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JSON can be written to either a FILE or a string

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This commit is contained in:
Eric Fischer
2018-03-16 14:20:52 -07:00
parent 1c4aa57ffd
commit 08fc2f281e
2 changed files with 72 additions and 31 deletions
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write_json.hpp
+11 -1
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@@ -18,7 +18,8 @@ struct json_writer {
std::vector<json_write_tok> state;
bool nospace = false;
bool wantnl = false;
FILE *f;
FILE *f = NULL;
std::string *s = NULL;
~json_writer() {
if (state.size() > 0) {
@@ -33,6 +34,10 @@ struct json_writer {
f = fp;
}
json_writer(std::string *out) {
s = out;
}
void json_write_array();
void json_end_array();
void json_write_hash();
@@ -47,7 +52,12 @@ struct json_writer {
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);