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#include "headerbody.h"
#include "buffer.h"
#include "getln.h"
#include "stralloc.h"
#include "hfield.h"
static int getsa(buffer *b, stralloc *sa, int *match)
{
if (!*match) return 0;
if (getln(b, sa, match, '\n') == -1) return -1;
if (*match) return 1;
if (!sa->len) return 0;
if (!stralloc_append(sa, "\n")) return -1;
return 1;
}
static stralloc line = {0};
static stralloc nextline = {0};
int headerbody(b, dohf, hdone, dobl)
buffer *b;
void (*dohf)();
void (*hdone)();
void (*dobl)();
{
int match;
int flaglineok;
match = 1;
flaglineok = 0;
for (;;) {
switch (getsa(b, &nextline, &match)) {
case -1: return -1;
case 0:
if (flaglineok) dohf(&line);
hdone();
/* no message body; could insert blank line here */
return 0;
}
if (flaglineok) {
if ((nextline.s[0] == ' ') || (nextline.s[0] == '\t')) {
if (!stralloc_cat(&line, &nextline)) return -1;
continue;
}
dohf(&line);
}
if (nextline.len == 1) {
hdone();
dobl(&nextline);
break;
}
if (stralloc_starts(&nextline, "From ")) {
if (!stralloc_copys(&line, "MBOX-Line: ")) return -1;
if (!stralloc_cat(&line, &nextline)) return -1;
} else if (hfield_valid(nextline.s, nextline.len)) {
if (!stralloc_copy(&line, &nextline)) return -1;
} else {
hdone();
if (!stralloc_copys(&line, "\n")) return -1;
dobl(&line);
dobl(&nextline);
break;
}
flaglineok = 1;
}
for (;;) switch (getsa(b, &nextline, &match))
{
case -1: return -1;
case 0: return 0;
case 1: dobl(&nextline);
}
}
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