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.\"
.IX Title "PPIx::EditorTools::Lexer 3pm"
.TH PPIx::EditorTools::Lexer 3pm "2022-06-17" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
PPIx::EditorTools::Lexer \- Simple Lexer used for syntax highlighting
.SH "VERSION"
.IX Header "VERSION"
version 0.21
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 7
\&  PPIx::EditorTools::Lexer\->new\->lexer(
\&        code => "package TestPackage;\ensub x { 1;\en",
\&        highlighter => sub {
\&                my ( $css, $row, $rowchar, $len ) = @_;
\&                ...
\&        },
\&      );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Go over the various interesting elements of a give piece
of code or an already process \s-1PPI\s0 tree.
For each token call the user supplied 'highlighter' function with
the follow values:
.PP
.Vb 4
\&  $css     \- The keyword that can be used for colouring.
\&  $row     \- The row number where the token starts
\&  $rowchar \- The character within that row where the token starts
\&  $len     \- The length of the token
.Ve
.SH "METHODS"
.IX Header "METHODS"
.IP "\fBnew()\fR" 4
.IX Item "new()"
Constructor. Generally shouldn't be called with any arguments.
.ie n .IP "find( ppi => PPI::Document $ppi, highlighter => sub {...} )" 4
.el .IP "find( ppi => PPI::Document \f(CW$ppi\fR, highlighter => sub {...} )" 4
.IX Item "find( ppi => PPI::Document $ppi, highlighter => sub {...} )"
.PD 0
.ie n .IP "find( code => Str $code, highlighter => sub ...{} )" 4
.el .IP "find( code => Str \f(CW$code\fR, highlighter => sub ...{} )" 4
.IX Item "find( code => Str $code, highlighter => sub ...{} )"
.PD
Accepts either a \f(CW\*(C`PPI::Document\*(C'\fR to process or a string containing
the code (which will be converted into a \f(CW\*(C`PPI::Document\*(C'\fR) to process.
Return a reference to an array.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
This class inherits from \f(CW\*(C`PPIx::EditorTools\*(C'\fR.
Also see App::EditorTools, Padre, and \s-1PPI\s0.
.SH "AUTHORS"
.IX Header "AUTHORS"
.IP "\(bu" 4
Steffen Mueller \f(CW\*(C`smueller@cpan.org\*(C'\fR
.IP "\(bu" 4
Mark Grimes \f(CW\*(C`mgrimes@cpan.org\*(C'\fR
.IP "\(bu" 4
Ahmad M. Zawawi <ahmad.zawawi@gmail.com>
.IP "\(bu" 4
Gabor Szabo  <gabor@szabgab.com>
.IP "\(bu" 4
Yanick Champoux <yanick@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2017, 2014, 2012 by The Padre development team as listed in Padre.pm..
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.