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#include "lang.h"
#include "embedded.h"
#include <the_Foundation/sortedarray.h>
#include <the_Foundation/string.h>
iDeclareType(Lang)
iDeclareType(MsgStr)
struct Impl_MsgStr {
iRangecc id; /* these point to null-terminated strings in embedded data */
iRangecc str;
};
int cmp_MsgStr_(const void *e1, const void *e2) {
const iMsgStr *a = e1, *b = e2;
return cmpCStrNSc_Rangecc(a->id, b->id.start, size_Range(&b->id), &iCaseSensitive);
}
/*----------------------------------------------------------------------------------------------*/
struct Impl_Lang {
iSortedArray *messages;
};
static iLang lang_;
static void clear_Lang_(iLang *d) {
clear_SortedArray(d->messages);
}
static void load_Lang_(iLang *d, const char *id) {
/* Load compiled language strings from an embedded blob. */
iUnused(id);
const iBlock *data = equal_CStr(id, "fi") ? &blobFi_Embedded
: equal_CStr(id, "ru") ? &blobRu_Embedded
: &blobEn_Embedded;
iMsgStr msg;
for (const char *ptr = constBegin_Block(data); ptr != constEnd_Block(data); ptr++) {
msg.id.start = ptr;
while (*++ptr) {}
msg.id.end = ptr;
msg.str.start = ++ptr;
while (*++ptr) {}
msg.str.end = ptr;
/* Allocate the string. The data has already been sorted. */
pushBack_Array(&d->messages->values, &msg);
}
}
void init_Lang(void) {
iLang *d = &lang_;
d->messages = new_SortedArray(sizeof(iMsgStr), cmp_MsgStr_);
setCurrent_Lang("en");
}
void deinit_Lang(void) {
iLang *d = &lang_;
clear_Lang_(d);
delete_SortedArray(d->messages);
}
void setCurrent_Lang(const char *language) {
iLang *d = &lang_;
clear_Lang_(d);
load_Lang_(d, language);
}
static iBool find_Lang_(iRangecc msgId, iRangecc *str_out) {
const iLang *d = &lang_;
size_t pos;
const iMsgStr key = { .id = msgId };
if (locate_SortedArray(d->messages, &key, &pos)) {
*str_out = ((const iMsgStr *) at_SortedArray(d->messages, pos))->str;
return iTrue;
}
fprintf(stderr, "[Lang] missing: %s\n", cstr_Rangecc(msgId)); fflush(stderr);
// iAssert(iFalse);
*str_out = msgId;
return iFalse;
}
iRangecc range_Lang(iRangecc msgId) {
iRangecc str;
find_Lang_(msgId, &str);
return str;
}
const char *cstr_Lang(const char *msgId) {
return range_Lang(range_CStr(msgId)).start; /* guaranteed to be NULL-terminated */
}
const iString *string_Lang(const char *msgId) {
return collectNewRange_String(range_Lang(range_CStr(msgId)));
}
void translate_Lang(iString *textWithIds) {
for (const char *pos = cstr_String(textWithIds); *pos; ) {
iRangecc id;
id.start = strstr(pos, "${");
if (!id.start) {
break;
}
id.start += 2;
id.end = strchr(id.start, '}');
iAssert(id.end != NULL);
const size_t idLen = size_Range(&id);
iRangecc replacement;
const size_t startPos = id.start - cstr_String(textWithIds) - 2;
if (find_Lang_(id, &replacement)) {
/* Replace it. */
remove_Block(&textWithIds->chars, startPos, idLen + 3);
insertData_Block(&textWithIds->chars, startPos, replacement.start, size_Range(&replacement));
pos = cstr_String(textWithIds) + startPos + size_Range(&replacement);
}
else {
remove_Block(&textWithIds->chars, startPos, 1); /* skip on subsequent attempts */
pos = cstr_String(textWithIds) + startPos + idLen;
}
}
}
const char *translateCStr_Lang(const char *textWithIds) {
if (strstr(textWithIds, "${") == NULL) {
return textWithIds; /* nothing to replace */
}
iString *text = collectNewCStr_String(textWithIds);
translate_Lang(text);
return cstr_String(text);
}
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