supwisdom/sp_msgpack.c

#include "string.h"
#include "sp_msgpack.h"

int32 sp_pack_init(cw_pack_context* pack,uint8* buf,uint16 len)
{
  memset(buf,0,len);
  return cw_pack_context_init(pack,buf,len,0);
}

uint16 sp_pack_length(cw_pack_context* pack)
{
  if(pack->current != NULL && pack->start != NULL)
  {
    return (pack->current -pack->start);
  }
  return 256;
}
void sp_pack_put_str(cw_pack_context* pack,const char* parakey,const char* paraval)
{
  cw_pack_str(pack,parakey,strlen(parakey));
  cw_pack_str(pack,paraval,strlen(paraval));
}
void sp_pack_put_int(cw_pack_context* pack,const char* parakey,const int paraval)
{
  cw_pack_str(pack,parakey,strlen(parakey));
  cw_pack_signed(pack,paraval);
}
void sp_pack_put_bin(cw_pack_context* pack,const char* parakey,const uint8* paraval,
                     const uint16 len)
{
  cw_pack_str(pack,parakey,strlen(parakey));
  cw_pack_bin(pack,paraval,len);
}
int32 sp_unpack_init(cw_unpack_context* unpack,uint8* buf,uint16 len)
{
  cw_unpack_context_init(unpack,buf,len,0);
  return unpack->return_code;
}

uint8 sp_unpack_map_size(cw_unpack_context* unpack)
{
  cw_unpack_next(unpack);
  if(unpack->item.type == CWP_ITEM_MAP)
  {
    return (uint8)unpack->item.as.map.size;
  }
  return 0;
}

uint8 sp_unpack_value(cw_unpack_context* unpack,unpack_field_t* field)
{
  cw_unpack_next(unpack);
  if(unpack->item.type == CWP_ITEM_STR)
  {
    field->key = unpack->item.as.str.start;
    cw_unpack_next(unpack);
    if(unpack->item.type == CWP_ITEM_STR)
    {
      field->val.strval = unpack->item.as.str.start;
      field->strlen = unpack->item.as.str.length;
      return 0;
    }
    else if(unpack->item.type == CWP_ITEM_POSITIVE_INTEGER)
    {
      field->val.intval= (int32)unpack->item.as.i64;
      field->strlen = 0;
      return 0;
    }
    else if(unpack->item.type == CWP_ITEM_BIN)
    {
      field->val.binval = unpack->item.as.str.start;
      field->strlen = unpack->item.as.str.length;
      return 0;
    }
    else
    {
      field->strlen = 0;
      field->val.intval = 0;
      return 1;
    }
  }
  return 1;
}