/// <summary>
/// Converts from the specified encoding to a base 64 string
/// </summary>
/// <param name="Input">Input string</param>
/// <param name="Options">Base 64 formatting options</param>
/// <param name="OriginalEncodingUsing">
/// The type of encoding the string is using (defaults to UTF8)
/// </param>
/// <returns>Bas64 string</returns>
public static string ToString(this string Input, Base64FormattingOptions Options, Encoding OriginalEncodingUsing = null)
{
if (string.IsNullOrEmpty(Input))
return "";
var TempArray = OriginalEncodingUsing.Check(new UTF8Encoding()).GetBytes(Input);
return Convert.ToBase64String(TempArray, Options);
}
/// <summary>
/// Create a Base64String from the Surface by saving it to a memory stream and converting it.
/// Should be avoided if possible, as this uses a lot of memory.
/// </summary>
/// <returns>string</returns>
public string ToBase64String(Base64FormattingOptions formattingOptions)
{
using (MemoryStream stream = new MemoryStream()) {
ImageOutput.SaveToStream(_surface, stream, _outputSettings);
return(Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length, formattingOptions));
}
}
/// <summary>
/// Converts a subset of an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64 digits. Parameters specify the subset as an offset in the input array, the number of elements in the array to convert, and whether to insert line breaks in the return value.
/// </summary>
/// <param name="inArray">An array of 8-bit unsigned integers. </param>
/// <param name="offset">An offset in <paramref name="inArray"/>.</param>
/// <param name="length">The number of elements of <paramref name="inArray"/> to convert.</param>
/// <param name="options">cref="System.InsertLineBreaks" to insert a line break every 76 characters, or None to not insert line breaks.</param>
/// <returns>The string representation in base 64 of <paramref name="length"/> elements of <paramref name="inArray"/>, starting at position <paramref name="offset"/>.</returns>
public static string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
//Do data verfication
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one
if (inArray == null)
{
throw new ArgumentNullException();
}
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one
if (length < 0)
{
throw new ArgumentOutOfRangeException();
}
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one
if (offset < 0)
{
throw new ArgumentOutOfRangeException();
}
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
{
throw new ArgumentException();
}
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one
return(ToBase64String(inArray, offset, length, options == Base64FormattingOptions.InsertLineBreaks));
}
public static Span <char> ToBase64Chars(ReadOnlySpan <byte> bytes,
Span <char> chars,
Base64FormattingOptions options = Base64FormattingOptions.None)
{
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
{
throw new ArgumentException(string.Format(_illegalEnumValue, (int)options), nameof(options));
}
if (bytes.Length == 0)
{
return(Span <char> .Empty);
}
var charLengthRequired = ToBase64_CalculateAndValidateOutputLength(bytes.Length, options);
if (charLengthRequired > chars.Length)
{
throw new ArgumentException("insufficient memory", nameof(bytes)); // TODO: Exception message
}
var charsWritten = ConvertToBase64Array(chars, bytes, 0, bytes.Length, options);
return(chars.Slice(start: 0, length: charsWritten));
}
public static string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
var s64 = Convert.ToBase64String(inArray, offset, length);
if (options == Base64FormattingOptions.None)
{
return(s64);
}
length = s64.Length;
var sb = new StringBuilder();
int remainder = length % MaxBytesPerLine;
int full = length / MaxBytesPerLine;
offset = 0;
for (int i = 0; i < full; i++)
{
sb.AppendLine(s64.Substring(offset, MaxBytesPerLine));
offset += MaxBytesPerLine;
} // we never complete (i.e. the last line) with a new line
if (remainder == 0)
{
int nll = CrestronEnvironment.NewLine.Length;
sb.Remove(sb.Length - nll, nll);
}
else
{
sb.Append(s64.Substring(offset));
}
return(sb.ToString());
}
/// <summary>
/// Create a Base64String from the image by saving it to a memory stream and converting it.
/// Should be avoided if possible, as this uses a lot of memory.
/// </summary>
/// <returns>string</returns>
public string ToBase64String(Base64FormattingOptions formattingOptions)
{
using (MemoryStream stream = new MemoryStream()) {
ImageOutput.SaveToStream(bitmap, null, stream, outputSettings);
return(System.Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length, formattingOptions));
}
}
private static int ConvertToBase64Array(
Span <char> chars, ReadOnlySpan <byte> bytes, int offset, int length, Base64FormattingOptions options)
{
var insertLineBreaks = (options & Base64FormattingOptions.InsertLineBreaks) != 0;
var lengthmod3 = length % 3;
var calcLength = offset + (length - lengthmod3);
var j = 0;
var charcount = 0;
//Convert three bytes at a time to base64 notation. This will consume 4 chars.
int i;
for (i = offset; i < calcLength; i += 3)
{
if (insertLineBreaks)
{
if (charcount == _base64LineBreakPosition)
{
chars[j++] = '\r';
chars[j++] = '\n';
charcount = 0;
}
charcount += 4;
}
chars[j] = _base64Table[(bytes[i] & 0xfc) >> 2];
chars[j + 1] = _base64Table[((bytes[i] & 0x03) << 4) | ((bytes[i + 1] & 0xf0) >> 4)];
chars[j + 2] = _base64Table[((bytes[i + 1] & 0x0f) << 2) | ((bytes[i + 2] & 0xc0) >> 6)];
chars[j + 3] = _base64Table[bytes[i + 2] & 0x3f];
j += 4;
}
//Where we left off before
i = calcLength;
if (insertLineBreaks && lengthmod3 != 0 && charcount == _base64LineBreakPosition)
{
chars[j++] = '\r';
chars[j++] = '\n';
}
switch (lengthmod3)
{
case 2: //One character padding needed
chars[j] = _base64Table[(bytes[i] & 0xfc) >> 2];
chars[j + 1] = _base64Table[((bytes[i] & 0x03) << 4) | ((bytes[i + 1] & 0xf0) >> 4)];
chars[j + 2] = _base64Table[(bytes[i + 1] & 0x0f) << 2];
chars[j + 3] = _base64Table[64]; //Pad
j += 4;
break;
case 1: // Two character padding needed
chars[j] = _base64Table[(bytes[i] & 0xfc) >> 2];
chars[j + 1] = _base64Table[(bytes[i] & 0x03) << 4];
chars[j + 2] = _base64Table[64]; //Pad
chars[j + 3] = _base64Table[64]; //Pad
j += 4;
break;
}
return(j);
}
public static bool TryToBase64Chars(ReadOnlySpan <byte> bytes,
Span <char> chars,
out int charsWritten,
Base64FormattingOptions options = Base64FormattingOptions.None)
{
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
{
throw new ArgumentException(string.Format(_illegalEnumValue, (int)options), nameof(options));
}
if (bytes.Length == 0)
{
charsWritten = 0;
return(true);
}
var charLengthRequired = ToBase64_CalculateAndValidateOutputLength(bytes.Length, options);
if (charLengthRequired > chars.Length)
{
charsWritten = 0;
return(false);
}
charsWritten = ConvertToBase64Array(chars, bytes, 0, bytes.Length, options);
return(true);
}
/// <summary>
/// Encrypt a given string using specific password and salt values
/// </summary>
/// <param name="value">string to encrypt</param>
/// <param name="password"></param>
/// <param name="salt"></param>
/// <param name="base64Options">whether or not line breaks are added to the resulting Base64 result.</param>
/// <returns>string containing protected content</returns>
public string Encrypt(string value, string password, string salt, Base64FormattingOptions base64Options)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (string.IsNullOrEmpty(password))
{
throw new ArgumentException("password can not be blank");
}
if (string.IsNullOrEmpty(salt))
{
throw new ArgumentException("salt can not be blank");
}
DeriveBytes rgb = new Rfc2898DeriveBytes(password, Encoding.Unicode.GetBytes(salt));
byte[] rgbKey = rgb.GetBytes(this.CryptoAlgorithm.KeySize >> 3);
byte[] rgbIV = rgb.GetBytes(this.CryptoAlgorithm.BlockSize >> 3);
ICryptoTransform transform = this.CryptoAlgorithm.CreateEncryptor(rgbKey, rgbIV);
using (MemoryStream buffer = new MemoryStream())
{
using (CryptoStream stream = new CryptoStream(buffer, transform, CryptoStreamMode.Write))
{
using (StreamWriter writer = new StreamWriter(stream, Encoding.Unicode))
{
writer.Write(value);
}
}
return(Convert.ToBase64String(buffer.ToArray(), base64Options));
}
}
public string ConvertToString(int startIndex, bool createBase64String, Base64FormattingOptions base64FormattingOption = Base64FormattingOptions.None)
{
var retVal = createBase64String ? Convert.ToBase64String(_lastComputedHash, startIndex, _lastComputedHash.Length, base64FormattingOption) : BitConverter.ToString(_lastComputedHash);
OnStringGenerated(retVal);
return(retVal);
}
public static String ToBase64(this Object input, Base64FormattingOptions base64FormattingOptions = Base64FormattingOptions.None)
{
if (input == null)
{
return(String.Empty);
}
Type type = input.GetType();
// typeof(TObject);
// Add support for Nullable types
if (type.IsNullable())
{
type = type.GetGenericArguments()[0];
}
MethodInfo methodInfo;
// Throw in a little static reflection caching
if (!ParserUtilities._byteArrayMap.TryGetValue(type, out methodInfo))
{
// Attempt to find inbuilt ToByteArray methods
methodInfo = type.GetMethod("ToByteArray", new Type[] { });
// Null the mapping if the return type is wrong
if ((methodInfo == null) || (methodInfo.ReturnType != typeof(Byte[])))
{
ParserUtilities._byteArrayMap[type] = null;
}
else
{
ParserUtilities._byteArrayMap[type] = methodInfo;
}
}
// Then use the inbuilt methods
if (methodInfo != null)
{
return(Convert.ToBase64String((Byte[])methodInfo.Invoke(input, null), base64FormattingOptions));
}
// Throw in a little static reflection caching
if (!ParserUtilities._parserMap.TryGetValue(type, out methodInfo))
{
// Attempt to find inbuilt parsing methods
methodInfo = type.GetMethod("Parse", new Type[] { typeof(String) });
ParserUtilities._parserMap[type] = methodInfo;
}
// If there's inbuilt parsing methods, assume there is a useful ToString method
if (methodInfo != null)
{
return(Convert.ToBase64String(Encoding.UTF8.GetBytes(input.ToString()), base64FormattingOptions));
}
return(BinaryUtilities.ToBinary(input, base64FormattingOptions));
}
/// <summary>
/// Returns the base64-encoded representation of the string
/// </summary>
/// <param name="options"></param>
/// <returns>A new string representing the base64-encoded value of the string</returns>
public static string ToBase64String(this string value, Base64FormattingOptions options = Base64FormattingOptions.None)
{
if (string.IsNullOrEmpty(value))
{
return(value);
}
return(Convert.ToBase64String(Encoding.ASCII.GetBytes(value), options));
}
/// <summary>
/// 字符串转换为Base64字符串
/// </summary>
/// <param name="bytes">字节数组</param>
/// <param name="base64FormattingOptions">base64格式</param>
/// <param name="startIndex">起始索引</param>
/// <param name="length">字节长度</param>
/// <returns>Base64字符串</returns>
public static string ToBase64String(this byte[] bytes,
Base64FormattingOptions base64FormattingOptions = Base64FormattingOptions.None, int?startIndex = null,
int?length = null)
{
return(bytes == null
? null
: Convert.ToBase64String(GetRealBytes(bytes, startIndex, length), base64FormattingOptions));
}
public string ToBase64(byte[] content, int offset = 0, int?length = null, Base64FormattingOptions formattingOptions = Base64FormattingOptions.None)
{
if (!length.HasValue)
{
length = content.Length - offset;
}
return(Convert.ToBase64String(content, offset, length.Value, formattingOptions));
}
/// <summary>
/// Converts a byte array into a base 64 string
/// </summary>
/// <param name="Input">Input array</param>
/// <param name="Count">Number of bytes starting at the index to convert (use -1 for the entire array starting at the index)</param>
/// <param name="Index">Index to start at</param>
/// <param name="Options">Base 64 formatting options</param>
/// <returns>The equivalent byte array in a base 64 string</returns>
public static string ToString(this byte[] Input, Base64FormattingOptions Options, int Index = 0, int Count = -1)
{
if (Count == -1)
{
Count = Input.Length - Index;
}
return(Input == null ? "" : Convert.ToBase64String(Input, Index, Count, Options));
}
/// <summary>
/// <see cref="Byte"/> 배열을 Base64 인코딩으로 변환합니다.
/// </summary>
/// <param name="bytes">><see cref="Byte"/> 배열입니다.</param>
/// <param name="option">인코딩 옵션을 <see cref="Base64FormattingOptions"/> 객체에 설정합니다.</param>
/// <returns>Base64 인코딩된 문자열 입니다.</returns>
public static string ToBase64(this byte[] bytes, Base64FormattingOptions option)
{
if (bytes == null)
{
return(null);
}
return(Convert.ToBase64String(bytes, option));
}
public GUI()
{
InitializeComponent();
modeIndex = 0;
comboBoxMode.SelectedIndex = modeIndex;
openFileDialogSource.Filter = "All files (*.*)|*.*";
comboBoxFormat.SelectedIndex = 0;
format = Base64FormattingOptions.InsertLineBreaks;
}
/// <summary>
/// Converts an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64 digits. A parameter specifies whether to insert line breaks in the return value.
/// </summary>
/// <param name="inArray">An array of 8-bit unsigned integers.</param>
/// <param name="options"><see cref="Base64FormattingOptions.InsertLineBreaks"/> to insert a line break every 76 characters, or None to not insert line breaks.</param>
/// <returns>The string representation in base 64 of the elements in <paramref name="inArray"/>.</returns>
public static String ToBase64String(byte[] inArray, Base64FormattingOptions options)
{
if (inArray == null)
{
throw new ArgumentNullException();
}
return(ToBase64String(inArray, 0, inArray.Length, options));
}
private HashUtilityConfig setOptions(AlgorithmOptions algorithmOption, EncodingOptions encodingOption, string hashName, Base64FormattingOptions base64FormattingOption, bool useBase64Encoding)
{
AlgorithmOption = algorithmOption;
EncodingOption = encodingOption;
HashName = hashName;
Base64FormattingOption = base64FormattingOption;
UseBase64Encoding = useBase64Encoding;
return(this);
}
/// <summary>
/// Converts a byte array into a base 64 string
/// </summary>
/// <param name="Input">Input array</param>
/// <param name="Count">
/// Number of bytes starting at the index to convert (use -1 for the entire array starting
/// at the index)
/// </param>
/// <param name="Index">Index to start at</param>
/// <param name="Options">Base 64 formatting options</param>
/// <returns>The equivalent byte array in a base 64 string</returns>
public static string ToString(this byte[] Input, Base64FormattingOptions Options, int Index = 0, int Count = -1)
{
Contract.Requires <ArgumentException>(Index >= 0, "Index");
if (Count == -1)
{
Count = Input.Length - Index;
}
return(Input == null ? "" : Convert.ToBase64String(Input, Index, Count, Options));
}
private void WriteByteList(List <byte> bytes, Base64FormattingOptions options)
{
byte[] array = bytes.ToArray();
bytes = null;
string base64 = Convert.ToBase64String(array, options);
array = null;
WriteObject(base64);
}
/// <summary>
/// Converts the current byte array to an equivalent array of a Unicode characters
/// encoded with base-64 digits. A parameter specify whether line breaks are inserted in
/// the output array.
/// </summary>
/// <param name="me">The current byte array.</param>
/// <param name="options">
/// <see cref="Base64FormattingOptions.InsertLineBreaks"/> to insert a line break every
/// 76 characters, or <see cref="Base64FormattingOptions.None"/> to not insert line breaks.
/// </param>
/// <returns>
/// A character array of Unicode characters that's equivalent to the current byte array
/// encoded with base-64 digits.
/// </returns>
public static char[] ToBase64CharArray(this byte[] me, Base64FormattingOptions options)
{
int length = me.Length;
char[] chars = new char[CalculateBase64Count(length)];
Convert.ToBase64CharArray(me, 0, length, chars, 0, options);
return(chars);
}
/// <summary>
/// Converts an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64 digits. A parameter specifies whether to insert line breaks in the return value.
/// </summary>
/// <param name="inArray">An array of 8-bit unsigned integers.</param>
/// <param name="options"><see cref="Base64FormattingOptions.InsertLineBreaks"/> to insert a line break every 76 characters, or None to not insert line breaks.</param>
/// <returns>The string representation in base 64 of the elements in <paramref name="inArray"/>.</returns>
public static String ToBase64String(byte[] inArray, Base64FormattingOptions options)
{
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one
if (inArray == null)
{
throw new ArgumentNullException();
}
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one
return(ToBase64String(inArray, 0, inArray.Length, options));
}
/// <summary>
/// Converts the <c>byte[]</c> parameter to base64 string.
/// </summary>
/// <param name="array">The array to be converted.</param>
/// <param name="options">The base64 conversion options.</param>
/// <returns>The base64 representation of the array.</returns>
/// <remarks>
/// Note that the returned string contains only the following characters: a-z, A-Z, 0-9, +, / and =.
/// If stored, for saving space, consider storing the result as an ASCII string instead of Unicode string.
/// </remarks>
public static string ToBase64String(
this byte[] array,
Base64FormattingOptions options = Base64FormattingOptions.None)
{
if (array == null)
{
throw new ArgumentNullException(nameof(array));
}
return(Convert.ToBase64String(array, options));
}
/// <summary>
/// 为指定字符串使用Base64编码加密
/// </summary>
/// <param name="eText">要加密的字符串</param>
/// <param name="IsBranch">如果为true，编码时每76个字符中插入分行符</param>
/// <returns></returns>
public static string EncrypBase64(string eText, bool IsBranch)
{
if (string.IsNullOrEmpty(eText))
{
throw new Exception("要加密的字符串不能为空!");
}
byte[] Arr = Encoding.Default.GetBytes(eText.Replace("+", "%2B"));
Base64FormattingOptions option = IsBranch ?
Base64FormattingOptions.InsertLineBreaks : Base64FormattingOptions.None;
return(Convert.ToBase64String(Arr, option));
}
private void comboBoxFormat_SelectedIndexChanged(object sender, EventArgs e)
{
switch (comboBoxFormat.SelectedIndex)
{
case 0:
format = Base64FormattingOptions.InsertLineBreaks;
break;
case 1:
format = Base64FormattingOptions.None;
break;
}
}
public static string GetString(Stream ms, Base64FormattingOptions breaks)
{
byte[] mem = new byte[ms.Length];
long pos = ms.Position; ms.Seek(0, SeekOrigin.Begin);
BinaryReader joe = new BinaryReader(ms);
joe.Read(mem, 0, (int)ms.Length);
string sam = Convert.ToBase64String(mem, breaks);
ms.Seek(pos, SeekOrigin.Begin);
joe = null; mem = null;
return(sam);
}
} /*}}}*/
public static string base64_encode(string rawData, Encoding rawEnc, Base64FormattingOptions option) /*{{{
*/
{
try
{
byte[] bData = rawEnc.GetBytes(rawData);
return(Convert.ToBase64String(bData, option));
}
catch
{
return("");
}
} /*}}}*/
/// <summary>
/// Base64编码(ReadOnlySpan<Byte> → String)
/// </summary>
/// <param name="inArray"></param>
/// <param name="options"></param>
/// <returns></returns>
public static string Base64Encode(this ReadOnlySpan <byte> inArray, Base64FormattingOptions options = Base64FormattingOptions.None)
{
switch (options)
{
case Base64FormattingOptions.InsertLineBreaks:
return(Convert.ToBase64String(inArray, Base64FormattingOptions.InsertLineBreaks));;
case Base64FormattingOptions.None:
return(Base64.Default.Encode(inArray));
default:
throw new ArgumentOutOfRangeException(nameof(options));
}
}
private static object BuildExpectedString(Base64FormattingOptions insertLineBreaks)
{
if (insertLineBreaks != Base64FormattingOptions.InsertLineBreaks)
{
return(base64TestEncode);
}
// get line break count (line break every 76 chars)
int lineBreakCount = base64TestEncode.Length / 76;
StringBuilder st = new StringBuilder();
int outputLength = base64TestEncode.Length;
int offset = 0;
for (int i = 0; i <= lineBreakCount; i++)
{
// how many chars to copy
int count;
if (outputLength > 76)
{
// first/next 76 chars
count = 76;
}
else
{
// last outputLength chars
count = outputLength;
}
// copy first/next count chars
// because we are using same offset for both arrays, we need to discount line break for tmp array
st.Append(base64TestEncode, offset, count);
// move offset for next copy
offset += count;
// remove copied chars from original output length if more than 76 chars still to be copied
if (outputLength >= 76)
{
// more chars
// adjust output length
outputLength -= 76;
// add line break
st.AppendLine();
}
}
return(st.ToString());
}
public virtual void GetStandardValues()
{
LexographicEnumConverter TestSubject = new LexographicEnumConverter(typeof(Base64FormattingOptions));
Base64FormattingOptions[] expected = new Base64FormattingOptions[]
{
Base64FormattingOptions.InsertLineBreaks,
Base64FormattingOptions.None
};
Base64FormattingOptions[] actual = new Base64FormattingOptions[2];
TestSubject.GetStandardValues().CopyTo(actual,0);
for (int i = 0; i < expected.Length; i++)
{
Assert.AreEqual(expected[i], actual[i]);
}
}
/// <summary>Converts the specified array to a Base64 string.</summary>
/// <param name="value">The array to convert.</param>
/// <param name="options">The <see cref="T:Base64FormattingOptions"/> to use.</param>
/// <returns>The converted string.</returns>
public static string ToDataString(this byte[] value, Base64FormattingOptions options)
{
return value.HasItems()
? Convert.ToBase64String(value, options)
: String.Empty;
}
/// <summary>
/// Converts a byte array into a base 64 string
/// </summary>
/// <param name="Input">Input array</param>
/// <param name="Count">
/// Number of bytes starting at the index to convert (use -1 for the entire array starting
/// at the index)
/// </param>
/// <param name="Index">Index to start at</param>
/// <param name="Options">Base 64 formatting options</param>
/// <returns>The equivalent byte array in a base 64 string</returns>
public static string ToString(this byte[] Input, Base64FormattingOptions Options, int Index = 0, int Count = -1)
{
Contract.Requires<ArgumentException>(Index >= 0, "Index");
if (Count == -1)
Count = Input.Length - Index;
return Input == null ? "" : Convert.ToBase64String(Input, Index, Count, Options);
}
/// <summary>
/// Create a Base64String from the Surface by saving it to a memory stream and converting it.
/// Should be avoided if possible, as this uses a lot of memory.
/// </summary>
/// <returns>string</returns>
public string ToBase64String(Base64FormattingOptions formattingOptions)
{
using (MemoryStream stream = new MemoryStream())
{
ImageOutput.SaveToStream(_surface, stream, _outputSettings);
return Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length, formattingOptions);
}
}
/// <summary>
/// Converts the route to IOF XML 3.0 binary format and returns it as a base64-encoded string.
/// </summary>
/// <param name="formattingOptions">The formatting options for the base64-encoded string.</param>
public string ToBase64String(Base64FormattingOptions formattingOptions = Base64FormattingOptions.None)
{
return Convert.ToBase64String(ToByteArray(), formattingOptions);
}
static string ToBase64 (int len, Base64FormattingOptions options)
{
return Convert.ToBase64String (new byte [len], options);
}
public unsafe static string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
if (inArray == null)
{
throw new ArgumentNullException("inArray");
}
if (length < 0)
{
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
}
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
{
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", new object[]
{
(int)options
}));
}
int num = inArray.Length;
if (offset > num - length)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
}
if (num == 0)
{
return string.Empty;
}
bool insertLineBreaks = options == Base64FormattingOptions.InsertLineBreaks;
int length2 = Convert.CalculateOutputLength(length, insertLineBreaks);
string text = string.FastAllocateString(length2);
fixed (char* outChars = text)
{
fixed (byte* ptr = inArray)
{
Convert.ConvertToBase64Array(outChars, ptr, offset, length, insertLineBreaks);
return text;
}
}
}
public static unsafe String ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options) {
//Do data verfication
if (inArray==null)
throw new ArgumentNullException("inArray");
if (length<0)
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
if (offset<0)
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)options));
Contract.Ensures(Contract.Result<string>() != null);
Contract.EndContractBlock();
int inArrayLength;
int stringLength;
inArrayLength = inArray.Length;
if (offset > (inArrayLength - length))
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
if (inArrayLength == 0)
return String.Empty;
bool insertLineBreaks = (options == Base64FormattingOptions.InsertLineBreaks);
//Create the new string. This is the maximally required length.
stringLength = ToBase64_CalculateAndValidateOutputLength(length, insertLineBreaks);
string returnString = string.FastAllocateString(stringLength);
fixed (char* outChars = returnString){
fixed (byte* inData = inArray) {
int j = ConvertToBase64Array(outChars,inData,offset,length, insertLineBreaks);
BCLDebug.Assert(returnString.Length == j, "returnString.Length == j");
return returnString;
}
}
}
public static unsafe string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
if (inArray == null)
{
throw new ArgumentNullException("inArray");
}
if (length < 0)
{
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
}
int num = inArray.Length;
if (offset > (num - length))
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
}
if ((options < Base64FormattingOptions.None) || (options > Base64FormattingOptions.InsertLineBreaks))
{
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", new object[] { (int) options }));
}
if (num == 0)
{
return string.Empty;
}
bool insertLineBreaks = options == Base64FormattingOptions.InsertLineBreaks;
int capacity = CalculateOutputLength(length, insertLineBreaks);
string stringForStringBuilder = string.GetStringForStringBuilder(string.Empty, capacity);
fixed (char* str3 = ((char*) stringForStringBuilder))
{
char* outChars = str3;
fixed (byte* numRef = inArray)
{
int newLength = ConvertToBase64Array(outChars, numRef, offset, length, insertLineBreaks);
stringForStringBuilder.SetLength(newLength);
return stringForStringBuilder;
}
}
}
public static string ToBase64String(byte[] inArray, Base64FormattingOptions options) {}
public static String Encode(IEnumerable<Byte> data, Base64FormattingOptions options)
{
return Convert.ToBase64String(data.ToArray(), options);
}
public static String Base64Encode(this IEnumerable<Byte> data, Base64FormattingOptions options)
{
return Encode(data, options);
}
public static int ToBase64CharArray(byte[] inArray, int offsetIn, int length,
char[] outArray, int offsetOut, Base64FormattingOptions options)
{
if (outArray == null)
throw new ArgumentNullException("outArray");
if (offsetOut < 0)
throw new ArgumentOutOfRangeException("offsetOut");
var encoded = ToBase64String(inArray, offsetIn, length);
encoded.CopyTo(0, outArray, offsetOut, encoded.Length);
return encoded.Length;
}
/// <summary>
/// Converts an array of 8-bit unsigned integers to its equivalent string representation that is encoded with
/// base-64 digits. A parameter specifies whether to insert line breaks in the return value.
/// </summary>
/// <param name="inArray">An array of 8-bit unsigned integers.</param>
/// <param name="options">to insert a line break every 76 characters, or to not insert line breaks.</param>
/// <returns>The string representation in base 64 of the elements in .</returns>
public static String ToBase64String(this Byte[] inArray, Base64FormattingOptions options)
{
return Convert.ToBase64String(inArray, options);
}
/// <summary>
/// Converts a subset of an array of 8-bit unsigned integers to its equivalent string representation that is
/// encoded with base-64 digits. Parameters specify the subset as an offset in the input array, the number of
/// elements in the array to convert, and whether to insert line breaks in the return value.
/// </summary>
/// <param name="inArray">An array of 8-bit unsigned integers.</param>
/// <param name="offset">An offset in .</param>
/// <param name="length">The number of elements of to convert.</param>
/// <param name="options">to insert a line break every 76 characters, or to not insert line breaks.</param>
/// <returns>The string representation in base 64 of elements of , starting at position .</returns>
public static String ToBase64String(this Byte[] inArray, Int32 offset, Int32 length, Base64FormattingOptions options)
{
return Convert.ToBase64String(inArray, offset, length, options);
}
public static string ToBase64String (byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
if (inArray == null)
throw new ArgumentNullException ("inArray");
if (offset < 0 || length < 0)
throw new ArgumentOutOfRangeException ("offset < 0 || length < 0");
// avoid integer overflow
if (offset > inArray.Length - length)
throw new ArgumentOutOfRangeException ("offset + length > array.Length");
if (length == 0)
return String.Empty;
if (options == Base64FormattingOptions.InsertLineBreaks)
return ToBase64StringBuilderWithLine (inArray, offset, length).ToString ();
else
return Encoding.ASCII.GetString (Base64Helper.TransformFinalBlock (inArray, offset, length));
}
public static String ToBase64String(byte[] inArray, Base64FormattingOptions options) {
if (inArray==null) {
throw new ArgumentNullException("inArray");
}
Contract.Ensures(Contract.Result<string>() != null);
Contract.EndContractBlock();
return ToBase64String(inArray, 0, inArray.Length, options);
}
public static string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
if (inArray == null)
throw new ArgumentNullException("inArray");
if (offset < 0 || length < 0)
throw new ArgumentOutOfRangeException("offset < 0 || length < 0");
// avoid integer overflow
if (offset > inArray.Length - length)
throw new ArgumentOutOfRangeException("offset + length > array.Length");
if (length == 0)
return String.Empty;
#if ANDROID_8P
return Base64.EncodeToString(inArray, offset, length, Base64.DEFAULT);
#else
throw new NotImplementedException("System.Convert.ToBase64String");
#endif
}
public static unsafe int ToBase64CharArray(byte[] inArray, int offsetIn, int length, char[] outArray, int offsetOut, Base64FormattingOptions options) {
//Do data verfication
if (inArray==null)
throw new ArgumentNullException("inArray");
if (outArray==null)
throw new ArgumentNullException("outArray");
if (length<0)
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
if (offsetIn<0)
throw new ArgumentOutOfRangeException("offsetIn", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
if (offsetOut<0)
throw new ArgumentOutOfRangeException("offsetOut", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
if( options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks) {
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)options));
}
Contract.Ensures(Contract.Result<int>() >= 0);
Contract.Ensures(Contract.Result<int>() <= outArray.Length);
Contract.EndContractBlock();
int retVal;
int inArrayLength;
int outArrayLength;
int numElementsToCopy;
inArrayLength = inArray.Length;
if (offsetIn > (int)(inArrayLength - length))
throw new ArgumentOutOfRangeException("offsetIn", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
if (inArrayLength == 0)
return 0;
bool insertLineBreaks = (options == Base64FormattingOptions.InsertLineBreaks);
//This is the maximally required length that must be available in the char array
outArrayLength = outArray.Length;
// Length of the char buffer required
numElementsToCopy = ToBase64_CalculateAndValidateOutputLength(length, insertLineBreaks);
if (offsetOut > (int)(outArrayLength - numElementsToCopy))
throw new ArgumentOutOfRangeException("offsetOut", Environment.GetResourceString("ArgumentOutOfRange_OffsetOut"));
fixed (char* outChars = &outArray[offsetOut]) {
fixed (byte* inData = inArray) {
retVal = ConvertToBase64Array(outChars,inData,offsetIn,length, insertLineBreaks);
}
}
return retVal;
}
public static unsafe String ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options) {
int inArrayLength;
int stringLength;
//Do data verfication
if (inArray==null)
throw new ArgumentNullException("inArray");
if (length<0)
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
if (offset<0)
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
inArrayLength = inArray.Length;
if (offset > (inArrayLength - length))
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
if( options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks) {
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)options));
}
if (inArrayLength == 0)
return String.Empty;
bool insertLineBreaks = (options == Base64FormattingOptions.InsertLineBreaks);
//Create the new string. This is the maximally required length.
stringLength = CalculateOutputLength(length, insertLineBreaks);
string returnString = String.GetStringForStringBuilder(String.Empty, stringLength);
fixed (char* outChars = returnString){
fixed (byte* inData = inArray) {
int j = ConvertToBase64Array(outChars,inData,offset,length, insertLineBreaks);
returnString.SetLength(j);
return returnString;
}
}
}
public unsafe static int ToBase64CharArray(byte[] inArray, int offsetIn, int length, char[] outArray, int offsetOut, Base64FormattingOptions options)
{
if (inArray == null)
{
throw new ArgumentNullException("inArray");
}
if (outArray == null)
{
throw new ArgumentNullException("outArray");
}
if (length < 0)
{
throw new ArgumentOutOfRangeException("length", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if (offsetIn < 0)
{
throw new ArgumentOutOfRangeException("offsetIn", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
}
if (offsetOut < 0)
{
throw new ArgumentOutOfRangeException("offsetOut", Environment.GetResourceString("ArgumentOutOfRange_GenericPositive"));
}
if (options < Base64FormattingOptions.None || options > Base64FormattingOptions.InsertLineBreaks)
{
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", new object[]
{
(int)options
}));
}
int num = inArray.Length;
if (offsetIn > num - length)
{
throw new ArgumentOutOfRangeException("offsetIn", Environment.GetResourceString("ArgumentOutOfRange_OffsetLength"));
}
if (num == 0)
{
return 0;
}
bool insertLineBreaks = options == Base64FormattingOptions.InsertLineBreaks;
int num2 = outArray.Length;
int num3 = Convert.CalculateOutputLength(length, insertLineBreaks);
if (offsetOut > num2 - num3)
{
throw new ArgumentOutOfRangeException("offsetOut", Environment.GetResourceString("ArgumentOutOfRange_OffsetOut"));
}
int result;
fixed (char* ptr = &outArray[offsetOut])
{
fixed (byte* ptr2 = inArray)
{
result = Convert.ConvertToBase64Array(ptr, ptr2, offsetIn, length, insertLineBreaks);
}
}
return result;
}
/// <summary>
/// Create a Base64String from the byte[]
/// </summary>
/// <returns>string</returns>
public string ToBase64String(Base64FormattingOptions formattingOptions)
{
return Convert.ToBase64String(_file, 0, _fileSize, formattingOptions);
}
public static int ToBase64CharArray(byte[] inArray, int offsetIn, int length, char[] outArray, int offsetOut, Base64FormattingOptions options) {}
/// <summary>
/// Converts a subset of an 8-bit unsigned integer array to an equivalent subset of a Unicode character array
/// encoded with base-64 digits. Parameters specify the subsets as offsets in the input and output arrays, the
/// number of elements in the input array to convert, and whether line breaks are inserted in the output array.
/// </summary>
/// <param name="inArray">An input array of 8-bit unsigned integers.</param>
/// <param name="offsetIn">A position within .</param>
/// <param name="length">The number of elements of to convert.</param>
/// <param name="outArray">An output array of Unicode characters.</param>
/// <param name="offsetOut">A position within .</param>
/// <param name="options">to insert a line break every 76 characters, or to not insert line breaks.</param>
/// <returns>A 32-bit signed integer containing the number of bytes in .</returns>
public static Int32 ToBase64CharArray(this Byte[] inArray, Int32 offsetIn, Int32 length, Char[] outArray, Int32 offsetOut, Base64FormattingOptions options)
{
return Convert.ToBase64CharArray(inArray, offsetIn, length, outArray, offsetOut, options);
}
public static string ToBase64String (byte[] inArray, Base64FormattingOptions options)
{
if (inArray == null)
throw new ArgumentNullException ("inArray");
return ToBase64String (inArray, 0, inArray.Length, options);
}
public static string ToBase64String(byte[] inArray, int offset, int length, Base64FormattingOptions options)
{
return default(string);
}
public static int ToBase64CharArray (byte[] inArray, int offsetIn, int length,
char[] outArray, int offsetOut, Base64FormattingOptions options)
{
if (inArray == null)
throw new ArgumentNullException ("inArray");
if (outArray == null)
throw new ArgumentNullException ("outArray");
if (offsetIn < 0 || length < 0 || offsetOut < 0)
throw new ArgumentOutOfRangeException ("offsetIn, length, offsetOut < 0");
// avoid integer overflow
if (offsetIn > inArray.Length - length)
throw new ArgumentOutOfRangeException ("offsetIn + length > array.Length");
if (length == 0)
return 0;
// note: normally ToBase64Transform doesn't support multiple block processing
if (options == Base64FormattingOptions.InsertLineBreaks) {
StringBuilder sb = ToBase64StringBuilderWithLine (inArray, offsetIn, length);
sb.CopyTo (0, outArray, offsetOut, sb.Length);
return sb.Length;
} else {
byte[] outArr = Base64Helper.TransformFinalBlock (inArray, offsetIn, length);
char[] cOutArr = Encoding.ASCII.GetChars (outArr);
// avoid integer overflow
if (offsetOut > outArray.Length - cOutArr.Length)
throw new ArgumentOutOfRangeException ("offsetOut + cOutArr.Length > outArray.Length");
Array.Copy (cOutArr, 0, outArray, offsetOut, cOutArr.Length);
return cOutArr.Length;
}
}
public static int ToBase64CharArray(byte[] inArray, int offsetIn, int length, char[] outArray, int offsetOut, Base64FormattingOptions options)
{
Contract.Ensures(0 <= Contract.Result<int>());
return default(int);
}
/// <summary>
/// Converts from the specified encoding to a base 64 string
/// </summary>
/// <param name="Input">Input string</param>
/// <param name="Options">Base 64 formatting options</param>
/// <param name="OriginalEncodingUsing">
/// The type of encoding the string is using (defaults to UTF8)
/// </param>
/// <returns>Bas64 string</returns>
public static string ToString(this string Input, Base64FormattingOptions Options, Encoding OriginalEncodingUsing = null)
{
if (string.IsNullOrEmpty(Input))
return "";
byte[] TempArray = OriginalEncodingUsing.Check(new UTF8Encoding()).GetBytes(Input);
return Convert.ToBase64String(TempArray, Options);
}
private void WriteByteList(List<byte> bytes, Base64FormattingOptions options)
{
byte[] array = bytes.ToArray();
bytes = null;
string base64 = Convert.ToBase64String(array, options);
array = null;
WriteObject(base64);
}
