summaryrefslogtreecommitdiffstats
path: root/ml/dlib/dlib/base64
diff options
context:
space:
mode:
Diffstat (limited to 'ml/dlib/dlib/base64')
-rw-r--r--ml/dlib/dlib/base64/base64_kernel_1.cpp403
-rw-r--r--ml/dlib/dlib/base64/base64_kernel_1.h92
-rw-r--r--ml/dlib/dlib/base64/base64_kernel_abstract.h121
3 files changed, 0 insertions, 616 deletions
diff --git a/ml/dlib/dlib/base64/base64_kernel_1.cpp b/ml/dlib/dlib/base64/base64_kernel_1.cpp
deleted file mode 100644
index 5b48c789e..000000000
--- a/ml/dlib/dlib/base64/base64_kernel_1.cpp
+++ /dev/null
@@ -1,403 +0,0 @@
-// Copyright (C) 2006 Davis E. King (davis@dlib.net)
-// License: Boost Software License See LICENSE.txt for the full license.
-#ifndef DLIB_BASE64_KERNEL_1_CPp_
-#define DLIB_BASE64_KERNEL_1_CPp_
-
-#include "base64_kernel_1.h"
-#include <iostream>
-#include <sstream>
-#include <climits>
-
-namespace dlib
-{
-
-// ----------------------------------------------------------------------------------------
-
- base64::line_ending_type base64::
- line_ending (
- ) const
- {
- return eol_style;
- }
-
-// ----------------------------------------------------------------------------------------
-
- void base64::
- set_line_ending (
- line_ending_type eol_style_
- )
- {
- eol_style = eol_style_;
- }
-
-// ----------------------------------------------------------------------------------------
-
- base64::
- base64 (
- ) :
- encode_table(0),
- decode_table(0),
- bad_value(100),
- eol_style(LF)
- {
- try
- {
- encode_table = new char[64];
- decode_table = new unsigned char[UCHAR_MAX];
- }
- catch (...)
- {
- if (encode_table) delete [] encode_table;
- if (decode_table) delete [] decode_table;
- throw;
- }
-
- // now set up the tables with the right stuff
- encode_table[0] = 'A';
- encode_table[17] = 'R';
- encode_table[34] = 'i';
- encode_table[51] = 'z';
-
- encode_table[1] = 'B';
- encode_table[18] = 'S';
- encode_table[35] = 'j';
- encode_table[52] = '0';
-
- encode_table[2] = 'C';
- encode_table[19] = 'T';
- encode_table[36] = 'k';
- encode_table[53] = '1';
-
- encode_table[3] = 'D';
- encode_table[20] = 'U';
- encode_table[37] = 'l';
- encode_table[54] = '2';
-
- encode_table[4] = 'E';
- encode_table[21] = 'V';
- encode_table[38] = 'm';
- encode_table[55] = '3';
-
- encode_table[5] = 'F';
- encode_table[22] = 'W';
- encode_table[39] = 'n';
- encode_table[56] = '4';
-
- encode_table[6] = 'G';
- encode_table[23] = 'X';
- encode_table[40] = 'o';
- encode_table[57] = '5';
-
- encode_table[7] = 'H';
- encode_table[24] = 'Y';
- encode_table[41] = 'p';
- encode_table[58] = '6';
-
- encode_table[8] = 'I';
- encode_table[25] = 'Z';
- encode_table[42] = 'q';
- encode_table[59] = '7';
-
- encode_table[9] = 'J';
- encode_table[26] = 'a';
- encode_table[43] = 'r';
- encode_table[60] = '8';
-
- encode_table[10] = 'K';
- encode_table[27] = 'b';
- encode_table[44] = 's';
- encode_table[61] = '9';
-
- encode_table[11] = 'L';
- encode_table[28] = 'c';
- encode_table[45] = 't';
- encode_table[62] = '+';
-
- encode_table[12] = 'M';
- encode_table[29] = 'd';
- encode_table[46] = 'u';
- encode_table[63] = '/';
-
- encode_table[13] = 'N';
- encode_table[30] = 'e';
- encode_table[47] = 'v';
-
- encode_table[14] = 'O';
- encode_table[31] = 'f';
- encode_table[48] = 'w';
-
- encode_table[15] = 'P';
- encode_table[32] = 'g';
- encode_table[49] = 'x';
-
- encode_table[16] = 'Q';
- encode_table[33] = 'h';
- encode_table[50] = 'y';
-
-
-
- // we can now fill out the decode_table by using the encode_table
- for (int i = 0; i < UCHAR_MAX; ++i)
- {
- decode_table[i] = bad_value;
- }
- for (unsigned char i = 0; i < 64; ++i)
- {
- decode_table[(unsigned char)encode_table[i]] = i;
- }
- }
-
-// ----------------------------------------------------------------------------------------
-
- base64::
- ~base64 (
- )
- {
- delete [] encode_table;
- delete [] decode_table;
- }
-
-// ----------------------------------------------------------------------------------------
-
- void base64::
- encode (
- std::istream& in_,
- std::ostream& out_
- ) const
- {
- using namespace std;
- streambuf& in = *in_.rdbuf();
- streambuf& out = *out_.rdbuf();
-
- unsigned char inbuf[3];
- unsigned char outbuf[4];
- streamsize status = in.sgetn(reinterpret_cast<char*>(&inbuf),3);
-
- unsigned char c1, c2, c3, c4, c5, c6;
-
- int counter = 19;
-
- // while we haven't hit the end of the input stream
- while (status != 0)
- {
- if (counter == 0)
- {
- counter = 19;
- // write a newline
- char ch;
- switch (eol_style)
- {
- case CR:
- ch = '\r';
- if (out.sputn(&ch,1)!=1)
- throw std::ios_base::failure("error occurred in the base64 object");
- break;
- case LF:
- ch = '\n';
- if (out.sputn(&ch,1)!=1)
- throw std::ios_base::failure("error occurred in the base64 object");
- break;
- case CRLF:
- ch = '\r';
- if (out.sputn(&ch,1)!=1)
- throw std::ios_base::failure("error occurred in the base64 object");
- ch = '\n';
- if (out.sputn(&ch,1)!=1)
- throw std::ios_base::failure("error occurred in the base64 object");
- break;
- default:
- DLIB_CASSERT(false,"this should never happen");
- }
- }
- --counter;
-
- if (status == 3)
- {
- // encode the bytes in inbuf to base64 and write them to the output stream
- c1 = inbuf[0]&0xfc;
- c2 = inbuf[0]&0x03;
- c3 = inbuf[1]&0xf0;
- c4 = inbuf[1]&0x0f;
- c5 = inbuf[2]&0xc0;
- c6 = inbuf[2]&0x3f;
-
- outbuf[0] = c1>>2;
- outbuf[1] = (c2<<4)|(c3>>4);
- outbuf[2] = (c4<<2)|(c5>>6);
- outbuf[3] = c6;
-
-
- outbuf[0] = encode_table[outbuf[0]];
- outbuf[1] = encode_table[outbuf[1]];
- outbuf[2] = encode_table[outbuf[2]];
- outbuf[3] = encode_table[outbuf[3]];
-
- // write the encoded bytes to the output stream
- if (out.sputn(reinterpret_cast<char*>(&outbuf),4)!=4)
- {
- throw std::ios_base::failure("error occurred in the base64 object");
- }
-
- // get 3 more input bytes
- status = in.sgetn(reinterpret_cast<char*>(&inbuf),3);
- continue;
- }
- else if (status == 2)
- {
- // we are at the end of the input stream and need to add some padding
-
- // encode the bytes in inbuf to base64 and write them to the output stream
- c1 = inbuf[0]&0xfc;
- c2 = inbuf[0]&0x03;
- c3 = inbuf[1]&0xf0;
- c4 = inbuf[1]&0x0f;
- c5 = 0;
-
- outbuf[0] = c1>>2;
- outbuf[1] = (c2<<4)|(c3>>4);
- outbuf[2] = (c4<<2)|(c5>>6);
- outbuf[3] = '=';
-
- outbuf[0] = encode_table[outbuf[0]];
- outbuf[1] = encode_table[outbuf[1]];
- outbuf[2] = encode_table[outbuf[2]];
-
- // write the encoded bytes to the output stream
- if (out.sputn(reinterpret_cast<char*>(&outbuf),4)!=4)
- {
- throw std::ios_base::failure("error occurred in the base64 object");
- }
-
-
- break;
- }
- else // in this case status must be 1
- {
- // we are at the end of the input stream and need to add some padding
-
- // encode the bytes in inbuf to base64 and write them to the output stream
- c1 = inbuf[0]&0xfc;
- c2 = inbuf[0]&0x03;
- c3 = 0;
-
- outbuf[0] = c1>>2;
- outbuf[1] = (c2<<4)|(c3>>4);
- outbuf[2] = '=';
- outbuf[3] = '=';
-
- outbuf[0] = encode_table[outbuf[0]];
- outbuf[1] = encode_table[outbuf[1]];
-
-
- // write the encoded bytes to the output stream
- if (out.sputn(reinterpret_cast<char*>(&outbuf),4)!=4)
- {
- throw std::ios_base::failure("error occurred in the base64 object");
- }
-
- break;
- }
- } // while (status != 0)
-
-
- // make sure the stream buffer flushes to its I/O channel
- out.pubsync();
- }
-
-// ----------------------------------------------------------------------------------------
-
- void base64::
- decode (
- std::istream& in_,
- std::ostream& out_
- ) const
- {
- using namespace std;
- streambuf& in = *in_.rdbuf();
- streambuf& out = *out_.rdbuf();
-
- unsigned char inbuf[4];
- unsigned char outbuf[3];
- int inbuf_pos = 0;
- streamsize status = in.sgetn(reinterpret_cast<char*>(inbuf),1);
-
- // only count this character if it isn't some kind of filler
- if (status == 1 && decode_table[inbuf[0]] != bad_value )
- ++inbuf_pos;
-
- unsigned char c1, c2, c3, c4, c5, c6;
- streamsize outsize;
-
- // while we haven't hit the end of the input stream
- while (status != 0)
- {
- // if we have 4 valid characters
- if (inbuf_pos == 4)
- {
- inbuf_pos = 0;
-
- // this might be the end of the encoded data so we need to figure out if
- // there was any padding applied.
- outsize = 3;
- if (inbuf[3] == '=')
- {
- if (inbuf[2] == '=')
- outsize = 1;
- else
- outsize = 2;
- }
-
- // decode the incoming characters
- inbuf[0] = decode_table[inbuf[0]];
- inbuf[1] = decode_table[inbuf[1]];
- inbuf[2] = decode_table[inbuf[2]];
- inbuf[3] = decode_table[inbuf[3]];
-
-
- // now pack these guys into bytes rather than 6 bit chunks
- c1 = inbuf[0]<<2;
- c2 = inbuf[1]>>4;
- c3 = inbuf[1]<<4;
- c4 = inbuf[2]>>2;
- c5 = inbuf[2]<<6;
- c6 = inbuf[3];
-
- outbuf[0] = c1|c2;
- outbuf[1] = c3|c4;
- outbuf[2] = c5|c6;
-
-
- // write the encoded bytes to the output stream
- if (out.sputn(reinterpret_cast<char*>(&outbuf),outsize)!=outsize)
- {
- throw std::ios_base::failure("error occurred in the base64 object");
- }
- }
-
- // get more input characters
- status = in.sgetn(reinterpret_cast<char*>(inbuf + inbuf_pos),1);
- // only count this character if it isn't some kind of filler
- if ((decode_table[inbuf[inbuf_pos]] != bad_value || inbuf[inbuf_pos] == '=') &&
- status != 0)
- ++inbuf_pos;
- } // while (status != 0)
-
- if (inbuf_pos != 0)
- {
- ostringstream sout;
- sout << inbuf_pos << " extra characters were found at the end of the encoded data."
- << " This may indicate that the data stream has been truncated.";
- // this happens if we hit EOF in the middle of decoding a 24bit block.
- throw decode_error(sout.str());
- }
-
- // make sure the stream buffer flushes to its I/O channel
- out.pubsync();
- }
-
-// ----------------------------------------------------------------------------------------
-
-}
-
-#endif // DLIB_BASE64_KERNEL_1_CPp_
-
diff --git a/ml/dlib/dlib/base64/base64_kernel_1.h b/ml/dlib/dlib/base64/base64_kernel_1.h
deleted file mode 100644
index d8f49b1b8..000000000
--- a/ml/dlib/dlib/base64/base64_kernel_1.h
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright (C) 2006 Davis E. King (davis@dlib.net)
-// License: Boost Software License See LICENSE.txt for the full license.
-#ifndef DLIB_BASE64_KERNEl_1_
-#define DLIB_BASE64_KERNEl_1_
-
-#include "../algs.h"
-#include "base64_kernel_abstract.h"
-#include <iosfwd>
-
-namespace dlib
-{
-
- class base64
- {
- /*!
- INITIAL VALUE
- - bad_value == 100
- - encode_table == a pointer to an array of 64 chars
- - where x is a 6 bit value the following is true:
- - encode_table[x] == the base64 encoding of x
- - decode_table == a pointer to an array of UCHAR_MAX chars
- - where x is any char value:
- - if (x is a valid character in the base64 coding scheme) then
- - decode_table[x] == the 6 bit value that x encodes
- - else
- - decode_table[x] == bad_value
-
- CONVENTION
- - The state of this object never changes so just refer to its
- initial value.
-
-
- !*/
-
- public:
- // this is here for backwards compatibility with older versions of dlib.
- typedef base64 kernel_1a;
-
- class decode_error : public dlib::error { public:
- decode_error( const std::string& e) : error(e) {}};
-
- base64 (
- );
-
- virtual ~base64 (
- );
-
- enum line_ending_type
- {
- CR, // i.e. "\r"
- LF, // i.e. "\n"
- CRLF // i.e. "\r\n"
- };
-
- line_ending_type line_ending (
- ) const;
-
- void set_line_ending (
- line_ending_type eol_style_
- );
-
- void encode (
- std::istream& in,
- std::ostream& out
- ) const;
-
- void decode (
- std::istream& in,
- std::ostream& out
- ) const;
-
- private:
-
- char* encode_table;
- unsigned char* decode_table;
- const unsigned char bad_value;
- line_ending_type eol_style;
-
- // restricted functions
- base64(base64&); // copy constructor
- base64& operator=(base64&); // assignment operator
-
- };
-
-}
-
-#ifdef NO_MAKEFILE
-#include "base64_kernel_1.cpp"
-#endif
-
-#endif // DLIB_BASE64_KERNEl_1_
-
diff --git a/ml/dlib/dlib/base64/base64_kernel_abstract.h b/ml/dlib/dlib/base64/base64_kernel_abstract.h
deleted file mode 100644
index 0a63d3b87..000000000
--- a/ml/dlib/dlib/base64/base64_kernel_abstract.h
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright (C) 2006 Davis E. King (davis@dlib.net)
-// License: Boost Software License See LICENSE.txt for the full license.
-#undef DLIB_BASE64_KERNEl_ABSTRACT_
-#ifdef DLIB_BASE64_KERNEl_ABSTRACT_
-
-#include "../algs.h"
-#include <iosfwd>
-
-namespace dlib
-{
-
- class base64
- {
- /*!
- INITIAL VALUE
- - line_ending() == LF
-
- WHAT THIS OBJECT REPRESENTS
- This object consists of the two functions encode and decode.
- These functions allow you to encode and decode data to and from
- the Base64 Content-Transfer-Encoding defined in section 6.8 of
- rfc2045.
- !*/
-
- public:
-
- class decode_error : public dlib::error {};
-
- base64 (
- );
- /*!
- ensures
- - #*this is properly initialized
- throws
- - std::bad_alloc
- !*/
-
- virtual ~base64 (
- );
- /*!
- ensures
- - all memory associated with *this has been released
- !*/
-
- enum line_ending_type
- {
- CR, // i.e. "\r"
- LF, // i.e. "\n"
- CRLF // i.e. "\r\n"
- };
-
- line_ending_type line_ending (
- ) const;
- /*!
- ensures
- - returns the type of end of line bytes the encoder
- will use when encoding data to base64 blocks. Note that
- the ostream object you use might apply some sort of transform
- to line endings as well. For example, C++ ofstream objects
- usually convert '\n' into whatever a normal newline is for
- your platform unless you open a file in binary mode. But
- aside from file streams the ostream objects usually don't
- modify the data you pass to them.
- !*/
-
- void set_line_ending (
- line_ending_type eol_style
- );
- /*!
- ensures
- - #line_ending() == eol_style
- !*/
-
- void encode (
- std::istream& in,
- std::ostream& out
- ) const;
- /*!
- ensures
- - reads all data from in (until EOF is reached) and encodes it
- and writes it to out
- throws
- - std::ios_base::failure
- if there was a problem writing to out then this exception will
- be thrown.
- - any other exception
- this exception may be thrown if there is any other problem
- !*/
-
- void decode (
- std::istream& in,
- std::ostream& out
- ) const;
- /*!
- ensures
- - reads data from in (until EOF is reached), decodes it,
- and writes it to out.
- throws
- - std::ios_base::failure
- if there was a problem writing to out then this exception will
- be thrown.
- - decode_error
- if an error was detected in the encoded data that prevented
- it from being correctly decoded then this exception is
- thrown.
- - any other exception
- this exception may be thrown if there is any other problem
- !*/
-
- private:
-
- // restricted functions
- base64(base64&); // copy constructor
- base64& operator=(base64&); // assignment operator
-
- };
-
-}
-
-#endif // DLIB_BASE64_KERNEl_ABSTRACT_
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 13:57:51 +0000