private void CheckForUpdateThread()
{
string html;
try {
html = General.DownloadPageToString(General.ProgramURL);
}
catch {
return;
}
Settings.LastUpdateCheck = DateTime.Now.Date;
var htmlParser = new HTMLParser(html);
HTMLTagRange labelLatestDivTagRange = htmlParser.CreateTagRange(Enumerable.FirstOrDefault(Enumerable.Where(
htmlParser.FindStartTags("div"), t => HTMLParser.ClassAttributeValueHas(t, "label-latest"))));
if (labelLatestDivTagRange == null) return;
HTMLTagRange versionSpanTagRange = htmlParser.CreateTagRange(Enumerable.FirstOrDefault(Enumerable.Where(
htmlParser.FindStartTags(labelLatestDivTagRange, "span"), t => HTMLParser.ClassAttributeValueHas(t, "css-truncate-target"))));
if (versionSpanTagRange == null) return;
string latestStr = htmlParser.GetInnerHTML(versionSpanTagRange).Replace("v", "");
int latest = ParseVersionNumber(latestStr);
if (latest == -1) return;
int current = ParseVersionNumber(General.Version);
if (!String.IsNullOrEmpty(Settings.LatestUpdateVersion)) {
current = Math.Max(current, ParseVersionNumber(Settings.LatestUpdateVersion));
}
if (latest > current) {
lock (_startupPromptSync) {
if (IsDisposed) return;
Settings.LatestUpdateVersion = latestStr;
Invoke(() => {
if (MessageBox.Show(this, "A newer version of Chan Thread Watch is available. Would you like to open the Chan Thread Watch website?",
"Newer Version Found", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
Process.Start(General.ProgramURL);
}
});
}
}
}
public override void ResurrectDeadPosts(HTMLParser previousParser, List<ReplaceInfo> replaceList)
{
if (previousParser == null) return;
List<ReplaceInfo> tempReplaceList = new List<ReplaceInfo>();
Dictionary<string, HTMLTagRange> newPostContainers = new Dictionary<string, HTMLTagRange>();
Dictionary<string, HTMLTagRange> resurrectedPostContainers = new Dictionary<string, HTMLTagRange>();
foreach (HTMLTagRange postContainerTagRange in Enumerable.Where(Enumerable.Select(Enumerable.Where(_htmlParser.FindStartTags("div"),
t => HTMLParser.ClassAttributeValueHas(t, "postContainer")), t => _htmlParser.CreateTagRange(t)), r => r != null))
{
newPostContainers.Add(postContainerTagRange.StartTag.GetAttributeValue("id"), postContainerTagRange);
}
HTMLTagRange lastExistingPostContainerTagRange = null;
foreach (HTMLTagRange previousPostContainerTagRange in Enumerable.Where(Enumerable.Select(Enumerable.Where(previousParser.FindStartTags("div"),
t => HTMLParser.ClassAttributeValueHas(t, "postContainer")), t => previousParser.CreateTagRange(t)), r => r != null))
{
HTMLTagRange tempTagRange;
if (!newPostContainers.TryGetValue(previousPostContainerTagRange.StartTag.GetAttributeValue("id"), out tempTagRange)) {
int offset = lastExistingPostContainerTagRange != null ? lastExistingPostContainerTagRange.EndOffset :
Enumerable.FirstOrDefault(Enumerable.Where(_htmlParser.FindStartTags("div"), t => HTMLParser.ClassAttributeValueHas(t, "thread"))).EndOffset;
HTMLTag inputTag = previousParser.FindTag(false, previousPostContainerTagRange, "input");
string value = previousParser.GetHTML(previousPostContainerTagRange);
if (!value.Contains("<strong style=\"color: #FF0000\">[Deleted]</strong>")) {
value = value.Insert(inputTag.EndOffset - previousPostContainerTagRange.Offset, "<strong style=\"color: #FF0000\">[Deleted]</strong>");
}
tempReplaceList.Add(
new ReplaceInfo {
Offset = offset,
Length = 0,
Type = ReplaceType.DeadPost,
Tag = previousPostContainerTagRange.StartTag.GetAttributeValue("id"),
Value = value
});
resurrectedPostContainers.Add(previousPostContainerTagRange.StartTag.GetAttributeValue("id"), previousPostContainerTagRange);
}
else {
lastExistingPostContainerTagRange = tempTagRange;
}
}
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb)) {
General.WriteReplacedString(_htmlParser.PreprocessedHTML, tempReplaceList, sw);
}
_htmlParser = new HTMLParser(sb.ToString());
tempReplaceList.Clear();
foreach (HTMLTagRange deadLinkTagRange in Enumerable.Where(Enumerable.Select(Enumerable.Where(_htmlParser.FindStartTags("span"),
t => HTMLParser.ClassAttributeValueHas(t, "deadlink")), t => _htmlParser.CreateTagRange(t)), r => r != null))
{
string deadLinkInnerHTML = HttpUtility.HtmlDecode(_htmlParser.GetInnerHTML(deadLinkTagRange));
if (deadLinkInnerHTML.Contains(">>>")) continue;
string deadLinkID = deadLinkInnerHTML.Substring(2);
if (resurrectedPostContainers.ContainsKey("pc" + deadLinkID)) {
tempReplaceList.Add(
new ReplaceInfo {
Offset = deadLinkTagRange.Offset,
Length = deadLinkTagRange.Length,
Type = ReplaceType.DeadLink,
Tag = "pc" + deadLinkID,
Value = "<a class=\"quotelink\" href=\"#p" + deadLinkID + "\">>>" + deadLinkID + "</a>"
});
}
}
sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb)) {
General.WriteReplacedString(_htmlParser.PreprocessedHTML, tempReplaceList, sw);
}
_htmlParser = new HTMLParser(sb.ToString());
if (replaceList == null) return;
foreach (HTMLTagRange postContainerTagRange in Enumerable.Where(Enumerable.Select(Enumerable.Where(_htmlParser.FindStartTags("div"),
t => HTMLParser.ClassAttributeValueHas(t, "postContainer")), t => _htmlParser.CreateTagRange(t)), r => r != null))
{
if (!resurrectedPostContainers.ContainsKey(postContainerTagRange.StartTag.GetAttributeValue("id"))) continue;
HTMLTagRange fileTextDivTagRange = _htmlParser.CreateTagRange(Enumerable.FirstOrDefault(Enumerable.Where(
_htmlParser.FindStartTags(postContainerTagRange, "div"), t => HTMLParser.ClassAttributeValueHas(t, "fileText"))));
if (fileTextDivTagRange == null) continue;
HTMLTagRange fileThumbLinkTagRange = _htmlParser.CreateTagRange(Enumerable.FirstOrDefault(Enumerable.Where(
_htmlParser.FindStartTags(postContainerTagRange, "a"), t => HTMLParser.ClassAttributeValueHas(t, "fileThumb"))));
if (fileThumbLinkTagRange == null) continue;
HTMLTag fileTextLinkStartTag = _htmlParser.FindStartTag(fileTextDivTagRange, "a");
if (fileTextLinkStartTag == null) continue;
HTMLTag fileThumbImageTag = _htmlParser.FindStartTag(fileThumbLinkTagRange, "img");
if (fileThumbImageTag == null) continue;
HTMLAttribute attribute = fileTextLinkStartTag.GetAttribute("href");
if (attribute != null) {
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageLinkHref,
Tag = String.Empty,
Value = "href=\"" + HttpUtility.HtmlAttributeEncode(attribute.Value) + "\""
});
}
attribute = fileThumbLinkTagRange.StartTag.GetAttribute("href");
if (attribute != null) {
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageLinkHref,
Tag = String.Empty,
Value = "href=\"" + HttpUtility.HtmlAttributeEncode(attribute.Value) + "\""
});
}
attribute = fileThumbImageTag.GetAttribute("src");
if (attribute != null) {
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageSrc,
Tag = String.Empty,
Value = "src=\"" + HttpUtility.HtmlAttributeEncode(attribute.Value) + "\""
});
}
}
}
