hbc-FIX94/channel/channelapp/source/i18n.c
2016-11-23 14:35:12 +09:00

87 lines
2.0 KiB
C

#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <gctypes.h>
#include "../config.h"
struct mo_entry {
u32 length;
u32 offset;
} __attribute__((packed));
struct mo_hdr {
u32 magic;
u32 revision;
u32 count;
struct mo_entry *source;
struct mo_entry *target;
u32 hash_size;
void *hashes;
} __attribute__((packed));
static struct mo_hdr mo;
static int mo_inited = false;
static const char *mo_data = NULL;
#define MAGIC_SWAB 0xde120495
#define MAGIC 0x950412de
#define SWAB16(x) ((((x)>>8)&0xFF) | (((x)&0xFF)<<8))
#define SWAB32(x) ((SWAB16((x)&0xFFFF)<<16)|(SWAB16(((x)>>16)&0xFFFF)))
#define ENDIAN(x) ((mo.magic == MAGIC_SWAB) ? SWAB32(x) : (x))
void i18n_set_mo(const void *mo_file) {
mo_inited = true;
if(!mo_file) {
mo_data = NULL;
gprintf("i18n: unset mo file\n");
return;
}
memcpy(&mo, mo_file, sizeof(struct mo_hdr));
if(mo.magic == MAGIC_SWAB) {
mo.revision = SWAB32(mo.revision);
mo.count = SWAB32(mo.count);
mo.source = (struct mo_entry*)SWAB32((u32)mo.source);
mo.target = (struct mo_entry*)SWAB32((u32)mo.target);
mo.hash_size = SWAB32(mo.hash_size);
mo.hashes = (void*)SWAB32((u32)mo.magic);
} else if(mo.magic != MAGIC) {
gprintf("i18n: bad mo file magic 0x%08lx\n",mo.magic);
return;
}
if(mo.revision != 0)
gprintf("i18n: bad mo file revision 0x%08lx\n",mo.revision);
mo_data = (char*)mo_file;
mo.source = (struct mo_entry*)(mo_data + (u32)mo.source);
gprintf("i18n: configured mo file at %p\n",mo_data);
mo.target = (struct mo_entry*)(mo_data + (u32)mo.target);
}
const char *i18n(char *english_string) {
int i;
if(!mo_inited)
gprintf("i18n: warning: attempted to translate '%s' before init\n", english_string);
if(!mo_data)
return english_string;
for(i = 0; i < mo.count; i++) {
if(!strcmp(english_string, &mo_data[ENDIAN(mo.source[i].offset)]))
return &mo_data[ENDIAN(mo.target[i].offset)];
}
gprintf("i18n: could not find string for %s\n", english_string);
return english_string;
}
u32 i18n_have_mo(void) {
return mo_data ? 1 : 0;
}