116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2012 Stephen Kelly <steveire@gmail.com>
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmGeneratorExpressionEvaluator_h
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#define cmGeneratorExpressionEvaluator_h
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#include "cmGeneratorExpressionContext.h"
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#include "cmListFileCache.h"
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#include <string>
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#include <vector>
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struct cmGeneratorExpressionDAGChecker;
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struct cmGeneratorExpressionNode;
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struct cmGeneratorExpressionEvaluator
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{
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cmGeneratorExpressionEvaluator() {}
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virtual ~cmGeneratorExpressionEvaluator() {}
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enum Type
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{
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Text,
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Generator
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};
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virtual Type GetType() const = 0;
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virtual std::string Evaluate(cmGeneratorExpressionContext* context,
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cmGeneratorExpressionDAGChecker*) const = 0;
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private:
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cmGeneratorExpressionEvaluator(const cmGeneratorExpressionEvaluator&);
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void operator=(const cmGeneratorExpressionEvaluator&);
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};
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struct TextContent : public cmGeneratorExpressionEvaluator
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{
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TextContent(const char* start, size_t length)
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: Content(start)
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, Length(length)
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{
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}
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std::string Evaluate(cmGeneratorExpressionContext*,
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cmGeneratorExpressionDAGChecker*) const
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{
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return std::string(this->Content, this->Length);
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}
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Type GetType() const { return cmGeneratorExpressionEvaluator::Text; }
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void Extend(size_t length) { this->Length += length; }
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size_t GetLength() { return this->Length; }
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private:
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const char* Content;
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size_t Length;
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};
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struct GeneratorExpressionContent : public cmGeneratorExpressionEvaluator
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{
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GeneratorExpressionContent(const char* startContent, size_t length);
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void SetIdentifier(std::vector<cmGeneratorExpressionEvaluator*> identifier)
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{
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this->IdentifierChildren = identifier;
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}
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void SetParameters(
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> > parameters)
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{
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this->ParamChildren = parameters;
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}
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Type GetType() const { return cmGeneratorExpressionEvaluator::Generator; }
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std::string Evaluate(cmGeneratorExpressionContext* context,
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cmGeneratorExpressionDAGChecker*) const;
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std::string GetOriginalExpression() const;
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~GeneratorExpressionContent();
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private:
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std::string EvaluateParameters(const cmGeneratorExpressionNode* node,
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const std::string& identifier,
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cmGeneratorExpressionContext* context,
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cmGeneratorExpressionDAGChecker* dagChecker,
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std::vector<std::string>& parameters) const;
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std::string ProcessArbitraryContent(
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const cmGeneratorExpressionNode* node, const std::string& identifier,
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cmGeneratorExpressionContext* context,
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cmGeneratorExpressionDAGChecker* dagChecker,
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pit) const;
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private:
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std::vector<cmGeneratorExpressionEvaluator*> IdentifierChildren;
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> > ParamChildren;
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const char* StartContent;
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size_t ContentLength;
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};
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#endif
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