X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fcql.y;h=c3f4657e9881d0912144ab3e538a4a8d9707bb99;hp=69583064a692e74cb173c02a557866f9647f019a;hb=3178894be28922a17125e31feff1010fcecc3128;hpb=d0e351c12fff564d876958e860338d43716dc269 diff --git a/src/cql.y b/src/cql.y index 6958306..c3f4657 100644 --- a/src/cql.y +++ b/src/cql.y @@ -1,5 +1,5 @@ /* This file is part of the YAZ toolkit. - * Copyright (C) 1995-2008 Index Data + * Copyright (C) 1995-2012 Index Data * See the file LICENSE for details. */ /* bison parser for CQL grammar. */ @@ -17,7 +17,7 @@ #include #include #include -#include +#include #include #include #include @@ -56,7 +56,7 @@ %} %pure_parser -%token DOTTERM TERM AND OR NOT PROX GE LE NE EXACT SORTBY +%token PREFIX_NAME SIMPLE_STRING AND OR NOT PROX GE LE NE EXACT SORTBY %% @@ -66,17 +66,35 @@ top: { ((CQL_parser) parm)->top = 0; } cqlQuery1 sortby { cql_node_destroy($$.rel); - ((CQL_parser) parm)->top = $2.cql; + if ($3.cql) + { + $3.cql->u.sort.search = $2.cql; + ((CQL_parser) parm)->top = $3.cql; + } else { + ((CQL_parser) parm)->top = $2.cql; + } } ; sortby: /* empty */ -| SORTBY sortSpec; - -sortSpec: sortSpec singleSpec -| singleSpec; + { $$.cql = 0; } +| SORTBY sortSpec { + $$.cql = $2.cql; + }; + +sortSpec: sortSpec singleSpec { + $$.cql = $1.cql; + $$.cql->u.sort.next = $2.cql; + } +| singleSpec +{ + $$.cql = $1.cql; +}; -singleSpec: index modifiers ; +singleSpec: index modifiers { + $$.cql = cql_node_mk_sort(((CQL_parser) parm)->nmem, $1.buf, $2.cql); + } +; cqlQuery1: cqlQuery | cqlQuery error { @@ -144,10 +162,10 @@ searchTerm extraTerms { ; extraTerms: -extraTerms TERM { +SIMPLE_STRING extraTerms { struct cql_node *st = cql_node_mk_sc(((CQL_parser) parm)->nmem, - /* index */ 0, /* rel */ 0, $2.buf); - st->u.st.extra_terms = $1.cql; + /* index */ 0, /* rel */ 0, $1.buf); + st->u.st.extra_terms = $2.cql; $$.cql = st; } | @@ -155,7 +173,7 @@ extraTerms TERM { ; -/* unary NOT search TERM here .. */ +/* unary NOT search SIMPLE_STRING here .. */ boolean: AND | OR | NOT | PROX ; @@ -169,7 +187,7 @@ modifiers: modifiers '/' searchTerm $$.cql = mod; } | -modifiers '/' searchTerm mrelation searchTerm +modifiers '/' searchTerm relation_symbol searchTerm { struct cql_node *mod = cql_node_mk_sc(((CQL_parser)parm)->nmem, $3.buf, $4.buf, $5.buf); @@ -183,17 +201,9 @@ modifiers '/' searchTerm mrelation searchTerm } ; -mrelation: - '=' -| '>' -| '<' -| GE -| LE -| NE -| EXACT -; +relation: PREFIX_NAME | relation_symbol; -relation: +relation_symbol: '=' | '>' | '<' @@ -201,15 +211,14 @@ relation: | LE | NE | EXACT -| DOTTERM ; index: searchTerm; searchTerm: - TERM -| DOTTERM + SIMPLE_STRING +| PREFIX_NAME | AND | OR | NOT @@ -236,7 +245,7 @@ static void putb(YYSTYPE *lval, CQL_parser cp, int c) { char *nb = (char *) nmem_malloc(cp->nmem, (lval->size = lval->len * 2 + 20)); - memcpy (nb, lval->buf, lval->len); + memcpy(nb, lval->buf, lval->len); lval->buf = nb; } if (c) @@ -266,7 +275,7 @@ int yylex(YYSTYPE *lval, void *vp) return 0; if (c == '\n') return 0; - } while (isspace(c)); + } while (yaz_isspace(c)); if (strchr("()=>buf, "any")) relation_like = 1; + if (!cql_strcmp(lval->buf, "adj")) + relation_like = 1; if (relation_like) - return DOTTERM; + return PREFIX_NAME; } - return TERM; + return SIMPLE_STRING; } @@ -395,8 +406,7 @@ int cql_parser_stream(CQL_parser cp, cp->getbyte = getbyte; cp->ungetbyte = ungetbyte; cp->client_data = client_data; - if (cp->top) - cql_node_destroy(cp->top); + cql_node_destroy(cp->top); cql_parse(cp); if (cp->top) return 0; @@ -405,7 +415,7 @@ int cql_parser_stream(CQL_parser cp, CQL_parser cql_parser_create(void) { - CQL_parser cp = (CQL_parser) xmalloc (sizeof(*cp)); + CQL_parser cp = (CQL_parser) xmalloc(sizeof(*cp)); cp->top = 0; cp->getbyte = 0; @@ -428,3 +438,12 @@ struct cql_node *cql_parser_result(CQL_parser cp) { return cp->top; } + +/* + * Local variables: + * c-basic-offset: 4 + * c-file-style: "Stroustrup" + * indent-tabs-mode: nil + * End: + * vim: shiftwidth=4 tabstop=8 expandtab + */