4 * Copyright 2010 Adam Martinson for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
29 #include "xslpattern.h"
30 #include "xslpattern.tab.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
35 #define SCAN xslpattern_get_extra(yyscanner)
37 #define YY_INPUT(tok_buf, tok_len, max) \
39 if (SCAN->pos <= SCAN->len) \
41 tok_len = SCAN->len - SCAN->pos; \
42 if (tok_len > max) tok_len = max; \
43 memcpy(tok_buf, SCAN->in + SCAN->pos, tok_len); \
44 SCAN->pos += tok_len; \
52 #define TOK(tok) TRACE("token: %s : %s\n", #tok, yytext); return tok
53 #define OP(tok) *yylval=NULL; TOK(tok)
54 #define SYM(tok) *yylval=NULL; TOK(tok)
55 #define STR(tok) *yylval=xmlStrdup(BAD_CAST yytext); TOK(tok)
60 %option reentrant bison-bridge
62 %option prefix="xslpattern_"
63 %option noinput nounput
65 /* From the w3c XML standard
66 * <http://www.w3.org/TR/REC-xml/> */
68 /* [2.3] Common Syntactic Constructs */
71 NCNameStartChar ([A-Za-z_]|[\xc0-\xd6\xd8-\xf6\xf8-\xff])
73 NameCharEx ([0-9]|[-._\xb7])
75 NCNameChar ({NCNameStartChar}|{NameCharEx})
77 /* From the w3c XML Namespace standard
78 * <http://www.w3.org/TR/REC-xml-names/> */
80 /* [3] Declaring Namespaces*/
81 NCName ({NCNameStartChar}{NCNameChar}*)
83 /* Mostly verbatim from the w3c XPath standard.
84 * <http://www.w3.org/TR/xpath/> */
88 * ||, &&, $foo$ are XSLPattern only */
90 OP_Or ("or"|"||"|"$or$")
91 OP_And ("and"|"&&"|"$and$")
108 /* [3.7] Lexical Structure */
109 Literal (([\x22]([^\x22]*)[\x22])|([\x27]([^\x27]*)[\x27]))
110 Number ({Digits}("."{Digits}?)?|"."{Digits})
117 {WSpace}+ { /* ignored */ }
118 {Literal} { STR(TOK_Literal); }
119 "//" { SYM(TOK_DblFSlash); }
120 "/" { SYM(TOK_FSlash); }
121 ".." { SYM(TOK_Parent); }
122 "." { SYM(TOK_Self); }
123 "::" { SYM(TOK_Axis); }
124 ":" { SYM(TOK_Colon); }
132 {OP_And} { OP(TOK_OpAnd); }
133 {OP_Or} { OP(TOK_OpOr); }
134 {OP_Not} { OP(TOK_OpNot); }
135 {OP_Eq} { OP(TOK_OpEq); }
136 {OP_IEq} { OP(TOK_OpIEq); }
137 {OP_NEq} { OP(TOK_OpNEq); }
138 {OP_INEq} { OP(TOK_OpINEq); }
139 {OP_Lt} { OP(TOK_OpLt); }
140 {OP_ILt} { OP(TOK_OpILt); }
141 {OP_Gt} { OP(TOK_OpGt); }
142 {OP_IGt} { OP(TOK_OpIGt); }
143 {OP_LEq} { OP(TOK_OpLEq); }
144 {OP_ILEq} { OP(TOK_OpILEq); }
145 {OP_GEq} { OP(TOK_OpGEq); }
146 {OP_IGEq} { OP(TOK_OpIGEq); }
147 {OP_All} { OP(TOK_OpAll); }
148 {OP_Any} { OP(TOK_OpAny); }
151 {NCName} { STR(TOK_NCName); }
152 {Number} { STR(TOK_Number); }
153 {ANY} { FIXME("Unexpected character '%s'.\n",yytext); }
157 xmlChar* XSLPattern_to_XPath(xmlXPathContextPtr ctxt, xmlChar const* xslpat_str)
160 TRACE("(%s)\n", wine_dbgstr_a((char const*)xslpat_str));
161 memset(&p, 0, sizeof(parser_param));
164 p.len = xmlStrlen(xslpat_str);
166 xslpattern_lex_init(&p.yyscanner);
167 xslpattern_set_extra(&p, p.yyscanner);
169 xslpattern_parse(&p, p.yyscanner);
171 TRACE("=> %s\n", wine_dbgstr_a((char const*)p.out));
172 xslpattern_lex_destroy(p.yyscanner);
177 return xmlStrdup(xslpat_str);
186 #endif /* HAVE_LIBXML2 */