mirror of
https://github.com/OPM/opm-simulators.git
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98b33d582f
allows putting it in translation unit
692 lines
22 KiB
C++
692 lines
22 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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// vi: set et ts=4 sw=4 sts=4:
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/*
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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Consult the COPYING file in the top-level source directory of this
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module for the precise wording of the license and the list of
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copyright holders.
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*/
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/*!
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* \file
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*
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* \brief This file provides the infrastructure to retrieve run-time parameters
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*
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* Internally, runtime parameters are implemented using
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* Dune::ParameterTree with the default value taken from the parameter
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* definition.
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*/
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#include <config.h>
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#include <opm/models/utils/parametersystem.hpp>
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namespace {
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std::string parseKey(std::string& s)
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{
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unsigned i;
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for (i = 0; i < s.size(); ++ i)
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if (std::isspace(s[i]) || s[i] == '=')
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break;
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std::string ret = s.substr(0, i);
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s = s.substr(i);
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return ret;
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}
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std::string parseQuotedValue(std::string& s, const std::string& errorPrefix)
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{
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if (s.empty() || s[0] != '"')
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throw std::runtime_error(errorPrefix+"Expected quoted string");
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std::string result;
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unsigned i = 1;
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for (; i < s.size(); ++i) {
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// handle escape characters
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if (s[i] == '\\') {
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++ i;
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if (s.size() <= i)
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throw std::runtime_error(errorPrefix+"Unexpected end of quoted string");
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if (s[i] == 'n')
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result += '\n';
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else if (s[i] == 'r')
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result += '\r';
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else if (s[i] == 't')
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result += '\t';
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else if (s[i] == '"')
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result += '"';
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else if (s[i] == '\\')
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result += '\\';
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else
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throw std::runtime_error(errorPrefix+"Unknown escape character '\\" + s[i] + "'");
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}
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else if (s[i] == '"')
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break;
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else
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result += s[i];
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}
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s = s.substr(i+1);
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return result;
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}
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std::string parseUnquotedValue(std::string& s, const std::string&)
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{
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unsigned i;
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for (i = 0; i < s.size(); ++ i)
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if (std::isspace(s[i]))
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break;
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std::string ret = s.substr(0, i);
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s = s.substr(i);
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return ret;
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}
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void removeLeadingSpace(std::string& s)
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{
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unsigned i;
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for (i = 0; i < s.size(); ++ i)
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if (!std::isspace(s[i]))
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break;
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s = s.substr(i);
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}
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std::string transformKey(const std::string& s,
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bool capitalizeFirstLetter,
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const std::string& errorPrefix = "")
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{
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std::string result;
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if (s.empty())
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throw std::runtime_error(errorPrefix+"Empty parameter names are invalid");
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if (!std::isalpha(s[0]))
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throw std::runtime_error(errorPrefix+"Parameter name '" + s + "' is invalid: First character must be a letter");
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if (capitalizeFirstLetter)
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result += static_cast<char>(std::toupper(s[0]));
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else
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result += s[0];
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for (unsigned i = 1; i < s.size(); ++i) {
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if (s[i] == '-') {
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++ i;
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if (s.size() <= i || !std::isalpha(s[i]))
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throw std::runtime_error(errorPrefix+"Invalid parameter name '" + s + "'");
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result += static_cast<char>(std::toupper(s[i]));
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}
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else if (!std::isalnum(s[i]))
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throw std::runtime_error(errorPrefix+"Invalid parameter name '" + s + "'");
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else
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result += s[i];
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}
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return result;
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}
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} // anonymous namespace
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namespace Opm::Parameters {
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namespace detail {
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void Hide_(const std::string& paramName)
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{
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if (!MetaData::registrationOpen()) {
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throw std::logic_error("Parameter '" + paramName + "' declared as hidden"
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" when parameter registration was already closed.");
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}
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auto paramInfoIt = MetaData::mutableRegistry().find(paramName);
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if (paramInfoIt == MetaData::mutableRegistry().end()) {
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throw std::logic_error("Tried to declare unknown parameter '"
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+ paramName + "' hidden.");
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}
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auto& paramInfo = paramInfoIt->second;
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paramInfo.isHidden = true;
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}
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void Register_(const std::string& paramName,
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const std::string& paramTypeName,
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const std::string& defaultValue,
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const char* usageString)
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{
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if (!MetaData::registrationOpen()) {
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throw std::logic_error("Parameter registration was already closed before "
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"the parameter '" + paramName + "' was registered.");
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}
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ParamInfo paramInfo;
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paramInfo.paramName = paramName;
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paramInfo.paramTypeName = paramTypeName;
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paramInfo.usageString = usageString;
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paramInfo.defaultValue = defaultValue;
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paramInfo.isHidden = false;
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if (MetaData::registry().find(paramName) != MetaData::registry().end()) {
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// allow to register a parameter twice, but only if the
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// parameter name, type and usage string are exactly the same.
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if (MetaData::registry().at(paramName) == paramInfo) {
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return;
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}
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throw std::logic_error("Parameter " + paramName
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+" registered twice with non-matching characteristics.");
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}
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MetaData::mutableRegistry()[paramName] = paramInfo;
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}
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}
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bool ParamInfo::operator==(const ParamInfo& other) const
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{
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return other.paramName == paramName
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&& other.paramTypeName == paramTypeName
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&& other.typeTagName == typeTagName
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&& other.usageString == usageString;
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}
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std::string breakLines(const std::string& msg,
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int indentWidth,
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int maxWidth)
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{
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std::string result;
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int startInPos = 0;
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int inPos = 0;
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int lastBreakPos = 0;
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int ttyPos = 0;
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for (; inPos < int(msg.size()); ++ inPos, ++ ttyPos) {
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if (msg[inPos] == '\n') {
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result += msg.substr(startInPos, inPos - startInPos + 1);
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startInPos = inPos + 1;
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lastBreakPos = startInPos + 1;
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// we need to use -1 here because ttyPos is incremented after the loop body
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ttyPos = -1;
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continue;
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}
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if (std::isspace(msg[inPos]))
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lastBreakPos = inPos;
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if (ttyPos >= maxWidth) {
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if (lastBreakPos > startInPos) {
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result += msg.substr(startInPos, lastBreakPos - startInPos);
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startInPos = lastBreakPos + 1;
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lastBreakPos = startInPos;
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inPos = startInPos;
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}
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else {
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result += msg.substr(startInPos, inPos - startInPos);
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startInPos = inPos;
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lastBreakPos = startInPos;
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inPos = startInPos;
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}
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result += "\n";
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for (int i = 0; i < indentWidth; ++i)
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result += " ";
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ttyPos = indentWidth;
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}
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}
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result += msg.substr(startInPos);
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return result;
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}
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void reset()
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{
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MetaData::clear();
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}
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void endRegistration()
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{
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if (!MetaData::registrationOpen()) {
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throw std::logic_error("Parameter registration was already closed. It is only possible "
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"to close it once.");
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}
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MetaData::registrationOpen() = false;
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// loop over all parameters and retrieve their values to make sure
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// that there is no syntax error
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for (const auto& param : MetaData::registrationFinalizers()) {
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param->retrieve();
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}
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MetaData::registrationFinalizers().clear();
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}
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void printParamUsage(std::ostream& os, const ParamInfo& paramInfo)
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{
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std::string paramMessage, paramType, paramDescription;
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int ttyWidth = getTtyWidth();
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// convert the CamelCase name to a command line --parameter-name.
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std::string cmdLineName = "-";
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const std::string camelCaseName = paramInfo.paramName;
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for (unsigned i = 0; i < camelCaseName.size(); ++i) {
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if (isupper(camelCaseName[i]))
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cmdLineName += "-";
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cmdLineName += static_cast<char>(std::tolower(camelCaseName[i]));
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}
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// assemble the printed output
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paramMessage = " ";
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paramMessage += cmdLineName;
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// add the =VALUE_TYPE part
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bool isString = false;
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if (paramInfo.paramTypeName == Dune::className<std::string>()
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|| paramInfo.paramTypeName == "const char *")
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{
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paramMessage += "=STRING";
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isString = true;
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}
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else if (paramInfo.paramTypeName == Dune::className<float>()
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|| paramInfo.paramTypeName == Dune::className<double>()
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|| paramInfo.paramTypeName == Dune::className<long double>()
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#if HAVE_QUAD
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|| paramInfo.paramTypeName == Dune::className<quad>()
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#endif // HAVE_QUAD
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)
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paramMessage += "=SCALAR";
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else if (paramInfo.paramTypeName == Dune::className<int>()
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|| paramInfo.paramTypeName == Dune::className<unsigned int>()
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|| paramInfo.paramTypeName == Dune::className<short>()
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|| paramInfo.paramTypeName == Dune::className<unsigned short>())
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paramMessage += "=INTEGER";
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else if (paramInfo.paramTypeName == Dune::className<bool>())
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paramMessage += "=BOOLEAN";
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else if (paramInfo.paramTypeName.empty()) {
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// the parameter is a flag. Do nothing!
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}
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else {
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// unknown type
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paramMessage += "=VALUE";
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}
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// fill up the up help string to the 50th character
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paramMessage += " ";
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while (paramMessage.size() < 50)
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paramMessage += " ";
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// append the parameter usage string.
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paramMessage += paramInfo.usageString;
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// add the default value
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if (!paramInfo.paramTypeName.empty()) {
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if (paramMessage.back() != '.')
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paramMessage += '.';
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paramMessage += " Default: ";
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if (paramInfo.paramTypeName == "bool") {
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if (paramInfo.defaultValue == "0")
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paramMessage += "false";
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else
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paramMessage += "true";
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}
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else if (isString) {
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paramMessage += "\"";
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paramMessage += paramInfo.defaultValue;
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paramMessage += "\"";
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}
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else
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paramMessage += paramInfo.defaultValue;
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}
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paramMessage = breakLines(paramMessage, /*indent=*/52, ttyWidth);
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paramMessage += "\n";
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// print everything
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os << paramMessage;
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}
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void getFlattenedKeyList(std::list<std::string>& dest,
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const Dune::ParameterTree& tree,
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const std::string& prefix)
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{
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// add the keys of the current sub-structure
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for (const auto& valueKey : tree.getValueKeys()) {
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std::string newKey(prefix + valueKey);
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dest.push_back(newKey);
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}
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// recursively add all substructure keys
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for (const auto& subKey : tree.getSubKeys()) {
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std::string newPrefix(prefix + subKey + '.');
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getFlattenedKeyList(dest, tree.sub(subKey), newPrefix);
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}
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}
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// print the values of a list of parameters
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void printParamList(std::ostream& os,
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const std::list<std::string>& keyList,
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bool printDefaults)
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{
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const Dune::ParameterTree& tree = MetaData::tree();
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for (const auto& key : keyList) {
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const auto& paramInfo = MetaData::registry().at(key);
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const std::string& defaultValue = paramInfo.defaultValue;
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std::string value = defaultValue;
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if (tree.hasKey(key))
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value = tree.get(key, "");
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os << key << "=\"" << value << "\"";
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if (printDefaults)
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os << " # default: \"" << defaultValue << "\"";
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os << "\n";
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}
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}
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void printUsage(const std::string& helpPreamble,
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const std::string& errorMsg,
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std::ostream& os,
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const bool showAll)
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{
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if (!errorMsg.empty()) {
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os << errorMsg << "\n\n";
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}
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os << breakLines(helpPreamble, /*indent=*/2, /*maxWidth=*/getTtyWidth());
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os << "\n";
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os << "Recognized options:\n";
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if (!helpPreamble.empty()) {
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ParamInfo pInfo;
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pInfo.paramName = "h,--help";
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pInfo.usageString = "Print this help message and exit";
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printParamUsage(os, pInfo);
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pInfo.paramName = "-help-all";
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pInfo.usageString = "Print all parameters, including obsolete, hidden and deprecated ones.";
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printParamUsage(os, pInfo);
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}
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for (const auto& param : MetaData::registry()) {
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if (showAll || !param.second.isHidden)
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printParamUsage(os, param.second);
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}
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}
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int noPositionalParameters_(std::function<void(const std::string&, const std::string&)>,
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std::set<std::string>&,
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std::string& errorMsg,
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int,
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const char** argv,
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int paramIdx,
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int)
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{
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errorMsg = std::string("Illegal parameter \"")+argv[paramIdx]+"\".";
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return 0;
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}
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void parseParameterFile(const std::string& fileName, bool overwrite)
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{
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std::set<std::string> seenKeys;
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std::ifstream ifs(fileName);
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unsigned curLineNum = 0;
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while (ifs) {
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// string and file processing in c++ is quite blunt!
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std::string curLine;
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std::getline(ifs, curLine);
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curLineNum += 1;
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std::string errorPrefix = fileName+":"+std::to_string(curLineNum)+": ";
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// strip leading white space
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removeLeadingSpace(curLine);
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// ignore empty and comment lines
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if (curLine.empty() || curLine[0] == '#' || curLine[0] == ';')
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continue;
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// TODO (?): support for parameter groups.
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// find the "key" of the key=value pair
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std::string key = parseKey(curLine);
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std::string canonicalKey = transformKey(key, /*capitalizeFirst=*/true, errorPrefix);
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if (seenKeys.count(canonicalKey) > 0)
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throw std::runtime_error(errorPrefix+"Parameter '"+canonicalKey+"' seen multiple times in the same file");
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seenKeys.insert(canonicalKey);
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// deal with the equals sign
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removeLeadingSpace(curLine);
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if (curLine.empty() || curLine[0] != '=')
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std::runtime_error(errorPrefix+"Syntax error, expecting 'key=value'");
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curLine = curLine.substr(1);
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removeLeadingSpace(curLine);
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if (curLine.empty() || curLine[0] == '#' || curLine[0] == ';')
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std::runtime_error(errorPrefix+"Syntax error, expecting 'key=value'");
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// get the value
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std::string value;
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if (curLine[0] == '"')
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value = parseQuotedValue(curLine, errorPrefix);
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else
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value = parseUnquotedValue(curLine, errorPrefix);
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// ignore trailing comments
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removeLeadingSpace(curLine);
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if (!curLine.empty() && curLine[0] != '#' && curLine[0] != ';')
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std::runtime_error(errorPrefix+"Syntax error, expecting 'key=value'");
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// all went well, add the parameter to the database object
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if (overwrite || !MetaData::tree().hasKey(canonicalKey)) {
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MetaData::tree()[canonicalKey] = value;
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}
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}
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}
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std::string parseCommandLineOptions(int argc,
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const char **argv,
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const std::string& helpPreamble,
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const PositionalArgumentCallback& posArgCallback)
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{
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// handle the "--help" parameter
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if (!helpPreamble.empty()) {
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for (int i = 1; i < argc; ++i) {
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if (std::string("-h") == argv[i]
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|| std::string("--help") == argv[i]) {
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printUsage(helpPreamble, /*errorMsg=*/"", std::cout);
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return "Help called";
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}
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if (std::string("--help-all") == argv[i]) {
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printUsage(helpPreamble, /*errorMsg=*/"", std::cout, true);
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return "Help called";
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}
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}
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}
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std::set<std::string> seenKeys;
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int numPositionalParams = 0;
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for (int i = 1; i < argc; ++i) {
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// All non-positional command line options need to start with '-'
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if (strlen(argv[i]) < 4
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|| argv[i][0] != '-'
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|| argv[i][1] != '-')
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{
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std::string errorMsg;
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int numHandled = posArgCallback([](const std::string& k, const std::string& v)
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{
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MetaData::tree()[k] = v;
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}, seenKeys, errorMsg,
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argc, argv, i, numPositionalParams);
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if (numHandled < 1) {
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std::ostringstream oss;
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if (!helpPreamble.empty())
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printUsage(helpPreamble, errorMsg, std::cerr);
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return errorMsg;
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|
}
|
|
else {
|
|
++ numPositionalParams;
|
|
i += numHandled - 1;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
std::string paramName, paramValue;
|
|
|
|
// read a --my-opt=abc option. This gets transformed
|
|
// into the parameter "MyOpt" with the value being
|
|
// "abc"
|
|
|
|
// There is nothing after the '-'
|
|
if (argv[i][2] == 0 || !std::isalpha(argv[i][2])) {
|
|
std::ostringstream oss;
|
|
oss << "Parameter name of argument " << i
|
|
<< " ('" << argv[i] << "') "
|
|
<< "is invalid because it does not start with a letter.";
|
|
|
|
if (!helpPreamble.empty())
|
|
printUsage(helpPreamble, oss.str(), std::cerr);
|
|
|
|
return oss.str();
|
|
}
|
|
|
|
// copy everything after the "--" into a separate string
|
|
std::string s(argv[i] + 2);
|
|
|
|
// parse argument
|
|
paramName = transformKey(parseKey(s), /*capitalizeFirst=*/true);
|
|
if (seenKeys.count(paramName) > 0) {
|
|
std::string msg =
|
|
std::string("Parameter '")+paramName+"' specified multiple times as a "
|
|
"command line parameter";
|
|
|
|
if (!helpPreamble.empty())
|
|
printUsage(helpPreamble, msg, std::cerr);
|
|
return msg;
|
|
}
|
|
seenKeys.insert(paramName);
|
|
|
|
if (s.empty() || s[0] != '=') {
|
|
std::string msg =
|
|
std::string("Parameter '")+paramName+"' is missing a value. "
|
|
+" Please use "+argv[i]+"=value.";
|
|
|
|
if (!helpPreamble.empty())
|
|
printUsage(helpPreamble, msg, std::cerr);
|
|
return msg;
|
|
}
|
|
|
|
paramValue = s.substr(1);
|
|
|
|
// Put the key=value pair into the parameter tree
|
|
MetaData::tree()[paramName] = paramValue;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
void printValues(std::ostream& os)
|
|
{
|
|
std::list<std::string> runTimeAllKeyList;
|
|
std::list<std::string> runTimeKeyList;
|
|
std::list<std::string> unknownKeyList;
|
|
|
|
getFlattenedKeyList(runTimeAllKeyList, MetaData::tree());
|
|
for (const auto& key : runTimeAllKeyList) {
|
|
if (MetaData::registry().find(key) == MetaData::registry().end()) {
|
|
// key was not registered by the program!
|
|
unknownKeyList.push_back(key);
|
|
}
|
|
else {
|
|
// the key was specified at run-time
|
|
runTimeKeyList.push_back(key);
|
|
}
|
|
}
|
|
|
|
// loop over all registered parameters
|
|
std::list<std::string> compileTimeKeyList;
|
|
for (const auto& reg : MetaData::registry()) {
|
|
// check whether the key was specified at run-time
|
|
if (MetaData::tree().hasKey(reg.first)) {
|
|
continue;
|
|
} else {
|
|
compileTimeKeyList.push_back(reg.first);
|
|
}
|
|
}
|
|
|
|
// report the values of all registered (and unregistered)
|
|
// parameters
|
|
if (runTimeKeyList.size() > 0) {
|
|
os << "# [known parameters which were specified at run-time]\n";
|
|
printParamList(os, runTimeKeyList, /*printDefaults=*/true);
|
|
}
|
|
|
|
if (compileTimeKeyList.size() > 0) {
|
|
os << "# [parameters which were specified at compile-time]\n";
|
|
printParamList(os, compileTimeKeyList, /*printDefaults=*/false);
|
|
}
|
|
|
|
if (unknownKeyList.size() > 0) {
|
|
os << "# [unused run-time specified parameters]\n";
|
|
for (const auto& unused : unknownKeyList) {
|
|
os << unused << "=\"" << MetaData::tree().get(unused, "") << "\"\n" << std::flush;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool printUnused(std::ostream& os)
|
|
{
|
|
std::list<std::string> runTimeAllKeyList;
|
|
std::list<std::string> unknownKeyList;
|
|
|
|
getFlattenedKeyList(runTimeAllKeyList, MetaData::tree());
|
|
for (const auto& key : runTimeAllKeyList) {
|
|
if (MetaData::registry().find(key) == MetaData::registry().end()) {
|
|
// key was not registered by the program!
|
|
unknownKeyList.push_back(key);
|
|
}
|
|
}
|
|
|
|
if (unknownKeyList.size() > 0) {
|
|
os << "# [unused run-time specified parameters]\n";
|
|
for (const auto& unused : unknownKeyList) {
|
|
os << unused << "=\""
|
|
<< MetaData::tree().get(unused, "") << "\"\n" << std::flush;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int getTtyWidth()
|
|
{
|
|
int ttyWidth = 10*1000; // effectively do not break lines at all.
|
|
if (isatty(STDOUT_FILENO)) {
|
|
#if defined TIOCGWINSZ
|
|
// This is a bit too linux specific, IMO. let's do it anyway
|
|
struct winsize ttySize;
|
|
ioctl(STDOUT_FILENO, TIOCGWINSZ, &ttySize);
|
|
ttyWidth = std::max<int>(80, ttySize.ws_col);
|
|
#else
|
|
// default for systems that do not implement the TIOCGWINSZ ioctl
|
|
ttyWidth = 100;
|
|
#endif
|
|
}
|
|
|
|
return ttyWidth;
|
|
}
|
|
|
|
} // namespace Opm::Parameters
|