WebCore/css/CSSHelper.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/css/CSSHelper.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CSSHelper_h
+#define CSSHelper_h
+
+namespace WebCore {
+
+    class String;
+
+    // Used in many inappropriate contexts throughout WebCore. We'll have to examine and test
+    // each call site to find out whether it needs the various things this function does. That
+    // includes trimming leading and trailing control characters (including whitespace), removing
+    // url() or URL() if it surrounds the entire string, removing matching quote marks if present,
+    // and stripping all characters in the range U+0000-U+000C. Probably no caller needs this.
+    String deprecatedParseURL(const String&);
+
+    // We always assume 96 CSS pixels in a CSS inch. This is the cold hard truth of the Web.
+    // At high DPI, we may scale a CSS pixel, but the ratio of the CSS pixel to the so-called
+    // "absolute" CSS length units like inch and pt is always fixed and never changes.
+    const float cssPixelsPerInch = 96;
+
+} // namespace WebCore
+
+#endif // CSSHelper_h