/*
 * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2008 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.
 */

#include "config.h"
#include "CSSParserValues.h"
#include "CSSPrimitiveValue.h"
#include "CSSFunctionValue.h"
#include "CSSQuirkPrimitiveValue.h"

namespace WebCore {

bool CSSParserValue::isVariable() const
{
    return unit == CSSPrimitiveValue::CSS_PARSER_VARIABLE_FUNCTION_SYNTAX;
}

CSSParserValueList::~CSSParserValueList()
{
    size_t numValues = m_values.size();
    for (size_t i = 0; i < numValues; i++) {
        if (m_values[i].unit == CSSParserValue::Function)
            delete m_values[i].function;
    }
}

void CSSParserValueList::addValue(const CSSParserValue& v)
{
    if (v.isVariable())
        m_variablesCount++;
    m_values.append(v);
}
    
void CSSParserValueList::deleteValueAt(unsigned i)
{ 
    if (m_values[i].isVariable())
        m_variablesCount--;
    m_values.remove(i);
}

PassRefPtr<CSSValue> CSSParserValue::createCSSValue()
{
    RefPtr<CSSValue> parsedValue;
    if (id)
        parsedValue = CSSPrimitiveValue::createIdentifier(id);
    else if (unit == CSSPrimitiveValue::CSS_IDENT)
        parsedValue = CSSPrimitiveValue::create(string, CSSPrimitiveValue::CSS_PARSER_IDENTIFIER);
    else if (unit == CSSPrimitiveValue::CSS_NUMBER && isInt)
        parsedValue = CSSPrimitiveValue::create(fValue, CSSPrimitiveValue::CSS_PARSER_INTEGER);
    else if (unit == CSSParserValue::Operator) {
        RefPtr<CSSPrimitiveValue> primitiveValue = CSSPrimitiveValue::createIdentifier(iValue);
        primitiveValue->setPrimitiveType(CSSPrimitiveValue::CSS_PARSER_OPERATOR);
        parsedValue = primitiveValue;
    } else if (unit == CSSParserValue::Function)
        parsedValue = CSSFunctionValue::create(function);
    else if (unit == CSSPrimitiveValue::CSS_STRING || unit == CSSPrimitiveValue::CSS_URI || unit == CSSPrimitiveValue::CSS_PARSER_HEXCOLOR || isVariable())
        parsedValue = CSSPrimitiveValue::create(string, (CSSPrimitiveValue::UnitTypes)unit);
    else if (unit >= CSSPrimitiveValue::CSS_NUMBER && unit <= CSSPrimitiveValue::CSS_KHZ)
        parsedValue = CSSPrimitiveValue::create(fValue, (CSSPrimitiveValue::UnitTypes)unit);
    else if (unit >= CSSParserValue::Q_EMS)
        parsedValue = CSSQuirkPrimitiveValue::create(fValue, CSSPrimitiveValue::CSS_EMS);
    return parsedValue;
}

}

