/usr/include/libdap/ConstraintEvaluator.h is in libdap-dev 3.18.2-2+deb9u1.
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 96 97 98 99 100 | // -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef constraint_evaluator_h
#define constraint_evaluator_h
#include <vector>
#include "expr.h"
#include "RValue.h"
namespace libdap
{
class DDS;
class DataDDS;
struct Clause;
class ServerFunctionsList;
/** @brief Evaluate a constraint expression */
class ConstraintEvaluator
{
private:
std::vector<Clause *> expr; // List of CE Clauses
std::vector<BaseType *> constants;// List of temporary objects
ServerFunctionsList *d_functions_list; // Known external functions from
// modules
// The default versions of these methods will break this class. Because
// Clause does not support deep copies, that class will need to be modified
// before these can be properly implemented. jhrg 4/3/06
ConstraintEvaluator(const ConstraintEvaluator &);
ConstraintEvaluator &operator=(const ConstraintEvaluator &);
friend class func_name_is;
public:
typedef std::vector<Clause *>::const_iterator Clause_citer ;
typedef std::vector<Clause *>::iterator Clause_iter ;
typedef std::vector<BaseType *>::const_iterator Constants_citer ;
typedef std::vector<BaseType *>::iterator Constants_iter ;
ConstraintEvaluator();
virtual ~ConstraintEvaluator();
bool find_function(const std::string &name, bool_func *f) const;
bool find_function(const std::string &name, btp_func *f) const;
bool find_function(const std::string &name, proj_func *f) const;
void append_clause(int op, rvalue *arg1, rvalue_list *arg2);
void append_clause(bool_func func, rvalue_list *args);
void append_clause(btp_func func, rvalue_list *args);
bool functional_expression();
bool boolean_expression();
bool eval_selection(DDS &dds, const std::string &dataset);
BaseType *eval_function(DDS &dds, const std::string &dataset);
// New for libdap 3.11. These methods provide a way to evaluate multiple
// functions in one CE
bool function_clauses();
DDS *eval_function_clauses(DDS &dds);
DataDDS *eval_function_clauses(DataDDS &dds);
Clause_iter clause_begin();
Clause_iter clause_end();
bool clause_value(Clause_iter &i, DDS &dds);
void parse_constraint(const std::string &constraint, DDS &dds);
void append_constant(BaseType *btp);
};
} // namespace libdap
#endif // constraint_evaluator_h
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