/*
Apply all transformations in a list of transformations into a result string.
input_list = [{
type: TRANS_APPEND,
key: "a"
},
{
type: TRANS_TONE,
key: "s",
effect: TONE_ACUTE,
targets: [input_list[0]]
}]
output = "á"
*/
void flatten(bgstr output,
struct List *transList)
{
int output_index = 0;
struct ListItem *iterator = transList->first;
while (iterator != NULL) {
struct TransT trans = *((struct TransT *) iterator->item);
switch (trans.rule->type) {
case TRANS_APPEND:
bgstrAssign(output + output_index, trans.rule->key);
trans.dest_index = output_index;
output_index++; // Only TRANS_APPEND creates a new char
break;
case TRANS_TONE:
addToneToChar(output + trans.target->dest_index,
trans.rule->transMethod.tone);
break;
case TRANS_MARK:
addMarkToChar(output + trans.target->dest_index,
trans.rule->transMethod.mark);
break;
}
iterator = iterator->next;
}
}
int testAddToneToChar(void) {
initTestCase ("Add tone to char");
bgstr target = "a";
addToneToChar(target, TONE_ACUTE);
assertStr("á", target);
// Consonants should not be touched
bgstrAssign(target, "n");
addToneToChar(target, TONE_ACUTE);
assertStr("n", target);
// Should work with complex vowel
bgstrAssign(target, "ư");
addToneToChar(target, TONE_ACUTE);
assertStr("ứ", target);
// Should also change tone
bgstrAssign(target, "ứ");
addToneToChar(target, TONE_GRAVE);
assertStr("ừ", target);
return finishTestCase ();
}