.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42) .\" .\" 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 .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . 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 "XML::LibXML::PI 3" .TH XML::LibXML::PI 3 "2024-01-24" "perl v5.32.1" "User Contributed Perl Documentation" .\" 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" XML::LibXML::PI \- XML::LibXML Processing Instructions .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 3 \& use XML::LibXML; \& # Only methods specific to Processing Instruction nodes are listed here, \& # see the XML::LibXML::Node manpage for other methods \& \& $pinode\->setData( $data_string ); \& $pinode\->setData( name=>string_value [...] ); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" Processing instructions are implemented with XML::LibXML with read and write access. The \s-1PI\s0 data is the \s-1PI\s0 without the \s-1PI\s0 target (as specified in \s-1XML 1.0\s0 [17]) as a string. This string can be accessed with getData as implemented in XML::LibXML::Node. .PP The write access is aware about the fact, that many processing instructions have attribute like data. Therefore \fBsetData()\fR provides besides the \s-1DOM\s0 spec conform Interface to pass a set of named parameter. So the code segment .PP .Vb 3 \& my $pi = $dom\->createProcessingInstruction("abc"); \& $pi\->setData(foo=>\*(Aqbar\*(Aq, foobar=>\*(Aqfoobar\*(Aq); \& $dom\->appendChild( $pi ); .Ve .PP will result the following \s-1PI\s0 in the \s-1DOM:\s0 .PP .Vb 1 \& <?abc foo="bar" foobar="foobar"?> .Ve .PP Which is how it is specified in the \s-1DOM\s0 specification. This three step interface creates temporary a node in perl space. This can be avoided while using the \fBinsertProcessingInstruction()\fR method. Instead of the three calls described above, the call .PP .Vb 1 \& $dom\->insertProcessingInstruction("abc",\*(Aqfoo="bar" foobar="foobar"\*(Aq); .Ve .PP will have the same result as above. .PP XML::LibXML::PI's implementation of \fBsetData()\fR documented below differs a bit from the standard version as available in XML::LibXML::Node: .IP "setData" 4 .IX Item "setData" .Vb 2 \& $pinode\->setData( $data_string ); \& $pinode\->setData( name=>string_value [...] ); .Ve .Sp This method allows one to change the content data of a \s-1PI.\s0 Additionally to the interface specified for \s-1DOM\s0 Level2, the method provides a named parameter interface to set the data. This parameter list is converted into a string before it is appended to the \s-1PI.\s0 .SH "AUTHORS" .IX Header "AUTHORS" Matt Sergeant, Christian Glahn, Petr Pajas .SH "VERSION" .IX Header "VERSION" 2.0210 .SH "COPYRIGHT" .IX Header "COPYRIGHT" 2001\-2007, AxKit.com Ltd. .PP 2002\-2006, Christian Glahn. .PP 2006\-2009, Petr Pajas. .SH "LICENSE" .IX Header "LICENSE" This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.