mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2025-04-02 11:02:17 -04:00
98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 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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//
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// Gopher2600 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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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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//
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// *** NOTE: all historical versions of this file, as found in any
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// git repository, are also covered by the licence, even when this
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// notice is not present ***
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// Package plainterm implements the Terminal interface for the gopher2600
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// debugger. It's a simple as simple can be and offers no special features.
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package plainterm
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import (
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"fmt"
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"gopher2600/debugger/terminal"
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"gopher2600/gui"
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"io"
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"os"
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)
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// PlainTerminal is the default, most basic terminal interface. It keeps the
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// terminal in whatever mode it started, probably cooked mode. As such, it
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// offers only rudimentary editing facility and little control over output.
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type PlainTerminal struct {
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input io.Reader
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output io.Writer
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silenced bool
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}
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// Initialise perfoms any setting up required for the terminal
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func (pt *PlainTerminal) Initialise() error {
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pt.input = os.Stdin
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pt.output = os.Stdout
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return nil
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}
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// CleanUp perfoms any cleaning up required for the terminal
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func (pt *PlainTerminal) CleanUp() {
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}
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// RegisterTabCompletion adds an implementation of TabCompletion to the terminal
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func (pt *PlainTerminal) RegisterTabCompletion(terminal.TabCompletion) {
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}
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// TermPrintLine implements the terminal.Terminal interface
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func (pt PlainTerminal) TermPrintLine(style terminal.Style, s string, a ...interface{}) {
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if pt.silenced && style != terminal.StyleError {
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return
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}
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switch style {
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case terminal.StyleError:
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s = fmt.Sprintf("* %s", s)
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}
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s = fmt.Sprintf(s, a...)
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pt.output.Write([]byte(s))
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if !style.IsPrompt() {
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pt.output.Write([]byte("\n"))
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}
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}
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// TermRead implements the terminal.Terminal interface
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func (pt PlainTerminal) TermRead(input []byte, prompt terminal.Prompt, _ chan gui.Event, _ func(gui.Event) error) (int, error) {
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if pt.silenced {
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return 0, nil
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}
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pt.TermPrintLine(prompt.Style, prompt.Content)
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n, err := pt.input.Read(input)
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if err != nil {
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return n, err
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}
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return n, nil
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}
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// IsInteractive implements the terminal.Input interface
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func (pt *PlainTerminal) IsInteractive() bool {
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return true
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}
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// Silence implemented the terminal.Output interface
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func (pt *PlainTerminal) Silence(silenced bool) {
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pt.silenced = silenced
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}
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