void WriteWithoutExtract(TextWriter writer, int indent)
{
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("static ");
writer.Write(_sizeStrategy.Keyword);
writer.Write("[] Expand(");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[] collapsed)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("int i = 0;");
WriteCore(writer, indent + 1, "collapsed[i++]", "i < collapsed.Length");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('}');
}
void WriteWithExtract(TextWriter writer, int indent)
{
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("static ");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[] Expand(string resourceName)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("using (System.IO.Stream stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("using (System.IO.BinaryReader reader = new System.IO.BinaryReader(stream))");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("{");
WriteCore(writer, indent + 2, "reader." + _sizeStrategy.BinaryReaderMember + "()", "stream.Position < stream.Length");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('}');
}
void WriteWithoutExtract(TextWriter writer, int indent)
{
const string readLine = "tmp = collapsed[read++];";
const string notDoneCheck = "read < collapsed.Length";
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("static ");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[] Expand(byte[] collapsed)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("int read = 0;");
writer.WriteLine();
WriteCore(writer, indent + 1, readLine, notDoneCheck);
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("return result;");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("}");
}
void WriteWithExtract(TextWriter writer, int indent)
{
const string readLine = "tmp = unchecked((byte)stream.ReadByte());";
const string notDoneCheck = "stream.Position < stream.Length";
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("static ");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[] Expand(string resourceName)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("using (System.IO.Stream stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("{");
WriteCore(writer, indent + 2, readLine, notDoneCheck);
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("return result;");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("}");
}
void WriteCore(TextWriter writer, int indent, string readValue, string notDoneCheck)
{
CodeGenHelper.WriteIndent(writer, indent);
writer.Write(_sizeStrategy.Keyword);
writer.Write("[] result = new ");
writer.Write(_sizeStrategy.Keyword);
writer.Write('[');
writer.Write(readValue);
writer.WriteLine("];");
CodeGenHelper.WriteIndent(writer, indent);
writer.Write(_sizeStrategy.Keyword);
writer.Write(" escape = ");
writer.Write(readValue);
writer.WriteLine(";");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("int w = 0;");
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("while (");
writer.Write(notDoneCheck);
writer.WriteLine(")");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.Write(_sizeStrategy.Keyword);
writer.Write(" value = ");
writer.Write(readValue);
writer.WriteLine(";");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("if (value == escape)");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.Write(_sizeStrategy.Keyword);
writer.Write(" count = ");
writer.Write(readValue);
writer.WriteLine(";");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.Write("value = ");
writer.Write(readValue);
writer.WriteLine(";");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while (count > 0)");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("result[w++] = value;");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("count--;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine('}');
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('}');
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("else");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("result[w++] = value;");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('}');
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine('}');
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("return result;");
}
void WriteCore(TextWriter writer, int indent, string readLine, string notDoneCheck)
{
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("const byte FOLLOW = 0x80;");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("const byte REPEAT = 0x40;");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("const byte FIRSTBODY = 0x3F;");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("const byte SUBBODY = 0x7F;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("int value;");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("byte tmp;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("value = tmp & FIRSTBODY;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("while ((tmp & FOLLOW) != 0)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("value = (value << 7) | (tmp & SUBBODY);");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("}");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("int write = 0;");
CodeGenHelper.WriteIndent(writer, indent);
writer.Write(_sizeStrategy.Keyword);
writer.Write("[] result = new ");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[value];");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("while (");
writer.Write(notDoneCheck);
writer.WriteLine(")");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("if ((tmp & REPEAT) == 0)");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("value = tmp & FIRSTBODY;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while ((tmp & FOLLOW) != 0)");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("value = (value << 7) | (tmp & SUBBODY);");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("}");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.Write("result[write++] = unchecked((");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine(")value);");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("else");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int count = tmp & FIRSTBODY;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while ((tmp & FOLLOW) != 0)");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("count = (count << 7) | (tmp & SUBBODY);");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("}");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("value = tmp & FIRSTBODY;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while ((tmp & FOLLOW) != 0)");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine(readLine);
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("value = (value << 7) | (tmp & SUBBODY);");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("}");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while (count > 0)");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.Write("result[write++] = unchecked((");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine(")value);");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("count--;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("}");
}
public override void Write(TextWriter writer, int indent)
{
CodeGenHelper.WriteIndent(writer, indent);
writer.Write("static ");
writer.Write(_sizeStrategy.Keyword);
writer.WriteLine("[] Extract(string resourceName)");
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine("using (System.IO.Stream stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))");
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('{');
if (_sizeStrategy == U8SizeStrategy.Instance)
{
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("byte[] result = new byte[stream.Length];");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int offset = 0;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int read;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("do");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine('{');
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("read = stream.Read(result, offset, result.Length - offset);");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("offset += read;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine('}');
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while (offset < result.Length && read > 0);");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("return result;");
}
else
{
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int len = (int)stream.Length;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.Write(_sizeStrategy.Keyword);
writer.Write("[] result = new ");
writer.Write(_sizeStrategy.Keyword);
writer.Write("[len >> ");
writer.Write(MeasureShift(_sizeStrategy.Size(1)));
writer.WriteLine("];");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("byte[] buffer = new byte[Math.Min(stream.Length, 512)];");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int offset = 0;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("int read;");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("do");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("{");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("read = stream.Read(buffer, 0, buffer.Length);");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("Buffer.BlockCopy(buffer, 0, result, offset, read);");
CodeGenHelper.WriteIndent(writer, indent + 3);
writer.WriteLine("offset += read;");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("}");
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("while (offset < len && read > 0);");
writer.WriteLine();
CodeGenHelper.WriteIndent(writer, indent + 2);
writer.WriteLine("return result;");
}
CodeGenHelper.WriteIndent(writer, indent + 1);
writer.WriteLine('}');
CodeGenHelper.WriteIndent(writer, indent);
writer.WriteLine("}");
}
