47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
|
```c title="C"
|
||
|
|
#include <kreuzberg.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
int main(void) {
|
||
|
|
const char *config_json =
|
||
|
|
"{"
|
||
|
|
"\"force_ocr\": true,"
|
||
|
|
"\"ocr\": {\"backend\": \"tesseract\", \"language\": \"eng\"}"
|
||
|
|
"}";
|
||
|
|
|
||
|
|
KREUZBERGExtractionConfig *config =
|
||
|
|
kreuzberg_extraction_config_from_json(config_json);
|
||
|
|
if (!config) {
|
||
|
|
fprintf(stderr, "config init failed (code %d): %s\n",
|
||
|
|
kreuzberg_last_error_code(),
|
||
|
|
kreuzberg_last_error_context());
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
KREUZBERGExtractionResult *result =
|
||
|
|
kreuzberg_extract_file("scanned.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 *content = kreuzberg_extraction_result_content(result);
|
||
|
|
printf("%s\n", content ? content : "(empty)");
|
||
|
|
kreuzberg_free_string(content);
|
||
|
|
|
||
|
|
char *detected_languages = kreuzberg_extraction_result_detected_languages(result);
|
||
|
|
printf("detected languages: %s\n",
|
||
|
|
detected_languages ? detected_languages : "(none)");
|
||
|
|
kreuzberg_free_string(detected_languages);
|
||
|
|
|
||
|
|
kreuzberg_extraction_result_free(result);
|
||
|
|
kreuzberg_extraction_config_free(config);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
```
|