projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9c4b96b4 C |
1 | /* $Header: cheat.c,v 4.3 85/05/01 11:36:46 lwall Exp $ |
| 2 | * | |
| 3 | * $Log: cheat.c,v $ | |
| 4 | * Revision 4.3 85/05/01 11:36:46 lwall | |
| 5 | * Baseline for release with 4.3bsd. | |
| 6 | * | |
| 7 | */ | |
| 8 | ||
| 9 | #include "EXTERN.h" | |
| 10 | #include "common.h" | |
| 11 | #include "intrp.h" | |
| 12 | #include "search.h" | |
| 13 | #include "ng.h" | |
| 14 | #include "bits.h" | |
| 15 | #include "artio.h" | |
| 16 | #include "term.h" | |
| 17 | #include "artsrch.h" | |
| 18 | #include "head.h" | |
| 19 | #include "INTERN.h" | |
| 20 | #include "cheat.h" | |
| 21 | ||
| 22 | /* see what we can do while they are reading */ | |
| 23 | ||
| 24 | #ifdef PENDING | |
| 25 | # ifdef ARTSEARCH | |
| 26 | COMPEX srchcompex; /* compiled regex for searchahead */ | |
| 27 | # endif | |
| 28 | #endif | |
| 29 | ||
| 30 | void | |
| 31 | cheat_init() | |
| 32 | { | |
| 33 | ; | |
| 34 | } | |
| 35 | ||
| 36 | #ifdef PENDING | |
| 37 | void | |
| 38 | look_ahead() | |
| 39 | { | |
| 40 | #ifdef ARTSEARCH | |
| 41 | register char *h, *s; | |
| 42 | ||
| 43 | #ifdef DEBUGGING | |
| 44 | if (debug && srchahead) { | |
| 45 | printf("(%ld)",(long)srchahead); | |
| 46 | fflush(stdout); | |
| 47 | } | |
| 48 | #endif | |
| 49 | if (srchahead && srchahead < art) { /* in ^N mode? */ | |
| 50 | char *pattern; | |
| 51 | ||
| 52 | pattern = buf+1; | |
| 53 | strcpy(pattern,": *"); | |
| 54 | h = pattern + strlen(pattern); | |
| 55 | interp(h,(sizeof buf) - (h-buf),"%s"); | |
| 56 | h[24] = '\0'; /* compensate for notesfiles */ | |
| 57 | while (*h) { | |
| 58 | if (index("\\[.^*$'\"",*h) != Nullch) | |
| 59 | *h++ = '.'; | |
| 60 | else | |
| 61 | h++; | |
| 62 | } | |
| 63 | #ifdef DEBUGGING | |
| 64 | if (debug & DEB_SEARCH_AHEAD) { | |
| 65 | fputs("(hit CR)",stdout); | |
| 66 | fflush(stdout); | |
| 67 | gets(buf+128); | |
| 68 | printf("\npattern = %s\n",pattern); | |
| 69 | } | |
| 70 | #endif | |
| 71 | if ((s = compile(&srchcompex,pattern,TRUE,TRUE)) != Nullch) { | |
| 72 | /* compile regular expression */ | |
| 73 | printf("\n%s\n",s); | |
| 74 | srchahead = 0; | |
| 75 | } | |
| 76 | if (srchahead) { | |
| 77 | srchahead = art; | |
| 78 | for (;;) { | |
| 79 | srchahead++; /* go forward one article */ | |
| 80 | if (srchahead > lastart) { /* out of articles? */ | |
| 81 | #ifdef DEBUGGING | |
| 82 | if (debug) | |
| 83 | fputs("(not found)",stdout); | |
| 84 | #endif | |
| 85 | break; | |
| 86 | } | |
| 87 | if (!was_read(srchahead) && | |
| 88 | wanted(&srchcompex,srchahead,0)) { | |
| 89 | /* does the shoe fit? */ | |
| 90 | #ifdef DEBUGGING | |
| 91 | if (debug) | |
| 92 | printf("(%ld)",(long)srchahead); | |
| 93 | #endif | |
| 94 | artopen(srchahead); | |
| 95 | break; | |
| 96 | } | |
| 97 | if (input_pending()) | |
| 98 | break; | |
| 99 | } | |
| 100 | fflush(stdout); | |
| 101 | } | |
| 102 | } | |
| 103 | else | |
| 104 | #endif | |
| 105 | { | |
| 106 | if (art+1 <= lastart)/* how about a pre-fetch? */ | |
| 107 | artopen(art+1); /* look for the next article */ | |
| 108 | } | |
| 109 | } | |
| 110 | #endif | |
| 111 | ||
| 112 | /* see what else we can do while they are reading */ | |
| 113 | ||
| 114 | void | |
| 115 | collect_subjects() | |
| 116 | { | |
| 117 | #ifdef PENDING | |
| 118 | # ifdef CACHESUBJ | |
| 119 | ART_NUM oldart = openart; | |
| 120 | ART_POS oldartpos; | |
| 121 | ||
| 122 | if (!in_ng || !srchahead) | |
| 123 | return; | |
| 124 | if (oldart) /* remember where we were in art */ | |
| 125 | oldartpos = ftell(artfp); | |
| 126 | if (srchahead >= subj_to_get) | |
| 127 | subj_to_get = srchahead+1; | |
| 128 | while (!input_pending() && subj_to_get <= lastart) | |
| 129 | fetchsubj(subj_to_get++,FALSE,FALSE); | |
| 130 | if (oldart) { | |
| 131 | artopen(oldart); | |
| 132 | fseek(artfp,oldartpos,0); /* do not screw the pager */ | |
| 133 | } | |
| 134 | # endif | |
| 135 | #endif | |
| 136 | } | |
| 137 |