YAZ  5.23.1
cqlstring.c
Go to the documentation of this file.
1 /* This file is part of the YAZ toolkit.
2  * Copyright (C) Index Data
3  * See the file LICENSE for details.
4  */
9 #if HAVE_CONFIG_H
10 #include <config.h>
11 #endif
12 
13 #include <yaz/cql.h>
14 
15 struct cql_buf_info {
16  const char *str;
17  int off;
18 };
19 
20 static int getbuf(void *vp)
21 {
22  struct cql_buf_info *bi = (struct cql_buf_info *) vp;
23  if (bi->str[bi->off] == 0)
24  return 0;
25  return bi->str[bi->off++];
26 }
27 
28 static void ungetbuf(int b, void *vp)
29 {
30  struct cql_buf_info *bi = (struct cql_buf_info *) vp;
31  if (b)
32  (bi->off--);
33 }
34 
35 int cql_parser_string(CQL_parser cp, const char *str)
36 {
37  struct cql_buf_info b;
38 
39  b.str = str;
40  b.off = 0;
41 
42  return cql_parser_stream(cp, getbuf, ungetbuf, &b);
43 }
44 
45 /*
46  * Local variables:
47  * c-basic-offset: 4
48  * c-file-style: "Stroustrup"
49  * indent-tabs-mode: nil
50  * End:
51  * vim: shiftwidth=4 tabstop=8 expandtab
52  */
53 
Header with public definitions about CQL.
int cql_parser_stream(CQL_parser cp, int(*getbyte)(void *client_data), void(*ungetbyte)(int b, void *client_data), void *client_data)
parses CQL query (query stream)
Definition: cql.c:1955
static int getbuf(void *vp)
Definition: cqlstring.c:20
int cql_parser_string(CQL_parser cp, const char *str)
parses a CQL query (string)
Definition: cqlstring.c:35
const char * str
Definition: cqlstring.c:16
static void ungetbuf(int b, void *vp)
Definition: cqlstring.c:28