/**
* Returns a map with variable bindings.
*
* @param opts main options
* @return bindings
*/
public static HashMap<String, String> bindings(final MainOptions opts) {
final HashMap<String, String> bindings = new HashMap<>();
final String bind = opts.get(MainOptions.BINDINGS).trim();
final StringBuilder key = new StringBuilder();
final StringBuilder val = new StringBuilder();
boolean first = true;
final int sl = bind.length();
for (int s = 0; s < sl; s++) {
final char ch = bind.charAt(s);
if (first) {
if (ch == '=') {
first = false;
} else {
key.append(ch);
}
} else {
if (ch == ',') {
if (s + 1 == sl || bind.charAt(s + 1) != ',') {
bindings.put(key.toString().trim(), val.toString());
key.setLength(0);
val.setLength(0);
first = true;
continue;
}
// literal commas are escaped by a second comma
s++;
}
val.append(ch);
}
}
if (key.length() != 0) bindings.put(key.toString().trim(), val.toString());
return bindings;
}
/**
* Binds a variable.
*
* @param name name of variable (if {@code null}, value will be bound as context value)
* @param value value to be bound
* @param type type
* @return reference
*/
public AQuery bind(final String name, final String value, final String type) {
vars.put(name, new String[] {value, type});
return this;
}