public void DeleteImage(EpubItem item)
{
System.Diagnostics.Trace.Assert(item.IsImage);
Manifest.Remove(item);
AbsolutePathIndex.Remove(item.AbsolutePath);
IdIndex.Remove(item.Id);
}
public void InsertChapter(List <EpubItem> chapters, EpubItem insertAt)
{
for (int i = 0; i < Manifest.Count; ++i)
{
if (insertAt == Manifest[i])
{
for (int j = 0; j < chapters.Count; ++j)
{
Manifest.Insert(i + j, chapters[j]);
}
break;
}
}
for (int i = 0; i < Spine.Count; ++i)
{
if (insertAt == Spine[i])
{
for (int j = 0; j < chapters.Count; ++j)
{
Spine.Insert(i + j, chapters[j]);
}
break;
}
}
for (int j = 0; j < chapters.Count; ++j)
{
var chapter = chapters[j];
AbsolutePathIndex.Add(chapter.AbsolutePath, chapter);
IdIndex.Add(chapter.Id, chapter);
}
}
public void CalcNewPathAndID(EpubItem item, int offset)
{
string oldAbsolutePath = item.AbsolutePath;
var oldFileName = oldAbsolutePath.getZipFileName();
var oldprefix = EpubItem.PrefixAsInt(oldFileName);
var fileName = oldFileName.StripPrefixFromFileName();
var path = oldAbsolutePath.GetZipPath();
if (!string.IsNullOrEmpty(path))
{
path += '/';
}
// note possible conflict as "cover" does not have a prefix
// which might conflict if there was also a page with 0000_cover.xhtml
// So, if page has a prefix, bump offest by one.
var bump = EpubItem.ExtractPrefixFromFileName(oldFileName) == null ? 0 : 1;
var newPrefix = (oldprefix + offset + bump).ToString("D4");
var newAbsolutePath = $"{path}{newPrefix}_{fileName}";
NewAbsolutePaths.Add(oldAbsolutePath, newAbsolutePath);
string newId = item.Id.StripDigits() + newPrefix;
NewItemIds.Add(item.Id, newId);
}
public static byte[] UpdateXhtmlPage(this EpubItem item, Dictionary <string, string> newAbsolutePaths)
{
System.Diagnostics.Trace.WriteLine($"Fixing up references on page {item.AbsolutePath}");
var xhtml = item.RawBytes.ToXhtml();
var itemPath = item.AbsolutePath.GetZipPath();
FixupReferences(xhtml, itemPath, newAbsolutePaths);
return(xhtml.ToSBytes());
}
public static void ConvertToJpeg(this EpubItem item)
{
item.MediaType = Epub.jpegMedia;
int index = item.AbsolutePath.LastIndexOf(".");
item.AbsolutePath = item.AbsolutePath.Substring(0, index + 1) + "jpeg";
var image = item.RawBytes.ExtractImage(true);
item.RawBytes = image.ConvertToJpeg();
}
public GuideReference(XElement element, string opfFolder, Dictionary <string, EpubItem> absolutePathIndex)
{
string path = ZipUtils.RelativePathToAbsolute(opfFolder, element.Attribute("href").Value);
EpubItem temp = null;
absolutePathIndex.TryGetValue(path, out temp);
Item = temp;
Title = element.Attribute("title")?.Value;
TypeName = element.Attribute("type").Value;
}
public void InsertChapter(EpubItem chapter, TocEntry tocEntry, EpubItem preceedingItem)
{
Opf.InsertChapter(new List <EpubItem>()
{
chapter
}, preceedingItem);
ToC.InsertChapter(new List <TocEntry>()
{
tocEntry
}, preceedingItem);
}
public void DeleteItem(EpubItem item)
{
// ToDo, better handling of case when item appears in ToC
// in multple places. (Due to nested chapters)
var entryDetails = FindTocEntry(item.AbsolutePath);
while (entryDetails.entries != null)
{
entryDetails.entries.RemoveAt(entryDetails.index);
entryDetails = FindTocEntry(item.AbsolutePath);
}
}
public void PopulateControls(Epub epub, EpubItem itemToInsertBefore, int chapterNum)
{
this.epub = epub;
this.itemToInsertBefore = itemToInsertBefore;
int idVal = epub.Opf.GetPageItems().GetMaxPrefix() + 1;
string idNum = idVal.ToString("D4");
textBoxId.Text = "xhtml" + idNum;
textBoxTitle.Text = $"Chapter {chapterNum}";
textBoxPath.Text = $"OEBPS/Text/{idNum}_Chapter{chapterNum}.xhtml";
changeEpubAction = InsertChapter;
}
public override bool Clean(XDocument doc, EpubItem item)
{
if (!string.Equals(HostName(item), "vipnovel.com"))
{
return(false);
}
bool modified = false;
var toDelete = doc.FindElementsMatching("div", IsZipNovelPromo);
toDelete.RemoveElements();
return(modified);
}
public void CopyEpubItem(EpubItem item, Func <EpubItem, byte[]> docUpdater)
{
var newItem = new EpubItem()
{
Id = NewItemIds[item.Id],
AbsolutePath = NewAbsolutePaths[item.AbsolutePath],
MediaType = item.MediaType,
RawBytes = docUpdater(item),
Source = item.Source
};
InitialEpub.Opf.AppendItem(newItem);
}
public override bool Clean(XDocument doc, EpubItem item)
{
if (!string.Equals(HostName(item), "re-library.com"))
{
return(false);
}
var targets = doc.FindElementsMatching("a", e => e.Value == "⌈ Index ⌋");
targets.AddRange(doc.FindElementsWithClassName("div", "code-block"));
targets.AddRange(FindLeaveCommentElements(doc));
targets.RemoveElements();
return(0 < targets.Count);
}
public void InsertChapter(List <TocEntry> tocEntries, EpubItem insertAt)
{
var entryDetails = FindTocEntry(insertAt.AbsolutePath);
if (entryDetails.entries == null)
{
MessageBox.Show("Preceeding ToC entry not found, inserting at start");
entryDetails.entries = Entries;
}
;
for (int j = 0; j < tocEntries.Count; ++j)
{
entryDetails.entries.Insert(entryDetails.index + j, tocEntries[j]);
}
}
public bool Clean(EpubItem item)
{
bool changed = false;
var doc = item.RawBytes.ToXhtml();
foreach (var cleaner in Cleaners)
{
changed |= cleaner.Clean(doc, item);
}
if (changed)
{
item.RawBytes = doc.ToSBytes();
}
return(changed);
}
public override bool Clean(XDocument doc, EpubItem item)
{
if (!string.Equals(HostName(item), "novelfull.com"))
{
return(false);
}
var toDelete = doc.GetTextNodes().Where(ShouldRemoveTextNode).ToList();
foreach (var node in toDelete)
{
System.Diagnostics.Trace.WriteLine(node.Value);
node.Remove();
}
return(0 < toDelete.Count);
}
public void CopyImageEpubItem(EpubItem item)
{
var hash = item.RawBytes.ToHash();
// don't copy images that are already in epub
if (hash != 0)
{
string existingImage = null;
if (ImageHashes.TryGetValue(hash, out existingImage))
{
NewAbsolutePaths[item.AbsolutePath] = existingImage;
return;
}
}
CopyEpubItem(item, (i) => i.RawBytes);
}
public void InsertChapter()
{
var newChapter = new EpubItem()
{
Id = textBoxId.Text,
AbsolutePath = textBoxPath.Text,
MediaType = Epub.XhtmlMedia,
RawBytes = Encoding.UTF8.GetBytes(Epub.EmptyXhtmlDoc),
Source = textBoxSource.Text
};
var newTocEntry = new TocEntry()
{
Title = textBoxTitle.Text,
Item = newChapter
};
epub.InsertChapter(newChapter, newTocEntry, itemToInsertBefore);
}
public void PopulateControlsForUpdate(Epub epub, EpubItem toUpdate)
{
this.toUpdate = toUpdate;
var entryDetails = epub.ToC.FindTocEntry(toUpdate.AbsolutePath);
tocEntry = entryDetails.entries[entryDetails.index];
textBoxId.Enabled = false;
textBoxId.Text = toUpdate.Id;
textBoxTitle.Text = tocEntry.Title;
textBoxSource.Text = tocEntry.ContentSrc;
textBoxSource.Enabled = false;
textBoxPath.Text = toUpdate.AbsolutePath;
textBoxPath.Enabled = false;
textBox1.Text = toUpdate.RawBytes.ToXhtml().ToString();
changeEpubAction = UpdateChapter;
this.Text = "Update Chapter";
button2.Text = "Update";
}
static public string CheckForErrors(this EpubItem item, Signature sig1, Signature prevSig)
{
var baseName = Path.GetFileName(item.AbsolutePath);
bool littleTextExpected = baseName.Equals("0000_Information.xhtml") || sig1.HasImages;
if (littleTextExpected)
{
return(null);
}
if (sig1.Count < 3)
{
return($"{item.AbsolutePath} might be empty");
}
else if (sig1.ProbableDuplicate(prevSig))
{
return($"Possible Duplicate chapters {item.AbsolutePath}");
}
return(null);
}
public ToC(XDocument doc, EpubItem ncxItem, Dictionary <string, EpubItem> absolutePathIndex)
{
NcxItem = ncxItem;
Version = doc.Root.Attribute("version").Value;
Language = doc.Root.Attribute(Epub.xmlNs + "lang")?.Value;
Uid = doc.Root.Element(Epub.ncxNs + "head")
.Elements(Epub.ncxNs + "meta")
.Where(e => e.Attribute("name").Value == "dtb:uid")
.First()
.Attribute("content").Value;
DocTitle = doc.Root.Element(Epub.ncxNs + "docTitle")
.Element(Epub.ncxNs + "text")
.Value;
var map = doc.Root.Element(Epub.ncxNs + "navMap");
string ncxPath = NcxFileName.GetZipPath();
Entries = map.Elements(Epub.ncxNs + "navPoint")
.Select(e => new TocEntry(e, ncxPath, absolutePathIndex))
.ToList();
}
public override bool Clean(XDocument doc, EpubItem item)
{
return(RemoveScripts(doc)
| RemoveEzoic(doc)
| doc.RemoveEmptyDivElements());
}
public void InsertChapters(List <EpubItem> chapters, List <TocEntry> tocEntries, EpubItem insertAt)
{
Opf.InsertChapter(chapters, insertAt);
ToC.InsertChapter(tocEntries, insertAt);
}
public void CopyPageEpubItem(EpubItem item)
{
CopyEpubItem(item, (i) => EpubUtils.UpdateXhtmlPage(i, NewAbsolutePaths));
}
public void AppendItem(EpubItem item)
{
Manifest.Add(item);
AbsolutePathIndex.Add(item.AbsolutePath, item);
IdIndex.Add(item.Id, item);
}
public EpubItem GetUpdatedItem(EpubItem item)
{
var newId = NewItemIds[item.Id];
return(InitialEpub.Opf.IdIndex[newId]);
}
public static Image ExtractImage(this EpubItem item)
{
System.Diagnostics.Trace.Assert(item.IsImage);
return(item.RawBytes.ExtractImage(item.IsWebp()));
}
public abstract bool Clean(XDocument doc, EpubItem item);
public static string HostName(EpubItem item)
{
return(string.IsNullOrEmpty(item.Source)
? null
: new Uri(item.Source)?.Host);
}
public static bool IsWebp(this EpubItem item)
{
return(item.MediaType == Epub.webpMedia);
}