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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_FMSIMPLEEXPRESSION_H_
#define XFA_FXFA_FM2JS_CXFA_FMSIMPLEEXPRESSION_H_
#include <memory>
#include <vector>
#include "xfa/fxfa/fm2js/cxfa_fmlexer.h"
enum XFA_FM_AccessorIndex {
ACCESSOR_NO_INDEX,
ACCESSOR_NO_RELATIVEINDEX,
ACCESSOR_POSITIVE_INDEX,
ACCESSOR_NEGATIVE_INDEX
};
enum class ReturnType { kImplied, kInfered };
class CFX_WideTextBuf;
class CXFA_FMSimpleExpression {
public:
virtual ~CXFA_FMSimpleExpression() {}
virtual bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) = 0;
XFA_FM_TOKEN GetOperatorToken() const;
protected:
explicit CXFA_FMSimpleExpression(XFA_FM_TOKEN op);
const XFA_FM_TOKEN m_op;
};
class CXFA_FMNullExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMNullExpression();
~CXFA_FMNullExpression() override {}
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
};
class CXFA_FMNumberExpression : public CXFA_FMSimpleExpression {
public:
explicit CXFA_FMNumberExpression(WideStringView wsNumber);
~CXFA_FMNumberExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
WideStringView m_wsNumber;
};
class CXFA_FMStringExpression : public CXFA_FMSimpleExpression {
public:
explicit CXFA_FMStringExpression(WideStringView wsString);
~CXFA_FMStringExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
WideStringView m_wsString;
};
class CXFA_FMIdentifierExpression : public CXFA_FMSimpleExpression {
public:
explicit CXFA_FMIdentifierExpression(WideStringView wsIdentifier);
~CXFA_FMIdentifierExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
WideStringView m_wsIdentifier;
};
class CXFA_FMAssignExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMAssignExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMAssignExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
};
class CXFA_FMBinExpression : public CXFA_FMSimpleExpression {
public:
~CXFA_FMBinExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
protected:
CXFA_FMBinExpression(const WideString& opName,
XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
private:
WideString m_OpName;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
};
class CXFA_FMLogicalOrExpression : public CXFA_FMBinExpression {
public:
CXFA_FMLogicalOrExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLogicalOrExpression() override {}
};
class CXFA_FMLogicalAndExpression : public CXFA_FMBinExpression {
public:
CXFA_FMLogicalAndExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLogicalAndExpression() override {}
};
class CXFA_FMEqualExpression : public CXFA_FMBinExpression {
public:
CXFA_FMEqualExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMEqualExpression() override {}
};
class CXFA_FMNotEqualExpression : public CXFA_FMBinExpression {
public:
CXFA_FMNotEqualExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMNotEqualExpression() override {}
};
class CXFA_FMGtExpression : public CXFA_FMBinExpression {
public:
CXFA_FMGtExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMGtExpression() override {}
};
class CXFA_FMGeExpression : public CXFA_FMBinExpression {
public:
CXFA_FMGeExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMGeExpression() override {}
};
class CXFA_FMLtExpression : public CXFA_FMBinExpression {
public:
CXFA_FMLtExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLtExpression() override {}
};
class CXFA_FMLeExpression : public CXFA_FMBinExpression {
public:
CXFA_FMLeExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLeExpression() override {}
};
class CXFA_FMPlusExpression : public CXFA_FMBinExpression {
public:
CXFA_FMPlusExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMPlusExpression() override {}
};
class CXFA_FMMinusExpression : public CXFA_FMBinExpression {
public:
CXFA_FMMinusExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMMinusExpression() override {}
};
class CXFA_FMMulExpression : public CXFA_FMBinExpression {
public:
CXFA_FMMulExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMMulExpression() override {}
};
class CXFA_FMDivExpression : public CXFA_FMBinExpression {
public:
CXFA_FMDivExpression(XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMDivExpression() override {}
};
class CXFA_FMUnaryExpression : public CXFA_FMSimpleExpression {
public:
~CXFA_FMUnaryExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
protected:
CXFA_FMUnaryExpression(const WideString& opName,
XFA_FM_TOKEN op,
std::unique_ptr<CXFA_FMSimpleExpression> pExp);
private:
WideString m_OpName;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp;
};
class CXFA_FMPosExpression : public CXFA_FMUnaryExpression {
public:
explicit CXFA_FMPosExpression(std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMPosExpression() override {}
};
class CXFA_FMNegExpression : public CXFA_FMUnaryExpression {
public:
explicit CXFA_FMNegExpression(std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMNegExpression() override {}
};
class CXFA_FMNotExpression : public CXFA_FMUnaryExpression {
public:
explicit CXFA_FMNotExpression(std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMNotExpression() override {}
};
class CXFA_FMCallExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMCallExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pExp,
std::vector<std::unique_ptr<CXFA_FMSimpleExpression>>&& pArguments,
bool bIsSomMethod);
~CXFA_FMCallExpression() override;
bool IsBuiltInFunc(CFX_WideTextBuf* funcName);
uint32_t IsMethodWithObjParam(const WideString& methodName);
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp;
bool m_bIsSomMethod;
std::vector<std::unique_ptr<CXFA_FMSimpleExpression>> m_Arguments;
};
class CXFA_FMDotAccessorExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMDotAccessorExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
XFA_FM_TOKEN op,
WideStringView wsIdentifier,
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
~CXFA_FMDotAccessorExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
WideStringView m_wsIdentifier;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
};
class CXFA_FMIndexExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMIndexExpression(XFA_FM_AccessorIndex accessorIndex,
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp,
bool bIsStarIndex);
~CXFA_FMIndexExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp;
XFA_FM_AccessorIndex m_accessorIndex;
bool m_bIsStarIndex;
};
class CXFA_FMDotDotAccessorExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMDotDotAccessorExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
XFA_FM_TOKEN op,
WideStringView wsIdentifier,
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
~CXFA_FMDotDotAccessorExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
WideStringView m_wsIdentifier;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
};
class CXFA_FMMethodCallExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMMethodCallExpression(
std::unique_ptr<CXFA_FMSimpleExpression> pAccessorExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pCallExp);
~CXFA_FMMethodCallExpression() override;
bool ToJavaScript(CFX_WideTextBuf& javascript, ReturnType type) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
};
bool CXFA_IsTooBig(const CFX_WideTextBuf& javascript);
#endif // XFA_FXFA_FM2JS_CXFA_FMSIMPLEEXPRESSION_H_
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