/usr/include/libdap/expr.h is in libdap-dev 3.11.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | // -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
// (c) COPYRIGHT URI/MIT 1995-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//
// Authors:
// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
// Types for the expr parser.
//
// 11/4/95 jhrg
#ifndef _expr_h
#define _expr_h
#include <string>
#include <vector>
#ifndef _basetype_h
#include "BaseType.h"
#endif
namespace libdap
{
// VALUE is used to return constant values from the scanner to the parser.
// Constants are packaged in BaseType *s for evaluation by the parser.
typedef struct
{
Type type; // Type is an enum defined in BaseType.h
union {
unsigned int ui;
int i;
double f;
string *s;
} v;
} value;
// Syntactic sugar for `pointer to function returning boolean' (bool_func)
// and `pointer to function returning BaseType *' (btp_func). Both function
// types take three arguments, an integer (argc), a vector of BaseType *s
// (argv) and the DDS for the dataset for which these function is being
// evaluated (analogous to the ENVP in UNIX). ARGC is the length of ARGV.
// These two types of functions now take four args - the DDS was added.
/** @todo A better design would wrap these in a class and record at minimum
their names so that error messages could be a bit more informative. jhrg
*/
typedef void(*bool_func)(int argc, BaseType *argv[], DDS &dds, bool *result);
typedef void(*btp_func)(int argc, BaseType *argv[], DDS &dds, BaseType **btpp);
// Projection function: A function that appears in the projection part of the
// CE and is executed for its side-effect. Usually adds a new variable to
// the DDS. These are run _during the parse_ so their side-effects can be used
// by subsequent parts of the CE.
typedef void(*proj_func)(int argc, BaseType *argv[], DDS &dds, ConstraintEvaluator &ce);
// INT_LIST and INT_LIST_LIST are used by the parser to store the array
// indexes.
typedef std::vector<int> int_list;
typedef std::vector<int>::const_iterator int_citer ;
typedef std::vector<int>::iterator int_iter ;
typedef std::vector<int_list *> int_list_list;
typedef std::vector<int_list *>::const_iterator int_list_citer ;
typedef std::vector<int_list *>::iterator int_list_iter ;
} // namespace libdap
#endif /* _expr_h */
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