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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef SV_TEXT_TEST_H
#define SV_TEXT_TEST_H
#include "data/fileio/FileSource.h"
namespace sv {
class TextTest
{
public:
/**
* Return true if the source appears to point to a text format of
* some kind (could be CSV, XML, RDF/Turtle etc).
*
* We apply two tests and report success if either succeeds:
*
* 1. The first few hundred bytes (where present) of the document
* are valid UTF-8
*
* 2. The document starts with the text "<?xml" when opened using
* QXmlInputSource (which guesses its text encoding)
*
* So we only accept non-UTF-8 encodings where they also happen to
* be XML documents.
*/
static bool isApparentTextDocument(FileSource);
};
} // end namespace sv
#endif
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