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/*
* Copyright (c) 2013, Opera Software ASA. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Opera Software ASA nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ExperimentalFeatures.h"
namespace WebKit {
struct Setting {
ExperimentalFeatures::Feature feature;
const char* featureName;
bool enabled;
};
static Setting settings[] = {
{ ExperimentalFeatures::RegionBasedColumns, "REGION_BASED_COLUMNS", false }
};
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
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