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/*
* basic-parsing.c - Basic YAML parsing example
*
* Demonstrates:
* - Parsing YAML from a file
* - Basic error handling
* - Emitting in different output modes
*
* Copyright (c) 2019-2025 Pantelis Antoniou <pantelis.antoniou@konsulko.com>
*
* SPDX-License-Identifier: MIT
*/
#include <stdlib.h>
#include <stdio.h>
#include <libfyaml.h>
int main(int argc, char *argv[])
{
struct fy_document *fyd = NULL;
const char *input_file = (argc > 1) ? argv[1] : "config.yaml";
// Parse YAML from file
fyd = fy_document_build_from_file(NULL, input_file);
if (!fyd) {
fprintf(stderr, "Failed to parse YAML from %s\n", input_file);
return EXIT_FAILURE;
}
printf("Successfully parsed: %s\n\n", input_file);
// Emit as flow-oneline (compact format)
printf("Compact format:\n");
fy_emit_document_to_fp(fyd, FYECF_MODE_FLOW_ONELINE, stdout);
printf("\n\n");
// Emit as block (standard YAML)
printf("Block format:\n");
fy_emit_document_to_fp(fyd, FYECF_MODE_BLOCK, stdout);
printf("\n");
// Emit as JSON
printf("JSON format:\n");
fy_emit_document_to_fp(fyd, FYECF_MODE_JSON, stdout);
printf("\n");
fy_document_destroy(fyd);
return EXIT_SUCCESS;
}
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