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skin_parser add empty parser callback remove guard conditionals

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it appears callback is only set once in skin_parse() and then its never touched again
making repeatd checks pointless anyway

Change-Id: Iae4cb064b17f9c4e89a3ef772110ead17332cba2
This commit is contained in:
William Wilgus 2024-12-08 11:53:07 -05:00 • committed by William Wilgus
parent bc1d7d77c5
commit ca79fd039c
1 changed files with 34 additions and 47 deletions
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81
lib/skin_parser/skin_parser.c
View file

@ -38,8 +38,9 @@ char* skin_start = 0;
static int viewport_line = 0;
#ifdef ROCKBOX
static skin_callback callback = NULL;
static void* callback_data;
static int empty_callback(struct skin_element* element, void* data);
static skin_callback callback = &empty_callback;
static void* callback_data = NULL;
#endif
/* Auxiliary parsing functions (not visible at global scope) */
@ -71,6 +72,13 @@ static void skip_whitespace(const char** document)
}
#ifdef ROCKBOX
static int empty_callback(struct skin_element* element, void* data)
{
(void)element;
(void)data;
return CALLBACK_OK;
}
struct skin_element* skin_parse(const char* document,
skin_callback cb, void* cb_data)
{
@ -153,7 +161,7 @@ static struct skin_element* skin_parse_viewport(const char** document)
}
}
#ifdef ROCKBOX
else if (callback)
else
{
if (callback(retval, callback_data) == CALLBACK_ERROR)
{
@ -331,16 +339,10 @@ static struct skin_element* skin_parse_line_optional(const char** document,
}
#ifdef ROCKBOX
if (callback)
if (callback(retval, callback_data) == CALLBACK_ERROR)
{
switch (callback(retval, callback_data))
{
case CALLBACK_ERROR:
skin_error(GOT_CALLBACK_ERROR, cursor);
return NULL;
default:
break;
}
skin_error(GOT_CALLBACK_ERROR, cursor);
return NULL;
}
#endif
@ -480,13 +482,10 @@ static struct skin_element* skin_parse_sublines_optional(const char** document,
}
#ifdef ROCKBOX
if (callback)
if (callback(retval, callback_data) == CALLBACK_ERROR)
{
if (callback(retval, callback_data) == CALLBACK_ERROR)
{
skin_error(GOT_CALLBACK_ERROR, *document);
return NULL;
}
skin_error(GOT_CALLBACK_ERROR, *document);
return NULL;
}
#endif
*document = cursor;
@ -542,13 +541,10 @@ static int skin_parse_tag(struct skin_element* element, const char** document)
{
#ifdef ROCKBOX
if (callback)
if (callback(element, callback_data) == CALLBACK_ERROR)
{
if (callback(element, callback_data) == CALLBACK_ERROR)
{
skin_error(GOT_CALLBACK_ERROR, cursor);
return 0;
}
skin_error(GOT_CALLBACK_ERROR, cursor);
return 0;
}
#endif
*document = cursor;
@ -826,13 +822,10 @@ static int skin_parse_tag(struct skin_element* element, const char** document)
return 0;
}
#ifdef ROCKBOX
if (callback)
if (callback(element, callback_data) == CALLBACK_ERROR)
{
if (callback(element, callback_data) == CALLBACK_ERROR)
{
skin_error(GOT_CALLBACK_ERROR, *document);
return 0;
}
skin_error(GOT_CALLBACK_ERROR, *document);
return 0;
}
#endif
*document = cursor;
@ -897,13 +890,10 @@ static int skin_parse_text(struct skin_element* element, const char** document,
text[length] = '\0';
#ifdef ROCKBOX
if (callback)
if (callback(element, callback_data) == CALLBACK_ERROR)
{
if (callback(element, callback_data) == CALLBACK_ERROR)
{
skin_error(GOT_CALLBACK_ERROR, *document);
return 0;
}
skin_error(GOT_CALLBACK_ERROR, *document);
return 0;
}
#endif
@ -940,18 +930,15 @@ static int skin_parse_conditional(struct skin_element* element, const char** doc
element->type = CONDITIONAL;
#ifdef ROCKBOX
if (callback)
switch (callback(element, callback_data))
{
switch (callback(element, callback_data))
{
case FEATURE_NOT_AVAILABLE:
feature_available = false;
break;
case CALLBACK_ERROR:
return 0;
default:
break;
}
case FEATURE_NOT_AVAILABLE:
feature_available = false;
break;
case CALLBACK_ERROR:
return 0;
default:
break;
}
#endif