NAME¶

SYNOPSIS¶

    use Lintian::SlidingWindow;

    my $sfd = Lintian::SlidingWindow->new('<','someevilfile.c', sub { $_ = lc($_); });
    my $window;
    while ($window = $sfd->readwindow) {
       if (index($window, 'evil') > -1) {
           if($window =~
                 m/software \s++ shall \s++
                   be \s++ used \s++ for \s++ good \s*+ ,?+ \s*+
                   not \s++ evil/xsim) {
              # do something like : tag 'license-problem-json-evil';
           }
       }
    }

DESCRIPTION¶

CLASS METHODS¶

new(HANDLE[, BLOCKSUB[, BLOCKSIZE]])

Create a new sliding window by reading from a given HANDLE, which must be open for reading. Optionally run BLOCKSUB against each block. Note that BLOCKSUB should apply transform byte by byte and does not depend of context.

Each window consists of up to two blocks of BLOCKSIZE characters.

INSTANCE METHODS¶

readwindow

Return a new block of sliding window. Return undef at end of file.

blocknumber

return the number of block read by the instance. Return undef if no block has been read.

DIAGNOSTICS¶

no data type specified

AUTHOR¶

SEE ALSO¶