|
|
TPS_InXMLEntityNum,
|
|
TPS_InXMLEntityHexNumFirst,
|
|
TPS_InXMLEntityHexNum,
|
|
TPS_InXMLEntityEnd,
|
|
TPS_InTagFirst,
|
|
TPS_InXMLBegin,
|
|
TPS_InTagCloseFirst,
|
|
TPS_InTagName,
|
|
TPS_InTagBeginEnd,
|
|
TPS_InTag,
|
|
TPS_InTagEscapeK,
|
|
TPS_InTagEscapeKK,
|
|
TPS_InTagBackSleshed,
|
|
TPS_InTagEnd,
|
|
TPS_InCommentFirst,
|
|
TPS_InCommentLast,
|
|
TPS_InComment,
|
|
TPS_InCloseCommentFirst,
|
|
TPS_InCloseCommentLast,
|
|
TPS_InCommentEnd,
|
|
TPS_InHostFirstDomain,
|
|
TPS_InHostDomainSecond,
|
|
TPS_InHostDomain,
|
|
TPS_InPortFirst,
|
|
TPS_InPort,
|
|
TPS_InHostFirstAN,
|
|
TPS_InHost,
|
|
TPS_InEmail,
|
|
TPS_InFileFirst,
|
|
TPS_InFileTwiddle,
|
|
TPS_InPathFirst,
|
|
TPS_InPathFirstFirst,
|
|
TPS_InPathSecond,
|
|
TPS_InFile,
|
|
TPS_InFileNext,
|
|
TPS_InURLPathFirst,
|
|
TPS_InURLPathStart,
|
|
TPS_InURLPath,
|
|
TPS_InFURL,
|
|
TPS_InProtocolFirst,
|
|
TPS_InProtocolSecond,
|
|
TPS_InProtocolEnd,
|
|
TPS_InHyphenAsciiWordFirst,
|
|
TPS_InHyphenAsciiWord,
|
|
TPS_InHyphenWordFirst,
|
|
TPS_InHyphenWord,
|
|
TPS_InHyphenNumWordFirst,
|
|
TPS_InHyphenNumWord,
|
|
TPS_InHyphenDigitLookahead,
|
|
TPS_InParseHyphen,
|
|
TPS_InParseHyphenHyphen,
|
|
TPS_InHyphenWordPart,
|
|
TPS_InHyphenAsciiWordPart,
|
|
TPS_InHyphenNumWordPart,
|
|
TPS_InHyphenUnsignedInt,
|
|
TPS_Null /* last state (fake value) */
|
|
} TParserState;
|
|
|
|
/* forward declaration */
|
|
struct TParser;
|
|
|
|
typedef int (*TParserCharTest) (struct TParser *); /* any p_is* functions
|
|
* except p_iseq */
|
|
typedef void (*TParserSpecial) (struct TParser *); /* special handler for
|
|
* special cases... */
|
|
|
|
typedef struct
|
|
{
|
|
TParserCharTest isclass;
|
|
char c;
|
|
uint16 flags;
|
|
TParserState tostate;
|
|
int type;
|
|
TParserSpecial special;
|
|
} TParserStateActionItem;
|
|
|
|
/* Flag bits in TParserStateActionItem.flags */
|
|
#define A_NEXT 0x0000
|
|
#define A_BINGO 0x0001
|
|
#define A_POP 0x0002
|
|
#define A_PUSH 0x0004
|
|
#define A_RERUN 0x0008
|
|
#define A_CLEAR 0x0010
|
|
#define A_MERGE 0x0020
|
|
#define A_CLRALL 0x0040
|
|
|
|
typedef struct TParserPosition
|
|
{
|
|
int posbyte; /* position of parser in bytes */
|
|
int poschar; /* position of parser in characters */
|
|
int charlen; /* length of current char */
|
|
int lenbytetoken; /* length of token-so-far in bytes */
|
|
int lenchartoken; /* and in chars */
|
|
TParserState state;
|
|
struct TParserPosition *prev;
|
|
const TParserStateActionItem *pushedAtAction;
|
|
} TParserPosition;
|
|
|
|
typedef struct TParser
|
|
{
|
|
/* string and position information */
|
|
char *str; /* multibyte string */
|
|
int lenstr; /* length of mbstring */
|
|
#ifdef USE_WIDE_UPPER_LOWER
|
|
wchar_t *wstr; /* wide character string */
|
|
int lenwstr; /* length of wsting */
|
|
#endif
|
|
|
|
/* State of parse */
|
|
int charmaxlen;
|
|
bool usewide;
|
|
TParserPosition *state;
|
|
bool ignore;
|
|
bool wanthost;
|
|
|
|
/* silly char */
|
|
char c;
|
|
|
|
/* out */
|
|
char *token;
|
|
int lenbytetoken;
|
|
int lenchartoken;
|
|
int type;
|
|
} TParser;
|
|
|
|
|
|
/* forward decls here */
|
|
static bool TParserGet(TParser *prs);
|
|
|
|
|
|
static TParserPosition *
|
|
newTParserPosition(TParserPosition *prev)
|
|
{
|
|
TParserPosition *res = (TParserPosition *) palloc(sizeof(TParserPosition));
|
|
|
|
if (prev)
|
|
memcpy(res, prev, sizeof(TParserPosition));
|
|
else
|
|
memset(res, 0, sizeof(TParserPosition));
|
|
|
|
res->prev = prev;
|
|
|
|
res->pushedAtAction = NULL;
|
|
|
|
return res;
|
|
}
|
|
|
|
static TParser *
|
|
TParserInit(char *str, int len)
|
|
{
|
|
TParser *prs = (TParser *) palloc0(sizeof(TParser));
|
|
|
|
prs->charmaxlen = pg_database_encoding_max_length();
|
|
prs->str = str;
|
|
prs->lenstr = len;
|
|
|
|
#ifdef USE_WIDE_UPPER_LOWER
|
|
|
|
/*
|
|
* Use wide char code only when max encoding length > 1.
|
|
*/
|
|
if (prs->charmaxlen > 1)
|
|
{
|
|
prs->usewide = true;
|
|
prs->wstr = (wchar_t *) palloc(sizeof(wchar_t) * (prs->lenstr + 1));
|
|
prs->lenwstr = char2wchar(prs->wstr, prs->lenstr + 1,
|
|
prs->str, prs->lenstr);
|
|
}
|
|
else
|
|
#endif
|
|
prs->usewide = false;
|
|
|
|
prs->state = newTParserPosition(NULL);
|
|
prs->state->state = TPS_Base;
|
|
|
|
#ifdef WPARSER_TRACE
|
|
fprintf(stderr, "parsing \"%.*s\"\n", len, str);
|
|
#endif
|
|
|
|
return prs;
|
|
}
|
|
|
|
static void
|
|
TParserClose(TParser *prs)
|
|
{
|
|
while (prs->state)
|
|
{
|
|
TParserPosition *ptr = prs->state->prev;
|
|
|
|
pfree(prs->state);
|
|
prs->state = ptr;
|
|
}
|
|
|
|
#ifdef USE_WIDE_UPPER_LOWER
|
|
if (prs->wstr)
|
|
pfree(prs->wstr);
|
|
#endif
|
|
|
|
pfree(prs);
|
|
}
|
|
|
|
/*
|
|
* Character-type support functions, equivalent to is* macros, but
|
|
* working with any possible encodings and locales. Note,
|
|
* that with multibyte encoding and C-locale isw* function may fail
|
|
* or give wrong result. Note 2: multibyte encoding and C-locale
|
|
* often are used for Asian languages
|
|
*/
|
|
|
|
#ifdef USE_WIDE_UPPER_LOWER
|
|
|
|
#define p_iswhat(type) \
|
|
static int \
|
|
p_is##type(TParser *prs) { \
|
|
Assert( prs->state ); \
|
|
if ( prs->usewide ) \
|
|
{ \
|
|
if ( lc_ctype_is_c() ) \
|
|
return is##type( 0xff & *( prs->wstr + prs->state->poschar) ); \
|
|
\
|
|
return isw##type( *(wint_t*)( prs->wstr + prs->state->poschar ) ); \
|
|
} \
|
|
\
|
|
return is##type( *(unsigned char*)( prs->str + prs->state->posbyte ) ); \
|
|
} \
|
|
\
|
|
static int \
|
|
p_isnot##type(TParser *prs) { \
|
|
return !p_is##type(prs); \
|
|
}
|
|
|
|
static int
|
|
p_isalnum(TParser *prs)
|
|
{
|
|
Assert(prs->state);
|
|
|
|
if (prs->usewide)
|
|
{
|
|
if (lc_ctype_is_c())
|
|
{
|
|
unsigned int c = *(prs->wstr + prs->state->poschar);
|
|
|
|
/*
|
|
* any non-ascii symbol with multibyte encoding with C-locale is
|
|
* an alpha character
|
|
*/
|
|
if (c > 0x7f)
|
|
return 1;
|
|
|
|
return isalnum(0xff & c);
|
|
}
|
|
|
|
return iswalnum((wint_t) *(prs->wstr + prs->state->poschar));
|
|
}
|
|
|
|
return isalnum(*(unsigned char *) (prs->str + prs->state->posbyte));
|
|
}
|
|
static int
|
|
p_isnotalnum(TParser *prs)
|
|
{
|
|
return !p_isalnum(prs);
|
|
}
|
|
|
|
static int
|
|
p_isalpha(TParser *prs)
|
|
{
|
|
Assert(prs->state);
|
|
|
|
if (prs->usewide)
|
|
{
|
|
if (lc_ctype_is_c())
|
|
{
|
|
unsigned int c = *(prs->wstr + prs->state->poschar);
|
|
|
|
/*
|
|
* any non-ascii symbol with multibyte encoding with C-locale is
|
|
* an alpha character
|
|
*/
|
|
if (c > 0x7f)
|
|
return 1;
|
|
|
|
return isalpha(0xff & c);
|
|
}
|
|
|
|
return iswalpha((wint_t) *(prs->wstr + prs->state->poschar));
|
|
}
|
|
|
|
return isalpha(*(unsigned char *) (prs->str + prs->state->posbyte));
|
|
}
|
|
|
|
static int
|
|
p_isnotalpha(TParser *prs)
|
|
{
|
|
return !p_isalpha(prs);
|
|
}
|
|
|
|
/* p_iseq should be used only for ascii symbols */
|
|
|
|
static int
|
|
p_iseq(TParser *prs, char c)
|
|
{
|
|
Assert(prs->state);
|
|
return ((prs->state->charlen == 1 && *(prs->str + prs->state->posbyte) == c)) ? 1 : 0;
|
|
}
|
|
#else /* USE_WIDE_UPPER_LOWER */
|
|
|
|
#define p_iswhat(type) \
|
|
static int \
|
|
p_is##type(TParser *prs) { \
|
|
Assert( prs->state ); \
|
|
return is##type( (unsigned char)*( prs->str + prs->state->posbyte ) ); \
|
|
} \
|
|
\
|
|
static int \
|
|
p_isnot##type(TParser *prs) { \
|
|
return !p_is##type(prs); \
|
|
}
|
|
|
|
|
|
static int
|
|
p_iseq(TParser *prs, char c)
|
|
{
|
|
Assert(prs->state);
|
|
return (*(prs->str + prs->state->posbyte) == c) ? 1 : 0;
|
|
}
|
|
|
|
p_iswhat(alnum)
|
|
p_iswhat(alpha)
|
|
#endif /* USE_WIDE_UPPER_LOWER */
|
|
|
|
p_iswhat(digit)
|
|
p_iswhat(lower)
|
|
p_iswhat(print)
|
|
p_iswhat(punct)
|
|
p_iswhat(space)
|
|
p_iswhat(upper)
|
|
p_iswhat(xdigit)
|
|
|
|
static int
|
|
p_isEOF(TParser *prs)
|
|
{
|
|
Assert(prs->state);
|
|
return (prs->state->posbyte == prs->lenstr || prs->state->charlen == 0) ? 1 : 0;
|
|
}
|
|
|
|
static int
|
|
p_iseqC(TParser *prs)
|
|
{
|
|
return p_iseq(prs, prs->c);
|
|
}
|
|
|
|
static int
|
|
p_isneC(TParser *prs)
|
|
{
|
|
return !p_iseq(prs, prs->c);
|
|
}
|
|
|
|
static int
|
|
p_isascii(TParser *prs)
|
|
{
|
|
return (prs->state->charlen == 1 && isascii((unsigned char) *(prs->str + prs->state->posbyte))) ? 1 : 0;
|
|
}
|
|
|
|
static int
|
|
p_isasclet(TParser *prs)
|
|
{
|
|
return (p_isascii(prs) && p_isalpha(prs)) ? 1 : 0;
|
|
}
|
|
|
|
|
|
/* deliberately suppress unused-function complaints for the above */
|
|
void _make_compiler_happy(void);
|
|
void
|
|
_make_compiler_happy(void)
|
|
{
|
|
p_isalnum(NULL);
|
|
p_isnotalnum(NULL);
|
|
p_isalpha(NULL);
|
|
p_isnotalpha(NULL);
|
|
p_isdigit(NULL);
|
|
p_isnotdigit(NULL);
|
|
p_islower(NULL);
|
|
p_isnotlower(NULL);
|
|
p_isprint(NULL);
|
|
p_isnotprint(NULL);
|
|
p_ispunct(NULL);
|
|
p_isnotpunct(NULL);
|
|
p_isspace(NULL);
|
|
p_isnotspace(NULL);
|
|
p_isupper(NULL);
|
|
p_isnotupper(NULL);
|
|
p_isxdigit(NULL);
|
|
p_isnotxdigit(NULL);
|
|
p_isEOF(NULL);
|
|
p_iseqC(NULL);
|
|
p_isneC(NULL);
|
|
}
|
|
|
|
|
|
static void
|
|
SpecialTags(TParser *prs)
|
|
{
|
|
switch (prs->state->lenchartoken)
|
|
{
|
|
case 8: /* </script */
|
|
if (pg_strncasecmp(prs->token, "</script", 8) == 0)
|
|
prs->ignore = false;
|
|
break;
|
|
case 7: /* <script || </style */
|
|
if (pg_strncasecmp(prs->token, "</style", 7) == 0)
|
|
prs->ignore = false;
|
|
else if (pg_strncasecmp(prs->token, "<script", 7) == 0)
|
|
prs->ignore = true;
|
|
break;
|
|
case 6: /* <style */
|
|
if (pg_strncasecmp(prs->token, "<style", 6) == 0)
|
|
prs->ignore = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
SpecialFURL(TParser *prs)
|
|
{
|
|
prs->wanthost = true;
|
|
prs->state->posbyte -= prs->state->lenbytetoken;
|
|
prs->state->poschar -= prs->state->lenchartoken;
|
|
}
|
|
|
|
static void
|
|
SpecialHyphen(TParser *prs)
|
|
{
|
|
prs->state->posbyte -= prs->state->lenbytetoken;
|
|
prs->state->poschar -= prs->state->lenchartoken;
|
|
}
|
|
|
|
static void
|
|
SpecialVerVersion(TParser *prs)
|
|
{
|
|
prs->state->posbyte -= prs->state->lenbytetoken;
|
|
prs->state->poschar -= prs->state->lenchartoken;
|
|
prs->state->lenbytetoken = 0;
|
|
prs->state->lenchartoken = 0;
|
|
}
|
|
|
|
static int
|
|
p_isstophost(TParser *prs)
|
|
{
|
|
if (prs->wanthost)
|
|
{
|
|
prs->wanthost = false;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
p_isignore(TParser *prs)
|
|
{
|
|
return (prs->ignore) ? 1 : 0;
|
|
}
|
|
|
|
static int
|
|
p_ishost(TParser *prs)
|
|
{
|
|
TParser *tmpprs = TParserInit(prs->str + prs->state->posbyte, prs->lenstr - prs->state->posbyte);
|
|
int res = 0;
|
|
|
|
if (TParserGet(tmpprs) && tmpprs->type == HOST)
|
|
{
|
|
prs->state->posbyte += tmpprs->lenbytetoken;
|
|
prs->state->poschar += tmpprs->lenchartoken;
|
|
prs->state->lenbytetoken += tmpprs->lenbytetoken;
|
|
prs->state->lenchartoken += tmpprs->lenchartoken;
|
|
prs->state->charlen = tmpprs->state->charlen;
|
|
res = 1;
|
|
}
|
|
TParserClose(tmpprs);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int
|
|
p_isURLPath(TParser *prs)
|
|
{
|
|
TParser *tmpprs = TParserInit(prs->str + prs->state->posbyte, prs->lenstr - prs->state->posbyte);
|
|
int res = 0;
|
|
|
|
tmpprs->state = newTParserPosition(tmpprs->state);
|
|
tmpprs->state->state = TPS_InFileFirst;
|
|
|
|
if (TParserGet(tmpprs) && (tmpprs->type == URLPATH || tmpprs->type == FILEPATH))
|
|
{
|
|
prs->state->posbyte += tmpprs->lenbytetoken;
|
|
prs->state->poschar += tmpprs->lenchartoken;
|
|
prs->state->lenbytetoken += tmpprs->lenbytetoken;
|
|
prs->state->lenchartoken += tmpprs->lenchartoken;
|
|
prs->state->charlen = tmpprs->state->charlen;
|
|
res = 1;
|
|
}
|
|
TParserClose(tmpprs);
|
|
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
* Table of state/action of parser
|
|
*/
|
|
|
|
static const TParserStateActionItem actionTPS_Base[] = {
|
|
{p_isEOF, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '<', A_PUSH, TPS_InTagFirst, 0, NULL},
|
|
{p_isignore, 0, A_NEXT, TPS_InSpace, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InAsciiWord, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InUnsignedInt, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InSignedIntFirst, 0, NULL},
|
|
{p_iseqC, '+', A_PUSH, TPS_InSignedIntFirst, 0, NULL},
|
|
{p_iseqC, '&', A_PUSH, TPS_InXMLEntityFirst, 0, NULL},
|
|
{p_iseqC, '~', A_PUSH, TPS_InFileTwiddle, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InPathFirstFirst, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_InSpace, 0, NULL}
|
|
};
|
|
|
|
|
|
static const TParserStateActionItem actionTPS_InNumWord[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, NUMWORD, NULL},
|
|
{p_isalnum, 0, A_NEXT, TPS_InNumWord, 0, NULL},
|
|
{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenNumWordFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, NUMWORD, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InAsciiWord[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, ASCIIWORD, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenAsciiWordFirst, 0, NULL},
|
|
{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
|
|
{p_iseqC, ':', A_PUSH, TPS_InProtocolFirst, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InNumWord, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InWord, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, ASCIIWORD, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InWord[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, WORD_T, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InNumWord, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenWordFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, WORD_T, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InUnsignedInt[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, UNSIGNEDINT, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InUDecimalFirst, 0, NULL},
|
|
{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{p_isasclet, 0, A_PUSH, TPS_InHost, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InNumWord, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, UNSIGNEDINT, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InSignedIntFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT | A_CLEAR, TPS_InSignedInt, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InSignedInt[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, SIGNEDINT, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InDecimalFirst, 0, NULL},
|
|
{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, SIGNEDINT, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InSpace[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_iseqC, '<', A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_isignore, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_iseqC, '+', A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_iseqC, '&', A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_iseqC, '/', A_BINGO, TPS_Base, SPACE, NULL},
|
|
{p_isnotalnum, 0, A_NEXT, TPS_InSpace, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, SPACE, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InUDecimalFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InUDecimal, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InUDecimal[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, DECIMAL, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InUDecimal, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InVersionFirst, 0, NULL},
|
|
{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, DECIMAL, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InDecimalFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InDecimal, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InDecimal[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, DECIMAL, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InDecimal, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InVerVersion, 0, NULL},
|
|
{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, DECIMAL, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InVerVersion[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_RERUN, TPS_InSVerVersion, 0, SpecialVerVersion},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InSVerVersion[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_BINGO | A_CLRALL, TPS_InUnsignedInt, SPACE, NULL},
|
|
{NULL, 0, A_NEXT, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
|
|
static const TParserStateActionItem actionTPS_InVersionFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InVersion, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InVersion[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, VERSIONNUMBER, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InVersion, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InVersionFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, VERSIONNUMBER, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InMantissaFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InMantissa, 0, NULL},
|
|
{p_iseqC, '+', A_NEXT, TPS_InMantissaSign, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InMantissaSign, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InMantissaSign[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InMantissa, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InMantissa[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, SCIENTIFIC, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InMantissa, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, SCIENTIFIC, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '#', A_NEXT, TPS_InXMLEntityNumFirst, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, ':', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntity[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isalnum, 0, A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, ':', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InXMLEntity, 0, NULL},
|
|
{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityNumFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, 'x', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
|
|
{p_iseqC, 'X', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InXMLEntityNum, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityHexNumFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isxdigit, 0, A_NEXT, TPS_InXMLEntityHexNum, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityNum[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InXMLEntityNum, 0, NULL},
|
|
{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityHexNum[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isxdigit, 0, A_NEXT, TPS_InXMLEntityHexNum, 0, NULL},
|
|
{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLEntityEnd[] = {
|
|
{NULL, 0, A_BINGO | A_CLEAR, TPS_Base, XMLENTITY, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InTagCloseFirst, 0, NULL},
|
|
{p_iseqC, '!', A_PUSH, TPS_InCommentFirst, 0, NULL},
|
|
{p_iseqC, '?', A_PUSH, TPS_InXMLBegin, 0, NULL},
|
|
{p_isasclet, 0, A_PUSH, TPS_InTagName, 0, NULL},
|
|
{p_iseqC, ':', A_PUSH, TPS_InTagName, 0, NULL},
|
|
{p_iseqC, '_', A_PUSH, TPS_InTagName, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InXMLBegin[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
/* <?xml ... */
|
|
/* XXX do we wants states for the m and l ? Right now this accepts <?xZ */
|
|
{p_iseqC, 'x', A_NEXT, TPS_InTag, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagCloseFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InTagName, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagName[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
/* <br/> case */
|
|
{p_iseqC, '/', A_NEXT, TPS_InTagBeginEnd, 0, NULL},
|
|
{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, SpecialTags},
|
|
{p_isspace, 0, A_NEXT, TPS_InTag, 0, SpecialTags},
|
|
{p_isalnum, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, ':', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagBeginEnd[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTag[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, SpecialTags},
|
|
{p_iseqC, '\'', A_NEXT, TPS_InTagEscapeK, 0, NULL},
|
|
{p_iseqC, '"', A_NEXT, TPS_InTagEscapeKK, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '=', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '#', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, ':', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '&', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '?', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '%', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '~', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_isspace, 0, A_NEXT, TPS_Null, 0, SpecialTags},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagEscapeK[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '\\', A_PUSH, TPS_InTagBackSleshed, 0, NULL},
|
|
{p_iseqC, '\'', A_NEXT, TPS_InTag, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_InTagEscapeK, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagEscapeKK[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '\\', A_PUSH, TPS_InTagBackSleshed, 0, NULL},
|
|
{p_iseqC, '"', A_NEXT, TPS_InTag, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_InTagEscapeKK, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagBackSleshed[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{NULL, 0, A_MERGE, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InTagEnd[] = {
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, TAG_T, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InCommentFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InCommentLast, 0, NULL},
|
|
/* <!DOCTYPE ...> */
|
|
{p_iseqC, 'D', A_NEXT, TPS_InTag, 0, NULL},
|
|
{p_iseqC, 'd', A_NEXT, TPS_InTag, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InCommentLast[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InComment, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InComment[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InCloseCommentFirst, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InCloseCommentFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InCloseCommentLast, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_InComment, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InCloseCommentLast[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
|
|
{p_iseqC, '>', A_NEXT, TPS_InCommentEnd, 0, NULL},
|
|
{NULL, 0, A_NEXT, TPS_InComment, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InCommentEnd[] = {
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, TAG_T, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHostFirstDomain[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHostDomainSecond, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHostDomainSecond[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHostDomain, 0, NULL},
|
|
{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
|
|
{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHostDomain[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHostDomain, 0, NULL},
|
|
{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
|
|
{p_iseqC, ':', A_PUSH, TPS_InPortFirst, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
|
|
{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
|
|
{p_isdigit, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isstophost, 0, A_BINGO | A_CLRALL, TPS_InURLPathStart, HOST, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFURL, 0, NULL},
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InPortFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InPort, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InPort[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InPort, 0, NULL},
|
|
{p_isstophost, 0, A_BINGO | A_CLRALL, TPS_InURLPathStart, HOST, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFURL, 0, NULL},
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHostFirstAN[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHost, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHost[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHost, 0, NULL},
|
|
{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InEmail[] = {
|
|
{p_ishost, 0, A_BINGO | A_CLRALL, TPS_Base, EMAIL, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InFileFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_InPathFirst, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '?', A_PUSH, TPS_InURLPathFirst, 0, NULL},
|
|
{p_iseqC, '~', A_PUSH, TPS_InFileTwiddle, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InFileTwiddle[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InPathFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_InPathSecond, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InPathFirstFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '.', A_NEXT, TPS_InPathSecond, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InPathSecond[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
|
|
{p_iseqC, '/', A_NEXT | A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{p_iseqC, '/', A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
|
|
{p_isspace, 0, A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InFile[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, FILEPATH, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
|
|
{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '-', A_NEXT, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
|
|
{p_iseqC, '?', A_PUSH, TPS_InURLPathFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, FILEPATH, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InFileNext[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_CLEAR, TPS_InFile, 0, NULL},
|
|
{p_isdigit, 0, A_CLEAR, TPS_InFile, 0, NULL},
|
|
{p_iseqC, '_', A_CLEAR, TPS_InFile, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InURLPathFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '"', A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '\'', A_POP, TPS_Null, 0, NULL},
|
|
{p_isnotspace, 0, A_CLEAR, TPS_InURLPath, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL},
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InURLPathStart[] = {
|
|
{NULL, 0, A_NEXT, TPS_InURLPath, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InURLPath[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, URLPATH, NULL},
|
|
{p_iseqC, '"', A_BINGO, TPS_Base, URLPATH, NULL},
|
|
{p_iseqC, '\'', A_BINGO, TPS_Base, URLPATH, NULL},
|
|
{p_isnotspace, 0, A_NEXT, TPS_InURLPath, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_Base, URLPATH, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InFURL[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isURLPath, 0, A_BINGO | A_CLRALL, TPS_Base, URL_T, SpecialFURL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InProtocolFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_InProtocolSecond, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InProtocolSecond[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_iseqC, '/', A_NEXT, TPS_InProtocolEnd, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InProtocolEnd[] = {
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, PROTOCOL, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenAsciiWordFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWord, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenAsciiWord[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, ASCIIHWORD, SpecialHyphen},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWord, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenAsciiWordFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, ASCIIHWORD, SpecialHyphen}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenWordFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenWord[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, HWORD, SpecialHyphen},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenWordFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, HWORD, SpecialHyphen}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenNumWordFirst[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenNumWord[] = {
|
|
{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, NUMHWORD, SpecialHyphen},
|
|
{p_isalnum, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InHyphenNumWordFirst, 0, NULL},
|
|
{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, NUMHWORD, SpecialHyphen}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenDigitLookahead[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InParseHyphen[] = {
|
|
{p_isEOF, 0, A_RERUN, TPS_Base, 0, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWordPart, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
|
|
{p_isdigit, 0, A_PUSH, TPS_InHyphenUnsignedInt, 0, NULL},
|
|
{p_iseqC, '-', A_PUSH, TPS_InParseHyphenHyphen, 0, NULL},
|
|
{NULL, 0, A_RERUN, TPS_Base, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InParseHyphenHyphen[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isalnum, 0, A_BINGO | A_CLEAR, TPS_InParseHyphen, SPACE, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenWordPart[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, PARTHWORD, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_InParseHyphen, PARTHWORD, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenAsciiWordPart[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, ASCIIPARTHWORD, NULL},
|
|
{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWordPart, 0, NULL},
|
|
{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_InParseHyphen, ASCIIPARTHWORD, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenNumWordPart[] = {
|
|
{p_isEOF, 0, A_BINGO, TPS_Base, NUMPARTHWORD, NULL},
|
|
{p_isalnum, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
|
|
{NULL, 0, A_BINGO, TPS_InParseHyphen, NUMPARTHWORD, NULL}
|
|
};
|
|
|
|
static const TParserStateActionItem actionTPS_InHyphenUnsignedInt[] = {
|
|
{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
|
|
{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
|
|
{p_isalpha, 0, A_CLEAR, TPS_InHyphenNumWordPart, 0, NULL},
|
|
{NULL, 0, A_POP, TPS_Null, 0, NULL}
|
|
};
|
|
|
|
|
|
/*
|
|
* main table of per-state parser actions
|
|
*/
|
|
typedef struct
|
|
{
|
|
const TParserStateActionItem *action; /* the actual state info */
|
|
TParserState state; /* only for Assert crosscheck */
|
|
#ifdef WPARSER_TRACE
|
|
const char *state_name; /* only for debug printout */
|
|
#endif
|
|
} TParserStateAction;
|
|
|
|
#ifdef WPARSER_TRACE
|
|
#define TPARSERSTATEACTION(state) \
|
|
{ CppConcat(action,state), state, CppAsString(state) }
|
|
#else
|
|
#define TPARSERSTATEACTION(state) \
|
|
{ CppConcat(action,state), state }
|
|
#endif
|
|
|
|
/*
|
|
* order must be the same as in typedef enum {} TParserState!!
|
|
*/
|
|
|
|
static const TParserStateAction Actions[] = {
|
|
TPARSERSTATEACTION(TPS_Base),
|
|
TPARSERSTATEACTION(TPS_InNumWord),
|
|
TPARSERSTATEACTION(TPS_InAsciiWord),
|
|
TPARSERSTATEACTION(TPS_InWord),
|
|
TPARSERSTATEACTION(TPS_InUnsignedInt),
|
|
TPARSERSTATEACTION(TPS_InSignedIntFirst),
|
|
TPARSERSTATEACTION(TPS_InSignedInt),
|
|
TPARSERSTATEACTION(TPS_InSpace),
|
|
TPARSERSTATEACTION(TPS_InUDecimalFirst),
|
|
TPARSERSTATEACTION(TPS_InUDecimal),
|
|
TPARSERSTATEACTION(TPS_InDecimalFirst),
|
|
TPARSERSTATEACTION(TPS_InDecimal),
|
|
TPARSERSTATEACTION(TPS_InVerVersion),
|
|
TPARSERSTATEACTION(TPS_InSVerVersion),
|
|
TPARSERSTATEACTION(TPS_InVersionFirst),
|
|
TPARSERSTATEACTION(TPS_InVersion),
|
|
TPARSERSTATEACTION(TPS_InMantissaFirst),
|
|
TPARSERSTATEACTION(TPS_InMantissaSign),
|
|
TPARSERSTATEACTION(TPS_InMantissa),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityFirst),
|
|
TPARSERSTATEACTION(TPS_InXMLEntity),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityNumFirst),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityNum),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityHexNumFirst),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityHexNum),
|
|
TPARSERSTATEACTION(TPS_InXMLEntityEnd),
|
|
TPARSERSTATEACTION(TPS_InTagFirst),
|
|
TPARSERSTATEACTION(TPS_InXMLBegin),
|
|
TPARSERSTATEACTION(TPS_InTagCloseFirst),
|
|
TPARSERSTATEACTION(TPS_InTagName),
|
|
TPARSERSTATEACTION(TPS_InTagBeginEnd),
|
|
TPARSERSTATEACTION(TPS_InTag),
|
|
TPARSERSTATEACTION(TPS_InTagEscapeK),
|
|
TPARSERSTATEACTION(TPS_InTagEscapeKK),
|
|
TPARSERSTATEACTION(TPS_InTagBackSleshed),
|
|
TPARSERSTATEACTION(TPS_InTagEnd),
|
|
TPARSERSTATEACTION(TPS_InCommentFirst),
|
|
TPARSERSTATEACTION(TPS_InCommentLast),
|
|
TPARSERSTATEACTION(TPS_InComment),
|
|
TPARSERSTATEACTION(TPS_InCloseCommentFirst),
|
|
TPARSERSTATEACTION(TPS_InCloseCommentLast),
|
|
TPARSERSTATEACTION(TPS_InCommentEnd),
|
|
TPARSERSTATEACTION(TPS_InHostFirstDomain),
|
|
TPARSERSTATEACTION(TPS_InHostDomainSecond),
|
|
TPARSERSTATEACTION(TPS_InHostDomain),
|
|
TPARSERSTATEACTION(TPS_InPortFirst),
|
|
TPARSERSTATEACTION(TPS_InPort),
|
|
TPARSERSTATEACTION(TPS_InHostFirstAN),
|
|
TPARSERSTATEACTION(TPS_InHost),
|
|
TPARSERSTATEACTION(TPS_InEmail),
|
|
TPARSERSTATEACTION(TPS_InFileFirst),
|
|
TPARSERSTATEACTION(TPS_InFileTwiddle),
|
|
TPARSERSTATEACTION(TPS_InPathFirst),
|
|
TPARSERSTATEACTION(TPS_InPathFirstFirst),
|
|
TPARSERSTATEACTION(TPS_InPathSecond),
|
|
TPARSERSTATEACTION(TPS_InFile),
|
|
TPARSERSTATEACTION(TPS_InFileNext),
|
|
TPARSERSTATEACTION(TPS_InURLPathFirst),
|
|
TPARSERSTATEACTION(TPS_InURLPathStart),
|
|
TPARSERSTATEACTION(TPS_InURLPath),
|
|
TPARSERSTATEACTION(TPS_InFURL),
|
|
TPARSERSTATEACTION(TPS_InProtocolFirst),
|
|
TPARSERSTATEACTION(TPS_InProtocolSecond),
|
|
TPARSERSTATEACTION(TPS_InProtocolEnd),
|
|
TPARSERSTATEACTION(TPS_InHyphenAsciiWordFirst),
|
|
TPARSERSTATEACTION(TPS_InHyphenAsciiWord),
|
|
TPARSERSTATEACTION(TPS_InHyphenWordFirst),
|
|
TPARSERSTATEACTION(TPS_InHyphenWord),
|
|
TPARSERSTATEACTION(TPS_InHyphenNumWordFirst),
|
|
TPARSERSTATEACTION(TPS_InHyphenNumWord),
|
|
TPARSERSTATEACTION(TPS_InHyphenDigitLookahead),
|
|
TPARSERSTATEACTION(TPS_InParseHyphen),
|
|
TPARSERSTATEACTION(TPS_InParseHyphenHyphen),
|
|
TPARSERSTATEACTION(TPS_InHyphenWordPart),
|
|
TPARSERSTATEACTION(TPS_InHyphenAsciiWordPart),
|
|
TPARSERSTATEACTION(TPS_InHyphenNumWordPart),
|
|
TPARSERSTATEACTION(TPS_InHyphenUnsignedInt)
|
|
};
|
|
|
|
|
|
static bool
|
|
TParserGet(TParser *prs)
|
|
{
|
|
const TParserStateActionItem *item = NULL;
|
|
|
|
Assert(prs->state);
|
|
|
|
if (prs->state->posbyte >= prs->lenstr)
|
|
return false;
|
|
|
|
prs->token = prs->str + prs->state->posbyte;
|
|
prs->state->pushedAtAction = NULL;
|
|
|
|
/* look at string */
|
|
while (prs->state->posbyte <= prs->lenstr)
|
|
{
|
|
if (prs->state->posbyte == prs->lenstr)
|
|
prs->state->charlen = 0;
|
|
else
|
|
prs->state->charlen = (prs->charmaxlen == 1) ? prs->charmaxlen :
|
|
pg_mblen(prs->str + prs->state->posbyte);
|
|
|
|
Assert(prs->state->posbyte + prs->state->charlen <= prs->lenstr);
|
|
Assert(prs->state->state >= TPS_Base && prs->state->state < TPS_Null);
|
|
Assert(Actions[prs->state->state].state == prs->state->state);
|
|
|
|
if (prs->state->pushedAtAction)
|
|
{
|
|
/* After a POP, pick up at the next test */
|
|
item = prs->state->pushedAtAction + 1;
|
|
prs->state->pushedAtAction = NULL;
|
|
}
|
|
else
|
|
{
|
|
item = Actions[prs->state->state].action;
|
|
Assert(item != NULL);
|
|
}
|
|
|
|
/* find action by character class */
|
|
while (item->isclass)
|
|
{
|
|
prs->c = item->c;
|
|
if (item->isclass(prs) != 0)
|
|
break;
|
|
item++;
|
|
}
|
|
|
|
#ifdef WPARSER_TRACE
|
|
{
|
|
TParserPosition *ptr;
|
|
|
|
fprintf(stderr, "state ");
|
|
/* indent according to stack depth */
|
|
for (ptr = prs->state->prev; ptr; ptr = ptr->prev)
|
|
fprintf(stderr, " ");
|
|
fprintf(stderr, "%s ", Actions[prs->state->state].state_name);
|
|
if (prs->state->posbyte < prs->lenstr)
|
|
fprintf(stderr, "at %c", *(prs->str + prs->state->posbyte));
|
|
else
|
|
fprintf(stderr, "at EOF");
|
|
fprintf(stderr, " matched rule %d flags%s%s%s%s%s%s%s%s%s%s%s\n",
|
|
(int) (item - Actions[prs->state->state].action),
|
|
(item->flags & A_BINGO) ? " BINGO" : "",
|
|
(item->flags & A_POP) ? " POP" : "",
|
|
(item->flags & A_PUSH) ? " PUSH" : "",
|
|
(item->flags & A_RERUN) ? " RERUN" : "",
|
|
(item->flags & A_CLEAR) ? " CLEAR" : "",
|
|
(item->flags & A_MERGE) ? " MERGE" : "",
|
|
(item->flags & A_CLRALL) ? " CLRALL" : "",
|
|
(item->tostate != TPS_Null) ? " tostate " : "",
|
|
(item->tostate != TPS_Null) ? Actions[item->tostate].state_name : "",
|
|
(item->type > 0) ? " type " : "",
|
|
tok_alias[item->type]);
|
|
}
|
|
#endif
|
|
|
|
/* call special handler if exists */
|
|
if (item->special)
|
|
item->special(prs);
|
|
|
|
/* BINGO, token is found */
|
|
if (item->flags & A_BINGO)
|
|
{
|
|
Assert(item->type > 0);
|
|
prs->lenbytetoken = prs->state->lenbytetoken;
|
|
prs->lenchartoken = prs->state->lenchartoken;
|
|
prs->state->lenbytetoken = prs->state->lenchartoken = 0;
|
|
prs->type = item->type;
|
|
}
|
|
|
|
/* do various actions by flags */
|
|
if (item->flags & A_POP)
|
|
{ /* pop stored state in stack */
|
|
TParserPosition *ptr = prs->state->prev;
|
|
|
|
pfree(prs->state);
|
|
prs->state = ptr;
|
|
Assert(prs->state);
|
|
}
|
|
else if (item->flags & A_PUSH)
|
|
{ /* push (store) state in stack */
|
|
prs->state->pushedAtAction = item; /* remember where we push */
|
|
prs->state = newTParserPosition(prs->state);
|
|
}
|
|
else if (item->flags & A_CLEAR)
|
|
{ /* clear previous pushed state */
|
|
TParserPosition *ptr;
|
|
|
|
Assert(prs->state->prev);
|
|
ptr = prs->state->prev->prev;
|
|
pfree(prs->state->prev);
|
|
prs->state->prev = ptr;
|
|
}
|
|
else if (item->flags & A_CLRALL)
|
|
{ /* clear all previous pushed state */
|
|
TParserPosition *ptr;
|
|
|
|
while (prs->state->prev)
|
|
{
|
|
ptr = prs->state->prev->prev;
|
|
pfree(prs->state->prev);
|
|
prs->state->prev = ptr;
|
|
}
|
|
}
|
|
else if (item->flags & A_MERGE)
|
|
{ /* merge posinfo with current and pushed state */
|
|
TParserPosition *ptr = prs->state;
|
|
|
|
Assert(prs->state->prev);
|
|
prs->state = prs->state->prev;
|
|
|
|
prs->state->posbyte = ptr->posbyte;
|
|
prs->state->poschar = ptr->poschar;
|
|
prs->state->charlen = ptr->charlen;
|
|
prs->state->lenbytetoken = ptr->lenbytetoken;
|
|
prs->state->lenchartoken = ptr->lenchartoken;
|
|
pfree(ptr);
|
|
}
|
|
|
|
/* set new state if pointed */
|
|
if (item->tostate != TPS_Null)
|
|
prs->state->state = item->tostate;
|
|
|
|
/* check for go away */
|
|
if ((item->flags & A_BINGO) ||
|
|
(prs->state->posbyte >= prs->lenstr &&
|
|
(item->flags & A_RERUN) == 0))
|
|
break;
|
|
|
|
/* go to beginning of loop if we should rerun or we just restore state */
|
|
if (item->flags & (A_RERUN | A_POP))
|
|
continue;
|
|
|
|
/* move forward */
|
|
if (prs->state->charlen)
|
|
{
|
|
prs->state->posbyte += prs->state->charlen;
|
|
prs->state->lenbytetoken += prs->state->charlen;
|
|
prs->state->poschar++;
|
|
prs->state->lenchartoken++;
|
|
}
|
|
}
|
|
|
|
return (item && (item->flags & A_BINGO)) ? true : false;
|
|
}
|
|
|
|
Datum
|
|
prsd_lextype(PG_FUNCTION_ARGS)
|
|
{
|
|
LexDescr *descr = (LexDescr *) palloc(sizeof(LexDescr) * (LASTNUM + 1));
|
|
int i;
|
|
|
|
for (i = 1; i <= LASTNUM; i++)
|
|
{
|
|
descr[i - 1].lexid = i;
|
|
descr[i - 1].alias = pstrdup(tok_alias[i]);
|
|
descr[i - 1].descr = pstrdup(lex_descr[i]);
|
|
}
|
|
|
|
descr[LASTNUM].lexid = 0;
|
|
|
|
PG_RETURN_POINTER(descr);
|
|
}
|
|
|
|
Datum
|
|
prsd_start(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_RETURN_POINTER(TParserInit((char *) PG_GETARG_POINTER(0), PG_GETARG_INT32(1)));
|
|
}
|
|
|
|
Datum
|
|
prsd_nexttoken(PG_FUNCTION_ARGS)
|
|
{
|
|
TParser *p = (TParser *) PG_GETARG_POINTER(0);
|
|
char **t = (char **) PG_GETARG_POINTER(1);
|
|
int *tlen = (int *) PG_GETARG_POINTER(2);
|
|
|
|
if (!TParserGet(p))
|
|
PG_RETURN_INT32(0);
|
|
|
|
*t = p->token;
|
|
*tlen = p->lenbytetoken;
|
|
|
|
PG_RETURN_INT32(p->type);
|
|
}
|
|
|
|
Datum
|
|
prsd_end(PG_FUNCTION_ARGS)
|
|
{
|
|
TParser *p = (TParser *) PG_GETARG_POINTER(0);
|
|
|
|
TParserClose(p);
|
|
PG_RETURN_VOID();
|
|
}
|
|
|
|
#define LEAVETOKEN(x) ( (x)==SPACE )
|
|
#define COMPLEXTOKEN(x) ( (x)==URL_T || (x)==NUMHWORD || (x)==ASCIIHWORD || (x)==HWORD )
|
|
#define ENDPUNCTOKEN(x) ( (x)==SPACE )
|
|
|
|
#define TS_IDIGNORE(x) ( (x)==TAG_T || (x)==PROTOCOL || (x)==SPACE || (x)==XMLENTITY )
|
|
#define HLIDIGNORE(x) ( (x)==URL_T || (x)==TAG_T || (x)==NUMHWORD || (x)==ASCIIHWORD || (x)==HWORD )
|
|
#define XMLHLIDIGNORE(x) ( (x)==URL_T || (x)==NUMHWORD || (x)==ASCIIHWORD || (x)==HWORD )
|
|
#define NONWORDTOKEN(x) ( (x)==SPACE || HLIDIGNORE(x) )
|
|
#define NOENDTOKEN(x) ( NONWORDTOKEN(x) || (x)==SCIENTIFIC || (x)==VERSIONNUMBER || (x)==DECIMAL || (x)==SIGNEDINT || (x)==UNSIGNEDINT || TS_IDIGNORE(x) )
|
|
|
|
typedef struct
|
|
{
|
|
HeadlineWordEntry *words;
|
|
int len;
|
|
} hlCheck;
|
|
|
|
static bool
|
|
checkcondition_HL(void *checkval, QueryOperand *val)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ((hlCheck *) checkval)->len; i++)
|
|
{
|
|
if (((hlCheck *) checkval)->words[i].item == val)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
static bool
|
|
hlCover(HeadlineParsedText *prs, TSQuery query, int *p, int *q)
|
|
{
|
|
int i,
|
|
j;
|
|
QueryItem *item = GETQUERY(query);
|
|
int pos = *p;
|
|
|
|
*q = -1;
|
|
*p = 0x7fffffff;
|
|
|
|
for (j = 0; j < query->size; j++)
|
|
{
|
|
if (item->type != QI_VAL)
|
|
{
|
|
item++;
|
|
continue;
|
|
}
|
|
for (i = pos; i < prs->curwords; i++)
|
|
{
|
|
if (prs->words[i].item == &item->operand)
|
|
{
|
|
if (i > *q)
|
|
*q = i;
|
|
break;
|
|
}
|
|
}
|
|
item++;
|
|
}
|
|
|
|
if (*q < 0)
|
|
return false;
|
|
|
|
item = GETQUERY(query);
|
|
for (j = 0; j < query->size; j++)
|
|
{
|
|
if (item->type != QI_VAL)
|
|
{
|
|
item++;
|
|
continue;
|
|
}
|
|
for (i = *q; i >= pos; i--)
|
|
{
|
|
if (prs->words[i].item == &item->operand)
|
|
{
|
|
if (i < *p)
|
|
*p = i;
|
|
break;
|
|
}
|
|
}
|
|
item++;
|
|
}
|
|
|
|
if (*p <= *q)
|
|
{
|
|
hlCheck ch;
|
|
|
|
ch.words = &(prs->words[*p]);
|
|
ch.len = *q - *p + 1;
|
|
if (TS_execute(GETQUERY(query), &ch, false, checkcondition_HL))
|
|
return true;
|
|
else
|
|
{
|
|
(*p)++;
|
|
return hlCover(prs, query, p, q);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
mark_fragment(HeadlineParsedText *prs, int highlight, int startpos, int endpos)
|
|
{
|
|
int i;
|
|
|
|
for (i = startpos; i <= endpos; i++)
|
|
{
|
|
if (prs->words[i].item)
|
|
prs->words[i].selected = 1;
|
|
if (highlight == 0)
|
|
{
|
|
if (HLIDIGNORE(prs->words[i].type))
|
|
prs->words[i].replace = 1;
|
|
}
|
|
else
|
|
{
|
|
if (XMLHLIDIGNORE(prs->words[i].type))
|
|
prs->words[i].replace = 1;
|
|
}
|
|
|
|
prs->words[i].in = (prs->words[i].repeated) ? 0 : 1;
|
|
}
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
int4 startpos;
|
|
int4 endpos;
|
|
int4 poslen;
|
|
int4 curlen;
|
|
int2 in;
|
|
int2 excluded;
|
|
} CoverPos;
|
|
|
|
static void
|
|
get_next_fragment(HeadlineParsedText *prs, int *startpos, int *endpos,
|
|
int *curlen, int *poslen, int max_words)
|
|
{
|
|
int i;
|
|
/* Objective: Generate a fragment of words between startpos and endpos
|
|
* such that it has at most max_words and both ends has query words.
|
|
* If the startpos and endpos are the endpoints of the cover and the
|
|
* cover has fewer words than max_words, then this function should
|
|
* just return the cover
|
|
*/
|
|
/* first move startpos to an item */
|
|
for(i = *startpos; i <= *endpos; i++)
|
|
{
|
|
*startpos = i;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
break;
|
|
}
|
|
/* cut endpos to have only max_words */
|
|
*curlen = 0;
|
|
*poslen = 0;
|
|
for(i = *startpos; i <= *endpos && *curlen < max_words; i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
*curlen += 1;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
*poslen += 1;
|
|
}
|
|
/* if the cover was cut then move back endpos to a query item */
|
|
if (*endpos > i)
|
|
{
|
|
*endpos = i;
|
|
for(i = *endpos; i >= *startpos; i --)
|
|
{
|
|
*endpos = i;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
break;
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
*curlen -= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
mark_hl_fragments(HeadlineParsedText *prs, TSQuery query, int highlight,
|
|
int shortword, int min_words,
|
|
int max_words, int max_fragments)
|
|
{
|
|
int4 poslen, curlen, i, f, num_f = 0;
|
|
int4 stretch, maxstretch, posmarker;
|
|
|
|
int4 startpos = 0,
|
|
endpos = 0,
|
|
p = 0,
|
|
q = 0;
|
|
|
|
int4 numcovers = 0,
|
|
maxcovers = 32;
|
|
|
|
int4 minI, minwords, maxitems;
|
|
CoverPos *covers;
|
|
|
|
covers = palloc(maxcovers * sizeof(CoverPos));
|
|
|
|
/* get all covers */
|
|
while (hlCover(prs, query, &p, &q))
|
|
{
|
|
startpos = p;
|
|
endpos = q;
|
|
|
|
/* Break the cover into smaller fragments such that each fragment
|
|
* has at most max_words. Also ensure that each end of the fragment
|
|
* is a query word. This will allow us to stretch the fragment in
|
|
* either direction
|
|
*/
|
|
|
|
while (startpos <= endpos)
|
|
{
|
|
get_next_fragment(prs, &startpos, &endpos, &curlen, &poslen, max_words);
|
|
if (numcovers >= maxcovers)
|
|
{
|
|
maxcovers *= 2;
|
|
covers = repalloc(covers, sizeof(CoverPos) * maxcovers);
|
|
}
|
|
covers[numcovers].startpos = startpos;
|
|
covers[numcovers].endpos = endpos;
|
|
covers[numcovers].curlen = curlen;
|
|
covers[numcovers].poslen = poslen;
|
|
covers[numcovers].in = 0;
|
|
covers[numcovers].excluded = 0;
|
|
numcovers ++;
|
|
startpos = endpos + 1;
|
|
endpos = q;
|
|
}
|
|
/* move p to generate the next cover */
|
|
p++;
|
|
}
|
|
|
|
/* choose best covers */
|
|
for (f = 0; f < max_fragments; f++)
|
|
{
|
|
maxitems = 0;
|
|
minwords = 0x7fffffff;
|
|
minI = -1;
|
|
/* Choose the cover that contains max items.
|
|
* In case of tie choose the one with smaller
|
|
* number of words.
|
|
*/
|
|
for (i = 0; i < numcovers; i ++)
|
|
{
|
|
if (!covers[i].in && !covers[i].excluded &&
|
|
(maxitems < covers[i].poslen || (maxitems == covers[i].poslen
|
|
&& minwords > covers[i].curlen)))
|
|
{
|
|
maxitems = covers[i].poslen;
|
|
minwords = covers[i].curlen;
|
|
minI = i;
|
|
}
|
|
}
|
|
/* if a cover was found mark it */
|
|
if (minI >= 0)
|
|
{
|
|
covers[minI].in = 1;
|
|
/* adjust the size of cover */
|
|
startpos = covers[minI].startpos;
|
|
endpos = covers[minI].endpos;
|
|
curlen = covers[minI].curlen;
|
|
/* stretch the cover if cover size is lower than max_words */
|
|
if (curlen < max_words)
|
|
{
|
|
/* divide the stretch on both sides of cover */
|
|
maxstretch = (max_words - curlen)/2;
|
|
/* first stretch the startpos
|
|
* stop stretching if
|
|
* 1. we hit the beginning of document
|
|
* 2. exceed maxstretch
|
|
* 3. we hit an already marked fragment
|
|
*/
|
|
stretch = 0;
|
|
posmarker = startpos;
|
|
for (i = startpos - 1; i >= 0 && stretch < maxstretch && !prs->words[i].in; i--)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
{
|
|
curlen ++;
|
|
stretch ++;
|
|
}
|
|
posmarker = i;
|
|
}
|
|
/* cut back startpos till we find a non short token */
|
|
for (i = posmarker; i < startpos && (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword); i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen --;
|
|
}
|
|
startpos = i;
|
|
/* now stretch the endpos as much as possible*/
|
|
posmarker = endpos;
|
|
for (i = endpos + 1; i < prs->curwords && curlen < max_words && !prs->words[i].in; i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen ++;
|
|
posmarker = i;
|
|
}
|
|
/* cut back endpos till we find a non-short token */
|
|
for ( i = posmarker; i > endpos && (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword); i--)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen --;
|
|
}
|
|
endpos = i;
|
|
}
|
|
covers[minI].startpos = startpos;
|
|
covers[minI].endpos = endpos;
|
|
covers[minI].curlen = curlen;
|
|
/* Mark the chosen fragments (covers) */
|
|
mark_fragment(prs, highlight, startpos, endpos);
|
|
num_f ++;
|
|
/* exclude overlapping covers */
|
|
for (i = 0; i < numcovers; i ++)
|
|
{
|
|
if (i != minI && ( (covers[i].startpos >= covers[minI].startpos && covers[i].startpos <= covers[minI].endpos) || (covers[i].endpos >= covers[minI].startpos && covers[i].endpos <= covers[minI].endpos)))
|
|
covers[i].excluded = 1;
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
/* show at least min_words we have not marked anything*/
|
|
if (num_f <= 0)
|
|
{
|
|
startpos = endpos = curlen = 0;
|
|
for (i = 0; i < prs->curwords && curlen < min_words; i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen++;
|
|
endpos = i;
|
|
}
|
|
mark_fragment(prs, highlight, startpos, endpos);
|
|
}
|
|
pfree(covers);
|
|
}
|
|
static void
|
|
mark_hl_words(HeadlineParsedText *prs, TSQuery query, int highlight,
|
|
int shortword, int min_words, int max_words)
|
|
{
|
|
int p = 0,
|
|
q = 0;
|
|
int bestb = -1,
|
|
beste = -1;
|
|
int bestlen = -1;
|
|
int pose = 0,
|
|
posb,
|
|
poslen,
|
|
curlen;
|
|
|
|
int i;
|
|
|
|
if (highlight == 0)
|
|
{
|
|
while (hlCover(prs, query, &p, &q))
|
|
{
|
|
/* find cover len in words */
|
|
curlen = 0;
|
|
poslen = 0;
|
|
for (i = p; i <= q && curlen < max_words; i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen++;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
poslen++;
|
|
pose = i;
|
|
}
|
|
|
|
if (poslen < bestlen && !(NOENDTOKEN(prs->words[beste].type) || prs->words[beste].len <= shortword))
|
|
{
|
|
/* best already finded, so try one more cover */
|
|
p++;
|
|
continue;
|
|
}
|
|
|
|
posb = p;
|
|
if (curlen < max_words)
|
|
{ /* find good end */
|
|
for (i = i - 1; i < prs->curwords && curlen < max_words; i++)
|
|
{
|
|
if (i != q)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen++;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
poslen++;
|
|
}
|
|
pose = i;
|
|
if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword)
|
|
continue;
|
|
if (curlen >= min_words)
|
|
break;
|
|
}
|
|
if (curlen < min_words && i >= prs->curwords)
|
|
{ /* got end of text and our cover is shoter
|
|
* than min_words */
|
|
for (i = p; i >= 0; i--)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen++;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
poslen++;
|
|
if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword)
|
|
continue;
|
|
if (curlen >= min_words)
|
|
break;
|
|
}
|
|
posb = (i >= 0) ? i : 0;
|
|
}
|
|
}
|
|
else
|
|
{ /* shorter cover :((( */
|
|
for (; curlen > min_words; i--)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen--;
|
|
if (prs->words[i].item && !prs->words[i].repeated)
|
|
poslen--;
|
|
pose = i;
|
|
if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword)
|
|
continue;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bestlen < 0 || (poslen > bestlen && !(NOENDTOKEN(prs->words[pose].type) || prs->words[pose].len <= shortword)) ||
|
|
(bestlen >= 0 && !(NOENDTOKEN(prs->words[pose].type) || prs->words[pose].len <= shortword) &&
|
|
(NOENDTOKEN(prs->words[beste].type) || prs->words[beste].len <= shortword)))
|
|
{
|
|
bestb = posb;
|
|
beste = pose;
|
|
bestlen = poslen;
|
|
}
|
|
|
|
p++;
|
|
}
|
|
|
|
if (bestlen < 0)
|
|
{
|
|
curlen = 0;
|
|
for (i = 0; i < prs->curwords && curlen < min_words; i++)
|
|
{
|
|
if (!NONWORDTOKEN(prs->words[i].type))
|
|
curlen++;
|
|
pose = i;
|
|
}
|
|
bestb = 0;
|
|
beste = pose;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bestb = 0;
|
|
beste = prs->curwords - 1;
|
|
}
|
|
|
|
for (i = bestb; i <= beste; i++)
|
|
{
|
|
if (prs->words[i].item)
|
|
prs->words[i].selected = 1;
|
|
if (highlight == 0)
|
|
{
|
|
if (HLIDIGNORE(prs->words[i].type))
|
|
prs->words[i].replace = 1;
|
|
}
|
|
else
|
|
{
|
|
if (XMLHLIDIGNORE(prs->words[i].type))
|
|
prs->words[i].replace = 1;
|
|
}
|
|
|
|
prs->words[i].in = (prs->words[i].repeated) ? 0 : 1;
|
|
}
|
|
|
|
}
|
|
|
|
Datum
|
|
prsd_headline(PG_FUNCTION_ARGS)
|
|
{
|
|
HeadlineParsedText *prs = (HeadlineParsedText *) PG_GETARG_POINTER(0);
|
|
List *prsoptions = (List *) PG_GETARG_POINTER(1);
|
|
TSQuery query = PG_GETARG_TSQUERY(2);
|
|
|
|
/* from opt + start and and tag */
|
|
int min_words = 15;
|
|
int max_words = 35;
|
|
int shortword = 3;
|
|
int max_fragments = 0;
|
|
int highlight = 0;
|
|
ListCell *l;
|
|
|
|
/* config */
|
|
prs->startsel = NULL;
|
|
prs->stopsel = NULL;
|
|
foreach(l, prsoptions)
|
|
{
|
|
DefElem *defel = (DefElem *) lfirst(l);
|
|
char *val = defGetString(defel);
|
|
|
|
if (pg_strcasecmp(defel->defname, "MaxWords") == 0)
|
|
max_words = pg_atoi(val, sizeof(int32), 0);
|
|
else if (pg_strcasecmp(defel->defname, "MinWords") == 0)
|
|
min_words = pg_atoi(val, sizeof(int32), 0);
|
|
else if (pg_strcasecmp(defel->defname, "ShortWord") == 0)
|
|
shortword = pg_atoi(val, sizeof(int32), 0);
|
|
else if (pg_strcasecmp(defel->defname, "MaxFragments") == 0)
|
|
max_fragments = pg_atoi(val, sizeof(int32), 0);
|
|
else if (pg_strcasecmp(defel->defname, "StartSel") == 0)
|
|
prs->startsel = pstrdup(val);
|
|
else if (pg_strcasecmp(defel->defname, "StopSel") == 0)
|
|
prs->stopsel = pstrdup(val);
|
|
else if (pg_strcasecmp(defel->defname, "FragmentDelimiter") == 0)
|
|
prs->fragdelim = pstrdup(val);
|
|
else if (pg_strcasecmp(defel->defname, "HighlightAll") == 0)
|
|
highlight = (pg_strcasecmp(val, "1") == 0 ||
|
|
pg_strcasecmp(val, "on") == 0 ||
|
|
pg_strcasecmp(val, "true") == 0 ||
|
|
pg_strcasecmp(val, "t") == 0 ||
|
|
pg_strcasecmp(val, "y") == 0 ||
|
|
pg_strcasecmp(val, "yes") == 0);
|
|
else
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
|
errmsg("unrecognized headline parameter: \"%s\"",
|
|
defel->defname)));
|
|
}
|
|
|
|
if (highlight == 0)
|
|
{
|
|
if (min_words >= max_words)
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
|
errmsg("MinWords should be less than MaxWords")));
|
|
if (min_words <= 0)
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
|
errmsg("MinWords should be positive")));
|
|
if (shortword < 0)
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
|
errmsg("ShortWord should be >= 0")));
|
|
if (max_fragments < 0)
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
|
errmsg("MaxFragments should be >= 0")));
|
|
}
|
|
|
|
if (max_fragments == 0)
|
|
/* call the default headline generator */
|
|
mark_hl_words(prs, query, highlight, shortword, min_words, max_words);
|
|
else
|
|
mark_hl_fragments(prs, query, highlight, shortword, min_words, max_words, max_fragments);
|
|
|
|
if (!prs->startsel)
|
|
prs->startsel = pstrdup("<b>");
|
|
if (!prs->stopsel)
|
|
prs->stopsel = pstrdup("</b>");
|
|
if (!prs->fragdelim)
|
|
prs->fragdelim = pstrdup(" ... ");
|
|
prs->startsellen = strlen(prs->startsel);
|
|
prs->stopsellen = strlen(prs->stopsel);
|
|
prs->fragdelimlen = strlen(prs->fragdelim);
|
|
|
|
PG_RETURN_POINTER(prs);
|
|
}
|
|
|