/platform/external/webkit/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
27namespace WebCore {
28
29bool CSSParserValue::isVariable() const
30{
31    return unit == CSSPrimitiveValue::CSS_PARSER_VARIABLE_FUNCTION_SYNTAX;
32}
33
34CSSParserValueList::~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
43void 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    
50void CSSParserValueList::deleteValueAt(unsigned i)
51{ 
52    if (m_values[i].isVariable())
53        m_variablesCount--;
54    m_values.remove(i);
55}
56
57PassRefPtr<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