mlisp/stdlib/csvparser.cpp

69 lines
1.5 KiB
C++

#include "csvparser.h"
CsvParser::CsvParser(bool skip_hdr, char field_sep, char quote_ch, char line_sep, char line_sep2) {
skip_header = skip_hdr;
field_separator = field_sep;
quote_character = quote_ch;
line_separator = line_sep;
line_separator2 = line_sep2;
header_skiped = false;
}
void CsvParser::parseCSV(const std::string &csvSource, std::vector< std::vector<std::string> > &lines) {
bool inQuote(false);
bool newLine(false);
std::string field;
lines.clear();
std::vector<std::string> line;
std::string::const_iterator aChar = csvSource.begin();
while (aChar != csvSource.end()) {
if (*aChar == quote_character) {
newLine = false;
inQuote = !inQuote;
} else if (*aChar == field_separator) {
newLine = false;
if (inQuote == true) {
field += *aChar;
} else {
line.push_back(field);
field.clear();
}
} else if (*aChar == line_separator || *aChar == line_separator2) {
if (inQuote == true) {
field += *aChar;
} else {
if (newLine == false) {
line.push_back(field);
addLine(line, lines);
field.clear();
line.clear();
newLine = true;
}
}
} else {
newLine = false;
field.push_back(*aChar);
}
aChar++;
}
if (field.size())
line.push_back(field);
addLine(line, lines);
}
void CsvParser::addLine(const std::vector<std::string> &line, std::vector< std::vector<std::string> > &lines) {
if (skip_header && !header_skiped) {
header_skiped = true;
} else {
if (line.size())
lines.push_back(line);
}
}