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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/
/*!
    \contentspage list-of-items.html
    \page scanner-item.html
    \ingroup list-of-items

    \title Scanner Item
    \brief Creates custom dependency scanners in modules.

    An \c Scanner item can appear inside a \l{Module Item}, and allows to define
    artifacts dependency, according to the artifacts contents.
    For example scanner for "qrc" files:
    \code
    import qbs.Xml

    Module {
      Scanner {
        condition: true
        inputs: 'qrc'
        scan: {
          xml = XmlDomDocument(input.fileName);
          dependencies = [];
          // do something with the xml
          return dependencies;
        }
      }
    }
    \endcode

    \section1 Scanner Properties
    \table
    \header
        \li Property
        \li Type
        \li Default
        \li Description
    \row
        \li condition
        \li bool
        \li true
        \li If true, the scanner is enabled, otherwise it does nothing.
    \row
        \li inputs
        \li string list
        \li undefined
        \li File tags the input artifacts must match.
    \row
        \li recursive
        \li bool
        \li false
        \li Determines whether to scan dependencies recursively.
    \row
        \li searchPaths
        \li script
        \li undefined
        \li Script that returns paths to look for dependencies.
            The code in this script is treated as a function with the signature
            \c{function(project, product, input)}.
    \row
        \li scan
        \li script
        \li undefined
        \li Script that reads the input artifact and returns string list with dependencies.
            The code in this script is treated as a function with the signature
            \c{function(project, product, input)}.
    \endtable
*/