2aff35215f
except for several unused parameter warnings (because there is so much code still #if 0'd out), and one implicit conversion from long long to long which still has to be dealt with.
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (c) 2003-2008, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PREDICATE_H
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#define _PREDICATE_H
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#include "expr.h"
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#include "scope.h"
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namespace ledger {
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template <typename T>
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class item_predicate
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{
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public:
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expr_t predicate;
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item_predicate() {
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TRACE_CTOR(item_predicate, "");
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}
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item_predicate(const item_predicate& other) : predicate(other.predicate) {
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TRACE_CTOR(item_predicate, "copy");
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}
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item_predicate(const expr_t& _predicate) : predicate(_predicate) {
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TRACE_CTOR(item_predicate, "const expr_t&");
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}
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item_predicate(const string& _predicate) : predicate(expr_t(_predicate)) {
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TRACE_CTOR(item_predicate, "const string&");
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}
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~item_predicate() throw() {
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TRACE_DTOR(item_predicate);
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}
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bool operator()(T& item) const {
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return ! predicate || predicate.calc(item).strip_annotations();
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}
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};
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} // namespace ledger
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#endif // _PREDICATE_H
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