ref: 23e5e96cc14db94bf4106e0c6d958edec6a8bf92
parent: cf7f260bba5e1df5c884ab2ec28b7f2af856da71
author: cancel <cancel@cancel.fm>
date: Tue Jan 28 08:30:24 EST 2020
Shrink definition of brackpaste sequence getch/ungetch Let a boy have his golf, ok.
--- a/tui_main.c
+++ b/tui_main.c
@@ -2437,34 +2437,24 @@
Brackpaste_seq_end,
} Brackpaste_seq;
+// Try to getch to complete the sequence of a start or end of brackpet paste
+// escape sequence. If it doesn't turn out to be one, unwind it back into the
+// event queue with ungetch. Yeah this is golfed let me have fun.
staticni Brackpaste_seq brackpaste_seq_getungetch(WINDOW *win) {- int esc1 = wgetch(win);
- if (esc1 == '[') {- int esc2 = wgetch(win);
- if (esc2 == '2') {- int esc3 = wgetch(win);
- if (esc3 == '0') {- int esc4 = wgetch(win);
- // Start or end of bracketed paste
- if (esc4 == '0' || esc4 == '1') {- int esc5 = wgetch(win);
- if (esc5 == '~') {- switch (esc4) {- case '0':
- return Brackpaste_seq_begin;
- case '1':
- return Brackpaste_seq_end;
- }
- }
- ungetch(esc5);
- }
- ungetch(esc4);
- }
- ungetch(esc3);
- }
- ungetch(esc2);
- }
- ungetch(esc1);
+ int chs[5], n = 0, begorend; // clang-format off
+ if ((chs[n++] = wgetch(win)) != '[') goto unwind;
+ if ((chs[n++] = wgetch(win)) != '2') goto unwind;
+ if ((chs[n++] = wgetch(win)) != '0') goto unwind;
+ chs[n++] = begorend = wgetch(win);
+ if (begorend != '0' && begorend != '1') goto unwind;
+ if ((chs[n++] = wgetch(win)) != '~') goto unwind;
+ switch (begorend) {+ case '0': return Brackpaste_seq_begin;
+ case '1': return Brackpaste_seq_end;
+ } // clang-format on
+unwind:
+ while (n > 0)
+ ungetch(chs[--n]);
return Brackpaste_seq_none;
}