[1505] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * > www.orxonox.net < |
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| 4 | * |
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| 5 | * |
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| 6 | * License notice: |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License |
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| 10 | * as published by the Free Software Foundation; either version 2 |
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| 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 21 | * |
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| 22 | * Author: |
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| 23 | * Fabian 'x3n' Landau |
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| 24 | * Co-authors: |
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[6105] | 25 | * Reto Grieder |
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[1505] | 26 | * |
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| 27 | */ |
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| 28 | |
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| 29 | #include "Shell.h" |
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[3196] | 30 | |
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| 31 | #include "util/OutputHandler.h" |
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[6105] | 32 | #include "util/StringUtils.h" |
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| 33 | #include "util/SubString.h" |
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[7203] | 34 | #include "core/CoreIncludes.h" |
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| 35 | #include "core/ConfigFileManager.h" |
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| 36 | #include "core/ConfigValueIncludes.h" |
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[1505] | 37 | #include "CommandExecutor.h" |
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| 38 | #include "ConsoleCommand.h" |
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| 39 | |
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| 40 | namespace orxonox |
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| 41 | { |
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[7219] | 42 | _SetConsoleCommand("log", OutputHandler::log ); |
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| 43 | _SetConsoleCommand("error", OutputHandler::error ); |
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| 44 | _SetConsoleCommand("warning", OutputHandler::warning); |
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| 45 | _SetConsoleCommand("info", OutputHandler::info ); |
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| 46 | _SetConsoleCommand("debug", OutputHandler::debug ); |
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[1747] | 47 | |
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[6417] | 48 | Shell::Shell(const std::string& consoleName, bool bScrollable) |
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[6105] | 49 | : OutputListener(consoleName) |
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| 50 | , inputBuffer_(new InputBuffer()) |
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| 51 | , consoleName_(consoleName) |
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| 52 | , bScrollable_(bScrollable) |
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[1505] | 53 | { |
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| 54 | RegisterRootObject(Shell); |
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| 55 | |
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| 56 | this->scrollPosition_ = 0; |
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| 57 | this->maxHistoryLength_ = 100; |
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| 58 | this->historyPosition_ = 0; |
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| 59 | this->historyOffset_ = 0; |
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[6105] | 60 | this->bFinishedLastLine_ = true; |
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[1505] | 61 | |
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[6105] | 62 | this->clearOutput(); |
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[1755] | 63 | this->configureInputBuffer(); |
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[1505] | 64 | |
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[6417] | 65 | // Specify file for the command history |
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| 66 | ConfigFileManager::getInstance().setFilename(ConfigFileType::CommandHistory, "commandHistory.ini"); |
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[3280] | 67 | |
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[6417] | 68 | // Use a stringstream object to buffer the output |
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[6105] | 69 | this->outputStream_ = &this->outputBuffer_; |
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| 70 | |
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[1505] | 71 | this->setConfigValues(); |
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[1792] | 72 | |
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[6105] | 73 | // Get the previous output and add it to the Shell |
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| 74 | for (OutputHandler::OutputVectorIterator it = OutputHandler::getInstance().getOutputVectorBegin(); |
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| 75 | it != OutputHandler::getInstance().getOutputVectorEnd(); ++it) |
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| 76 | { |
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| 77 | if (it->first <= this->getSoftDebugLevel()) |
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| 78 | { |
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| 79 | this->outputBuffer_ << it->second; |
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| 80 | this->outputChanged(it->first); |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | // Register the shell as output listener |
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| 85 | OutputHandler::getInstance().registerOutputListener(this); |
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[1505] | 86 | } |
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| 87 | |
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[1755] | 88 | Shell::~Shell() |
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| 89 | { |
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[6105] | 90 | OutputHandler::getInstance().unregisterOutputListener(this); |
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| 91 | this->inputBuffer_->destroy(); |
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[1755] | 92 | } |
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| 93 | |
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[1505] | 94 | void Shell::setConfigValues() |
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| 95 | { |
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[6105] | 96 | SetConfigValue(maxHistoryLength_, 100) |
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[3280] | 97 | .callback(this, &Shell::commandHistoryLengthChanged); |
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[6105] | 98 | SetConfigValue(historyOffset_, 0) |
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[3280] | 99 | .callback(this, &Shell::commandHistoryOffsetChanged); |
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[6417] | 100 | setConfigValueGeneric(this, &commandHistory_, ConfigFileType::CommandHistory, "Shell", "commandHistory_", std::vector<std::string>()); |
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[6105] | 101 | |
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| 102 | #ifdef ORXONOX_RELEASE |
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| 103 | const unsigned int defaultLevel = 1; |
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| 104 | #else |
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| 105 | const unsigned int defaultLevel = 3; |
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| 106 | #endif |
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[7167] | 107 | SetConfigValueExternal(softDebugLevel_, "OutputHandler", "softDebugLevel" + this->consoleName_, defaultLevel) |
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[6105] | 108 | .description("The maximal level of debug output shown in the Shell"); |
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| 109 | this->setSoftDebugLevel(this->softDebugLevel_); |
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[1747] | 110 | } |
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[1505] | 111 | |
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[1747] | 112 | void Shell::commandHistoryOffsetChanged() |
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| 113 | { |
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[1505] | 114 | if (this->historyOffset_ >= this->maxHistoryLength_) |
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| 115 | this->historyOffset_ = 0; |
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[1747] | 116 | } |
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[1505] | 117 | |
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[1747] | 118 | void Shell::commandHistoryLengthChanged() |
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| 119 | { |
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| 120 | this->commandHistoryOffsetChanged(); |
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| 121 | |
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[1505] | 122 | while (this->commandHistory_.size() > this->maxHistoryLength_) |
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| 123 | { |
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| 124 | unsigned int index = this->commandHistory_.size() - 1; |
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| 125 | this->commandHistory_.erase(this->commandHistory_.begin() + index); |
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| 126 | ModifyConfigValue(commandHistory_, remove, index); |
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| 127 | } |
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| 128 | } |
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| 129 | |
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[1755] | 130 | void Shell::configureInputBuffer() |
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[1505] | 131 | { |
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| 132 | this->inputBuffer_->registerListener(this, &Shell::inputChanged, true); |
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[6105] | 133 | this->inputBuffer_->registerListener(this, &Shell::execute, '\r', false); |
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| 134 | this->inputBuffer_->registerListener(this, &Shell::execute, '\n', false); |
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| 135 | this->inputBuffer_->registerListener(this, &Shell::hintAndComplete, '\t', true); |
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| 136 | this->inputBuffer_->registerListener(this, &Shell::backspace, '\b', true); |
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| 137 | this->inputBuffer_->registerListener(this, &Shell::backspace, '\177', true); |
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| 138 | this->inputBuffer_->registerListener(this, &Shell::exit, '\033', true); // escape |
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| 139 | this->inputBuffer_->registerListener(this, &Shell::deleteChar, KeyCode::Delete); |
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| 140 | this->inputBuffer_->registerListener(this, &Shell::cursorRight, KeyCode::Right); |
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| 141 | this->inputBuffer_->registerListener(this, &Shell::cursorLeft, KeyCode::Left); |
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| 142 | this->inputBuffer_->registerListener(this, &Shell::cursorEnd, KeyCode::End); |
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| 143 | this->inputBuffer_->registerListener(this, &Shell::cursorHome, KeyCode::Home); |
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| 144 | this->inputBuffer_->registerListener(this, &Shell::historyUp, KeyCode::Up); |
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| 145 | this->inputBuffer_->registerListener(this, &Shell::historyDown, KeyCode::Down); |
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| 146 | if (this->bScrollable_) |
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| 147 | { |
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| 148 | this->inputBuffer_->registerListener(this, &Shell::scrollUp, KeyCode::PageUp); |
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| 149 | this->inputBuffer_->registerListener(this, &Shell::scrollDown, KeyCode::PageDown); |
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| 150 | } |
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| 151 | else |
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| 152 | { |
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| 153 | this->inputBuffer_->registerListener(this, &Shell::historySearchUp, KeyCode::PageUp); |
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| 154 | this->inputBuffer_->registerListener(this, &Shell::historySearchDown, KeyCode::PageDown); |
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| 155 | } |
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[1505] | 156 | } |
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| 157 | |
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[6105] | 158 | /* |
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[1505] | 159 | void Shell::history() |
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| 160 | { |
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| 161 | Shell& instance = Shell::getInstance(); |
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| 162 | |
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[3300] | 163 | for (unsigned int i = instance.historyOffset_; i < instance.commandHistory_.size(); ++i) |
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[6417] | 164 | instance.addOutput(instance.commandHistory_[i] + '\n', -1); |
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[3300] | 165 | for (unsigned int i = 0; i < instance.historyOffset_; ++i) |
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[6417] | 166 | instance.addOutput(instance.commandHistory_[i] + '\n', -1); |
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[1505] | 167 | } |
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[6105] | 168 | */ |
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[1505] | 169 | |
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| 170 | void Shell::registerListener(ShellListener* listener) |
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| 171 | { |
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[6105] | 172 | this->listeners_.push_back(listener); |
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[1505] | 173 | } |
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| 174 | |
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| 175 | void Shell::unregisterListener(ShellListener* listener) |
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| 176 | { |
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| 177 | for (std::list<ShellListener*>::iterator it = this->listeners_.begin(); it != this->listeners_.end(); ) |
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| 178 | { |
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| 179 | if ((*it) == listener) |
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[6105] | 180 | it = this->listeners_.erase(it); |
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[1505] | 181 | else |
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| 182 | ++it; |
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| 183 | } |
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| 184 | } |
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| 185 | |
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| 186 | void Shell::setCursorPosition(unsigned int cursor) |
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| 187 | { |
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| 188 | this->inputBuffer_->setCursorPosition(cursor); |
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[6105] | 189 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 190 | } |
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| 191 | |
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[6417] | 192 | void Shell::addOutput(const std::string& text, LineType type) |
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[1505] | 193 | { |
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[6417] | 194 | this->outputBuffer_ << text; |
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| 195 | this->outputChanged(type); |
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[1505] | 196 | } |
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| 197 | |
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[6105] | 198 | void Shell::clearOutput() |
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[1505] | 199 | { |
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[6105] | 200 | this->outputLines_.clear(); |
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| 201 | this->scrollIterator_ = this->outputLines_.begin(); |
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[1505] | 202 | |
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| 203 | this->scrollPosition_ = 0; |
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[6105] | 204 | this->bFinishedLastLine_ = true; |
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[1505] | 205 | |
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[6105] | 206 | this->updateListeners<&ShellListener::linesChanged>(); |
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[1505] | 207 | } |
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| 208 | |
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[6417] | 209 | Shell::LineList::const_iterator Shell::getNewestLineIterator() const |
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[1505] | 210 | { |
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| 211 | if (this->scrollPosition_) |
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| 212 | return this->scrollIterator_; |
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| 213 | else |
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[6105] | 214 | return this->outputLines_.begin(); |
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[1505] | 215 | } |
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| 216 | |
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[6417] | 217 | Shell::LineList::const_iterator Shell::getEndIterator() const |
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[1505] | 218 | { |
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[6105] | 219 | return this->outputLines_.end(); |
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[1505] | 220 | } |
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| 221 | |
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| 222 | void Shell::addToHistory(const std::string& command) |
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| 223 | { |
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[7191] | 224 | if (command == "") |
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| 225 | return; |
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| 226 | |
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| 227 | size_t previous_offset = mod(this->historyOffset_ - 1, this->maxHistoryLength_); |
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| 228 | if (previous_offset < this->commandHistory_.size() && command == this->commandHistory_[previous_offset]) |
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| 229 | return; |
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| 230 | |
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[1505] | 231 | ModifyConfigValue(commandHistory_, set, this->historyOffset_, command); |
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| 232 | this->historyPosition_ = 0; |
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| 233 | ModifyConfigValue(historyOffset_, set, (this->historyOffset_ + 1) % this->maxHistoryLength_); |
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| 234 | } |
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| 235 | |
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[6417] | 236 | const std::string& Shell::getFromHistory() const |
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[1505] | 237 | { |
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[3301] | 238 | unsigned int index = mod(static_cast<int>(this->historyOffset_) - static_cast<int>(this->historyPosition_), this->maxHistoryLength_); |
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[1505] | 239 | if (index < this->commandHistory_.size() && this->historyPosition_ != 0) |
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| 240 | return this->commandHistory_[index]; |
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| 241 | else |
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[6417] | 242 | return BLANKSTRING; |
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[1505] | 243 | } |
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| 244 | |
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[6417] | 245 | void Shell::outputChanged(int lineType) |
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[1505] | 246 | { |
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[6105] | 247 | bool newline = false; |
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[1505] | 248 | do |
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| 249 | { |
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[6105] | 250 | std::string output; |
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| 251 | std::getline(this->outputBuffer_, output); |
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[1505] | 252 | |
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[6105] | 253 | bool eof = this->outputBuffer_.eof(); |
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| 254 | bool fail = this->outputBuffer_.fail(); |
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| 255 | if (eof) |
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| 256 | this->outputBuffer_.flush(); |
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| 257 | if (eof || fail) |
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| 258 | this->outputBuffer_.clear(); |
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| 259 | newline = (!eof && !fail); |
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| 260 | |
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[6417] | 261 | if (!newline && output.empty()) |
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[1505] | 262 | break; |
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| 263 | |
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[6105] | 264 | if (this->bFinishedLastLine_) |
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[1505] | 265 | { |
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[6417] | 266 | this->outputLines_.push_front(std::make_pair(output, static_cast<LineType>(lineType))); |
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[1505] | 267 | |
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| 268 | if (this->scrollPosition_) |
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| 269 | this->scrollPosition_++; |
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| 270 | else |
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[6105] | 271 | this->scrollIterator_ = this->outputLines_.begin(); |
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[1505] | 272 | |
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[6105] | 273 | this->bFinishedLastLine_ = newline; |
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[1505] | 274 | |
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| 275 | if (!this->scrollPosition_) |
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[6105] | 276 | this->updateListeners<&ShellListener::lineAdded>(); |
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[1505] | 277 | } |
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| 278 | else |
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| 279 | { |
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[6417] | 280 | this->outputLines_.front().first += output; |
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[6105] | 281 | this->bFinishedLastLine_ = newline; |
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| 282 | this->updateListeners<&ShellListener::onlyLastLineChanged>(); |
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[1505] | 283 | } |
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[6417] | 284 | this->bFinishedLastLine_ = newline; |
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[1505] | 285 | |
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| 286 | } while (newline); |
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| 287 | } |
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| 288 | |
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[6105] | 289 | void Shell::clearInput() |
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| 290 | { |
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| 291 | this->inputBuffer_->clear(); |
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| 292 | this->historyPosition_ = 0; |
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| 293 | this->updateListeners<&ShellListener::inputChanged>(); |
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| 294 | this->updateListeners<&ShellListener::cursorChanged>(); |
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| 295 | } |
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| 296 | |
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| 297 | void Shell::setPromptPrefix(const std::string& str) |
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| 298 | { |
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| 299 | } |
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| 300 | |
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| 301 | |
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| 302 | // ########################################## |
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| 303 | // ### InputBuffer callback functions ### |
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| 304 | // ########################################## |
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| 305 | |
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[1505] | 306 | void Shell::inputChanged() |
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| 307 | { |
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[6105] | 308 | this->updateListeners<&ShellListener::inputChanged>(); |
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| 309 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 310 | } |
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| 311 | |
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| 312 | void Shell::execute() |
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| 313 | { |
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| 314 | this->addToHistory(this->inputBuffer_->get()); |
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[6105] | 315 | this->updateListeners<&ShellListener::executed>(); |
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[1505] | 316 | |
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[7189] | 317 | bool success; |
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| 318 | const std::string& result = CommandExecutor::query(this->inputBuffer_->get(), &success); |
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| 319 | if (!success) |
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[6417] | 320 | { |
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| 321 | this->outputBuffer_ << "Error: Can't execute \"" << this->inputBuffer_->get() << "\"." << std::endl; |
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| 322 | this->outputChanged(Error); |
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| 323 | } |
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[7189] | 324 | else if (result != "") |
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| 325 | { |
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| 326 | this->outputBuffer_ << result << std::endl; |
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| 327 | this->outputChanged(Command); |
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| 328 | } |
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[1505] | 329 | |
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[6105] | 330 | this->clearInput(); |
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[1505] | 331 | } |
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| 332 | |
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[6105] | 333 | void Shell::hintAndComplete() |
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[1505] | 334 | { |
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| 335 | this->inputBuffer_->set(CommandExecutor::complete(this->inputBuffer_->get())); |
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[6417] | 336 | this->outputBuffer_ << CommandExecutor::hint(this->inputBuffer_->get()) << std::endl; |
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| 337 | this->outputChanged(Hint); |
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[1505] | 338 | |
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| 339 | this->inputChanged(); |
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| 340 | } |
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| 341 | |
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| 342 | void Shell::backspace() |
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| 343 | { |
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| 344 | this->inputBuffer_->removeBehindCursor(); |
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[6105] | 345 | this->updateListeners<&ShellListener::inputChanged>(); |
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| 346 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 347 | } |
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| 348 | |
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[6105] | 349 | void Shell::exit() |
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[1505] | 350 | { |
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[6105] | 351 | if (this->inputBuffer_->getSize() > 0) |
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| 352 | { |
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| 353 | this->clearInput(); |
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| 354 | return; |
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| 355 | } |
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| 356 | |
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| 357 | this->clearInput(); |
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| 358 | this->scrollPosition_ = 0; |
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| 359 | this->scrollIterator_ = this->outputLines_.begin(); |
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| 360 | |
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| 361 | this->updateListeners<&ShellListener::exit>(); |
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[1505] | 362 | } |
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| 363 | |
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[6105] | 364 | void Shell::deleteChar() |
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[1505] | 365 | { |
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[6105] | 366 | this->inputBuffer_->removeAtCursor(); |
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| 367 | this->updateListeners<&ShellListener::inputChanged>(); |
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[1505] | 368 | } |
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| 369 | |
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[6105] | 370 | void Shell::cursorRight() |
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[1505] | 371 | { |
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| 372 | this->inputBuffer_->increaseCursor(); |
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[6105] | 373 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 374 | } |
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| 375 | |
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[6105] | 376 | void Shell::cursorLeft() |
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[1505] | 377 | { |
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| 378 | this->inputBuffer_->decreaseCursor(); |
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[6105] | 379 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 380 | } |
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| 381 | |
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[6105] | 382 | void Shell::cursorEnd() |
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[1505] | 383 | { |
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| 384 | this->inputBuffer_->setCursorToEnd(); |
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[6105] | 385 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 386 | } |
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| 387 | |
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[6105] | 388 | void Shell::cursorHome() |
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[1505] | 389 | { |
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| 390 | this->inputBuffer_->setCursorToBegin(); |
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[6105] | 391 | this->updateListeners<&ShellListener::cursorChanged>(); |
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[1505] | 392 | } |
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| 393 | |
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[6105] | 394 | void Shell::historyUp() |
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[1505] | 395 | { |
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| 396 | if (this->historyPosition_ < this->commandHistory_.size()) |
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| 397 | { |
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| 398 | this->historyPosition_++; |
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| 399 | this->inputBuffer_->set(this->getFromHistory()); |
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| 400 | } |
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| 401 | } |
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| 402 | |
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[6105] | 403 | void Shell::historyDown() |
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[1505] | 404 | { |
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| 405 | if (this->historyPosition_ > 0) |
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| 406 | { |
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| 407 | this->historyPosition_--; |
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| 408 | this->inputBuffer_->set(this->getFromHistory()); |
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| 409 | } |
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| 410 | } |
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| 411 | |
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[6105] | 412 | void Shell::historySearchUp() |
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[1505] | 413 | { |
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[6105] | 414 | if (this->historyPosition_ == this->historyOffset_) |
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| 415 | return; |
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| 416 | unsigned int cursorPosition = this->getCursorPosition(); |
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[6417] | 417 | const std::string& input_str(this->getInput().substr(0, cursorPosition)); // only search for the expression from the beginning of the inputline until the cursor position |
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[6105] | 418 | for (unsigned int newPos = this->historyPosition_ + 1; newPos <= this->historyOffset_; newPos++) |
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[1505] | 419 | { |
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[6105] | 420 | if (getLowercase(this->commandHistory_[this->historyOffset_ - newPos]).find(getLowercase(input_str)) == 0) // search case insensitive |
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| 421 | { |
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| 422 | this->historyPosition_ = newPos; |
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| 423 | this->inputBuffer_->set(this->getFromHistory()); |
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| 424 | this->setCursorPosition(cursorPosition); |
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| 425 | return; |
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| 426 | } |
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| 427 | } |
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| 428 | } |
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[1505] | 429 | |
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[6105] | 430 | void Shell::historySearchDown() |
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| 431 | { |
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| 432 | if (this->historyPosition_ == 0) |
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| 433 | return; |
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| 434 | unsigned int cursorPosition = this->getCursorPosition(); |
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[6417] | 435 | const std::string& input_str(this->getInput().substr(0, cursorPosition)); // only search for the expression from the beginning |
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[6105] | 436 | for (unsigned int newPos = this->historyPosition_ - 1; newPos > 0; newPos--) |
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| 437 | { |
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| 438 | if (getLowercase(this->commandHistory_[this->historyOffset_ - newPos]).find(getLowercase(input_str)) == 0) // sear$ |
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| 439 | { |
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| 440 | this->historyPosition_ = newPos; |
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| 441 | this->inputBuffer_->set(this->getFromHistory()); |
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| 442 | this->setCursorPosition(cursorPosition); |
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| 443 | return; |
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| 444 | } |
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[1505] | 445 | } |
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| 446 | } |
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| 447 | |
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[6105] | 448 | void Shell::scrollUp() |
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[1505] | 449 | { |
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[6105] | 450 | if (this->scrollIterator_ != this->outputLines_.end()) |
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[1505] | 451 | { |
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[6105] | 452 | ++this->scrollIterator_; |
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| 453 | ++this->scrollPosition_; |
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[1505] | 454 | |
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[6105] | 455 | this->updateListeners<&ShellListener::linesChanged>(); |
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[1505] | 456 | } |
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| 457 | } |
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| 458 | |
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[6105] | 459 | void Shell::scrollDown() |
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[1505] | 460 | { |
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[6105] | 461 | if (this->scrollIterator_ != this->outputLines_.begin()) |
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[1505] | 462 | { |
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[6105] | 463 | --this->scrollIterator_; |
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| 464 | --this->scrollPosition_; |
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| 465 | |
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| 466 | this->updateListeners<&ShellListener::linesChanged>(); |
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[1505] | 467 | } |
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| 468 | } |
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| 469 | } |
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