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
|
/* Copyright (C) 2009 Luke Shumaker
This file is part of rvs.
rvs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your
option) any later version.
rvs is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with rvs; see the file COPYING.
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
void _plugin_parse_comment (FILE *file)
{
char c;
while ( (c=getc(file)) != EOF ) {
if ( c == '\n' ) {
ungetc (c, file);
break;
}
}
}
char _plugin_parse_escape(FILE *file)
{
char c=getc(file);
switch (c) {
case 'n':
c = '\n';
case '\\':
case '#':
case ':':
break;
default:
error(EXIT_FAILURE,0,"syntax error");
break;
}
return c;
}
char *_plugin_parse_depend (FILE *file)
{
size_t nbytes = 10;
char *string = (char *)xmalloc(nbytes);
string[0]='\0';
char c[2] = " \0";
char *cs = (char *)&c;
while ( (c[0]=getc(file)) != EOF ) {
if (c[0] == '\n') {
ungetc (c[0], file);
break;
} else {
switch (c[0]) {
case '\\':
c[0]=_plugin_parse_escape(file);
stradds(&nbytes,&string,cs);
break;
case '#':
_plugin_parse_comment(file);
break;
default:
stradds(&nbytes,&string,cs);
break;
}
}
}
return string;
}
struct plugin_command *_plugin_parse (struct plugin *plugin, FILE *file)
{
struct plugin_command *command;
command=(struct plugin_command *)xmalloc(sizeof(*command));
command->plugin=plugin;
command->p_next=NULL;
command->depend=NULL;
command->depends=NULL;
command->child=NULL;
command->d_next=NULL;
size_t nbytes = 10;
char *string = (char *)xmalloc(nbytes);
string[0]='\0';
char c[2] = " \0";
char *cs = (char *)&c;
if ( (c[0]=getc(file)) == EOF ) {
return NULL;
} else {
ungetc (c[0], file);
}
while ( (c[0]=getc(file)) != EOF ) {
if (c[0] == '\n') {
if (strcmp(string,"")==0) {
xfree(command);
xfree(string);
command=_plugin_parse(plugin, file);
} else {
command->name=string;
command->p_next=_plugin_parse(plugin, file);
}
break;
} else {
switch (c[0]) {
case '\\':
c[0]=_plugin_parse_escape(file);
stradds(&nbytes,&string,cs);
break;
case '#':
_plugin_parse_comment(file);
break;
case ':':
command->depends=_plugin_parse_depend(file);
break;
default:
stradds(&nbytes,&string,cs);
break;
}
}
}
return command;
}
|
