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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Copyright (c) 1996-2003, Darren Hiebert
*
* This source code is released into the public domain.
*
* This module contains functions for reading tag files.
*/
/*
* INCLUDE FILES
*/
#include "printtags.h"
#include <stdio.h>
/*
* DATA DEFINITIONS
*/
static tagPrintProcs printFILEProcs = {
.printStr = (int (*) (const char *, void *))fputs,
.printChar = (int (*) (int, void *))fputc,
};
/*
* FUNCTION DEFINITIONS
*/
static void ultostr (char dst [21], unsigned long d)
{
int o [20];
int i;
if (d == 0)
{
dst [0] = '0';
dst [1] = '\0';
return;
}
for (i = 0; d != 0; i++, d = d/10)
o [i] = d % 10;
for (int j = i - 1; j >= 0; j--)
dst [i - j - 1] = o[j] + '0';
dst [i] = '\0';
}
static void printValue (const char *val, int printingWithEscaping,
int (* print_str) (const char *, void *),
int (* print_char) (int, void *),
void *outfp)
{
if (printingWithEscaping)
{
for(; *val != '\0'; val++)
{
switch (*val)
{
case '\t': print_str ("\\t", outfp); break;
case '\r': print_str ("\\r", outfp); break;
case '\n': print_str ("\\n", outfp); break;
case '\\': print_str ("\\\\", outfp); break;
/* Universal-CTags extensions */
case '\a': print_str ("\\a", outfp); break;
case '\b': print_str ("\\b", outfp); break;
case '\v': print_str ("\\v", outfp); break;
case '\f': print_str ("\\f", outfp); break;
default:
if ((0x01 <= *val && *val <= 0x1F) || *val == 0x7F)
{
char c[5] = {
[0] = '\\',
[1] = 'x',
};
c [2] = (*val / 16) % 16;
#if 0
if (c [2] == 0)
{
c [2] = *val % 16;
c [2] += ( c [2] < 10 )? '0': 'A' - 9;
c [3] = '\0';
}
else
#endif
{
c [2] += ( c [2] < 10 )? '0': 'A' - 9;
c [3] = *val % 16;
c [3] += ( c [3] < 10 )? '0': 'A' - 9;
c [4] = '\0';
}
print_str (c, outfp);
}
else
print_char (*val, outfp);
}
}
}
else
print_str (val, outfp);
}
static void tagsPrintTag (const tagEntry *entry,
int printingExtensionFields,
int printingLineNumber,
int printingWithEscaping,
int pseudoTag,
int (* print_str) (const char *, void *),
int (* print_char) (int, void *),
void *outfp)
{
int i;
int first = 1;
const char* separator = ";\"";
const char* const empty = "";
/* "sep" returns a value only the first time it is evaluated */
#define sep (first ? (first = 0, separator) : empty)
if (entry->name == NULL
|| entry->file == NULL
|| entry->address.pattern == NULL)
return;
if (pseudoTag)
printValue (entry->name, printingWithEscaping,
print_str, print_char, outfp);
else if (*entry->name == '!' && printingWithEscaping)
{
print_str ("\\x21", outfp);
printValue (entry->name + 1, printingWithEscaping,
print_str, print_char, outfp);
}
else if (*entry->name == ' ' && printingWithEscaping)
{
print_str ("\\x20", outfp);
printValue (entry->name + 1, printingWithEscaping,
print_str, print_char, outfp);
}
else
printValue (entry->name, printingWithEscaping,
print_str, print_char, outfp);
print_char ('\t', outfp);
print_str (entry->file, outfp);
print_char ('\t', outfp);
print_str (entry->address.pattern, outfp);
if (printingExtensionFields)
{
if (entry->kind != NULL && entry->kind [0] != '\0')
{
print_str (sep, outfp);
print_str ("\tkind:", outfp);
printValue (entry->kind, printingWithEscaping,
print_str, print_char, outfp);
first = 0;
}
if (entry->fileScope)
{
print_str (sep, outfp);
print_str ("\tfile:", outfp);
first = 0;
}
if (printingLineNumber && entry->address.lineNumber > 0)
{
print_str (sep, outfp);
print_str ("\tline:", outfp);
char buf [20 + 1]; /* 20 comes from UINNT64_MAX, 1 is for \0. */
ultostr (buf, entry->address.lineNumber);
print_str (buf, outfp);
first = 0;
}
for (i = 0 ; i < entry->fields.count ; ++i)
{
if (entry->fields.list [i].key)
{
print_str (sep, outfp);
print_char ('\t', outfp);
print_str (entry->fields.list [i].key, outfp);
print_char (':', outfp);
if (entry->fields.list [i].value)
printValue (entry->fields.list [i].value,
printingWithEscaping, print_str, print_char, outfp);
first = 0;
}
}
}
print_char ('\n', outfp);
#undef sep
}
extern int tagsPrint (const tagEntry *entry,
tagPrintOptions *opt, tagPrintProcs *procs, void *outfp)
{
if (!procs)
procs = &printFILEProcs;
tagsPrintTag (entry,
opt->extensionFields,
opt->lineNumber,
opt->escaping,
0,
procs->printStr,
procs->printChar,
outfp);
return 1; /* TODO */
}
extern int tagsPrintPseudoTag (const tagEntry *entry,
tagPrintOptions *opt, tagPrintProcs *procs, void *outfp)
{
if (!procs)
procs = &printFILEProcs;
tagsPrintTag (entry,
opt->extensionFields,
opt->lineNumber,
opt->escaping,
1,
procs->printStr,
procs->printChar,
outfp);
return 1; /* TODO */
}
|
