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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
htop - RichString.c
(C) 2004,2011 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "RichString.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "Macros.h"
#include "XUtils.h"
#define charBytes(n) (sizeof(CharType) * (n))
static void RichString_extendLen(RichString* this, int len) {
if (this->chlen <= RICHSTRING_MAXLEN) {
if (len > RICHSTRING_MAXLEN) {
this->chptr = xMalloc(charBytes(len + 1));
memcpy(this->chptr, this->chstr, charBytes(this->chlen));
}
} else {
if (len <= RICHSTRING_MAXLEN) {
memcpy(this->chstr, this->chptr, charBytes(len));
free(this->chptr);
this->chptr = this->chstr;
} else {
this->chptr = xRealloc(this->chptr, charBytes(len + 1));
}
}
RichString_setChar(this, len, 0);
this->chlen = len;
}
static void RichString_setLen(RichString* this, int len) {
if (len < RICHSTRING_MAXLEN && this->chlen < RICHSTRING_MAXLEN) {
RichString_setChar(this, len, 0);
this->chlen = len;
} else {
RichString_extendLen(this, len);
}
}
#ifdef HAVE_LIBNCURSESW
static inline int RichString_writeFromWide(RichString* this, int attrs, const char* data_c, int from, int len) {
wchar_t data[len + 1];
len = mbstowcs(data, data_c, len);
if (len <= 0)
return 0;
int newLen = from + len;
RichString_setLen(this, newLen);
for (int i = from, j = 0; i < newLen; i++, j++) {
this->chptr[i] = (CharType) { .attr = attrs & 0xffffff, .chars = { (iswprint(data[j]) ? data[j] : '?') } };
}
return wcswidth(data, len);
}
static inline int RichString_writeFromAscii(RichString* this, int attrs, const char* data, int from, int len) {
int newLen = from + len;
RichString_setLen(this, newLen);
for (int i = from, j = 0; i < newLen; i++, j++) {
this->chptr[i] = (CharType) { .attr = attrs & 0xffffff, .chars = { (isprint(data[j]) ? data[j] : '?') } };
}
return len;
}
inline void RichString_setAttrn(RichString* this, int attrs, int start, int charcount) {
int end = CLAMP(start + charcount, 0, this->chlen);
for (int i = start; i < end; i++) {
this->chptr[i].attr = attrs;
}
}
void RichString_appendChr(RichString* this, int attrs, char c, int count) {
int from = this->chlen;
int newLen = from + count;
RichString_setLen(this, newLen);
for (int i = from; i < newLen; i++) {
this->chptr[i] = (CharType) { .attr = attrs, .chars = { c, 0 } };
}
}
int RichString_findChar(const RichString* this, char c, int start) {
const wchar_t wc = btowc(c);
const cchar_t* ch = this->chptr + start;
for (int i = start; i < this->chlen; i++) {
if (ch->chars[0] == wc)
return i;
ch++;
}
return -1;
}
#else /* HAVE_LIBNCURSESW */
static inline int RichString_writeFromWide(RichString* this, int attrs, const char* data_c, int from, int len) {
int newLen = from + len;
RichString_setLen(this, newLen);
for (int i = from, j = 0; i < newLen; i++, j++) {
this->chptr[i] = (((unsigned char)data_c[j]) >= 32 ? ((unsigned char)data_c[j]) : '?') | attrs;
}
this->chptr[newLen] = 0;
return len;
}
static inline int RichString_writeFromAscii(RichString* this, int attrs, const char* data_c, int from, int len) {
return RichString_writeFromWide(this, attrs, data_c, from, len);
}
void RichString_setAttrn(RichString* this, int attrs, int start, int charcount) {
int end = CLAMP(start + charcount, 0, this->chlen);
for (int i = start; i < end; i++) {
this->chptr[i] = (this->chptr[i] & 0xff) | attrs;
}
}
void RichString_appendChr(RichString* this, int attrs, char c, int count) {
int from = this->chlen;
int newLen = from + count;
RichString_setLen(this, newLen);
for (int i = from; i < newLen; i++) {
this->chptr[i] = c | attrs;
}
}
int RichString_findChar(const RichString* this, char c, int start) {
const chtype* ch = this->chptr + start;
for (int i = start; i < this->chlen; i++) {
if ((*ch & 0xff) == (chtype) c)
return i;
ch++;
}
return -1;
}
#endif /* HAVE_LIBNCURSESW */
void RichString_prune(RichString* this) {
if (this->chlen > RICHSTRING_MAXLEN)
free(this->chptr);
memset(this, 0, sizeof(RichString));
this->chptr = this->chstr;
}
void RichString_setAttr(RichString* this, int attrs) {
RichString_setAttrn(this, attrs, 0, this->chlen);
}
int RichString_appendWide(RichString* this, int attrs, const char* data) {
return RichString_writeFromWide(this, attrs, data, this->chlen, strlen(data));
}
int RichString_appendnWide(RichString* this, int attrs, const char* data, int len) {
return RichString_writeFromWide(this, attrs, data, this->chlen, len);
}
int RichString_writeWide(RichString* this, int attrs, const char* data) {
return RichString_writeFromWide(this, attrs, data, 0, strlen(data));
}
int RichString_appendAscii(RichString* this, int attrs, const char* data) {
return RichString_writeFromAscii(this, attrs, data, this->chlen, strlen(data));
}
int RichString_appendnAscii(RichString* this, int attrs, const char* data, int len) {
return RichString_writeFromAscii(this, attrs, data, this->chlen, len);
}
int RichString_writeAscii(RichString* this, int attrs, const char* data) {
return RichString_writeFromAscii(this, attrs, data, 0, strlen(data));
}
|
