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#include "bbs.h"
/* Created by Chia-Kuang Yu, Apr 26th, 2004 */
#define MAX_LANGFILE_SIZE (512 * 1024)
#define MAX_STRING_LEN 4096
#define MAX_BUFFER_SIZE (MAX_LANG * MAX_STRING * 20)
#ifdef I18N
int parse_hex(unsigned char *buf, unsigned char *ret) {
unsigned char table[] = "0123456789ABCDEF";
unsigned char digit[2];
char ptr[2];
digit[0] = toupper(*buf);
digit[1] = toupper(*(buf + 1));
if ((ptr[0] = strchr(table, digit[0])) &&
(ptr[1] = strchr(table, digit[1]))) {
*ret = (char)((ptr[0] - table) << 4 + (ptr[1] - table));
return 0;
}
return -1;
}
int parse_oct(unsigned char *buf, unsigned char *ret) {
int i;
*ret = 0;
for (i = 0; i < 3; i++) {
if (buf[i] - '0' < 0 && buf[i] - '0' > 8)
return -1;
*ret = (char)(*ret * 8 + buf[i] - '0');
}
return 0;
}
unsigned char parse_escape(char *buf, int *length) {
unsigned char input[] = "abfnrtv\\?'\"";
unsigned char output[] = "\a\b\f\n\r\t\v\\\?\'\"";
unsigned char ret = *buf;
*length = 1;
for (unsigned char *ptr = input; *ptr != 0; ptr++)
if (*buf == *ptr)
return output[ptr - input];
/* hexidecimal number*/
if (*buf == 'x')
if (parse_hex(buf + 1, &ret) != -1)
length = 2;
/* octal number */
else if(isdigit(*buf))
if (parse_oct(buf, &ret) != -1)
length = 3;
return ret;
}
void load_language(char *filename, char *lang_str[MAX_STRING], int *_offset) {
int i, num_string, string_index, filesize;
int inside_string, digit, length;
char *buf, *start, temp[256];
char escape_sequence;
FILE *f;
char *p_str_head = SHM->i18nstrbody;
int offset = *_offset;
sprintf (temp, "~bbs/etc/%s", filename);
f = fopen(temp, "r");
if (f) {
if ((buf = (char *)(malloc(sizeof(char) * MAX_LANGFILE_SIZE)))) {
num_string = string_index = 0;
memset(lang_str, 0, sizeof(char *) * MAX_STRING);
filesize = fread(buf, 1, MAX_LANGFILE_SIZE, f);
inside_string = string_index = 0;
for (i = 0; i < filesize; i++) {
if (isdigit(buf[i]) && inside_string == FALSE) {
string_index = string_index * 10 + buf[i] - '0';
digit++;
}
else if (buf[i] == '"' && inside_string == FALSE) {
inside_string = TRUE;
start = p_str_head + offset;
continue;
}
else if (inside_string == TRUE
&& buf[i] == '"' && buf[i -1] == '\\' && buf[i - 2] != '\\') {
}
else if (i < filesize - 1 && buf[i] == '\\' && buf[i + 1] == '\n') {
i++;
continue;
}
else if (buf[i] == '"' && inside_string == TRUE) {
inside_string = FALSE;
p_str_head[offset] = 0;
if (string_index >= 0 && string_index < MAX_STRING) {
lang_str[string_index] = start;
}
string_index = 0;
offset++;
continue;
}
else if (buf[i] == '\\' && inside_string == TRUE) {
escape_sequence = parse_escape(buf + i + 1, &length);
i += length;
buf[i] = escape_sequence;
}
if (inside_string == TRUE) {
if (offset < MAX_BUFFER_SIZE) {
p_str_head[offset] = buf[i];
offset++;
}
}
}
for (i = 0; i < MAX_STRING; i++)
if (lang_str[i] == 0)
lang_str[i] = p_str_head;
free(buf);
}
else
printf("Warning: out of memory!!\n");
fclose(f);
}
else {
printf ("Warning: %s doesn't exist!!\n", buf);
}
*_offset = offset;
}
char *lang_file[] = {LANG_FILE};
void load_i18nstring() {
int i, offset;
*SHM->i18nstrbody = 0;
offset = 1;
for (i = 0; i < MAX_LANG; i++)
load_language(lang_file[i], SHM->i18nstr[i], &offset);
}
#endif
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