public synchronized String pipe()

in webconsole-plugins/gogo/src/main/java/org/apache/felix/webconsole/plugins/gogo/impl/Terminal.java [1334:1408]

• 75 lines of code
• 55 McCabe index (conditional complexity)

    public synchronized String pipe(String d) {
        String o = "";
        for (char c : d.toCharArray()) {
            if (vt100_keyfilter_escape) {
                vt100_keyfilter_escape = false;
                if (vt100_mode_cursorkey) {
                    switch (c) {
                        case '~': o += "~"; break;
                        case 'A': o += "\u001bOA"; break;
                        case 'B': o += "\u001bOB"; break;
                        case 'C': o += "\u001bOC"; break;
                        case 'D': o += "\u001bOD"; break;
                        case 'F': o += "\u001bOF"; break;
                        case 'H': o += "\u001bOH"; break;
                        case '1': o += "\u001b[5~"; break;
                        case '2': o += "\u001b[6~"; break;
                        case '3': o += "\u001b[2~"; break;
                        case '4': o += "\u001b[3~"; break;
                        case 'a': o += "\u001bOP"; break;
                        case 'b': o += "\u001bOQ"; break;
                        case 'c': o += "\u001bOR"; break;
                        case 'd': o += "\u001bOS"; break;
                        case 'e': o += "\u001b[15~"; break;
                        case 'f': o += "\u001b[17~"; break;
                        case 'g': o += "\u001b[18~"; break;
                        case 'h': o += "\u001b[19~"; break;
                        case 'i': o += "\u001b[20~"; break;
                        case 'j': o += "\u001b[21~"; break;
                        case 'k': o += "\u001b[23~"; break;
                        case 'l': o += "\u001b[24~"; break;
                    }
                } else {
                    switch (c) {
                        case '~': o += "~"; break;
                        case 'A': o += "\u001b[A"; break;
                        case 'B': o += "\u001b[B"; break;
                        case 'C': o += "\u001b[C"; break;
                        case 'D': o += "\u001b[D"; break;
                        case 'F': o += "\u001b[F"; break;
                        case 'H': o += "\u001b[H"; break;
                        case '1': o += "\u001b[5~"; break;
                        case '2': o += "\u001b[6~"; break;
                        case '3': o += "\u001b[2~"; break;
                        case '4': o += "\u001b[3~"; break;
                        case 'a': o += "\u001bOP"; break;
                        case 'b': o += "\u001bOQ"; break;
                        case 'c': o += "\u001bOR"; break;
                        case 'd': o += "\u001bOS"; break;
                        case 'e': o += "\u001b[15~"; break;
                        case 'f': o += "\u001b[17~"; break;
                        case 'g': o += "\u001b[18~"; break;
                        case 'h': o += "\u001b[19~"; break;
                        case 'i': o += "\u001b[20~"; break;
                        case 'j': o += "\u001b[21~"; break;
                        case 'k': o += "\u001b[23~"; break;
                        case 'l': o += "\u001b[24~"; break;
                    }
                }
            } else if (c == '~') {
                vt100_keyfilter_escape = true;
            } else if (c == 127) {
                if (vt100_mode_backspace) {
                    o += (char) 8;
                } else {
                    o += (char) 127;
                }
            } else {
                o += c;
                if (vt100_mode_lfnewline && c == 13) {
                    o += (char) 10;
                }
            }
        }
        return o;
    }