public HeaderHunk ParseHeader(Action <Hunk> h)
{
var hunk = new HeaderHunk();
h(hunk);
var names = new List <string>();
hunk.HunkNames = names;
while (true)
{
var t = this.ReadString();
if (t == null)
{
throw new BadImageFormatException("Error parsing header hunk names.");
}
else if (t.Length == 0)
{
break;
}
names.Add(t);
}
// Table size and hunk range
var table_size = f.ReadBeInt32();
var first_hunk = f.ReadBeInt32();
var last_hunk = f.ReadBeInt32();
if (table_size < 0 || first_hunk < 0 || last_hunk < 0)
{
throw new BadImageFormatException("Invalid header hunk.");
}
hunk.table_size = table_size;
hunk.FirstHunkId = first_hunk;
hunk.LastHunkId = last_hunk;
// Determine number of hunks in size table
int num_hunks = last_hunk - first_hunk + 1;
var hunkInfos = new List <HunkInfo>();
for (int a = 0; a < num_hunks; ++a)
{
var hunk_info = new HunkInfo();
int hunk_size = this.read_long();
hunk_size &= 0x3FFFFFFF; // Top 2 bits not handled yet.
if (hunk_size < 0)
{
throw new BadImageFormatException("Head hunk contains invalid hunk_size.");
}
int hunk_bytes = (hunk_size & ~Hunk.HUNKF_ALL) * 4;
hunk_info.Size = hunk_bytes;
hunk_info.Flags = this.SetMemoryFlags(hunk_size & Hunk.HUNKF_ALL, 30);
hunkInfos.Add(hunk_info);
}
hunk.HunkInfos = hunkInfos;
return(hunk);
}
public HeaderHunk ParseHeader(Action<Hunk> h)
{
var hunk = new HeaderHunk();
h(hunk);
var names = new List<string>();
hunk.HunkNames = names;
while (true)
{
var t = this.ReadString();
if (t == null)
throw new BadImageFormatException("Error parsing header hunk names.");
else if (t.Length == 0)
{
break;
}
names.Add(t);
}
// Table size and hunk range
var table_size = f.ReadBeInt32();
var first_hunk = f.ReadBeInt32();
var last_hunk = f.ReadBeInt32();
if (table_size < 0 || first_hunk < 0 || last_hunk < 0)
throw new BadImageFormatException("Invalid header hunk.");
hunk.table_size = table_size;
hunk.FirstHunkId = first_hunk;
hunk.LastHunkId = last_hunk;
// Determine number of hunks in size table
int num_hunks = last_hunk - first_hunk + 1;
var hunkInfos = new List<HunkInfo>();
for (int a = 0; a < num_hunks; ++a)
{
var hunk_info = new HunkInfo();
int hunk_size = this.read_long();
hunk_size &= 0x3FFFFFFF; // Top 2 bits not handled yet.
if (hunk_size < 0)
throw new BadImageFormatException("Head hunk contains invalid hunk_size.");
int hunk_bytes = (hunk_size & ~Hunk.HUNKF_ALL) * 4;
hunk_info.Size = hunk_bytes;
hunk_info.Flags = this.SetMemoryFlags(hunk_size & Hunk.HUNKF_ALL, 30);
hunkInfos.Add(hunk_info);
}
hunk.HunkInfos = hunkInfos;
return hunk;
}
