/// <summary>
/// Initializes a new instance of a FixedLengthParserOptions.
/// </summary>
public FixedLengthOptions()
{
FillCharacter = ' ';
alignment = FixedAlignment.LeftAligned;
HasRecordSeparator = true;
truncationPolicy = OverflowTruncationPolicy.TruncateLeading;
}
/// <summary>
/// Initializes a new instance of a Window.
/// </summary>
/// <param name="width">The maximum possible width of the column.</param>
public Window(int width)
{
if (width < 0)
{
throw new ArgumentOutOfRangeException("width", width, SharedResources.InvalidColumnWidth);
}
this.width = width;
this.alignment = FixedAlignment.LeftAligned;
}
/// <summary>
/// Initializes a new instance of a Window.
/// </summary>
/// <param name="width">The maximum possible width of the column.</param>
public Window(int width)
{
if (width < 0)
{
throw new ArgumentOutOfRangeException("width", width, Resources.InvalidColumnWidth);
}
this.width = width;
this.alignment = FixedAlignment.LeftAligned;
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="length"></param>
/// <param name="alignment"></param>
/// <param name="padding"></param>
/// <returns></returns>
public static byte[] GetFixedBytes(string str, int length, FixedAlignment alignment, byte padding)
{
var bytes = Instance.GetBytes(str);
if (bytes.Length == length)
{
return bytes;
}
if (bytes.Length > length)
{
// 切り捨て
var newBytes = new byte[length];
if (((bytes[length - 1] >= 0x81) && (bytes[length - 1] <= 0x9f)) ||
((bytes[length - 1] >= 0xe0) && (bytes[length - 1] <= 0xfc)))
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, length - 1);
newBytes[length - 1] = padding;
}
else
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, length);
}
return newBytes;
}
else
{
// パディング
var newBytes = new byte[length];
if (alignment == FixedAlignment.Left)
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, bytes.Length);
for (var i = bytes.Length; i < length; i++)
{
newBytes[i] = padding;
}
}
else if (alignment == FixedAlignment.Right)
{
var i = 0;
for (; i < length - bytes.Length; i++)
{
newBytes[i] = padding;
}
Buffer.BlockCopy(bytes, 0, newBytes, i, bytes.Length);
}
else
{
var i = 0;
for (; i < (length - bytes.Length) / 2; i++)
{
newBytes[i] = padding;
}
Buffer.BlockCopy(bytes, 0, newBytes, i, bytes.Length);
for (i = i + bytes.Length; i < length; i++)
{
newBytes[i] = padding;
}
}
return newBytes;
}
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="length"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public static byte[] GetFixedBytes(string str, int length, FixedAlignment alignment)
{
return GetFixedBytes(str, length, alignment, 0x20);
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="length"></param>
/// <param name="alignment"></param>
/// <param name="padding"></param>
/// <returns></returns>
public static byte[] GetFixedBytes(string str, int length, FixedAlignment alignment, byte padding)
{
var bytes = Instance.GetBytes(str);
if (bytes.Length == length)
{
return(bytes);
}
if (bytes.Length > length)
{
// 切り捨て
var newBytes = new byte[length];
if (((bytes[length - 1] >= 0x81) && (bytes[length - 1] <= 0x9f)) ||
((bytes[length - 1] >= 0xe0) && (bytes[length - 1] <= 0xfc)))
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, length - 1);
newBytes[length - 1] = padding;
}
else
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, length);
}
return(newBytes);
}
else
{
// パディング
var newBytes = new byte[length];
if (alignment == FixedAlignment.Left)
{
Buffer.BlockCopy(bytes, 0, newBytes, 0, bytes.Length);
for (var i = bytes.Length; i < length; i++)
{
newBytes[i] = padding;
}
}
else if (alignment == FixedAlignment.Right)
{
var i = 0;
for (; i < length - bytes.Length; i++)
{
newBytes[i] = padding;
}
Buffer.BlockCopy(bytes, 0, newBytes, i, bytes.Length);
}
else
{
var i = 0;
for (; i < (length - bytes.Length) / 2; i++)
{
newBytes[i] = padding;
}
Buffer.BlockCopy(bytes, 0, newBytes, i, bytes.Length);
for (i = i + bytes.Length; i < length; i++)
{
newBytes[i] = padding;
}
}
return(newBytes);
}
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="length"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public static byte[] GetFixedBytes(string str, int length, FixedAlignment alignment)
{
return(GetFixedBytes(str, length, alignment, 0x20));
}
