private static List <Citation> ReadFromDisk(PDFDocument pdf_document)
{
WPFDoEvents.AssertThisCodeIs_NOT_RunningInTheUIThread();
List <Citation> citations = new List <Citation>();
List <LibraryDB.LibraryItem> library_items = pdf_document.Library.LibraryDB.GetLibraryItems(pdf_document.Fingerprint, PDFDocumentFileLocations.CITATIONS);
if (0 < library_items.Count)
{
LibraryDB.LibraryItem library_item = library_items[0];
string lines_all = Encoding.UTF8.GetString(library_item.data);
StringArray lines = StringTools.splitAtNewline(lines_all);
foreach (string line in lines)
{
string[] chunks = line.Split(',');
Citation citation = new Citation();
citation.fingerprint_outbound = chunks[0];
citation.fingerprint_inbound = chunks[1];
citation.type = (Citation.Type)Convert.ToInt32(chunks[2]);
citations.Add(citation);
}
}
return(citations);
}
private void AddCitation(Citation new_citation)
{
// Utilities.LockPerfTimer l1_clk = Utilities.LockPerfChecker.Start();
lock (citations_lock)
{
// l1_clk.LockPerfTimerStop();
// We can't cite ourself!
if (0 == new_citation.fingerprint_outbound.CompareTo(new_citation.fingerprint_inbound))
{
return;
}
// Try to update an existing record
bool needs_write = false;
bool citation_exists = false;
List <Citation> citations = Citations_RAW;
foreach (Citation citation in citations)
{
if (new_citation.Equals(citation))
{
citation_exists = true;
break;
}
}
// If there was no existing record
if (!citation_exists)
{
citations.Add(new_citation);
needs_write = true;
}
// If we need to write, write!
if (needs_write)
{
WriteToDisk(pdf_document, citations);
}
}
}
private void AddCitation(Citation new_citation)
{
lock (this)
{
// We can't cite ourself!
if (0 == new_citation.fingerprint_outbound.CompareTo(new_citation.fingerprint_inbound))
{
return;
}
// Try to update an existing record
bool needs_write = false;
bool citation_exists = false;
List <Citation> citations = Citations;
foreach (Citation citation in citations)
{
if (new_citation.Equals(citation))
{
citation_exists = true;
break;
}
}
// If there was no existing record
if (!citation_exists)
{
citations.Add(new_citation);
needs_write = true;
}
// If we need to write, write!
if (needs_write)
{
WriteToDisk(pdf_document, citations);
}
}
}
