[4744] | 1 | /* |
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[1853] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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[1855] | 10 | |
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| 11 | ### File Specific: |
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[5068] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[7374] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_SHELL |
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[1853] | 17 | |
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[5129] | 18 | #include "shell_command.h" |
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[5639] | 19 | #include "shell_command_class.h" |
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[1853] | 20 | |
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[6222] | 21 | #include "compiler.h" |
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[5129] | 22 | #include "debug.h" |
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[5113] | 23 | #include "class_list.h" |
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| 24 | |
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| 25 | #include "key_names.h" |
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[5075] | 26 | |
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[7374] | 27 | namespace OrxShell |
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[3365] | 28 | { |
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[7394] | 29 | SHELL_COMMAND_STATIC(debug, ShellCommand, ShellCommand::debug); |
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[5141] | 30 | |
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[7394] | 31 | |
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[7374] | 32 | /** |
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[7394] | 33 | * @brief constructs and registers a new Command |
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[7374] | 34 | * @param commandName the name of the Command |
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| 35 | * @param className the name of the class to apply this command to |
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| 36 | * @param paramCount the count of parameters this command takes |
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| 37 | */ |
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| 38 | ShellCommand::ShellCommand(const std::string& commandName, const std::string& className, const Executor& executor) |
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| 39 | { |
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| 40 | this->setClassID(CL_SHELL_COMMAND, "ShellCommand"); |
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| 41 | PRINTF(5)("create shellcommand %s %s\n", commandName, className); |
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| 42 | this->setName(commandName); |
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[7398] | 43 | |
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| 44 | // copy the executor: |
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[7374] | 45 | this->executor = executor.clone(); |
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| 46 | this->executor->setName(commandName); |
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[7398] | 47 | |
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[7407] | 48 | for (unsigned int i = 0; i < this->executor->getParamCount(); i++) |
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| 49 | this->completors.push_back(new CompletorDefault(&this->executor->getDefaultValue(i))); |
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[7388] | 50 | this->alias = NULL; |
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[4320] | 51 | |
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[7374] | 52 | // this->classID = classID; |
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[7408] | 53 | this->shellClass = ShellCommandClass::acquireCommandClass(className); |
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[7398] | 54 | assert (this->shellClass != NULL); |
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[7399] | 55 | this->shellClass->registerCommand(this); |
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[7374] | 56 | } |
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| 57 | |
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| 58 | /** |
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[7394] | 59 | * @brief deconstructs a ShellCommand |
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[7374] | 60 | */ |
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| 61 | ShellCommand::~ShellCommand() |
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[5196] | 62 | { |
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[7399] | 63 | this->shellClass->unregisterCommand(this); |
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[7389] | 64 | if (this->alias != NULL) |
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[7374] | 65 | delete this->alias; |
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[7407] | 66 | while (!this->completors.empty()) |
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| 67 | { |
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| 68 | delete this->completors.back(); |
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| 69 | this->completors.pop_back(); |
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| 70 | } |
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[7374] | 71 | delete this->executor; |
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[5196] | 72 | } |
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[1853] | 73 | |
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[7374] | 74 | /** |
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[7398] | 75 | * @brief registers a new ShellCommand |
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[7374] | 76 | */ |
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| 77 | ShellCommand* ShellCommand::registerCommand(const std::string& commandName, const std::string& className, const Executor& executor) |
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| 78 | { |
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[7403] | 79 | if (ShellCommand::exists(commandName, className)) |
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[7374] | 80 | return NULL; |
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| 81 | else |
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| 82 | return new ShellCommand(commandName, className, executor); |
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[5636] | 83 | |
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[7374] | 84 | } |
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[5636] | 85 | |
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[7374] | 86 | /** |
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[7398] | 87 | * @brief unregister an existing commandName |
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[7374] | 88 | * @param className the name of the Class the command belongs to. |
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| 89 | * @param commandName the name of the command itself |
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| 90 | */ |
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| 91 | void ShellCommand::unregisterCommand(const std::string& commandName, const std::string& className) |
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| 92 | { |
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[5171] | 93 | |
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[7408] | 94 | ShellCommandClass* cmdClass = ShellCommandClass::acquireCommandClass(className); |
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[7399] | 95 | if (cmdClass != NULL) |
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| 96 | { |
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| 97 | std::vector<ShellCommand*>::iterator cmd; |
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| 98 | for (cmd = cmdClass->commandList.begin(); cmd < cmdClass->commandList.end(); cmd++) |
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| 99 | if (commandName == (*cmd)->getName()) |
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| 100 | delete (*cmd); |
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| 101 | } |
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[5113] | 102 | } |
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[5105] | 103 | |
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[7413] | 104 | /** |
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| 105 | * @brief gets a command if it has already been registered. |
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| 106 | * @param commandName the name of the Command |
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| 107 | * @param cmdClass the CommandClass of the Class the command is in. |
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| 108 | * @returns The Registered Command, or NULL if it does not exist. |
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| 109 | */ |
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| 110 | const ShellCommand* const ShellCommand::getCommand(const std::string& commandName, const ShellCommandClass* cmdClass) |
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| 111 | { |
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| 112 | assert(cmdClass != NULL); |
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[7408] | 113 | |
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[7413] | 114 | std::vector<ShellCommand*>::const_iterator elem; |
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| 115 | for (elem = cmdClass->commandList.begin(); elem != cmdClass->commandList.end(); elem++) |
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| 116 | if (commandName == (*elem)->getName()) |
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| 117 | return (*elem); |
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| 118 | return NULL; |
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| 119 | } |
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| 120 | |
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| 121 | |
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[7374] | 122 | /** |
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[7408] | 123 | * @brief gets a command if it has already been registered. |
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[7374] | 124 | * @param commandName the name of the Command |
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[7413] | 125 | * @param className the name of the Class the command is in. |
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[7408] | 126 | * @returns The Registered Command, or NULL if it does not exist. |
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[7374] | 127 | */ |
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[7408] | 128 | const ShellCommand* const ShellCommand::getCommand(const std::string& commandName, const std::string& className) |
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[5113] | 129 | { |
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[7408] | 130 | const ShellCommandClass* checkClass = ShellCommandClass::getCommandClass(className); |
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[7403] | 131 | if (likely(checkClass != NULL)) |
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[7413] | 132 | return ShellCommand::getCommand(commandName, checkClass); |
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| 133 | return NULL; |
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| 134 | } |
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| 135 | |
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| 136 | /** |
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| 137 | * @brief takes out an InputLine, searching for a Command. |
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[7414] | 138 | * @see const ShellCommand* const ShellCommand::getCommandFromInput(const SubString& strings) |
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[7413] | 139 | * @param inputLine: the Input to analyse. |
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[7414] | 140 | * @param paramBegin: The begin of the Splitted SubStrings entry of the Parameters section. |
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[7413] | 141 | * @returns: The ShellCommand if found. |
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| 142 | */ |
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[7414] | 143 | const ShellCommand* const ShellCommand::getCommandFromInput(const std::string& inputLine, unsigned int& paramBegin) |
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[7413] | 144 | { |
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[7414] | 145 | ShellCommand::getCommandFromInput(SubString(inputLine, SubString::WhiteSpaces), paramBegin); |
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| 146 | } |
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| 147 | |
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| 148 | /** |
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| 149 | * @brief takes out an InputLine, searching for a Command. |
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| 150 | * @param strings: the Input to analyse. |
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| 151 | * @param paramBegin: The begin of the Splitted SubStrings entry of the Parameters section. |
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| 152 | * @returns: The ShellCommand if found. |
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| 153 | */ |
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| 154 | const ShellCommand* const ShellCommand::getCommandFromInput(const SubString& strings, unsigned int& paramBegin) |
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| 155 | { |
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[7413] | 156 | // no input, no Command. |
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| 157 | if (strings.size() == 0) |
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[7414] | 158 | { |
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| 159 | paramBegin = 0; |
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[7413] | 160 | return NULL; |
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[7414] | 161 | } |
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[7413] | 162 | |
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| 163 | // CHECK FOR ALIAS |
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| 164 | std::vector<ShellCommandAlias*>::const_iterator alias; |
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| 165 | for (alias = ShellCommandAlias::getAliases().begin(); alias != ShellCommandAlias::getAliases().end(); alias++ ) |
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[7374] | 166 | { |
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[7413] | 167 | if (strings[0] == (*alias)->getName()) |
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| 168 | { |
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| 169 | assert ((*alias)->getCommand() != NULL && (*alias)->getCommand()->shellClass != NULL); |
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| 170 | return (*alias)->getCommand(); |
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| 171 | } |
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[5779] | 172 | } |
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[7413] | 173 | |
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| 174 | const ShellCommandClass* cmdClass = ShellCommandClass::getCommandClass(strings[0]); |
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| 175 | if (cmdClass != NULL) |
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| 176 | { |
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| 177 | const ShellCommand* retCmd; |
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| 178 | if (strings.size() >= 1) |
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[7414] | 179 | { |
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[7413] | 180 | retCmd = ShellCommand::getCommand(strings[1], cmdClass); |
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[7414] | 181 | paramBegin = 2; |
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| 182 | } |
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[7413] | 183 | if (retCmd == NULL && strings.size() >= 2) |
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[7414] | 184 | { |
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[7413] | 185 | retCmd = ShellCommand::getCommand(strings[2], cmdClass); |
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[7414] | 186 | paramBegin = 3; |
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| 187 | } |
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| 188 | if (retCmd != NULL) // check for the paramBegin. |
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| 189 | return retCmd; |
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[7413] | 190 | } |
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[7414] | 191 | paramBegin = 0; |
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| 192 | return NULL; |
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[5113] | 193 | } |
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| 194 | |
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[7413] | 195 | |
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[7408] | 196 | /** |
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| 197 | * @brief checks if a command has already been registered. |
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| 198 | * @param commandName the name of the Command |
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| 199 | * @param className the name of the Class the command should apply to. |
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| 200 | * @returns true, if the command is registered/false otherwise |
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| 201 | * |
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| 202 | * This is used internally, to see, if we have multiple command subscriptions. |
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| 203 | * This is checked in the registerCommand-function. |
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| 204 | */ |
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| 205 | bool ShellCommand::exists(const std::string& commandName, const std::string& className) |
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| 206 | { |
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| 207 | return (ShellCommand::getCommand(commandName, className) != NULL); |
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| 208 | } |
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[5140] | 209 | |
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[7408] | 210 | |
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[7374] | 211 | /** |
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[7394] | 212 | * @brief executes commands |
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[7374] | 213 | * @param executionString the string containing the following input |
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| 214 | * ClassName [ObjectName] functionName [parameter1[,parameter2[,...]]] |
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| 215 | * @return true on success, false otherwise. |
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| 216 | */ |
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| 217 | bool ShellCommand::execute(const std::string& executionString) |
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| 218 | { |
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| 219 | long classID = CL_NULL; //< the classID retrieved from the Class. |
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| 220 | ShellCommandClass* commandClass = NULL; //< the command class this command applies to. |
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| 221 | const std::list<BaseObject*>* objectList = NULL; //< the list of Objects stored in classID |
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| 222 | BaseObject* objectPointer = NULL; //< a pointer to th Object to Execute the command on |
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[7411] | 223 | // bool emptyComplete = false; //< if the completion input is empty string. e.g "" |
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[7374] | 224 | // long completeType = SHELLC_NONE; //< the Type we'd like to complete. |
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[7403] | 225 | |
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[7374] | 226 | SubString inputSplits(executionString, SubString::WhiteSpacesWithComma); |
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[5198] | 227 | |
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[7340] | 228 | |
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[7374] | 229 | // if we do not have any input return |
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| 230 | if (inputSplits.empty()) |
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| 231 | return false; |
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[7340] | 232 | |
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[7374] | 233 | // if we only have one input (!MUST BE AN ALIAS) |
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[7403] | 234 | // CHECK FOR ALIAS |
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| 235 | std::vector<ShellCommandAlias*>::const_iterator alias; |
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| 236 | for (alias = ShellCommandAlias::getAliases().begin(); alias != ShellCommandAlias::getAliases().end(); alias++ ) |
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[5198] | 237 | { |
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[7403] | 238 | if (inputSplits.getString(0) == (*alias)->getName() && (*alias)->getCommand() != NULL && |
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| 239 | (*alias)->getCommand()->shellClass != NULL ) |
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[5198] | 240 | { |
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[7403] | 241 | objectList = ClassList::getList((*alias)->getCommand()->shellClass->getName()); |
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| 242 | if (objectList != NULL) |
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[5198] | 243 | { |
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[7403] | 244 | (*(*alias)->getCommand()->executor)(objectList->front(), inputSplits.getSubSet(1).join()); |
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| 245 | return true; |
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[5198] | 246 | } |
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| 247 | } |
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[7403] | 248 | } |
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[7340] | 249 | |
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[7403] | 250 | // looking for a Matching Class (in the First Argument) |
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| 251 | std::vector<ShellCommandClass*>::iterator commandClassIT; |
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| 252 | for (commandClassIT = ShellCommandClass::commandClassList.begin(); commandClassIT != ShellCommandClass::commandClassList.end(); commandClassIT++) |
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| 253 | { |
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| 254 | if (inputSplits[0] == (*commandClassIT)->getName()) |
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[5203] | 255 | { |
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[7403] | 256 | //elemCL->getName(); |
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| 257 | classID = ClassList::StringToID((*commandClassIT)->getName()); |
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| 258 | commandClass = (*commandClassIT); |
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| 259 | objectList = ClassList::getList((ClassID)classID); |
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| 260 | break; |
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[5203] | 261 | } |
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[7403] | 262 | } |
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[5200] | 263 | |
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[7403] | 264 | // Second Agument. (either Object, or Function) |
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| 265 | if (commandClass != NULL && inputSplits.size() >= 2) |
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| 266 | { |
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| 267 | int fktPos = 1; // The position of the Function (either at pos 1(if object given), or 2) |
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| 268 | // If we have an ObjectList. |
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| 269 | if (objectList != NULL) |
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[5203] | 270 | { |
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[7403] | 271 | // Checking for a Match in the Objects of classID (else take the first) |
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| 272 | std::list<BaseObject*>::const_iterator object; |
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| 273 | for (object = objectList->begin(); object != objectList->end(); object++) |
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[5203] | 274 | { |
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[7403] | 275 | if ((*object)->getName() != NULL && inputSplits[1] == (*object)->getName()) |
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[5329] | 276 | { |
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[7403] | 277 | /// TODO make this work for multiple Objects at once. |
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| 278 | objectPointer = (*object); |
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| 279 | fktPos = 2; |
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| 280 | break; |
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[5329] | 281 | } |
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[7340] | 282 | } |
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[5203] | 283 | |
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[7403] | 284 | // if we did not find an Object with matching name, take the first. |
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| 285 | if (objectPointer == NULL) |
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| 286 | objectPointer = objectList->front(); |
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| 287 | } |
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| 288 | |
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| 289 | // match a function. |
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| 290 | if (commandClass != NULL && (fktPos == 1 || (fktPos == 2 && inputSplits.size() >= 3))) |
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| 291 | { |
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| 292 | std::vector<ShellCommand*>::iterator cmdIT; |
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| 293 | for (cmdIT = commandClass->commandList.begin(); cmdIT != commandClass->commandList.end(); cmdIT++) |
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[5203] | 294 | { |
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[7403] | 295 | if (inputSplits[fktPos] == (*cmdIT)->getName()) |
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[5203] | 296 | { |
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[7403] | 297 | if (objectPointer == NULL && (*cmdIT)->executor->getType() & Executor_Objective) |
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| 298 | return false; |
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| 299 | else |
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[7340] | 300 | { |
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[7403] | 301 | (*(*cmdIT)->executor)(objectPointer, inputSplits.getSubSet(fktPos+1).join()); /// TODO CHECK IF OK |
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| 302 | return true; |
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[7340] | 303 | } |
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[5203] | 304 | } |
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| 305 | } |
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| 306 | } |
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| 307 | } |
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[7374] | 308 | return false; |
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[5198] | 309 | } |
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[5148] | 310 | |
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[7411] | 311 | |
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[7374] | 312 | /** |
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[7401] | 313 | * @brief lets a command be described |
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[7374] | 314 | * @param description the description of the Given command |
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| 315 | */ |
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| 316 | ShellCommand* ShellCommand::describe(const std::string& description) |
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[7340] | 317 | { |
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[7374] | 318 | if (this == NULL) |
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| 319 | return NULL; |
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[7403] | 320 | this->description = description; |
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| 321 | return this; |
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[7340] | 322 | } |
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[5164] | 323 | |
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[7374] | 324 | /** |
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[7389] | 325 | * @brief adds an Alias to this Command |
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[7374] | 326 | * @param alias the name of the Alias to set |
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| 327 | * @returns itself |
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| 328 | */ |
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| 329 | ShellCommand* ShellCommand::setAlias(const std::string& alias) |
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[5196] | 330 | { |
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[7374] | 331 | if (this == NULL) |
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| 332 | return NULL; |
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[5196] | 333 | |
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[7374] | 334 | if (this->alias != NULL) |
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| 335 | { |
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| 336 | PRINTF(2)("not more than one Alias allowed for functions (%s::%s)\n", this->getName(), this->shellClass->getName()); |
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| 337 | } |
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| 338 | else |
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| 339 | { |
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| 340 | ShellCommandAlias* aliasCMD = new ShellCommandAlias(alias, this); |
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| 341 | this->alias = aliasCMD; |
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| 342 | } |
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| 343 | return this; |
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[5196] | 344 | } |
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[5195] | 345 | |
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[7374] | 346 | /** |
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| 347 | * @brief set the default values of the executor |
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| 348 | * @param value0 the first default value |
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| 349 | * @param value1 the second default value |
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| 350 | * @param value2 the third default value |
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| 351 | * @param value3 the fourth default value |
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| 352 | * @param value4 the fifth default value |
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| 353 | */ |
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| 354 | ShellCommand* ShellCommand::defaultValues(const MultiType& value0, const MultiType& value1, |
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| 355 | const MultiType& value2, const MultiType& value3, |
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| 356 | const MultiType& value4) |
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| 357 | { |
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| 358 | if (this == NULL || this->executor == NULL) |
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| 359 | return NULL; |
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[5207] | 360 | |
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[7374] | 361 | this->executor->defaultValues(value0, value1, value2, value3, value4); |
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[5207] | 362 | |
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[7374] | 363 | return this; |
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[5148] | 364 | } |
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| 365 | |
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[7412] | 366 | ShellCommand* ShellCommand::completionPlugin(unsigned int parameter, const CompletorPlugin& completorPlugin) |
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| 367 | { |
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| 368 | if (this == NULL || this->executor == NULL) |
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| 369 | return NULL; |
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| 370 | |
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| 371 | if (parameter >= this->executor->getParamCount()) |
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| 372 | { |
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| 373 | PRINTF(1)("Parameter %d not inside of valid ParameterCount %d of Command %s::%s\n", |
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[7413] | 374 | parameter, this->executor->getParamCount(), this->getName(), this->shellClass->getName()); |
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[7412] | 375 | } |
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| 376 | else |
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| 377 | { |
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| 378 | delete this->completors[parameter]; |
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| 379 | this->completors[parameter] = completorPlugin.clone(); |
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| 380 | } |
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| 381 | return this; |
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| 382 | } |
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| 383 | |
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| 384 | |
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[7374] | 385 | /** |
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[7401] | 386 | * @brief prints out nice information about the Shells Commands |
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[7374] | 387 | */ |
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| 388 | void ShellCommand::debug() |
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[5148] | 389 | { |
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[7394] | 390 | std::vector<ShellCommandClass*>::iterator classIT; |
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| 391 | for (classIT = ShellCommandClass::commandClassList.begin(); classIT != ShellCommandClass::commandClassList.end(); classIT++) |
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[7374] | 392 | { |
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| 393 | PRINT(0)("Class:'%s' registered %d commands: \n", (*classIT)->className.c_str(), (*classIT)->commandList.size()); |
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[5148] | 394 | |
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[7388] | 395 | std::vector<ShellCommand*>::iterator cmdIT; |
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[7374] | 396 | for (cmdIT = (*classIT)->commandList.begin(); cmdIT != (*classIT)->commandList.end(); cmdIT++) |
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| 397 | { |
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| 398 | PRINT(0)(" command:'%s' : params:%d: ", (*cmdIT)->getName(), (*cmdIT)->executor->getParamCount()); |
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| 399 | /// FIXME |
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| 400 | /* for (unsigned int i = 0; i< elem->paramCount; i++) |
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| 401 | printf("%s ", ShellCommand::paramToString(elem->parameters[i]));*/ |
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| 402 | if (!(*cmdIT)->description.empty()) |
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| 403 | printf("- %s", (*cmdIT)->description.c_str()); |
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| 404 | printf("\n"); |
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| 405 | |
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| 406 | } |
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[5170] | 407 | } |
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[5148] | 408 | } |
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| 409 | |
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[7374] | 410 | /** |
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[7401] | 411 | * @brief converts a Parameter to a String |
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[7374] | 412 | * @param parameter the Parameter we have. |
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| 413 | * @returns the Name of the Parameter at Hand |
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| 414 | */ |
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[7401] | 415 | const std::string& ShellCommand::paramToString(long parameter) |
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[7374] | 416 | { |
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| 417 | return MultiType::MultiTypeToString((MT_Type)parameter); |
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| 418 | } |
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| 419 | |
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[7389] | 420 | |
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[7412] | 421 | |
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| 422 | /////////// |
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| 423 | // ALIAS // |
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| 424 | /////////// |
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| 425 | |
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[7397] | 426 | /** |
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| 427 | * @param aliasName the name of the Alias |
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| 428 | * @param command the Command, to associate this alias with |
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| 429 | */ |
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[7389] | 430 | ShellCommandAlias::ShellCommandAlias(const std::string& aliasName, ShellCommand* command) |
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| 431 | { |
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| 432 | this->aliasName = aliasName; |
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| 433 | this->command = command; |
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| 434 | ShellCommandAlias::aliasList.push_back(this); |
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| 435 | }; |
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| 436 | |
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| 437 | ShellCommandAlias::~ShellCommandAlias() |
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| 438 | { |
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| 439 | std::vector<ShellCommandAlias*>::iterator delA = std::find(aliasList.begin(), aliasList.end(), this); |
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| 440 | if (delA != aliasList.end()) |
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| 441 | ShellCommandAlias::aliasList.push_back(this); |
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| 442 | |
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| 443 | } |
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| 444 | |
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| 445 | std::vector<ShellCommandAlias*> ShellCommandAlias::aliasList; |
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| 446 | /** |
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| 447 | * @brief collects the Aliases registered to the ShellCommands |
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| 448 | * @param stringList a List to paste the Aliases into. |
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| 449 | * @returns true on success, false otherwise |
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| 450 | */ |
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[7403] | 451 | |
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[7389] | 452 | bool ShellCommandAlias::getCommandListOfAlias(std::list<std::string>& stringList) |
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| 453 | { |
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| 454 | std::vector<ShellCommandAlias*>::iterator alias; |
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| 455 | for (alias = ShellCommandAlias::aliasList.begin(); alias != ShellCommandAlias::aliasList.end(); alias++) |
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| 456 | stringList.push_back((*alias)->getName()); |
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| 457 | return true; |
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| 458 | } |
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| 459 | |
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| 460 | |
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[5148] | 461 | } |
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