1: /*************************************************************************
   2:  * This program is copyright (C) 1985, 1986 by Jonathan Payne.  It is    *
   3:  * provided to you without charge for use only on a licensed Unix        *
   4:  * system.  You may copy JOVE provided that this notice is included with *
   5:  * the copy.  You may not sell copies of this program or versions        *
   6:  * modified for use on microcomputer systems, unless the copies are      *
   7:  * included with a Unix system distribution and the source is provided.  *
   8:  *************************************************************************/
   9: 
  10: #include "jove.h"
  11: 
  12: #ifdef ABBREV
  13: 
  14: #include "io.h"
  15: #include "ctype.h"
  16: 
  17: #define HASHSIZE    20
  18: 
  19: struct abbrev {
  20:     unsigned int    a_hash;
  21:     char    *a_abbrev,
  22:         *a_phrase;
  23:     struct abbrev   *a_next;
  24:     data_obj    *a_cmdhook;
  25: };
  26: 
  27: #define GLOBAL  NMAJORS
  28: static struct abbrev    *A_tables[NMAJORS + 1][HASHSIZE] = {0};
  29: 
  30: int AutoCaseAbbrev = 1;
  31: 
  32: static unsigned int
  33: hash(a)
  34: register char   *a;
  35: {
  36:     register unsigned int   hashval = 0;
  37:     register int    c;
  38: 
  39:     while (c = *a++)
  40:         hashval = (hashval << 2) + c;
  41: 
  42:     return hashval;
  43: }
  44: 
  45: static
  46: def_abbrev(table)
  47: struct abbrev   *table[HASHSIZE];
  48: {
  49:     char    abbrev[100],
  50:         phrase[100];
  51: 
  52:     strcpy(abbrev, ask((char *) 0, "abbrev: "));
  53:     strcpy(phrase, ask((char *) 0, "abbrev: %s phrase: ", abbrev));
  54:     define(table, abbrev, phrase);
  55: }
  56: 
  57: static struct abbrev *
  58: lookup(table, abbrev)
  59: register struct abbrev  *table[HASHSIZE];
  60: register char   *abbrev;
  61: {
  62:     register struct abbrev  *ap;
  63:     unsigned int    h;
  64: 
  65:     h = hash(abbrev);
  66:     for (ap = table[h % HASHSIZE]; ap; ap = ap->a_next)
  67:         if (ap->a_hash == h && strcmp(ap->a_abbrev, abbrev) == 0)
  68:             break;
  69:     return ap;
  70: }
  71: 
  72: static
  73: define(table, abbrev, phrase)
  74: register struct abbrev  *table[HASHSIZE];
  75: char    *abbrev,
  76:     *phrase;
  77: {
  78:     register struct abbrev  *ap;
  79: 
  80:     ap = lookup(table, abbrev);
  81:     if (ap == 0) {
  82:         register unsigned int   h = hash(abbrev);
  83: 
  84:         ap = (struct abbrev *) emalloc(sizeof *ap);
  85:         ap->a_hash = h;
  86:         ap->a_abbrev = copystr(abbrev);
  87:         h %= HASHSIZE;
  88:         ap->a_next = table[h];
  89:         ap->a_cmdhook = 0;
  90:         table[h] = ap;
  91:     } else
  92:         free(ap->a_phrase);
  93:     ap->a_phrase = copystr(phrase);
  94: }
  95: 
  96: AbbrevExpand()
  97: {
  98:     Bufpos  point;
  99:     char    wordbuf[100];
 100:     register char   *wp = wordbuf,
 101:             *cp;
 102:     register int    c;
 103:     int UC_count = 0;
 104:     struct abbrev   *ap;
 105: 
 106:     DOTsave(&point);
 107:     exp = 1;
 108:     WITH_TABLE(curbuf->b_major)
 109:     BackWord();
 110:     while (curchar < point.p_char && ismword(c = linebuf[curchar])) {
 111:         if (AutoCaseAbbrev) {
 112:             if (isupper(c)) {
 113:                 UC_count++;
 114:                 c = tolower(c);
 115:             }
 116:         }
 117: 
 118:         *wp++ = c;
 119:         curchar++;
 120:     }
 121:     *wp = '\0';
 122:     END_TABLE();
 123: 
 124:     if ((ap = lookup(A_tables[curbuf->b_major], wordbuf)) == 0 &&
 125:         (ap = lookup(A_tables[GLOBAL], wordbuf)) == 0) {
 126:         SetDot(&point);
 127:         return;
 128:     }
 129:     DoTimes(DelPChar(), (wp - wordbuf));
 130: 
 131:     for (cp = ap->a_phrase; c = *cp; ) {
 132:         if (AutoCaseAbbrev) {
 133:             Insert(islower(c) && UC_count &&
 134:                    (cp == ap->a_phrase || (UC_count > 1 && (*(cp - 1) == ' '))) ?
 135:                 toupper(c) : c);
 136:         }
 137:         else {
 138:             Insert(c);
 139:         }
 140:         cp++;
 141:     }
 142: 
 143:     if (ap->a_cmdhook != 0)
 144:         ExecCmd(ap->a_cmdhook);
 145: }
 146: 
 147: static char *mode_names[NMAJORS + 1] = {
 148:     "Fundamental",
 149:     "Text Mode",
 150:     "C Mode",
 151: #ifdef LISP
 152:     "Lisp Mode",
 153: #endif
 154:     "Global"
 155: };
 156: 
 157: static
 158: save_abbrevs(file)
 159: char    *file;
 160: {
 161:     File    *fp;
 162:     struct abbrev   *ap,
 163:             **tp;
 164:     char    buf[LBSIZE];
 165:     int i,
 166:         count = 0;
 167: 
 168:     fp = open_file(file, buf, F_WRITE, COMPLAIN, QUIET);
 169:     for (i = 0; i <= GLOBAL; i++) {
 170:         fprintf(fp, "------%s abbrevs------\n", mode_names[i]);
 171:         for (tp = A_tables[i]; tp < &A_tables[i][HASHSIZE]; tp++)
 172:             for (ap = *tp; ap; ap = ap->a_next) {
 173:                 fprintf(fp, "%s:%s\n",
 174:                     ap->a_abbrev,
 175:                     ap->a_phrase);
 176:                 count++;
 177:             }
 178:     }
 179:     f_close(fp);
 180:     add_mess(" %d written.", count);
 181: }
 182: 
 183: static
 184: rest_abbrevs(file)
 185: char    *file;
 186: {
 187:     int eof = 0,
 188:         mode = -1,  /* Will be ++'d immediately */
 189:         lnum = 0;
 190:     char    *phrase_p;
 191:     File    *fp;
 192:     char    buf[LBSIZE];
 193: 
 194:     fp = open_file(file, buf, F_READ, COMPLAIN, QUIET);
 195:     while (mode <= GLOBAL) {
 196:         eof = f_gets(fp, genbuf, LBSIZE);
 197:         if (eof || genbuf[0] == '\0')
 198:             break;
 199:         lnum++;
 200:         if (strncmp(genbuf, "------", 6) == 0) {
 201:             mode++;
 202:             continue;
 203:         }
 204:         if (mode == -1)
 205: fmterr:         complain("Abbrev. format error, line %d.", file, lnum);
 206:         phrase_p = index(genbuf, ':');
 207:         if (phrase_p == 0)
 208:             goto fmterr;
 209:         *phrase_p++ = '\0'; /* Null terminate the abbrev. */
 210:         define(A_tables[mode], genbuf, phrase_p);
 211:     }
 212:     f_close(fp);
 213:     message(NullStr);
 214: }
 215: 
 216: DefGAbbrev()
 217: {
 218:     def_abbrev(A_tables[GLOBAL]);
 219: }
 220: 
 221: DefMAbbrev()
 222: {
 223:     def_abbrev(A_tables[curbuf->b_major]);
 224: }
 225: 
 226: SaveAbbrevs()
 227: {
 228:     char    filebuf[FILESIZE];
 229: 
 230:     save_abbrevs(ask_file((char *) 0, filebuf));
 231: }
 232: 
 233: RestAbbrevs()
 234: {
 235:     char    filebuf[FILESIZE];
 236: 
 237:     rest_abbrevs(ask_file((char *) 0, filebuf));
 238: }
 239: 
 240: EditAbbrevs()
 241: {
 242:     char    *tname = "jove_wam.$$$",
 243:         *EditName = "Abbreviation Edit";
 244:     Buffer  *obuf = curbuf,
 245:         *ebuf;
 246: 
 247:     if (ebuf = buf_exists(EditName)) {
 248:         if (ebuf->b_type != B_SCRATCH)
 249:             confirm("Over-write buffer %b?", ebuf);
 250:     }
 251:     SetBuf(ebuf = do_select(curwind, EditName));
 252:     ebuf->b_type = B_SCRATCH;
 253:     initlist(ebuf);
 254:     /* Empty buffer.  Save the definitions to a tmp file
 255: 	   and read them into this buffer so we can edit them. */
 256:     save_abbrevs(tname);
 257:     read_file(tname, NO);
 258:     message("[Edit definitions and then type C-X C-C]");
 259:     Recur();        /* We edit them ... now */
 260:     /* RESetBuf in case we deleted the buffer while we were editing. */
 261:     SetBuf(ebuf = do_select(curwind, EditName));
 262:     if (IsModified(ebuf)) {
 263:         SetBuf(ebuf);
 264:         file_write(tname, 0);
 265:         rest_abbrevs(tname);
 266:         unmodify();
 267:     }
 268:     (void) unlink(tname);
 269:     SetBuf(do_select(curwind, obuf->b_name));
 270: }
 271: 
 272: BindMtoW()
 273: {
 274:     struct abbrev   *ap;
 275:     char    *word;
 276:     data_obj    *hook;
 277: 
 278:     word = ask((char *) 0, "Word: ");
 279: 
 280:     if ((ap = lookup(A_tables[curbuf->b_major], word)) == 0 &&
 281:         (ap = lookup(A_tables[GLOBAL], word)) == 0)
 282:             complain("%s: unknown abbrev.", word);
 283: 
 284:     hook = findmac("Macro: ");
 285:     if (hook == 0)
 286:         complain("[Undefined macro]");
 287:     ap->a_cmdhook = hook;
 288: }
 289: 
 290: #endif ABBREV

Defined functions

AbbrevExpand defined in line 96; used 2 times
BindMtoW defined in line 272; used 2 times
DefGAbbrev defined in line 216; used 2 times
DefMAbbrev defined in line 221; used 2 times
EditAbbrevs defined in line 240; used 2 times
RestAbbrevs defined in line 233; used 2 times
SaveAbbrevs defined in line 226; used 2 times
def_abbrev defined in line 45; used 2 times
define defined in line 72; used 2 times
hash defined in line 32; used 2 times
lookup defined in line 57; used 5 times
rest_abbrevs defined in line 183; used 2 times
save_abbrevs defined in line 157; used 2 times

Defined variables

A_tables defined in line 28; used 9 times
AutoCaseAbbrev defined in line 30; used 3 times
mode_names defined in line 147; used 1 times

Defined struct's

abbrev defined in line 19; used 24 times

Defined macros

GLOBAL defined in line 27; used 5 times
HASHSIZE defined in line 17; used 7 times
Last modified: 1986-03-31
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