1/*
2 * Legal Notice
3 *
4 * This document and associated source code (the "Work") is a part of a
5 * benchmark specification maintained by the TPC.
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9 * and trademark rights therein.
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11 * No Warranty
12 *
13 * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
14 * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
15 * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
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17 * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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22 * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
23 * WITH REGARD TO THE WORK.
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28 * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
29 * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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32 *
33 * Contributors
34 * - Doug Johnson
35 */
36
37#include "input/StreamSplitter.h"
38
39#include <sstream>
40#include <stdexcept>
41
42using namespace TPCE;
43
44StreamSplitter::StreamSplitter(std::istream &textStream, char recordDelimiter, char fieldDelimiter)
45 : recordDelim(recordDelimiter), fieldDelim(fieldDelimiter), stream(textStream) {
46}
47
48//
49// ITextSplitter implementation
50//
51
52bool StreamSplitter::eof() const {
53 return stream.eof();
54}
55
56std::deque<std::string> StreamSplitter::getNextRecord() {
57 std::string recordString;
58 std::getline(stream, recordString, recordDelim);
59
60 std::deque<std::string> fields;
61 std::istringstream recordStream(recordString);
62
63 // Either or both of eof and fail can occur so check
64 // for both.
65 while (!recordStream.eof() && !recordStream.fail()) {
66 std::string field;
67 std::getline(recordStream, field, fieldDelim);
68 fields.push_back(field);
69 }
70
71 // Fail can get set on eof which we don't want to treat
72 // as a failure. So instead of testing for fail we test
73 // for !eof.
74 if (!recordStream.eof()) {
75 throw std::runtime_error("Error reading record from stream.");
76 }
77
78 return fields;
79}
80