104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/**
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MIT License
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Copyright (c) 2016 Claudio Maggioni
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef SHELL_H
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#define SHELL_H
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#pragma once
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#include <iostream>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <string>
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#include <vector>
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#include <cstddef>
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#include <csignal>
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#include <cerrno>
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#include "command.h"
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#include <wordexp.h>
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#include "commandexecutor.h"
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#include "stringtoargcargv.h"
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using namespace StringToArgcArgv;
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namespace mshconsole {
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class Shell : public CommandExecutor
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{
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class Commands
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{
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Shell* parent;
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std::vector<Command*> commands; //commands that work the same thread of the shell
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std::vector<Command*> threadCommands; //commands that work on a different thread
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public:
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Commands(Shell*);
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void add(Command*, bool isthread=false);
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size_t howMany() const;
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int launch(const struct Params& args, bool launchThread=false);
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};
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static bool SIGINTRaised;
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Commands cmds;
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std::string ps;
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std::string name;
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std::ostream& errorStream;
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std::ostream& outputStream;
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std::istream& inputStream;
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void (*shellSetup)(Shell *);
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void (*shellPostSetup)(Shell *);
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int launchCmd(const struct Params& args);
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static void SIGINTHandler(int,siginfo_t *info, void *);
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std::string* readLine();
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struct Params splitLine(const std::string* line);
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class IsUndoingLineException {};
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class CommandNotFoundException {};
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public:
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Shell(std::string n, std::string ps, std::istream& inputStream, std::ostream& outputStream,
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std::ostream& errorStream, void (*s)(Shell*)=0, void (*pss)(Shell*)=0);
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const std::string& getPs() const;
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void setPs(const std::string &value);
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const std::string& getName() const;
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void setName(const std::string &value);
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int launch();
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void setShellSetup(void (*)(Shell *));
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void (*getShellSetup())(Shell*) const;
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void setShellPostSetup(void (*)(Shell *));
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void (*getShellPostSetup())(Shell*) const;
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//for in-shell commands
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void addCmd(Command *cmd, bool isThread=false);
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int executeCmd(const struct Params& args);
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int executeCmd(const std::string& args);
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size_t howManyCmds() const;
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};
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extern struct sigaction* setHandler(unsigned signal, void (*funcptr)(int, siginfo_t*, void*));
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extern void restoreHandler(unsigned signal, struct sigaction* before);
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}
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#endif // SHELL_H
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