public Task<List<BookSearchResult>> Search(BookModel book, string query, int count)
{
if (string.IsNullOrEmpty(query) || book == null)
return Task<List<BookSearchResult>>.Factory.StartNew(() => new List<BookSearchResult>());
_bookTokenIterator?.Dispose();
_book = book;
_bookTokenIterator = new BookTokenIterator(_book.GetTokensPath(), TokensTool.GetTokens(_book.BookID));
_query = PrepareQuery(query);
return Task<List<BookSearchResult>>
.Factory.StartNew(() => Load(_bookTokenIterator, _query, count));
}
public string GetLastParagraphByToken(BookModel book, int tokenOffset, out string pointer)
{
var result = new List<string>();
using (var tokenIterator = new BookTokenIterator(book.GetTokensPath(), TokensTool.GetTokens(book.BookID)))
{
var token = FindNewToken(tokenOffset, tokenIterator);
pointer = token.Pointer;
var tokenId = token.ID;
tokenIterator.MoveTo(tokenId);
while (tokenIterator.MoveNext())
{
if (tokenIterator.Current is TagOpenToken && result.Count > 0)
break;
var textToken = tokenIterator.Current as TextToken;
if (textToken == null)
continue;
result.Add(textToken.Text);
}
}
return string.Join(" ", result);
}
public string GetText(BookModel book, int tokenOffset, int wordsCount, out int lastTokenId)
{
lastTokenId = -1;
var result = new List<string>();
using (var tokenIterator = new BookTokenIterator(book.GetTokensPath(), TokensTool.GetTokens(book.BookID)))
{
int words = 0;
tokenIterator.MoveTo(tokenOffset);
while (tokenIterator.MoveNext() && words < wordsCount)
{
if (tokenIterator.Current is NewPageToken && result.Count > 0)
break;
var textToken = tokenIterator.Current as TextToken;
if (textToken == null)
continue;
lastTokenId = textToken.ID;
result.Add(textToken.Text);
words++;
}
}
return string.Join(" ", result);
}
public static void SaveTokens(BookModel book, IBookSummaryParser parser)
{
var tokens = parser.GetTokenParser().GetTokens().ToList();
var positions = SaveTokensWithPosition(book.GetTokensPath(), tokens);
SaveTokenPosition(book.GetTokensRefPath(), positions);
book.TokenCount = positions.Count;
book.WordCount = tokens.Count(t => t is TextToken);
book.CurrentTokenID = Math.Min(tokens.Count - 1, book.CurrentTokenID);
parser.BuildChapters();
SaveAnchors(book.BookID, book.GetAnchorsPath(), parser.Anchors, tokens);
SaveChapters(book.BookID, book.GetChaptersPath(), parser.Chapters, tokens);
SaveInfo(book.GetFolderPath(), book.TokenCount, book.WordCount);
}
public BookSearch(BookModel book)
{
_book = book;
_bookTokenIterator = new BookTokenIterator(book.GetTokensPath(), TokensTool.GetTokens(book.BookID));
}