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package SVNBrowser::ColorDiff; |
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|
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use strict; |
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use HTML::Entities; |
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use Data::Dump qw/dump/; |
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|
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=head1 Name |
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|
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SVNBrowser::ColorDiff |
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|
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=head1 Description |
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|
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Output color diff changes from revision |
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|
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=cut |
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|
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=head3 diff |
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|
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my $html = SVNBrowser::ColorDiff::diff($repository_path, $revision); |
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|
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=cut |
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|
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sub diff { |
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|
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warn "diff args = ",dump( @_ ); |
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|
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my ($repository_path, $revision) = @_; |
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|
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my $cmd = 'svn diff -c ' . $revision; |
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$cmd .= ' ' . $repository_path; |
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|
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warn "## svn change: $cmd"; |
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|
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my $diff; |
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open(my $diff_fh, '-|', $cmd) || die "can't exec $cmd: $!"; |
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{ |
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local $/; |
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$diff = <$diff_fh>; |
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} |
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close($diff_fh); # or warn "error closing $cmd: $!"; |
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|
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$diff =~ s/\r//gs; |
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|
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warn "got ", length($diff), " bytes of diff output"; |
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|
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my $out = "<tt>$cmd</tt><br/>"; |
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|
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my $mode = ''; |
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my $mode_map = { |
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'+' => 'add', |
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'-' => 'rm', |
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' ' => 'nop', |
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}; |
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|
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foreach my $line (split(/\n/,$diff)) { |
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next if ($line =~ /^(\+\+\+|---)\s/ || $line =~ /^=+$/); |
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|
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my $html = encode_entities($line, '<>&"'); |
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if ($line =~ m/^([+\-\s])/) { |
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my $m = $1; |
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if ($mode ne $m) { |
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$out .= qq{</pre>} if ($mode ne ''); |
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$out .= qq{<pre class="diff-$mode_map->{$m}">}; |
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} else { |
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$out .= "\n"; |
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} |
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|
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$mode = $m; |
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$out .= qq{$html}; |
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|
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} else { |
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$out .= qq{</pre>} if ($mode ne ''); |
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$out .= qq{<div class="diff-note">$html</div>}; |
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$mode = ''; |
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} |
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|
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}; |
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|
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$out .= qq{</pre>} if ($mode ne ''); |
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|
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return $out; |
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|
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} |
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|
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1; |