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130 lines
2.7 KiB
130 lines
2.7 KiB
//
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// Created by MightyPork on 2017/08/20.
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//
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// Handle OSC commands (Operating System Command)
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// ESC ] Ps ; Pt ST
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//
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// Those are used to pass various text variables to the terminal:
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//
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// Ps = 0 or 2 ... set screen title to Pt
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// Ps = 81-85 ... set button label to Pt
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//
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#include "apars_osc.h"
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#include "apars_logging.h"
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#include "screen.h"
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#include "ansi_parser.h"
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#include "cgi_sockets.h"
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/**
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* Handle ESPTerm-specific command
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*
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* @param n0 - top-level, 20-39
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* @param n1 - sub-command
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* @param buffer - buffer past the second command and its semicolon
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*/
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void ICACHE_FLASH_ATTR
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handle_espterm_osc(int n0, int n1, char *buffer)
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{
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if (n0 == 27) {
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// Miscellaneous
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if (n1 == 1) {
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screen_set_backdrop(buffer);
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}
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else if (n1 == 2) {
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screen_set_button_count(atoi(buffer));
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}
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else goto bad;
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}
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else if (n0 == 28) {
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// Button label
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screen_set_button_text(n1, buffer);
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}
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else if (n0 == 29) {
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// Button message
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screen_set_button_message(n1, buffer);
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}
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else goto bad;
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return;
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bad:
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ansi_warn("No ESPTerm option at %d.%d", n0, n1);
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}
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/**
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* Helper function to parse incoming OSC (Operating System Control)
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* @param buffer - the OSC body (after OSC and before ST)
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*/
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void ICACHE_FLASH_ATTR
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apars_handle_osc(char *buffer)
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{
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const char *origbuf = buffer;
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int n = 0;
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char c;
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while ((c = *buffer++) != 0) {
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if (c >= '0' && c <= '9') {
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n = (n * 10 + (c - '0'));
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} else {
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break;
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}
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}
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if (c == ';') {
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// Do something with the data string and number
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// (based on xterm manpage)
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if (n == 0 || n == 2) {
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// Window title (or "icon name" in Xterm)
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screen_set_title(buffer);
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}
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else if (n == 4) {
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// XXX setting RGB color, ignore
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}
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else if (n == 9) {
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// iTerm2-style "growl" notifications
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buffer--;
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buffer[0] = 'G';
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notify_growl(buffer);
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}
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else if (n >= 20 && n < 40) {
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// New-style ESPTerm OSC
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int n0 = n;
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// Find sub-command
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n = 0;
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while ((c = *buffer++) != 0) {
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if (c >= '0' && c <= '9') {
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n = (n * 10 + (c - '0'));
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} else {
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break;
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}
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}
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if (c == ';') {
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handle_espterm_osc(n0, n, buffer);
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} else {
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ansi_warn("BAD OSC: %s", origbuf);
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}
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}
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else if (n == 70) {
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// ESPTerm: backdrop
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ansi_warn("OSC 70 is deprecated, use 27;1");
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screen_set_backdrop(buffer);
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}
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else if (n >= 81 && n <= 85) {
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// ESPTerm: action button label
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ansi_warn("OSC 8x is deprecated, use 28;x");
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screen_set_button_text(n - 80, buffer);
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}
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else if (n >= 91 && n <= 95) {
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// ESPTerm: action button message
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ansi_warn("OSC 9x is deprecated, use 29;x");
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screen_set_button_message(n - 90, buffer);
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}
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else {
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ansi_noimpl("OSC %d ; %s ST", n, buffer);
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}
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}
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else {
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ansi_warn("BAD OSC: %s", origbuf);
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apars_show_context();
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}
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}
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