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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
commit1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch)
tree285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/fde/css/fde_csssyntax.h
parentf766ad219f66543654520f6a1955836f519e26d1 (diff)
downloadpdfium-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.h119
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_