ByteCodeReader/ByteCodeReader/ConstantData/ConstantCell.cs at master · DKorablin/ByteCodeReader · GitHub

History

62 lines (58 loc) · 1.72 KB

Raw

using System;

using System.Diagnostics;

namespace AlphaOmega.Debug.ConstantData

{

/// <summary>Generic constant cell reader</summary>

[DebuggerDisplay("Column={Column.Name} Value={Value}")]

public class ConstantCell : Cell<Jvm.CONSTANT>

{

private readonly ConstantColumnType _columnType;

/// <summary>Size in bytes of the column</summary>

public UInt32 Size

{

get

{

switch(this._columnType)

{

case ConstantColumnType.Byte:

return sizeof(Byte);

case ConstantColumnType.UInt16:

return sizeof(UInt16);

case ConstantColumnType.UInt32:

return sizeof(UInt32);

case ConstantColumnType.Utf8String:

return sizeof(UInt16) + this.RawValue;//Here is the length of a column is stored

default:

throw new NotImplementedException();

}

internal ConstantCell(ClassFile file, ConstantColumn column, UInt32 offset)

: base(column)

{

this._columnType = column.ColumnType;

switch(this._columnType)

{

case ConstantColumnType.Byte:

this.RawValue = file.ReadBytes(offset, 1)[0];

this.Value = (Byte)this.RawValue;

break;

case ConstantColumnType.UInt16:

this.RawValue = file.PtrToStructure<UInt16>(offset);

this.Value = (UInt16)this.RawValue;

break;

case ConstantColumnType.UInt32:

this.RawValue = file.PtrToStructure<UInt32>(offset);

this.Value = this.RawValue;

break;

case ConstantColumnType.Utf8String:

this.RawValue = file.PtrToStructure<UInt16>(offset);

Byte[] bytes = file.ReadBytes(offset + sizeof(UInt16), this.RawValue);

this.Value = System.Text.Encoding.UTF8.GetString(bytes);

break;

default:

throw new NotImplementedException();

}

ByteCodeReader/ByteCodeReader/ConstantData/ConstantCell.cs at master · DKorablin/ByteCodeReader · GitHub

Expand file tree

Breadcrumbs

ConstantCell.cs

Latest commit

History

Breadcrumbs

ConstantCell.cs

File metadata and controls