122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/*
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Copyright (c) 2019 yvt
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This file is part of OpenSpades.
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OpenSpades 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 3 of the License, or
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(at your option) any later version.
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OpenSpades 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 OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ConfigConsoleResponder.h"
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#include <Core/Debug.h>
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#include <Core/Settings.h>
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#include <Core/Strings.h>
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#include "ConsoleCommand.h"
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namespace spades {
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namespace gui {
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namespace {
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std::string EscapeQuotes(std::string s) { return Replace(s, "\"", "\\\""); }
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/** Equivalent to `std::string::starts_with` (since C++20) */
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bool StartsWith(const std::string &subject, const std::string &prefix) {
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if (subject.size() < prefix.size()) {
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return false;
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}
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for (std::size_t i = 0; i < prefix.size(); ++i) {
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if (subject[i] != prefix[i]) {
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return false;
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}
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}
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return true;
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}
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class ConfigNameIterator : public ConsoleCommandCandidateIterator {
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std::vector<std::string> const names;
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std::string query;
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std::size_t i = 0;
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ConsoleCommandCandidate current;
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void SkipUnknowns() {
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while (i < names.size()) {
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Settings::ItemHandle cvarHandle{names[i], nullptr};
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if (!cvarHandle.IsUnknown()) {
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break;
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}
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++i;
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}
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}
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public:
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ConfigNameIterator(const std::string &query)
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: names{Settings::GetInstance()->GetAllItemNames()}, query{query} {
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// Find the starting position
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i = std::lower_bound(names.begin(), names.end(), query) - names.begin();
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SkipUnknowns();
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}
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const ConsoleCommandCandidate &GetCurrent() override { return current; }
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bool MoveNext() override {
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if (i >= names.size() || !StartsWith(names[i], query)) {
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return false;
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}
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// Create `ConsoleCommandCandidate` for the current
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// config variable
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Settings::ItemHandle cvarHandle{names[i], nullptr};
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current.name = names[i];
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current.description = " = \"" + EscapeQuotes(cvarHandle) + "\"";
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i += 1;
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SkipUnknowns();
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return true;
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}
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};
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} // namespace
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bool ConfigConsoleResponder::ExecCommand(const Handle<ConsoleCommand> &cmd) {
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SPADES_MARK_FUNCTION();
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Settings::ItemHandle cvarHandle{cmd->GetName(), nullptr};
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if (cvarHandle.IsUnknown()) {
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return false;
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}
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if (cmd->GetNumArguments() == 0) {
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// Display the current value
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SPLog("%s = \"%s\"", cmd->GetName().c_str(), EscapeQuotes(cvarHandle).c_str());
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} else if (cmd->GetNumArguments() == 1) {
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// Set a new value
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const std::string &newValue = cmd->GetArgument(0);
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SPLog("%s = \"%s\" (previously \"%s\")", cmd->GetName().c_str(),
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EscapeQuotes(newValue).c_str(), EscapeQuotes(cvarHandle).c_str());
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cvarHandle = newValue;
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} else {
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SPLog("Invalid number of arguments (Maybe you meant something "
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"like 'varname \"value1 value2\"'?)");
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}
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return true;
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}
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Handle<ConsoleCommandCandidateIterator>
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ConfigConsoleResponder::AutocompleteCommandName(const std::string &name) {
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return {new ConfigNameIterator(name), false};
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}
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} // namespace gui
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} // namespace spades
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