CCSVParse Class Reference

A class to parse Comma Seperated Values input. More...

#include <CSVParse.h>

List of all members.

Public Member Functions
void	CloseFile ()
bool	OpenFile (string inFile, string sep)
	CCSVParse ()
virtual	~CCSVParse ()
int	getline (string &)
string	getfield (int n)
int	getnfield () const
Private Member Functions
int	split ()
int	endofline (char)
int	advplain (const string &line, string &fld, int)
int	advquoted (const string &line, string &fld, int)
Private Attributes
ifstream	fin
string	line
vector< string >	field
int	nfield
string	fieldsep

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Detailed Description

A class to parse Comma Seperated Values input.

Definition at line 26 of file CSVParse.h.

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Constructor & Destructor Documentation

CCSVParse::CCSVParse

(

)

Definition at line 19 of file CSVParse.cpp.

{
                
}

CCSVParse::~CCSVParse

(

)

[virtual]

Definition at line 24 of file CSVParse.cpp.

{

}

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Member Function Documentation

void CCSVParse::CloseFile

(

)

Definition at line 40 of file CSVParse.cpp.

References fin.

Referenced by CConfigData::ExtractData().

{
        fin.close();
}

bool CCSVParse::OpenFile	(	string	inFile,
		string	sep
	)

Definition at line 29 of file CSVParse.cpp.

References fieldsep, and fin.

Referenced by CConfigData::ReadData().

{
        fin.open( inFile.c_str(), ios::in );

        if(!fin)
                return false;
        
        fieldsep = sep;
        return true;
}

int CCSVParse::getline

(

string &

str

)

Definition at line 60 of file CSVParse.cpp.

References endofline(), fin, line, and split().

Referenced by CConfigData::GetNextDataLine().

{       
        char c;

        for (line = ""; fin.get(c) && !endofline(c); )
                line += c;
        split();
        str = line;
        return !fin.eof();
}

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string CCSVParse::getfield

(

int

n

)

Definition at line 132 of file CSVParse.cpp.

References field, and nfield.

Referenced by CConfigData::stringToColour().

{
        if (n < 0 || n >= nfield)
                return "";
        else
                return field[n];
}

int CCSVParse::getnfield

(

)

const [inline]

Definition at line 37 of file CSVParse.h.

References nfield.

{ return nfield; }

int CCSVParse::split

(

)

[private]

Definition at line 72 of file CSVParse.cpp.

References advplain(), advquoted(), field, line, and nfield.

Referenced by getline().

{
        string fld;
        int i, j;

        nfield = 0;
        if (line.length() == 0)
                return 0;
        i = 0;

        do {
                if (i < line.length() && line[i] == '"')
                        j = advquoted(line, fld, ++i);  // skip quote
                else
                        j = advplain(line, fld, i);
                if (nfield >= field.size())
                        field.push_back(fld);
                else
                        field[nfield] = fld;
                nfield++;
                i = j + 1;
        } while (j < line.length());

        return nfield;
}

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int CCSVParse::endofline

(

char

c

)

[private]

Definition at line 46 of file CSVParse.cpp.

References fin.

Referenced by getline().

{
        int eol;

        eol = (c=='\r' || c=='\n');
        if (c == '\r') {
                fin.get(c);
                if (!fin.eof() && c != '\n')
                        fin.putback(c); // read too far
        }
        return eol;
}

int CCSVParse::advplain	(	const string &	line,
		string &	fld,
		int	i
	)			[private]

Definition at line 119 of file CSVParse.cpp.

References fieldsep.

Referenced by split().

{
        int j;

        j = s.find_first_of(fieldsep, i); // look for separator
        if (j > s.length())               // none found
                j = s.length();
        fld = string(s, i, j-i);
        return j;
}

int CCSVParse::advquoted	(	const string &	line,
		string &	fld,
		int	i
	)			[private]

Definition at line 99 of file CSVParse.cpp.

References fieldsep.

Referenced by split().

{
        int j;

        fld = "";
        for (j = i; j < s.length(); j++) {
                if (s[j] == '"' && s[++j] != '"') {
                        int k = s.find_first_of(fieldsep, j);
                        if (k > s.length())     // no separator found
                                k = s.length();
                        for (k -= j; k-- > 0; )
                                fld += s[j++];
                        break;
                }
                fld += s[j];
        }
        return j;
}

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Member Data Documentation

ifstream CCSVParse::fin [private]

Definition at line 40 of file CSVParse.h.

Referenced by CloseFile(), endofline(), getline(), and OpenFile().

string CCSVParse::line [private]

Definition at line 41 of file CSVParse.h.

Referenced by getline(), and split().

vector<string> CCSVParse::field [private]

Definition at line 42 of file CSVParse.h.

Referenced by getfield(), and split().

int CCSVParse::nfield [private]

Definition at line 43 of file CSVParse.h.

Referenced by getfield(), getnfield(), and split().

string CCSVParse::fieldsep [private]

Definition at line 44 of file CSVParse.h.

Referenced by advplain(), advquoted(), and OpenFile().

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The documentation for this class was generated from the following files:

• D:/~Research/Code/C++/EvolveTraffic/CSVParse.h
• D:/~Research/Code/C++/EvolveTraffic/CSVParse.cpp