public static void ProcessDir(string dir, string ver = null)
{
ver = ver ?? FindVer(dir) ?? DateTime.UtcNow.ToShortDateString();
DVersion = ver;
Console.WriteLine($"version: {ver}");
TOP = TOP.Replace("%VER%", ver);
RootFolder = Path.GetFullPath(dir);
if (!RootFolder.EndsWith("" + Path.DirectorySeparatorChar))
{
RootFolder += Path.DirectorySeparatorChar;
}
ParseDir(RootFolder);
Console.WriteLine("\n");
IndexDir(RootFolder);
SaveIndex(CombineDir(RootFolder, "Index.hhk"));
Console.WriteLine("\n");
BooksFromDir(RootFolder);
Console.WriteLine("\n");
}
// Changing HTMLs
static void Parse(string html, string img, string jqry)
{
var doc = new HtmlDocument();
doc.Load(html, Encoding.UTF8);
var root = doc.DocumentNode;
Console.WriteLine($"parsing {html}");
// change TOP
var del = root.SelectSingleNode("//div[@id=\"copyright\"]");
var cprt = del?.InnerHtml;
del?.Remove();
var top = TOP.Replace("%TEXT%", cprt).Replace("%IMG%", img);
del = root.SelectSingleNode("//div[@id=\"top\"]");
//del?.Remove();
del?.ParentNode.ReplaceChild(
HtmlNode.CreateNode(top), del);
// delete ISSUES
del = root.SelectSingleNode("//div[@id=\"tools\"]");
del?.Remove();
// delete RIGHT TREE, CHM has own
del = root.SelectSingleNode("//div[@class=\"subnav-helper\"]");
del?.Remove();
del = root.SelectSingleNode("//div[@class=\"subnav\"]");
del?.Remove();
// replace ARROWS (no need load font for symbols "<" and ">"
// <i class="fa fa-angle-left" aria-hidden="true"></i>
var upd = root.SelectSingleNode("//i[@class=\"fa fa-angle-left\"]");
upd?.ParentNode.ReplaceChild(
HtmlNode.CreateNode("<b><</b>"), upd);
// <i class="fa fa-angle-right" aria-hidden="true"></i>
upd = root.SelectSingleNode("//i[@class=\"fa fa-angle-right\"]");
upd?.ParentNode.ReplaceChild(
HtmlNode.CreateNode("<b>></b>"), upd);
var dir = Path.GetDirectoryName(html);
// SCRIPTs: delete all except jQuery & listanchors
bool contains(HtmlNode hn, string what)
{
var txt = (hn?.InnerText ?? "").ToLower().Replace(" ", "");
var attr = hn.GetAttributeValue("src", "");
return((txt + attr).Contains(what));
}
var scripts = (root.SelectNodes("//script")
?? Enumerable.Empty <HtmlNode>()).ToArray();
var delScripts = scripts;
var anchors = scripts.Where(n => contains(n, "listanchors"));
if (anchors.Count() == 2)
{
var fst = anchors.First();
var htm = $"<script type=\"text/javascript\" src=\"{jqry}\"/>\n";
fst.ParentNode.InsertBefore(HtmlNode.CreateNode(htm), fst);
delScripts = scripts.Except(anchors).ToArray();
}
// delete others
foreach (var scr in delScripts)
{
scr.Remove();
}
// replece hrefs that are !local and !exists to text
foreach (var nod in root.SelectNodes("//*[@href]"))
{
var href = nod.Attributes["href"].Value.Trim().ToLower();
if (href[0] == '#')
{
continue;
}
if (!FileExists(dir, href))
{
nod.ParentNode.ReplaceChild(
HtmlNode.CreateNode(nod.InnerText), nod);
}
}
// remove "- D programming language" from title
const string Dlang = "- d programming language";
upd = root.SelectSingleNode("//title");
if ((upd?.InnerText ?? "").ToLower().EndsWith(Dlang))
{
var ih = upd.InnerHtml;
upd.InnerHtml = ih.Substring(0, ih.Length - Dlang.Length).Trim();
}
Titles[html] = upd?.InnerText ?? html.Replace(RootFolder, "");
// remove empty lines
root.InnerHtml = Regex.Replace(root.InnerHtml, @"^\s+$[\r\n]*", "", RegexOptions.Multiline);
doc.Save(html, Encoding.UTF8);
// bonus:
// at this point out HTMLs takes 15Mb on disk instead 85Mb (for v2.088.0)
}