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74 lines
1.8 KiB
74 lines
1.8 KiB
// Copyright 2017 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#ifndef XFA_FDE_CSS_CFDE_CSSSYNTAXPARSER_H_ |
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#define XFA_FDE_CSS_CFDE_CSSSYNTAXPARSER_H_ |
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#include <stack> |
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#include "xfa/fde/css/cfde_csstextbuf.h" |
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#define FDE_CSSSYNTAXCHECK_AllowCharset 1 |
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#define FDE_CSSSYNTAXCHECK_AllowImport 2 |
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enum class FDE_CSSSyntaxMode { |
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RuleSet, |
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Comment, |
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UnknownRule, |
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Selector, |
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PropertyName, |
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PropertyValue, |
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}; |
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enum class FDE_CSSSyntaxStatus : uint8_t { |
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Error, |
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EOS, |
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None, |
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StyleRule, |
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Selector, |
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DeclOpen, |
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DeclClose, |
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PropertyName, |
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PropertyValue, |
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}; |
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class CFDE_CSSSyntaxParser { |
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public: |
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CFDE_CSSSyntaxParser(); |
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~CFDE_CSSSyntaxParser(); |
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bool Init(const FX_WCHAR* pBuffer, |
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int32_t iBufferSize, |
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int32_t iTextDatSize = 32, |
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bool bOnlyDeclaration = false); |
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FDE_CSSSyntaxStatus DoSyntaxParse(); |
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CFX_WideStringC GetCurrentString() const; |
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protected: |
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void Reset(bool bOnlyDeclaration); |
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void SwitchMode(FDE_CSSSyntaxMode eMode); |
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int32_t SwitchToComment(); |
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bool RestoreMode(); |
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bool AppendChar(FX_WCHAR wch); |
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int32_t SaveTextData(); |
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bool IsCharsetEnabled() const { |
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return (m_dwCheck & FDE_CSSSYNTAXCHECK_AllowCharset) != 0; |
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} |
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void DisableCharset() { m_dwCheck = FDE_CSSSYNTAXCHECK_AllowImport; } |
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bool IsImportEnabled() const; |
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void DisableImport() { m_dwCheck = 0; } |
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CFDE_CSSTextBuf m_TextData; |
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CFDE_CSSTextBuf m_TextPlane; |
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int32_t m_iTextDataLen; |
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uint32_t m_dwCheck; |
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FDE_CSSSyntaxMode m_eMode; |
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FDE_CSSSyntaxStatus m_eStatus; |
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std::stack<FDE_CSSSyntaxMode> m_ModeStack; |
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}; |
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#endif // XFA_FDE_CSS_CFDE_CSSSYNTAXPARSER_H_
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