public static Interactive LoadLocal(Stream stream)
{
Interactive story = new Interactive();
BinaryReader binReader = new BinaryReader(stream);
story.ItemId = binReader.ReadUInt32();
story.Title = binReader.ReadString();
story.Owner = binReader.ReadString();
story.Description = binReader.ReadString();
story.InfoText = binReader.ReadString();
ushort count = binReader.ReadByte();
for (ushort us = 0; us < count; us++)
{
story.RootChapters.Add(binReader.ReadUInt16());
}
count = binReader.ReadUInt16();
for (ushort us = 0; us < count; us++)
{
story.Chapters.Add(Chapter.LoadLocal(stream));
}
return(story);
}
public static async Task <Interactive> LoadWebSkeleton(uint itemId)
{
Interactive story = new Interactive(itemId);
// Get HTML document for main story page.
HtmlDocument htmlDoc = await WebUtilities.GetHtmlDocumentAsync(ParseParams.IABaseUrl + itemId);
// Start downloading outline page.
Task <HtmlDocument> outlineDocTask = WebUtilities.GetHtmlDocumentAsync(ParseParams.IABaseUrl + itemId + ParseParams.IAOutlineUrlSegment);
// Check page title node to see if a valid ID was given.
HtmlNode pageTitleNode = htmlDoc.DocumentNode.SelectSingleNode(ParseParams.PageTitleXPath);
if (pageTitleNode == null)
{
throw new Exception("Cannot find page title.");
}
else if (pageTitleNode.InnerText.Contains("Item Not Found"))
{
throw new Exception("Story not found");
}
// Find the HTML node with the text for each field we need, and assign the field value.
story.Title = WebUtilities.GetHtmlNodeText(htmlDoc, ParseParams.IATitleXPath);
story.Owner = WebUtilities.GetHtmlNodeText(htmlDoc, ParseParams.IAOwnerPath);
story.Description = WebUtilities.GetHtmlNodeText(htmlDoc, ParseParams.IADescriptionXPath);
story.InfoText = WebUtilities.GetHtmlNodeText(htmlDoc, ParseParams.IAInfoTextXPath);
// Finish getting the outline HTML document.
HtmlDocument outlineDoc = await outlineDocTask;
// Check if we got the "Please Login" message.
HtmlNode loginNode = outlineDoc.DocumentNode.SelectSingleNode(ParseParams.IAOutlineLoginXPath);
if (loginNode != null && loginNode.InnerText.Contains("Please login"))
{
throw new Exception("Not logged in, unable to access outline.");
}
// Parse out chapter names and map structure.
HtmlNode outlineParentNode = outlineDoc.DocumentNode.SelectSingleNode(ParseParams.IAOutlineParentXPath);
List <HtmlNode> outlineHtmlNodes = new List <HtmlNode>(outlineParentNode.ChildNodes);
int nodeIndex = 0;
HtmlNode spanNode = null;
HtmlNode bNode = null;
while (nodeIndex < outlineHtmlNodes.Count)
{
// span element contains choice path string (1-2-1-1-3-...).
if (outlineHtmlNodes[nodeIndex].Name.Equals("span", StringComparison.OrdinalIgnoreCase))
{
spanNode = outlineHtmlNodes[nodeIndex];
// span element must come first.
bNode = null;
}
// b element contains chapter name.
else if (outlineHtmlNodes[nodeIndex].Name.Equals("b", StringComparison.OrdinalIgnoreCase))
{
bNode = outlineHtmlNodes[nodeIndex];
}
if (spanNode != null && bNode != null)
{
// Get choice path as array of ints.
string choicePathStr = spanNode.InnerText;
// Remove junk at end.
choicePathStr = choicePathStr.Substring(0, choicePathStr.Length - 7);
// Convert to int.
List <byte> choices = new List <byte>();
foreach (string s in choicePathStr.Split('-'))
{
choices.Add(byte.Parse(s));
}
string chapterName = WebUtilities.CleanHtmlSymbols(bNode.InnerText);
// Remove "#_: " from start of name.
chapterName = chapterName.Substring(chapterName.IndexOf(' ') + 1);
Chapter chapter = new Chapter(chapterName, choices[choices.Count - 1]);
story.AddChapter(chapter, choices);
spanNode = null;
bNode = null;
}
nodeIndex++;
}
return(story);
}
