58 lines
1.8 KiB
Markdown
58 lines
1.8 KiB
Markdown
|
```c title="C"
|
||
|
|
#include "kreuzberg.h"
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
int main(void) {
|
||
|
|
const char *config_json =
|
||
|
|
"{"
|
||
|
|
"\"structured_extraction\": {"
|
||
|
|
"\"schema\": {"
|
||
|
|
"\"type\": \"object\","
|
||
|
|
"\"properties\": {"
|
||
|
|
"\"title\": {\"type\": \"string\"},"
|
||
|
|
"\"authors\": {\"type\": \"array\", \"items\": {\"type\": \"string\"}},"
|
||
|
|
"\"date\": {\"type\": \"string\"}"
|
||
|
|
"},"
|
||
|
|
"\"required\": [\"title\", \"authors\", \"date\"],"
|
||
|
|
"\"additionalProperties\": false"
|
||
|
|
"},"
|
||
|
|
"\"llm\": {\"model\": \"openai/gpt-4o-mini\"},"
|
||
|
|
"\"strict\": true"
|
||
|
|
"}"
|
||
|
|
"}";
|
||
|
|
|
||
|
|
KREUZBERGExtractionConfig *config = kreuzberg_extraction_config_from_json(config_json);
|
||
|
|
if (!config) {
|
||
|
|
fprintf(stderr, "config parse failed (code %d): %s\n",
|
||
|
|
kreuzberg_last_error_code(),
|
||
|
|
kreuzberg_last_error_context());
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
KREUZBERGExtractionResult *result =
|
||
|
|
kreuzberg_extract_file_sync("paper.pdf", NULL, config);
|
||
|
|
if (!result) {
|
||
|
|
fprintf(stderr, "extraction failed (code %d): %s\n",
|
||
|
|
kreuzberg_last_error_code(),
|
||
|
|
kreuzberg_last_error_context());
|
||
|
|
kreuzberg_extraction_config_free(config);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
char *structured = kreuzberg_extraction_result_structured_output(result);
|
||
|
|
if (structured) {
|
||
|
|
printf("structured output (JSON):\n%s\n", structured);
|
||
|
|
kreuzberg_free_string(structured);
|
||
|
|
} else {
|
||
|
|
printf("structured output: (none)\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
kreuzberg_extraction_result_free(result);
|
||
|
|
kreuzberg_extraction_config_free(config);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
<!-- snippet:syntax-only --> Requires network access to the configured LLM provider and a valid API key in the host environment.
|