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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "jv.h"
jv jv_load_file(const char* filename, int raw) {
FILE* file = fopen(filename, "r");
struct jv_parser* parser;
jv data;
if (!file) {
return jv_invalid_with_msg(jv_string_fmt("Could not open %s: %s",
filename,
strerror(errno)));
}
if (raw) {
data = jv_string("");
} else {
data = jv_array();
parser = jv_parser_new(0);
}
while (!feof(file) && !ferror(file)) {
char buf[4096];
size_t n = fread(buf, 1, sizeof(buf), file);
if (raw) {
data = jv_string_concat(data, jv_string_sized(buf, (int)n));
} else {
jv_parser_set_buf(parser, buf, n, !feof(file));
jv value;
while (jv_is_valid((value = jv_parser_next(parser))))
data = jv_array_append(data, value);
if (jv_invalid_has_msg(jv_copy(value))) {
jv_free(data);
data = value;
break;
}
}
}
if (!raw)
jv_parser_free(parser);
int badread = ferror(file);
if (fclose(file) != 0 || badread) {
jv_free(data);
return jv_invalid_with_msg(jv_string_fmt("Error reading from %s",
filename));
}
return data;
}
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