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- /***************************************************************************
- * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne. JOVE *
- * is provided to you without charge, and with no warranty. You may give *
- * away copies of JOVE, including sources, provided that this notice is *
- * included in all the files. *
- ***************************************************************************/
-
- #include "jove.h"
- #include "ctype.h"
-
- #ifdef MAC
- # undef private
- # define private
- #endif
-
- #ifdef LINT_ARGS
- private int
- #if !(defined(IBMPC) || defined(MAC))
- lower(char *),
- #endif
- upper(char *);
- #else
- private int
- #if !(defined(IBMPC) || defined(MAC))
- lower(),
- #endif
- upper();
- #endif /* LINT_ARGS */
-
- #ifdef MAC
- # undef private
- # define private static
- #endif
-
- void
- CapChar()
- {
- register int num,
- restore = NO;
- Bufpos b;
-
- DOTsave(&b);
-
- num = arg_value();
- if (num < 0) {
- restore = YES;
- num = -num;
- b_char(num); /* Cap previous EXP chars */
- }
- while (num--) {
- if (upper(&linebuf[curchar])) {
- modify();
- makedirty(curline);
- }
- if (eolp()) {
- if (curline->l_next == 0)
- break;
- SetLine(curline->l_next);
- } else
- curchar += 1;
- }
- if (restore)
- SetDot(&b);
- }
-
- void
- CapWord()
- {
- register int num,
- restore = NO;
- Bufpos b;
-
- DOTsave(&b);
- num = arg_value();
- if (num < 0) {
- restore = YES;
- num = -num;
- b_word(num); /* Cap previous EXP words */
- }
- while (num--) {
- to_word(1); /* Go to the beginning of the next word. */
- if (eobp())
- break;
- if (upper(&linebuf[curchar])) {
- modify();
- makedirty(curline);
- }
- curchar += 1;
- while (!eolp() && isword(linebuf[curchar])) {
- if (lower(&linebuf[curchar])) {
- modify();
- makedirty(curline);
- }
- curchar += 1;
- }
- }
- if (restore)
- SetDot(&b);
- }
-
- void
- case_word(up)
- {
- Bufpos before;
-
- DOTsave(&before);
- ForWord(); /* this'll go backward if negative argument */
- case_reg(before.p_line, before.p_char, curline, curchar, up);
- }
-
- private int
- upper(c)
- register char *c;
- {
- if (islower(*c)) {
- #ifndef ASCII /* check for IBM extended character set */
- if (*c <= 127)
- #endif /* ASCII */
- *c -= ' ';
- #ifdef IBMPC /* ... and change Umlaute */
- else
- switch (*c) {
- case 129: *c = 154; break; /* ue */
- case 132: *c = 142; break; /* ae */
- case 148: *c = 153; break; /* oe */
- }
- #endif /* IBMPC */
- #ifdef MAC
- else *c = CaseEquiv[*c];
- #endif
- return 1;
- }
- return 0;
- }
-
- #if !(defined(IBMPC) || defined(MAC))
- private
- #endif
- int
- lower(c)
- char *c;
- {
- if (isupper(*c)) {
- #ifndef ASCII
- if (*c <= 127)
- #endif /* ASCII */
- *c += ' ';
- #ifdef IBMPC
- else
- switch (*c) {
- case 142: *c = 132; break; /* Ae */
- case 153: *c = 148; break; /* Oe */
- case 154: *c = 129; break; /* Ue */
- }
- #endif /* IBMPC */
- #ifdef MAC
- else {
- int n;
-
- for(n = 128; n < 256; n++) {
- if((CaseEquiv[n] == *c) && islower(n)) {
- *c = n;
- break;
- }
- }
- if(n > 255) return(0);
- }
- #endif /* MAC */
- return 1;
- }
- return 0;
- }
-
- void
- case_reg(line1, char1, line2, char2, up)
- Line *line1,
- *line2;
- int char1;
- {
- (void) fixorder(&line1, &char1, &line2, &char2);
- DotTo(line1, char1);
-
- for (;;) {
- if (curline == line2 && curchar == char2)
- break;
- if (!eolp())
- if ((up) ? upper(&linebuf[curchar]) : lower(&linebuf[curchar])) {
- makedirty(curline);
- modify();
- }
- f_char(1);
- }
- }
-
- void
- CasRegLower()
- {
- CaseReg(0);
- }
-
- void
- CasRegUpper()
- {
- CaseReg(1);
- }
-
- void
- CaseReg(up)
- {
- register Mark *mp = CurMark();
- Bufpos savedot;
-
- DOTsave(&savedot);
- case_reg(curline, curchar, mp->m_line, mp->m_char, up);
- SetDot(&savedot);
- }
-
- void
- UppWord()
- {
- case_word(1);
- }
-
- void
- LowWord()
- {
- case_word(0);
- }
-