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, 41 insertions, 0 deletions

diff --git a/core/fxcrt/css/cfx_cssnumbervalue.h b/core/fxcrt/css/cfx_cssnumbervalue.h
new file mode 100644
index 0000000000..a49328d663
--- /dev/null
+++ b/core/fxcrt/css/cfx_cssnumbervalue.h
@@ -0,0 +1,41 @@
+// 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_CSSNUMBERVALUE_H_
+#define CORE_FXCRT_CSS_CFX_CSSNUMBERVALUE_H_
+
+#include "core/fxcrt/css/cfx_cssvalue.h"
+#include "core/fxcrt/fx_system.h"
+
+enum class CFX_CSSNumberType {
+  Number,
+  Percent,
+  EMS,
+  EXS,
+  Pixels,
+  CentiMeters,
+  MilliMeters,
+  Inches,
+  Points,
+  Picas,
+};
+
+class CFX_CSSNumberValue : public CFX_CSSValue {
+ public:
+  CFX_CSSNumberValue(CFX_CSSNumberType type, float value);
+  ~CFX_CSSNumberValue() override;
+
+  float Value() const { return value_; }
+  CFX_CSSNumberType Kind() const { return type_; }
+
+  float Apply(float percentBase) const;
+
+ private:
+  CFX_CSSNumberType type_;
+  float value_;
+};
+
+#endif  // CORE_FXCRT_CSS_CFX_CSSNUMBERVALUE_H_