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
|
#!/usr/bin/perl
use strict;
#use vars qw(\$version \$help \$verbose \$lang \@includes \%ents);
use Getopt::Long;
sub print_revision ($$);
sub print_usage ($$);
sub print_help ($$);
sub slurp ($$$@);
my $PROGNAME = "tango";
my $REVISION = '$Revision$ ';
$REVISION =~ s/^\$Revision: //;
$REVISION =~ s/ \$ $//;
my $PACKAGE = 'Monitoring Plugins';
my $RELEASE = '1.3';
my $WARRANTY = "The Monitoring Plugins come with ABSOLUTELY NO WARRANTY. You may redistribute\ncopies of the plugins under the terms of the GNU General Public License.\nFor more information about these matters, see the file named COPYING.\n";
my $version = undef;
my $help = undef;
my $verbose = undef;
my $lang = undef;
my $follow = undef;
my @INCLUDE = undef;
Getopt::Long::Configure('bundling');
GetOptions
("V" => \$version, "version" => \$version,
"h" => \$help, "help" => \$help,
"v" => \$verbose, "verbose" => \$verbose,
"f" => \$follow, "follow!" => \$follow,
"l=s" => \$lang, "language=s" => \$lang,
"I=s" => \@INCLUDE);
if ($help) {
print_help ($PROGNAME,$REVISION);
exit 0;
}
if ($version) {
print_revision ($PROGNAME,$REVISION);
exit 0;
}
if (!defined($lang)) {
print_usage ($PROGNAME,$REVISION);
exit 1;
}
my $t;
my @files;
my $file;
my $key;
my $ent;
my $cmd;
my $dir;
# first step is to get a set of defines in effect
# we do this with gcc preprocessor
#
# first, assemble the command
my $cmd = "/usr/bin/gcc -E -dM";
foreach $dir (@INCLUDE) {
$cmd .= " -I $dir" if ($dir) ;
}
# add the file(s) to process
while ($file = shift) {
push @files, $file;
$cmd .= " $file";
}
# then execute the command, storing defines in %main::ents
open T, "$cmd |";
while (<T>) {
next if (m|\#define\s+[^\s\(]+\(|);
if (m|\#define\s+(\S+)\s+(\"?)(.*?)\2$|) {
$key = $1;
$ent = $3;
$ent =~ s|\\n\\n|</para>\n\n<para>|msg;
$ent =~ s|\\n|\n|msg;
$main::ents{$key} = $ent;
}
}
# then we slurp the file to fetch the XML
my $xml = "";
foreach $file (@files) {
$xml .= slurp ($lang, $follow, $file, @INCLUDE);
}
# finally substitute the defines as XML entities
foreach $key (keys %main::ents) {
$xml =~ s/\&$key\;/$main::ents{$key}/msg;
}
# and print the result
print $xml;
exit 0;
sub print_revision ($$) {
my $PROGNAME = shift;
my $REVISION = shift;
print "$PROGNAME ($PACKAGE $RELEASE) $REVISION\n";
print "$WARRANTY";
}
sub print_usage ($$) {
my $PROGNAME = shift;
my $REVISION = shift;
print qq"\n$PROGNAME -l <language> [options] file [...]\n"
}
sub print_help ($$) {
my $PROGNAME = shift;
my $REVISION = shift;
print_usage ($PROGNAME, $REVISION);
print qq"
Options:
-l, --language=STRING
Currently supported languages are C and perl
";
}
sub slurp ($$$@) {
no strict 'refs';
my ($lang, $follow, $file, @INCLUDE) = @_;
my $xml = "";
my $block;
my $dir = "";
my $ostat;
my $descriptor = 'T' . int(rand 100000000);
if ($file !~ m|^[\.\/\\]|) {
foreach $dir (@INCLUDE) {
if ($ostat = open $descriptor, "<$dir/$file") {
push @main::includes, $file;
last;
}
}
} else {
$ostat = open $descriptor, "<$file";
push @main::includes, $file if $ostat;
}
return "" unless $ostat;
if ($lang eq 'C') {
while (<$descriptor>) {
$block = $_;
if ($follow && m|^\s*\#\s*include\s+[<"]([^\">]+)[">]|) {
$xml .= slurp ($lang, $follow, $1, @INCLUDE) unless (in (@main::includes, $1));
}
if ($block =~ m|(\S+)\s+(\S+)\s*(\([^\)]*\));|) {
$main::ents{"PROTO_$2"} = "$1 $2 $3";
}
if ($block =~ m|//|) { # C++ style one-line comment
if (m|//\@\@-(.*)-\@\@|) {
$xml .= $1;
}
}
if ($block =~ m|/\*|) { # normal C comments
while ($block !~ m|/\*(.*)\*/|ms) {
$block .= <$descriptor>;
}
if ($block =~ m|\@\@-(.*)-\@\@|ms) {
$xml .= $1;
} elsif ($block =~ m|\@s*-(.*)\s*-\@|ms) {
$key = $1;
while ($block !~ m|\*/\s*([^\;]+);|ms) {
$block .= <$descriptor>;
}
if ($block =~ m|\*/\s*([^\;]+);|ms) {
$main::ents{$key} = $1;
}
}
}
}
}
close $descriptor;
return $xml;
}
sub in () {
my $el = pop;
foreach $key (@_) {
return 1 if ($key eq $el);
}
return 0;
}
sub CommentStart ($) {
my $lang = shift;
if ($lang eq 'C') {
return '/*';
} elsif ($lang == 'perl') {
return '#';
} else {
return undef;
}
}
# if ($_ =~ m/^\s*\#\s*define\s+([-_a-zA-Z0-9]+)\s+(.*)\s*$/) {
# $key = $1;
# $main::ents{$key} = "$2";
# while (($main::ents{$key} =~ s/\\\s*$//s) && ($block = <$descriptor>)) {
# $main::ents{$key} .= $block;
# }
# $main::ents{$key} =~ s/"(.*)"$/$1/s;
# $main::ents{$key} =~ s/\s+\/[\/\*].*$//s;
# }
### Local Variables: ;;;
### tab-width: 2 ;;;
### perl-indent-level: 2 ;;;
### End: ;;;
|
