Support scientific notation in CSS numbers/percentages/dimensions

Source/core/css/parser/CSSTokenizer-in.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 1221 matching lines @@
 
         if (UNLIKELY(m_parsingMode == NthChildMode) && !dotSeen && isASCIIAlphaCaselessEqual(*currentCharacter<SrcCharacterType>(), 'n')) {
             // "[0-9]+n" is always an NthChild.
             ++currentCharacter<SrcCharacterType>();
             parseNthChildExtra<SrcCharacterType>();
             m_token = NTH;
             yylval->string.init(tokenStart<SrcCharacterType>(), currentCharacter<SrcCharacterType>() - tokenStart<SrcCharacterType>());
             break;
         }
 
-        // Use SVG parser for numbers on SVG presentation attributes.
-        if (isSVGNumberParsingEnabledForMode(m_parser.m_context.mode())) {
-            // We need to take care of units like 'em' or 'ex'.
-            SrcCharacterType* character = currentCharacter<SrcCharacterType>();
-            if (isASCIIAlphaCaselessEqual(*character, 'e')) {
-                ASSERT(character - tokenStart<SrcCharacterType>() > 0);
+        // We need to take care of units like 'em' or 'ex'.
+        SrcCharacterType* character = currentCharacter<SrcCharacterType>();
+        if (isASCIIAlphaCaselessEqual(*character, 'e')) {
+            ASSERT(character - tokenStart<SrcCharacterType>() > 0);
+            ++character;
+            if (*character == '-' || *character == '+' || isASCIIDigit(*character)) {
                 ++character;
-                if (*character == '-' || *character == '+' || isASCIIDigit(*character)) {
+                while (isASCIIDigit(*character))
                     ++character;
-                    while (isASCIIDigit(*character))
-                        ++character;
-                    // Use FLOATTOKEN if the string contains exponents.
-                    dotSeen = true;
-                    currentCharacter<SrcCharacterType>() = character;
-                }
+                // Use FLOATTOKEN if the string contains exponents.
+                dotSeen = true;
+                currentCharacter<SrcCharacterType>() = character;
             }
-            if (!parseSVGNumber(tokenStart<SrcCharacterType>(), character - tokenStart<SrcCharacterType>(), yylval->number))
-                break;
-        } else {
-            yylval->number = charactersToDouble(tokenStart<SrcCharacterType>(), currentCharacter<SrcCharacterType>() - tokenStart<SrcCharacterType>());
         }
 
+        yylval->number = charactersToDouble(tokenStart<SrcCharacterType>(), currentCharacter<SrcCharacterType>() - tokenStart<SrcCharacterType>());
+
         // Type of the function.
         if (isIdentifierStart<SrcCharacterType>()) {
             SrcCharacterType* type = currentCharacter<SrcCharacterType>();
             result = currentCharacter<SrcCharacterType>();
 
             parseIdentifier(result, resultString, hasEscape);
 
             m_token = DIMEN;
             if (!hasEscape)
                 detectNumberToken(type, currentCharacter<SrcCharacterType>() - type);
@@ skipping 308 matching lines @@
     m_dataStart16[length - 1] = 0;
 
     m_is8BitSource = false;
     m_currentCharacter8 = 0;
     m_currentCharacter16 = m_dataStart16.get();
     setTokenStart<UChar>(m_currentCharacter16);
     m_lexFunc = &CSSTokenizer::realLex<UChar>;
 }
 
 } // namespace blink