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Allow casting properties of different types

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This commit is contained in:
Sam Lantinga
2023-11-12 19:06:23 -08:00
parent bd269b0f41
commit 6afae6681b
2 changed files with 108 additions and 36 deletions
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90
src/SDL_properties.c
View File

@@ -20,6 +20,7 @@
*/
#include "SDL_internal.h"
#include "SDL_hashtable.h"
#include "SDL_hints_c.h"
#include "SDL_properties_c.h"
@@ -35,6 +36,8 @@ typedef struct
SDL_bool boolean_value;
} value;
char *string_storage;
void (SDLCALL *cleanup)(void *userdata, void *value);
void *userdata;
} SDL_Property;
@@ -67,6 +70,9 @@ static void SDL_FreeProperty(const void *key, const void *value, void *data)
default:
break;
}
if (property->string_storage) {
SDL_free(property->string_storage);
}
}
SDL_free((void *)key);
SDL_free((void *)value);
@@ -342,7 +348,7 @@ int SDL_SetBooleanProperty(SDL_PropertiesID props, const char *name, SDL_bool va
return SDL_OutOfMemory();
}
property->type = SDL_PROPERTY_TYPE_BOOLEAN;
property->value.boolean_value = value;
property->value.boolean_value = value ? SDL_TRUE : SDL_FALSE;
return SDL_PrivateSetProperty(props, name, property);
}
@@ -461,10 +467,40 @@ const char *SDL_GetStringProperty(SDL_PropertiesID props, const char *name, cons
{
SDL_Property *property = NULL;
if (SDL_FindInHashTable(properties->props, name, (const void **)&property)) {
if (property->type == SDL_PROPERTY_TYPE_STRING) {
switch (property->type) {
case SDL_PROPERTY_TYPE_STRING:
value = property->value.string_value;
break;
case SDL_PROPERTY_TYPE_NUMBER:
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_asprintf(&property->string_storage, "%" SDL_PRIs64 "", property->value.number_value);
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_OutOfMemory();
}
}
break;
case SDL_PROPERTY_TYPE_FLOAT:
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_asprintf(&property->string_storage, "%f", property->value.float_value);
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_OutOfMemory();
}
}
break;
case SDL_PROPERTY_TYPE_BOOLEAN:
value = property->value.boolean_value ? "true" : "false";
break;
default:
SDL_SetError("Property %s isn't a string value", name);
break;
}
} else {
SDL_SetError("Couldn't find property named %s", name);
@@ -502,10 +538,22 @@ Sint64 SDL_GetNumberProperty(SDL_PropertiesID props, const char *name, Sint64 de
{
SDL_Property *property = NULL;
if (SDL_FindInHashTable(properties->props, name, (const void **)&property)) {
if (property->type == SDL_PROPERTY_TYPE_NUMBER) {
switch (property->type) {
case SDL_PROPERTY_TYPE_STRING:
value = SDL_strtoll(property->value.string_value, NULL, 0);
break;
case SDL_PROPERTY_TYPE_NUMBER:
value = property->value.number_value;
} else {
SDL_SetError("Property %s isn't a string value", name);
break;
case SDL_PROPERTY_TYPE_FLOAT:
value = (Sint64)SDL_round((double)property->value.float_value);
break;
case SDL_PROPERTY_TYPE_BOOLEAN:
value = property->value.boolean_value;
break;
default:
SDL_SetError("Property %s isn't a number value", name);
break;
}
} else {
SDL_SetError("Couldn't find property named %s", name);
@@ -543,10 +591,22 @@ float SDL_GetFloatProperty(SDL_PropertiesID props, const char *name, float defau
{
SDL_Property *property = NULL;
if (SDL_FindInHashTable(properties->props, name, (const void **)&property)) {
if (property->type == SDL_PROPERTY_TYPE_FLOAT) {
switch (property->type) {
case SDL_PROPERTY_TYPE_STRING:
value = (float)SDL_atof(property->value.string_value);
break;
case SDL_PROPERTY_TYPE_NUMBER:
value = (float)property->value.number_value;
break;
case SDL_PROPERTY_TYPE_FLOAT:
value = property->value.float_value;
} else {
break;
case SDL_PROPERTY_TYPE_BOOLEAN:
value = (float)property->value.boolean_value;
break;
default:
SDL_SetError("Property %s isn't a float value", name);
break;
}
} else {
SDL_SetError("Couldn't find property named %s", name);
@@ -584,10 +644,22 @@ SDL_bool SDL_GetBooleanProperty(SDL_PropertiesID props, const char *name, SDL_bo
{
SDL_Property *property = NULL;
if (SDL_FindInHashTable(properties->props, name, (const void **)&property)) {
if (property->type == SDL_PROPERTY_TYPE_BOOLEAN) {
switch (property->type) {
case SDL_PROPERTY_TYPE_STRING:
value = SDL_GetStringBoolean(property->value.string_value, default_value);
break;
case SDL_PROPERTY_TYPE_NUMBER:
value = (property->value.number_value != 0);
break;
case SDL_PROPERTY_TYPE_FLOAT:
value = (property->value.float_value != 0.0f);
break;
case SDL_PROPERTY_TYPE_BOOLEAN:
value = property->value.boolean_value;
} else {
break;
default:
SDL_SetError("Property %s isn't a boolean value", name);
break;
}
} else {
SDL_SetError("Couldn't find property named %s", name);

52
test/testautomation_properties.c
View File

@@ -81,7 +81,7 @@ static int properties_testBasic(void *arg)
"Verify property, expected 0xabcd, got: %p", value);
value_string = SDL_GetStringProperty(props, "foo", "abcd");
SDLTest_AssertCheck(value_string && SDL_strcmp(value_string, "abcd") == 0,
"Verify string property, expected \"abcd\", got: %s", value_string);
"Verify string property, expected abcd, got: %s", value_string);
value_number = SDL_GetNumberProperty(props, "foo", 1234);
SDLTest_AssertCheck(value_number == 1234,
"Verify number property, expected 1234, got: %" SDL_PRIu64 "", value_number);
@@ -125,7 +125,7 @@ static int properties_testBasic(void *arg)
"Verify property, expected NULL, got: %p", value);
value_string = SDL_GetStringProperty(props, "foo", NULL);
SDLTest_AssertCheck(value_string != NULL && SDL_strcmp(value_string, "bar") == 0,
"Verify string property, expected \"bar\", got: %s", value_string);
"Verify string property, expected bar, got: %s", value_string);
value_number = SDL_GetNumberProperty(props, "foo", 0);
SDLTest_AssertCheck(value_number == 0,
"Verify number property, expected 0, got: %" SDL_PRIu64 "", value_number);
@@ -133,8 +133,8 @@ static int properties_testBasic(void *arg)
SDLTest_AssertCheck(value_float == 0.0f,
"Verify float property, expected 0, got: %f", value_float);
value_bool = SDL_GetBooleanProperty(props, "foo", SDL_FALSE);
SDLTest_AssertCheck(value_bool == SDL_FALSE,
"Verify boolean property, expected SDL_FALSE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
SDLTest_AssertCheck(value_bool == SDL_TRUE,
"Verify boolean property, expected SDL_TRUE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
/* Check number value */
SDLTest_AssertPass("Call to SDL_SetNumberProperty(\"foo\", 1)");
@@ -146,21 +146,21 @@ static int properties_testBasic(void *arg)
SDLTest_AssertCheck(value == NULL,
"Verify property, expected NULL, got: %p", value);
value_string = SDL_GetStringProperty(props, "foo", NULL);
SDLTest_AssertCheck(value_string == NULL,
"Verify string property, expected NULL, got: %s", value_string);
SDLTest_AssertCheck(value_string && SDL_strcmp(value_string, "1") == 0,
"Verify string property, expected 1, got: %s", value_string);
value_number = SDL_GetNumberProperty(props, "foo", 0);
SDLTest_AssertCheck(value_number == 1,
"Verify number property, expected 1, got: %" SDL_PRIu64 "", value_number);
value_float = SDL_GetFloatProperty(props, "foo", 0.0f);
SDLTest_AssertCheck(value_float == 0.0f,
"Verify float property, expected 0, got: %f", value_float);
SDLTest_AssertCheck(value_float == 1.0f,
"Verify float property, expected 1, got: %f", value_float);
value_bool = SDL_GetBooleanProperty(props, "foo", SDL_FALSE);
SDLTest_AssertCheck(value_bool == SDL_FALSE,
"Verify boolean property, expected SDL_FALSE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
SDLTest_AssertCheck(value_bool == SDL_TRUE,
"Verify boolean property, expected SDL_TRUE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
/* Check float value */
SDLTest_AssertPass("Call to SDL_SetFloatProperty(\"foo\", 1)");
SDL_SetFloatProperty(props, "foo", 1.0f);
SDL_SetFloatProperty(props, "foo", 1.75f);
type = SDL_GetPropertyType(props, "foo");
SDLTest_AssertCheck(type == SDL_PROPERTY_TYPE_FLOAT,
"Verify property type, expected %d, got: %d", SDL_PROPERTY_TYPE_FLOAT, type);
@@ -168,21 +168,21 @@ static int properties_testBasic(void *arg)
SDLTest_AssertCheck(value == NULL,
"Verify property, expected NULL, got: %p", value);
value_string = SDL_GetStringProperty(props, "foo", NULL);
SDLTest_AssertCheck(value_string == NULL,
"Verify string property, expected NULL, got: %s", value_string);
SDLTest_AssertCheck(value_string && SDL_strcmp(value_string, "1.750000") == 0,
"Verify string property, expected 1.750000, got: %s", value_string);
value_number = SDL_GetNumberProperty(props, "foo", 0);
SDLTest_AssertCheck(value_number == 0,
"Verify number property, expected 0, got: %" SDL_PRIu64 "", value_number);
SDLTest_AssertCheck(value_number == 2,
"Verify number property, expected 2, got: %" SDL_PRIu64 "", value_number);
value_float = SDL_GetFloatProperty(props, "foo", 0.0f);
SDLTest_AssertCheck(value_float == 1.0f,
"Verify string property, expected 1, got: %f", value_float);
SDLTest_AssertCheck(value_float == 1.75f,
"Verify float property, expected 1.75, got: %f", value_float);
value_bool = SDL_GetBooleanProperty(props, "foo", SDL_FALSE);
SDLTest_AssertCheck(value_bool == SDL_FALSE,
"Verify boolean property, expected SDL_FALSE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
SDLTest_AssertCheck(value_bool == SDL_TRUE,
"Verify boolean property, expected SDL_TRUE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");
/* Check boolean value */
SDLTest_AssertPass("Call to SDL_SetBooleanProperty(\"foo\", SDL_TRUE)");
SDL_SetBooleanProperty(props, "foo", SDL_TRUE);
SDL_SetBooleanProperty(props, "foo", 3); /* Note we're testing non-true/false value here */
type = SDL_GetPropertyType(props, "foo");
SDLTest_AssertCheck(type == SDL_PROPERTY_TYPE_BOOLEAN,
"Verify property type, expected %d, got: %d", SDL_PROPERTY_TYPE_BOOLEAN, type);
@@ -190,14 +190,14 @@ static int properties_testBasic(void *arg)
SDLTest_AssertCheck(value == NULL,
"Verify property, expected NULL, got: %p", value);
value_string = SDL_GetStringProperty(props, "foo", NULL);
SDLTest_AssertCheck(value_string == NULL,
"Verify string property, expected NULL, got: %s", value_string);
SDLTest_AssertCheck(value_string && SDL_strcmp(value_string, "true") == 0,
"Verify string property, expected true, got: %s", value_string);
value_number = SDL_GetNumberProperty(props, "foo", 0);
SDLTest_AssertCheck(value_number == 0,
"Verify number property, expected 0, got: %" SDL_PRIu64 "", value_number);
SDLTest_AssertCheck(value_number == 1,
"Verify number property, expected 1, got: %" SDL_PRIu64 "", value_number);
value_float = SDL_GetFloatProperty(props, "foo", 0.0f);
SDLTest_AssertCheck(value_float == 0.0f,
"Verify string property, expected 0, got: %f", value_float);
SDLTest_AssertCheck(value_float == 1.0f,
"Verify float property, expected 1, got: %f", value_float);
value_bool = SDL_GetBooleanProperty(props, "foo", SDL_FALSE);
SDLTest_AssertCheck(value_bool == SDL_TRUE,
"Verify boolean property, expected SDL_TRUE, got: %s", value_bool ? "SDL_TRUE" : "SDL_FALSE");