lrec_reader_t* lrec_reader_alloc(char* fmtdesc, int use_mmap, char irs, char ifs, int allow_repeat_ifs,
char ips, int allow_repeat_ips)
{
// xxx refactor for https://github.com/johnkerl/miller/issues/51 et al.
byte_reader_t* pbr = use_mmap ? mmap_byte_reader_alloc() : stdio_byte_reader_alloc();
if (streq(fmtdesc, "dkvp")) {
if (use_mmap)
return lrec_reader_mmap_dkvp_alloc(irs, ifs, ips, allow_repeat_ifs);
else
return lrec_reader_stdio_dkvp_alloc(irs, ifs, ips, allow_repeat_ifs);
} else if (streq(fmtdesc, "csv")) {
return lrec_reader_csv_alloc(pbr, irs, ifs);
} else if (streq(fmtdesc, "csvlite")) {
if (use_mmap)
return lrec_reader_mmap_csvlite_alloc(irs, ifs, allow_repeat_ifs);
else
return lrec_reader_stdio_csvlite_alloc(irs, ifs, allow_repeat_ifs);
} else if (streq(fmtdesc, "nidx")) {
if (use_mmap)
return lrec_reader_mmap_nidx_alloc(irs, ifs, allow_repeat_ifs);
else
return lrec_reader_stdio_nidx_alloc(irs, ifs, allow_repeat_ifs);
} else if (streq(fmtdesc, "xtab")) {
if (use_mmap)
return lrec_reader_mmap_xtab_alloc(irs, ips, TRUE/*allow_repeat_ips*/);
else
return lrec_reader_stdio_xtab_alloc(ips, TRUE); // xxx parameterize allow_repeat_ips
} else {
return NULL;
}
}
lrec_reader_t* lrec_reader_alloc(char* fmtdesc, int use_mmap, char* irs, char* ifs, int allow_repeat_ifs,
char* ips, int allow_repeat_ips)
{
// Only for RFC-CSV reader: see https://github.com/johnkerl/miller/issues/51 et al.
byte_reader_t* pbr = use_mmap ? mmap_byte_reader_alloc() : stdio_byte_reader_alloc();
if (streq(fmtdesc, "dkvp")) {
if (use_mmap)
return lrec_reader_mmap_dkvp_alloc(irs, ifs, ips, allow_repeat_ifs);
else
return lrec_reader_stdio_dkvp_alloc(irs, ifs, ips, allow_repeat_ifs);
} else if (streq(fmtdesc, "csv")) {
return lrec_reader_csv_alloc(pbr, irs, ifs);
} else if (streq(fmtdesc, "csvlite")) {
if (use_mmap)
return lrec_reader_mmap_csvlite_alloc(irs, ifs, allow_repeat_ifs);
else
return lrec_reader_stdio_csvlite_alloc(irs, ifs, allow_repeat_ifs);
} else if (streq(fmtdesc, "nidx")) {
if (use_mmap)
return lrec_reader_mmap_nidx_alloc(irs, ifs, allow_repeat_ifs);
else
return lrec_reader_stdio_nidx_alloc(irs, ifs, allow_repeat_ifs);
} else if (streq(fmtdesc, "xtab")) {
if (strlen(ips) != 1) {
fprintf(stderr, "%s: IPS for XTAB format must be single-character; got \"%s\".\n",
MLR_GLOBALS.argv0, ips);
return NULL;
}
if (use_mmap)
return lrec_reader_mmap_xtab_alloc(ifs, ips[0], allow_repeat_ips);
else
return lrec_reader_stdio_xtab_alloc(ifs, ips[0], allow_repeat_ips);
} else {
return NULL;
}
}