| 1 |
## ---------------------------------------------------------------------- |
| 2 |
## $Id: Engine.pm,v 1.5 2003/03/27 15:03:03 joko Exp $ |
| 3 |
## ---------------------------------------------------------------------- |
| 4 |
## $Log: Engine.pm,v $ |
| 5 |
## Revision 1.5 2003/03/27 15:03:03 joko |
| 6 |
## enhanced 'sub run_executable' |
| 7 |
## |
| 8 |
## Revision 1.4 2003/02/22 16:51:21 joko |
| 9 |
## + enhanced run_executable |
| 10 |
## modified logging output |
| 11 |
## |
| 12 |
## Revision 1.3 2003/02/21 01:46:17 joko |
| 13 |
## renamed core function |
| 14 |
## |
| 15 |
## Revision 1.2 2003/02/20 19:46:33 joko |
| 16 |
## renamed and revamped some of modules |
| 17 |
## renamed methods |
| 18 |
## + sub run_executable |
| 19 |
## |
| 20 |
## Revision 1.1 2003/02/18 15:35:25 joko |
| 21 |
## + initial commit |
| 22 |
## |
| 23 |
## ---------------------------------------------------------------------- |
| 24 |
|
| 25 |
|
| 26 |
package Data::Rap::Engine; |
| 27 |
|
| 28 |
use strict; |
| 29 |
use warnings; |
| 30 |
|
| 31 |
|
| 32 |
use Data::Dumper; |
| 33 |
use Hash::Merge qw( merge ); |
| 34 |
use Iterate; |
| 35 |
|
| 36 |
use shortcuts qw( run_cmd ); |
| 37 |
use Data::Mungle::Code::Ref qw( ref_slot ); |
| 38 |
use Data::Mungle::Transform::Deep qw( expand ); |
| 39 |
|
| 40 |
|
| 41 |
sub performTarget { |
| 42 |
my $self = shift; |
| 43 |
my $targetname = shift; |
| 44 |
$self->perform_target($targetname); |
| 45 |
} |
| 46 |
|
| 47 |
sub perform_target { |
| 48 |
my $self = shift; |
| 49 |
my $targetname = shift; |
| 50 |
|
| 51 |
my $header = ("- " x 12) . " " . $targetname . " " . ("- " x 6); |
| 52 |
|
| 53 |
#$self->log("- " x 35, 'notice'); |
| 54 |
#$self->log("Performing Target '$targetname'.", 'notice'); |
| 55 |
|
| 56 |
$self->log($header, 'notice'); |
| 57 |
|
| 58 |
#exit; |
| 59 |
|
| 60 |
my $target = $self->getTargetDetails($targetname); |
| 61 |
|
| 62 |
# trace |
| 63 |
#print Dumper($target); |
| 64 |
#exit; |
| 65 |
|
| 66 |
$self->perform_dependencies($target); |
| 67 |
$self->perform_details($target); |
| 68 |
|
| 69 |
} |
| 70 |
|
| 71 |
sub perform_dependencies { |
| 72 |
my $self = shift; |
| 73 |
my $target = shift; |
| 74 |
# resolve dependencies (just run prior) |
| 75 |
if (my $targetname_dep = $target->{attrib}->{depends}) { |
| 76 |
my @targets = split(/,\s|,/, $targetname_dep); |
| 77 |
#print Dumper(@targets); |
| 78 |
#$self->perform($targetname_dep); |
| 79 |
#delete $target->{attrib}->{depends}; |
| 80 |
foreach (@targets) { |
| 81 |
if (!$self->{__rap}->{dependencies}->{resolved}->{$_}++) { |
| 82 |
$self->perform_target($_); |
| 83 |
} |
| 84 |
} |
| 85 |
delete $target->{attrib}->{depends}; |
| 86 |
} |
| 87 |
} |
| 88 |
|
| 89 |
sub perform_details { |
| 90 |
my $self = shift; |
| 91 |
my $target = shift; |
| 92 |
|
| 93 |
#print Dumper($target); |
| 94 |
#exit; |
| 95 |
|
| 96 |
foreach my $entry (@{$target->{content}}) { |
| 97 |
my $command = $entry->{name}; |
| 98 |
my $args = $entry->{attrib}; |
| 99 |
$self->perform_command($command, $args); |
| 100 |
# check recursiveness |
| 101 |
if ($entry->{content} && ref $entry->{content}) { |
| 102 |
$self->perform_details($entry); |
| 103 |
} |
| 104 |
} |
| 105 |
} |
| 106 |
|
| 107 |
sub rc { |
| 108 |
my $self = shift; |
| 109 |
return $self->perform_command(@_); |
| 110 |
} |
| 111 |
|
| 112 |
sub perform_command { |
| 113 |
my $self = shift; |
| 114 |
my $command = shift; |
| 115 |
|
| 116 |
if (!$command) { |
| 117 |
$self->log("Command was empty!", 'debug'); |
| 118 |
return; |
| 119 |
} |
| 120 |
|
| 121 |
# FIXME: make '__PACKAGE__' go one level deeper properly! |
| 122 |
$self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug'); |
| 123 |
|
| 124 |
my $args_list = shift; |
| 125 |
my $args = {}; |
| 126 |
#print Dumper($args_list); |
| 127 |
if ($args_list) { |
| 128 |
if (ref $args_list eq 'ARRAY') { |
| 129 |
foreach (@$args_list) { |
| 130 |
$args = merge($args, $_); |
| 131 |
} |
| 132 |
} else { |
| 133 |
$args = $args_list; |
| 134 |
} |
| 135 |
} |
| 136 |
$command = '_' . $command; |
| 137 |
|
| 138 |
|
| 139 |
# determine container |
| 140 |
my $container; # = $self->getInstance(); |
| 141 |
$container ||= $self; |
| 142 |
|
| 143 |
if ($container->can($command)) { |
| 144 |
$container->$command($args); |
| 145 |
} else { |
| 146 |
$self->log("Command '$command' not implemented.", "warning"); |
| 147 |
} |
| 148 |
|
| 149 |
} |
| 150 |
|
| 151 |
|
| 152 |
sub merge_properties { |
| 153 |
my $self = shift; |
| 154 |
my $name = shift; |
| 155 |
my $data = shift; |
| 156 |
|
| 157 |
$self->log("merge-name: $name"); |
| 158 |
#print "name: $name", "\n"; |
| 159 |
#print Dumper($data); |
| 160 |
#exit; |
| 161 |
|
| 162 |
# check if slot (or childs of it) is/are already occupied |
| 163 |
#if (my $data_old = ref_slot($self, $name, undef, '.')) { |
| 164 |
if (my $data_old = $self->get_property($name)) { |
| 165 |
#print "old:", "\n"; |
| 166 |
#print Dumper($data_old); |
| 167 |
|
| 168 |
# FIXME: review - any options for 'merge' here? |
| 169 |
my $data_new = merge($data_old, $data); |
| 170 |
#print "DATA NEE! - MERGE!", "\n"; |
| 171 |
#print Dumper($data_new); |
| 172 |
#exit; |
| 173 |
#merge_to($self, $data_new); |
| 174 |
$self->set_property( { name => $name, value => $data_new } ); |
| 175 |
|
| 176 |
} else { |
| 177 |
|
| 178 |
=pod |
| 179 |
# make up a dummy hash matching the structure of the destination one |
| 180 |
my $dummy = {}; |
| 181 |
ref_slot($dummy, $name, $data, '.'); |
| 182 |
print Dumper($dummy); |
| 183 |
|
| 184 |
# mix into destination |
| 185 |
mixin($self, $dummy, { init => 1 }); |
| 186 |
=cut |
| 187 |
|
| 188 |
ref_slot($self, $name, $data, '.'); |
| 189 |
|
| 190 |
} |
| 191 |
|
| 192 |
|
| 193 |
#print Dumper($self); |
| 194 |
#exit; |
| 195 |
#$self-> |
| 196 |
|
| 197 |
} |
| 198 |
|
| 199 |
sub set_property { |
| 200 |
my $self = shift; |
| 201 |
my $args = shift; |
| 202 |
|
| 203 |
$self->interpolate($args) ; |
| 204 |
my $name = $args->{name}; |
| 205 |
my $value = $args->{value}; |
| 206 |
$name = '__rap.properties.' . $name; |
| 207 |
|
| 208 |
$self->log("set-name: $name"); |
| 209 |
|
| 210 |
# fill property slot with given value |
| 211 |
if ($value) { |
| 212 |
ref_slot($self, $name, $value, '.'); |
| 213 |
} |
| 214 |
|
| 215 |
#print Dumper($self); |
| 216 |
|
| 217 |
# FIXME!!! |
| 218 |
#return if ! ref $args; |
| 219 |
|
| 220 |
# fill property slot with (probably bigger) data structure from property-/configuration-style - file |
| 221 |
if (my $file = $args->{file}) { |
| 222 |
my $type = $args->{type}; |
| 223 |
if (!$type) { |
| 224 |
die("default file (no type specified) is not implemented yet!"); |
| 225 |
|
| 226 |
} elsif ($type eq 'perl-eval') { |
| 227 |
#die($type); |
| 228 |
$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
| 229 |
|
| 230 |
} elsif ($type eq 'App::Config') { |
| 231 |
die("not implemented: $type"); |
| 232 |
|
| 233 |
} |
| 234 |
|
| 235 |
} elsif (my $command = $args->{command}) { |
| 236 |
$self->perform_command($command, $args); |
| 237 |
|
| 238 |
} |
| 239 |
|
| 240 |
} |
| 241 |
|
| 242 |
sub get_property { |
| 243 |
my $self = shift; |
| 244 |
#my $args = shift; |
| 245 |
my $name = shift; |
| 246 |
|
| 247 |
#$self->interpolate($args); |
| 248 |
|
| 249 |
#my $name = $args->{name}; |
| 250 |
my $result; |
| 251 |
|
| 252 |
if (!$name) { |
| 253 |
$self->log( __PACKAGE__ . ": no name!", 'critical'); |
| 254 |
|
| 255 |
} elsif ($name eq '/') { |
| 256 |
$result = expand($self); |
| 257 |
|
| 258 |
} elsif ($name eq '.') { |
| 259 |
if (my $instance = $self->getInstance()) { |
| 260 |
$result = expand($instance); |
| 261 |
} else { |
| 262 |
$result = ref_slot($self, '__rap.properties', undef, '.'); |
| 263 |
|
| 264 |
} |
| 265 |
|
| 266 |
} else { |
| 267 |
|
| 268 |
$name = '__rap.properties.' . $name; |
| 269 |
|
| 270 |
$self->log("get-name: $name"); |
| 271 |
|
| 272 |
# get property slot and return value |
| 273 |
$result = ref_slot($self, $name, undef, '.'); |
| 274 |
|
| 275 |
# FIXME: Is this okay? It's provided for now in order not |
| 276 |
# to deliver an 'undef' to the regex below inside 'interpolate'. |
| 277 |
# revamp this, maybe! |
| 278 |
#$result ||= ''; # NO!!! |
| 279 |
} |
| 280 |
|
| 281 |
return $result; |
| 282 |
} |
| 283 |
|
| 284 |
sub interpolate { |
| 285 |
my $self = shift; |
| 286 |
my $ref = shift; |
| 287 |
IterHash %$ref, sub { |
| 288 |
#print $_[1], "\n"; |
| 289 |
$_[1] =~ s/\${(.+)}/$self->get_property($1)/e; |
| 290 |
} |
| 291 |
} |
| 292 |
|
| 293 |
sub run_executable { |
| 294 |
my $self = shift; |
| 295 |
my $opts = shift; |
| 296 |
|
| 297 |
if ($opts->{executable}) { |
| 298 |
|
| 299 |
my $program = $opts->{executable}; |
| 300 |
delete $opts->{executable}; |
| 301 |
|
| 302 |
# determine execution method |
| 303 |
my $method = 'run_cmd'; |
| 304 |
my $wrapper_program = ''; |
| 305 |
|
| 306 |
# check if program is a namespace-string (contains '::') - use 'do' in this case! |
| 307 |
if ($program =~ /::/) { |
| 308 |
#if ($program =~ s/::/\\/g) { |
| 309 |
#$program = '.\\' . $program; |
| 310 |
#$method = 'require'; |
| 311 |
#do "$program"; |
| 312 |
#return; |
| 313 |
#$method = 'rap.'; |
| 314 |
|
| 315 |
$wrapper_program = 'rap.pl'; |
| 316 |
|
| 317 |
} |
| 318 |
|
| 319 |
# prepare arguments |
| 320 |
my @buf; |
| 321 |
foreach (keys %$opts) { |
| 322 |
my $value = $opts->{$_}; |
| 323 |
if (m/^_/) { |
| 324 |
if ($_ eq '_switches') { |
| 325 |
my @switches = split(/,\s|,/, $value); |
| 326 |
foreach my $switch (@switches) { |
| 327 |
push @buf, '--' . $switch; |
| 328 |
} |
| 329 |
} |
| 330 |
next; |
| 331 |
} |
| 332 |
|
| 333 |
if ($value =~ /\s/) { |
| 334 |
$value = "\"$value\""; |
| 335 |
} |
| 336 |
push @buf, "--$_=$value"; |
| 337 |
} |
| 338 |
|
| 339 |
# build {program} & {arguments} |
| 340 |
my $cmd = join(' ', $wrapper_program, $program) . ' ' . join(' ', @buf); |
| 341 |
|
| 342 |
# trace |
| 343 |
#print "command: $cmd", "\n"; |
| 344 |
|
| 345 |
# start process |
| 346 |
# V1: via shortcut |
| 347 |
#$ENV{PERL5LIB} = join(' ', @INC); |
| 348 |
|
| 349 |
# FIXME!!! what about the other slots of @INC? |
| 350 |
$ENV{PERL5LIB} = $INC[0]; |
| 351 |
|
| 352 |
#print Dumper(%ENV); |
| 353 |
|
| 354 |
print "command: '$cmd'", "\n"; |
| 355 |
|
| 356 |
# V1 - basic |
| 357 |
#run_cmd($cmd); |
| 358 |
|
| 359 |
# V1.b - enhanced: variable local method |
| 360 |
my $evalstr = "$method('$cmd');"; |
| 361 |
eval($evalstr); |
| 362 |
#my $res = do "$cmd"; |
| 363 |
#print $res, "\n" if $res; |
| 364 |
|
| 365 |
#$self->log("run_executable: $evalstr", 'info'); |
| 366 |
$self->raiseException("run_executable: $evalstr\n$@") if $@; |
| 367 |
|
| 368 |
# V2: via IPC::Run |
| 369 |
# .... (TODO) |
| 370 |
|
| 371 |
|
| 372 |
} |
| 373 |
|
| 374 |
} |
| 375 |
|
| 376 |
|
| 377 |
1; |
| 378 |
__END__ |
Parent Directory
| 
Revision Log
