src/pipe.cc

   1 ///
   2 /// \file       pipe.cc
   3 ///             Connector class to join parsers and builders together
   4 ///
   5
   6 /*
   7     Copyright (C) 2010-2011, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include "pipe.h"
  23
  24 namespace Barry {
  25
  26 Pipe::Pipe(Builder &builder)
  27         : m_builder(builder)
  28 {
  29 }
  30
  31 Pipe::~Pipe()
  32 {
  33 }
  34
  35 bool Pipe::PumpEntry(Parser &parser, const IConverter *ic)
  36 {
  37         // if false, end of series, so pass that on to the caller
  38         if( !m_builder.FetchRecord(m_buffer, ic) )
  39                 return false;
  40
  41         // pass the data into the parser
  42         parser.ParseRecord(m_buffer, ic);
  43         return true;
  44 }
  45
  46 /// Reads all items from builder, feeding them into the parser,
  47 /// until the builder's Retrieve() signals the end of the series.
  48 void Pipe::PumpSeries(Parser &parser, const IConverter *ic)
  49 {
  50         while( PumpEntry(parser, ic) )
  51                 ;
  52 }
  53
  54 /// Reads all series from the builder, feeding them into the parser,
  55 /// until the builder's EndOfFile() is true.
  56 void Pipe::PumpFile(Parser &parser, const IConverter *ic)
  57 {
  58         while( !m_builder.EndOfFile() ) {
  59                 PumpSeries(parser, ic);
  60         }
  61 }
  62
  63 } // namespace Barry
  64