Source/WebCore/css/CSSGridTemplateAreasValue.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2013, 2014 Igalia S.L.
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#include "config.h"
#include "CSSGridTemplateAreasValue.h"

#include "GridArea.h"
#include <wtf/text/StringBuilder.h>

namespace WebCore {

CSSGridTemplateAreasValue::CSSGridTemplateAreasValue(const NamedGridAreaMap& gridAreaMap, size_t rowCount, size_t columnCount)
    : CSSValue(GridTemplateAreasClass)
    , m_gridAreaMap(gridAreaMap)
    , m_rowCount(rowCount)
    , m_columnCount(columnCount)
{
    ASSERT(m_rowCount);
    ASSERT(m_columnCount);
}

static String stringForPosition(const NamedGridAreaMap& gridAreaMap, size_t row, size_t column)
{
    Vector<String> candidates;

    for (const auto& it : gridAreaMap) {
        const GridArea& area = it.value;
        if (row >= area.rows.startLine() && row < area.rows.endLine())
            candidates.append(it.key);
    }

    for (const auto& it : gridAreaMap) {
        const GridArea& area = it.value;
        if (column >= area.columns.startLine() && column < area.columns.endLine() && candidates.contains(it.key))
            return it.key;
    }

    return ".";
}

String CSSGridTemplateAreasValue::customCSSText() const
{
    StringBuilder builder;
    for (size_t row = 0; row < m_rowCount; ++row) {
        builder.append('\"');
        for (size_t column = 0; column < m_columnCount; ++column) {
            builder.append(stringForPosition(m_gridAreaMap, row, column));
            if (column != m_columnCount - 1)
                builder.append(' ');
        }
        builder.append('\"');
        if (row != m_rowCount - 1)
            builder.append(' ');
    }
    return builder.toString();
}

bool CSSGridTemplateAreasValue::equals(const CSSGridTemplateAreasValue& other) const
{
    return m_gridAreaMap == other.m_gridAreaMap && m_rowCount == other.m_rowCount && m_columnCount == other.m_columnCount;
}

} // namespace WebCore