diff options
author | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
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committer | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
commit | 1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch) | |
tree | 285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/fde/css/fde_csssyntax.h | |
parent | f766ad219f66543654520f6a1955836f519e26d1 (diff) | |
download | pdfium-1770c021cf998ff1b33855b1397f6ea8ff9f7cd7.tar.xz |
Move xfa/src up to xfa/.
This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1803723002 .
Diffstat (limited to 'xfa/fde/css/fde_csssyntax.h')
-rw-r--r-- | xfa/fde/css/fde_csssyntax.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/xfa/fde/css/fde_csssyntax.h b/xfa/fde/css/fde_csssyntax.h new file mode 100644 index 0000000000..a25ab3badd --- /dev/null +++ b/xfa/fde/css/fde_csssyntax.h @@ -0,0 +1,119 @@ +// 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_FDE_CSS_FDE_CSSSYNTAX_H_ +#define XFA_FDE_CSS_FDE_CSSSYNTAX_H_ + +#include "xfa/fde/css/fde_css.h" +#include "xfa/fgas/crt/fgas_memory.h" +#include "xfa/fgas/crt/fgas_stream.h" + +class CFDE_CSSTextBuf : public CFX_Target { + public: + CFDE_CSSTextBuf(); + ~CFDE_CSSTextBuf(); + FX_BOOL AttachBuffer(const FX_WCHAR* pBuffer, int32_t iBufLen); + FX_BOOL EstimateSize(int32_t iAllocSize); + int32_t LoadFromStream(IFX_Stream* pTxtStream, + int32_t iStreamOffset, + int32_t iMaxChars, + FX_BOOL& bEOS); + FX_BOOL AppendChar(FX_WCHAR wch) { + if (m_iDatLen >= m_iBufLen && !ExpandBuf(m_iBufLen * 2)) { + return FALSE; + } + return (m_pBuffer[m_iDatLen++] = wch), TRUE; + } + void Clear() { m_iDatPos = m_iDatLen = 0; } + void Reset(); + int32_t TrimEnd() { + while (m_iDatLen > 0 && m_pBuffer[m_iDatLen - 1] <= ' ') { + --m_iDatLen; + } + AppendChar(0); + return --m_iDatLen; + } + void Subtract(int32_t iStart, int32_t iLength); + FX_BOOL IsEOF() const { return m_iDatPos >= m_iDatLen; } + FX_WCHAR GetAt(int32_t index) const { return m_pBuffer[index]; } + FX_WCHAR GetChar() const { return m_pBuffer[m_iDatPos]; } + FX_WCHAR GetNextChar() const { + return (m_iDatPos + 1 >= m_iDatLen) ? 0 : m_pBuffer[m_iDatPos + 1]; + } + void MoveNext() { m_iDatPos++; } + int32_t GetLength() const { return m_iDatLen; } + const FX_WCHAR* GetBuffer() const { return m_pBuffer; } + + protected: + FX_BOOL ExpandBuf(int32_t iDesiredSize); + FX_BOOL m_bExtBuf; + FX_WCHAR* m_pBuffer; + int32_t m_iBufLen; + int32_t m_iDatLen; + int32_t m_iDatPos; +}; + +#define FDE_CSSSYNTAXCHECK_AllowCharset 1 +#define FDE_CSSSYNTAXCHECK_AllowImport 2 + +enum FDE_CSSSYNTAXMODE { + FDE_CSSSYNTAXMODE_RuleSet, + FDE_CSSSYNTAXMODE_Comment, + FDE_CSSSYNTAXMODE_AtRule, + FDE_CSSSYNTAXMODE_UnknownRule, + FDE_CSSSYNTAXMODE_Charset, + FDE_CSSSYNTAXMODE_Import, + FDE_CSSSYNTAXMODE_MediaRule, + FDE_CSSSYNTAXMODE_URI, + FDE_CSSSYNTAXMODE_MediaType, + FDE_CSSSYNTAXMODE_Selector, + FDE_CSSSYNTAXMODE_PropertyName, + FDE_CSSSYNTAXMODE_PropertyValue, +}; + +class CFDE_CSSSyntaxParser : public IFDE_CSSSyntaxParser, public CFX_Target { + public: + CFDE_CSSSyntaxParser(); + ~CFDE_CSSSyntaxParser(); + virtual void Release() { delete this; } + virtual FX_BOOL Init(IFX_Stream* pStream, + int32_t iCSSPlaneSize, + int32_t iTextDataSize = 32, + FX_BOOL bOnlyDeclaration = FALSE); + virtual FX_BOOL Init(const FX_WCHAR* pBuffer, + int32_t iBufferSize, + int32_t iTextDatSize = 32, + FX_BOOL bOnlyDeclaration = FALSE); + virtual FDE_CSSSYNTAXSTATUS DoSyntaxParse(); + virtual const FX_WCHAR* GetCurrentString(int32_t& iLength) const; + + protected: + void Reset(FX_BOOL bOnlyDeclaration); + void SwitchMode(FDE_CSSSYNTAXMODE eMode); + int32_t SwitchToComment(); + + FX_BOOL RestoreMode(); + FX_BOOL AppendChar(FX_WCHAR wch); + int32_t SaveTextData(); + FX_BOOL IsCharsetEnabled() const { + return (m_dwCheck & FDE_CSSSYNTAXCHECK_AllowCharset) != 0; + } + void DisableCharset() { m_dwCheck = FDE_CSSSYNTAXCHECK_AllowImport; } + FX_BOOL IsImportEnabled() const; + void DisableImport() { m_dwCheck = 0; } + IFX_Stream* m_pStream; + int32_t m_iStreamPos; + int32_t m_iPlaneSize; + CFDE_CSSTextBuf m_TextData; + CFDE_CSSTextBuf m_TextPlane; + int32_t m_iTextDatLen; + FX_DWORD m_dwCheck; + FDE_CSSSYNTAXMODE m_eMode; + FDE_CSSSYNTAXSTATUS m_eStatus; + CFX_StackTemplate<FDE_CSSSYNTAXMODE> m_ModeStack; +}; + +#endif // XFA_FDE_CSS_FDE_CSSSYNTAX_H_ |