/// <summary>
/// 使用指定的模式搜索谱面，可指定包含与不包含
/// </summary>
/// <param name="mode"></param>
/// <param name="option"></param>
/// <returns></returns>
public BeatmapCollection Find(OsuGameMode mode, BeatmapFindOption option = BeatmapFindOption.Contains)
{
var bc = new BeatmapCollection();
foreach (var b in _beatmaps)
{
if (option == BeatmapFindOption.Contains)
{
if (b.Mode == mode)
{
if (!bc.Contains(b))
{
bc.Add(b);
}
}
}
if (option == BeatmapFindOption.NotContains)
{
if (b.Mode != mode)
{
if (!bc.Contains(b))
{
bc.Add(b);
}
}
}
}
return(bc);
}
/* public BeatmapCollection FindEx(string artist = null, string title = null, string creator = null, string version = null, string tag = null, string source = null)
* {
* BeatmapCollection result = new BeatmapCollection();
*
* return result;
* }*/
/// <summary>
/// 使用关键词搜索谱面，可指定包括与不包括
/// </summary>
/// <param name="keyWord"></param>
/// <param name="option"></param>
/// <returns></returns>
public BeatmapCollection Find(string keyWord, BeatmapFindOption option = BeatmapFindOption.Contains)
{
var b = new BeatmapCollection();
var keyword = keyWord.ToUpper();
foreach (var beatmap in _beatmaps)
{
var allinfo = beatmap.ToString().ToUpper() + " " + beatmap.Source.ToUpper() + " " +
beatmap.Tags.ToUpper() + " " + beatmap.Creator.ToUpper() + " " +
beatmap.Maker.ToUpper();
if (option == BeatmapFindOption.Contains)
{
if (keyword.StartsWith("${") && keyword.EndsWith("}"))
{
var newkeyword = keyword.Trim('$', '}', '{');
if (beatmap.Title.ToUpper() == newkeyword || beatmap.TitleUnicode.ToUpper() == newkeyword ||
beatmap.Artist.ToUpper() == newkeyword ||
beatmap.ArtistUnicode.ToUpper() == newkeyword ||
beatmap.Maker.ToUpper() == newkeyword || beatmap.Creator.ToUpper() == newkeyword ||
beatmap.Tags.ToUpper() == newkeyword || beatmap.Source.ToUpper() == newkeyword ||
beatmap.Difficulty.ToUpper() == newkeyword)
{
if (!b.Contains(beatmap))
{
b.Add(beatmap);
}
}
}
else if (allinfo.Contains(keyword))
{
b.Add(beatmap);
}
}
if (option == BeatmapFindOption.NotContains)
{
if (keyword.StartsWith("${") && keyword.EndsWith("}"))
{
var newkeyw = keyword.Trim('$', '}', '{');
if (beatmap.Title.ToUpper() != newkeyw && beatmap.TitleUnicode.ToUpper() != newkeyw &&
beatmap.Artist.ToUpper() != newkeyw && beatmap.ArtistUnicode.ToUpper() != newkeyw &&
beatmap.Maker.ToUpper() != newkeyw && beatmap.Creator.ToUpper() != newkeyw &&
beatmap.Tags.ToUpper() != newkeyw && beatmap.Source.ToUpper() != newkeyw &&
beatmap.Difficulty.ToUpper() != newkeyw)
{
if (!b.Contains(beatmap))
{
b.Add(beatmap);
}
}
}
else if (!allinfo.Contains(keyword))
{
b.Add(beatmap);
}
}
}
if (b.Beatmaps.Count == 0)
{
throw new BeatmapNotFoundException("找不到指定的谱面");
}
return(b);
}