public XFragment(string text, int start)
{
Regex reg_tag = new Regex("<.*?>");
int count = 0, pos = start;
Match m;
do
{
m = reg_tag.Match(text, pos);
if (!m.Success)
{
Log.log("Error:Unexpect end."); return;
}
XTag tag = new XTag(m.Value);
if (tag.type == PartType.tag_start)
{
count++;
}
if (tag.type == PartType.tag_end)
{
count--;
}
if (m.Index > pos)
{
parts.Add(new XText(text.Substring(pos, m.Index - pos)));
}
parts.Add(tag);
pos = m.Index + m.Value.Length;
}while (count > 0);
Length = m.Index - start + m.Value.Length;
root = new XELement(this, 0);
}
public ProcOPF(string root)
{
string container = Path.Combine(root, "META-INF/container.xml");
if (!File.Exists(container))
{
Log.log("Error:Cannot find meta-inf"); return;
}
string metainf = File.ReadAllText(container);
Regex reg = new Regex("<rootfile .*?>");
XTag tag = new XTag(reg.Match(metainf).Value);
string opf_path = tag.GetAttribute("full-path");
opf_path = Path.Combine(root, opf_path);
string opf = File.ReadAllText(opf_path);
Regex item = new Regex("<item .*?>");
Match m = item.Match(opf);
while (m.Success)
{
XTag t = new XTag(m.Value);
if (Path.GetFileName(t.GetAttribute("href")) == "notereplace.js")
{
opf = opf.Remove(m.Index, m.Length); break;
}
m = m.NextMatch();
}
File.WriteAllText(opf_path, opf);
}
void CheckHead()
{
Regex reg = new Regex("<head>[\\w\\W]*?</head>");
Match m = reg.Match(text);
if (!m.Success)
{
Log.log("Warn:No head tag in xhtml"); return;
}
Regex reg_link = new Regex("<link .*?>");
Regex reg_script = new Regex("<script .*?>");
var ms = reg_link.Matches(m.Value);
foreach (Match link in ms)
{
XTag tag = new XTag(link.Value);
if (tag.GetAttribute("type").ToLower() == "text/css")
{
string url = tag.GetAttribute("href");
url = Util.ReferPath(filename, url);
css.Add(url);
}
}
int pos = m.Index;
Match scpt = reg_script.Match(text, pos);
while (scpt.Success)
{
XTag tag = new XTag(scpt.Value);
if (tag.GetAttribute("src").Contains("notereplace.js"))
{
string scpt_end = "</script>";
int sei = text.IndexOf(scpt_end, scpt.Index);
if (sei < 0)
{
Log.log("Error:Unclosed script tag."); break;
}
text = text.Remove(scpt.Index, sei - scpt.Index + scpt_end.Length);
Log.log("Removed reference to notereplace.js");
break;
}
else
{
pos = scpt.Index + scpt.Length;
}
scpt = reg_script.Match(text, pos);
}
}
void ProcNote(Match m, XTag tag)
{
string note_id = "", ref_id;
//Link tag solve
{
var a = tag.GetClassNames();
if (!Contains(a, "duokan-footnote"))
{
string added = "duokan-footnote";
if (a.Length != 0)
{
added = " " + added;
}
tag.SetAttribute("class", tag.GetAttribute("class") + added);
}
}
if (tag.GetAttribute("epub:type") != "noteref")
{
tag.SetAttribute("epub:type", "noteref");
}
{
string href = tag.GetAttribute("href");
int pt = href.IndexOf('#');
if (pt < 0)
{
Log.log("Error:Not a valid link :" + href + ""); return;
}
if (pt != 0)
{
Log.log("Warn: href=\":" + href + "\"");
}
note_id = href.Substring(pt + 1);
}
ref_id = note_id + "_ref";
tag.SetAttribute("id", ref_id);
text = text.Remove(m.Index, m.Length);
text = text.Insert(m.Index, tag.ToString());
//Note content
ProcNoteContent(note_id, ref_id);
}
void CheckFootnotes()
{
Regex reg_link = new Regex("<a .*?>");
int pos = 0;
Match link = reg_link.Match(text);
while (link.Success)
{
XTag tag = new XTag(link.Value);
if (Contains(tag.GetClassNames(), "duokan-footnote") ||
tag.GetAttribute("epub:type") == "noteref")
{
ProcNote(link, tag);
}
pos = link.Index + 1;//假定注释本体都在链接后面
link = reg_link.Match(text, pos);
}
}
void ProcNoteContent(string note_id, string ref_id)
{
Regex reg_tag = new Regex("<.*?>");
Regex reg_duokan = new Regex("<ol .*?>");
Regex reg_aside = new Regex("<aside .*?>");
int index = -1, length = 0;
string note_content = null; string list_value = "1";
Match m = reg_aside.Match(text);
while (m.Success)
{
XTag tag = new XTag(m.Value);
if (tag.GetAttribute("id") == note_id)
{
index = m.Index;
XFragment frag = new XFragment(text, index);
if (frag.root != null)
{
var dk = frag.root.GetElementById(note_id);
if (dk != null)
{
//做过兼容，aside里套多看li
note_content = dk.innerXHTML;
list_value = dk.tag.GetAttribute("value");
}
else
{
note_content = frag.root.innerXHTML;
}
length = frag.Length;
}
else
{
Log.log("Error:Found note but failure on parsing. id=" + note_id); return;
}
break;
}
m = m.NextMatch();
}
if (index < 0)//如果只对多看适配，没有aside
{
m = reg_duokan.Match(text);
while (m.Success)
{
XFragment frg = new XFragment(text, m.Index);
if (frg.root != null)
{
if (Contains(frg.root.tag.GetClassNames(), "duokan-footnote-content"))
{
var a = frg.root.GetElementById(note_id);
if (a != null)
{
index = m.Index;
note_content = a.innerXHTML;
length = frg.Length;
break;
}
}
}
m = m.NextMatch();
}
}
if (note_content == null)
{
Log.log("Error:cannot find note"); return;
}
string template = "<aside epub:type=\"footnote\" id=\"{0}\"><a href=\"#{1}\"></a><ol class=\"duokan-footnote-content\" style=\"list-style:none\"><li class=\"duokan-footnote-item\" id=\"{0}\">{2}</li></ol></aside>";
string note_full = string.Format(template, note_id, ref_id, note_content);
text = text.Remove(index, length);
text = text.Insert(index, note_full);
Log.log("Formated:" + note_id + ":" + note_content);
contain_footnote = true;
}