Nemcio/ChanSort
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- complete rework of TLL and SCM loaders, removing all "unsafe" code

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- fixed various issues with SCM files
This commit is contained in:
hbeham
2013-04-03 12:47:24 +02:00
parent e194ff983b
commit 994235e020
78 changed files with 4896 additions and 2961 deletions
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89
ChanSort.Api/Utils/DvbStringDecoder.cs
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@@ -70,7 +70,8 @@ namespace ChanSort.Api
null, "iso-8859-5", "iso-8859-6", "iso-8859-7", "iso-8859-8", "iso-8859-9", "iso-8859-10", "iso-8859-11",
null, "iso-8859-13", "iso-8859-14", "iso-8859-15", null, null, null, null,
null, // codePages2 prefix
"utf-16", "x-cp20949", "x-cp20936", "utf-16", "utf-8", null, null, null
"utf-16", "x-cp20949", "x-cp20936", "utf-16", "utf-8", null, null, null,
"utf-8", null, null, null, "utf-8"
};
static readonly string[] codePages2 =
@@ -89,49 +90,73 @@ namespace ChanSort.Api
public Encoding DefaultEncoding { get; set; }
#region GetChannelNames()
public unsafe void GetChannelNames(byte* name, int len, out string longName, out string shortName)
public void GetChannelNames(byte[] name, int off, int len, out string longName, out string shortName)
{
StringBuilder sbLong = new StringBuilder();
StringBuilder sbShort = new StringBuilder();
longName = "";
shortName = "";
if (len == 0)
return;
byte b = name[off];
if (b == 0)
return;
Decoder decoder = this.DefaultEncoding.GetDecoder();
bool inShortMode = false;
for (int i = 0; i < len; i++)
bool singleByteChar = true;
if (b < 0x20)
{
byte b = name[i];
if (b == 0x00)
break;
if (b == 0x10) // prefix for 3-byte code page
if (b == 0x10) // prefix for 2-byte code page
{
int cpIndex = name[i + 1] * 256 + name[i + 2];
i += 2;
int cpIndex = name[off + 1] * 256 + name[off + 2];
off += 2;
len -= 2;
SetDecoder(codePages2, cpIndex, ref decoder);
continue;
}
if (b <= 0x1F)
{
SetDecoder(codePages1, b, ref decoder);
continue;
}
singleByteChar = b < 0x10;
++off;
--len;
}
if (!singleByteChar)
{
char[] buffer = new char[100];
int l= decoder.GetChars(name, off, len, buffer, 0, false);
longName = new string(buffer, 0, l);
return;
}
StringBuilder sbLong = new StringBuilder();
StringBuilder sbShort = new StringBuilder();
bool inShortMode = false;
for (int c = 0; c < len; c++)
{
int i = off + c;
b = name[i];
if (b == 0x00)
break;
char ch = '\0';
switch (b)
if (singleByteChar)
{
case 0x86: inShortMode = true; break;
case 0x87: inShortMode = false; break;
case 0x8a: ch = '\n'; break;
default:
// read as many bytes as necessary to get a character
char[] charArray = new char[1];
fixed (char* pCh = charArray)
{
byte* start = name + i;
for (int j = 1; i < len && decoder.GetChars(start, j, pCh, 1, true) == 0; ++j)
++i;
}
ch = charArray[0];
break;
switch (b)
{
case 0x86: inShortMode = true; continue;
case 0x87: inShortMode = false; continue;
case 0x8a: ch = '\n'; break;
default:
if (b >= 0x80 && b <= 0x9f) // DVB-S control characters
continue;
break;
}
}
if (ch == '\0')
{
// read as many bytes as necessary to get a character
char[] charArray = new char[1];
for (int byteCnt = 1; decoder.GetChars(name, i, byteCnt, charArray, 0) == 0; byteCnt++)
++i;
ch = charArray[0];
}
if (ch == '\0')
continue;