[#BloombergLP-bdlde-Base64Decoder]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlde.adoc[bdlde]::Base64Decoder
:relfileprefix: ../../
:mrdocs:

This class implements a mechanism capable of converting data of arbitrary length from its corresponding Base64 representation&period;

== Synopsis

Declared in `&lt;bdlde&lowbar;base64decoder&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class Base64Decoder;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Base64Decoder/Alphabet-05.adoc[`Alphabet`] 
| Alias for `Base64Alphabet&colon;&colon;Enum`&period;
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Base64Decoder/2constructor-028.adoc[`Base64Decoder`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/bdlde/Base64Decoder/2destructor.adoc[`&#126;Base64Decoder`] [.small]#[destructor]#
| Destroy this object&period;
| xref:BloombergLP/bdlde/Base64Decoder/alphabet-0e.adoc[`alphabet`] 
| Return the alphabet supplied at construction of this object&period;
| xref:BloombergLP/bdlde/Base64Decoder/convert-05.adoc[`convert`] 
| `convert` overloads
| xref:BloombergLP/bdlde/Base64Decoder/endConvert-0bf.adoc[`endConvert`] 
| `endConvert` overloads
| xref:BloombergLP/bdlde/Base64Decoder/ignoreMode-00.adoc[`ignoreMode`] 
| Return the `ignoreMode` state of this decoder&period;
| xref:BloombergLP/bdlde/Base64Decoder/isAcceptable.adoc[`isAcceptable`] 
| Return whether the input so far is syntactically complete&period;
| xref:BloombergLP/bdlde/Base64Decoder/isDone.adoc[`isDone`] 
| Return whether decoding is finished and no further input is allowed&period;
| xref:BloombergLP/bdlde/Base64Decoder/isError.adoc[`isError`] 
| Return `true` if there is no possibility of achieving an &quot;acceptable&quot; result, and `false` otherwise&period;
| xref:BloombergLP/bdlde/Base64Decoder/isInitialState.adoc[`isInitialState`] 
| Return `true` if this instance is in the initial state (i&period;e&period;, as if no input had been consumed), and `false` otherwise&period;
| xref:BloombergLP/bdlde/Base64Decoder/isMaximal.adoc[`isMaximal`] 
| Return `true` if the current input is acceptable and any additional input (other than `endConvert`) would be an error, and `false` otherwise&period;
| xref:BloombergLP/bdlde/Base64Decoder/isPadded.adoc[`isPadded`] 
| Return `true` if this object is configured for padded input and `false` otherwise&period;
| xref:BloombergLP/bdlde/Base64Decoder/isUnrecognizedAnError.adoc[`isUnrecognizedAnError`] 
| Return whether unrecognized characters are treated as errors&period;
| xref:BloombergLP/bdlde/Base64Decoder/options.adoc[`options`] 
| Return a `Base64DecoderOptions` object representing the configuration of this decoder&period;
| xref:BloombergLP/bdlde/Base64Decoder/outputLength.adoc[`outputLength`] 
| Return the total length of the output emitted thus far&period;
| xref:BloombergLP/bdlde/Base64Decoder/resetState.adoc[`resetState`] 
| Reset this instance to its initial state (i&period;e&period;, as if no input had been consumed)&period;
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Base64Decoder/maxDecodedLength.adoc[`maxDecodedLength`] 
| Return the maximum number of decoded bytes for an input of `inputLength`&period;
|===


== Static Data Members

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Base64Decoder/e_BASIC.adoc[`e&lowbar;BASIC`] 
| Standard Base64 alphabet constant&period;
| xref:BloombergLP/bdlde/Base64Decoder/e_URL.adoc[`e&lowbar;URL`] 
| URL&hyphen;safe Base64 alphabet constant&period;
|===



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