67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef SETTINGS_H
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#define SETTINGS_H
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#include <boost/lexical_cast.hpp>
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#include "log.h"
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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class Settings
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{
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public:
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explicit Settings(Context *ctx) : ctx(ctx) {}
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template <typename T> T get(const char *name, T defaultValue)
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{
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try {
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IdString id = ctx->id(name);
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if (ctx->settings.find(id) != ctx->settings.end())
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return boost::lexical_cast<T>(ctx->settings.find(id)->second.str);
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else
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ctx->settings[ctx->id(name)] = std::to_string(defaultValue);
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} catch (boost::bad_lexical_cast &) {
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log_error("Problem reading setting %s, using default value\n", name);
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}
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return defaultValue;
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}
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template <typename T> void set(const char *name, T value);
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private:
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Context *ctx;
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};
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template <typename T> inline void Settings::set(const char *name, T value)
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{
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ctx->settings[ctx->id(name)] = std::to_string(value);
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}
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template <> inline void Settings::set<std::string>(const char *name, std::string value)
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{
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ctx->settings[ctx->id(name)] = value;
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}
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NEXTPNR_NAMESPACE_END
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#endif // SETTINGS_H
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