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Minor refact

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This commit is contained in:
niksedk 2021-12-10 22:30:57 +01:00
parent d726027b76
commit 052d72271b
2 changed files with 54 additions and 25 deletions
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3
LanguageMaster.xml
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@ -1506,8 +1506,7 @@ Would you like to start from the top of the document and continue search and rep
<TextingForHearingImpairedRemovedOneLine>Texting for hearing impaired removed: One line</TextingForHearingImpairedRemovedOneLine>
<TextingForHearingImpairedRemovedXLines>Texting for hearing impaired removed: {0} lines</TextingForHearingImpairedRemovedXLines>
<SubtitleSplitted>Subtitle was split</SubtitleSplitted>
<SubtitleAppendPrompt>This will append an existing subtitle to the currently loaded subtitle which should
already be in sync with video file.
<SubtitleAppendPrompt>This will append an existing subtitle to the currently loaded subtitle which should already be in sync with video file.
Continue?</SubtitleAppendPrompt>
<SubtitleAppendPromptTitle>Append subtitle</SubtitleAppendPromptTitle>

66
src/libse/SubtitleFormats/Pac.cs
View File

@ -1160,7 +1160,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
}
// write text length
var length = (UInt16)(textBuffer.Length + 4 + (doWritePACHeaderOpt ? PACHeaderOpt.Length : 0));
var length = (ushort)(textBuffer.Length + 4 + (doWritePACHeaderOpt ? PACHeaderOpt.Length : 0));
fs.Write(BitConverter.GetBytes(length), 0, 2);
fs.WriteByte(verticalAlignment); // fs.WriteByte(0x0a); // sometimes 0x0b? - this seems to be vertical alignment - 0 to 11
@ -1324,17 +1324,17 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
subtitle.Paragraphs.Clear();
subtitle.Header = null;
bool usesSecondaryCodePage = UsesSecondaryCodePage(buffer);
int index = 0;
while (index < buffer.Length)
{
Paragraph p = GetPacParagraph(ref index, buffer, usesSecondaryCodePage);
var p = GetPacParagraph(ref index, buffer, usesSecondaryCodePage, subtitle.Paragraphs.Count);
if (p != null)
{
subtitle.Paragraphs.Add(p);
}
}
subtitle.Renumber();
}
@ -1364,20 +1364,29 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
private static bool CompareBytes(byte[] buff, int pos, byte[] seq)
{
if (buff.Length < pos + seq.Length)
{
return false;
}
for (int i = 0; i < seq.Length; i++)
{
if (buff[pos + i] != seq[i])
{
return false;
}
}
return true;
}
private Paragraph GetPacParagraph(ref int index, byte[] buffer, bool usesSecondaryCodePage)
private Paragraph GetPacParagraph(ref int index, byte[] buffer, bool usesSecondaryCodePage, int paragraphIndex)
{
bool isStory = index < 15;
var isStory = index < 15;
if (isStory)
{
index = 15;
}
while (true)
{
index++;
@ -1386,25 +1395,28 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
return null;
}
if (buffer[index] == 0xFE && (buffer[index - 15] == 0x60 || buffer[index - 15] == 0x61))
if (buffer[index] == 0xFE)
{
var minus15 = buffer[index - 15];
if (minus15 == 0x60 || minus15 == 0x61 || minus15 == 0x62)
{
break;
}
if (buffer[index] == 0xFE && (buffer[index - 12] == 0x60 || buffer[index - 12] == 0x61))
var minus12 = buffer[index - 12];
if (minus12 == 0x60 || minus12 == 0x61 || minus12 == 0x62)
{
break;
}
}
}
int feIndex = index;
const int endDelimiter = 0x00;
byte alignment = buffer[feIndex + 1];
bool isSecondaryCodePage = (alignment & 0x08) != 0;
alignment &= 0x07;
var p = new Paragraph();
int timeStartIndex = feIndex - 15;
if (buffer[timeStartIndex] == 0x60)
{
@ -1417,27 +1429,27 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
p.StartTime = GetTimeCode(timeStartIndex + 1, buffer);
p.EndTime = GetTimeCode(timeStartIndex + 5, buffer);
}
else if (buffer[timeStartIndex] == 0x61)
else if (buffer[timeStartIndex] == 0x61 || buffer[timeStartIndex] == 0x62)
{
p.StartTime = GetTimeCode(timeStartIndex + 1, buffer);
p.EndTime = GetTimeCode(timeStartIndex + 5, buffer);
int length = buffer[timeStartIndex + 9] + buffer[timeStartIndex + 10] * 256;
if (length < 1 || length > 200 ||
p.StartTime.TotalSeconds - _lastStartTotalSeconds < 1 || p.StartTime.TotalSeconds - _lastStartTotalSeconds > 1500 ||
p.EndTime.TotalSeconds - _lastEndTotalSeconds < 1 || p.EndTime.TotalSeconds - _lastEndTotalSeconds > 1500)
if (length < 1 || length > 200 || (paragraphIndex != 1 &&
(p.StartTime.TotalSeconds - _lastStartTotalSeconds < 1 || p.StartTime.TotalSeconds - _lastStartTotalSeconds > 1500 ||
p.EndTime.TotalSeconds - _lastEndTotalSeconds < 1 || p.EndTime.TotalSeconds - _lastEndTotalSeconds > 1500)))
{
return null;
}
}
else if (buffer[timeStartIndex + 3] == 0x61)
else if (buffer[timeStartIndex + 3] == 0x61 || buffer[timeStartIndex + 3] == 0x62)
{
timeStartIndex += 3;
p.StartTime = GetTimeCode(timeStartIndex + 1, buffer);
p.EndTime = GetTimeCode(timeStartIndex + 5, buffer);
int length = buffer[timeStartIndex + 9] + buffer[timeStartIndex + 10] * 256;
if (length < 1 || length > 200 ||
p.StartTime.TotalSeconds - _lastStartTotalSeconds < 1 || p.StartTime.TotalSeconds - _lastStartTotalSeconds > 1500 ||
p.EndTime.TotalSeconds - _lastEndTotalSeconds < 1 || p.EndTime.TotalSeconds - _lastEndTotalSeconds > 1500)
if (length < 1 || length > 200 || (paragraphIndex != 1 &&
(p.StartTime.TotalSeconds - _lastStartTotalSeconds < 1 || p.StartTime.TotalSeconds - _lastStartTotalSeconds > 1500 ||
p.EndTime.TotalSeconds - _lastEndTotalSeconds < 1 || p.EndTime.TotalSeconds - _lastEndTotalSeconds > 1500)))
{
return null;
}
@ -1446,6 +1458,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
return null;
}
int textLength = buffer[timeStartIndex + 9] + buffer[timeStartIndex + 10] * 256;
if (textLength > 500)
{
@ -1548,19 +1561,31 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
else if (isUnicode)
{
if (buffer[index] == MarkerEndOfUnicode)
{
isUnicode = false;
}
else if (buffer[index] == MarkerReplaceEndOfUnicode)
{
sb.Append((char)MarkerEndOfUnicode);
}
else
{
int len = 1;
byte b = buffer[index];
if (b >= 0xE0)
{
len = 3;
}
else if (b >= 0xC0)
{
len = 2;
}
if (buffer.Length > index + len - 1)
{
sb.Append(Encoding.UTF8.GetString(buffer, index, len));
}
index += len - 1;
}
}
@ -1600,6 +1625,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
index++;
}
if (index + 20 >= buffer.Length)
{
return null;
@ -1658,7 +1684,8 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
p.Text = "{\\an3}" + p.Text;
}
}
p.Text = p.Text.RemoveControlCharactersButWhiteSpace();
p.Text = p.Text.RemoveControlCharactersButWhiteSpace().TrimEnd();
return p;
}
@ -1809,6 +1836,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
// ignored
}
return CodePageLatin;
}
@ -1860,6 +1888,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
index++;
}
}
previewBuffer = new byte[textIndex];
for (int i = 0; i < textIndex; i++)
{
@ -2331,6 +2360,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
throw new InvalidOperationException($"Unknown byte ({b}) in subtitle file @ binary offset {index}.");
}
return string.Empty;
}