SVGStringList.cpp   [plain text]

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#include "config.h"
#include "SVGStringList.h"

#include <wtf/text/StringBuilder.h>
#include <wtf/text/StringParsingBuffer.h>

namespace WebCore {

bool SVGStringList::parse(StringView data, UChar delimiter)
{
    clearItems();

    auto isSVGSpaceOrDelimiter = [delimiter](auto c) {
        return isSVGSpace(c) || c == delimiter;
    };

    return readCharactersForParsing(data, [&](auto buffer) {
        skipOptionalSVGSpaces(buffer);

        while (buffer.hasCharactersRemaining()) {
            auto start = buffer.position();
            
            // FIXME: It would be a nice improvement to add a variant of skipUntil which worked
            // with lambda predicates.
            while (buffer.hasCharactersRemaining() && !isSVGSpaceOrDelimiter(*buffer))
                ++buffer;

            if (buffer.position() == start)
                break;

            m_items.append(String(start, buffer.position() - start));
            skipOptionalSVGSpacesOrDelimiter(buffer, delimiter);
        }

        // FIXME: Should this clearItems() on failure like SVGTransformList does?

        return buffer.atEnd();
    });
}

String SVGStringList::valueAsString() const
{
    StringBuilder builder;

    for (const auto& string : m_items) {
        if (builder.length())
            builder.append(' ');

        builder.append(string);
    }

    return builder.toString();
}

}