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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FXFA_FM2JS_CXFA_FMEXPRESSION_H_
#define XFA_FXFA_FM2JS_CXFA_FMEXPRESSION_H_
#include <memory>
#include <vector>
#include "xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h"
class CFX_WideTextBuf;
class CXFA_FMExpression {
public:
virtual ~CXFA_FMExpression() = default;
virtual bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) = 0;
protected:
CXFA_FMExpression();
};
class CXFA_FMFunctionDefinition final : public CXFA_FMExpression {
public:
CXFA_FMFunctionDefinition(
const WideStringView& wsName,
std::vector<WideStringView>&& arguments,
std::vector<std::unique_ptr<CXFA_FMExpression>>&& expressions);
~CXFA_FMFunctionDefinition() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
WideStringView m_wsName;
std::vector<WideStringView> m_pArguments;
std::vector<std::unique_ptr<CXFA_FMExpression>> m_pExpressions;
};
class CXFA_FMAST {
public:
explicit CXFA_FMAST(
std::vector<std::unique_ptr<CXFA_FMExpression>> expressions);
~CXFA_FMAST();
bool ToJavaScript(CFX_WideTextBuf* js);
private:
std::vector<std::unique_ptr<CXFA_FMExpression>> expressions_;
};
class CXFA_FMVarExpression final : public CXFA_FMExpression {
public:
CXFA_FMVarExpression(const WideStringView& wsName,
std::unique_ptr<CXFA_FMSimpleExpression> pInit);
~CXFA_FMVarExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
WideStringView m_wsName;
std::unique_ptr<CXFA_FMSimpleExpression> m_pInit;
};
class CXFA_FMExpExpression final : public CXFA_FMExpression {
public:
explicit CXFA_FMExpExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pExpression);
~CXFA_FMExpExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
};
class CXFA_FMBlockExpression final : public CXFA_FMExpression {
public:
CXFA_FMBlockExpression(
std::vector<std::unique_ptr<CXFA_FMExpression>>&& pExpressionList);
~CXFA_FMBlockExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
std::vector<std::unique_ptr<CXFA_FMExpression>> m_ExpressionList;
};
class CXFA_FMDoExpression final : public CXFA_FMExpression {
public:
explicit CXFA_FMDoExpression(std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMDoExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMExpression> m_pList;
};
class CXFA_FMIfExpression final : public CXFA_FMExpression {
public:
CXFA_FMIfExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pExpression,
std::unique_ptr<CXFA_FMExpression> pIfExpression,
std::vector<std::unique_ptr<CXFA_FMIfExpression>> pElseIfExpressions,
std::unique_ptr<CXFA_FMExpression> pElseExpression);
~CXFA_FMIfExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
std::unique_ptr<CXFA_FMExpression> m_pIfExpression;
std::vector<std::unique_ptr<CXFA_FMIfExpression>> m_pElseIfExpressions;
std::unique_ptr<CXFA_FMExpression> m_pElseExpression;
};
class CXFA_FMWhileExpression final : public CXFA_FMExpression {
public:
CXFA_FMWhileExpression(std::unique_ptr<CXFA_FMSimpleExpression> pCodition,
std::unique_ptr<CXFA_FMExpression> pExpression);
~CXFA_FMWhileExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pCondition;
std::unique_ptr<CXFA_FMExpression> m_pExpression;
};
class CXFA_FMBreakExpression final : public CXFA_FMExpression {
public:
CXFA_FMBreakExpression();
~CXFA_FMBreakExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
};
class CXFA_FMContinueExpression final : public CXFA_FMExpression {
public:
CXFA_FMContinueExpression();
~CXFA_FMContinueExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
};
class CXFA_FMForExpression final : public CXFA_FMExpression {
public:
CXFA_FMForExpression(const WideStringView& wsVariant,
std::unique_ptr<CXFA_FMSimpleExpression> pAssignment,
std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
int32_t iDirection,
std::unique_ptr<CXFA_FMSimpleExpression> pStep,
std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMForExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
WideStringView m_wsVariant;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAssignment;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAccessor;
const bool m_bDirection;
std::unique_ptr<CXFA_FMSimpleExpression> m_pStep;
std::unique_ptr<CXFA_FMExpression> m_pList;
};
class CXFA_FMForeachExpression final : public CXFA_FMExpression {
public:
// Takes ownership of |pAccessors|.
CXFA_FMForeachExpression(
const WideStringView& wsIdentifier,
std::vector<std::unique_ptr<CXFA_FMSimpleExpression>>&& pAccessors,
std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMForeachExpression() override;
bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) override;
private:
WideStringView m_wsIdentifier;
std::vector<std::unique_ptr<CXFA_FMSimpleExpression>> m_pAccessors;
std::unique_ptr<CXFA_FMExpression> m_pList;
};
#endif // XFA_FXFA_FM2JS_CXFA_FMEXPRESSION_H_
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