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Crawl.cs
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Crawl.cs
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<<<<<<< HEAD
namespace ImgRip
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading;
using Google.GData.Client;
using HAP = HtmlAgilityPack;
static class Helper
{
public static bool CompareWithLength(this string src, string s)
{
if (src.Length != s.Length)
{
return src.Length > s.Length;
}
else
return string.Compare(src, s, true) > 0;
}
public static bool ContainsEx(this string src, string check, StringComparison sc=StringComparison.OrdinalIgnoreCase)
{
if (string.IsNullOrEmpty(src) || string.IsNullOrEmpty(check)) return false;
return src.IndexOf(check, sc) >= 0;
}
}
static class Fetch
{
static WebClient wc;
#region Properties Definitions
public static Dictionary<string, string> Images { get; private set; }
public static bool Canceled { get; set; }
public static bool Dropped { get; set; }
public static Site Site { get; set; }
public static FileInfo Current { get; set; }
public static string Location { get; set; }
public static bool Skip { get; set; }
public static string Title { get; set; }
public static string Address { get; set; }
public static string Next { get; set; }
public static string Screen { get; private set; }
#endregion
public static Stream GetStream(string url, string cookie = null)
{
Stream r = null;
using (wc = new WebClient())
{
if (cookie != null)
wc.Headers[HttpRequestHeader.Cookie] = string.Format("JSESSIONID={0}", cookie);
var are = new AutoResetEvent(false);
wc.OpenReadCompleted += (s, e) => { if (!e.Cancelled) r = e.Result; are.Set(); };
wc.OpenReadAsync(new Uri(url));
are.WaitOne(); are.Close();
}
return r;
}
public static void GetFile(string url, string file)
{
using (wc = new WebClient())
{
wc.Headers[HttpRequestHeader.Referer] = url;
var are = new AutoResetEvent(false);
wc.DownloadFileCompleted += (s, e) =>
{ if ((e.Cancelled || e.Error != null) && File.Exists(file)) File.Delete(file); are.Set(); };
wc.DownloadFileAsync(new Uri(url), file);
are.WaitOne(); are.Close();
}
}
public static void Cancel()
{
if (wc != null) wc.CancelAsync();
}
public static string Parse(string url, Func<HAP.HtmlNodeCollection, string> fnNextPage = null,
Func<string, string> fnName = null, Func<string, string> fnAddress = null, Func<HAP.HtmlNode, string> fnScreen = null)
{
var hw = new HAP.HtmlWeb();
var doc = hw.Load(url);
if (Canceled) return "User Cancelled.";
Title = doc.DocumentNode.SelectSingleNode("//title").InnerText;
Title = Title.Trim().Split('-', '_', '(', '[', '|', ':', '、')[0];
var uri = new Uri(url); var host = uri.Host; var port = uri.Port;
var folder = url.Substring(0, url.LastIndexOf('/') + 1);
fnName = fnName ?? (n => n.Substring(n.LastIndexOf('/') + 1));
fnAddress = fnAddress ?? (a => a.StartsWith("http://") ? a :
(string.Format("http://{0}{1}{2}", host, port == 80 ? "" : ":" + port.ToString(), a.StartsWith("/") ? "" : "/") + a));
#region Get screen resolution info
if (!string.IsNullOrEmpty(Site.Screen))
{
var screenlist = doc.DocumentNode.SelectSingleNode(Site.Screen);
Screen = fnScreen(screenlist);
}
#endregion
var links = doc.DocumentNode.SelectNodes(Site.Image);
if (links == null || links.Count == 0) return "No gallery found in this page.";
Images = new Dictionary<string, string>();
#region Get Photo collection
foreach (var lnk in links)
{
var item = lnk;
switch (Site.Type)
{
case "PalAthCx":
var href = lnk.ParentNode.Attributes["href"].Value;
if (!href.EndsWith(".html", StringComparison.OrdinalIgnoreCase)) continue;
break;
case "Leg99":
item = lnk.ParentNode;
break;
}
var atag = item.Name.ToLower() == "a";
var src = atag ? item.Attributes["href"].Value.Trim() : item.Attributes["file"] != null ? item.Attributes["file"].Value.Trim() : item.Attributes["src"].Value.Trim();
var address = fnAddress(HttpUtility.HtmlDecode(src));
var name = item.InnerText == string.Empty ? fnName(address) : item.InnerText;
if (name != null && address != null)
{
Images[name] = address;
System.Diagnostics.Trace.WriteLine(string.Format("Name:\"{0}\"\n\tUrl:\t\"{1}\"", name, address));
}
}
System.Diagnostics.Trace.WriteLine(string.Format("Total [{0}] photos in page: \"{1}\".", Images.Count, Title));
if (Images.Count==0) return "No gallery found in this page.";
#endregion
if (string.IsNullOrEmpty(Site.Next)) return null;
#region Get Next page url
fnNextPage = fnNextPage ?? (hnc =>
{
if (hnc == null) return null;
var page = hnc.LastOrDefault();
if (page == null || page.Name != "a" || page.Attributes["href"] == null) return null;
var href = page.Attributes["href"].Value; if (href == "#" || href.StartsWith("javascript")) return null;
var next = href.StartsWith("http://") ?
href : href.StartsWith("./") ?
href.Replace("./", folder) : href.StartsWith("../") ? href.Replace("../", UpFolder(folder)) : href.StartsWith("/") ?
string.Format("http://{0}{1}", host, port == 80 ? "" : ":" + port.ToString()) + href : (href.StartsWith("?") ?
url.Split('?')[0] + href : href.IndexOf('/') > 0 ? string.Format("http://{0}/", host) : folder) + href;
if (Site.Type == "BitAuto"||Site.Type=="LianTu") return next;
var pq = new Uri(next).PathAndQuery.TrimEnd('/');
var cur = uri.PathAndQuery.TrimEnd('/');
return pq.CompareWithLength(cur) ? next : null;
});
#endregion
var pages = doc.DocumentNode.SelectNodes(Site.Next);
Next = pages == null ? null : fnNextPage(pages);
System.Diagnostics.Trace.WriteLine(string.Format("Next page is: {0}", Next ?? "Empty"));
return null;
}
static string UpFolder(string url)
{
var parts = url.Split("/".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 0) return string.Empty;
return url.Replace(parts[parts.Length - 1] + "/", "");
}
public static void Reset()
{
if (Images != null) Images.Clear();
Canceled = Dropped = Skip = false;
Current = null;
Title = Address = string.Empty;
}
}
class Site
{
public Site(string name, string domain, string xpImage, string xpNext=null)
{
Name = name;
Domain = domain;
Image = xpImage;
Next = xpNext;
}
public string Domain { get; set; }
public string Image { get; private set; }
public string Next { get; set; }
public string Name { get; private set; }
public string Screen { get; set; }
public string Type { get; set; }
public override string ToString()
{
return Domain;
}
}
}
=======
namespace ImgRip
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading;
using Google.GData.Client;
using HAP = HtmlAgilityPack;
static class Helper
{
public static bool CompareWithLength(this string src, string s)
{
if (src.Length != s.Length)
{
return src.Length > s.Length;
}
else
return string.Compare(src, s, true) > 0;
}
public static bool ContainsEx(this string src, string check, StringComparison sc=StringComparison.OrdinalIgnoreCase)
{
if (string.IsNullOrEmpty(src) || string.IsNullOrEmpty(check)) return false;
return src.IndexOf(check, sc) >= 0;
}
}
static class Fetch
{
static WebClient wc;
#region Properties Definitions
public static Dictionary<string, string> Images { get; private set; }
public static bool Canceled { get; set; }
public static bool Dropped { get; set; }
public static Site Site { get; set; }
public static FileInfo Current { get; set; }
public static string Location { get; set; }
public static bool Skip { get; set; }
public static string Title { get; set; }
public static string Address { get; set; }
public static string Next { get; set; }
public static string Screen { get; private set; }
#endregion
public static Stream GetStream(string url, string cookie = null)
{
Stream r = null;
using (wc = new WebClient())
{
if (cookie != null)
wc.Headers[HttpRequestHeader.Cookie] = string.Format("JSESSIONID={0}", cookie);
var are = new AutoResetEvent(false);
wc.OpenReadCompleted += (s, e) => { if (!e.Cancelled) r = e.Result; are.Set(); };
wc.OpenReadAsync(new Uri(url));
are.WaitOne(); are.Close();
}
return r;
}
public static void GetFile(string url, string file)
{
using (wc = new WebClient())
{
wc.Headers[HttpRequestHeader.Referer] = url;
var are = new AutoResetEvent(false);
wc.DownloadFileCompleted += (s, e) =>
{ if ((e.Cancelled || e.Error != null) && File.Exists(file)) File.Delete(file); are.Set(); };
wc.DownloadFileAsync(new Uri(url), file);
are.WaitOne(); are.Close();
}
}
public static void Cancel()
{
if (wc != null) wc.CancelAsync();
}
public static string Parse(string url, Func<HAP.HtmlNodeCollection, string> fnNextPage = null,
Func<string, string> fnName = null, Func<string, string> fnAddress = null, Func<HAP.HtmlNode, string> fnScreen = null)
{
var hw = new HAP.HtmlWeb();
var doc = hw.Load(url);
if (Canceled) return "User Cancelled.";
Title = doc.DocumentNode.SelectSingleNode("//title").InnerText;
Title = Title.Trim().Split('-', '_', '(', '[', '|', '.', ':', '、')[0];
var uri = new Uri(url); var host = uri.Host; var port = uri.Port;
var folder = url.Substring(0, url.LastIndexOf('/') + 1);
fnName = fnName ?? (n => n.Substring(n.LastIndexOf('/') + 1));
fnAddress = fnAddress ?? (a => a.StartsWith("http://") ? a :
(string.Format("http://{0}{1}{2}", host, port == 80 ? "" : ":" + port.ToString(), a.StartsWith("/") ? "" : "/") + a));
#region Get screen resolution info
if (!string.IsNullOrEmpty(Site.Screen))
{
var screenlist = doc.DocumentNode.SelectSingleNode(Site.Screen);
Screen = fnScreen(screenlist);
}
#endregion
var links = doc.DocumentNode.SelectNodes(Site.Image);
if (links == null || links.Count == 0) return "No gallery found in this page.";
Images = new Dictionary<string, string>();
#region Get Photo collection
foreach (var lnk in links)
{
var item = lnk;
switch (Site.Type)
{
case "PalAthCx":
var href = lnk.ParentNode.Attributes["href"].Value;
if (!href.EndsWith(".html", StringComparison.OrdinalIgnoreCase)) continue;
break;
case "Leg99":
item = lnk.ParentNode;
break;
}
var atag = item.Name.ToLower() == "a";
var src = atag ? item.Attributes["href"].Value.Trim() : item.Attributes["file"] != null ? item.Attributes["file"].Value.Trim() : item.Attributes["src"].Value.Trim();
var address = fnAddress(HttpUtility.HtmlDecode(src));
var name = item.InnerText == string.Empty ? fnName(address) : item.InnerText;
Images[name] = address;
System.Diagnostics.Trace.WriteLine(string.Format("Name:\"{0}\"\n\tUrl:\t\"{1}\"", name, address));
}
System.Diagnostics.Trace.WriteLine(string.Format("Total <{0}> photos in page \"{1}\".", Images.Count, Title));
#endregion
if (string.IsNullOrEmpty(Site.Next)) return null;
#region Get Next page url
fnNextPage = fnNextPage ?? (hnc =>
{
if (hnc == null) return null;
var page = hnc.LastOrDefault();
if (page == null || page.Name != "a" || page.Attributes["href"] == null) return null;
var href = page.Attributes["href"].Value; if (href == "#" || href.StartsWith("javascript")) return null;
var next = href.StartsWith("http://") ?
href : href.StartsWith("./") ?
href.Replace("./", folder) : href.StartsWith("/") ?
string.Format("http://{0}{1}", host, port == 80 ? "" : ":" + port.ToString()) + href : (href.StartsWith("?") ?
url.Split('?')[0] + href : href.IndexOf('/') > 0 ? string.Format("http://{0}/", host) : folder) + href;
if (Site.Type == "BitAuto") return next;
var pq = new Uri(next).PathAndQuery.TrimEnd('/');
var cur = uri.PathAndQuery.TrimEnd('/');
return pq.CompareWithLength(cur) ? next : null;
});
#endregion
var pages = doc.DocumentNode.SelectNodes(Site.Next);
Next = pages == null ? null : fnNextPage(pages);
System.Diagnostics.Trace.WriteLine(string.Format("Next page is: {0}", Next));
return null;
}
public static void Reset()
{
if (Images != null) Images.Clear();
Canceled = Dropped = Skip = false;
Current = null;
Title = Address = string.Empty;
}
}
class Site
{
public Site(string name, string domain, string xpImage, string xpNext=null)
{
Name = name;
Domain = domain;
Image = xpImage;
Next = xpNext;
}
string Domain { get; set; }
public string Image { get; private set; }
public string Next { get; set; }
public string Name { get; private set; }
public string Screen { get; set; }
public string Type { get; set; }
public override string ToString()
{
return Domain;
}
}
}
>>>>>>> parent of fb9b497... Sync from codeplex