ref: 0d3401058d83b469ef7be63d066ca9bed819735c
dir: /src/asm/charmap.c/
/*
* UTF-8 decoder copyright © 2008–2009 Björn Höhrmann <[email protected]>
* http://bjoern.hoehrmann.de/utf-8/decoder/dfa/
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdint.h>
static const uint8_t utf8d[] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 00..1f
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 20..3f
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 40..5f
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 60..7f
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, // 80..9f
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, // a0..bf
8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, // c0..df
0xa,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x4,0x3,0x3, // e0..ef
0xb,0x6,0x6,0x6,0x5,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8, // f0..ff
0x0,0x1,0x2,0x3,0x5,0x8,0x7,0x1,0x1,0x1,0x4,0x6,0x1,0x1,0x1,0x1, // s0..s0
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,0,1,1,1,1,1,1, // s1..s2
1,2,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1, // s3..s4
1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,3,1,1,1,1,1,1, // s5..s6
1,3,1,1,1,1,1,3,1,3,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // s7..s8
};
uint32_t
decode(uint32_t* state, uint32_t* codep, uint32_t byte) {
uint32_t type = utf8d[byte];
*codep = (*state != 0) ?
(byte & 0x3fu) | (*codep << 6) :
(0xff >> type) & (byte);
*state = utf8d[256 + *state*16 + type];
return *state;
}
/*
* Copyright © 2013 stag019 <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "asm/asm.h"
#include "asm/charmap.h"
#include "asm/main.h"
#include "asm/output.h"
struct Charmap globalCharmap = {0};
extern struct Section *pCurrentSection;
int
readUTF8Char(char *dest, char *src)
{
uint32_t state;
uint32_t codep;
int i;
for (i = 0, state = 0;; i++) {
if (decode(&state, &codep, (uint8_t)src[i]) == 1) {
fatalerror("invalid UTF-8 character");
}
dest[i] = src[i];
i++;
if (state == 0) {
dest[i] = '\0';
return i;
}
dest[i] = src[i];
}
}
int
charmap_Add(char *input, UBYTE output)
{
int i;
size_t input_length;
char temp1i[CHARMAPLENGTH + 1], temp2i[CHARMAPLENGTH + 1], temp1o = 0,
temp2o = 0;
struct Charmap *charmap;
if (pCurrentSection) {
if (pCurrentSection->charmap) {
charmap = pCurrentSection->charmap;
} else {
if ((charmap = calloc(1, sizeof(struct Charmap))) ==
NULL) {
fatalerror("Not enough memory for charmap");
}
pCurrentSection->charmap = charmap;
}
} else {
charmap = &globalCharmap;
}
if (nPass == 2) {
return charmap->count;
}
if (charmap->count > MAXCHARMAPS || strlen(input) > CHARMAPLENGTH) {
return -1;
}
input_length = strlen(input);
if (input_length > 1) {
i = 0;
while (i < charmap->count + 1) {
if (input_length > strlen(charmap->input[i])) {
memcpy(temp1i, charmap->input[i],
CHARMAPLENGTH + 1);
memcpy(charmap->input[i], input, input_length);
temp1o = charmap->output[i];
charmap->output[i] = output;
i++;
break;
}
i++;
}
while (i < charmap->count + 1) {
memcpy(temp2i, charmap->input[i], CHARMAPLENGTH + 1);
memcpy(charmap->input[i], temp1i, CHARMAPLENGTH + 1);
memcpy(temp1i, temp2i, CHARMAPLENGTH + 1);
temp2o = charmap->output[i];
charmap->output[i] = temp1o;
temp1o = temp2o;
i++;
}
memcpy(charmap->input[charmap->count + 1], temp1i,
CHARMAPLENGTH + 1);
charmap->output[charmap->count + 1] = temp1o;
} else {
memcpy(charmap->input[charmap->count], input, input_length);
charmap->output[charmap->count] = output;
}
return ++charmap->count;
}
int
charmap_Convert(char **input)
{
struct Charmap *charmap;
char outchar[CHARMAPLENGTH + 1];
char *buffer;
int i, j, length;
if (pCurrentSection && pCurrentSection->charmap) {
charmap = pCurrentSection->charmap;
} else {
charmap = &globalCharmap;
}
if ((buffer = malloc(strlen(*input))) == NULL) {
fatalerror("Not enough memory for buffer");
}
length = 0;
while (**input) {
j = 0;
for (i = 0; i < charmap->count; i++) {
j = strlen(charmap->input[i]);
if (memcmp(*input, charmap->input[i], j) == 0) {
outchar[0] = charmap->output[i];
outchar[1] = 0;
break;
}
j = 0;
}
if (!j) {
j = readUTF8Char(outchar, *input);
}
if (!outchar[0]) {
buffer[length++] = 0;
} else {
for (i = 0; outchar[i]; i++) {
buffer[length++] = outchar[i];
}
}
*input += j;
}
*input = buffer;
return length;
}