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comparison BEDTools-Version-2.14.3/src/utils/tabFile/tabFile.h @ 0:dfcd8b6c1bda

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author aaronquinlan
date Thu, 03 Nov 2011 10:25:04 -0400
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1 /*****************************************************************************
2 tabFile.h
3
4 (c) 2009 - Aaron Quinlan
5 Hall Laboratory
6 Department of Biochemistry and Molecular Genetics
7 University of Virginia
8 aaronquinlan@gmail.com
9
10 Licensed under the GNU General Public License 2.0 license.
11 ******************************************************************************/
12 #ifndef TABFILE_H
13 #define TABFILE_H
14
15 #include "gzstream.h"
16 #include <vector>
17 #include <string>
18 #include <iostream>
19
20 using namespace std;
21
22 // enum to flag the state of a given line in a TAB file.
23 enum TabLineStatus
24 {
25 TAB_INVALID = -1,
26 TAB_HEADER = 0,
27 TAB_BLANK = 1,
28 TAB_VALID = 2
29 };
30
31 typedef vector<string> TAB_FIELDS;
32
33 //************************************************
34 // TabFile Class methods and elements
35 //************************************************
36 class TabFile {
37
38 public:
39
40 // Constructor
41 TabFile(const string &tabFile);
42
43 // Destructor
44 ~TabFile(void);
45
46 // Open a TAB file for reading (creates an istream pointer)
47 void Open(void);
48
49 // Close an opened TAB file.
50 void Close(void);
51
52 // Get the next TAB entry in an opened TAB file.
53 TabLineStatus GetNextTabLine (TAB_FIELDS &tab, int &lineNum);
54
55 private:
56
57 // data
58 istream *_tabStream;
59 string _tabFile;
60
61 // methods
62 inline TabLineStatus parseTabLine (const vector<string> &lineVector, int &lineNum) {
63 // bail out if we have a blank line
64 if (lineVector.size() == 0)
65 return TAB_BLANK;
66 // real line with data
67 if (lineVector[0][0] != '#') {
68 return TAB_VALID;
69 }
70 // comment or header line
71 else {
72 lineNum--;
73 return TAB_HEADER;
74 }
75 // default
76 return TAB_INVALID;
77 }
78 };
79
80 #endif /* TABFILE_H */