1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
#include "fm.h"
#include "regex.h"
int
forwardSearch(Buffer * buf, char *str)
{
char *p, *first, *last;
Line *l, *begin;
int wrapped = FALSE;
int pos;
if ((p = regexCompile(str, IgnoreCase)) != NULL) {
message(p, 0, 0);
return FALSE;
}
l = begin = buf->currentLine;
if (l == NULL)
return FALSE;
pos = buf->pos + 1;
#ifdef JP_CHARSET
if (l->propBuf[pos] & PC_KANJI2)
pos++;
#endif
if (regexMatch(&l->lineBuf[pos], l->len - pos, 0) == 1) {
matchedPosition(&first, &last);
buf->pos = first - l->lineBuf;
arrangeCursor(buf);
return FALSE;
}
for (l = l->next;; l = l->next) {
if (l == NULL) {
if (buf->pagerSource) {
l = getNextPage(buf, 1);
if (l == NULL) {
if (WrapSearch && !wrapped) {
l = buf->firstLine;
wrapped = TRUE;
}
else {
break;
}
}
}
else if (WrapSearch) {
l = buf->firstLine;
wrapped = TRUE;
}
else {
break;
}
}
if (regexMatch(l->lineBuf, l->len, 1) == 1) {
matchedPosition(&first, &last);
if (wrapped && l == begin && buf->pos == first - l->lineBuf)
/* exactly same match */
break;
buf->pos = first - l->lineBuf;
buf->currentLine = l;
gotoLine(buf, l->linenumber);
arrangeCursor(buf);
return wrapped;
}
if (wrapped && l == begin) /* no match */
break;
}
disp_message("Not found", FALSE);
return FALSE;
}
int
backwardSearch(Buffer * buf, char *str)
{
char *p, *q, *found, *first, *last;
Line *l, *begin;
int wrapped = FALSE;
int pos;
if ((p = regexCompile(str, IgnoreCase)) != NULL) {
message(p, 0, 0);
return FALSE;
}
l = begin = buf->currentLine;
if (l == NULL)
return FALSE;
if (buf->pos > 0) {
pos = buf->pos - 1;
#ifdef JP_CHARSET
if (l->propBuf[pos] & PC_KANJI2)
pos--;
#endif
p = &l->lineBuf[pos];
found = NULL;
q = l->lineBuf;
while (regexMatch(q, &l->lineBuf[l->len] - q, q == l->lineBuf) == 1) {
matchedPosition(&first, &last);
if (first <= p)
found = first;
#ifdef JP_CHARSET
if (l->propBuf[q - l->lineBuf] & PC_KANJI1)
q += 2;
else
#endif
q++;
if (q > p)
break;
}
if (found) {
buf->pos = found - l->lineBuf;
arrangeCursor(buf);
return FALSE;
}
}
for (l = l->prev;; l = l->prev) {
if (l == NULL) {
if (WrapSearch) {
l = buf->lastLine;
wrapped = TRUE;
}
else {
break;
}
}
found = NULL;
q = l->lineBuf;
while (regexMatch(q, &l->lineBuf[l->len] - q, q == l->lineBuf) == 1) {
matchedPosition(&first, &last);
if (wrapped && l == begin && buf->pos == first - l->lineBuf)
/* exactly same match */
;
else
found = first;
#ifdef JP_CHARSET
if (l->propBuf[q - l->lineBuf] & PC_KANJI1)
q += 2;
else
#endif
q++;
}
if (found) {
buf->pos = found - l->lineBuf;
buf->currentLine = l;
gotoLine(buf, l->linenumber);
arrangeCursor(buf);
return wrapped;
}
if (wrapped && l == begin) /* no match */
break;
}
disp_message("Not found", FALSE);
return FALSE;
}
|
