Function parseEntry

src/e9tool/e9csv.cpp:128–185

* Parse a CSV entry. */

 * Parse a CSV entry.
 */
static bool parseEntry(CSV &csv, MatchVal &val)
{
    std::string entry;
    char c = getChar(csv);
    switch (c)
    {
        case EOF:
            return false;
        case '\r': case '\n': case ',':
            val = MatchVal();
            unGetChar(c, csv);
            return true;
        case '\"':
            while (true)
            {
                c = getChar(csv);
                switch (c)
                {
                    case EOF:
                        error("failed to parse CSV file \"%s\" at line %u; "
                            "unexpected end-of-file", csv.filename,
                            csv.lineno);
                    case '\"':
                        c = getChar(csv);
                        if (c != '\"')
                        {
                            unGetChar(c, csv);
                            val = MatchVal(strDup(entry.c_str()));
                            return true;
                        }
                        break;
                }
                entry += c;
            }
        default:
            entry += c;
            while (true)
            {
                c = getChar(csv);
                switch (c)
                {
                    case ',': case '\n': case '\r': case EOF:
                    {
                        unGetChar(c, csv);
                        intptr_t x;
                        if (entryToInt(entry.c_str(), &x))
                            val = MatchVal(x);
                        else
                            val = MatchVal(strDup(entry.c_str()));
                        return true;
                    }
                    default:
                        entry += c;
                        break;
                }
            }
    }
}