mirror of https://gitee.com/bigwinds/arangodb
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_AQL_EXPRESSION_CONTEXT_H
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#define ARANGOD_AQL_EXPRESSION_CONTEXT_H 1
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#include "Aql/types.h"
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#include "Basics/Common.h"
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#include <unicode/regex.h>
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struct TRI_vocbase_t;
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namespace arangodb {
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namespace transaction {
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class Methods;
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}
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namespace aql {
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struct AqlValue;
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class Query;
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struct Variable;
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class ExpressionContext {
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public:
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ExpressionContext() {}
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virtual ~ExpressionContext() {}
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virtual size_t numRegisters() const = 0;
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virtual AqlValue const& getRegisterValue(size_t i) const = 0;
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virtual Variable const* getVariable(size_t i) const = 0;
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virtual AqlValue getVariableValue(Variable const* variable, bool doCopy,
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bool& mustDestroy) const = 0;
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virtual void registerWarning(int errorCode, char const* msg) = 0;
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virtual void registerError(int errorCode, char const* msg) = 0;
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virtual icu::RegexMatcher* buildRegexMatcher(char const* ptr, size_t length,
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bool caseInsensitive) = 0;
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virtual icu::RegexMatcher* buildLikeMatcher(char const* ptr, size_t length,
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bool caseInsensitive) = 0;
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virtual icu::RegexMatcher* buildSplitMatcher(AqlValue splitExpression,
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transaction::Methods*,
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bool& isEmptyExpression) = 0;
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virtual bool killed() const = 0;
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virtual TRI_vocbase_t& vocbase() const = 0;
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virtual Query* query() const = 0;
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};
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} // namespace aql
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} // namespace arangodb
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#endif
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