text: /* Copyright (c) 2010-2015 Vanderbilt University
   * 
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #ifndef QUERY_STATEMENT_BUILDER_H
  #define QUERY_STATEMENT_BUILDER_H
  
  #include <string>
  
  #include "LibGatewayDataStore_Export.h"
  
  struct sqlite3;
  struct sqlite3_stmt;
  
  class LibGatewayDataStore_Export QueryStatementBuilder
  {
  public:
    QueryStatementBuilder (const std::string &params,
                           sqlite3 *db,
                           const char *query_stub);
  
    ~QueryStatementBuilder (void);
  
    // Accesses the (finished) query statement.
    sqlite3_stmt *query (void) const;
  
  protected:
    bool addFilter (const std::string &token,
                    const char *stub,
                    bool is_numeric,
                    bool is_lower_bound = true,
                    bool is_blob = false);
                    
  protected:
    const std::string &params_;
    sqlite3 *db_;
    sqlite3_stmt *stmt_;
    bool has_term_;
    std::string query_str_;
    std::string digits_;
  };
  
  #endif // QUERY_STATEMENT_BUILDER_H
  