// Copyright 2021 The Dawn & Tint Authors
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#include "src/dawn/tests/ToggleParser.h"

#include <cstring>
#include <sstream>

#include "src/utils/compiler.h"

ToggleParser::ToggleParser() = default;
ToggleParser::~ToggleParser() = default;

bool ToggleParser::ParseEnabledToggles(char* arg) {
    constexpr const char kEnableTogglesSwitch[] = "--enable-toggles=";
    size_t argLen = sizeof(kEnableTogglesSwitch) - 1;
    if (DAWN_UNSAFE_TODO(strncmp(arg, kEnableTogglesSwitch, argLen)) == 0) {
        std::string toggle;
        std::stringstream toggles(DAWN_UNSAFE_TODO(arg + argLen));
        while (getline(toggles, toggle, ',')) {
            mEnabledToggles.push_back(toggle);
        }
        return true;
    }
    return false;
}

bool ToggleParser::ParseDisabledToggles(char* arg) {
    constexpr const char kDisableTogglesSwitch[] = "--disable-toggles=";
    size_t argLDis = sizeof(kDisableTogglesSwitch) - 1;
    if (DAWN_UNSAFE_TODO(strncmp(arg, kDisableTogglesSwitch, argLDis)) == 0) {
        std::string toggle;
        std::stringstream toggles(DAWN_UNSAFE_TODO(arg + argLDis));
        while (getline(toggles, toggle, ',')) {
            mDisabledToggles.push_back(toggle);
        }
        return true;
    }
    return false;
}

const std::vector<std::string>& ToggleParser::GetEnabledToggles() const {
    return mEnabledToggles;
}

const std::vector<std::string>& ToggleParser::GetDisabledToggles() const {
    return mDisabledToggles;
}