eccodes/src/action_class_gen.c

241 lines
7.8 KiB
C

/*
* Copyright 2005-2016 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.
*/
/***************************************************************************
* Jean Baptiste Filippi - 01.11.2005 *
* *
***************************************************************************/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = action
IMPLEMENTS = create_accessor
IMPLEMENTS = dump;xref
IMPLEMENTS = destroy
IMPLEMENTS = notify_change
IMPLEMENTS = compile
MEMBERS = long len
MEMBERS = grib_arguments* params
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 "action.class" and rerun ./make_class.pl
*/
static void init_class (grib_action_class*);
static void dump (grib_action* d, FILE*,int);
static void xref (grib_action* d, FILE* f,const char* path);
static void compile (grib_action* a, grib_compiler* compiler);
static void destroy (grib_context*,grib_action*);
static int create_accessor(grib_section*,grib_action*,grib_loader*);
static int notify_change(grib_action* a, grib_accessor* observer,grib_accessor* observed);
typedef struct grib_action_gen {
grib_action act;
/* Members defined in gen */
long len;
grib_arguments* params;
} grib_action_gen;
static grib_action_class _grib_action_class_gen = {
0, /* super */
"action_class_gen", /* name */
sizeof(grib_action_gen), /* size */
0, /* inited */
&init_class, /* init_class */
0, /* init */
&destroy, /* destroy */
&dump, /* dump */
&xref, /* xref */
&create_accessor, /* create_accessor*/
&notify_change, /* notify_change */
0, /* reparse */
0, /* execute */
&compile, /* compile */
};
grib_action_class* grib_action_class_gen = &_grib_action_class_gen;
static void init_class(grib_action_class* c)
{
}
/* END_CLASS_IMP */
grib_action* grib_action_create_gen( grib_context* context, const char* name, const char* op, const long len, grib_arguments* params, grib_arguments* default_value,int flags,const char* name_space,const char* set)
{
grib_action_gen* a = NULL;
grib_action_class* c = grib_action_class_gen;
grib_action* act = (grib_action*)grib_context_malloc_clear_persistent(context,c->size);
act->next = NULL;
act->name = grib_context_strdup_persistent(context, name);
act->op = grib_context_strdup_persistent(context, op);
if(name_space)
act->name_space = grib_context_strdup_persistent(context, name_space);
act->cclass = c;
act->context = context;
act->flags = flags;
a = (grib_action_gen*)act;
a->len = len;
a->params = params;
if (set)
act->set = grib_context_strdup_persistent(context, set);
act->default_value = default_value;
return act;
}
static void dump( grib_action* act, FILE* f, int lvl)
{
grib_action_gen* a = ( grib_action_gen*)act;
int i =0;
for (i=0;i<lvl;i++)
grib_context_print(act->context,f," ");
grib_context_print(act->context,f,"%s[%d] %s \n", act->op, a->len , act->name);
}
#define F(x) if(flg&x) { fprintf(f,"%s=>1,",#x); flg &= !x; }
static int count=0;
static void xref( grib_action* act, FILE* f,const char *path)
{
grib_action_gen* a = ( grib_action_gen*)act;
unsigned long flg = act->flags;
int position= a->len > 0 ? count++ : -1;
fprintf(f,"bless({path=>'%s',size => %ld, name=> '%s', position=> %d, ",path, (long)a->len , act->name,position);
fprintf(f," params=> [");
grib_arguments_print(act->context,a->params,NULL);
fprintf(f,"], flags=> {");
F(GRIB_ACCESSOR_FLAG_READ_ONLY);
F(GRIB_ACCESSOR_FLAG_DUMP);
F(GRIB_ACCESSOR_FLAG_EDITION_SPECIFIC);
F(GRIB_ACCESSOR_FLAG_CAN_BE_MISSING);
F(GRIB_ACCESSOR_FLAG_HIDDEN);
F(GRIB_ACCESSOR_FLAG_CONSTRAINT);
F(GRIB_ACCESSOR_FLAG_OVERRIDE);
F(GRIB_ACCESSOR_FLAG_NO_COPY);
F(GRIB_ACCESSOR_FLAG_COPY_OK);
F(GRIB_ACCESSOR_FLAG_FUNCTION);
F(GRIB_ACCESSOR_FLAG_DATA);
F(GRIB_ACCESSOR_FLAG_NO_FAIL);
F(GRIB_ACCESSOR_FLAG_TRANSIENT);
F(GRIB_ACCESSOR_FLAG_STRING_TYPE);
F(GRIB_ACCESSOR_FLAG_LONG_TYPE);
F(GRIB_ACCESSOR_FLAG_DOUBLE_TYPE);
/* make sure all flags are processed */
if(flg) { printf("FLG = %ld\n",(long)flg); }
Assert(flg == 0);
fprintf(f,"}, defaults=> [");
grib_arguments_print(act->context,act->default_value,NULL);
fprintf(f,"]}, 'xref::%s'),\n",act->op);
}
static int create_accessor( grib_section* p, grib_action* act, grib_loader *loader)
{
grib_action_gen* a = ( grib_action_gen*)act;
grib_accessor* ga = NULL;
ga = grib_accessor_factory( p, act,a->len,a->params);
if(!ga) return GRIB_INTERNAL_ERROR;
grib_push_accessor(ga,p->block);
if(ga->flags & GRIB_ACCESSOR_FLAG_CONSTRAINT)
grib_dependency_observe_arguments(ga,act->default_value);
if(loader == NULL)
return GRIB_SUCCESS;
else
return loader->init_accessor(loader,ga,act->default_value);
}
static int notify_change(grib_action* act, grib_accessor * notified, grib_accessor* changed)
{
if(act->default_value)
return grib_pack_expression(notified,grib_arguments_get_expression(grib_handle_of_accessor(notified),act->default_value,0));
return GRIB_SUCCESS;
}
static void destroy(grib_context* context,grib_action* act)
{
grib_action_gen* a = ( grib_action_gen*)act;
if(a->params != act->default_value)
grib_arguments_free(context, a->params);
grib_arguments_free(context, act->default_value);
grib_context_free_persistent(context, act->name);
grib_context_free_persistent(context, act->op);
grib_context_free_persistent(context, act->name_space);
if (act->set)
grib_context_free_persistent(context, act->set);
}
static void compile(grib_action* act, grib_compiler* compiler)
{
grib_action_gen* a = (grib_action_gen*)act;
fprintf(compiler->out,"%s = grib_action_create_gen(ctx,",compiler->var);
fprintf(compiler->out,"\"%s\",",act->name);
fprintf(compiler->out,"\"%s\",",act->op);
fprintf(compiler->out,"%ld,",a->len);
grib_compile_arguments(a->params, compiler);
fprintf(compiler->out,",");
grib_compile_arguments(act->default_value, compiler);
fprintf(compiler->out,",");
grib_compile_flags(compiler,act->flags);
fprintf(compiler->out,",");
if(act->name_space) {
fprintf(compiler->out,"\"%s\",",act->name_space);
}
else
{
fprintf(compiler->out,"NULL,");
}
if(act->set) {
fprintf(compiler->out,"\"%s\");",act->set);
}
else
{
fprintf(compiler->out,"NULL);");
}
fprintf(compiler->out,"\n");
}