swh:1:snp:ff2a11cd2e44dd19ec3814028ef2ce6605664e63
Tip revision: a383f5c725f9f2d607c94fcc71a02a9c3448748a authored by Eric Fischer on 18 April 2018, 17:48:13 UTC
Use an exit status of 100 if some but not all zoom levels succeeded
Use an exit status of 100 if some but not all zoom levels succeeded
Tip revision: a383f5c
csv.cpp
#include "csv.hpp"
#include "text.hpp"
std::vector<std::string> csv_split(const char *s) {
std::vector<std::string> ret;
while (*s && *s != '\n' && *s != '\r') {
const char *start = s;
int within = 0;
for (; *s && *s != '\n' && *s != '\r'; s++) {
if (*s == '"') {
within = !within;
}
if (*s == ',' && !within) {
break;
}
}
std::string v = std::string(start, s - start);
ret.push_back(v);
if (*s == ',') {
s++;
while (*s && isspace(*s)) {
s++;
}
}
}
return ret;
}
std::string csv_dequote(std::string s) {
std::string out;
for (size_t i = 0; i < s.size(); i++) {
if (s[i] == '"') {
if (i + 1 < s.size() && s[i + 1] == '"') {
out.push_back('"');
}
} else {
out.push_back(s[i]);
}
}
return out;
}
std::string csv_getline(FILE *f) {
std::string out;
int c;
while ((c = getc(f)) != EOF) {
out.push_back(c);
if (c == '\n') {
break;
}
}
return out;
}
void readcsv(const char *fn, std::vector<std::string> &header, std::map<std::string, std::vector<std::string>> &mapping) {
FILE *f = fopen(fn, "r");
if (f == NULL) {
perror(fn);
exit(EXIT_FAILURE);
}
std::string s;
if ((s = csv_getline(f)).size() > 0) {
std::string err = check_utf8(s);
if (err != "") {
fprintf(stderr, "%s: %s\n", fn, err.c_str());
exit(EXIT_FAILURE);
}
header = csv_split(s.c_str());
for (size_t i = 0; i < header.size(); i++) {
header[i] = csv_dequote(header[i]);
}
}
while ((s = csv_getline(f)).size() > 0) {
std::string err = check_utf8(s);
if (err != "") {
fprintf(stderr, "%s: %s\n", fn, err.c_str());
exit(EXIT_FAILURE);
}
std::vector<std::string> line = csv_split(s.c_str());
if (line.size() > 0) {
line[0] = csv_dequote(line[0]);
}
for (size_t i = 0; i < line.size() && i < header.size(); i++) {
// printf("putting %s\n", line[0].c_str());
mapping.insert(std::pair<std::string, std::vector<std::string>>(line[0], line));
}
}
if (fclose(f) != 0) {
perror("fclose");
exit(EXIT_FAILURE);
}
}
// Follow JSON rules for what looks like a number
bool is_number(std::string const &s) {
const char *cp = s.c_str();
char c = *(cp++);
if (c == '-' || (c >= '0' && c <= '9')) {
if (c == '-') {
c = *(cp++);
}
if (c == '0') {
;
} else if (c >= '1' && c <= '9') {
c = *cp;
while (c >= '0' && c <= '9') {
cp++;
c = *cp;
}
}
if (*cp == '.') {
cp++;
c = *cp;
if (c < '0' || c > '9') {
return false;
}
while (c >= '0' && c <= '9') {
cp++;
c = *cp;
}
}
c = *cp;
if (c == 'e' || c == 'E') {
cp++;
c = *cp;
if (c == '+' || c == '-') {
cp++;
}
c = *cp;
if (c < '0' || c > '9') {
return false;
}
while (c >= '0' && c <= '9') {
cp++;
c = *cp;
}
}
if (*cp == '\0') {
return true;
} else {
// Something non-numeric at the end
return false;
}
}
return false;
}