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authorDan Sinclair <dsinclair@chromium.org>2017-08-08 13:23:24 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-08-08 17:37:54 +0000
commit9f0e85ac36826e39a242f8039c2b2c333ee99f4f (patch)
treec93f2a9322968f7723a4b3da5ea5e4cb7b79b075 /core/fxcrt/css/cfx_csssyntaxparser.h
parent78fc9aa402409f3fcd8dc1f458e67798cb3b483e (diff)
downloadpdfium-9f0e85ac36826e39a242f8039c2b2c333ee99f4f.tar.xz
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 <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcrt/css/cfx_csssyntaxparser.h')
-rw-r--r--core/fxcrt/css/cfx_csssyntaxparser.h75
1 files changed, 75 insertions, 0 deletions
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 <stack>
+
+#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<CFX_CSSSyntaxMode> m_ModeStack;
+};
+
+#endif // CORE_FXCRT_CSS_CFX_CSSSYNTAXPARSER_H_