6#ifndef DUNE_GRID_IO_FILE_VTK_B64ENC_HH
7#define DUNE_GRID_IO_FILE_VTK_B64ENC_HH
25 'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K',
'L',
'M',
26 'N',
'O',
'P',
'Q',
'R',
'S',
'T',
'U',
'V',
'W',
'X',
'Y',
'Z',
27 'a',
'b',
'c',
'd',
'e',
'f',
'g',
'h',
'i',
'j',
'k',
'l',
'm',
28 'n',
'o',
'p',
'q',
'r',
's',
't',
'u',
'v',
'w',
'x',
'y',
'z',
29 '0',
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'+',
'/'
35 using size_type =
unsigned char;
42 txt[0] = txt[1] = txt[2] = 0;
45 int read(
const char* t, size_type s)
48 txt[0] = s>0 ? t[0] : 0;
49 txt[1] = s>1 ? t[1] : 0;
50 txt[2] = s>2 ? t[2] : 0;
54 void put(
const char c)
62 const unsigned A = (txt[0] & 0b1111'1100) >> 2;
63 const unsigned B = (txt[0] & 0b0000'0011) << 4 | (txt[1] & 0b1111'0000) >> 4;
64 const unsigned C = (txt[1] & 0b0000'1111) << 2 | (txt[2] & 0b1100'0000) >> 6;
65 const unsigned D = txt[2] & 0b0011'1111;
Dune namespace.
Definition: alignedallocator.hh:13
const char base64table[]
endoing table
Definition: b64enc.hh:23
struct representing the three byte text as well as the four 6 bit chunks
Definition: b64enc.hh:34