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/*
* Copyright (c) 2013 Andrew Kelley
*
* This file is part of liblaxjson, which is MIT licensed.
* See http://opensource.org/licenses/MIT
*/
#include <laxjson.h>
#include <stdio.h>
static int on_string(struct LaxJsonContext *context,
enum LaxJsonType type, const char *value, int length)
{
const char *type_name = type == LaxJsonTypeProperty ? "property" : "string";
printf("%s: %s\n", type_name, value);
return 0;
}
static int on_number(struct LaxJsonContext *context, double x)
{
printf("number: %f\n", x);
return 0;
}
static int on_primitive(struct LaxJsonContext *context, enum LaxJsonType type)
{
const char *type_name;
if (type == LaxJsonTypeTrue)
type_name = "true";
else if (type == LaxJsonTypeFalse)
type_name = "false";
else
type_name = "null";
printf("primitive: %s\n", type_name);
return 0;
}
static int on_begin(struct LaxJsonContext *context, enum LaxJsonType type)
{
const char *type_name = (type == LaxJsonTypeArray) ? "array" : "object";
printf("begin %s\n", type_name);
return 0;
}
static int on_end(struct LaxJsonContext *context, enum LaxJsonType type)
{
const char *type_name = (type == LaxJsonTypeArray) ? "array" : "object";
printf("end %s\n", type_name);
return 0;
}
int main() {
char buf[1024];
struct LaxJsonContext *context;
FILE *f;
int amt_read;
enum LaxJsonError err;
context = lax_json_create();
context->userdata = NULL; /* can set this to whatever you want */
context->string = on_string;
context->number = on_number;
context->primitive = on_primitive;
context->begin = on_begin;
context->end = on_end;
f = fopen("file.json", "rb");
while ((amt_read = fread(buf, 1, sizeof(buf), f))) {
if ((err = lax_json_feed(context, amt_read, buf))) {
fprintf(stderr, "Line %d, column %d: %s\n",
context->line, context->column, lax_json_str_err(err));
lax_json_destroy(context);
return -1;
}
}
if ((err = lax_json_eof(context))) {
fprintf(stderr, "Line %d, column %d: %s\n",
context->line, context->column, lax_json_str_err(err));
lax_json_destroy(context);
return -1;
}
lax_json_destroy(context);
return 0;
}
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