move sqlhelper into util/. Add convenience methods

example/example.cpp

@@ -6,7 +6,7 @@
 #include "SQLParser.h"
 
 // contains printing utilities
-#include "sqlhelper.h"
+#include "util/sqlhelper.h"
 
 int main(int argc, char *argv[]) {
     if (argc <= 1) {

src/sql/SQLStatement.h

@@ -29,7 +29,9 @@ namespace hsql {
 
     virtual ~SQLStatement();
 
-    virtual StatementType type() const;
+    StatementType type() const;
+
+    bool isType(StatementType type) const;
 
    private:
     StatementType type_;

src/sql/statements.cpp

@@ -13,6 +13,10 @@ namespace hsql {
     return type_;
   }
 
+  bool SQLStatement::isType(StatementType type) const {
+    return (type_ == type);
+  }
+
   // ColumnDefinition
   ColumnDefinition::ColumnDefinition(char* name, DataType type) :
     name(name),

src/util/sqlhelper.h

@@ -1,7 +1,7 @@
-#ifndef __SQLHELPER_H__
-#define __SQLHELPER_H__
+#ifndef __SQLPARSER__SQLHELPER_H__
+#define __SQLPARSER__SQLHELPER_H__
 
-#include "sql/statements.h"
+#include "../sql/statements.h"
 
 namespace hsql {
 

test/sql_tests.cpp

@@ -3,9 +3,11 @@
  */
 
 #include "thirdparty/microtest/microtest.h"
-#include "sql_asserts.h"
+
 #include "SQLParser.h"
-#include "sqlhelper.h"
+#include "util/sqlhelper.h"
+
+#include "sql_asserts.h"
 
 using namespace hsql;
 

test/tpc_h_tests.cpp

@@ -1,7 +1,9 @@
 #include "thirdparty/microtest/microtest.h"
-#include "sql_asserts.h"
+
 #include "SQLParser.h"
-#include "sqlhelper.h"
+#include "util/sqlhelper.h"
+
+#include "sql_asserts.h"
 
 #include <string>
 #include <fstream>