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MariaDBStringVisitor.java
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179 lines (160 loc) · 4.4 KB
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package sqlancer.mariadb.ast;
import java.util.List;
public class MariaDBStringVisitor extends MariaDBVisitor {
private final StringBuilder sb = new StringBuilder();
@Override
public void visit(MariaDBConstant c) {
sb.append(c.toString());
}
public String getString() {
return sb.toString();
}
@Override
public void visit(MariaDBPostfixUnaryOperation op) {
sb.append("(");
visit(op.getRandomWhereCondition());
sb.append(" ");
sb.append(op.getOperator().getTextRepresentation());
sb.append(")");
}
@Override
public void visit(MariaDBColumnName c) {
sb.append(c.getColumn().getFullQualifiedName());
}
@Override
public void visit(MariaDBSelectStatement s) {
sb.append("SELECT ");
int i = 0;
for (MariaDBExpression column : s.getColumns()) {
if (i++ != 0) {
sb.append(", ");
}
visit(column);
}
sb.append(" FROM ");
for (int j = 0; j < s.getFromList().size(); j++) {
if (j != 0) {
sb.append(", ");
}
visit(s.getFromList().get(j));
}
for (MariaDBExpression j : s.getJoinClauses()) {
visit(j);
}
if (s.getWhereCondition() != null) {
sb.append(" WHERE ");
visit(s.getWhereCondition());
}
if (!s.getGroupBys().isEmpty()) {
sb.append(" GROUP BY ");
for (i = 0; i < s.getGroupBys().size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(s.getGroupBys().get(i));
}
}
}
@Override
public void visit(MariaDBText t) {
if (t.isPrefix()) {
sb.append(t.getText());
visit(t.getExpr());
} else {
visit(t.getExpr());
sb.append(t.getText());
}
}
@Override
public void visit(MariaDBAggregate aggr) {
sb.append(aggr.getAggr());
sb.append("(");
visit(aggr.getExpr());
sb.append(")");
}
@Override
public void visit(MariaDBBinaryOperator comp) {
sb.append("(");
visit(comp.getLeft());
sb.append(" ");
sb.append(comp.getOp().getTextRepresentation());
sb.append(" ");
visit(comp.getRight());
sb.append(")");
}
@Override
public void visit(MariaDBUnaryPrefixOperation op) {
sb.append("(");
sb.append(op.getOp().textRepresentation);
sb.append(" ");
visit(op.getExpr());
sb.append(")");
}
@Override
public void visit(MariaDBFunction func) {
sb.append(func.getFunc().getFunctionName());
sb.append("(");
for (int i = 0; i < func.getArgs().size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(func.getArgs().get(i));
}
sb.append(")");
}
@Override
public void visit(MariaDBInOperation op) {
sb.append("(");
visit(op.getExpr());
if (op.isNegated()) {
sb.append(" NOT");
}
sb.append(" IN (");
visitList(op.getList());
sb.append("))");
}
private void visitList(List<MariaDBExpression> list) {
for (int i = 0; i < list.size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(list.get(i));
}
}
@Override
public void visit(MariaDBJoin join) {
sb.append(" ");
switch (join.getType()) {
case NATURAL:
sb.append("NATURAL ");
break;
case INNER:
sb.append("INNER ");
break;
case STRAIGHT:
sb.append("STRAIGHT_");
break;
case LEFT:
sb.append("LEFT ");
break;
case RIGHT:
sb.append("RIGHT ");
break;
case CROSS:
sb.append("CROSS ");
break;
default:
throw new AssertionError(join.getType());
}
sb.append("JOIN ");
sb.append(join.getTable().getName());
if (join.getOnClause() != null) {
sb.append(" ON ");
visit(join.getOnClause());
}
}
@Override
public void visit(MariaDBTableReference ref) {
sb.append(ref.getTable().getName());
}
}