int EBuffer::LineJoin() {
if (JoinLine(VToR(CP.Row), CP.Col)) return 1;
return 0;
}
int EBuffer::BlockKill() {
EPoint B, E;
int L;
int Y = -1;
AutoExtend = 0;
if (CheckBlock() == 0) return 0;
if (RCount <= 0) return 0;
B = BB;
E = BE;
Draw(B.Row, -1);
// if (MoveToPos(B.Col, B.Row) == 0) return 0;
#ifdef CONFIG_UNDOREDO
if (BFI(this, BFI_Undo) == 1) {
if (PushULong(CP.Col) == 0) return 0;
if (PushULong(CP.Row) == 0) return 0;
if (PushUChar(ucPosition) == 0) return 0;
}
#endif
switch (BlockMode) {
case bmLine:
Y = VToR(CP.Row);
if (Y >= B.Row) {
if (Y >= E.Row) {
if (SetPosR(CP.Col, Y - (E.Row - B.Row)) == 0) return 0;
} else {
if (SetPosR(CP.Col, B.Row) == 0) return 0;
}
}
for (L = B.Row; L < E.Row; L++)
if (DelLine(B.Row) == 0) return 0;
break;
case bmColumn:
Y = VToR(CP.Row);
if (Y >= B.Row && Y < E.Row) {
if (CP.Col >= B.Col) {
if (CP.Col >= E.Col) {
if (SetPos(CP.Col - (E.Col - B.Col), CP.Row) == 0) return 0;
} else {
if (SetPos(B.Col, CP.Row) == 0) return 0;
}
}
}
for (L = B.Row; L < E.Row; L++)
if (DelText(L, B.Col, E.Col - B.Col) == 0) return 0;
break;
case bmStream:
Y = VToR(CP.Row);
if (B.Row == E.Row) {
if (Y == B.Row) {
if (CP.Col >= B.Col) {
if (CP.Col >= E.Col) {
if (SetPos(CP.Col - (E.Col - B.Col), CP.Row) == 0) return 0;
} else {
if (SetPos(B.Col, CP.Row) == 0) return 0;
}
}
}
if (DelText(B.Row, B.Col, E.Col - B.Col) == 0) return 0;
} else {
if (Y >= B.Row) {
if (Y > E.Row || (Y == E.Row && E.Col == 0)) {
if (SetPosR(CP.Col, Y - (E.Row - B.Row)) == 0) return 0;
} else if (Y == E.Row) {
if (CP.Col >= E.Col) {
if (SetPosR(CP.Col - E.Col + B.Col, B.Row) == 0) return 0;
} else {
if (SetPosR(B.Col, B.Row) == 0) return 0;
}
} else {
if (SetPosR(B.Col, B.Row) == 0) return 0;
}
}
if (DelText(E.Row, 0, E.Col) == 0) return 0;
for (L = B.Row + 1; L < E.Row; L++)
if (DelLine(B.Row + 1) == 0) return 0;
if (DelText(B.Row, B.Col, -1) == 0) return 0;
if (JoinLine(B.Row, B.Col) == 0) return 0;
}
break;
}
return BlockUnmark();
}
int EBuffer::DoWrap(int WrapAll) {
int L, Len, C, P, Ind;
PELine LP;
int Left = BFI(this, BFI_LeftMargin), Right = BFI(this, BFI_RightMargin);
int FirstParaLine;
int NoChange = 0, NoChangeX = 0;
if (Left >= Right) return 0;
L = VToR(CP.Row);
FirstParaLine = 0;
if (L > 0)
if (IsLineBlank(L - 1)) FirstParaLine = L;
while (L < RCount) {
NoChange = 1;
if (VToR(CP.Row) != L || L != FirstParaLine) {
if (VToR(CP.Row) == L)
if (CP.Col <= LineIndented(L))
if (SetPos(Left, CP.Row) == 0) WFAIL(1);
Ind = IndentLine(L, Left);
if (VToR(CP.Row) == L)
if (SetPos((CP.Col + Ind > 0) ? CP.Col + Ind : 0, CP.Row) == 0) WFAIL(2);
NoChange = 0;
}
Len = LineLen(L);
if (IsLineBlank(L)) break;
if (Len < Right) {
int firstwordbeg = -1;
int firstwordend = -1;
int X;
PELine lp;
if (L < RCount - 1) {
IndentLine(L + 1, 0);
if ((ScreenPos(RLine(L + 1), RLine(L + 1)->Count) == 0) ||
(RLine(L + 1)->Chars[0] == '>') || (RLine(L + 1)->Chars[0] == '<')) break;
} else
break;
if (L + 1 >= RCount) break;
lp = RLine(L + 1);
for (X = 0; X < lp->Count; X++) {
if (firstwordbeg == -1 &&
((lp->Chars[X] != ' ') && (lp->Chars[X] != '\t'))) {
firstwordbeg = X;
} else if (firstwordend == -1 &&
((lp->Chars[X] == ' ' || lp->Chars[X] == '\t'))) {
firstwordend = X - 1;
}
}
if (firstwordbeg != -1)
if (firstwordend == -1)
firstwordend = lp->Count;
if (firstwordend == -1) break;
if (Right - Len > firstwordend - firstwordbeg) {
if (JoinLine(L, Len + 1) == 0) WFAIL(3);
NoChange = 0;
continue;
} else
IndentLine(L + 1, Left);
} else if (Len > Right) {
C = Right;
P = CharOffset(LP = RLine(L), C);
while ((C > Left) &&
((LP->Chars[P] != ' ') &&
(LP->Chars[P] != 9)))
C = ScreenPos(LP, --P);
if (P <= Left) {
L++;
continue;
}
C = ScreenPos(LP, P);
if (SplitLine(L, C) == 0) WFAIL(4);
IndentLine(L + 1, Left);
if (L < RCount - 2 && LineLen(L + 1) == Left) {
if (!IsLineBlank(L + 2)) {
if (JoinLine(L + 1, Left) == 0) WFAIL(5);
}
}
if (L == VToR(CP.Row) && CP.Col > C) {
if (SetPos(Left + CP.Col - C - 1, CP.Row + 1) == 0) WFAIL(6);
}
NoChange = 0;
L++;
continue;
}
if (WrapAll == 0)
if (NoChangeX) {
//printf("\n\nBreak OUT = %d\n\x7", L);
break;
}
L++;
NoChangeX = NoChange;
}
if (WrapAll == 1)
if (SetPosR(Left,
(L < RCount - 2) ? (L + 2) :
(L < RCount - 1) ? (L + 1) :
(RCount - 1)) == 0) WFAIL(7);
return 1;
}
int EBuffer::Find(SearchReplaceOptions &opt) {
int slen = strlen(opt.strSearch);
int Options = opt.Options;
int rlen = strlen(opt.strReplace);
RxNode *R = NULL;
opt.resCount = -1;
opt.lastInsertLen = 0;
if (slen == 0) return 0;
if (Options & SEARCH_BLOCK) {
if (CheckBlock() == 0) return 0;
}
if (Options & SEARCH_RE) {
R = RxCompile(opt.strSearch);
if (R == 0) {
View->MView->Win->Choice(GPC_ERROR, "Find", 1, "O&K", "Invalid regular expression.");
return 0;
}
}
if (Options & SEARCH_GLOBAL) {
if (Options & SEARCH_BLOCK) {
if (Options & SEARCH_BACK) {
if (SetPosR(BE.Col, BE.Row) == 0) goto error;
} else {
if (SetPosR(BB.Col, BB.Row) == 0) goto error;
}
} else {
if (Options & SEARCH_BACK) {
if (RCount < 1) goto error;
if (SetPosR(LineLen(RCount - 1), RCount - 1) == 0) goto error;
} else {
if (SetPosR(0, 0) == 0) goto error;
}
}
}
opt.resCount = 0;
while (1) {
if (Options & SEARCH_RE) {
if (FindRx(R, opt) == 0) goto end;
} else {
if (FindStr(opt.strSearch, slen, opt) == 0) goto end;
}
opt.resCount++;
if (opt.Options & SEARCH_REPLACE) {
char ask = 'A';
if (!(Options & SEARCH_NASK)) {
char ch;
while (1) {
Draw(VToR(CP.Row), 1);
Redraw();
switch (View->MView->Win->Choice(0, "Replace",
5,
"&Yes",
"&All",
"&Once",
"&Skip",
"&Cancel",
"Replace with %s?", opt.strReplace)) {
case 0:
ch = 'Y';
break;
case 1:
ch = 'A';
break;
case 2:
ch = 'O';
break;
case 3:
ch = 'N';
break;
case 4:
case -1:
default:
ch = 'Q';
break;
}
if (ch == 'Y') {
ask = 'Y';
goto ok_rep;
}
if (ch == 'N') {
ask = 'N';
goto ok_rep;
}
if (ch == 'Q') {
ask = 'Q';
goto ok_rep;
}
if (ch == 'A') {
ask = 'A';
goto ok_rep;
}
if (ch == 'O') {
ask = 'O';
goto ok_rep;
}
}
ok_rep:
if (ask == 'N') goto try_join;
if (ask == 'Q') goto end;
if (ask == 'A') Options |= SEARCH_NASK;
}
if (Options & SEARCH_RE) {
PELine L = RLine(Match.Row);
int P, R;
char *PR = 0;
int LR = 0;
R = Match.Row;
P = Match.Col;
P = CharOffset(L, P);
if (0 == RxReplace(opt.strReplace, L->Chars, L->Count, MatchRes, &PR, &LR)) {
if (DelText(R, Match.Col, MatchLen) == 0) goto error;
if (PR && LR > 0)
if (InsText(R, Match.Col, LR, PR) == 0) goto error;
if (PR)
free(PR);
rlen = LR;
}
} else {
if (DelText(Match.Row, Match.Col, MatchLen) == 0) goto error;
if (InsText(Match.Row, Match.Col, rlen, opt.strReplace) == 0) goto error;
// Cursor remains at start of inserted string. If there is recursive
// replace pattern, fte can go it infinite loop.
// Workaround: Move cursor to end of inserted string
opt.lastInsertLen = strlen(opt.strReplace);
}
if (!(Options & SEARCH_BACK)) {
MatchLen = rlen;
MatchCount = rlen;
}
if (ask == 'O')
goto end;
}
try_join:
if (Options & SEARCH_JOIN) {
char ask = 'A';
if (!(Options & SEARCH_NASK)) {
char ch;
while (1) {
Draw(VToR(CP.Row), 1);
Redraw();
switch (View->MView->Win->Choice(0, "Join Line",
5,
"&Yes",
"&All",
"&Once",
"&Skip",
"&Cancel",
"Join lines %d and %d?", 1 + VToR(CP.Row), 1 + VToR(CP.Row) + 1)) {
case 0:
ch = 'Y';
break;
case 1:
ch = 'A';
break;
case 2:
ch = 'O';
break;
case 3:
ch = 'N';
break;
case 4:
case -1:
default:
ch = 'Q';
break;
}
if (ch == 'Y') {
ask = 'Y';
goto ok_join;
}
if (ch == 'N') {
ask = 'N';
goto ok_join;
}
if (ch == 'Q') {
ask = 'Q';
goto ok_join;
}
if (ch == 'A') {
ask = 'A';
goto ok_join;
}
if (ch == 'O') {
ask = 'O';
goto ok_join;
}
}
ok_join:
if (ask == 'N') goto try_split;
if (ask == 'Q') goto end;
if (ask == 'A') Options |= SEARCH_NASK;
}
if (JoinLine(Match.Row, Match.Col) == 0) goto error;
if (ask == 'O')
goto end;
}
try_split:
if (Options & SEARCH_SPLIT) {
char ask = 'A';
if (!(Options & SEARCH_NASK)) {
char ch;
while (1) {
Draw(VToR(CP.Row), 1);
Redraw();
switch(View->MView->Win->Choice(0, "Split Line",
5,
"&Yes",
"&All",
"&Once",
"&Skip",
"&Cancel",
"Split line %d?", VToR(CP.Row)))
{
case 0:
ch = 'Y';
break;
case 1:
ch = 'A';
break;
case 2:
ch = 'O';
break;
case 3:
ch = 'S';
break;
case 4:
case -1:
default:
ch = 'Q';
break;
}
if (ch == 'Y') {
ask = 'Y';
goto ok_split;
}
else if (ch == 'N') {
ask = 'N';
goto ok_split;
}
else if (ch == 'Q') {
ask = 'Q';
goto ok_split;
}
else if (ch == 'A') {
ask = 'A';
goto ok_split;
}
else if (ch == 'O') {
ask = 'O';
goto ok_split;
}
}
ok_split:
if (ask == 'N') goto try_delete;
if (ask == 'Q') goto end;
if (ask == 'A') Options |= SEARCH_NASK;
}
if (SplitLine(Match.Row, Match.Col + strlen(opt.strReplace)) == 0)
goto error;
if (ask == 'O')
goto end;
}
try_delete:
if (Options & SEARCH_DELETE) {
char ask = 'A';
if (!(Options & SEARCH_NASK)) {
char ch;
while (1) {
Draw(VToR(CP.Row), 1);
Redraw();
switch (View->MView->Win->Choice(0, "Delete Line",
5,
"&Yes",
"&All",
"&Once",
"&Skip",
"&Cancel",
"Delete line %d?", VToR(CP.Row))) {
case 0:
ch = 'Y';
break;
case 1:
ch = 'A';
break;
case 2:
ch = 'O';
break;
case 3:
ch = 'N';
break;
case 4:
case -1:
default:
ch = 'Q';
break;
}
if (ch == 'Y') {
ask = 'Y';
goto ok_delete;
}
if (ch == 'N') {
ask = 'N';
goto ok_delete;
}
if (ch == 'Q') {
ask = 'Q';
goto ok_delete;
}
if (ch == 'A') {
ask = 'A';
goto ok_delete;
}
if (ch == 'O') {
ask = 'O';
goto ok_delete;
}
}
ok_delete:
if (ask == 'N') goto next;
if (ask == 'Q') goto end;
if (ask == 'A') Options |= SEARCH_NASK;
}
if (Match.Row == RCount - 1) {
if (DelText(Match.Row, 0, LineLen()) == 0) goto error;
} else
if (DelLine(Match.Row) == 0) goto error;
if (ask == 'O')
goto end;
if (!(Options & SEARCH_ALL))
break;
goto last;
}
next:
if (!(Options & SEARCH_ALL))
break;
Options |= SEARCH_NEXT;
last:
;
}
end:
// end of search
if (R)
RxFree(R);
if (Options & SEARCH_ALL)
Msg(S_INFO, "%d match(es) found.", opt.resCount);
else {
if (opt.resCount == 0) {
Msg(S_INFO, "[%s] not found", opt.strSearch);
return 0;
}
}
return 1;
error:
if (R) {
RxFree(R);
}
View->MView->Win->Choice(GPC_ERROR, "Find", 1, "O&K", "Error in search/replace.");
return 0;
}
