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Change the .lng files to contain strings from multiple users. Still hard-coded to only output the core strings for now. Should be the majority of the core changes needed for translatable plugins.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23241 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tom Ross 2009-10-18 00:56:42 +00:00
parent bde0231803
commit ec2737b2c2
7 changed files with 108 additions and 55 deletions
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78
apps/language.c
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@ -37,10 +37,11 @@
/* These defines must match the initial bytes in the binary lang file */
/* See tools/genlang (TODO: Use common include for both) */
#define LANGUAGE_COOKIE 0x1a
#define LANGUAGE_VERSION 0x05
#define LANGUAGE_VERSION 0x06
#define LANGUAGE_FLAG_RTL 0x01
#define HEADER_SIZE 4
#define SUBHEADER_SIZE 6
static unsigned char language_buffer[MAX_LANGUAGE_SIZE];
static unsigned char lang_options = 0;
@ -54,52 +55,62 @@ void lang_init(const unsigned char *builtin, unsigned char **dest, int count)
}
}
int lang_load(const char *filename)
int lang_load(const char *filename, const unsigned char *builtin,
unsigned char **dest, unsigned char *buffer,
unsigned int user_num, int max_lang_size,
unsigned int max_id)
{
int fsize;
int lang_size;
int fd = open(filename, O_RDONLY);
int retcode=0;
unsigned char lang_header[HEADER_SIZE];
unsigned char sub_header[SUBHEADER_SIZE];
unsigned int id, num_strings, foffset;
if(fd < 0)
return 1;
fsize = filesize(fd) - HEADER_SIZE;
if(fsize <= MAX_LANGUAGE_SIZE) {
read(fd, lang_header, HEADER_SIZE);
if((lang_header[0] == LANGUAGE_COOKIE) &&
(lang_header[1] == LANGUAGE_VERSION) &&
(lang_header[2] == TARGET_ID)) {
read(fd, language_buffer, MAX_LANGUAGE_SIZE);
unsigned char *ptr = language_buffer;
int id;
read(fd, lang_header, HEADER_SIZE);
if((lang_header[0] == LANGUAGE_COOKIE) &&
(lang_header[1] == LANGUAGE_VERSION) &&
(lang_header[2] == TARGET_ID)) {
/* jump to the proper entry in the table of subheaders */
lseek(fd, user_num * SUBHEADER_SIZE, SEEK_CUR);
read(fd, sub_header, SUBHEADER_SIZE);
/* read in information about the requested lang */
num_strings = (sub_header[0]<<8) | sub_header[1];
lang_size = (sub_header[2]<<8) | sub_header[3];
foffset = (sub_header[4]<<8) | sub_header[5];
if(lang_size <= max_lang_size) {
/* initialize with builtin */
lang_init(language_builtin, language_strings,
LANG_LAST_INDEX_IN_ARRAY);
lang_init(builtin, dest, num_strings);
lseek(fd, foffset, SEEK_SET);
read(fd, buffer, lang_size);
while(fsize>3) {
id = (ptr[0]<<8) | ptr[1]; /* get two-byte id */
ptr+=2; /* pass the id */
if(id < LANG_LAST_INDEX_IN_ARRAY) {
while(lang_size>3) {
id = ((buffer[0]<<8) | buffer[1]); /* get two-byte id */
buffer += 2; /* pass the id */
if(id < max_id) {
#if 0
DEBUGF("%2x New: %30s ", id, ptr);
DEBUGF("Replaces: %s\n", language_strings[id]);
DEBUGF("%2x New: %30s ", id, buffer);
DEBUGF("Replaces: %s\n", dest[id]);
#endif
language_strings[id] = ptr; /* point to this string */
dest[id] = buffer; /* point to this string */
}
while(*ptr) { /* pass the string */
fsize--;
ptr++;
}
fsize-=3; /* the id and the terminating zero */
ptr++; /* pass the terminating zero-byte */
while(*buffer) { /* pass the string */
lang_size--;
buffer++;
}
lang_size-=3; /* the id and the terminating zero */
buffer++; /* pass the terminating zero-byte */
}
}
else {
DEBUGF("Illegal language file\n");
DEBUGF("Language %s too large: %d\n", filename, lang_size);
retcode = 2;
}
}
else {
DEBUGF("Language %s too large: %d\n", filename, fsize);
DEBUGF("Illegal language file\n");
retcode = 3;
}
close(fd);
@ -107,10 +118,17 @@ int lang_load(const char *filename)
return retcode;
}
int lang_core_load(const char *filename)
{
return lang_load(filename, core_language_builtin, language_strings,
language_buffer, 0, MAX_LANGUAGE_SIZE,
LANG_LAST_INDEX_IN_ARRAY);
}
int lang_english_to_id(const char *english)
{
int i;
unsigned char *ptr = (unsigned char *) language_builtin;
unsigned char *ptr = (unsigned char *) core_language_builtin;
for (i = 0; i < LANG_LAST_INDEX_IN_ARRAY; i++) {
if (!strcmp(ptr, english))