Name

Text::WordDiff::HTMLTwoLines - XHTML formatting for Text::WordDiff with content on two lines

Synopsis

    use Text::WordDiff;

    my $diff = word_diff 'file1.txt', 'file2.txt';  { STYLE => 'HTMLTwoLines' };
    my $diff = word_diff \$string1,   \$string2,    { STYLE => 'HTMLTwoLines' };
    my $diff = word_diff \*FH1,       \*FH2,        { STYLE => 'HTMLTwoLines' };
    my $diff = word_diff \&reader1,   \&reader2,    { STYLE => 'HTMLTwoLines' };
    my $diff = word_diff \@records1,  \@records2,   { STYLE => 'HTMLTwoLines' };

    # May also mix input types:
    my $diff = word_diff \@records1,  'file_B.txt', { STYLE => 'HTMLTwoLines' };

Description

This class subclasses Text::WordDiff::Base to provide a XHTML formatting for Text::WordDiff. See Term::WordDiff for usage details. This class should never be used directly.

Text::WordDiff::HTMLTwoLines formats word diffs for viewing in a Web browser. The output is similar to that produced by Term::WordDiff::HTML but the two lines (or files, records, etc.) are shown separately, with deleted items highlighted in the first line and inserted items highlighted in the second. HTMLTwoLines puts a span tag around each word or set of words in the diff.

The diff content is highlighted as follows:

•: "<div class="file">"
The inputs to "word_diff()" are each contained in a div element of class "file". All the following results are subsumed by these elements.

"<span class="fileheader">"
The header section for the files being "diff"ed, usually something like:
```
  --- in.txt    Thu Sep  1 12:51:03 2005
    
```
for the first file, and
```
  +++ out.txt   Thu Sep  1 12:52:12 2005
    
```
for the second.

This element immediately follows the opening "file" "<div>" element, but will not be present if Text::WordDiff cannot determine the file names for both files being compared.
"<span class="hunk">"
This element contains a single diff "hunk". Each hunk may contain the following elements:

"<ins>"
Inserted content.
"<del>"
Deleted content.

You may do whatever you like with these elements and classes; I highly recommend that you style them using CSS. You'll find an example CSS file in the eg directory in the Text-WordDiff distribution.

Author

Amelia Ireland <join(".", $firstname, $lastname) . "@gmail.com">

Currently maintained by the developers of The Perl Shop <tps@cpan.org>.

Copyright and License

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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