text: /*
   * Copyright 2005-2018 ECMWF.
   *
   * This software is licensed under the terms of the Apache Licence Version 2.0
   * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
   *
   * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
   * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
   */
  
  /*****************************************
   *  Enrico Fucile
   ****************************************/
  
  #include "grib_api_internal.h"
  #include <ctype.h>
  
  /*
     This is used by make_class.pl
  
     START_CLASS_DEF
     CLASS      = accessor
     SUPER      = grib_accessor_class_gen
     IMPLEMENTS = init;dump;unpack_string_array;unpack_long
     IMPLEMENTS = value_count; destroy; get_native_type;
     MEMBERS    =  const char* smartTable
     MEMBERS    =  int index
     END_CLASS_DEF
  
   */
  
  /* START_CLASS_IMP */
  
  /*
  
  Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
  Instead edit values between START_CLASS_DEF and END_CLASS_DEF
  or edit "accessor.class" and rerun ./make_class.pl
  
  */
  
  static int  get_native_type(grib_accessor*);
  static int unpack_long(grib_accessor*, long* val,size_t *len);
  static int unpack_string_array (grib_accessor*, char**, size_t *len);
  static int value_count(grib_accessor*,long*);
  static void destroy(grib_context*,grib_accessor*);
  static void dump(grib_accessor*, grib_dumper*);
  static void init(grib_accessor*,const long, grib_arguments* );
  static void init_class(grib_accessor_class*);
  
  typedef struct grib_accessor_smart_table_column {
      grib_accessor          att;
  /* Members defined in gen */
  /* Members defined in smart_table_column */
  	const char* smartTable;
  	int index;
  } grib_accessor_smart_table_column;
  
  extern grib_accessor_class* grib_accessor_class_gen;
  
  static grib_accessor_class _grib_accessor_class_smart_table_column = {
      &grib_accessor_class_gen,                      /* super                     */
      "smart_table_column",                      /* name                      */
      sizeof(grib_accessor_smart_table_column),  /* size                      */
      0,                           /* inited */
      &init_class,                 /* init_class */
      &init,                       /* init                      */
      0,                  /* post_init                      */
      &destroy,                    /* free mem                       */
      &dump,                       /* describes himself         */
      0,                /* get length of section     */
      0,              /* get length of string      */
      &value_count,                /* get number of values      */
      0,                 /* get number of bytes      */
      0,                /* get offset to bytes           */
      &get_native_type,            /* get native type               */
      0,                /* get sub_section                */
      0,               /* grib_pack procedures long      */
      0,                 /* grib_pack procedures long      */
      0,                  /* grib_pack procedures long      */
      &unpack_long,                /* grib_unpack procedures long    */
      0,                /* grib_pack procedures double    */
      0,              /* grib_unpack procedures double  */
      0,                /* grib_pack procedures string    */
      0,              /* grib_unpack procedures string  */
      0,          /* grib_pack array procedures string    */
      &unpack_string_array,        /* grib_unpack array procedures string  */
      0,                 /* grib_pack procedures bytes     */
      0,               /* grib_unpack procedures bytes   */
      0,            /* pack_expression */
      0,              /* notify_change   */
      0,                /* update_size   */
      0,            /* preferred_size   */
      0,                    /* resize   */
      0,      /* nearest_smaller_value */
      0,                       /* next accessor    */
      0,                    /* compare vs. another accessor   */
      0,     /* unpack only ith value          */
      0,     /* unpack a subarray         */
      0,              		/* clear          */
      0,               		/* clone accessor          */
  };
  
  
  grib_accessor_class* grib_accessor_class_smart_table_column = &_grib_accessor_class_smart_table_column;
  
  
  static void init_class(grib_accessor_class* c)
  {
  	c->next_offset	=	(*(c->super))->next_offset;
  	c->string_length	=	(*(c->super))->string_length;
  	c->byte_count	=	(*(c->super))->byte_count;
  	c->byte_offset	=	(*(c->super))->byte_offset;
  	c->sub_section	=	(*(c->super))->sub_section;
  	c->pack_missing	=	(*(c->super))->pack_missing;
  	c->is_missing	=	(*(c->super))->is_missing;
  	c->pack_long	=	(*(c->super))->pack_long;
  	c->pack_double	=	(*(c->super))->pack_double;
  	c->unpack_double	=	(*(c->super))->unpack_double;
  	c->pack_string	=	(*(c->super))->pack_string;
  	c->unpack_string	=	(*(c->super))->unpack_string;
  	c->pack_string_array	=	(*(c->super))->pack_string_array;
  	c->pack_bytes	=	(*(c->super))->pack_bytes;
  	c->unpack_bytes	=	(*(c->super))->unpack_bytes;
  	c->pack_expression	=	(*(c->super))->pack_expression;
  	c->notify_change	=	(*(c->super))->notify_change;
  	c->update_size	=	(*(c->super))->update_size;
  	c->preferred_size	=	(*(c->super))->preferred_size;
  	c->resize	=	(*(c->super))->resize;
  	c->nearest_smaller_value	=	(*(c->super))->nearest_smaller_value;
  	c->next	=	(*(c->super))->next;
  	c->compare	=	(*(c->super))->compare;
  	c->unpack_double_element	=	(*(c->super))->unpack_double_element;
  	c->unpack_double_subarray	=	(*(c->super))->unpack_double_subarray;
  	c->clear	=	(*(c->super))->clear;
  	c->make_clone	=	(*(c->super))->make_clone;
  }
  
  /* END_CLASS_IMP */
  
  typedef struct grib_accessor_smart_table {
      grib_accessor          att;
  /* Members defined in gen */
  /* Members defined in long */
  /* Members defined in unsigned */
          long nbytes;
          grib_arguments* arg;
  /* Members defined in smart_table */
          const char* values;
          const char* tablename;
          const char* masterDir;
          const char* localDir;
          const char* extraDir;
          const char* extraTable;
          int widthOfCode;
          long* tableCodes;
          size_t tableCodesSize;
          grib_smart_table* table;
          int dirty;
  } grib_accessor_smart_table;
  
  static void init(grib_accessor* a, const long len, grib_arguments* params) {
    int n=0;
    grib_accessor_smart_table_column* self  = (grib_accessor_smart_table_column*)a;
  
    self->smartTable = grib_arguments_get_name(grib_handle_of_accessor(a),params,n++);
    self->index = grib_arguments_get_long(grib_handle_of_accessor(a),params,n++);
  
    a->length = 0;
    a->flags |= GRIB_ACCESSOR_FLAG_READ_ONLY;
  
  }
  
  static void dump(grib_accessor* a, grib_dumper* dumper)
  {
    int type=get_native_type(a);
  
    switch (type) {
      case GRIB_TYPE_LONG: 
        grib_dump_long(dumper,a,NULL);
        break;
      case GRIB_TYPE_STRING: 
        grib_dump_string_array(dumper,a,NULL);
        break;
    }
  }
  
  static int unpack_string_array (grib_accessor* a, char** buffer, size_t *len)
  {
    grib_accessor_smart_table_column* self = (grib_accessor_smart_table_column*)a;
    grib_accessor_smart_table* tableAccessor = NULL;
    grib_smart_table*          table = NULL;
  
    size_t size = 1;
    long   *code;
    int err = GRIB_SUCCESS;
    char tmp[1024]={0,};
    int i=0;
  
    tableAccessor=(grib_accessor_smart_table*)grib_find_accessor(grib_handle_of_accessor(a),self->smartTable);
    if (!tableAccessor) {
    	grib_context_log(a->context,GRIB_LOG_ERROR,
  		"unable to find accessor %s",self->smartTable);
  	return GRIB_NOT_FOUND;
    }
  
    err=_grib_get_size(grib_handle_of_accessor(a),(grib_accessor*)tableAccessor,&size);
    if (err) return err;
    if (*len<size) {
      return GRIB_BUFFER_TOO_SMALL;
    }
  
    code=(long*)grib_context_malloc_clear(a->context,sizeof(long)*size);
    if (!code) {
      grib_context_log(a->context,GRIB_LOG_FATAL,
          "unable to allocate %ld bytes",(long)size);
      return GRIB_OUT_OF_MEMORY;
    }
  
    if( (err = grib_unpack_long((grib_accessor*)tableAccessor,code,&size)) != GRIB_SUCCESS)
      return err;
  
    table=tableAccessor->table;
  
    for (i=0;i<size;i++) {
  
        if(table && (code[i] >= 0) &&
           (code[i] < table->numberOfEntries) &&
           table->entries[code[i]].column[self->index])
        {
          strcpy(tmp,table->entries[code[i]].column[self->index]);
        }
        else
        {
          sprintf(tmp,"%d",(int)code[i]);
        }
  
        buffer[i]=grib_context_strdup(a->context,tmp);
  
    }
    *len = size;
    grib_context_free(a->context,code);
  
    return GRIB_SUCCESS;
  }
  
  static int unpack_long (grib_accessor* a, long* val, size_t *len)
  {
    grib_accessor_smart_table_column* self = (grib_accessor_smart_table_column*)a;
    grib_accessor_smart_table* tableAccessor = NULL;
    grib_smart_table*          table = NULL;
  
    size_t size = 1;
    long   *code;
    int err = GRIB_SUCCESS;
    int i=0;
  
    for (i=0;i<*len;i++) val[i]=GRIB_MISSING_LONG;
  
    tableAccessor=(grib_accessor_smart_table*)grib_find_accessor(grib_handle_of_accessor(a),self->smartTable);
    if (!tableAccessor) {
    	grib_context_log(a->context,GRIB_LOG_ERROR,
  		"unable to find accessor %s",self->smartTable);
  	return GRIB_NOT_FOUND;
    }
  
    err=_grib_get_size(grib_handle_of_accessor(a),(grib_accessor*)tableAccessor,&size);
    if (err) return err;
    if (*len<size) {
      return GRIB_BUFFER_TOO_SMALL;
    }
  
    code=(long*)grib_context_malloc_clear(a->context,sizeof(long)*size);
    if (!code) {
      grib_context_log(a->context,GRIB_LOG_FATAL,
          "unable to allocate %ld bytes",(long)size);
      return GRIB_OUT_OF_MEMORY;
    }
  
    if( (err = grib_unpack_long((grib_accessor*)tableAccessor,code,&size)) != GRIB_SUCCESS)
      return err;
  
    table=tableAccessor->table;
  
    for (i=0;i<size;i++) {
        if(table && (code[i] >= 0) &&
           (code[i] < table->numberOfEntries) &&
           table->entries[code[i]].column[self->index])
        {
          val[i]=atol(table->entries[code[i]].column[self->index]);
        }
    }
    *len = size;
    grib_context_free(a->context,code);
  
    return GRIB_SUCCESS;
  }
  
  static int value_count(grib_accessor* a,long* count)
  {
    grib_accessor_smart_table_column* self = (grib_accessor_smart_table_column*)a;
    size_t size=0;
    int err=0;
    *count=0;
  
    if (!self->smartTable) return 0; 
  
    err=grib_get_size(grib_handle_of_accessor(a),self->smartTable,&size);
    *count=size;
    return err;
  }
  
  static void destroy(grib_context* context,grib_accessor* a)
  {
  	if (a->vvalue != NULL) {
  		grib_context_free(context, a->vvalue);
  		a->vvalue=NULL;
  	}
  
  }
  
  static int  get_native_type(grib_accessor* a){
    int type=GRIB_TYPE_LONG;
    /*printf("---------- %s flags=%ld GRIB_ACCESSOR_FLAG_STRING_TYPE=%d\n",
           a->name,a->flags,GRIB_ACCESSOR_FLAG_STRING_TYPE);*/
    if (a->flags & GRIB_ACCESSOR_FLAG_STRING_TYPE)
      type=GRIB_TYPE_STRING;
    return type;
  }
  
  
  
  