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## |
## |
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## $Id$ |
## $Id$ |
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## |
## |
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## $Log$ |
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## Revision 1.6 2002/06/15 07:46:11 cvsjoko |
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## + bugfixes for linux |
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## |
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## Revision 1.5 2002/06/15 05:19:36 cvsjoko |
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## + modified order/way of key-handling-logic |
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## |
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## Revision 1.4 2002/06/15 04:28:10 cvsjoko |
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## immediate polling, no delay |
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## |
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## Revision 1.3 2002/06/15 04:24:15 cvsjoko |
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## + added modifier for running in linux or win32 |
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## + modified order of some commands in core key-polling |
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## |
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## Revision 1.2 2002/06/15 03:45:21 cvsjoko |
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## + cvs id & log |
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## + clearing inputbuffer just after getting the "enter"-key |
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## |
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## |
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package POE::Component::Terminal; |
package POE::Component::Terminal; |
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use strict; |
use strict; |
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recieveResponse => 'recieveResponse', |
recieveResponse => 'recieveResponse', |
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}; |
}; |
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sub RUNNING_IN_HELL () { $^O eq 'MSWin32' } |
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sub new { |
sub new { |
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my $class = shift; |
my $class = shift; |
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$class = ref( $class ) || $class; |
$class = ref( $class ) || $class; |
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# store entries from args to object ($self) |
# store entries from args to object ($self) |
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map { $self->{$_} = $args->{$_}; } keys %{$args}; |
map { $self->{$_} = $args->{$_}; } keys %{$args}; |
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if ( RUNNING_IN_HELL () ) { |
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$self->{conf}{EnterKey} = "\r"; |
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} else { |
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$self->{conf}{EnterKey} = "\n"; |
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} |
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## Make our session. See $states defined up above . . . |
## Make our session. See $states defined up above . . . |
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POE::Session->create( object_states => [ $self => $states, ], ); |
POE::Session->create( object_states => [ $self => $states, ], ); |
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$heap->{state}{InputBuffer} = ''; |
$heap->{state}{InputBuffer} = ''; |
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$heap->{state}{Startup} = 1; |
$heap->{state}{Startup} = 1; |
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$heap->{state}{Caption} = $self->{Caption}; |
$heap->{state}{Caption} = $self->{Caption}; |
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$heap->{state}{KeyPressed} = 0; |
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$heap->{state}{RequestPending} = 0; |
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# initially call worker-state |
# initially call worker-state |
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ReadMode 4; |
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$kernel->post($session, "pollForKey"); |
$kernel->post($session, "pollForKey"); |
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return; |
return; |
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my $prompt = "#> "; |
my $prompt = "#> "; |
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$prompt = $self->{PromptPrefix} . ' ' . $prompt_inlay . $self->{PromptPostfix}; |
$prompt = $self->{PromptPrefix} . ' ' . $prompt_inlay . $self->{PromptPostfix}; |
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if ( ($heap->{state}{KeyPressed} && !$heap->{state}{RequestPending}) || ($heap->{state}{Startup}) ) { |
if ( ( |
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( $heap->{state}{KeyPressed} == 1 ) && |
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( $heap->{state}{RequestPending} == 0 ) |
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) || |
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( $heap->{state}{Startup} ) |
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) { |
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$heap->{state}{Startup} = 0; |
$heap->{state}{Startup} = 0; |
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$heap->{state}{KeyPressed} = 0; |
$heap->{state}{KeyPressed} = 0; |
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#ReadMode 4; # Turn off controls keys |
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#ReadMode 1; |
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#print $prompt; |
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my $outputline = $prompt . $heap->{state}{InputBuffer}; |
my $outputline = $prompt . $heap->{state}{InputBuffer}; |
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my $s = ' ' x (length($outputline) + 1); |
my $s = ' ' x (length($outputline) + 1); |
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print "\r", $s; |
print "\r", $s; |
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print "\r", $outputline; |
print "\r", $outputline; |
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#print $outputline; |
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} |
} |
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my $key = ReadKey(-1); |
my $key = ReadKey(-1); |
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if ($key) { |
if ( defined $key ) { |
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$heap->{state}{KeyPressed} = 1; |
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# normal key? |
#print "key: ", ord($key), "\n"; |
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if ($key =~ m/[a-zA-Z? ]/) { |
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$heap->{state}{InputBuffer} .= $key; |
# CTRL+C pressed? |
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#print $key; |
if (ord($key) == 3) { |
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ReadMode 1; |
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print "\n"; |
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exit; |
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} |
} |
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# enter pressed? |
# enter pressed? |
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if ($key eq "\r") { |
if (ord($key) == 10) { |
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# send command |
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# if enter was pressed while request was pending, |
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# we should stop waiting for output and come back to prompt again, |
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if ($heap->{state}{RequestPending}) { |
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$kernel->post( $self->{ResponseSession} => $self->{ResponseState} => ' < stopped waiting for response'); |
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} |
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# send command, if buffer is filled |
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my $buf = $heap->{state}{InputBuffer}; |
my $buf = $heap->{state}{InputBuffer}; |
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if ($buf) { |
if ($buf) { |
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$heap->{state}{InputBuffer} = ''; |
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$heap->{state}{RequestPending} = 1; |
$heap->{state}{RequestPending} = 1; |
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#print "ord: ", ord($buf), "\n"; |
|
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my $response_target = { |
my $response_target = { |
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ResponseSession => $self->{ResponseSession}, |
ResponseSession => $self->{ResponseSession}, |
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ResponseState => $self->{ResponseState}, |
ResponseState => $self->{ResponseState}, |
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}; |
}; |
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$kernel->post( $self->{RequestSession} => $self->{RequestState} => $buf, $response_target); |
$kernel->post( $self->{RequestSession} => $self->{RequestState} => $buf, $response_target); |
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} |
} |
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$heap->{state}{InputBuffer} = ''; |
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# prepare new loop for fresh prompt |
# prepare new loop for fresh prompt |
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print "\n"; |
print "\n"; |
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} |
} |
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# backspace pressed? |
# backspace pressed? |
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if (ord($key) == 8) { |
elsif (ord($key) == 127) { |
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$heap->{state}{InputBuffer} = substr($heap->{state}{InputBuffer}, 0, -1); |
$heap->{state}{InputBuffer} = substr($heap->{state}{InputBuffer}, 0, -1); |
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} |
} |
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# normal key? |
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#elsif ($key =~ m/[a-zA-Z? ]/) { |
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else { |
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$heap->{state}{InputBuffer} .= $key; |
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#print $key; |
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} |
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# mark "KeyPressed" for next poll |
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$heap->{state}{KeyPressed} = 1; |
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} |
} |
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#$kernel->run_one_timeslice(); |
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$kernel->post($session, "pollForKey"); |
$kernel->post($session, "pollForKey"); |
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#$kernel->delay("term_work", 0.1); |
#$kernel->yield($session, "pollForKey"); |
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#$kernel->delay("pollForKey", 0.1); |
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#$kernel->delay("pollForKey", 0.01); |
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} |
} |
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sub recieveResponse { |
sub recieveResponse { |
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my ($kernel, $heap, $session, $response) = @_[KERNEL, HEAP, SESSION, ARG0]; |
my ($kernel, $heap, $session, $response) = @_[KERNEL, HEAP, SESSION, ARG0]; |
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if ($response) { print $response, "\n"; } |
if ($response) { |
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$heap->{state}{RequestPending} = 0; |
print $response, "\n"; |
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$heap->{state}{RequestPending} = 0; |
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} |
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} |
} |
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sub recievePrompt { |
sub recievePrompt { |
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my ($kernel, $heap, $session, $prompt_inlay) = @_[KERNEL, HEAP, SESSION, ARG0]; |
my ($kernel, $heap, $session, $prompt_inlay) = @_[KERNEL, HEAP, SESSION, ARG0]; |