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#define _POSIX_C_SOURCE 200809L
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "parcini.h"
#define EXAMPLE_INI "example/example.ini"
struct {
struct {
char *name;
long int age;
} personal;
struct {
char *email;
bool visible;
} contact;
} example = {
.personal.name = NULL,
.contact.email = NULL,
};
static bool
handle_keyvalue(struct parcini_line *parsed)
{
#define MATCHES(s, k) !strcmp(parsed->section, s) && !strcmp(parsed->key, k)
if (MATCHES("personal", "name")) {
return parcini_value_handle(&parsed->value, PARCINI_VALUE_STRING,
&example.personal.name);
}
if (MATCHES("personal", "age")) {
return parcini_value_handle(&parsed->value, PARCINI_VALUE_INTEGER,
&example.personal.age);
}
if (MATCHES("contact", "email")) {
return parcini_value_handle(&parsed->value, PARCINI_VALUE_STRING,
&example.contact.email);
}
if (MATCHES("contact", "visible")) {
return parcini_value_handle(&parsed->value, PARCINI_VALUE_BOOLEAN,
&example.contact.visible);
}
return false;
}
int
main(void)
{
parcini_t *parser = parcini_from_file(EXAMPLE_INI);
if (parser == NULL) {
fprintf(stderr, "error opening file: %s\n", strerror(errno));
return 1;
}
struct parcini_line parsed;
enum parcini_result res;
while ((res = parcini_parse_next_line(parser, &parsed)) != PARCINI_EOF) {
switch (res) {
case PARCINI_EMPTY_LINE:
case PARCINI_SECTION:
continue;
case PARCINI_KEYVALUE:
if (!handle_keyvalue(&parsed)) {
fprintf(stderr,
"line %ld: error: unexpected section '%s'/key '%s' or "
"invalid value type\n",
parsed.lineno, parsed.section, parsed.key);
goto cleanup;
}
continue;
case PARCINI_MEMORY_ERROR:
case PARCINI_STREAM_ERROR:
fprintf(stderr,
"An error occurred while trying to read the next line\n");
goto cleanup;
default:
fprintf(stderr, "line %ld: parse error\n", parsed.lineno);
goto cleanup;
};
}
printf("parsed example.ini:\n");
printf("name:\t%s\n", example.personal.name);
printf("age:\t%ld\n", example.personal.age);
printf("email:\t%s\n", example.contact.email);
printf("visible:\t%s\n", example.contact.visible ? "true" : "false");
cleanup:
free(example.personal.name);
free(example.contact.email);
parcini_destroy(parser);
}
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