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Factor out conversion from JSON types to vector tile attribute types

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This commit is contained in:
Eric Fischer
2016-12-07 16:17:17 -08:00
parent 5554b9cbba
commit 3f14a0dd55
7 changed files with 118 additions and 107 deletions
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read_json.cpp
+28
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@@ -2,6 +2,7 @@
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <string>
extern "C" {
#include "jsonpull/jsonpull.h"
@@ -10,6 +11,7 @@ extern "C" {
#include "geometry.hpp"
#include "projection.hpp"
#include "read_json.hpp"
#include "text.hpp"
const char *geometry_names[GEOM_TYPES] = {
"Point", "MultiPoint", "LineString", "MultiLineString", "Polygon", "MultiPolygon",
@@ -100,3 +102,29 @@ void parse_geometry(int t, json_object *j, drawvec &out, int op, const char *fna
out.push_back(draw(VT_CLOSEPATH, 0, 0));
}
}
void stringify_value(json_object *value, int &type, std::string &stringified, const char *reading, int line, json_object *feature) {
if (value != NULL && value->type == JSON_STRING) {
type = VT_STRING;
stringified = std::string(value->string);
std::string err = check_utf8(stringified);
if (err != "") {
fprintf(stderr, "%s:%d: %s\n", reading, line, err.c_str());
json_context(feature);
exit(EXIT_FAILURE);
}
} else if (value != NULL && value->type == JSON_NUMBER) {
type = VT_NUMBER;
stringified = std::string(value->string);
} else if (value != NULL && (value->type == JSON_TRUE || value->type == JSON_FALSE)) {
type = VT_BOOLEAN;
stringified = std::string(value->type == JSON_TRUE ? "true" : "false");
} else if (value != NULL && (value->type == JSON_NULL)) {
;
} else {
type = VT_STRING;
const char *v = json_stringify(value);
stringified = std::string(v);
free((void *) v); // stringify
}
}