public async Task GenerateSitemap()
{
List <string> new_urls = new List <string>();
List <string> visited = new List <string>();
Document.Urls = visited;
new_urls.Add(BaseUrl);
do
{
List <string> hrefs = new List <string>();
foreach (var url in new_urls)
{
string text = await _loader.Get(url);
if (string.IsNullOrEmpty(text))
{
continue;
}
visited.Add(url);
Notify?.Invoke();
List <string> meta = Parser.GetAHrefs(text).Distinct().ToList();
Parser.Normalize(Domain, url, ref meta);
if (Exclude)
{
meta = meta.Select(u => u.Contains('?') ? u.Split('?')[0] : u).ToList();
}
hrefs.AddRange(meta);
hrefs = hrefs.Distinct().ToList();
}
new_urls = hrefs.Except(visited).ToList();
}while (new_urls.Count != 0);
Document.Save(SavePath);
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public async Task GenerateSiteMap(String path)
{
List <string> newUrls = new List <string>();
List <string> visited = new List <string>();
_document.Urls = visited;
newUrls.Add(BaseUrl);
do
{
List <string> hrefs = new List <string>();
foreach (var url in newUrls)
{
try
{
string text = await _loader.Get(url);
if (string.IsNullOrEmpty(text))
{
continue;
}
visited.Add(url);
Notify?.Invoke();
List <string> meta = Parser.GetAHrefs(text).Distinct().ToList();
meta = Parser.Normalize(Domain, url, meta);
if (Exclude)
{
meta = meta.Select(u => u.Contains('?') ? u.Split('?')[0] : u).ToList();
}
hrefs.AddRange(meta);
hrefs = hrefs.Distinct().ToList();
}
catch (Exception ex)
{
Console.WriteLine($"[ cms][ warning]: resolve site map url failed! url={url} message={ex.Message}");
}
}
newUrls = hrefs.Except(visited).ToList();
} while (newUrls.Count != 0);
_document.Save(path);
}