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cp437_to_unicode.cc
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cp437_to_unicode.cc
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#include "cp437_to_unicode.hpp"
#include <cstring>
unsigned int character_mappings[256];
int dfterm::mapCharacter(int character)
{
if (character > 255) character = 255;
if (character < 0) character = 0;
character = character_mappings[character];
if (character < 32) character = ' ';
return character;
}
void dfterm::initCharacterMappings()
{
/* The characters of Dwarf Fortress (as how they look like):
0 - empty
1 - civilian dwarf
2 - military dwarf
3 - heart
4 - diamond
5 - tree 1
6 - tree 2
7 - sphere
8 - inverted sphere
9 - ring
10 - inverted ring
11 - male symbol
12 - female symbol
13 - note
14 - double note
15 - star
16 - triangle with flat side left
17 - triangle with flat side right
18 - arrow with both up and down directions
19 - two exclamation marks
20 - the thing that looks like mirrored P
21 - §
22 - wood log
23 - arrow with both up and down directions and underlined
24 - up arrow
25 - down arrow
26 - right arrow
27 - left arrow
28 - not sign
29 - arrow with both left and right directions
30 - triangle with flat side bottom
31 - triangle with flat side top
The characters are actually from IBM's CP437. This code maps them to unicode.
*/
memset(character_mappings, 0, 256 * sizeof(unsigned int));
int i1;
// By default, just map 1:1
for (i1 = 32; i1 < 127; ++i1)
character_mappings[i1] = i1;
// Map other characters to '?'
for (i1 = 0; i1 < 32; ++i1)
character_mappings[i1] = ' ';
for (i1 = 127; i1 < 256; ++i1)
character_mappings[i1] = '?';
// Remap characters below 32 to unicode characters.
character_mappings[1] = 0x263A;
character_mappings[2] = 0x263B;
character_mappings[3] = 0x2665;
character_mappings[4] = 0x2666;
character_mappings[5] = 0x2663;
character_mappings[6] = 0x2660;
character_mappings[7] = 0x2022;
character_mappings[8] = 0x25D8;
character_mappings[9] = 0x25CB;
character_mappings[10] = 0x25D9;
character_mappings[11] = 0x2642;
character_mappings[12] = 0x2640;
character_mappings[13] = 0x266A;
character_mappings[14] = 0x266B;
character_mappings[15] = 0x263C;
character_mappings[16] = 0x25BA;
character_mappings[17] = 0x25C4;
character_mappings[18] = 0x2195;
character_mappings[19] = 0x203C;
character_mappings[20] = 0x00B6;
character_mappings[21] = 0x00A7;
character_mappings[22] = 0x25AC;
character_mappings[23] = 0x21A8;
character_mappings[24] = 0x2191;
character_mappings[25] = 0x2193;
character_mappings[26] = 0x2192;
character_mappings[27] = 0x2190;
character_mappings[28] = 0x221F;
character_mappings[29] = 0x2194;
character_mappings[30] = 0x25B2;
character_mappings[31] = 0x25BC;
character_mappings[0x7f] = 0x2302 ;
character_mappings[0x80]= 0x00c7 ; //LATIN CAPITAL LETTER C WITH CEDILLA
character_mappings[0x81]= 0x00fc ; //LATIN SMALL LETTER U WITH DIAERESIS
character_mappings[0x82]= 0x00e9 ; //LATIN SMALL LETTER E WITH ACUTE
character_mappings[0x83]= 0x00e2 ; //LATIN SMALL LETTER A WITH CIRCUMFLEX
character_mappings[0x84]= 0x00e4 ; //LATIN SMALL LETTER A WITH DIAERESIS
character_mappings[0x85]= 0x00e0 ; //LATIN SMALL LETTER A WITH GRAVE
character_mappings[0x86]= 0x00e5 ; //LATIN SMALL LETTER A WITH RING ABOVE
character_mappings[0x87]= 0x00e7 ; //LATIN SMALL LETTER C WITH CEDILLA
character_mappings[0x88]= 0x00ea ; //LATIN SMALL LETTER E WITH CIRCUMFLEX
character_mappings[0x89]= 0x00eb ; //LATIN SMALL LETTER E WITH DIAERESIS
character_mappings[0x8a]= 0x00e8 ; //LATIN SMALL LETTER E WITH GRAVE
character_mappings[0x8b]= 0x00ef ; //LATIN SMALL LETTER I WITH DIAERESIS
character_mappings[0x8c]= 0x00ee ; //LATIN SMALL LETTER I WITH CIRCUMFLEX
character_mappings[0x8d]= 0x00ec ; //LATIN SMALL LETTER I WITH GRAVE
character_mappings[0x8e]= 0x00c4 ; //LATIN CAPITAL LETTER A WITH DIAERESIS
character_mappings[0x8f]= 0x00c5 ; //LATIN CAPITAL LETTER A WITH RING ABOVE
character_mappings[0x90]= 0x00c9 ; //LATIN CAPITAL LETTER E WITH ACUTE
character_mappings[0x91]= 0x00e6 ; //LATIN SMALL LIGATURE AE
character_mappings[0x92]= 0x00c6 ; //LATIN CAPITAL LIGATURE AE
character_mappings[0x93]= 0x00f4 ; //LATIN SMALL LETTER O WITH CIRCUMFLEX
character_mappings[0x94]= 0x00f6 ; //LATIN SMALL LETTER O WITH DIAERESIS
character_mappings[0x95]= 0x00f2 ; //LATIN SMALL LETTER O WITH GRAVE
character_mappings[0x96]= 0x00fb ; //LATIN SMALL LETTER U WITH CIRCUMFLEX
character_mappings[0x97]= 0x00f9 ; //LATIN SMALL LETTER U WITH GRAVE
character_mappings[0x98]= 0x00ff ; //LATIN SMALL LETTER Y WITH DIAERESIS
character_mappings[0x99]= 0x00d6 ; //LATIN CAPITAL LETTER O WITH DIAERESIS
character_mappings[0x9a]= 0x00dc ; //LATIN CAPITAL LETTER U WITH DIAERESIS
character_mappings[0x9b]= 0x00a2 ; //CENT SIGN
character_mappings[0x9c]= 0x00a3 ; //POUND SIGN
character_mappings[0x9d]= 0x00a5 ; //YEN SIGN
character_mappings[0x9e]= 0x20a7 ; //PESETA SIGN
character_mappings[0x9f]= 0x0192 ; //LATIN SMALL LETTER F WITH HOOK
character_mappings[0xa0]= 0x00e1 ; //LATIN SMALL LETTER A WITH ACUTE
character_mappings[0xa1]= 0x00ed ; //LATIN SMALL LETTER I WITH ACUTE
character_mappings[0xa2]= 0x00f3 ; //LATIN SMALL LETTER O WITH ACUTE
character_mappings[0xa3]= 0x00fa ; //LATIN SMALL LETTER U WITH ACUTE
character_mappings[0xa4]= 0x00f1 ; //LATIN SMALL LETTER N WITH TILDE
character_mappings[0xa5]= 0x00d1 ; //LATIN CAPITAL LETTER N WITH TILDE
character_mappings[0xa6]= 0x00aa ; //FEMININE ORDINAL INDICATOR
character_mappings[0xa7]= 0x00ba ; //MASCULINE ORDINAL INDICATOR
character_mappings[0xa8]= 0x00bf ; //INVERTED QUESTION MARK
character_mappings[0xa9]= 0x2310 ; //REVERSED NOT SIGN
character_mappings[0xaa]= 0x00ac ; //NOT SIGN
character_mappings[0xab]= 0x00bd ; //VULGAR FRACTION ONE HALF
character_mappings[0xac]= 0x00bc ; //VULGAR FRACTION ONE QUARTER
character_mappings[0xad]= 0x00a1 ; //INVERTED EXCLAMATION MARK
character_mappings[0xae]= 0x00ab ; //LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
character_mappings[0xaf]= 0x00bb ; //RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
character_mappings[0xb0]= 0x2591 ; //LIGHT SHADE
character_mappings[0xb1]= 0x2592 ; //MEDIUM SHADE
character_mappings[0xb2]= 0x2593 ; //DARK SHADE
character_mappings[0xb3]= 0x2502 ; //BOX DRAWINGS LIGHT VERTICAL
character_mappings[0xb4]= 0x2524 ; //BOX DRAWINGS LIGHT VERTICAL AND LEFT
character_mappings[0xb5]= 0x2561 ; //BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE
character_mappings[0xb6]= 0x2562 ; //BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE
character_mappings[0xb7]= 0x2556 ; //BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE
character_mappings[0xb8]= 0x2555 ; //BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE
character_mappings[0xb9]= 0x2563 ; //BOX DRAWINGS DOUBLE VERTICAL AND LEFT
character_mappings[0xba]= 0x2551 ; //BOX DRAWINGS DOUBLE VERTICAL
character_mappings[0xbb]= 0x2557 ; //BOX DRAWINGS DOUBLE DOWN AND LEFT
character_mappings[0xbc]= 0x255d ; //BOX DRAWINGS DOUBLE UP AND LEFT
character_mappings[0xbd]= 0x255c ; //BOX DRAWINGS UP DOUBLE AND LEFT SINGLE
character_mappings[0xbe]= 0x255b ; //BOX DRAWINGS UP SINGLE AND LEFT DOUBLE
character_mappings[0xbf]= 0x2510 ; //BOX DRAWINGS LIGHT DOWN AND LEFT
character_mappings[0xc0]= 0x2514 ; //BOX DRAWINGS LIGHT UP AND RIGHT
character_mappings[0xc1]= 0x2534 ; //BOX DRAWINGS LIGHT UP AND HORIZONTAL
character_mappings[0xc2]= 0x252c ; //BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
character_mappings[0xc3]= 0x251c ; //BOX DRAWINGS LIGHT VERTICAL AND RIGHT
character_mappings[0xc4]= 0x2500 ; //BOX DRAWINGS LIGHT HORIZONTAL
character_mappings[0xc5]= 0x253c ; //BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
character_mappings[0xc6]= 0x255e ; //BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE
character_mappings[0xc7]= 0x255f ; //BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE
character_mappings[0xc8]= 0x255a ; //BOX DRAWINGS DOUBLE UP AND RIGHT
character_mappings[0xc9]= 0x2554 ; //BOX DRAWINGS DOUBLE DOWN AND RIGHT
character_mappings[0xca]= 0x2569 ; //BOX DRAWINGS DOUBLE UP AND HORIZONTAL
character_mappings[0xcb]= 0x2566 ; //BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL
character_mappings[0xcc]= 0x2560 ; //BOX DRAWINGS DOUBLE VERTICAL AND RIGHT
character_mappings[0xcd]= 0x2550 ; //BOX DRAWINGS DOUBLE HORIZONTAL
character_mappings[0xce]= 0x256c ; //BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL
character_mappings[0xcf]= 0x2567 ; //BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE
character_mappings[0xd0]= 0x2568 ; //BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE
character_mappings[0xd1]= 0x2564 ; //BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE
character_mappings[0xd2]= 0x2565 ; //BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE
character_mappings[0xd3]= 0x2559 ; //BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE
character_mappings[0xd4]= 0x2558 ; //BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE
character_mappings[0xd5]= 0x2552 ; //BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE
character_mappings[0xd6]= 0x2553 ; //BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE
character_mappings[0xd7]= 0x256b ; //BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE
character_mappings[0xd8]= 0x256a ; //BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE
character_mappings[0xd9]= 0x2518 ; //BOX DRAWINGS LIGHT UP AND LEFT
character_mappings[0xda]= 0x250c ; //BOX DRAWINGS LIGHT DOWN AND RIGHT
character_mappings[0xdb]= 0x2588 ; //FULL BLOCK
character_mappings[0xdc]= 0x2584 ; //LOWER HALF BLOCK
character_mappings[0xdd]= 0x258c ; //LEFT HALF BLOCK
character_mappings[0xde]= 0x2590 ; //RIGHT HALF BLOCK
character_mappings[0xdf]= 0x2580 ; //UPPER HALF BLOCK
character_mappings[0xe0]= 0x03b1 ; //GREEK SMALL LETTER ALPHA
character_mappings[0xe1]= 0x00df ; //LATIN SMALL LETTER SHARP S
character_mappings[0xe2]= 0x0393 ; //GREEK CAPITAL LETTER GAMMA
character_mappings[0xe3]= 0x03c0 ; //GREEK SMALL LETTER PI
character_mappings[0xe4]= 0x03a3 ; //GREEK CAPITAL LETTER SIGMA
character_mappings[0xe5]= 0x03c3 ; //GREEK SMALL LETTER SIGMA
character_mappings[0xe6]= 0x00b5 ; //MICRO SIGN
character_mappings[0xe7]= 0x03c4 ; //GREEK SMALL LETTER TAU
character_mappings[0xe8]= 0x03a6 ; //GREEK CAPITAL LETTER PHI
character_mappings[0xe9]= 0x0398 ; //GREEK CAPITAL LETTER THETA
character_mappings[0xea]= 0x03a9 ; //GREEK CAPITAL LETTER OMEGA
character_mappings[0xeb]= 0x03b4 ; //GREEK SMALL LETTER DELTA
character_mappings[0xec]= 0x221e ; //INFINITY
character_mappings[0xed]= 0x03c6 ; //GREEK SMALL LETTER PHI
character_mappings[0xee]= 0x03b5 ; //GREEK SMALL LETTER EPSILON
character_mappings[0xef]= 0x2229 ; //INTERSECTION
character_mappings[0xf0]= 0x2261 ; //IDENTICAL TO
character_mappings[0xf1]= 0x00b1 ; //PLUS-MINUS SIGN
character_mappings[0xf2]= 0x2265 ; //GREATER-THAN OR EQUAL TO
character_mappings[0xf3]= 0x2264 ; //LESS-THAN OR EQUAL TO
character_mappings[0xf4]= 0x2320 ; //TOP HALF INTEGRAL
character_mappings[0xf5]= 0x2321 ; //BOTTOM HALF INTEGRAL
character_mappings[0xf6]= 0x00f7 ; //DIVISION SIGN
character_mappings[0xf7]= 0x2248 ; //ALMOST EQUAL TO
character_mappings[0xf8]= 0x00b0 ; //DEGREE SIGN
character_mappings[0xf9]= 0x2219 ; //BULLET OPERATOR
character_mappings[0xfa]= 0x00b7 ; //MIDDLE DOT
character_mappings[0xfb]= 0x221a ; //SQUARE ROOT
character_mappings[0xfc]= 0x207f ; //SUPERSCRIPT LATIN SMALL LETTER N
character_mappings[0xfd]= 0x00b2 ; //SUPERSCRIPT TWO
character_mappings[0xfe]= 0x25a0 ; //BLACK SQUARE
character_mappings[0xff]= 0x00a0 ; //NO-BREAK SPACE
}