kc3-lang/kc3/pdf/pdf.c

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• Hash : 58b3e844
  Author : Thomas de Grivel
  Date : 2025-09-18T13:51:49
  

  fix pdf xref (maps in structs)
  

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• pdf/pdf.c

• /* kc3
   * Copyright from 2022 to 2025 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include "../libkc3/kc3.h"
  #include "pdf.h"
  #include "pdf_buf_parse.h"
  #include <assert.h>
  
  s_pdf_file * pdf_parse_from_file (s_str *path, s_pdf_file *dest)
  {
    s_buf buf = {0};
    FILE *fp = NULL;
    s_pdf_file tmp = {0};
    if (! (fp = file_open(path, "rb")))
      return NULL;
    if (! buf_init_alloc(&buf, BUF_SIZE)) {
      err_puts("pdf_parse_from_file: buf_init_alloc");
      assert(! "pdf_parse_from_file: buf_init_alloc");
      fclose(fp);
      return NULL;
    }
    if (! buf_file_open_r(&buf, fp)) {
      err_puts("pdf_parse_from_file: buf_file_open_r");
      assert(! "pdf_parse_from_file: buf_file_open_r");
      buf_clean(&buf);
      fclose(fp);
      return NULL;
    }
    if (pdf_buf_parse_file(&buf, &tmp) <= 0) {
      err_puts("pdf_parse_from_file: pdf_buf_parse_file");
      assert(! "pdf_parse_from_file: pdf_buf_parse_file");
      buf_file_close(&buf);
      buf_clean(&buf);
      fclose(fp);
      return NULL;
    }
    buf_file_close(&buf);
    buf_clean(&buf);
    fclose(fp);
    *dest = tmp;
    return dest;
  }
  
  s_tag * pdf_parse_from_str (s_str *str, s_tag *dest)
  {
    s_buf buf = {0};
    s_tag tmp = {0};
    buf_init_str_const(&buf, str);
    if (pdf_buf_parse(&buf, &tmp) < 0)
      return NULL;
    *dest = tmp;
    return dest;
  }
  

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