#include <b64_filt.h>
Public Member Functions | |
| virtual bool | attachable () |
| Base64_Decoder (Decoder_Checking checking=NONE) | |
| void | end_msg () |
| std::string | name () const |
| virtual void | start_msg () |
| void | write (const byte input[], size_t length) |
Protected Member Functions | |
| virtual void | send (const byte in[], size_t length) |
| void | send (byte in) |
| void | send (const secure_vector< byte > &in) |
| void | send (const std::vector< byte > &in) |
| void | send (const secure_vector< byte > &in, size_t length) |
| void | send (const std::vector< byte > &in, size_t length) |
Detailed Description
This object represents a Base64 decoder.
Definition at line 57 of file b64_filt.h.
Constructor & Destructor Documentation
| Botan::Base64_Decoder::Base64_Decoder | ( | Decoder_Checking | checking = NONE | ) |
Create a base64 decoder.
- Parameters:
-
checking the type of checking that shall be performed by the decoder
Definition at line 116 of file b64_filt.cpp.
: checking(c), in(64), out(48), position(0) { }
Member Function Documentation
| virtual bool Botan::Filter::attachable | ( | ) | [inline, virtual, inherited] |
Check whether this filter is an attachable filter.
- Returns:
- true if this filter is attachable, false otherwise
Reimplemented in Botan::SecureQueue, and Botan::DataSink.
Definition at line 52 of file filter.h.
{ return true; }
| void Botan::Base64_Decoder::end_msg | ( | ) | [virtual] |
Finish up the current message
Reimplemented from Botan::Filter.
Definition at line 158 of file b64_filt.cpp.
References Botan::base64_decode(), Botan::FULL_CHECK, and Botan::Filter::send().
{
size_t consumed = 0;
size_t written = base64_decode(&out[0],
reinterpret_cast<const char*>(&in[0]),
position,
consumed,
true,
checking != FULL_CHECK);
send(out, written);
const bool not_full_bytes = consumed != position;
position = 0;
if(not_full_bytes)
throw std::invalid_argument("Base64_Decoder: Input not full bytes");
}
| std::string Botan::Base64_Decoder::name | ( | ) | const [inline, virtual] |
- Returns:
- descriptive name for this filter
Implements Botan::Filter.
Definition at line 60 of file b64_filt.h.
{ return "Base64_Decoder"; }
| void Botan::Filter::send | ( | const byte | in[], |
| size_t | length | ||
| ) | [protected, virtual, inherited] |
- Parameters:
-
in some input for the filter length the length of in
Reimplemented in Botan::Threaded_Fork.
Definition at line 28 of file filter.cpp.
References Botan::Filter::write().
Referenced by Botan::Compression_Decompression_Filter::end_msg(), Botan::Hex_Encoder::end_msg(), Botan::Base64_Encoder::end_msg(), Botan::Hex_Decoder::end_msg(), end_msg(), Botan::Hash_Filter::end_msg(), Botan::MAC_Filter::end_msg(), Botan::Compression_Decompression_Filter::flush(), Botan::Compression_Decompression_Filter::start_msg(), Botan::Compression_Decompression_Filter::write(), Botan::StreamCipher_Filter::write(), Botan::Hex_Decoder::write(), and write().
{
if(!length)
return;
bool nothing_attached = true;
for(size_t j = 0; j != total_ports(); ++j)
if(next[j])
{
if(write_queue.size())
next[j]->write(&write_queue[0], write_queue.size());
next[j]->write(input, length);
nothing_attached = false;
}
if(nothing_attached)
write_queue += std::make_pair(input, length);
else
write_queue.clear();
}
| void Botan::Filter::send | ( | byte | in | ) | [inline, protected, inherited] |
- Parameters:
-
in some input for the filter
Definition at line 65 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in, 1); }
| void Botan::Filter::send | ( | const secure_vector< byte > & | in | ) | [inline, protected, inherited] |
- Parameters:
-
in some input for the filter
Definition at line 70 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
| void Botan::Filter::send | ( | const std::vector< byte > & | in | ) | [inline, protected, inherited] |
- Parameters:
-
in some input for the filter
Definition at line 75 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
| void Botan::Filter::send | ( | const secure_vector< byte > & | in, |
| size_t | length | ||
| ) | [inline, protected, inherited] |
| void Botan::Filter::send | ( | const std::vector< byte > & | in, |
| size_t | length | ||
| ) | [inline, protected, inherited] |
| virtual void Botan::Filter::start_msg | ( | ) | [inline, virtual, inherited] |
Start a new message. Must be closed by end_msg() before another message can be started.
Reimplemented in Botan::Compression_Decompression_Filter.
Definition at line 40 of file filter.h.
{}
| void Botan::Base64_Decoder::write | ( | const byte | input[], |
| size_t | length | ||
| ) | [virtual] |
Input a part of a message to the decoder.
- Parameters:
-
input the message to input as a byte array length the length of the byte array input
Implements Botan::Filter.
Definition at line 124 of file b64_filt.cpp.
References Botan::base64_decode(), Botan::copy_mem(), Botan::FULL_CHECK, and Botan::Filter::send().
{
while(length)
{
size_t to_copy = std::min<size_t>(length, in.size() - position);
copy_mem(&in[position], input, to_copy);
position += to_copy;
size_t consumed = 0;
size_t written = base64_decode(&out[0],
reinterpret_cast<const char*>(&in[0]),
position,
consumed,
false,
checking != FULL_CHECK);
send(out, written);
if(consumed != position)
{
copy_mem(&in[0], &in[consumed], position - consumed);
position = position - consumed;
}
else
position = 0;
length -= to_copy;
input += to_copy;
}
}
The documentation for this class was generated from the following files:
- src/lib/filters/codec_filt/b64_filt.h
- src/lib/filters/codec_filt/b64_filt.cpp
