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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_XFA_EXPRESSION_H_
#define XFA_FXFA_FM2JS_XFA_EXPRESSION_H_
#include <memory>
#include "xfa/fxfa/fm2js/xfa_simpleexpression.h"
enum XFA_FM_EXPTYPE {
XFA_FM_EXPTYPE_UNKNOWN,
XFA_FM_EXPTYPE_FUNC,
XFA_FM_EXPTYPE_VAR,
XFA_FM_EXPTYPE_EXP,
XFA_FM_EXPTYPE_BLOCK,
XFA_FM_EXPTYPE_IF,
XFA_FM_EXPTYPE_BREAK,
XFA_FM_EXPTYPE_CONTINUE,
};
class CXFA_FMExpression {
public:
explicit CXFA_FMExpression(FX_DWORD line);
CXFA_FMExpression(FX_DWORD line, XFA_FM_EXPTYPE type);
virtual ~CXFA_FMExpression() {}
virtual void ToJavaScript(CFX_WideTextBuf& javascript);
virtual void ToImpliedReturnJS(CFX_WideTextBuf&);
FX_DWORD GetLine() { return m_line; }
XFA_FM_EXPTYPE GetExpType() const { return m_type; }
protected:
XFA_FM_EXPTYPE m_type;
FX_DWORD m_line;
};
class CXFA_FMFunctionDefinition : public CXFA_FMExpression {
public:
CXFA_FMFunctionDefinition(FX_DWORD line,
FX_BOOL isGlobal,
const CFX_WideStringC& wsName,
CFX_WideStringCArray* pArguments,
CFX_PtrArray* pExpressions);
~CXFA_FMFunctionDefinition() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsName;
CFX_WideStringCArray* m_pArguments;
CFX_PtrArray* m_pExpressions;
FX_BOOL m_isGlobal;
};
class CXFA_FMVarExpression : public CXFA_FMExpression {
public:
CXFA_FMVarExpression(FX_DWORD line,
const CFX_WideStringC& wsName,
CXFA_FMExpression* pInit);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsName;
std::unique_ptr<CXFA_FMExpression> m_pInit;
};
class CXFA_FMExpExpression : public CXFA_FMExpression {
public:
CXFA_FMExpExpression(FX_DWORD line, CXFA_FMSimpleExpression* pExpression);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
};
class CXFA_FMBlockExpression : public CXFA_FMExpression {
public:
CXFA_FMBlockExpression(FX_DWORD line, CFX_PtrArray* pExpressionList);
~CXFA_FMBlockExpression() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_PtrArray* m_pExpressionList;
};
class CXFA_FMDoExpression : public CXFA_FMExpression {
public:
CXFA_FMDoExpression(FX_DWORD line, CXFA_FMExpression* pList);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMExpression> m_pList;
};
class CXFA_FMIfExpression : public CXFA_FMExpression {
public:
CXFA_FMIfExpression(FX_DWORD line,
CXFA_FMSimpleExpression* pExpression,
CXFA_FMExpression* pIfExpression,
CXFA_FMExpression* pElseExpression);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
std::unique_ptr<CXFA_FMExpression> m_pIfExpression;
std::unique_ptr<CXFA_FMExpression> m_pElseExpression;
};
class CXFA_FMLoopExpression : public CXFA_FMExpression {
public:
explicit CXFA_FMLoopExpression(FX_DWORD line) : CXFA_FMExpression(line) {}
~CXFA_FMLoopExpression() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMWhileExpression : public CXFA_FMLoopExpression {
public:
CXFA_FMWhileExpression(FX_DWORD line,
CXFA_FMSimpleExpression* pCodition,
CXFA_FMExpression* pExpression);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pCondition;
std::unique_ptr<CXFA_FMExpression> m_pExpression;
};
class CXFA_FMBreakExpression : public CXFA_FMExpression {
public:
explicit CXFA_FMBreakExpression(FX_DWORD line);
~CXFA_FMBreakExpression() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMContinueExpression : public CXFA_FMExpression {
public:
explicit CXFA_FMContinueExpression(FX_DWORD line);
~CXFA_FMContinueExpression() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMForExpression : public CXFA_FMLoopExpression {
public:
CXFA_FMForExpression(FX_DWORD line,
const CFX_WideStringC& wsVariant,
CXFA_FMSimpleExpression* pAssignment,
CXFA_FMSimpleExpression* pAccessor,
int32_t iDirection,
CXFA_FMSimpleExpression* pStep,
CXFA_FMExpression* pList);
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsVariant;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAssignment;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAccessor;
int32_t m_iDirection;
std::unique_ptr<CXFA_FMSimpleExpression> m_pStep;
std::unique_ptr<CXFA_FMExpression> m_pList;
};
class CXFA_FMForeachExpression : public CXFA_FMLoopExpression {
public:
CXFA_FMForeachExpression(FX_DWORD line,
const CFX_WideStringC& wsIdentifier,
CFX_PtrArray* pAccessors,
CXFA_FMExpression* pList);
~CXFA_FMForeachExpression() override;
void ToJavaScript(CFX_WideTextBuf& javascript) override;
void ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsIdentifier;
CFX_PtrArray* m_pAccessors;
std::unique_ptr<CXFA_FMExpression> m_pList;
};
#endif // XFA_FXFA_FM2JS_XFA_EXPRESSION_H_
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