void unescape(std::string &str, char toUnescape)
{
size_t pos;
string escaped = escapeCharacter(toUnescape);
while ((pos = str.find(escaped)) != string::npos)
{
str = str.replace(pos, escaped.size(), string(1, toUnescape));
}
}
void jsfGetEscapedString(JsVar *var, vcbprintf_callback user_callback, void *user_data) {
user_callback("\"",user_data);
JsvStringIterator it;
jsvStringIteratorNew(&it, var, 0);
while (jsvStringIteratorHasChar(&it)) {
char ch = jsvStringIteratorGetChar(&it);
user_callback(escapeCharacter(ch), user_data);
jsvStringIteratorNext(&it);
}
jsvStringIteratorFree(&it);
user_callback("\"",user_data);
}
void escape(std::string &str, char toEscape)
{
//cannot escape string that contains the escaped sequence already because the mapping is not one-to-one anymore
string unescaped = str;
unescape(unescaped, toEscape);
if (unescaped != str)
{
throw exception();
}
//
size_t pos;
string escaped = escapeCharacter(toEscape);
while ((pos = str.find(toEscape)) != string::npos)
{
str = str.replace(pos, 1, escaped);
}
}
