libdap++  Updated for version 3.13.3
parser.h
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1 
2 // -*- mode: c++; c-basic-offset:4 -*-
3 
4 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
5 // Access Protocol.
6 
7 // Copyright (c) 2002,2003 OPeNDAP, Inc.
8 // Author: James Gallagher <jgallagher@opendap.org>
9 //
10 // This library is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU Lesser General Public
12 // License as published by the Free Software Foundation; either
13 // version 2.1 of the License, or (at your option) any later version.
14 //
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // Lesser General Public License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public
21 // License along with this library; if not, write to the Free Software
22 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 //
24 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25 
26 // (c) COPYRIGHT URI/MIT 1994-1999
27 // Please read the full copyright statement in the file COPYRIGHT_URI.
28 //
29 // Authors:
30 // jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
31 
32 // Constants, types and function prototypes for use with the DAP parsers.
33 //
34 // jhrg 2/3/96
35 
36 #ifndef _parser_h
37 #define _parser_h
38 
39 #ifndef _error_h
40 #include "Error.h"
41 #endif
42 
43 #define YYDEBUG 1
44 #undef YYERROR_VERBOSE
45 #define YY_NO_UNPUT 1
46 
47 #define ID_MAX 256
48 
49 #ifndef TRUE
50 #define TRUE 1
51 #define FALSE 0
52 #endif
53 
54 namespace libdap
55 {
56 
68 struct parser_arg
69 {
70  void *_object; // nominally a pointer to an object
71  Error *_error; // a pointer to an Error object
72  int _status; // parser status
73 
74  parser_arg() : _object(0), _error(0), _status(1)
75  {}
76  parser_arg(void *obj) : _object(obj), _error(0), _status(1)
77  {}
78  virtual ~parser_arg()
79  {
80  if (_error) {
81  delete _error; _error = 0;
82  }
83  }
84 
85  void *object()
86  {
87  return _object;
88  }
89  void set_object(void *obj)
90  {
91  _object = obj;
92  }
94  {
95  return _error;
96  }
97  void set_error(Error *obj)
98  {
99  _error = obj;
100  }
101  int status()
102  {
103  return _status;
104  }
105  void set_status(int val = 0)
106  {
107  _status = val;
108  }
109 };
110 
130 void parse_error(parser_arg *arg, const char *s, const int line_num = 0,
131  const char *context = 0);
132 void parse_error(const string &msg, const int line_num,
133  const char *context = 0);
135 
150 void save_str(char *dst, const char *src, const int line_num);
151 void save_str(string &dst, const char *src, const int);
152 
153 bool is_keyword(string id, const string &keyword);
154 
166 int check_byte(const char *val);
167 
175 int check_int16(const char *val);
176 int check_uint16(const char *val);
177 int check_int32(const char *val);
178 int check_uint32(const char *val);
179 
184 int check_float32(const char *val);
185 int check_float64(const char *val);
186 
191 int check_url(const char *val);
192 
193 } // namespace libdap
194 
195 #endif // _parser_h
196 
int check_float64(const char *val)
Definition: parser-util.cc:337
int check_int32(const char *val)
Definition: parser-util.cc:237
int check_int16(const char *val)
Is the value a valid integer?
Definition: parser-util.cc:205
void * _object
Definition: parser.h:70
void * object()
Definition: parser.h:85
parser_arg(void *obj)
Definition: parser.h:76
void set_object(void *obj)
Definition: parser.h:89
void set_status(int val=0)
Definition: parser.h:105
int check_byte(const char *val)
Is the value a valid byte?
Definition: parser-util.cc:179
Error * _error
Definition: parser.h:71
Error * error()
Definition: parser.h:93
void set_error(Error *obj)
Definition: parser.h:97
int check_url(const char *)
Is the value a valid URL?
Definition: parser-util.cc:374
void parse_error(parser_arg *arg, const char *msg, const int line_num, const char *context)
Definition: parser-util.cc:90
Pass parameters by reference to a parser.
Definition: parser.h:68
bool is_keyword(string id, const string &keyword)
Definition: parser-util.cc:171
int check_uint32(const char *val)
Definition: parser-util.cc:265
A class for error processing.
Definition: Error.h:90
virtual ~parser_arg()
Definition: parser.h:78
int check_uint16(const char *val)
Definition: parser-util.cc:221
void save_str(char *dst, const char *src, const int line_num)
Save a string to a temporary variable during the parse.
Definition: parser-util.cc:155
int check_float32(const char *val)
Is the value a valid float?
Definition: parser-util.cc:304