public static boolean isEmptyStatement(String sql) {
TokenSource tokens = getLexer(sql, ImmutableSet.<String>of());
while (true) {
Token token = tokens.nextToken();
if (token.getType() == Token.EOF) {
return true;
}
if (token.getChannel() != Token.HIDDEN_CHANNEL) {
return false;
}
}
}
public static String squeezeStatement(String sql) {
TokenSource tokens = getLexer(sql, ImmutableSet.<String>of());
StringBuilder sb = new StringBuilder();
while (true) {
Token token = tokens.nextToken();
if (token.getType() == Token.EOF) {
break;
}
if (token.getType() == SqlBaseLexer.WS) {
sb.append(' ');
} else {
sb.append(token.getText());
}
}
return sb.toString().trim();
}
public StatementSplitter(String sql, Set<String> delimiters) {
TokenSource tokens = getLexer(sql, delimiters);
ImmutableList.Builder<Statement> list = ImmutableList.builder();
StringBuilder sb = new StringBuilder();
while (true) {
Token token = tokens.nextToken();
if (token.getType() == Token.EOF) {
break;
}
if (token.getType() == SqlBaseParser.DELIMITER) {
String statement = sb.toString().trim();
if (!statement.isEmpty()) {
list.add(new Statement(statement, token.getText()));
}
sb = new StringBuilder();
} else {
sb.append(token.getText());
}
}
this.completeStatements = list.build();
this.partialStatement = sb.toString().trim();
}