kc3-lang/kc3/pdf/pdf_write.c

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• Hash : 58f079f9
  Author : Perle
  Date : 2025-09-10T15:35:07
  

  feat: pdf write for string, bool, and null
  

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• pdf/pdf_write.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 "../libkc3/kc3_main.h"
  #include "pdf_write.h"
  
  sw pdf_buf_write_bool (s_buf *buf, bool src)
  {
    if (src) {
      return pdf_buf_write_token(buf, "true");
    }
    return pdf_buf_write_token(buf, "false");
  }
  
  sw pdf_buf_write_null (s_buf *buf)
  {
      return pdf_buf_write_token(buf, "null");
  }
  
  sw pdf_buf_write_string_hex (s_buf *buf, s_str *dest)
  {
    sw r = 0;
    u8 c;
    s_buf read_buf = {0};
    const char *base = g_kc3_base_hexadecimal.ptr.pchar;
    buf_init_str_const(&read_buf, dest);
    for (sw i = 0; i < dest->size; i++) {
      if ((r = buf_read_u8(&read_buf, &c)) < 0
        || (r = buf_write_u8(buf, base[c & 0xf])) < 0
        || (r = buf_write_u8(buf, base[(c >> 4) & 0xf])) < 0) {
        break;
      }
    }
    buf_clean(&read_buf);
    return r;
  }
  
  sw pdf_buf_write_token(s_buf *buf, const char *pchar)
  {
    return buf_write_1(buf, pchar);
  }
  

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