63 lines
1.8 KiB
Markdown
63 lines
1.8 KiB
Markdown
```c title="C"
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#include "kreuzberg.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* The C FFI does not expose config-file auto-discovery directly. Load the
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* file contents in your application and pass the JSON to
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* kreuzberg_extraction_config_from_json. For TOML/YAML, convert in your
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* application before calling the FFI. */
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static char *read_text_file(const char *path) {
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FILE *fp = fopen(path, "rb");
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if (!fp) {
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return NULL;
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}
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fseek(fp, 0, SEEK_END);
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long size = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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char *buf = (char *)malloc((size_t)size + 1);
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if (!buf) {
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fclose(fp);
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return NULL;
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}
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fread(buf, 1, (size_t)size, fp);
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buf[size] = '\0';
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fclose(fp);
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return buf;
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}
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int main(void) {
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char *json = read_text_file("kreuzberg.json");
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KREUZBERGExtractionConfig *config = json
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? kreuzberg_extraction_config_from_json(json)
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: kreuzberg_extraction_config_default();
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free(json);
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if (!config) {
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fprintf(stderr, "config load failed (code %d): %s\n",
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kreuzberg_last_error_code(),
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kreuzberg_last_error_context());
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return 1;
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}
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KREUZBERGExtractionResult *result =
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kreuzberg_extract_file_sync("document.pdf", NULL, config);
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if (!result) {
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fprintf(stderr, "extraction failed (code %d): %s\n",
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kreuzberg_last_error_code(),
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kreuzberg_last_error_context());
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kreuzberg_extraction_config_free(config);
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return 1;
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}
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char *content = kreuzberg_extraction_result_content(result);
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printf("%s\n", content ? content : "(empty)");
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kreuzberg_free_string(content);
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kreuzberg_extraction_result_free(result);
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kreuzberg_extraction_config_free(config);
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return 0;
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}
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```
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