WebCore/css/CSSParserValues.cpp

   1 /*
   2  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
   3  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include "config.h"
  22 #include "CSSParserValues.h"
  23 #include "CSSPrimitiveValue.h"
  24 #include "CSSFunctionValue.h"
  25 #include "CSSQuirkPrimitiveValue.h"
  26
  27 namespace WebCore {
  28
  29 bool CSSParserValue::isVariable() const
  30 {
  31     return unit == CSSPrimitiveValue::CSS_PARSER_VARIABLE_FUNCTION_SYNTAX;
  32 }
  33
  34 CSSParserValueList::~CSSParserValueList()
  35 {
  36     size_t numValues = m_values.size();
  37     for (size_t i = 0; i < numValues; i++) {
  38         if (m_values[i].unit == CSSParserValue::Function)
  39             delete m_values[i].function;
  40     }
  41 }
  42
  43 void CSSParserValueList::addValue(const CSSParserValue& v)
  44 {
  45     if (v.unit == CSSPrimitiveValue::CSS_PARSER_VARIABLE_FUNCTION_SYNTAX) // isVariable() is not inlined. This is hot.
  46         m_variablesCount++;
  47     m_values.append(v);
  48 }
  49
  50 void CSSParserValueList::deleteValueAt(unsigned i)
  51 {
  52     if (m_values[i].isVariable())
  53         m_variablesCount--;
  54     m_values.remove(i);
  55 }
  56
  57 PassRefPtr<CSSValue> CSSParserValue::createCSSValue()
  58 {
  59     RefPtr<CSSValue> parsedValue;
  60     if (id)
  61         parsedValue = CSSPrimitiveValue::createIdentifier(id);
  62     else if (unit == CSSPrimitiveValue::CSS_IDENT)
  63         parsedValue = CSSPrimitiveValue::create(string, CSSPrimitiveValue::CSS_PARSER_IDENTIFIER);
  64     else if (unit == CSSPrimitiveValue::CSS_NUMBER && isInt)
  65         parsedValue = CSSPrimitiveValue::create(fValue, CSSPrimitiveValue::CSS_PARSER_INTEGER);
  66     else if (unit == CSSParserValue::Operator) {
  67         RefPtr<CSSPrimitiveValue> primitiveValue = CSSPrimitiveValue::createIdentifier(iValue);
  68         primitiveValue->setPrimitiveType(CSSPrimitiveValue::CSS_PARSER_OPERATOR);
  69         parsedValue = primitiveValue;
  70     } else if (unit == CSSParserValue::Function)
  71         parsedValue = CSSFunctionValue::create(function);
  72     else if (unit == CSSPrimitiveValue::CSS_STRING || unit == CSSPrimitiveValue::CSS_URI || unit == CSSPrimitiveValue::CSS_PARSER_HEXCOLOR || isVariable())
  73         parsedValue = CSSPrimitiveValue::create(string, (CSSPrimitiveValue::UnitTypes)unit);
  74     else if (unit >= CSSPrimitiveValue::CSS_NUMBER && unit <= CSSPrimitiveValue::CSS_KHZ)
  75         parsedValue = CSSPrimitiveValue::create(fValue, (CSSPrimitiveValue::UnitTypes)unit);
  76     else if (unit >= CSSPrimitiveValue::CSS_TURN && unit <= CSSPrimitiveValue::CSS_REMS) // CSS3 Values and Units
  77         parsedValue = CSSPrimitiveValue::create(fValue, (CSSPrimitiveValue::UnitTypes)unit);
  78     else if (unit >= CSSParserValue::Q_EMS)
  79         parsedValue = CSSQuirkPrimitiveValue::create(fValue, CSSPrimitiveValue::CSS_EMS);
  80     return parsedValue;
  81 }
  82
  83 }
  84