pipe.cc

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00001 ///
00002 /// \file       pipe.cc
00003 ///             Connector class to join parsers and builders together
00004 ///
00005 
00006 /*
00007     Copyright (C) 2010-2012, Net Direct Inc. (http://www.netdirect.ca/)
00008 
00009     This program is free software; you can redistribute it and/or modify
00010     it under the terms of the GNU General Public License as published by
00011     the Free Software Foundation; either version 2 of the License, or
00012     (at your option) any later version.
00013 
00014     This program is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00017 
00018     See the GNU General Public License in the COPYING file at the
00019     root directory of this project for more details.
00020 */
00021 
00022 #include "pipe.h"
00023 
00024 namespace Barry {
00025 
00026 Pipe::Pipe(Builder &builder)
00027         : m_builder(builder)
00028 {
00029 }
00030 
00031 Pipe::~Pipe()
00032 {
00033 }
00034 
00035 bool Pipe::PumpEntry(Parser &parser, const IConverter *ic)
00036 {
00037         // if false, end of series, so pass that on to the caller
00038         if( !m_builder.FetchRecord(m_buffer, ic) )
00039                 return false;
00040 
00041         // pass the data into the parser
00042         parser.ParseRecord(m_buffer, ic);
00043         return true;
00044 }
00045 
00046 /// Reads all items from builder, feeding them into the parser,
00047 /// until the builder's Retrieve() signals the end of the series.
00048 void Pipe::PumpSeries(Parser &parser, const IConverter *ic)
00049 {
00050         while( PumpEntry(parser, ic) )
00051                 ;
00052 }
00053 
00054 /// Reads all series from the builder, feeding them into the parser,
00055 /// until the builder's EndOfFile() is true.
00056 void Pipe::PumpFile(Parser &parser, const IConverter *ic)
00057 {
00058         while( !m_builder.EndOfFile() ) {
00059                 PumpSeries(parser, ic);
00060         }
00061 }
00062 
00063 } // namespace Barry
00064