diff options
author | unknown <lars/lthalmann@dl145h.mysql.com> | 2007-02-24 11:52:08 +0100 |
---|---|---|
committer | unknown <lars/lthalmann@dl145h.mysql.com> | 2007-02-24 11:52:08 +0100 |
commit | 2a86b8ecfc0e93853b9a31c8c818048f8a153137 (patch) | |
tree | 74216a789ffa49f90ad3de222b70c50b2477b271 /sql/item_xmlfunc.cc | |
parent | 61587c18639f4dfeb4e30e490c8b7785341c1eb5 (diff) | |
parent | 6f6951d21867a2d71de414d21becf55feb3792b1 (diff) | |
download | mariadb-git-2a86b8ecfc0e93853b9a31c8c818048f8a153137.tar.gz |
Merge mysql.com:/nfsdisk1/lars/bkroot/mysql-5.1-new-rpl
into mysql.com:/nfsdisk1/lars/MERGE/mysql-5.1-merge
client/mysqlbinlog.cc:
Auto merged
include/my_global.h:
Auto merged
mysql-test/extra/rpl_tests/rpl_insert_id.test:
Auto merged
mysql-test/t/show_check.test:
Auto merged
mysys/mf_iocache2.c:
Auto merged
sql/field.cc:
Auto merged
sql/item_xmlfunc.cc:
Auto merged
sql/log_event.cc:
Auto merged
sql/log_event.h:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/mysqld.cc:
Auto merged
sql/slave.cc:
Auto merged
sql/slave.h:
Auto merged
sql/sql_show.cc:
Auto merged
mysql-test/t/disabled.def:
Manual merge
sql/log.cc:
Manual merge
sql/sql_insert.cc:
Manual merge
Diffstat (limited to 'sql/item_xmlfunc.cc')
-rw-r--r-- | sql/item_xmlfunc.cc | 92 |
1 files changed, 76 insertions, 16 deletions
diff --git a/sql/item_xmlfunc.cc b/sql/item_xmlfunc.cc index 9321992e566..26474990644 100644 --- a/sql/item_xmlfunc.cc +++ b/sql/item_xmlfunc.cc @@ -1044,12 +1044,12 @@ static struct my_xpath_keyword_names_st my_keyword_names[] = {MY_XPATH_LEX_OR , "or" , 2, 0 }, {MY_XPATH_LEX_DIV , "div" , 3, 0 }, {MY_XPATH_LEX_MOD , "mod" , 3, 0 }, - - {MY_XPATH_LEX_NODETYPE, "comment" , 7, 0 }, - {MY_XPATH_LEX_NODETYPE, "text" , 4, 0 }, - {MY_XPATH_LEX_NODETYPE, "processing-instruction" , 22,0 }, - {MY_XPATH_LEX_NODETYPE, "node" , 4, 0 }, - + {0,NULL,0,0} +}; + + +static struct my_xpath_keyword_names_st my_axis_names[]= +{ {MY_XPATH_LEX_AXIS,"ancestor" , 8,MY_XPATH_AXIS_ANCESTOR }, {MY_XPATH_LEX_AXIS,"ancestor-or-self" ,16,MY_XPATH_AXIS_ANCESTOR_OR_SELF }, {MY_XPATH_LEX_AXIS,"attribute" , 9,MY_XPATH_AXIS_ATTRIBUTE }, @@ -1063,7 +1063,16 @@ static struct my_xpath_keyword_names_st my_keyword_names[] = {MY_XPATH_LEX_AXIS,"preceding" , 9,MY_XPATH_AXIS_PRECEDING }, {MY_XPATH_LEX_AXIS,"preceding-sibling" ,17,MY_XPATH_AXIS_PRECEDING_SIBLING }, {MY_XPATH_LEX_AXIS,"self" , 4,MY_XPATH_AXIS_SELF }, + {0,NULL,0,0} +}; + +static struct my_xpath_keyword_names_st my_nodetype_names[]= +{ + {MY_XPATH_LEX_NODETYPE, "comment" , 7, 0 }, + {MY_XPATH_LEX_NODETYPE, "text" , 4, 0 }, + {MY_XPATH_LEX_NODETYPE, "processing-instruction" , 22,0 }, + {MY_XPATH_LEX_NODETYPE, "node" , 4, 0 }, {0,NULL,0,0} }; @@ -1078,11 +1087,14 @@ static struct my_xpath_keyword_names_st my_keyword_names[] = - Token type, on lookup success. - MY_XPATH_LEX_IDENT, on lookup failure. */ -static int my_xpath_keyword(MY_XPATH *x, const char *beg, const char *end) +static int +my_xpath_keyword(MY_XPATH *x, + struct my_xpath_keyword_names_st *keyword_names, + const char *beg, const char *end) { struct my_xpath_keyword_names_st *k; size_t length= end-beg; - for (k= my_keyword_names; k->name; k++) + for (k= keyword_names; k->name; k++) { if (length == k->length && !strncasecmp(beg, k->name, length)) { @@ -1368,15 +1380,32 @@ my_xpath_lex_scan(MY_XPATH *xpath, beg+= length) /* no op */; lex->end= beg; - // check if a function call - if (*beg == '(' && (xpath->func= my_xpath_function(lex->beg, beg))) + if (beg < end) { - lex->term= MY_XPATH_LEX_FUNC; - return; + if (*beg == '(') + { + /* + check if a function call, e.g.: count(/a/b) + or a nodetype test, e.g.: /a/b/text() + */ + if ((xpath->func= my_xpath_function(lex->beg, beg))) + lex->term= MY_XPATH_LEX_FUNC; + else + lex->term= my_xpath_keyword(xpath, my_nodetype_names, + lex->beg, beg); + return; + } + // check if an axis specifier, e.g.: /a/b/child::* + else if (*beg == ':' && beg + 1 < end && beg[1] == ':') + { + lex->term= my_xpath_keyword(xpath, my_axis_names, + lex->beg, beg); + return; + } } - // check if a keyword - lex->term= my_xpath_keyword(xpath, lex->beg, beg); + lex->term= my_xpath_keyword(xpath, my_keyword_names, + lex->beg, beg); return; } @@ -2329,6 +2358,36 @@ static int my_xpath_parse_Number(MY_XPATH *xpath) /* + Scan NCName. + + SYNOPSYS + + The keywords AND, OR, MOD, DIV are valid identitiers + when they are in identifier context: + + SELECT + ExtractValue('<and><or><mod><div>VALUE</div></mod></or></and>', + '/and/or/mod/div') + -> VALUE + + RETURN + 1 - success + 0 - failure +*/ + +static int +my_xpath_parse_NCName(MY_XPATH *xpath) +{ + return + my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT) || + my_xpath_parse_term(xpath, MY_XPATH_LEX_AND) || + my_xpath_parse_term(xpath, MY_XPATH_LEX_OR) || + my_xpath_parse_term(xpath, MY_XPATH_LEX_MOD) || + my_xpath_parse_term(xpath, MY_XPATH_LEX_DIV) ? 1 : 0; +} + + +/* QName grammar can be found in a separate document http://www.w3.org/TR/REC-xml-names/#NT-QName @@ -2336,16 +2395,17 @@ static int my_xpath_parse_Number(MY_XPATH *xpath) [7] Prefix ::= NCName [8] LocalPart ::= NCName */ + static int my_xpath_parse_QName(MY_XPATH *xpath) { const char *beg; - if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT)) + if (!my_xpath_parse_NCName(xpath)) return 0; beg= xpath->prevtok.beg; if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_COLON)) return 1; /* Non qualified name */ - if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT)) + if (!my_xpath_parse_NCName(xpath)) return 0; xpath->prevtok.beg= beg; return 1; |