aboutsummaryrefslogtreecommitdiff
path: root/src/csvreader.cpp
blob: 22b0608a83b93d55dac69f378e921097a6e01119 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (C) 2007-2010 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#include "bu/csvreader.h"
#include "bu/stream.h"

#include "bu/sio.h"
using namespace Bu;

Bu::CsvReader::CsvReader( Bu::Stream &sIn, Bu::CsvReader::Style eStyle ) :
	sIn( sIn )
{
	switch( eStyle )
	{
		case styleExcel:
			sDecode = Bu::slot( &decodeExcel );
			break;

		case styleC:
			sDecode = Bu::slot( &decodeC );
			break;
	}
}

Bu::CsvReader::CsvReader( Bu::Stream &sIn,
		Bu::CsvReader::DecodeSignal sDecode ) :
	sIn( sIn ),
	sDecode( sDecode )
{
}

Bu::CsvReader::~CsvReader()
{
}

Bu::StrArray Bu::CsvReader::readLine()
{
	Bu::StrArray aVals;

	Bu::String sLine = sIn.readLine();

	if( !sLine.isSet() )
		return Bu::StrArray();

	Bu::String::iterator i = sLine.begin();

	aVals.append( sDecode( i ) );

	while( i )
	{
		if( *i == ',' )
		{
			i++;
			if( !i )
			{
				aVals.append("");
				break;
			}
			aVals.append( sDecode( i ) );
		}
		else
		{
			// Blanks and stuff?
			sio << "Out of bound:  '" << *i << "'" << sio.nl;
			i++;
		}
	}

	return aVals;
}

Bu::String Bu::CsvReader::decodeExcel( Bu::String::iterator &i )
{
	Bu::String sRet;

	for(; i && (*i == ' ' || *i == '\t'); i++ ) { }
	
	if( !i )
		return sRet;

	if( *i == '\"' )
	{
		for( i++ ; i; i++ )
		{
			if( *i == '\"' )
			{
				i++;
				if( !i )
				{
					return sRet;
				}
				else if( *i == '\"' )
				{
					sRet += *i;
				}
				else
				{
					return sRet;
				}
			}
			else
			{
				sRet += *i;
			}
		}
	}
	else
	{
		for( ; i; i++ )
		{
			if( *i == ',' )
			{
				return sRet;
			}
			sRet += *i;
		}
	}

	return sRet;
}

Bu::String Bu::CsvReader::decodeC( Bu::String::iterator & )
{
	return "";
}