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TAP::Parser::Iterator::Process.3
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.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "TAP::Parser::Iterator::Process 3" .TH TAP::Parser::Iterator::Process 3 2022-05-28 "perl v5.38.0" "Perl Programmers Reference Guide" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH NAME TAP::Parser::Iterator::Process \- Iterator for process\-based TAP sources .SH VERSION .IX Header "VERSION" Version 3.44 .SH SYNOPSIS .IX Header "SYNOPSIS" .Vb 9 \& use TAP::Parser::Iterator::Process; \& my %args = ( \& command => [\*(Aqpython\*(Aq, \*(Aqsetup.py\*(Aq, \*(Aqtest\*(Aq], \& merge => 1, \& setup => sub { ... }, \& teardown => sub { ... }, \& ); \& my $it = TAP::Parser::Iterator::Process\->new(\e%args); \& my $line = $it\->next; .Ve .SH DESCRIPTION .IX Header "DESCRIPTION" This is a simple iterator wrapper for executing external processes, used by TAP::Parser. Unless you're writing a plugin or subclassing, you probably won't need to use this module directly. .SH METHODS .IX Header "METHODS" .SS "Class Methods" .IX Subsection "Class Methods" \fR\f(CI\*(C`new\*(C'\fR\fI\fR .IX Subsection "new" .PP Create an iterator. Expects one argument containing a hashref of the form: .PP .Vb 4 \& command => \e@command_to_execute \& merge => $attempt_merge_stderr_and_stdout? \& setup => $callback_to_setup_command \& teardown => $callback_to_teardown_command .Ve .PP Tries to uses IPC::Open3 & IO::Select to communicate with the spawned process if they are available. Falls back onto \f(CWopen()\fR. .SS "Instance Methods" .IX Subsection "Instance Methods" \fR\f(CI\*(C`next\*(C'\fR\fI\fR .IX Subsection "next" .PP Iterate through the process output, of course. .PP \fR\f(CI\*(C`next_raw\*(C'\fR\fI\fR .IX Subsection "next_raw" .PP Iterate raw input without applying any fixes for quirky input syntax. .PP \fR\f(CI\*(C`wait\*(C'\fR\fI\fR .IX Subsection "wait" .PP Get the wait status for this iterator's process. .PP \fR\f(CI\*(C`exit\*(C'\fR\fI\fR .IX Subsection "exit" .PP Get the exit status for this iterator's process. .PP \fR\f(CI\*(C`handle_unicode\*(C'\fR\fI\fR .IX Subsection "handle_unicode" .PP Upgrade the input stream to handle UTF8. .PP \fR\f(CI\*(C`get_select_handles\*(C'\fR\fI\fR .IX Subsection "get_select_handles" .PP Return a list of filehandles that may be used upstream in a \fBselect()\fR call to signal that this Iterator is ready. Iterators that are not handle based should return an empty list. .SH ATTRIBUTION .IX Header "ATTRIBUTION" Originally ripped off from Test::Harness. .SH "SEE ALSO" .IX Header "SEE ALSO" TAP::Object, TAP::Parser, TAP::Parser::Iterator,