Revision 53de8a2014e263453cdec39f2cc22656076552d0 authored by Eric Fischer on 02 November 2018, 00:07:33 UTC, committed by Eric Fischer on 02 November 2018, 00:07:33 UTC
1 parent b8ffdda
write_json.hpp
#ifndef WRITE_JSON_HPP
#define WRITE_JSON_HPP
#include <string>
#include <vector>
#include <stdio.h>
enum json_write_tok {
JSON_WRITE_HASH,
JSON_WRITE_HASH_KEY,
JSON_WRITE_HASH_VALUE,
JSON_WRITE_ARRAY,
JSON_WRITE_ARRAY_ELEMENT,
JSON_WRITE_TOP,
};
struct json_writer {
std::vector<json_write_tok> state;
bool nospace = false;
bool wantnl = false;
FILE *f = NULL;
std::string *s = NULL;
~json_writer() {
if (state.size() > 0) {
if (state.size() != 1 || state[0] != JSON_WRITE_TOP) {
fprintf(stderr, "JSON not closed at end\n");
exit(EXIT_FAILURE);
}
}
}
json_writer(FILE *fp) {
f = fp;
}
json_writer(std::string *out) {
s = out;
}
void json_write_array();
void json_end_array();
void json_write_hash();
void json_end_hash();
void json_write_string(std::string const &s);
void json_write_number(double d);
void json_write_float(double d);
void json_write_unsigned(unsigned long long v);
void json_write_signed(long long v);
void json_write_stringified(std::string const &s);
void json_write_bool(bool b);
void json_write_null();
void json_write_newline();
void json_comma_newline();
private:
void json_adjust();
void aprintf(const char *format, ...);
void addc(char c);
void adds(std::string const &s);
};
void layer_to_geojson(mvt_layer const &layer, unsigned z, unsigned x, unsigned y, bool comma, bool name, bool zoom, bool dropped, unsigned long long index, long long sequence, long long extent, bool complain, json_writer &state);
void fprintq(FILE *f, const char *s);
#endif
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