From 9f0e85ac36826e39a242f8039c2b2c333ee99f4f Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Tue, 8 Aug 2017 13:23:24 -0400 Subject: Move CSS code to core The xfa/fde/css code has no other links into xfa/. This CL moves the css code to core/fxcrt/css and sets to only build when pdf_enable_xfa is enabled. Change-Id: Iefd208e1f83a28b80b567c574e841e87bce310be Reviewed-on: https://pdfium-review.googlesource.com/9251 Commit-Queue: dsinclair Reviewed-by: Tom Sepez --- core/fxcrt/css/cfx_csssyntaxparser.h | 75 ++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 core/fxcrt/css/cfx_csssyntaxparser.h (limited to 'core/fxcrt/css/cfx_csssyntaxparser.h') diff --git a/core/fxcrt/css/cfx_csssyntaxparser.h b/core/fxcrt/css/cfx_csssyntaxparser.h new file mode 100644 index 0000000000..9ddedfe4a7 --- /dev/null +++ b/core/fxcrt/css/cfx_csssyntaxparser.h @@ -0,0 +1,75 @@ +// Copyright 2017 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 CORE_FXCRT_CSS_CFX_CSSSYNTAXPARSER_H_ +#define CORE_FXCRT_CSS_CFX_CSSSYNTAXPARSER_H_ + +#include + +#include "core/fxcrt/css/cfx_cssexttextbuf.h" +#include "core/fxcrt/css/cfx_csstextbuf.h" +#include "core/fxcrt/fx_string.h" + +#define CFX_CSSSYNTAXCHECK_AllowCharset 1 +#define CFX_CSSSYNTAXCHECK_AllowImport 2 + +enum class CFX_CSSSyntaxMode { + RuleSet, + Comment, + UnknownRule, + Selector, + PropertyName, + PropertyValue, +}; + +enum class CFX_CSSSyntaxStatus : uint8_t { + Error, + EOS, + None, + StyleRule, + Selector, + DeclOpen, + DeclClose, + PropertyName, + PropertyValue, +}; + +class CFX_CSSSyntaxParser { + public: + CFX_CSSSyntaxParser(const wchar_t* pBuffer, int32_t iBufferSize); + CFX_CSSSyntaxParser(const wchar_t* pBuffer, + int32_t iBufferSize, + int32_t iTextDatSize, + bool bOnlyDeclaration); + ~CFX_CSSSyntaxParser(); + + CFX_CSSSyntaxStatus DoSyntaxParse(); + CFX_WideStringC GetCurrentString() const; + + protected: + void SwitchMode(CFX_CSSSyntaxMode eMode); + int32_t SwitchToComment(); + + bool RestoreMode(); + bool AppendChar(wchar_t wch); + int32_t SaveTextData(); + bool IsCharsetEnabled() const { + return (m_dwCheck & CFX_CSSSYNTAXCHECK_AllowCharset) != 0; + } + void DisableCharset() { m_dwCheck = CFX_CSSSYNTAXCHECK_AllowImport; } + bool IsImportEnabled() const; + void DisableImport() { m_dwCheck = 0; } + + CFX_CSSTextBuf m_TextData; + CFX_CSSExtTextBuf m_TextPlane; + int32_t m_iTextDataLen; + uint32_t m_dwCheck; + CFX_CSSSyntaxMode m_eMode; + CFX_CSSSyntaxStatus m_eStatus; + std::stack m_ModeStack; +}; + +#endif // CORE_FXCRT_CSS_CFX_CSSSYNTAXPARSER_H_ -- cgit v1.2.3