Text parser rewritten:
- supports multibyte encodings
- more strict rules for lexemes
- flex isn't used
Add:
- tsquery plainto_tsquery(text)
Function makes tsquery from plain text.
- &&, ||, !! operation for tsquery for combining
tsquery from it's parts: 'foo & bar' || 'asd' => 'foo & bar | asd'
This commit is contained in:
Teodor Sigaev
parent
b91e6ed93e
commit
c52795d18a
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@ -1,4 +1,4 @@
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# $PostgreSQL: pgsql/contrib/tsearch2/Makefile,v 1.11 2005/11/08 17:08:46 teodor Exp $
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# $PostgreSQL: pgsql/contrib/tsearch2/Makefile,v 1.12 2005/11/21 12:27:57 teodor Exp $
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MODULE_big = tsearch2
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OBJS = dict_ex.o dict.o snmap.o stopword.o common.o prs_dcfg.o \
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@ -6,7 +6,8 @@ OBJS = dict_ex.o dict.o snmap.o stopword.o common.o prs_dcfg.o \
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wparser.o wparser_def.o \
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ts_cfg.o tsvector.o query_cleanup.o crc32.o query.o gistidx.o \
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tsvector_op.o rank.o ts_stat.o \
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query_util.o query_support.o query_rewrite.o query_gist.o
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query_util.o query_support.o query_rewrite.o query_gist.o \
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ts_locale.o
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SUBDIRS := snowball ispell wordparser
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SUBDIROBJS := $(SUBDIRS:%=%/SUBSYS.o)
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@ -13,12 +13,12 @@ psql:tsearch2.sql:342: NOTICE: argument type tsvector is only a shell
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psql:tsearch2.sql:396: NOTICE: type "tsquery" is not yet defined
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DETAIL: Creating a shell type definition.
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psql:tsearch2.sql:401: NOTICE: argument type tsquery is only a shell
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psql:tsearch2.sql:544: NOTICE: type "gtsvector" is not yet defined
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psql:tsearch2.sql:559: NOTICE: type "gtsvector" is not yet defined
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DETAIL: Creating a shell type definition.
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psql:tsearch2.sql:549: NOTICE: argument type gtsvector is only a shell
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psql:tsearch2.sql:998: NOTICE: type "gtsq" is not yet defined
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psql:tsearch2.sql:564: NOTICE: argument type gtsvector is only a shell
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psql:tsearch2.sql:1054: NOTICE: type "gtsq" is not yet defined
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DETAIL: Creating a shell type definition.
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psql:tsearch2.sql:1003: NOTICE: argument type gtsq is only a shell
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psql:tsearch2.sql:1059: NOTICE: argument type gtsq is only a shell
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--tsvector
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SELECT '1'::tsvector;
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tsvector
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@ -653,7 +653,7 @@ select * from token_type('default');
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11 | lpart_hword | Latin part of hyphenated word
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12 | blank | Space symbols
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13 | tag | HTML Tag
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14 | http | HTTP head
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14 | protocol | Protocol head
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15 | hword | Hyphenated word
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16 | lhword | Latin hyphenated word
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17 | nlhword | Non-latin hyphenated word
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@ -672,14 +672,13 @@ select * from parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc
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-------+--------------------------------------
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22 | 345
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12 |
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4 | qwe@efd.r
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12 |
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12 | '
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12 |
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1 | qwe
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12 | @
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19 | efd.r
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12 | '
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14 | http://
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6 | www.com
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12 | /
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12 |
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12 | /
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14 | http://
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5 | aew.werc.ewr/?ad=qwe&dw
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6 | aew.werc.ewr
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@ -700,10 +699,8 @@ select * from parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc
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6 | 4aew.werc.ewr
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12 |
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14 | http://
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5 | 5aew.werc.ewr:8100/?
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6 | 5aew.werc.ewr
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18 | :8100/?
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12 |
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6 | 5aew.werc.ewr:8100
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12 | /?
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1 | ad
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12 | =
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1 | qwe
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@ -711,12 +708,12 @@ select * from parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc
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1 | dw
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12 |
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5 | 6aew.werc.ewr:8100/?ad=qwe&dw
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6 | 6aew.werc.ewr
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18 | :8100/?ad=qwe&dw
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6 | 6aew.werc.ewr:8100
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18 | /?ad=qwe&dw
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12 |
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5 | 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32
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6 | 7aew.werc.ewr
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18 | :8100/?ad=qwe&dw=%20%32
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6 | 7aew.werc.ewr:8100
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18 | /?ad=qwe&dw=%20%32
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12 |
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7 | +4.0e-10
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12 |
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@ -747,11 +744,15 @@ select * from parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc
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1 | jf
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12 |
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1 | sdjk
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13 | <we hjwer <werrwe>
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12 | <
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1 | we
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12 |
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1 | hjwer
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12 |
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13 | <werrwe>
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12 |
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3 | ewr1
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12 | >
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12 |
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12 | >
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3 | ewri2
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12 |
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13 | <a href="qwe<qwe>">
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@ -767,57 +768,53 @@ select * from parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc
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12 |
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19 | /wqe-324/ewr
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12 |
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6 | gist.h
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19 | gist.h
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12 |
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6 | gist.h.c
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12 |
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6 | gist.c
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12 | .
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19 | gist.h.c
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12 |
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19 | gist.c
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12 | .
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1 | readline
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12 |
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20 | 4.2
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12 |
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20 | 4.2
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12 | .
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12 |
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12 | .
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20 | 4.2
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12 | ,
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12 |
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15 | readline-4
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12 | ,
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15 | readline-4.2
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11 | readline
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12 | -
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20 | 4.2
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12 |
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15 | readline-4
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15 | readline-4.2
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11 | readline
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12 | -
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20 | 4.2
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12 | .
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12 |
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12 | .
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22 | 234
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12 |
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13 | <i <b>
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12 | <
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1 | i
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12 |
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13 | <b>
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12 |
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1 | wow
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12 |
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12 | <
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12 |
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12 | <
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1 | jqw
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12 |
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12 | <
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12 | >
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12 |
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12 | <>
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1 | qwerty
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(138 rows)
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(135 rows)
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SELECT to_tsvector('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc.ewr/?ad=qwe&dw 1aew.werc.ewr/?ad=qwe&dw 2aew.werc.ewr http://3aew.werc.ewr/?ad=qwe&dw http://4aew.werc.ewr http://5aew.werc.ewr:8100/? ad=qwe&dw 6aew.werc.ewr:8100/?ad=qwe&dw 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32 +4.0e-10 qwe qwe qwqwe 234.435 455 5.005 teodor@stack.net qwe-wer asdf <fr>qwer jf sdjk<we hjwer <werrwe> ewr1> ewri2 <a href="qwe<qwe>">
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/usr/local/fff /awdf/dwqe/4325 rewt/ewr wefjn /wqe-324/ewr gist.h gist.h.c gist.c. readline 4.2 4.2. 4.2, readline-4.2 readline-4.2. 234
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<i <b> wow < jqw <> qwerty');
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to_tsvector
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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'ad':18 'dw':20 'jf':40 '234':62 '345':1 '4.2':53,54,55,58,61 '455':32 'jqw':64 'qwe':19,28,29,36 'wer':37 'wow':63 'asdf':38 'ewr1':42 'qwer':39 'sdjk':41 '5.005':33 'ewri2':43 'qwqwe':30 'wefjn':47 'gist.c':51 'gist.h':49 'qwerti':65 '234.435':31 ':8100/?':17 'qwe-wer':35 'readlin':52,57,60 'www.com':3 '+4.0e-10':27 'gist.h.c':50 'rewt/ewr':46 'qwe@efd.r':2 'readline-4':56,59 '/?ad=qwe&dw':6,9,13 '/wqe-324/ewr':48 'aew.werc.ewr':5 '1aew.werc.ewr':8 '2aew.werc.ewr':10 '3aew.werc.ewr':12 '4aew.werc.ewr':14 '5aew.werc.ewr':16 '6aew.werc.ewr':22 '7aew.werc.ewr':25 '/usr/local/fff':44 '/awdf/dwqe/4325':45 ':8100/?ad=qwe&dw':23 'teodor@stack.net':34 '5aew.werc.ewr:8100/?':15 ':8100/?ad=qwe&dw=%20%32':26 'aew.werc.ewr/?ad=qwe&dw':4 '1aew.werc.ewr/?ad=qwe&dw':7 '3aew.werc.ewr/?ad=qwe&dw':11 '6aew.werc.ewr:8100/?ad=qwe&dw':21 '7aew.werc.ewr:8100/?ad=qwe&dw=%20%32':24
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to_tsvector
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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'ad':17 'dw':19 'jf':39 '234':63 '345':1 '4.2':54,55,56,59,62 '455':31 'jqw':66 'qwe':2,18,27,28,35 'wer':36 'wow':65 'asdf':37 'ewr1':43 'qwer':38 'sdjk':40 '5.005':32 'efd.r':3 'ewri2':44 'hjwer':42 'qwqwe':29 'wefjn':48 'gist.c':52 'gist.h':50 'qwerti':67 '234.435':30 'qwe-wer':34 'readlin':53,58,61 'www.com':4 '+4.0e-10':26 'gist.h.c':51 'rewt/ewr':47 '/?ad=qwe&dw':7,10,14,22 '/wqe-324/ewr':49 'aew.werc.ewr':6 'readline-4.2':57,60 '1aew.werc.ewr':9 '2aew.werc.ewr':11 '3aew.werc.ewr':13 '4aew.werc.ewr':15 '/usr/local/fff':45 '/awdf/dwqe/4325':46 'teodor@stack.net':33 '/?ad=qwe&dw=%20%32':25 '5aew.werc.ewr:8100':16 '6aew.werc.ewr:8100':21 '7aew.werc.ewr:8100':24 'aew.werc.ewr/?ad=qwe&dw':5 '1aew.werc.ewr/?ad=qwe&dw':8 '3aew.werc.ewr/?ad=qwe&dw':12 '6aew.werc.ewr:8100/?ad=qwe&dw':20 '7aew.werc.ewr:8100/?ad=qwe&dw=%20%32':23
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(1 row)
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SELECT length(to_tsvector('default', '345 qw'));
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@ -831,7 +828,7 @@ SELECT length(to_tsvector('default', '345 qwe@efd.r '' http://www.com/ http://ae
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<i <b> wow < jqw <> qwerty'));
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length
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--------
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53
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51
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(1 row)
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select to_tsquery('default', 'qwe & sKies ');
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@ -876,6 +873,36 @@ select to_tsquery('default', '(the|and&(i&1))&fghj');
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'1' & 'fghj'
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(1 row)
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select plainto_tsquery('default', 'the and z 1))& fghj');
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plainto_tsquery
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--------------------
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'z' & '1' & 'fghj'
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(1 row)
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select plainto_tsquery('default', 'foo bar') && plainto_tsquery('default', 'asd');
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?column?
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-----------------------
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'foo' & 'bar' & 'asd'
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(1 row)
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select plainto_tsquery('default', 'foo bar') || plainto_tsquery('default', 'asd fg');
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?column?
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------------------------------
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'foo' & 'bar' | 'asd' & 'fg'
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(1 row)
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select plainto_tsquery('default', 'foo bar') || !!plainto_tsquery('default', 'asd fg');
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?column?
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-----------------------------------
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'foo' & 'bar' | !( 'asd' & 'fg' )
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(1 row)
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select plainto_tsquery('default', 'foo bar') && 'asd | fg';
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?column?
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----------------------------------
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'foo' & 'bar' & ( 'asd' | 'fg' )
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(1 row)
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select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca';
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?column?
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----------
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@ -51,10 +51,20 @@ Datum to_tsquery_name(PG_FUNCTION_ARGS);
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PG_FUNCTION_INFO_V1(to_tsquery_current);
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Datum to_tsquery_current(PG_FUNCTION_ARGS);
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PG_FUNCTION_INFO_V1(plainto_tsquery);
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Datum plainto_tsquery(PG_FUNCTION_ARGS);
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PG_FUNCTION_INFO_V1(plainto_tsquery_name);
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Datum plainto_tsquery_name(PG_FUNCTION_ARGS);
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PG_FUNCTION_INFO_V1(plainto_tsquery_current);
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Datum plainto_tsquery_current(PG_FUNCTION_ARGS);
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/* parser's states */
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#define WAITOPERAND 1
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#define WAITOPERATOR 2
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#define WAITFIRSTOPERAND 3
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#define WAITSINGLEOPERAND 4
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/*
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* node of query tree, also used
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@ -195,6 +205,14 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
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else if (*(state->buf) != ' ')
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return ERR;
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break;
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case WAITSINGLEOPERAND:
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if ( *(state->buf) == '\0' )
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return END;
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*strval = state->buf;
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*lenval = strlen( state->buf );
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state->buf += strlen( state->buf );
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state->count++;
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return VAL;
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default:
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return ERR;
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break;
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@ -582,7 +600,7 @@ findoprnd(ITEM * ptr, int4 *pos)
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* input
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*/
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static QUERYTYPE *
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queryin(char *buf, void (*pushval) (QPRS_STATE *, int, char *, int, int2), int cfg_id)
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queryin(char *buf, void (*pushval) (QPRS_STATE *, int, char *, int, int2), int cfg_id, bool isplain)
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{
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QPRS_STATE state;
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int4 i;
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@ -599,7 +617,7 @@ static QUERYTYPE *
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/* init state */
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state.buf = buf;
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state.state = WAITFIRSTOPERAND;
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state.state = (isplain) ? WAITSINGLEOPERAND : WAITFIRSTOPERAND;
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state.count = 0;
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state.num = 0;
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state.str = NULL;
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@ -679,7 +697,7 @@ Datum
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tsquery_in(PG_FUNCTION_ARGS)
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{
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SET_FUNCOID();
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PG_RETURN_POINTER(queryin((char *) PG_GETARG_POINTER(0), pushval_asis, 0));
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PG_RETURN_POINTER(queryin((char *) PG_GETARG_POINTER(0), pushval_asis, 0, false));
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}
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/*
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@ -910,7 +928,7 @@ to_tsquery(PG_FUNCTION_ARGS)
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str = text2char(in);
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PG_FREE_IF_COPY(in, 1);
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query = queryin(str, pushval_morph, PG_GETARG_INT32(0));
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query = queryin(str, pushval_morph, PG_GETARG_INT32(0),false);
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if ( query->size == 0 )
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PG_RETURN_POINTER(query);
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@ -950,3 +968,59 @@ to_tsquery_current(PG_FUNCTION_ARGS)
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Int32GetDatum(get_currcfg()),
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PG_GETARG_DATUM(0)));
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}
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Datum
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plainto_tsquery(PG_FUNCTION_ARGS)
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{
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text *in = PG_GETARG_TEXT_P(1);
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char *str;
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QUERYTYPE *query;
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ITEM *res;
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int4 len;
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SET_FUNCOID();
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str = text2char(in);
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PG_FREE_IF_COPY(in, 1);
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query = queryin(str, pushval_morph, PG_GETARG_INT32(0), true);
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if ( query->size == 0 )
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PG_RETURN_POINTER(query);
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res = clean_fakeval_v2(GETQUERY(query), &len);
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if (!res)
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{
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query->len = HDRSIZEQT;
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query->size = 0;
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PG_RETURN_POINTER(query);
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}
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memcpy((void *) GETQUERY(query), (void *) res, len * sizeof(ITEM));
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pfree(res);
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PG_RETURN_POINTER(query);
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}
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Datum
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plainto_tsquery_name(PG_FUNCTION_ARGS)
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{
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text *name = PG_GETARG_TEXT_P(0);
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Datum res;
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SET_FUNCOID();
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res = DirectFunctionCall2(plainto_tsquery,
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Int32GetDatum(name2id_cfg(name)),
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PG_GETARG_DATUM(1));
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PG_FREE_IF_COPY(name, 0);
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PG_RETURN_DATUM(res);
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}
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Datum
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plainto_tsquery_current(PG_FUNCTION_ARGS)
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{
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SET_FUNCOID();
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PG_RETURN_DATUM(DirectFunctionCall2(plainto_tsquery,
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Int32GetDatum(get_currcfg()),
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PG_GETARG_DATUM(0)));
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}
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|
|
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|
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@ -14,6 +14,117 @@ tsquery_numnode(PG_FUNCTION_ARGS) {
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PG_RETURN_INT32(nnode);
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}
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static QTNode*
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join_tsqueries(QUERYTYPE *a, QUERYTYPE *b) {
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QTNode *res=(QTNode*)palloc0( sizeof(QTNode) );
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res->flags |= QTN_NEEDFREE;
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res->valnode = (ITEM*)palloc0( sizeof(ITEM) );
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res->valnode->type = OPR;
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res->child = (QTNode**)palloc0( sizeof(QTNode*)*2 );
|
||||
res->child[0] = QT2QTN( GETQUERY(b), GETOPERAND(b) );
|
||||
res->child[1] = QT2QTN( GETQUERY(a), GETOPERAND(a) );
|
||||
res->nchild = 2;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
PG_FUNCTION_INFO_V1(tsquery_and);
|
||||
Datum tsquery_and(PG_FUNCTION_ARGS);
|
||||
|
||||
Datum
|
||||
tsquery_and(PG_FUNCTION_ARGS) {
|
||||
QUERYTYPE *a = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0)));
|
||||
QUERYTYPE *b = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1)));
|
||||
QTNode *res;
|
||||
QUERYTYPE *query;
|
||||
|
||||
if ( a->size == 0 ) {
|
||||
PG_FREE_IF_COPY(a,1);
|
||||
PG_RETURN_POINTER(b);
|
||||
} else if ( b->size == 0 ) {
|
||||
PG_FREE_IF_COPY(b,1);
|
||||
PG_RETURN_POINTER(a);
|
||||
}
|
||||
|
||||
res = join_tsqueries(a, b);
|
||||
|
||||
res->valnode->val = '&';
|
||||
|
||||
query = QTN2QT( res, PlainMemory );
|
||||
|
||||
QTNFree(res);
|
||||
PG_FREE_IF_COPY(a,0);
|
||||
PG_FREE_IF_COPY(b,1);
|
||||
|
||||
PG_RETURN_POINTER(query);
|
||||
}
|
||||
|
||||
PG_FUNCTION_INFO_V1(tsquery_or);
|
||||
Datum tsquery_or(PG_FUNCTION_ARGS);
|
||||
|
||||
Datum
|
||||
tsquery_or(PG_FUNCTION_ARGS) {
|
||||
QUERYTYPE *a = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0)));
|
||||
QUERYTYPE *b = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1)));
|
||||
QTNode *res;
|
||||
QUERYTYPE *query;
|
||||
|
||||
if ( a->size == 0 ) {
|
||||
PG_FREE_IF_COPY(a,1);
|
||||
PG_RETURN_POINTER(b);
|
||||
} else if ( b->size == 0 ) {
|
||||
PG_FREE_IF_COPY(b,1);
|
||||
PG_RETURN_POINTER(a);
|
||||
}
|
||||
|
||||
res = join_tsqueries(a, b);
|
||||
|
||||
res->valnode->val = '|';
|
||||
|
||||
query = QTN2QT( res, PlainMemory );
|
||||
|
||||
QTNFree(res);
|
||||
PG_FREE_IF_COPY(a,0);
|
||||
PG_FREE_IF_COPY(b,1);
|
||||
|
||||
PG_RETURN_POINTER(query);
|
||||
}
|
||||
|
||||
PG_FUNCTION_INFO_V1(tsquery_not);
|
||||
Datum tsquery_not(PG_FUNCTION_ARGS);
|
||||
|
||||
Datum
|
||||
tsquery_not(PG_FUNCTION_ARGS) {
|
||||
QUERYTYPE *a = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0)));
|
||||
QTNode *res;
|
||||
QUERYTYPE *query;
|
||||
|
||||
if ( a->size == 0 )
|
||||
PG_RETURN_POINTER(a);
|
||||
|
||||
res=(QTNode*)palloc0( sizeof(QTNode) );
|
||||
|
||||
res->flags |= QTN_NEEDFREE;
|
||||
|
||||
res->valnode = (ITEM*)palloc0( sizeof(ITEM) );
|
||||
res->valnode->type = OPR;
|
||||
res->valnode->val = '!';
|
||||
|
||||
res->child = (QTNode**)palloc0( sizeof(QTNode*) );
|
||||
res->child[0] = QT2QTN( GETQUERY(a), GETOPERAND(a) );
|
||||
res->nchild = 1;
|
||||
|
||||
query = QTN2QT( res, PlainMemory );
|
||||
|
||||
QTNFree(res);
|
||||
PG_FREE_IF_COPY(a,0);
|
||||
|
||||
PG_RETURN_POINTER(query);
|
||||
}
|
||||
|
||||
static int
|
||||
CompareTSQ( QUERYTYPE *a, QUERYTYPE *b ) {
|
||||
if ( a->size != b->size ) {
|
||||
|
|
|
|||
|
|
@ -173,6 +173,13 @@ select to_tsquery('default', 'asd&(and|fghj)');
|
|||
select to_tsquery('default', '(asd&and)|fghj');
|
||||
select to_tsquery('default', '(asd&!and)|fghj');
|
||||
select to_tsquery('default', '(the|and&(i&1))&fghj');
|
||||
|
||||
select plainto_tsquery('default', 'the and z 1))& fghj');
|
||||
select plainto_tsquery('default', 'foo bar') && plainto_tsquery('default', 'asd');
|
||||
select plainto_tsquery('default', 'foo bar') || plainto_tsquery('default', 'asd fg');
|
||||
select plainto_tsquery('default', 'foo bar') || !!plainto_tsquery('default', 'asd fg');
|
||||
select plainto_tsquery('default', 'foo bar') && 'asd | fg';
|
||||
|
||||
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca';
|
||||
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:B';
|
||||
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:A';
|
||||
|
|
|
|||
|
|
@ -0,0 +1,61 @@
|
|||
#include "ts_locale.h"
|
||||
|
||||
#include "utils/builtins.h"
|
||||
#include "utils/pg_locale.h"
|
||||
#include "mb/pg_wchar.h"
|
||||
|
||||
|
||||
#if defined(TS_USE_WIDE) && defined(WIN32)
|
||||
|
||||
size_t
|
||||
wchar2char( const char *to, const wchar_t *from, size_t len ) {
|
||||
if (GetDatabaseEncoding() == PG_UTF8) {
|
||||
int r;
|
||||
|
||||
if (len==0)
|
||||
return 0;
|
||||
|
||||
r = WideCharToMultiByte(CP_UTF8, 0, from, len, to, nbytes,
|
||||
NULL, NULL);
|
||||
|
||||
|
||||
if ( r==0 )
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
|
||||
errmsg("UTF-16 to UTF-8 translation failed: %lu",
|
||||
GetLastError())));
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
return wcstombs(to, from, len);
|
||||
}
|
||||
|
||||
size_t
|
||||
char2wchar( const wchar_t *to, const char *from, size_t len ) {
|
||||
if (GetDatabaseEncoding() == PG_UTF8) {
|
||||
int r;
|
||||
|
||||
if (len==0)
|
||||
return 0;
|
||||
|
||||
r = MultiByteToWideChar(CP_UTF8, 0, from, len,
|
||||
to, len);
|
||||
|
||||
if (!r) {
|
||||
pg_verifymbstr(from, len, false);
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
|
||||
errmsg("invalid multibyte character for locale"),
|
||||
errhint("The server's LC_CTYPE locale is probably incompatible with the database encoding.")));
|
||||
}
|
||||
|
||||
Assert(r <= nbytes);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
return mbstowcs(to, from, len);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
#ifndef __TSLOCALE_H__
|
||||
#define __TSLOCALE_H__
|
||||
|
||||
#include "postgres.h"
|
||||
|
||||
#include <ctype.h>
|
||||
#include <limits.h>
|
||||
|
||||
/*
|
||||
* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
|
||||
* declare them in <wchar.h>.
|
||||
*/
|
||||
#ifdef HAVE_WCHAR_H
|
||||
#include <wchar.h>
|
||||
#endif
|
||||
#ifdef HAVE_WCTYPE_H
|
||||
#include <wctype.h>
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER)
|
||||
#define TS_USE_WIDE
|
||||
|
||||
#ifdef WIN32
|
||||
|
||||
size_t wchar2char( const char *to, const wchar_t *from, size_t len );
|
||||
size_t char2wchar( const wchar_t *to, const char *from, size_t len );
|
||||
|
||||
#else /* WIN32 */
|
||||
|
||||
/* correct mbstowcs */
|
||||
#define char2wchar mbstowcs
|
||||
#define wchar2char wcstombs
|
||||
|
||||
#endif /* WIN32 */
|
||||
|
||||
#endif /* defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER) */
|
||||
|
||||
#endif /* __TSLOCALE_H__ */
|
||||
|
|
@ -427,6 +427,21 @@ RETURNS tsquery
|
|||
AS 'MODULE_PATHNAME','to_tsquery_current'
|
||||
LANGUAGE 'c' with (isstrict,iscachable);
|
||||
|
||||
CREATE FUNCTION plainto_tsquery(oid, text)
|
||||
RETURNS tsquery
|
||||
AS 'MODULE_PATHNAME'
|
||||
LANGUAGE 'c' with (isstrict,iscachable);
|
||||
|
||||
CREATE FUNCTION plainto_tsquery(text, text)
|
||||
RETURNS tsquery
|
||||
AS 'MODULE_PATHNAME','plainto_tsquery_name'
|
||||
LANGUAGE 'c' with (isstrict,iscachable);
|
||||
|
||||
CREATE FUNCTION plainto_tsquery(text)
|
||||
RETURNS tsquery
|
||||
AS 'MODULE_PATHNAME','plainto_tsquery_current'
|
||||
LANGUAGE 'c' with (isstrict,iscachable);
|
||||
|
||||
--operations
|
||||
CREATE FUNCTION exectsq(tsvector, tsquery)
|
||||
RETURNS bool
|
||||
|
|
@ -929,6 +944,47 @@ CREATE OR REPLACE FUNCTION numnode(tsquery)
|
|||
language 'C'
|
||||
with (isstrict,iscachable);
|
||||
|
||||
CREATE OR REPLACE FUNCTION tsquery_and(tsquery,tsquery)
|
||||
returns tsquery
|
||||
as 'MODULE_PATHNAME', 'tsquery_and'
|
||||
language 'C'
|
||||
with (isstrict,iscachable);
|
||||
|
||||
CREATE OPERATOR && (
|
||||
LEFTARG = tsquery,
|
||||
RIGHTARG = tsquery,
|
||||
PROCEDURE = tsquery_and,
|
||||
COMMUTATOR = '&&',
|
||||
RESTRICT = contsel,
|
||||
JOIN = contjoinsel
|
||||
);
|
||||
|
||||
CREATE OR REPLACE FUNCTION tsquery_or(tsquery,tsquery)
|
||||
returns tsquery
|
||||
as 'MODULE_PATHNAME', 'tsquery_or'
|
||||
language 'C'
|
||||
with (isstrict,iscachable);
|
||||
|
||||
CREATE OPERATOR || (
|
||||
LEFTARG = tsquery,
|
||||
RIGHTARG = tsquery,
|
||||
PROCEDURE = tsquery_or,
|
||||
COMMUTATOR = '||',
|
||||
RESTRICT = contsel,
|
||||
JOIN = contjoinsel
|
||||
);
|
||||
|
||||
CREATE OR REPLACE FUNCTION tsquery_not(tsquery)
|
||||
returns tsquery
|
||||
as 'MODULE_PATHNAME', 'tsquery_not'
|
||||
language 'C'
|
||||
with (isstrict,iscachable);
|
||||
|
||||
CREATE OPERATOR !! (
|
||||
RIGHTARG = tsquery,
|
||||
PROCEDURE = tsquery_not
|
||||
);
|
||||
|
||||
--------------rewrite subsystem
|
||||
|
||||
CREATE OR REPLACE FUNCTION rewrite(tsquery, text)
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
# $PostgreSQL: pgsql/contrib/tsearch2/wordparser/Makefile,v 1.8 2005/10/18 01:30:49 tgl Exp $
|
||||
# $PostgreSQL: pgsql/contrib/tsearch2/wordparser/Makefile,v 1.9 2005/11/21 12:27:57 teodor Exp $
|
||||
|
||||
SUBOBJS = parser.o deflex.o
|
||||
|
||||
EXTRA_CLEAN = SUBSYS.o $(SUBOBJS) parser.c
|
||||
EXTRA_CLEAN = SUBSYS.o $(SUBOBJS)
|
||||
|
||||
PG_CPPFLAGS = -I$(srcdir)/..
|
||||
|
||||
|
|
@ -20,13 +20,6 @@ override CFLAGS += $(CFLAGS_SL)
|
|||
|
||||
all: SUBSYS.o
|
||||
|
||||
parser.c: parser.l
|
||||
ifdef FLEX
|
||||
$(FLEX) $(FLEXFLAGS) -8 -Ptsearch2_yy -o'$@' $<
|
||||
else
|
||||
@$(missing) flex $< $@
|
||||
endif
|
||||
|
||||
SUBSYS.o: $(SUBOBJS)
|
||||
$(LD) $(LDREL) $(LDOUT) $@ $^
|
||||
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ const char *lex_descr[] = {
|
|||
"Latin part of hyphenated word",
|
||||
"Space symbols",
|
||||
"HTML Tag",
|
||||
"HTTP head",
|
||||
"Protocol head",
|
||||
"Hyphenated word",
|
||||
"Latin hyphenated word",
|
||||
"Non-latin hyphenated word",
|
||||
|
|
@ -42,7 +42,7 @@ const char *tok_alias[] = {
|
|||
"lpart_hword",
|
||||
"blank",
|
||||
"tag",
|
||||
"http",
|
||||
"protocol",
|
||||
"hword",
|
||||
"lhword",
|
||||
"nlhword",
|
||||
|
|
|
|||
|
|
@ -17,7 +17,7 @@
|
|||
#define LATPARTHYPHENWORD 11
|
||||
#define SPACE 12
|
||||
#define TAG 13
|
||||
#define HTTP 14
|
||||
#define PROTOCOL 14
|
||||
#define HYPHENWORD 15
|
||||
#define LATHYPHENWORD 16
|
||||
#define CYRHYPHENWORD 17
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
|
|
@ -1,10 +1,147 @@
|
|||
#ifndef __PARSER_H__
|
||||
#define __PARSER_H__
|
||||
|
||||
extern char *token;
|
||||
extern int tokenlen;
|
||||
int tsearch2_yylex(void);
|
||||
void tsearch2_start_parse_str(char *, int);
|
||||
void tsearch2_end_parse(void);
|
||||
#include <ctype.h>
|
||||
#include <limits.h>
|
||||
#include "ts_locale.h"
|
||||
|
||||
typedef enum {
|
||||
TPS_Base = 0,
|
||||
TPS_InUWord,
|
||||
TPS_InLatWord,
|
||||
TPS_InCyrWord,
|
||||
TPS_InUnsignedInt,
|
||||
TPS_InSignedIntFirst,
|
||||
TPS_InSignedInt,
|
||||
TPS_InSpace,
|
||||
TPS_InUDecimalFirst,
|
||||
TPS_InUDecimal,
|
||||
TPS_InDecimalFirst,
|
||||
TPS_InDecimal,
|
||||
TPS_InVersionFirst,
|
||||
TPS_InVersion,
|
||||
TPS_InMantissaFirst,
|
||||
TPS_InMantissaSign,
|
||||
TPS_InMantissa,
|
||||
TPS_InHTMLEntityFirst,
|
||||
TPS_InHTMLEntity,
|
||||
TPS_InHTMLEntityNumFirst,
|
||||
TPS_InHTMLEntityNum,
|
||||
TPS_InHTMLEntityEnd,
|
||||
TPS_InTagFirst,
|
||||
TPS_InTagCloseFirst,
|
||||
TPS_InTag,
|
||||
TPS_InTagEscapeK,
|
||||
TPS_InTagEscapeKK,
|
||||
TPS_InTagBackSleshed,
|
||||
TPS_InTagEnd,
|
||||
TPS_InCommentFirst,
|
||||
TPS_InCommentLast,
|
||||
TPS_InComment,
|
||||
TPS_InCloseCommentFirst,
|
||||
TPS_InCloseCommentLast,
|
||||
TPS_InCommentEnd,
|
||||
TPS_InHostFirstDomen,
|
||||
TPS_InHostDomenSecond,
|
||||
TPS_InHostDomen,
|
||||
TPS_InPortFirst,
|
||||
TPS_InPort,
|
||||
TPS_InHostFirstAN,
|
||||
TPS_InHost,
|
||||
TPS_InEmail,
|
||||
TPS_InFileFirst,
|
||||
TPS_InFile,
|
||||
TPS_InFileNext,
|
||||
TPS_InURIFirst,
|
||||
TPS_InURIStart,
|
||||
TPS_InURI,
|
||||
TPS_InFURL,
|
||||
TPS_InProtocolFirst,
|
||||
TPS_InProtocolSecond,
|
||||
TPS_InProtocolEnd,
|
||||
TPS_InHyphenLatWordFirst,
|
||||
TPS_InHyphenLatWord,
|
||||
TPS_InHyphenCyrWordFirst,
|
||||
TPS_InHyphenCyrWord,
|
||||
TPS_InHyphenUWordFirst,
|
||||
TPS_InHyphenUWord,
|
||||
TPS_InHyphenValueFirst,
|
||||
TPS_InHyphenValue,
|
||||
TPS_InHyphenValueExact,
|
||||
TPS_InParseHyphen,
|
||||
TPS_InParseHyphenHyphen,
|
||||
TPS_InHyphenCyrWordPart,
|
||||
TPS_InHyphenLatWordPart,
|
||||
TPS_InHyphenUWordPart,
|
||||
TPS_InHyphenUnsignedInt,
|
||||
TPS_InHDecimalPartFirst,
|
||||
TPS_InHDecimalPart,
|
||||
TPS_InHVersionPartFirst,
|
||||
TPS_InHVersionPart,
|
||||
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;
|
||||
|
||||
typedef struct {
|
||||
TParserState state;
|
||||
TParserStateActionItem *action;
|
||||
} TParserStateAction;
|
||||
|
||||
typedef struct TParserPosition {
|
||||
int posbyte; /* position of parser in bytes */
|
||||
int poschar; /* osition of parser in characters */
|
||||
int charlen; /* length of current char */
|
||||
int lenbytelexeme;
|
||||
int lencharlexeme;
|
||||
TParserState state;
|
||||
struct TParserPosition *prev;
|
||||
int flags;
|
||||
TParserStateActionItem *pushedAtAction;
|
||||
} TParserPosition;
|
||||
|
||||
typedef struct TParser {
|
||||
/* string and position information */
|
||||
char *str; /* multibyte string */
|
||||
int lenstr; /* length of mbstring */
|
||||
wchar_t *wstr; /* wide character string */
|
||||
int lenwstr; /* length of wsting */
|
||||
|
||||
/* State of parse */
|
||||
int charmaxlen;
|
||||
bool usewide;
|
||||
TParserPosition *state;
|
||||
bool ignore;
|
||||
bool wanthost;
|
||||
|
||||
/* silly char */
|
||||
char c;
|
||||
|
||||
/* out */
|
||||
char *lexeme;
|
||||
int lenbytelexeme;
|
||||
int lencharlexeme;
|
||||
int type;
|
||||
|
||||
} TParser;
|
||||
|
||||
|
||||
TParser* TParserInit( char *, int );
|
||||
bool TParserGet( TParser* );
|
||||
void TParserClose( TParser* );
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,346 +0,0 @@
|
|||
%{
|
||||
#include "postgres.h"
|
||||
|
||||
#include "deflex.h"
|
||||
#include "parser.h"
|
||||
#include "common.h"
|
||||
|
||||
/* Avoid exit() on fatal scanner errors */
|
||||
#undef fprintf
|
||||
#define fprintf(file, fmt, msg) ts_error(ERROR, fmt, msg)
|
||||
|
||||
char *token = NULL; /* pointer to token */
|
||||
int tokenlen;
|
||||
static char *s = NULL; /* to return WHOLE hyphenated-word */
|
||||
|
||||
YY_BUFFER_STATE buf = NULL; /* buffer to parse; it need for parse from string */
|
||||
|
||||
typedef struct {
|
||||
int tlen;
|
||||
int clen;
|
||||
char *str;
|
||||
} TagStorage;
|
||||
|
||||
static TagStorage ts={0,0,NULL};
|
||||
|
||||
static void
|
||||
addTag(void)
|
||||
{
|
||||
while( ts.clen+tsearch2_yyleng+1 > ts.tlen ) {
|
||||
ts.tlen*=2;
|
||||
ts.str=realloc(ts.str,ts.tlen);
|
||||
if (!ts.str)
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_OUT_OF_MEMORY),
|
||||
errmsg("out of memory")));
|
||||
}
|
||||
memcpy(ts.str+ts.clen,tsearch2_yytext,tsearch2_yyleng);
|
||||
ts.clen+=tsearch2_yyleng;
|
||||
ts.str[ts.clen]='\0';
|
||||
}
|
||||
|
||||
static void
|
||||
startTag(void)
|
||||
{
|
||||
if ( ts.str==NULL ) {
|
||||
ts.tlen=tsearch2_yyleng+1;
|
||||
ts.str=malloc(ts.tlen);
|
||||
if (!ts.str)
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_OUT_OF_MEMORY),
|
||||
errmsg("out of memory")));
|
||||
}
|
||||
ts.clen=0;
|
||||
ts.str[0]='\0';
|
||||
addTag();
|
||||
}
|
||||
|
||||
%}
|
||||
|
||||
%option 8bit
|
||||
%option never-interactive
|
||||
%option nodefault
|
||||
%option nounput
|
||||
%option noyywrap
|
||||
|
||||
/* parser's state for parsing hyphenated-word */
|
||||
%x DELIM
|
||||
/* parser's state for parsing URL*/
|
||||
%x URL
|
||||
%x SERVER
|
||||
|
||||
/* parser's state for parsing TAGS */
|
||||
%x INTAG
|
||||
%x QINTAG
|
||||
%x INCOMMENT
|
||||
%x INSCRIPT
|
||||
|
||||
/* cyrillic koi8 char */
|
||||
CYRALNUM [0-9\200-\377]
|
||||
CYRALPHA [\200-\377]
|
||||
ALPHA [a-zA-Z\200-\377]
|
||||
ALNUM [0-9a-zA-Z\200-\377]
|
||||
|
||||
|
||||
HOSTNAME ([-_[:alnum:]]+\.)+[[:alpha:]]+
|
||||
URI [-_[:alnum:]/%,\.;=&?#]+
|
||||
|
||||
%%
|
||||
|
||||
"<"[Ss][Cc][Rr][Ii][Pp][Tt] { BEGIN INSCRIPT; startTag(); }
|
||||
|
||||
<INSCRIPT>"</"[Ss][Cc][Rr][Ii][Pp][Tt]">" {
|
||||
BEGIN INITIAL;
|
||||
addTag();
|
||||
token = ts.str;
|
||||
tokenlen = ts.clen;
|
||||
return TAG;
|
||||
}
|
||||
|
||||
"<!--" { BEGIN INCOMMENT; startTag(); }
|
||||
|
||||
<INCOMMENT>"-->" {
|
||||
BEGIN INITIAL;
|
||||
addTag();
|
||||
token = ts.str;
|
||||
tokenlen = ts.clen;
|
||||
return TAG;
|
||||
}
|
||||
|
||||
|
||||
"<"[\![:alpha:]] { BEGIN INTAG; startTag(); }
|
||||
|
||||
"</"[[:alpha:]] { BEGIN INTAG; startTag(); }
|
||||
|
||||
<INTAG>"\"" { BEGIN QINTAG; addTag(); }
|
||||
|
||||
<QINTAG>"\\\"" { addTag(); }
|
||||
|
||||
<QINTAG>"\"" { BEGIN INTAG; addTag(); }
|
||||
|
||||
<INTAG>">" {
|
||||
BEGIN INITIAL;
|
||||
addTag();
|
||||
token = ts.str;
|
||||
tokenlen = ts.clen;
|
||||
return TAG;
|
||||
}
|
||||
|
||||
<QINTAG,INTAG,INCOMMENT,INSCRIPT>.|\n { addTag(); }
|
||||
|
||||
\&(quot|amp|nbsp|lt|gt)\; {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return HTMLENTITY;
|
||||
}
|
||||
|
||||
\&\#[0-9][0-9]?[0-9]?\; {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return HTMLENTITY;
|
||||
}
|
||||
|
||||
[-_\.[:alnum:]]+@{HOSTNAME} /* Emails */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return EMAIL;
|
||||
}
|
||||
|
||||
[+-]?[0-9]+(\.[0-9]+)?[eEdD][+-]?[0-9]+ /* float */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return SCIENTIFIC;
|
||||
}
|
||||
|
||||
[0-9]+\.[0-9]+\.[0-9\.]*[0-9] {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return VERSIONNUMBER;
|
||||
}
|
||||
|
||||
[+-]?[0-9]+\.[0-9]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return DECIMAL;
|
||||
}
|
||||
|
||||
[+-][0-9]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return SIGNEDINT;
|
||||
}
|
||||
|
||||
<DELIM,INITIAL>[0-9]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return UNSIGNEDINT;
|
||||
}
|
||||
|
||||
http"://" {
|
||||
BEGIN URL;
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return HTTP;
|
||||
}
|
||||
|
||||
ftp"://" {
|
||||
BEGIN URL;
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return HTTP;
|
||||
}
|
||||
|
||||
<URL,INITIAL>{HOSTNAME}[/:]{URI} {
|
||||
BEGIN SERVER;
|
||||
if (s) { free(s); s=NULL; }
|
||||
s = strdup( tsearch2_yytext );
|
||||
tokenlen = tsearch2_yyleng;
|
||||
yyless( 0 );
|
||||
token = s;
|
||||
return FURL;
|
||||
}
|
||||
|
||||
<SERVER,URL,INITIAL>{HOSTNAME} {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return HOST;
|
||||
}
|
||||
|
||||
<SERVER>[/:]{URI} {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return URI;
|
||||
}
|
||||
|
||||
[[:alnum:]\./_-]+"/"[[:alnum:]\./_-]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return FILEPATH;
|
||||
}
|
||||
|
||||
({CYRALPHA}+-)+{CYRALPHA}+ /* composite-word */ {
|
||||
BEGIN DELIM;
|
||||
if (s) { free(s); s=NULL; }
|
||||
s = strdup( tsearch2_yytext );
|
||||
tokenlen = tsearch2_yyleng;
|
||||
yyless( 0 );
|
||||
token = s;
|
||||
return CYRHYPHENWORD;
|
||||
}
|
||||
|
||||
([[:alpha:]]+-)+[[:alpha:]]+ /* composite-word */ {
|
||||
BEGIN DELIM;
|
||||
if (s) { free(s); s=NULL; }
|
||||
s = strdup( tsearch2_yytext );
|
||||
tokenlen = tsearch2_yyleng;
|
||||
yyless( 0 );
|
||||
token = s;
|
||||
return LATHYPHENWORD;
|
||||
}
|
||||
|
||||
({ALNUM}+-)+{ALNUM}+ /* composite-word */ {
|
||||
BEGIN DELIM;
|
||||
if (s) { free(s); s=NULL; }
|
||||
s = strdup( tsearch2_yytext );
|
||||
tokenlen = tsearch2_yyleng;
|
||||
yyless( 0 );
|
||||
token = s;
|
||||
return HYPHENWORD;
|
||||
}
|
||||
|
||||
<DELIM>[0-9]+\.[0-9]+\.[0-9\.]*[0-9] {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return VERSIONNUMBER;
|
||||
}
|
||||
|
||||
<DELIM>\+?[0-9]+\.[0-9]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return DECIMAL;
|
||||
}
|
||||
|
||||
<DELIM>{CYRALPHA}+ /* one word in composite-word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return CYRPARTHYPHENWORD;
|
||||
}
|
||||
|
||||
<DELIM>[[:alpha:]]+ /* one word in composite-word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return LATPARTHYPHENWORD;
|
||||
}
|
||||
|
||||
<DELIM>{ALNUM}+ /* one word in composite-word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return PARTHYPHENWORD;
|
||||
}
|
||||
|
||||
<DELIM>- {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return SPACE;
|
||||
}
|
||||
|
||||
<DELIM,SERVER,URL>.|\n /* return in basic state */ {
|
||||
BEGIN INITIAL;
|
||||
yyless( 0 );
|
||||
}
|
||||
|
||||
{CYRALPHA}+ /* normal word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return CYRWORD;
|
||||
}
|
||||
|
||||
[[:alpha:]]+ /* normal word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return LATWORD;
|
||||
}
|
||||
|
||||
{ALNUM}+ /* normal word */ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return UWORD;
|
||||
}
|
||||
|
||||
[ \r\n\t]+ {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return SPACE;
|
||||
}
|
||||
|
||||
. {
|
||||
token = tsearch2_yytext;
|
||||
tokenlen = tsearch2_yyleng;
|
||||
return SPACE;
|
||||
}
|
||||
|
||||
%%
|
||||
|
||||
/* clearing after parsing from string */
|
||||
void
|
||||
tsearch2_end_parse(void)
|
||||
{
|
||||
if (s)
|
||||
{
|
||||
free(s);
|
||||
s = NULL;
|
||||
}
|
||||
tsearch2_yy_delete_buffer( buf );
|
||||
buf = NULL;
|
||||
}
|
||||
|
||||
/* start parse from string */
|
||||
void
|
||||
tsearch2_start_parse_str(char* str, int limit)
|
||||
{
|
||||
if (buf)
|
||||
tsearch2_end_parse();
|
||||
buf = tsearch2_yy_scan_bytes( str, limit );
|
||||
tsearch2_yy_switch_to_buffer( buf );
|
||||
BEGIN INITIAL;
|
||||
}
|
||||
|
|
@ -39,8 +39,7 @@ Datum prsd_start(PG_FUNCTION_ARGS);
|
|||
Datum
|
||||
prsd_start(PG_FUNCTION_ARGS)
|
||||
{
|
||||
tsearch2_start_parse_str((char *) PG_GETARG_POINTER(0), PG_GETARG_INT32(1));
|
||||
PG_RETURN_POINTER(NULL);
|
||||
PG_RETURN_POINTER(TParserInit( (char *) PG_GETARG_POINTER(0), PG_GETARG_INT32(1)));
|
||||
}
|
||||
|
||||
PG_FUNCTION_INFO_V1(prsd_getlexeme);
|
||||
|
|
@ -48,14 +47,17 @@ Datum prsd_getlexeme(PG_FUNCTION_ARGS);
|
|||
Datum
|
||||
prsd_getlexeme(PG_FUNCTION_ARGS)
|
||||
{
|
||||
/* ParserState *p=(ParserState*)PG_GETARG_POINTER(0); */
|
||||
TParser *p=(TParser*)PG_GETARG_POINTER(0);
|
||||
char **t = (char **) PG_GETARG_POINTER(1);
|
||||
int *tlen = (int *) PG_GETARG_POINTER(2);
|
||||
int type = tsearch2_yylex();
|
||||
|
||||
*t = token;
|
||||
*tlen = tokenlen;
|
||||
PG_RETURN_INT32(type);
|
||||
if ( !TParserGet(p) )
|
||||
PG_RETURN_INT32(0);
|
||||
|
||||
*t = p->lexeme;
|
||||
*tlen = p->lenbytelexeme;
|
||||
|
||||
PG_RETURN_INT32(p->type);
|
||||
}
|
||||
|
||||
PG_FUNCTION_INFO_V1(prsd_end);
|
||||
|
|
@ -63,8 +65,8 @@ Datum prsd_end(PG_FUNCTION_ARGS);
|
|||
Datum
|
||||
prsd_end(PG_FUNCTION_ARGS)
|
||||
{
|
||||
/* ParserState *p=(ParserState*)PG_GETARG_POINTER(0); */
|
||||
tsearch2_end_parse();
|
||||
TParser *p=(TParser*)PG_GETARG_POINTER(0);
|
||||
TParserClose(p);
|
||||
PG_RETURN_VOID();
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue