Alex Chernyakhovsky
88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/*
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Mosh: the mobile shell
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Copyright 2012 Keith Winstein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, the copyright holders give
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permission to link the code of portions of this program with the
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OpenSSL library under certain conditions as described in each
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individual source file, and distribute linked combinations including
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the two.
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You must obey the GNU General Public License in all respects for all
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of the code used other than OpenSSL. If you modify file(s) with this
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exception, you may extend this exception to your version of the
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file(s), but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version. If you delete
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this exception statement from all source files in the program, then
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also delete it here.
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*/
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#ifndef COMPLETE_TERMINAL_HPP
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#define COMPLETE_TERMINAL_HPP
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#include <list>
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#include <stdint.h>
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#include "src/terminal/parser.h"
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#include "src/terminal/terminal.h"
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/* This class represents the complete terminal -- a UTF8Parser feeding Actions to an Emulator. */
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namespace Terminal {
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class Complete {
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private:
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Parser::UTF8Parser parser;
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Terminal::Emulator terminal;
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Terminal::Display display;
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// Only used locally by act(), but kept here as a performance optimization,
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// to avoid construction/destruction. It must always be empty
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// outside calls to act() to keep horrible things from happening.
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Parser::Actions actions;
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using input_history_type = std::list<std::pair<uint64_t, uint64_t>>;
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input_history_type input_history;
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uint64_t echo_ack;
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static const int ECHO_TIMEOUT = 50; /* for late ack */
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public:
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Complete( size_t width, size_t height ) : parser(), terminal( width, height ), display( false ),
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actions(), input_history(), echo_ack( 0 ) {}
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std::string act( const std::string &str );
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std::string act( const Parser::Action &act );
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const Framebuffer & get_fb( void ) const { return terminal.get_fb(); }
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void reset_input( void ) { parser.reset_input(); }
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uint64_t get_echo_ack( void ) const { return echo_ack; }
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bool set_echo_ack( uint64_t now );
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void register_input_frame( uint64_t n, uint64_t now );
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int wait_time( uint64_t now ) const;
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/* interface for Network::Transport */
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void subtract( const Complete * ) const {}
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std::string diff_from( const Complete &existing ) const;
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std::string init_diff( void ) const;
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void apply_string( const std::string & diff );
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bool operator==( const Complete &x ) const;
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bool compare( const Complete &other ) const;
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};
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}
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#endif
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