/*

	mpg123clr: MPEG Audio Decoder library Common Language Runtime version.

	copyright 2009 by Malcolm Boczek - free software under the terms of the LGPL 2.1

	mpg123clr.dll is a derivative work of libmpg123 - all original mpg123 licensing terms apply.

	All rights to this work freely assigned to the mpg123 project.

*/

/*

	libmpg123: MPEG Audio Decoder library

	copyright 1995-2008 by the mpg123 project - free software under the terms of the LGPL 2.1

	see COPYING and AUTHORS files in distribution or http://mpg123.org

*/

/*

	1.8.1.0	04-Aug-09	Initial release.

	1.9.0.0 01-Oct-09	Technical cleanup - subst nullptr for NULL (mb)

	1.10.0.0 30-Nov-09	Add test for null base (sb) - in addition to null string test (mb)

						(required if v2 referenced prior to file scan)

*/

#include "StdAfx.h"

#include "id3v2.h"

mpg123clr::id3::mpg123id3v2::mpg123id3v2(void)

{

}

mpg123clr::id3::mpg123id3v2::mpg123id3v2(mpg123_id3v2* sb)

{

	this->sb = sb;

}

// Destructor

mpg123clr::id3::mpg123id3v2::~mpg123id3v2(void)

{

	// clean up code to release managed resources

	// ...

	// call Finalizer to clean up unmanaged resources

	this->!mpg123id3v2();

}

// Finalizer

mpg123clr::id3::mpg123id3v2::!mpg123id3v2(void)

{

	// we do not create the underlying structure, so shouldn't dispose it either...

}

String^ mpg123clr::id3::mpg123id3v2::title::get()

{

	// updated: more efficient "union style" mpg123str

	mpg123str^ str = (sb == nullptr || sb->title == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->title);

	// Deprecated remnant - uses "overlayed style" mpg123str - note inefficient PtrToStrucure...

	//	mpg123str^% str = gcnew mpg123str;

	//	Marshal::PtrToStructure((IntPtr)sb->title, str);

	return str->Text;

}

String^ mpg123clr::id3::mpg123id3v2::artist::get()

{

	mpg123str^ str = (sb == nullptr || sb->artist == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->artist);

	return str->Text;

}

String^ mpg123clr::id3::mpg123id3v2::album::get()

{

	mpg123str^ str = (sb == nullptr || sb->album == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->album);

	return str->Text;

}

String^ mpg123clr::id3::mpg123id3v2::comment::get()

{

	mpg123str^ str = (sb == nullptr || sb->comment == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->comment);

	return str->Text;

}

String^ mpg123clr::id3::mpg123id3v2::year::get()

{

	mpg123str^ str = (sb == nullptr || sb->year == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->year);

	return str->Text;

}

String^ mpg123clr::id3::mpg123id3v2::genre::get()

{

	mpg123str^ str = (sb == nullptr || sb->genre == nullptr) ? gcnew mpg123str("") : gcnew mpg123str(sb->genre);

	return str->Text;

}

int mpg123clr::id3::mpg123id3v2::version::get()

{

	return sb->version;

}

array<mpg123clr::mpg123text^>^ mpg123clr::id3::mpg123id3v2::MakeTextList(mpg123_text* ptr, size_t count)

{

	// WARN 4267 - clr limited to 32bit-length-size arrays!!

	array<mpg123clr::mpg123text^>^ ary = gcnew array<mpg123clr::mpg123text^>((int)count);

	for (int ii = 0; ii < ary->Length; ii++)

	{

		// Remnant - for explicit layout

		//		mpg123text^% txt = gcnew mpg123text;

		//		Marshal::PtrToStructure((IntPtr)ptr++, txt);

		// New code - for "handle style" structure 

		mpg123text^% txt = gcnew mpg123text(ptr++);

		ary[ii] = txt;

	}

	return ary;

}

array<mpg123clr::mpg123text^>^ mpg123clr::id3::mpg123id3v2::Comments::get()

{

	return MakeTextList(sb->comment_list, sb->comments);

}

array<mpg123clr::mpg123text^>^ mpg123clr::id3::mpg123id3v2::Texts::get()

{

	return MakeTextList(sb->text, sb->texts);

}

array<mpg123clr::mpg123text^>^ mpg123clr::id3::mpg123id3v2::Extras::get()

{

	return MakeTextList(sb->extra, sb->extras);

}