/** function to generate a People "object" from a preferences description */
static NftResult _people_from_prefs(NftPrefs *p, void **newObj, NftPrefsNode *node, void *userptr)
{
people.people_count = sizeof(persons)/sizeof(struct Person);
/* call toObj() of child objects */
NftPrefsNode *child;
size_t i = 0;
for(child = nft_prefs_node_get_first_child(node);
child;
child = nft_prefs_node_get_next(child))
{
if(i >= sizeof(persons)/sizeof(struct Person))
{
NFT_LOG(L_ERROR, "more persons in prefs file than expected");
return NFT_FAILURE;
}
/* call toObj function of child node (should be a <person> node) */
if(!(people.people[i++] = nft_prefs_obj_from_node(p, child, userptr)))
{
NFT_LOG(L_ERROR, "Failed to create object from preference node");
return NFT_FAILURE;
}
}
/* save pointer to new object */
*newObj = &people;
return NFT_SUCCESS;
}
/**
* get next sibling of a node with a certain name
*
* @param n NftPrefsNode from which sibling should be fetched
* @param name name of sibling node
* @result sibling node or NULL
*/
NftPrefsNode *nft_prefs_node_get_next_with_name(NftPrefsNode * n, const char *name)
{
if(!n || !name)
NFT_LOG_NULL(NULL);
for(NftPrefsNode *sibling = nft_prefs_node_get_next(n);
sibling;
sibling = nft_prefs_node_get_next(sibling))
{
if(strcmp(nft_prefs_node_get_name(sibling), name) == 0)
{
return sibling;
}
}
return NULL;
}
/**
* Config-to-Object function.
* Creates a LedHardware model from a prefs node
* @note you shouldn't call this function directly
* It's used by nft_prefs_obj_from_node() etc.
*/
static NftResult _prefs_to_chain(LedPrefs * p, void **newObj,
NftPrefsNode * n, void *userptr)
{
if(!p || !newObj)
NFT_LOG_NULL(NFT_FAILURE);
/* LedCount of chain */
int ledcount = 0;
if(!nft_prefs_node_prop_int_get
(n, LED_CHAIN_PROP_LEDCOUNT, &ledcount))
{
NFT_LOG(L_WARNING,
"chain has no \"%s\" property. Using %d as default.",
LED_CHAIN_PROP_LEDCOUNT, ledcount);
}
/* new chain */
LedChain *c;
/* get format of this chain */
char *format;
if(!(format = nft_prefs_node_prop_string_get(n,
LED_CHAIN_PROP_FORMAT)))
{
#define LED_CHAIN_DEFAULT_FORMAT "RGB u8"
NFT_LOG(L_WARNING,
"chain has no \"%s\" property. Using \"%s\" as default.",
LED_CHAIN_PROP_FORMAT, LED_CHAIN_DEFAULT_FORMAT);
/* new chain (with default format) */
if(!(c = led_chain_new((LedCount) ledcount, LED_CHAIN_DEFAULT_FORMAT)))
{
NFT_LOG(L_ERROR,
"Failed to create new LedSetup object");
return NFT_FAILURE;
}
/* free string */
nft_prefs_free(format);
}
/* create new chain with given format */
else
{
/* new chain */
if(!(c = led_chain_new(ledcount, format)))
{
NFT_LOG(L_ERROR,
"Failed to create new LedSetup object");
return NFT_FAILURE;
}
}
/* free string */
nft_prefs_free(format);
/* process child nodes (LEDs) */
NftPrefsNode *child;
LedCount i = 0;
for(child = nft_prefs_node_get_first_child(n);
child; child = nft_prefs_node_get_next(child))
{
/* check if node describes a Led object */
if(!led_prefs_is_led_node(child))
{
NFT_LOG(L_ERROR,
"\"chain\" may only contain \"%s\" children. Skipping \"%s\".",
LED_LED_NAME, nft_prefs_node_get_name(child));
continue;
}
/* create Led from node */
Led *l = led_chain_get_nth(c, i++);
if(!led_prefs_led_from_node(p, child, l))
goto _ptc_error;
}
/* save new chain-object to "newObj" pointer */
*newObj = c;
return NFT_SUCCESS;
_ptc_error:
led_chain_destroy(c);
return NFT_FAILURE;
}
/**
* Config-to-Object function.
* Creates a LedHardware model from a prefs node
* @note you shouldn't call this function directly.
* It's used by nft_prefs_obj_from_node() etc.
*/
static NftResult _prefs_to_hardware(LedPrefs * p, void **newObj,
NftPrefsNode * n, void *userptr)
{
if(!p || !newObj || !n)
NFT_LOG_NULL(NFT_FAILURE);
/** initial result */
NftResult r = NFT_FAILURE;
char *name = NULL;
char *id = NULL;
char *plugin_name = NULL;
LedHardware *h = NULL;
/* get hardware name */
if(!
(name = nft_prefs_node_prop_string_get(n, LED_HARDWARE_PROP_NAME)))
{
NFT_LOG(L_ERROR, "\"hardware\" has no name");
goto _pth_end;
}
/* get plugin-name */
if(!
(plugin_name =
nft_prefs_node_prop_string_get(n, LED_HARDWARE_PROP_PLUGIN)))
{
NFT_LOG(L_ERROR, "\"hardware\" has no \"plugin\" type");
goto _pth_end;
}
/* get plugin-id */
if(!(id = nft_prefs_node_prop_string_get(n, LED_HARDWARE_PROP_ID)))
{
NFT_LOG(L_ERROR, "\"hardware\" has no \"id\" type");
goto _pth_end;
}
/* get stride */
LedCount stride;
if(!
(nft_prefs_node_prop_int_get
(n, LED_HARDWARE_PROP_STRIDE, (int *) &stride)))
{
NFT_LOG(L_WARNING,
"\"hardware\" has no \"stride\". Using 0 as default.");
stride = 0;
}
/* create new hardware object */
if(!(h = led_hardware_new(name, plugin_name)))
{
NFT_LOG(L_ERROR,
"Failed to initialize \"%s\" from \"%s\" plugin.",
name, plugin_name);
goto _pth_end;
}
/* set stride */
if(!(led_hardware_set_stride(h, stride)))
{
NFT_LOG(L_ERROR,
"Failed to set stride (%d) of hardware \"%s\"",
stride, name);
goto _pth_end;
}
/* set id */
if(!(led_hardware_set_id(h, id)))
{
NFT_LOG(L_ERROR, "Failed to set ID \"%s\" of hardware \"%s\"",
id, name);
goto _pth_end;
}
/** @todo handle custom properties */
/* process child nodes */
LedPrefsNode *child;
for(child = nft_prefs_node_get_first_child(n);
child; child = nft_prefs_node_get_next(child))
{
/* is child a tile node? */
if(led_prefs_is_tile_node(child))
{
if(!led_hardware_append_tile
(h, led_prefs_tile_from_node(p, child)))
{
NFT_LOG(L_ERROR,
"Failed to add \"tile\" to \"%s\". Aborting.",
name);
goto _pth_end;
}
continue;
}
/* is child a chain node? */
else if(led_prefs_is_chain_node(child))
{
LedChain *c;
if(!(c = led_prefs_chain_from_node(p, child)))
{
NFT_LOG(L_ERROR,
"Failed to create \"chain\" node of hardware %s",
name);
goto _pth_end;
}
if(!led_hardware_init
(h, id, led_chain_get_ledcount(c),
led_pixel_format_to_string(led_chain_get_format
(c))))
{
NFT_LOG(L_WARNING,
"Failed to initialize hardware \"%s\"",
name);
}
led_chain_destroy(c);
}
/* is child a plugin-property node? */
else if(strcmp
(nft_prefs_node_get_name(child),
LED_HARDWARE_PROPERTY_NAME) == 0)
{
char *name = NULL;
char *type = NULL;
char *value = NULL;
/* get name of property */
if(!
(name =
nft_prefs_node_prop_string_get(child,
LED_HARDWARE_PROPERTY_PROP_NAME)))
{
NFT_LOG(L_ERROR,
"\"%s\" has no \"%s\" property",
LED_HARDWARE_PROPERTY_NAME,
LED_HARDWARE_PROPERTY_PROP_NAME);
goto _pthp_end;
}
/* type of property */
if(!
(type =
nft_prefs_node_prop_string_get(child,
LED_HARDWARE_PROPERTY_PROP_TYPE)))
{
NFT_LOG(L_ERROR,
"\"%s\" has no \"%s\" property",
LED_HARDWARE_PROPERTY_NAME,
LED_HARDWARE_PROPERTY_PROP_TYPE);
goto _pthp_end;
}
/* property value */
if(!
(value =
nft_prefs_node_prop_string_get(child,
LED_HARDWARE_PROPERTY_PROP_VALUE)))
{
NFT_LOG(L_ERROR,
"\"%s\" has no \"%s\" property",
LED_HARDWARE_PROPERTY_NAME,
LED_HARDWARE_PROPERTY_PROP_VALUE);
goto _pthp_end;
}
/* decide about type */
switch (led_hardware_plugin_prop_type_from_string
(type))
{
/* int */
case LED_HW_CUSTOM_PROP_INT:
{
int integer;
if(sscanf(value, "%32d", &integer) != 1)
{
NFT_LOG(L_ERROR,
"Failed to parse integer from \"%s\" property (\"%s\")",
LED_HARDWARE_PROPERTY_PROP_VALUE,
value);
goto _pthp_end;
}
if(!led_hardware_plugin_prop_set_int
(h, name, integer))
{
NFT_LOG(L_ERROR,
"Failed to set \"%s\" = %d)",
name, integer);
goto _pthp_end;
}
break;
}
/* float */
case LED_HW_CUSTOM_PROP_FLOAT:
{
float f;
if(sscanf(value, "%64f", &f) != 1)
{
NFT_LOG(L_ERROR,
"Failed to parse float from \"%s\" property (\"%s\")",
LED_HARDWARE_PROPERTY_PROP_VALUE,
value);
goto _pthp_end;
}
if(!led_hardware_plugin_prop_set_float
(h, name, f))
{
NFT_LOG(L_ERROR,
"Failed to set \"%s\" = %f)",
name, f);
goto _pthp_end;
}
break;
}
/* string */
case LED_HW_CUSTOM_PROP_STRING:
{
if(!led_hardware_plugin_prop_set_string(h, name, value))
{
NFT_LOG(L_ERROR,
"Failed to set \"%s\" = \"%s\")",
name, value);
goto _pthp_end;
}
break;
}
/* huh? */
default:
{
NFT_LOG(L_ERROR,
"Invalid plugin-property type: \"%s\"",
type);
break;
}
}
_pthp_end:
nft_prefs_free(name);
nft_prefs_free(type);
nft_prefs_free(value);
continue;
}
else
{
NFT_LOG(L_WARNING,
"Attempt to add \"%s\" node to hardware. Not allowed. (Ignoring node)",
nft_prefs_node_get_name(child));
continue;
}
}
/* everything pico bello */
r = NFT_SUCCESS;
_pth_end:
/* free strings */
nft_prefs_free(id);
nft_prefs_free(plugin_name);
nft_prefs_free(name);
/* newly created hardware object */
*newObj = h;
return r;
}
/**
* Config-to-Object function.
* Creates a LedSetup model from a prefs node
* @note you shouldn't call this function directly
* It's used by nft_prefs_obj_from_node() etc.
*/
static NftResult _prefs_to_setup(LedPrefs * p, void **newObj,
NftPrefsNode * n, void *userptr)
{
if(!p || !newObj)
NFT_LOG_NULL(NFT_FAILURE);
/* new setup */
LedSetup *s;
/* new setup */
if(!(s = led_setup_new()))
{
NFT_LOG(L_ERROR, "Failed to create new LedSetup object");
return NFT_FAILURE;
}
/* walk all child nodes and process them */
NftPrefsNode *child;
for(child = nft_prefs_node_get_first_child(n);
child; child = nft_prefs_node_get_next(child))
{
/* check if node describes a LedHardware object */
if(!led_prefs_is_hardware_node(child))
{
NFT_LOG(L_ERROR,
"\"%s\" object may only contain \"%s\" children but got \"%s\"",
LED_SETUP_NAME, LED_HARDWARE_NAME,
nft_prefs_node_get_name(child));
goto _pts_error;
}
/* call toObj function of child node */
LedHardware *hw;
if(!(hw = nft_prefs_obj_from_node(p, child, userptr)))
{
NFT_LOG(L_ERROR,
"Failed to create object from preference node");
return NFT_FAILURE;
}
/* register first hardware */
if(!led_setup_get_hardware(s))
{
led_setup_set_hardware(s, hw);
}
/* attach hardware to list */
else
{
if(!led_hardware_list_append_head
(led_setup_get_hardware(s), hw))
{
NFT_LOG(L_ERROR,
"Failed to append LedHardware as sibling");
return NFT_FAILURE;
}
}
}
/* save new setup-object to "newObj" pointer */
*newObj = s;
return NFT_SUCCESS;
_pts_error:
led_setup_destroy(s);
return NFT_FAILURE;
}
