- Written some code for command processing. Still not tested it. Feedback is very much appreciated!
git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@746 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
elvez
parent
0e79b163f3
commit
2ede92d6d1
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@ -20,9 +20,15 @@
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#include "string_utils.hh"
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#include <sstream>
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using namespace std;
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//using namespace sgpem;
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using Glib::ustring;
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namespace sgpem
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{
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/**
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\brief A function that converts a Unicode string to an integer value
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@ -66,6 +72,30 @@ string_to_int(const ustring& str, int& num)
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return true;
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}
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int
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string_to_int(const ustring& str) throw(domain_error)
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{
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if(tokenize(str).size() != 1)
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throw domain_error("too few or too many tokens");
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istringstream iss(str);
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iss.exceptions(ios_base::failbit | ios_base::badbit);
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int value;
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try
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{
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iss >> value;
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}
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catch(ios_base::failure& e)
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{
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throw domain_error(e.what());
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}
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return value;
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}
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/**
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\brief A function that converts an integer value to an Unicode string
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*/
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@ -112,3 +142,49 @@ string_to_float(const Glib::ustring& str, float& f)
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ss << str;
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ss >> f;
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}
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// helper function for tokenize()
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static void
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add_token(Tokens& tokens, const ustring& token)
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{
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if(token.size() > 0)
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tokens.push_back(token);
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}
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Tokens
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tokenize(const ustring& str)
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{
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istringstream iss(str);
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Tokens tokens;
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while(iss)
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{
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ustring token;
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iss >> token;
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ustring::size_type index;
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// for the SET command, parse the assigment symbol as
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// a separate token
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do
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{
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index = token.find('=');
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if(index != ustring::npos)
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{
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add_token(tokens, token.substr(0, index));
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add_token(tokens, "=");
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// the second argument can safely be out of range
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token = token.substr(index + 1, token.size());
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}
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}
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while(index != ustring::npos);
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add_token(tokens, token);
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}
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return tokens;
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}
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}
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@ -24,45 +24,54 @@
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#include "config.h"
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#include <sstream>
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#include <iostream>
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#include <vector>
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#include <stdexcept>
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#include <glibmm/ustring.h>
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// FIXME : mark this file as deprecated.
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#warning "This file is obsolete and deprecated."
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#warning "It will be removed soon. Please update your code!"
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namespace sgpem
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{
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typedef std::vector<Glib::ustring> Tokens;
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/**\brief This function tries to convert a string into an integer value.
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/**\brief This function tries to convert a string into an integer value.
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The string can contain only digits and the minus character (for negative numbers).
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The string can contain only digits and the minus character (for negative numbers).
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\returns TRUE if ths string represent a valid integer number
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\returns FALSE otherwise
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*/
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bool SG_DLLEXPORT string_to_int(const Glib::ustring&, int&);
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\returns TRUE if ths string represent a valid integer number
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\returns FALSE otherwise
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*/
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bool SG_DLLEXPORT string_to_int(const Glib::ustring&, int&);
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/**\brief This function converts an integer value into a string.
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int SG_DLLEXPORT string_to_int(const Glib::ustring&) throw(std::domain_error);
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There is no return value because this function always succeeds.
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*/
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void SG_DLLEXPORT int_to_string(const int&, Glib::ustring&);
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/**\brief This function converts an integer value into a string.
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There is no return value because this function always succeeds.
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*/
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void SG_DLLEXPORT int_to_string(const int&, Glib::ustring&);
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/**\brief This function converts a float value into a string.
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/**\brief This function converts a float value into a string.
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There is no return value because this function always succeeds.
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*/
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void SG_DLLEXPORT float_to_string(const float&, Glib::ustring&);
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There is no return value because this function always succeeds.
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*/
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void SG_DLLEXPORT float_to_string(const float&, Glib::ustring&);
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/**\brief This function tries to convert a string into a float value.
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/**\brief This function tries to convert a string into a float value.
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The string can contain only digits, the minus, plus and dot (-+.) characters. If not,
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the value 0 is assigned.
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The string can contain only digits, the minus, plus and dot (-+.) characters. If not,
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the value 0 is assigned.
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There is no return value because this function always succeeds, even if the string is badly formed.
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*/
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void SG_DLLEXPORT string_to_float(const Glib::ustring&, float&);
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There is no return value because this function always succeeds, even if the string is badly formed.
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*/
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void SG_DLLEXPORT string_to_float(const Glib::ustring&, float&);
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Tokens tokenize(const Glib::ustring& str);
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}
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#endif
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@ -21,10 +21,14 @@
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#include "backend/string_utils.hh"
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#include "backend/policies_gatekeeper.hh"
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#include "backend/policy_manager.hh"
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#include "backend/policy_parameters.hh"
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#include "backend/history.hh"
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#include "text_simulation.hh"
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#include <sstream>
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using namespace std;
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using namespace sgpem;
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using namespace memory;
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@ -50,9 +54,320 @@ TextSimulation::add_io_device(smart_ptr<IOManager> io)
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// Thread::create( sigc::bind(&TextSimulation::_io_loop, p), true);
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}
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void
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TextSimulation::arguments_ignored(const Tokens& arguments)
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{
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if(arguments.size() != 0)
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p_stderr(_("\nWARNING: some arguments will be ignored"));
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}
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void
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TextSimulation::on_run(const Tokens& arguments)
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{
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arguments_ignored(arguments);
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try
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{
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run();
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}
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catch(UserInterruptException e)
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{
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p_stderr(_("\nERROR: "));
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p_stderr(e.what());
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p_stderr(_("\nSimulation is now stopped"));
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}
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}
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void
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TextSimulation::on_pause(const Tokens& arguments)
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{
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arguments_ignored(arguments);
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pause();
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}
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void
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TextSimulation::on_stop(const Tokens& arguments)
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{
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arguments_ignored(arguments);
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stop();
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}
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void
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TextSimulation::on_configure_cpu_policy(const Tokens& arguments)
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{
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arguments_ignored(arguments);
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PolicyParameters& parameters = get_policy()->get_parameters();
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p_stdout(_("\nPlease provide a value for each attribute"));
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p_stdout(_("\nMandatory arguments are marked with an asterisk (*)"));
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typedef map<ustring, PolicyParameters::Parameter<int> > IntParams;
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typedef map<ustring, PolicyParameters::Parameter<float> > FloatParams;
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typedef map<ustring, PolicyParameters::Parameter<ustring> > StringParams;
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// TODO for int and double this code is easily replaced with a call to a
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// template function. for strings we'll need to specialize it...
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IntParams int_params = parameters.get_registered_int_parameters();
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for(IntParams::iterator it = int_params.begin(); it != int_params.end();)
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{
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PolicyParameters::Parameter<int> &p = it->second;
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ostringstream buf;
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buf << "\n";
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if(p.is_required())
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buf << "*";
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buf << p.get_name() << " (range: [" << p.get_lower_bound() << ", " <<
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p.get_upper_bound() << "] default: " << p.get_default() << ") = ";
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p_stdout(buf.str());
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bool arg_provided = false;
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bool correct = true;
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ustring input = readline();
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int value;
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// FIXME semi-hack, it's a bit overkill to tokenize the string
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// to find if it's only composed of white spaces...
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// Indedeed there's a pro: by using extensively tokenize() we are more sure
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// it's correct ;-)
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if(tokenize(input).size() > 0)
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{
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try
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{
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value = string_to_int(input);
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}
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catch(domain_error e)
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{
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p_stderr(_("\nERROR: Please provide a valid integer value"));
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correct = false;
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}
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if(value > p.get_upper_bound() || value < p.get_lower_bound())
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{
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p_stderr(_("\nERROR: Provided value is out of range"));
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correct = false;
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}
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if(correct)
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p.set_value(value);
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}
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else if(p.is_required())
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{
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p_stderr(_("\nERROR: This is a mandatory attribute; you MUST provide a valid value!"));
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correct = false;
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}
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if(correct)
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++it;
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}
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//FIXME code for float arguments
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// StringParams string_params = parameters->get_registered_string_parameters();
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//
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// for(StringParams::iterator it = int_params.begin(); it != int_params.end();)
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// {
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// Parameter<ustring> &p = *it;
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// ustring buf;
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//
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// buf = "\n";
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//
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// if(p.is_required())
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// buf += "*";
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//
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// p_stdout(buf + p.get_name() + " = ");
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//
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// buf = read();
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//
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// // FIXME semi-hack, it's a bit overkill to tokenize the string
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// // to find if it's only composed of white spaces...
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// // Indedeed there's a pro: by using extensively tokenize() we are more sure
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// // it's correct ;-)
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// Tokens tokens = tokenize(input);
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//
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// if(tokens.size() == 0 && p.is_required())
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// p_stderr(_("\nERROR: This is a mandatory atribute; you MUST provide a valid value!"));
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// else
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// {
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// p.set_value(tokens[0]);
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// ++it;
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// }
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//
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// }
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}
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void
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TextSimulation::on_help(const Tokens& arguments)
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{
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ustring command;
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//make a local copy which we'll probably modify
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Tokens args = arguments;
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if(args.size() > 1)
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{
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command = args[0].uppercase();
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args.erase(args.begin());
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}
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arguments_ignored(args);
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if(command.size() == 0)
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p_stdout(_("\nAvaiable commands:\nRUN\nPAUSE\nSTOP\nQUIT\nHELP"
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"\nGET\nSET\nSHOW\nADD\nREMOVE"
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"\n\nHELP followed by a command shows help about it."
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"\n ex. HELP RUN shows help about the command RUN"));
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else if(command == "RUN")
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p_stdout(_("\n-- RUN COMMAND --\nStarts the simulation. It can be "
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"continuous or step-by-step depending on the mode configured with "
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"SET MODE (default=CONTINUOUS).\n\n"
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"The output of RUN is one or more rows each of which represents the "
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"state of the schedulable entities. It can be RUNNING, READY, BLOCKED, "
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"FUTURE or TERMINATED."
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"\nThe row begins with the number of the instant described by the "
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"following lists of states. The instant 0 represents the INITIAL STATE "
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"during which no process is running. The scheduler "
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"activity begins at instant 1. Each schedulable entity is represented by "
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"its name followed "
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"by its priority enclosed between round parenthesis."));
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else if(command == "STOP")
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p_stdout(_("\n-- STOP COMMAND --\nStops the simulation. The next call to RUN will "
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"bring the simulation to the FIRST instant and start it."));
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else if(command == "PAUSE")
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p_stdout(_("\n-- PAUSE COMMAND --\nPauses the simulation. The next call to RUN will restart it."));
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else if(command == "CONFIGURE-CPU-POLICY")
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p_stdout(_("\nFIXME"));
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else if(command == "HELP")
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p_stdout(_("\n-- Do you really want me to explain what HELP means? --"
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"\n ************** YOU ARE JOKING ME !!! ************\n\n"));
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else if(command == "GET")
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p_stderr(_("\nFIXME: Not implemented"));
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else if(command == "SET")
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p_stderr(_("\nFIXME: Not implemented"));
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else if(command == "SHOW")
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p_stderr(_("\nFIXME: Not implemented"));
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else if(command == "ADD")
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p_stderr(_("\nFIXME: Not implemented"));
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else if(command == "REMOVE")
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p_stderr(_("\nFIXME: Not implemented"));
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else if(command == "QUIT")
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p_stderr(_("\nFIXME: Not implemented"));
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else
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p_stderr(_("\nERROR: Sorry, no help available for this command."));
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}
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void
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TextSimulation::on_quit(const Tokens& arguments)
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{
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arguments_ignored(arguments);
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p_stdout(_("\n\n*** Thank you for using SGPEM by Sirius Cybernetics Corporation ***\n\n"));
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// Is this ok? Really? Oh, sure, if it we always did it in this way, it is surely a Good Thing!
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exit(1);
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}
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void
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TextSimulation::on_get(const Tokens& arguments)
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{
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p_stderr(_("\nFIXME: Not implemented"));
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}
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void
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TextSimulation::on_set(const Tokens& arguments)
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{
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p_stderr(_("\nFIXME: Not implemented"));
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}
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void
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TextSimulation::on_show(const Tokens& arguments)
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{
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p_stderr(_("\nFIXME: Not implemented"));
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}
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void
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TextSimulation::on_add(const Tokens& arguments)
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{
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p_stderr(_("\nFIXME: Not implemented"));
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}
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void
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TextSimulation::on_remove(const Tokens& arguments)
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{
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p_stderr(_("\nFIXME: Not implemented"));
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}
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void
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TextSimulation::p_stdout(const ustring& str)
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{
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cout << str;
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}
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void
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TextSimulation::p_stderr(const ustring& str)
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{
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cerr << str;
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}
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ustring
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TextSimulation::readline()
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{
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string str;
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getline(cin, str);
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return str;
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}
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void
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TextSimulation::parse_command(pair< pair<TextSimulation*, IOManager*>, const ustring > p)
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||||
{
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typedef void (TextSimulation::*f_ptr)(const Tokens&);
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map<ustring, f_ptr> command_handlers;
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command_handlers["RUN"] = &TextSimulation::on_run;
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command_handlers["STOP"] = &TextSimulation::on_stop;
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command_handlers["PAUSE"] = &TextSimulation::on_pause;
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command_handlers["CONFIGURE-CPU-POLICY"] = &TextSimulation::on_configure_cpu_policy;
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command_handlers["HELP"] = &TextSimulation::on_help;
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command_handlers["GET"] = &TextSimulation::on_get;
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command_handlers["SET"] = &TextSimulation::on_set;
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command_handlers["SHOW"] = &TextSimulation::on_show;
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command_handlers["ADD"] = &TextSimulation::on_add;
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command_handlers["REMOVE"] = &TextSimulation::on_remove;
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command_handlers["QUIT"] = &TextSimulation::on_quit;
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ustring str = p.second;
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Tokens arguments = tokenize(str);
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if(arguments.size() == 0)
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return;
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if(command_handlers.find(arguments[0]) == command_handlers.end())
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{
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p_stderr(_("\nERROR: command not supported"));
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return;
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}
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|
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ustring key = arguments[0].uppercase();
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arguments.erase(arguments.begin());
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TextSimulation* obj = p.first.first;
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||||
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(obj->*(command_handlers[key]))(arguments);
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}
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// ** Please do NOT delete this code, I still use it as a reference **
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//void
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//TextSimulation::parse_command(pair< pair<TextSimulation*, IOManager*>, const ustring > p)
|
||||
//{
|
||||
//
|
||||
// TextSimulation* obj = p.first.first;
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// ustring str = p.second;
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|
|
@ -431,7 +746,7 @@ TextSimulation::parse_command(pair< pair<TextSimulation*, IOManager*>, const us
|
|||
// obj->_devices[quale]->write_buffer(_("\nTyper HELP for a list of avaiable commands."));
|
||||
// return;
|
||||
// }
|
||||
}
|
||||
//}
|
||||
|
||||
|
||||
void
|
||||
|
|
@ -530,3 +845,4 @@ TextSimulation::_io_loop(pair<TextSimulation* , int > pun)
|
|||
pun.first->parse_command(p);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -27,7 +27,8 @@
|
|||
#include "simulation.hh"
|
||||
#include "io_manager.hh"
|
||||
#include "templates/smartp.hh"
|
||||
#include "backend/policy_parameters.hh"
|
||||
//#include "backend/policy_parameters.hh"
|
||||
#include "backend/string_utils.hh"
|
||||
|
||||
#include "smartp.hh"
|
||||
|
||||
|
|
@ -120,6 +121,25 @@ namespace sgpem
|
|||
void update();
|
||||
|
||||
private:
|
||||
void arguments_ignored(const Tokens& arguments);
|
||||
void on_run(const Tokens& arguments);
|
||||
void on_pause(const Tokens& arguments);
|
||||
void on_stop(const Tokens& arguments);
|
||||
void on_configure_cpu_policy(const Tokens& arguments);
|
||||
void on_help(const Tokens& arguments);
|
||||
void on_quit(const Tokens& arguments);
|
||||
void on_get(const Tokens& arguments);
|
||||
void on_set(const Tokens& arguments);
|
||||
void on_show(const Tokens& arguments);
|
||||
void on_add(const Tokens& arguments);
|
||||
void on_remove(const Tokens& arguments);
|
||||
|
||||
// FIXME This is a temporary replacement for the
|
||||
// to-be written I/O layer
|
||||
static void p_stdout(const Glib::ustring& str);
|
||||
static void p_stderr(const Glib::ustring& str);
|
||||
static Glib::ustring readline();
|
||||
|
||||
std::vector<memory::smart_ptr<IOManager> > _devices;
|
||||
static void _io_loop(std::pair<TextSimulation*, int>);
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue