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#include "stralloc.h"
#include "buffer.h"
#include "getln.h"
#include "hfield.h"
#include "headerbody.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(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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