static void parseSubsBlock(List <SubtitleEntry> entries, String s, int block)
{
var ss = s.Split('\r');
for (int i = 0; i < ss.Length; i += 2)
{
SubtitleEntry sub = new SubtitleEntry();
sub.blockNumber = block;
sub.lang = (LocaleID)(int.Parse(ss[i]));
sub.text = ss[i + 1];
entries.Add(sub);
}
}
private static void addCineFileNode(XPathNavigator current, List <CineFile> cfl, bool isBigEndian)
{
string basepath = current.GetAttribute("base", "");
string name = current.GetAttribute("name", "");
var entryNodes = current.Select("entry");
CineFile cf = new CineFile(basepath, name, isBigEndian);
SubtitleEntry se;
// Get first entry
entryNodes.MoveNext();
se = new SubtitleEntry();
se.lang = Locale.getFromString(entryNodes.Current.GetAttribute("lang", ""));
se.blockNumber = int.Parse(entryNodes.Current.GetAttribute("block", ""));
se.text = entryNodes.Current.Value;
while (entryNodes.MoveNext() == true)
{
// Check if same block
if (se.blockNumber == int.Parse(entryNodes.Current.GetAttribute("block", "")))
{
se.text += ("\n" + entryNodes.Current.Value);
}
else
{
// Save previous entry
cf.add(se);
// Save new current entry
se = new SubtitleEntry();
se.lang = Locale.getFromString(entryNodes.Current.GetAttribute("lang", ""));
se.blockNumber = int.Parse(entryNodes.Current.GetAttribute("block", ""));
se.text = entryNodes.Current.Value;
}
}
// Add last sub entry
cf.add(se);
// Add cinefile to list
cfl.Add(cf);
}
private static void addCineFileNode(XPathNavigator current, List<CineFile> cfl, bool isBigEndian)
{
string basepath = current.GetAttribute("base", "");
string name = current.GetAttribute("name", "");
var entryNodes = current.Select("entry");
CineFile cf = new CineFile(basepath, name, isBigEndian);
SubtitleEntry se;
// Get first entry
entryNodes.MoveNext();
se = new SubtitleEntry();
se.lang = Locale.getFromString(entryNodes.Current.GetAttribute("lang", ""));
se.blockNumber = int.Parse(entryNodes.Current.GetAttribute("block", ""));
se.text = entryNodes.Current.Value;
while (entryNodes.MoveNext() == true)
{
// Check if same block
if (se.blockNumber == int.Parse(entryNodes.Current.GetAttribute("block", "")))
{
se.text += ("\n" + entryNodes.Current.Value);
}
else
{
// Save previous entry
cf.add(se);
// Save new current entry
se = new SubtitleEntry();
se.lang = Locale.getFromString(entryNodes.Current.GetAttribute("lang", ""));
se.blockNumber = int.Parse(entryNodes.Current.GetAttribute("block", ""));
se.text = entryNodes.Current.Value;
}
}
// Add last sub entry
cf.add(se);
// Add cinefile to list
cfl.Add(cf);
}
public void add(SubtitleEntry e)
{
subEntries.Add(e);
}
private byte[] blockChangeSub(byte[] array, SubtitleEntry entry, int blockno)
{
int index = array.Length - 1;
byte[] output = null;
// Remove end zeros
while (index >= 0 && array[index] == 0x00)
{
index--;
}
int endidx = index;
int startidx = findSubsStartIndex(array, endidx);
if (startidx == 0)
{
throw new Exception("Error finding sub to replace");
}
// Read original subs
List <SubtitleEntry> origSubs = new List <SubtitleEntry>();
parseSubsBlock(origSubs, Encoding.UTF8.GetString(array, startidx + 4, endidx - startidx - 4), blockno);
// Replace new subtitle text
foreach (SubtitleEntry newEntry in subEntries)
{
if (newEntry.blockNumber != blockno)
{
continue;
}
foreach (SubtitleEntry origEntry in origSubs)
{
if (newEntry.lang == origEntry.lang)
{
origEntry.text = newEntry.text;
break;
}
}
}
// Get the modified subs block
var subs = rebuildSubsBlock(origSubs, blockno); //origSubs being the new subs
// Compute total length
int length = startidx + subs.Length;
// Align to 16 bytes
length = ((length + 15) >> 4) << 4;
output = new byte[length];
// Copy data before subs
Array.Copy(array, output, startidx);
// Copy subs
Array.Copy(subs, 0, output, startidx, subs.Length);
// Adjust lengths
MemoryStream ms = new MemoryStream(output);
ms.Position = 4;
ms.writeuint((uint)(length - 16), isBE);
if (blockno != 0)
{
ms.Position = 16;
ms.writeuint((uint)(length - 20), isBE);
}
return(output);
}
public void add(SubtitleEntry e)
{
subEntries.Add(e);
}
private byte[] blockChangeSub(byte[] array, SubtitleEntry entry, int blockno)
{
int index = array.Length - 1;
byte[] output = null;
// Remove end zeros
while (index >= 0 && array[index] == 0x00)
{
index--;
}
int endidx = index;
int startidx = findSubsStartIndex(array, endidx);
if (startidx == 0)
throw new Exception("Error finding sub to replace");
// Read original subs
List<SubtitleEntry> origSubs = new List<SubtitleEntry>();
parseSubsBlock(origSubs, Encoding.UTF8.GetString(array, startidx + 4, endidx - startidx - 4), blockno);
// Replace new subtitle text
foreach (SubtitleEntry newEntry in subEntries)
{
if (newEntry.blockNumber != blockno)
continue;
foreach (SubtitleEntry origEntry in origSubs)
{
if (newEntry.lang == origEntry.lang)
{
origEntry.text = newEntry.text;
break;
}
}
}
// Get the modified subs block
var subs = rebuildSubsBlock(origSubs, blockno); //origSubs being the new subs
// Compute total length
int length = startidx + subs.Length;
// Align to 16 bytes
length = ((length + 15) >> 4) << 4;
output = new byte[length];
// Copy data before subs
Array.Copy(array, output, startidx);
// Copy subs
Array.Copy(subs, 0, output, startidx, subs.Length);
// Adjust lengths
MemoryStream ms = new MemoryStream(output);
ms.Position = 4;
ms.writeuint((uint)(length - 16), isBE);
if (blockno != 0)
{
ms.Position = 16;
ms.writeuint((uint)(length - 20), isBE);
}
return output;
}
static void parseSubsBlock(List<SubtitleEntry> entries, String s, int block)
{
var ss = s.Split('\r');
for (int i = 0; i < ss.Length; i += 2)
{
SubtitleEntry sub = new SubtitleEntry();
sub.blockNumber = block;
sub.lang = (LocaleID)(int.Parse(ss[i]));
sub.text = ss[i + 1];
entries.Add(sub);
}
}
