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AssetManager: use libandroidfw for everything except XML parsing

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binary XML parsing still relies on ARSClib for now
This commit is contained in:
Julian Winkler
2024-02-02 13:34:19 +01:00
parent 8d4d0021b3
commit c1d8956309
3 changed files with 198 additions and 140 deletions
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102
src/api-impl-jni/android_content_res_AssetManager.c
View File

@@ -167,14 +167,16 @@ JNIEXPORT jobjectArray JNICALL Java_android_content_res_AssetManager_getArrayStr
int bag_count = ResTable_lockBag(res_table, ident, &bag);
jobjectArray array = (*env)->NewObjectArray(env, bag_count, (*env)->FindClass(env, "java/lang/String"), NULL);
for (i = 0; i < bag_count; i++) {
struct Res_value value = bag[i].map.value;
ssize_t block = ResTable_resolveReference(res_table, &value, bag[i].stringBlock, NULL, NULL, NULL);
if (bag[i].map.value.dataType == TYPE_STRING) {
const struct ResStringPool *string_pool = ResTable_getTableStringBlock(res_table, bag[i].stringBlock);
const struct ResStringPool *string_pool = ResTable_getTableStringBlock(res_table, block);
if (string_pool == NULL)
continue;
size_t len;
const char16_t *string = ResStringPool_stringAt(string_pool, bag[i].map.value.data, &len);
(*env)->SetObjectArrayElement(env, array, i, (*env)->NewString(env, string, len));
}
}
}
ResTable_unlockBag(res_table, bag);
@@ -270,3 +272,99 @@ JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_loadThemeAttributeV
}
return block;
}
JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_getArraySize(JNIEnv *env, jobject this, jint ident)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
const struct bag_entry *bag;
int bag_count = ResTable_lockBag(res_table, ident, &bag);
ResTable_unlockBag(res_table, bag);
return bag_count;
}
JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_retrieveArray(JNIEnv *env, jobject this, jint ident, jintArray outArray)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
const struct bag_entry *bag;
int i;
jint *array = (*env)->GetIntArrayElements(env, outArray, NULL);
int bag_count = ResTable_lockBag(res_table, ident, &bag);
for (i = 0; i < bag_count; i++) {
struct Res_value value = bag[i].map.value;
uint32_t resId = 0;
ssize_t block = ResTable_resolveReference(res_table, &value, bag[i].stringBlock, &resId, NULL, NULL);
array[i*android_content_res_AssetManager_STYLE_NUM_ENTRIES + android_content_res_AssetManager_STYLE_TYPE] = value.dataType;
array[i*android_content_res_AssetManager_STYLE_NUM_ENTRIES + android_content_res_AssetManager_STYLE_DATA] = value.data;
array[i*android_content_res_AssetManager_STYLE_NUM_ENTRIES + android_content_res_AssetManager_STYLE_ASSET_COOKIE] = block;
array[i*android_content_res_AssetManager_STYLE_NUM_ENTRIES + android_content_res_AssetManager_STYLE_RESOURCE_ID] = resId;
}
ResTable_unlockBag(res_table, bag);
(*env)->ReleaseIntArrayElements(env, outArray, array, 0);
return bag_count;
}
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourcePackageName(JNIEnv *env, jobject this, jint ident)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
struct resource_name res_name;
bool ret = ResTable_getResourceName(res_table, ident, false, &res_name);
return (ret && res_name.package) ? (*env)->NewString(env, res_name.package, res_name.packageLen) : NULL;
}
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourceTypeName(JNIEnv *env, jobject this, jint ident)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
struct resource_name res_name;
bool ret = ResTable_getResourceName(res_table, ident, false, &res_name);
return (ret && res_name.type) ? (*env)->NewString(env, res_name.type, res_name.typeLen) : NULL;
}
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourceEntryName(JNIEnv *env, jobject this, jint ident)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
struct resource_name res_name;
bool ret = ResTable_getResourceName(res_table, ident, false, &res_name);
return (ret && res_name.name) ? (*env)->NewString(env, res_name.name, res_name.nameLen) : NULL;
}
JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_loadResourceBagValue(JNIEnv *env, jobject this, jint ident, jint bagEntryId, jobject outValue, jboolean resolve)
{
struct AssetManager *asset_manager = _PTR(_GET_LONG_FIELD(this, "mObject"));
const struct ResTable *res_table = AssetManager_getResources(asset_manager, true);
const struct bag_entry *bag;
int i;
ssize_t block = -1;
int bag_count = ResTable_lockBag(res_table, ident, &bag);
for (i = 0; i < bag_count; i++) {
if (bag[i].map.name.ident == bagEntryId) {
struct Res_value value = bag[i].map.value;
uint32_t resId = 0;
block = ResTable_resolveReference(res_table, &value, bag[i].stringBlock, &resId, NULL, NULL);
_SET_INT_FIELD(outValue, "type", value.dataType);
_SET_INT_FIELD(outValue, "data", value.data);
_SET_INT_FIELD(outValue, "resourceId", resId);
if (value.dataType == TYPE_STRING) {
const struct ResStringPool *string_pool = ResTable_getTableStringBlock(res_table, block);
size_t len;
const char16_t *string = ResStringPool_stringAt(string_pool, value.data, &len);
_SET_OBJ_FIELD(outValue, "string", "Ljava/lang/CharSequence;", (*env)->NewString(env, string, len));
} else {
_SET_OBJ_FIELD(outValue, "string", "Ljava/lang/CharSequence;", NULL);
}
break;
}
}
ResTable_unlockBag(res_table, bag);
return block;
}

24
src/api-impl-jni/generated_headers/android_content_res_AssetManager.h
View File

@@ -89,6 +89,30 @@ JNIEXPORT jobjectArray JNICALL Java_android_content_res_AssetManager_getLocales
JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_getResourceIdentifier
(JNIEnv *, jobject, jstring, jstring, jstring);
/*
* Class: android_content_res_AssetManager
* Method: getResourcePackageName
* Signature: (I)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourcePackageName
(JNIEnv *, jobject, jint);
/*
* Class: android_content_res_AssetManager
* Method: getResourceTypeName
* Signature: (I)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourceTypeName
(JNIEnv *, jobject, jint);
/*
* Class: android_content_res_AssetManager
* Method: getResourceEntryName
* Signature: (I)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_android_content_res_AssetManager_getResourceEntryName
(JNIEnv *, jobject, jint);
/*
* Class: android_content_res_AssetManager
* Method: openAsset