diff options
Diffstat (limited to 'src/backend/tsearch/ts_utils.c')
| -rw-r--r-- | src/backend/tsearch/ts_utils.c | 165 |
1 files changed, 1 insertions, 164 deletions
diff --git a/src/backend/tsearch/ts_utils.c b/src/backend/tsearch/ts_utils.c index bb0a75ca85a..9270c403696 100644 --- a/src/backend/tsearch/ts_utils.c +++ b/src/backend/tsearch/ts_utils.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/tsearch/ts_utils.c,v 1.1 2007/08/21 01:11:18 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/tsearch/ts_utils.c,v 1.2 2007/08/22 01:39:44 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -24,169 +24,6 @@ #include "utils/builtins.h" -#define CS_WAITKEY 0 -#define CS_INKEY 1 -#define CS_WAITEQ 2 -#define CS_WAITVALUE 3 -#define CS_INVALUE 4 -#define CS_IN2VALUE 5 -#define CS_WAITDELIM 6 -#define CS_INESC 7 -#define CS_IN2ESC 8 - -static char * -nstrdup(char *ptr, int len) -{ - char *res = palloc(len + 1), - *cptr; - - memcpy(res, ptr, len); - res[len] = '\0'; - cptr = ptr = res; - while (*ptr) - { - if (t_iseq(ptr, '\\')) - ptr++; - COPYCHAR(cptr, ptr); - cptr += pg_mblen(ptr); - ptr += pg_mblen(ptr); - } - *cptr = '\0'; - - return res; -} - -/* - * Parse a parameter string consisting of key = value clauses - */ -void -parse_keyvalpairs(text *in, Map ** m) -{ - Map *mptr; - char *ptr = VARDATA(in), - *begin = NULL; - char num = 0; - int state = CS_WAITKEY; - - while (ptr - VARDATA(in) < VARSIZE(in) - VARHDRSZ) - { - if (t_iseq(ptr, ',')) - num++; - ptr += pg_mblen(ptr); - } - - *m = mptr = (Map *) palloc(sizeof(Map) * (num + 2)); - memset(mptr, 0, sizeof(Map) * (num + 2)); - ptr = VARDATA(in); - while (ptr - VARDATA(in) < VARSIZE(in) - VARHDRSZ) - { - if (state == CS_WAITKEY) - { - if (t_isalpha(ptr)) - { - begin = ptr; - state = CS_INKEY; - } - else if (!t_isspace(ptr)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("invalid parameter list format: \"%s\"", - TextPGetCString(in)))); - } - else if (state == CS_INKEY) - { - if (t_isspace(ptr)) - { - mptr->key = nstrdup(begin, ptr - begin); - state = CS_WAITEQ; - } - else if (t_iseq(ptr, '=')) - { - mptr->key = nstrdup(begin, ptr - begin); - state = CS_WAITVALUE; - } - else if (!t_isalpha(ptr)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("invalid parameter list format: \"%s\"", - TextPGetCString(in)))); - } - else if (state == CS_WAITEQ) - { - if (t_iseq(ptr, '=')) - state = CS_WAITVALUE; - else if (!t_isspace(ptr)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("invalid parameter list format: \"%s\"", - TextPGetCString(in)))); - } - else if (state == CS_WAITVALUE) - { - if (t_iseq(ptr, '"')) - { - begin = ptr + 1; - state = CS_INVALUE; - } - else if (!t_isspace(ptr)) - { - begin = ptr; - state = CS_IN2VALUE; - } - } - else if (state == CS_INVALUE) - { - if (t_iseq(ptr, '"')) - { - mptr->value = nstrdup(begin, ptr - begin); - mptr++; - state = CS_WAITDELIM; - } - else if (t_iseq(ptr, '\\')) - state = CS_INESC; - } - else if (state == CS_IN2VALUE) - { - if (t_isspace(ptr) || t_iseq(ptr, ',')) - { - mptr->value = nstrdup(begin, ptr - begin); - mptr++; - state = (t_iseq(ptr, ',')) ? CS_WAITKEY : CS_WAITDELIM; - } - else if (t_iseq(ptr, '\\')) - state = CS_INESC; - } - else if (state == CS_WAITDELIM) - { - if (t_iseq(ptr, ',')) - state = CS_WAITKEY; - else if (!t_isspace(ptr)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("invalid parameter list format: \"%s\"", - TextPGetCString(in)))); - } - else if (state == CS_INESC) - state = CS_INVALUE; - else if (state == CS_IN2ESC) - state = CS_IN2VALUE; - else - elog(ERROR, "unrecognized parse_keyvalpairs state: %d", state); - ptr += pg_mblen(ptr); - } - - if (state == CS_IN2VALUE) - { - mptr->value = nstrdup(begin, ptr - begin); - mptr++; - } - else if (!(state == CS_WAITDELIM || state == CS_WAITKEY)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("invalid parameter list format: \"%s\"", - TextPGetCString(in)))); -} - /* * Given the base name and extension of a tsearch config file, return * its full path name. The base name is assumed to be user-supplied, |