mirror of https://github.com/liamg/aminal.git
100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package terminal
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var ansiSequenceMap = map[rune]escapeSequenceHandler{
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'[': csiHandler,
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}
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func ansiHandler(buffer chan rune, terminal *Terminal) error {
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// if the byte is an escape character, read the next byte to determine which one
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b := <-buffer
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handler, ok := ansiSequenceMap[b]
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if ok {
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return handler(buffer, terminal)
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}
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switch b {
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case 0x5d: // OSC: Operating System Command
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b = <-buffer
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switch b {
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case rune('0'):
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b = <-buffer
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if b == rune(';') {
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title := []rune{}
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for {
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b = <-buffer
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if b == 0x07 || b == 0x5c { // 0x07 -> BELL, 0x5c -> ST (\)
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break
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}
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title = append(title, b)
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}
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terminal.title = string(title)
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} else {
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terminal.logger.Errorf("Invalid OSC 0 control sequence: 0x%02X", b)
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}
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default:
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terminal.logger.Errorf("Unknown OSC control sequence: 0x%02X", b)
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}
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case 'c':
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terminal.logger.Errorf("RIS not yet supported")
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case '(':
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b = <-buffer
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switch b {
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case 'A': //uk @todo handle these?
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//terminal.charSet = C0
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case 'B': //us
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//terminal.charSet = C0
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}
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case ')':
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b = <-buffer
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switch b {
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case 'A': //uk @todo handle these?
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//terminal.charSet = C1
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case 'B': //us
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//terminal.charSet = C1
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}
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case '*':
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b = <-buffer
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switch b {
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case 'A': //uk @todo handle these?
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//terminal.charSet = C2
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case 'B': //us
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//terminal.charSet = C2
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}
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case '+':
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b = <-buffer
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switch b {
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case 'A': //uk @todo handle these?
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//terminal.charSet = C3
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case 'B': //us
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//terminal.charSet = C3
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}
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case '>':
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// numeric char selection @todo
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case '=':
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//alternate char selection @todo
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case '?':
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pm := ""
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for {
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b = <-buffer
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switch b {
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case 'h':
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switch pm {
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default:
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terminal.logger.Errorf("Unknown private code ESC?%sh", pm)
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}
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case 'l':
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switch pm {
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default:
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terminal.logger.Errorf("Unknown private code ESC?%sl", pm)
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}
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default:
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pm += string(b)
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}
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}
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default:
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terminal.logger.Errorf("Unknown control sequence: 0x%02X [%s]", b, string(b))
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}
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return nil
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}
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