03-07-2013
Must you update the file in place, or can we make a copy? Is the word moving to a equally legal place in the xml schema? Within a file, move upward is copy source word to memory, rewrite file between target and source sliding the data down, then write the source word. For a copy, you need to copy the earlier file part first and the later file part last. For downward, you need to buffer input whose file space is being overwritten into two buffers, write the word, the first buffer, reload the first buffer, write the second buffer, reload the second buffer, etc. through the middle. You might copy the word to move and the middle data into memory and then rewrite it all with the word moved, if it will fit. I'd feel safer making a new file. Disk is cheap.
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LEARN ABOUT DEBIAN
graphviz::xml
GraphViz::XML(3pm) User Contributed Perl Documentation GraphViz::XML(3pm)
NAME
GraphViz::XML - Visualise XML as a tree
SYNOPSIS
use GraphViz::XML;
my $graph = GraphViz::XML->new($xml);
print $g->as_png;
DESCRIPTION
This module makes it easy to visualise XML as a tree. XML is hard for humans to grasp, especially if the XML is computer-generated. This
modules aims to visualise the XML as a graph in order to make the structure of the XML clear and to aid in understanding the XML.
XML elements are represented as diamond nodes, with links to elements within them. Character data is represented in round nodes.
Note that the XML::Twig module should be installed.
METHODS
new
This is the constructor. It takes one mandatory argument, which is the XML to be visualised. A GraphViz object is returned.
my $graph = GraphViz::XML->new($xml);
as_*
The XML can be visualised in a number of different graphical formats. Methods include as_ps, as_hpgl, as_pcl, as_mif, as_pic, as_gd,
as_gd2, as_gif, as_jpeg, as_png, as_wbmp, as_ismap, as_imap, as_vrml, as_vtx, as_mp, as_fig, as_svg. See the GraphViz documentation for
more information. The two most common methods are:
# Print out a PNG-format file
print $g->as_png;
# Print out a PostScript-format file
print $g->as_ps;
BUGS
GraphViz tends to reorder the nodes. I hope to find a work around soon (possibly with ports).
AUTHOR
Leon Brocard <acme@astray.com>
COPYRIGHT
Copyright (C) 2001, Leon Brocard
This module is free software; you can redistribute it or modify it under the same terms as Perl itself.
perl v5.14.2 2012-04-02 GraphViz::XML(3pm)