kc3-lang/kc3/libkc3/serialize.c

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• Hash : 4e291bf8
  Author : Thomas de Grivel
  Date : 2024-12-21T16:14:13
  

  wip compatibility with C++

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• libkc3/serialize.c

• /* kc3
   * Copyright 2022,2023,2024 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 "assert.h"
  #include "alloc.h"
  #include "buf.h"
  #include "list.h"
  #include "serialize.h"
  
  #define DEF_SERIALIZE(type)                                            \
    s_serialize * serialize_ ## type (s_serialize *serialize,            \
                                      type src)                          \
    {                                                                    \
      sw r;                                                              \
      assert(serialize);                                                 \
      if ((r = buf_write_ ## type(&serialize->buf, src)) <= 0)           \
        return NULL;                                                     \
      return serialize;                                                  \
    }
  
  DEF_SERIALIZE(bool)
  
  void serialize_clean (s_serialize *serialize)
  {
    assert(serialize);
    buf_clean(&serialize->buf);
    buf_clean(&serialize->heap);
  }
  
  void serialize_delete (s_serialize *serialize)
  {
    serialize_clean(serialize);
    free(serialize);
  }
  
  s_serialize * serialize_character (s_serialize *serialize,
                                     character c)
  {
    return serialize_u32(serialize, c);
  }
  
  s_serialize * serialize_init (s_serialize *serialize)
  {
    s_serialize tmp = {0};
    buf_init_alloc(&tmp.heap, 1024024);
    buf_init_alloc(&tmp.buf, 1024024);
    *serialize = tmp;
    return serialize;
  }
  
  /* Works the same as serialize_tuple. */
  s_serialize * serialize_list (s_serialize *serialize,
                                const s_list *list)
  {
    const s_list *l;
    u32 len;
    assert(serialize);
    len = list_length(list);
    if (! serialize_u32(serialize, len))
      return NULL;
    l = list;
    while (l) {
      if (! serialize_tag(serialize, &l->tag))
        return NULL;
      l = list_next(l);
    }
    return serialize;
  }
  
  s_serialize * serialize_new (void)
  {
    s_serialize *serialize;
    if (! (serialize = alloc(sizeof(s_serialize))))
      return NULL;
    serialize_init(serialize);
    return serialize;
  }
  
  DEF_SERIALIZE(s8)
  DEF_SERIALIZE(s16)
  DEF_SERIALIZE(s32)
  DEF_SERIALIZE(s64)
  
  s_serialize * serialize_str (s_serialize *serialize, const s_str *src)
  {
    sw r;
    assert(serialize);
    assert(src);
    if (! serialize_u32(serialize, src->size))
      return NULL;
    if ((r = buf_write(&serialize->buf, src->ptr.pchar, src->size)) <= 0)
      return NULL;
    return serialize;
  }
  
  DEF_SERIALIZE(sw)
  
  s_serialize * serialize_tag (s_serialize *serialize, const s_tag *tag)
  {
    switch (tag->type){
    case TAG_BOOL: return serialize_bool(serialize, tag->data.bool_);
    case TAG_CHARACTER:
      return serialize_character(serialize, tag->data.character);
    case TAG_S8:   return serialize_s8(serialize, tag->data.s8);
    case TAG_S16:  return serialize_s16(serialize, tag->data.s16);
    case TAG_S32:  return serialize_s32(serialize, tag->data.s32);
    case TAG_S64:  return serialize_s64(serialize, tag->data.s64);
    case TAG_STR:  return serialize_str(serialize, &tag->data.str);
    case TAG_SW:   return serialize_sw(serialize, tag->data.sw);
    case TAG_U8:   return serialize_u8(serialize, tag->data.u8);
    case TAG_U16:  return serialize_u16(serialize, tag->data.u16);
    case TAG_U32:  return serialize_u32(serialize, tag->data.u32);
    case TAG_U64:  return serialize_u64(serialize, tag->data.u64);
    case TAG_UW:   return serialize_uw(serialize, tag->data.uw);
    default:       break;
    }
    err_puts("serialize_tag: not implemented");
    assert(! "serialize_tag: not implemented");
    return NULL;
  }
  
  sw serialize_to_buf (s_serialize *serialize, s_buf *buf)
  {
    return buf_xfer(&serialize->buf, buf,
                    serialize->buf.wpos - serialize->buf.rpos);
  }
  
  s_str * serialize_to_str (s_serialize *serialize, s_str *dest)
  {
    return buf_read_to_str(&serialize->buf, dest);
  }
  
  s_serialize * serialize_tuple (s_serialize *serialize,
                                 const s_tuple *tuple)
  {
    uw i;
    assert(serialize);
    assert(tuple);
    if (! serialize_u32(serialize, tuple->count))
      return NULL;
    i = 0;
    while (i < tuple->count) {
      if (! serialize_tag(serialize, tuple->tag + i))
        return NULL;
      i++;
    }
    return serialize;
  }
  
  DEF_SERIALIZE(u8)
  DEF_SERIALIZE(u16)
  DEF_SERIALIZE(u32)
  DEF_SERIALIZE(u64)
  DEF_SERIALIZE(uw)
  

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