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>

1 files changed, 93 insertions, 0 deletions

diff --git a/core/fxcrt/css/cfx_cssdeclaration.h b/core/fxcrt/css/cfx_cssdeclaration.h
new file mode 100644
index 0000000000..7b39daef7e
--- /dev/null
+++ b/core/fxcrt/css/cfx_cssdeclaration.h
@@ -0,0 +1,93 @@
+// 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 CORE_FXCRT_CSS_CFX_CSSDECLARATION_H_
+#define CORE_FXCRT_CSS_CFX_CSSDECLARATION_H_
+
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include "core/fxcrt/css/cfx_cssdatatable.h"
+
+class CFX_CSSPropertyHolder;
+class CFX_CSSCustomProperty;
+
+class CFX_CSSDeclaration {
+ public:
+  using const_prop_iterator =
+      std::vector<std::unique_ptr<CFX_CSSPropertyHolder>>::const_iterator;
+  using const_custom_iterator =
+      std::vector<std::unique_ptr<CFX_CSSCustomProperty>>::const_iterator;
+
+  static bool ParseCSSString(const wchar_t* pszValue,
+                             int32_t iValueLen,
+                             int32_t* iOffset,
+                             int32_t* iLength);
+  static bool ParseCSSColor(const wchar_t* pszValue,
+                            int32_t iValueLen,
+                            FX_ARGB* dwColor);
+
+  CFX_CSSDeclaration();
+  ~CFX_CSSDeclaration();
+
+  CFX_RetainPtr<CFX_CSSValue> GetProperty(CFX_CSSProperty eProperty,
+                                          bool* bImportant) const;
+
+  const_prop_iterator begin() const { return properties_.begin(); }
+  const_prop_iterator end() const { return properties_.end(); }
+
+  const_custom_iterator custom_begin() const {
+    return custom_properties_.begin();
+  }
+  const_custom_iterator custom_end() const { return custom_properties_.end(); }
+
+  bool empty() const { return properties_.empty(); }
+
+  void AddProperty(const CFX_CSSPropertyTable* pTable,
+                   const CFX_WideStringC& value);
+  void AddProperty(const CFX_WideString& prop, const CFX_WideString& value);
+
+  size_t PropertyCountForTesting() const;
+
+  FX_ARGB ParseColorForTest(const wchar_t* pszValue,
+                            int32_t iValueLen,
+                            FX_ARGB* dwColor) const;
+
+ private:
+  void ParseFontProperty(const wchar_t* pszValue,
+                         int32_t iValueLen,
+                         bool bImportant);
+  bool ParseBorderProperty(const wchar_t* pszValue,
+                           int32_t iValueLen,
+                           CFX_RetainPtr<CFX_CSSValue>& pWidth) const;
+  void ParseValueListProperty(const CFX_CSSPropertyTable* pTable,
+                              const wchar_t* pszValue,
+                              int32_t iValueLen,
+                              bool bImportant);
+  void Add4ValuesProperty(const std::vector<CFX_RetainPtr<CFX_CSSValue>>& list,
+                          bool bImportant,
+                          CFX_CSSProperty eLeft,
+                          CFX_CSSProperty eTop,
+                          CFX_CSSProperty eRight,
+                          CFX_CSSProperty eBottom);
+  CFX_RetainPtr<CFX_CSSValue> ParseNumber(const wchar_t* pszValue,
+                                          int32_t iValueLen);
+  CFX_RetainPtr<CFX_CSSValue> ParseEnum(const wchar_t* pszValue,
+                                        int32_t iValueLen);
+  CFX_RetainPtr<CFX_CSSValue> ParseColor(const wchar_t* pszValue,
+                                         int32_t iValueLen);
+  CFX_RetainPtr<CFX_CSSValue> ParseString(const wchar_t* pszValue,
+                                          int32_t iValueLen);
+  void AddPropertyHolder(CFX_CSSProperty eProperty,
+                         CFX_RetainPtr<CFX_CSSValue> pValue,
+                         bool bImportant);
+
+  std::vector<std::unique_ptr<CFX_CSSPropertyHolder>> properties_;
+  std::vector<std::unique_ptr<CFX_CSSCustomProperty>> custom_properties_;
+};
+
+#endif  // CORE_FXCRT_CSS_CFX_CSSDECLARATION_H_