static bool hasJsonValue(sajson::value jsonObject, const char* key, sajson::type expectedType) {
size_t index = jsonObject.find_object_key(sajson::literal(key));
if (index == jsonObject.get_length()) {
return false;
}
sajson::value value = jsonObject.get_object_value(index);
return value.get_type() == expectedType;
}
double traverse_sajson(const sajson::value &v)
{
double x = 0;
switch (v.get_type())
{
case sajson::TYPE_DOUBLE:
x += v.get_double_value();
break;
case sajson::TYPE_INTEGER:
x += v.get_integer_value();
break;
case sajson::TYPE_ARRAY:
for (size_t i = 0; i < v.get_length(); ++i)
{
x += traverse_sajson(v.get_array_element(i));
}
break;
case sajson::TYPE_OBJECT:
for (size_t i = 0; i < v.get_length(); ++i)
{
x += traverse_sajson(v.get_object_value(i));
}
break;
default:
return 0;
}
return x;
}
static vector<string> extractClassPath(const sajson::value& classPath) {
size_t count = classPath.get_length();
vector<string> paths;
for (size_t cp = 0; cp < count; cp++) {
string classPathURL = classPath.get_array_element(cp).as_string();
// TODO: don't just test for file extension
if (classPathURL.rfind(".txt") != classPathURL.length() - 4) {
paths.push_back(classPathURL);
} else {
ifstream txt(classPathURL.c_str());
string line;
while (!txt.eof()) {
txt >> line;
if (line.find("-classpath") == 0) {
txt >> line;
istringstream iss(line);
string path;
while (getline(iss, path, __CLASS_PATH_DELIM)) {
paths.push_back(path);
}
break;
}
}
txt.close();
}
}
static sajson::value getJsonValue(sajson::value jsonObject, const char* key) {
size_t index = jsonObject.find_object_key(sajson::literal(key));
return jsonObject.get_object_value(index);
}