本文整理汇总了C#中QueryType.HasFlag方法的典型用法代码示例。如果您正苦于以下问题：C# QueryType.HasFlag方法的具体用法？C# QueryType.HasFlag怎么用？C# QueryType.HasFlag使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QueryType的用法示例。
在下文中一共展示了QueryType.HasFlag方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: QueryAsync
public async Task<QuerySummary> QueryAsync(string sourcePath, bool recursive, QueryType queries, params MetaType[] types)
{
if (String.IsNullOrEmpty(sourcePath))
throw new ArgumentNullException(nameof(sourcePath));
if (!Directory.Exists(sourcePath))
throw new DirectoryNotFoundException(sourcePath);
if (queries == QueryType.None)
throw new ArgumentException("No queries given.");
Dictionary<string, IEnumerable<Tuple<string, QueryType>>> duplicates = new Dictionary<string, IEnumerable<Tuple<string, QueryType>>>();
Dictionary<string, string> md5sums = new Dictionary<string, string>();
Dictionary<string, string> sha1sums = new Dictionary<string, string>();
IEnumerable<MetaData> data = await GetMetaData(sourcePath, recursive, types);
foreach (MetaData item in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File))
{
List<Tuple<string, QueryType>> matches = new List<Tuple<string, QueryType>>();
foreach (MetaData other in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File && !x.Equals(item)))
{
QueryType match = QueryType.None;
bool equalFilename = Path.GetFileName(item.Path).Equals(Path.GetFileName(other.Path), StringComparison.Ordinal /* TODO: which type? */);
if (queries.HasFlag(QueryType.EqualFileName) && equalFilename)
match |= QueryType.EqualFileName;
if (queries.HasFlag(QueryType.EqualFileNameDifferentFileSize) && equalFilename)
{
if (item.Data[MetaKey.Size] != other.Data[MetaKey.Size])
match |= QueryType.EqualFileNameDifferentFileSize;
}
if (queries.HasFlag(QueryType.EqualChecksumMD5) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5))
{
string md5item;
if (!md5sums.TryGetValue(item.Path, out md5item))
{
md5item = GetMD5(item.Path);
md5sums[item.Path] = md5item;
}
string md5other;
if (!md5sums.TryGetValue(other.Path, out md5other))
{
md5other = GetMD5(other.Path);
md5sums[other.Path] = md5other;
}
bool md5match = md5item.Equals(md5other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumMD5) && md5match)
match |= QueryType.EqualChecksumMD5;
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5) && equalFilename && !md5match)
match |= QueryType.EqualFileNameDifferentChecksumMD5;
}
if (queries.HasFlag(QueryType.EqualChecksumSHA1) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1))
{
string sha1item;
if (!sha1sums.TryGetValue(item.Path, out sha1item))
{
sha1item = GetSHA1(item.Path);
sha1sums[item.Path] = sha1item;
}
string sha1other;
if (!sha1sums.TryGetValue(other.Path, out sha1other))
{
sha1other = GetSHA1(other.Path);
sha1sums[other.Path] = sha1other;
}
bool sha1match = sha1item.Equals(sha1other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumSHA1) && sha1match)
match |= QueryType.EqualChecksumSHA1;
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1) && equalFilename && !sha1match)
match |= QueryType.EqualFileNameDifferentChecksumSHA1;
}
if ((queries.HasFlag(QueryType.LowResolution) || queries.HasFlag(QueryType.EqualFileNameDifferentResolution)) && item.Data.ContainsKey(MetaKey.Resolution))
{
//const int limit = 960 * 1280;
const int resolutionLimit = 1024 * 768;
int resolutionItem = (int)item.Data[MetaKey.Width] * (int)item.Data[MetaKey.Height];
if (resolutionItem <= resolutionLimit)
match |= QueryType.LowResolution;
if (queries.HasFlag(QueryType.EqualFileNameDifferentResolution) && other.Data.ContainsKey(MetaKey.Resolution) && equalFilename)
{
int resolutionOther = (int)other.Data[MetaKey.Width] * (int)other.Data[MetaKey.Height];
if (resolutionItem != resolutionOther)
match |= QueryType.EqualFileNameDifferentResolution;
}
}
if (match != QueryType.None)
matches.Add(Tuple.Create(other.Path, match));
}
if (matches.Count > 0)
duplicates[item.Path] = matches;
}
//.........这里部分代码省略.........