You've already forked linux-packaging-mono
Imported Upstream version 5.10.1.45
Former-commit-id: 5a6587645d20e0f884cc3d4f5cb9477960bbf9b4
This commit is contained in:
parent
62bc2913ba
commit
56d215b911
@@ -32,7 +32,8 @@ using System.IO;
|
||||
using System.Text;
|
||||
namespace System {
|
||||
// This class reads data from a byte array or file containing the terminfo capabilities
|
||||
// information for any given terminal. The maximum allowed size is 4096 bytes.
|
||||
// information for any given terminal. The maximum allowed size is 4096 (or
|
||||
// 32768 for terminfo2) bytes.
|
||||
//
|
||||
// Terminfo database files are divided in the following sections:
|
||||
//
|
||||
@@ -45,7 +46,7 @@ namespace System {
|
||||
//
|
||||
// The header is as follows:
|
||||
//
|
||||
// Magic number (0x1 and 0x1A)
|
||||
// Magic number (0x11A/0432 or 0x21e/01036 for terminfo2)
|
||||
// Terminal names size
|
||||
// Boolean section size
|
||||
// Numeric section size
|
||||
@@ -58,8 +59,9 @@ namespace System {
|
||||
// The boolean capabilities section has bytes that are set to 1 if the capability is supported
|
||||
// and 0 otherwise. If the index of a capability is greater than the section size, 0 is assumed.
|
||||
//
|
||||
// The numeric capabilities section holds 2-byte integers in little endian format. No negative
|
||||
// values are allowed and the absence of a capability is marked as two 0xFF.
|
||||
// The numeric capabilities section holds 2-byte integers (4-byte integers for terminfo2) in
|
||||
// little endian format. No negative values are allowed and the absence of a capability is marked
|
||||
// as two 0xFF (four 0xFF for terminfo2).
|
||||
//
|
||||
// The string offsets section contains 2-byte integer offsets into the string capabilies section.
|
||||
// If the capability is not supported, the index will be two 0xFF bytes.
|
||||
@@ -72,17 +74,17 @@ namespace System {
|
||||
//
|
||||
|
||||
class TermInfoReader {
|
||||
//short nameSize;
|
||||
short boolSize;
|
||||
short numSize;
|
||||
short strOffsets;
|
||||
//short strSize;
|
||||
int boolSize;
|
||||
int numSize;
|
||||
int strOffsets;
|
||||
|
||||
//string [] names; // Last one is the description
|
||||
byte [] buffer;
|
||||
int booleansOffset;
|
||||
//string term;
|
||||
|
||||
int intOffset;
|
||||
|
||||
public TermInfoReader (string term, string filename)
|
||||
{
|
||||
using (FileStream st = File.OpenRead (filename)) {
|
||||
@@ -114,12 +116,21 @@ namespace System {
|
||||
// get { return term; }
|
||||
// }
|
||||
|
||||
void DetermineVersion (short magic)
|
||||
{
|
||||
if (magic == 0x11a)
|
||||
intOffset = 2;
|
||||
else if (magic == 0x21e)
|
||||
intOffset = 4;
|
||||
else
|
||||
throw new Exception (String.Format ("Magic number is unexpected: {0}", magic));
|
||||
}
|
||||
|
||||
void ReadHeader (byte [] buffer, ref int position)
|
||||
{
|
||||
short magic = GetInt16 (buffer, position);
|
||||
position += 2;
|
||||
if (magic != 282)
|
||||
throw new Exception (String.Format ("Magic number is wrong: {0}", magic));
|
||||
DetermineVersion (magic);
|
||||
|
||||
/*nameSize =*/ GetInt16 (buffer, position);
|
||||
position += 2;
|
||||
@@ -161,8 +172,8 @@ namespace System {
|
||||
if ((offset % 2) == 1)
|
||||
offset++;
|
||||
|
||||
offset += ((int) number) * 2;
|
||||
return GetInt16 (buffer, offset);
|
||||
offset += ((int) number) * intOffset;
|
||||
return GetInteger (buffer, offset);
|
||||
}
|
||||
|
||||
public string Get (TermInfoStrings tstr)
|
||||
@@ -175,7 +186,7 @@ namespace System {
|
||||
if ((offset % 2) == 1)
|
||||
offset++;
|
||||
|
||||
offset += numSize * 2;
|
||||
offset += numSize * intOffset;
|
||||
int off2 = GetInt16 (buffer, offset + (int) tstr * 2);
|
||||
if (off2 == -1)
|
||||
return null;
|
||||
@@ -193,7 +204,7 @@ namespace System {
|
||||
if ((offset % 2) == 1)
|
||||
offset++;
|
||||
|
||||
offset += numSize * 2;
|
||||
offset += numSize * intOffset;
|
||||
int off2 = GetInt16 (buffer, offset + (int) tstr * 2);
|
||||
if (off2 == -1)
|
||||
return null;
|
||||
@@ -211,6 +222,27 @@ namespace System {
|
||||
return (short) (uno + dos * 256);
|
||||
}
|
||||
|
||||
int GetInt32 (byte [] buffer, int offset)
|
||||
{
|
||||
int b1 = (int) buffer [offset];
|
||||
int b2 = (int) buffer [offset + 1];
|
||||
int b3 = (int) buffer [offset + 2];
|
||||
int b4 = (int) buffer [offset + 3];
|
||||
if (b1 == 255 && b2 == 255 && b3 == 255 && b4 == 255)
|
||||
return -1;
|
||||
|
||||
return b1 + b2 << 8 + b3 << 16 + b4 << 24;
|
||||
}
|
||||
|
||||
int GetInteger (byte [] buffer, int offset)
|
||||
{
|
||||
if (intOffset == 2)
|
||||
return GetInt16 (buffer, offset);
|
||||
else
|
||||
// intOffset == 4
|
||||
return GetInt32 (buffer, offset);
|
||||
}
|
||||
|
||||
string GetString (byte [] buffer, int offset)
|
||||
{
|
||||
int length = 0;
|
||||
|
Reference in New Issue
Block a user