public static bool Exists(string path)
{
return(PathUtil.GetPathState(path) == PathState.File);
}
/// <summary>
/// 拷贝源路径到目标路径
/// </summary>
/// <param name="sourPath"> 源路径 </param>
/// <param name="destPath"> 目标路径 </param>
/// <param name="force"> 是否强制覆盖目标路径 </param>
public static void CopyPath(string sourPath, string destPath, bool force)
{
if (sourPath == destPath)
{
throw new DoodleException("sourPath and destPath can't be same!");
}
int wildcardIndex = sourPath.LastIndexOf("*", System.StringComparison.Ordinal);
bool srcWildcard = wildcardIndex >= 0;
string needCheckPath = sourPath;
if (srcWildcard)
{
int lastSlashIndex = sourPath.LastIndexOf('/');
if (lastSlashIndex > wildcardIndex)
{
throw new DoodleException(string.Format("sourPath {0} 是不合法的路径！", sourPath));
}
needCheckPath = Path.GetDirectoryName(sourPath);
}
var sourState = GetPathState(needCheckPath);
if (sourState == PathState.None)
{
throw new DoodleException(string.Format("{0} 路径不存在！", needCheckPath));
}
var destState = GetPathState(destPath);
if (!force && destState != PathState.None)
{
throw new DoodleException("destPath is not empty!");
}
if (srcWildcard)
{
if (destState == PathState.File)
{
if (force)
{
PathUtil.RemovePath(destPath);
}
else
{
throw new DoodleException(string.Format("destPath {0} 不能是一个文件，除非指明force！", destPath));
}
}
var files = Directory.GetFiles(Path.GetDirectoryName(sourPath), Path.GetFileName(sourPath));
DirUtil.TryCreateDir(destPath);
foreach (var f in files)
{
PathUtil.CopyPath(f, Path.Combine(destPath, Path.GetFileName(f)), force);
}
}
else
{
var relation = GetPathRelation(sourPath, destPath);
if (sourState == PathState.Dir && relation == PathRelation.Parent)
{
throw new DoodleException("can't copy a directory into itself!");
}
if (destState == PathState.Dir && relation == PathRelation.Child)
{
throw new DoodleException("can't overwrite sourPath's parent dir!");
}
DirUtil.TryCreateParentDir(destPath, force);
TryRemovePath(destPath);
if (sourState == PathState.File)
{
File.Copy(sourPath, destPath);
}
else if (sourState == PathState.Dir)
{
DirUtil.CopyDir(sourPath, destPath, true);
}
}
}