bool
SV_StringIsValid (SVString self)
{
assert(self);
for (size_t i = 0, ie = CD_StringLength(self); i < ie; i++) {
bool has = false;
CDString* ch = CD_CharAt(self, i);
for (size_t h = 0, he = CD_UTF8_strlen(SVCharset); h < he; h++) {
const char* che = &SVCharset[CD_UTF8_offset(SVCharset, h)];
if (strncmp(CD_StringContent(ch), che, CD_StringSize(ch)) == 0) {
has = true;
break;
}
}
if (!has && !(strncmp(CD_StringContent(ch), "§", 2) == 0 && i < ie - 2)) {
CD_DestroyString(ch);
return false;
}
CD_DestroyString(ch);
}
return true;
}
CDString*
CD_CreateStringFromOffset (CDString* string, size_t offset, size_t limit)
{
const char* data;
assert(string);
if (offset >= CD_StringLength(string)) {
return NULL;
}
data = CD_StringContent(string) + CD_UTF8_offset(CD_StringContent(string), offset);
if (limit == 0) {
limit = strlen(data);
}
else {
limit = CD_UTF8_offset(data, limit);
}
return CD_CreateStringFromBufferCopy(data, limit);
}
CDString*
CD_InsertString (CDString* self, CDString* insert, size_t position)
{
assert(self);
assert(insert);
cd_MakeStringInternal(self);
if (binsert(self->raw, CD_UTF8_offset(CD_StringContent(self), position), insert->raw, '\0') == BSTR_OK) {
cd_UpdateLength(self);
}
else {
self = NULL;
}
return self;
}
CDString*
CD_CharAtSet (CDString* self, size_t index, CDString* set)
{
assert(self);
cd_MakeStringInternal(self);
size_t offset = CD_UTF8_offset((const char*) self->raw->data, index);
if (breplace(self->raw, offset, cd_UTF8_nextCharLength(self->raw->data[offset]), set->raw, '\0') == BSTR_OK) {
cd_UpdateLength(self);
}
else {
self = NULL;
}
return self;
}
SVString
SV_StringSanitize (SVString self)
{
CDString* result = CD_CreateString();
assert(self);
for (size_t i = 0, ie = CD_StringLength(self); i < ie; i++) {
bool has = false;
CDString* ch = CD_CharAt(self, i);
for (size_t h = 0, he = CD_UTF8_strlen(SVCharset); h < he; h++) {
const char* che = &SVCharset[CD_UTF8_offset(SVCharset, h)];
if (strncmp(CD_StringContent(ch), che, CD_StringSize(ch)) == 0) {
has = true;
break;
}
}
if (i == ie - 2 && strncmp(CD_StringContent(ch), "§", 2) == 0){
CD_DestroyString(ch);
break;
}
if (has || strncmp(CD_StringContent(ch), "§", 2) == 0) {
CD_AppendString(result, ch);
}
else {
CD_AppendCString(result, "?");
}
CD_DestroyString(ch);
}
self->length = CD_UTF8_strnlen(CD_StringContent(self), self->raw->slen);
return result;
}