| 1 | #include "stralloc.h" |
| 2 | #include "substdio.h" |
| 3 | #include "getln.h" |
| 4 | #include "hfield.h" |
| 5 | #include "headerbody.h" |
| 6 | |
| 7 | static int getsa(ss,sa,match) |
| 8 | substdio *ss; |
| 9 | stralloc *sa; |
| 10 | int *match; |
| 11 | { |
| 12 | if (!*match) return 0; |
| 13 | if (getln(ss,sa,match,'\n') == -1) return -1; |
| 14 | if (*match) return 1; |
| 15 | if (!sa->len) return 0; |
| 16 | if (!stralloc_append(sa,"\n")) return -1; |
| 17 | return 1; |
| 18 | } |
| 19 | |
| 20 | static stralloc line = {0}; |
| 21 | static stralloc nextline = {0}; |
| 22 | |
| 23 | int headerbody(ss,dohf,hdone,dobl) |
| 24 | substdio *ss; |
| 25 | void (*dohf)(); |
| 26 | void (*hdone)(); |
| 27 | void (*dobl)(); |
| 28 | { |
| 29 | int match; |
| 30 | int flaglineok; |
| 31 | match = 1; |
| 32 | flaglineok = 0; |
| 33 | for (;;) |
| 34 | { |
| 35 | switch(getsa(ss,&nextline,&match)) |
| 36 | { |
| 37 | case -1: |
| 38 | return -1; |
| 39 | case 0: |
| 40 | if (flaglineok) dohf(&line); |
| 41 | hdone(); |
| 42 | /* no message body; could insert blank line here */ |
| 43 | return 0; |
| 44 | } |
| 45 | if (flaglineok) |
| 46 | { |
| 47 | if ((nextline.s[0] == ' ') || (nextline.s[0] == '\t')) |
| 48 | { |
| 49 | if (!stralloc_cat(&line,&nextline)) return -1; |
| 50 | continue; |
| 51 | } |
| 52 | dohf(&line); |
| 53 | } |
| 54 | if (nextline.len == 1) |
| 55 | { |
| 56 | hdone(); |
| 57 | dobl(&nextline); |
| 58 | break; |
| 59 | } |
| 60 | if (stralloc_starts(&nextline,"From ")) |
| 61 | { |
| 62 | if (!stralloc_copys(&line,"MBOX-Line: ")) return -1; |
| 63 | if (!stralloc_cat(&line,&nextline)) return -1; |
| 64 | } |
| 65 | else |
| 66 | if (hfield_valid(nextline.s,nextline.len)) |
| 67 | { |
| 68 | if (!stralloc_copy(&line,&nextline)) return -1; |
| 69 | } |
| 70 | else |
| 71 | { |
| 72 | hdone(); |
| 73 | if (!stralloc_copys(&line,"\n")) return -1; |
| 74 | dobl(&line); |
| 75 | dobl(&nextline); |
| 76 | break; |
| 77 | } |
| 78 | flaglineok = 1; |
| 79 | } |
| 80 | for (;;) |
| 81 | switch(getsa(ss,&nextline,&match)) |
| 82 | { |
| 83 | case -1: return -1; |
| 84 | case 0: return 0; |
| 85 | case 1: dobl(&nextline); |
| 86 | } |
| 87 | } |