ref: 2a9f9c14cc2ef1fad0af586db556a0fcc803a4a4
parent: 2e2bacc37ba01af14d632a7f698c1899f631ad5c
author: james palmer <james@biobuf.link>
date: Sun Jun 13 21:47:52 EDT 2021
fix event parsing :)
--- a/acme.h
+++ b/acme.h
@@ -15,6 +15,10 @@
int datafd;
int eventfd;
int bodyfd;
+
+ char buf[512];
+ char *bufp;
+ int nbuf;
void *aux;
--- a/event.c
+++ b/event.c
@@ -6,22 +6,28 @@
#include "acme.h"
static int
-getc(int fd)
+getc(AWin *w)
{- char buf[1];
-
- if(read(fd, buf, sizeof(buf)) > 0)
- return buf[0];
- return -1;
+ if(w->nbuf == 0){+ w->nbuf = read(w->eventfd, w->buf, sizeof(w->buf));
+ if(w->nbuf <= 0) {+ werrstr("event read failed: %r");+ return -1;
+ }
+ w->bufp = w->buf;
+ }
+
+ w->nbuf--;
+ return *w->bufp++;
}
static int
-getnum(int fd)
+getnum(AWin *w)
{int c, n;
n = 0;
- while('0' <= (c = getc(fd)) && c <= '9')+ while('0' <= (c = getc(w)) && c <= '9')n = n*10+(c-'0');
if(c != ' '){@@ -33,42 +39,36 @@
}
static long
-getrune(int fd)
+getrune(AWin *w)
{- int c, i;
- Rune rune;
+ Rune r;
char buf[UTFmax];
-
- c = getc(fd);
- if(c < Runeself)
- return c;
- buf[0] = c;
-
- for(i = 1; i < UTFmax;) {- c = getc(fd);
- if(c < 0)
- return c;
- buf[i++] = c;
-
- if(fullrune(buf, i)) {- chartorune(&rune, buf);
- return rune;
- }
+ int n;
+
+ n = 0;
+ r = getc(w);
+ buf[n++] = r;
+
+ if(r >= Runeself) {+ while(!fullrune(buf, n))
+ buf[n++] = getc(w);
+ chartorune(&r, buf);
}
-
- return -1;
+
+ return r;
}
static int
-getdata(int fd, AEvent *e)
+getdata(AWin *w, AEvent *e)
{int i, n, o;
Rune r;
o = 0;
- n = getnum(fd);
+ n = getnum(w);
+
for(i = 0; i < n; i++) {- if((r = getrune(fd)) == -1)
+ if((r = getrune(w)) == -1)
break;
o += runetochar(e->text + o, &r);
}
@@ -84,13 +84,13 @@
flags = 0;
loop:
- e->origin = getc(w->eventfd);
- e->type = getc(w->eventfd);
- e->q0 = getnum(w->eventfd);
- e->q1 = getnum(w->eventfd);
- e->flags = getnum(w->eventfd);
- e->ntext = getdata(w->eventfd, e);
- if(getc(w->eventfd) != '\n') {+ e->origin = getc(w);
+ e->type = getc(w);
+ e->q0 = getnum(w);
+ e->q1 = getnum(w);
+ e->flags = getnum(w);
+ e->ntext = getdata(w, e);
+ if(getc(w) != '\n') { werrstr("unterminated message");return -1;
}