ExperimentalFeatures.cpp   [plain text]

/*
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#include "config.h"
#include "ExperimentalFeatures.h"

namespace WebKit {

struct Setting {
    ExperimentalFeatures::Feature feature;
    const char* featureName;
    bool enabled;
};

static Setting settings[] = {
    { ExperimentalFeatures::CSSGridLayout, "CSS_GRID_LAYOUT", true }
};

ExperimentalFeatures::ExperimentalFeatures()
{
    parseEnvironment();
}

bool ExperimentalFeatures::isEnabled(Feature feature)
{
    return settings[feature].enabled;
}

void ExperimentalFeatures::setEnableByName(const String& key, bool enable)
{
    for (unsigned i = 0; i < WTF_ARRAY_LENGTH(settings); i++) {
        if (key == settings[i].featureName) {
            settings[i].enabled = enable;
            break;
        }
    }
}

void ExperimentalFeatures::parseEnvironment()
{
    const char* data = getenv("WEBKITGTK_EXPERIMENTAL_FEATURES");
    if (!data)
        return;
    if (!strcmp(data, "all")) {
        for (unsigned i = 0; i < WTF_ARRAY_LENGTH(settings); i++)
            settings[i].enabled = true;
    } else {
        Vector<String> variables;
        String(data).split(',', false, variables);
        for (unsigned i = 0; i < variables.size(); i++) {
            Vector<String> keyAndValue;
            variables[i].split('=', false, keyAndValue);
            if (keyAndValue.size() != 2)
                continue;
            setEnableByName(keyAndValue[0], keyAndValue[1][0] - '0');
        }
    }
}

} // namespace WebKit