116 lines
4.0 KiB
C++
116 lines
4.0 KiB
C++
/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: fgerlits $
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Version : $Revision: 1.4 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/src/AudioClip.cxx,v $
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------------------------------------------------------------------------------*/
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/* ============================================================ include files */
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#ifdef HAVE_CONFIG_H
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#include "configure.h"
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#endif
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#include <sstream>
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#include "LiveSupport/Core/AudioClip.h"
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using namespace boost::posix_time;
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using namespace LiveSupport::Core;
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/* =================================================== local data structures */
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/* ================================================ local constants & macros */
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/*------------------------------------------------------------------------------
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* The name of the config element for this class
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*----------------------------------------------------------------------------*/
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const std::string AudioClip::configElementNameStr = "audioClip";
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/**
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* The name of the attribute to get the id of the audio clip.
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*/
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static const std::string idAttrName = "id";
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/**
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* The name of the attribute to get the URI of the audio clip.
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*/
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static const std::string uriAttrName = "uri";
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/**
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* The name of the attribute to get the playlength of the audio clip.
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*/
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static const std::string playlengthAttrName = "playlength";
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/* =============================================== local function prototypes */
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/* ============================================================= module code */
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/*------------------------------------------------------------------------------
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* Create an audio clip object based on an XML element.
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*----------------------------------------------------------------------------*/
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void
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AudioClip :: configure(const xmlpp::Element & element)
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throw (std::invalid_argument)
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{
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if (element.get_name() != configElementNameStr) {
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std::string eMsg = "bad configuration element ";
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eMsg += element.get_name();
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throw std::invalid_argument(eMsg);
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}
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const xmlpp::Attribute * attribute;
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std::stringstream strStr;
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unsigned long int idValue;
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if (!(attribute = element.get_attribute(idAttrName))) {
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std::string eMsg = "missing attribute ";
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eMsg += idAttrName;
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throw std::invalid_argument(eMsg);
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}
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strStr.str(attribute->get_value());
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strStr >> idValue;
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id.reset(new UniqueId(idValue));
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if (!(attribute = element.get_attribute(uriAttrName))) {
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std::string eMsg = "Missing attribute ";
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eMsg += uriAttrName;
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throw std::invalid_argument(eMsg);
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}
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std::string uriValue = attribute->get_value();
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uri.reset(new std::string(uriValue));
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if (!(attribute = element.get_attribute(playlengthAttrName))) {
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std::string eMsg = "missing attribute ";
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eMsg += idAttrName;
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throw std::invalid_argument(eMsg);
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}
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playlength.reset(new time_duration(
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duration_from_string(attribute->get_value())));
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}
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