/// <summary>
/// 在搜索程序集路径的时候所使用的方法
/// </summary>
/// <param name="enumValue"></param>
/// <param name="arg"></param>
/// <returns></returns>
private static bool EnumDir(ref string enumValue, EnumDirectoryArg arg)
{
string totalPath = Path.Combine(enumValue, arg.Tag.ToString());
if (File.Exists(totalPath))
{
return(true);
}
return(false);
}
/// <summary>
/// 从程序集目录下搜索指定的文件
/// </summary>
/// <param name="fileName">需要搜索的文件名，如果是全路径则直接返回</param>
/// <returns></returns>
public static string FindAssemblyFile(string fileName)
{
if (fileName == null || fileName == string.Empty)
{
return(null);
}
if (fileName.IndexOf(":") > 0)
{
return(fileName);
}
string domainPath = AppDomain.CurrentDomain.BaseDirectory;
using (EnumDirectoryArg res = new EnumDirectoryArg())
{
res.Tag = fileName;
if (EnumDirectory(ref domainPath, new EnumDirectoryMethodHandler(EnumDir), null, res))
{
return(Path.Combine(res.TargetPath, fileName));
}
}
string holePath;
string[] pathes = Environment.GetEnvironmentVariable("Path").Split(';');
for (int i = 0; i < pathes.Length; i++)
{
pathes[i] = GetPath(pathes[i]);
holePath = Path.Combine(pathes[i], fileName);
if (File.Exists(holePath))
{
return(holePath);
}
}
return(null);
}
/// <summary>
/// 遍历指定文件夹的所有目录
/// </summary>
/// <param name="dir">给定的文件夹</param>
/// <param name="method">搜索时所要执行的方法</param>
/// <param name="filter">文件名过滤器</param>
/// <returns></returns>
static bool EnumDirectory(ref string dir, EnumDirectoryMethodHandler method, string filter, EnumDirectoryArg result)
{
if (result != null)
{
result.Success = false;
}
if (dir == null || dir == string.Empty)
{
return(false);
}
if (method(ref dir, result))
{
if (result != null)
{
result.Success = true;
result.TargetPath = dir;
}
return(true);
}
string[] dirs = null;
if (filter != null && filter != string.Empty)
{
dirs = Directory.GetDirectories(dir, filter);
}
else
{
dirs = Directory.GetDirectories(dir);
}
for (int i = 0; i < dirs.Length; i++)
{
if (method(ref dirs[i], result))
{
if (result != null)
{
result.Success = true;
result.TargetPath = dirs[i];
}
return(true);
}
}
for (int i = 0; i < dirs.Length; i++)
{
if (EnumDirectory(ref dirs[i], method, filter, result))
{
return(true);
}
}
return(false);
}