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use libandroidfw for resource XML parsing

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androidfw is implemented in native code and has much better performance
than ARSClib
This commit is contained in:
Julian Winkler
2024-05-12 17:03:27 +02:00
committed by Mis012
parent e2edbb0b59
commit cc5d4a3cb3
9 changed files with 280 additions and 115 deletions
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127
src/api-impl-jni/content/android_content_res_XmlBlock.c Normal file
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#include <androidfw/androidfw_c_api.h>
#include "../generated_headers/android_content_res_XmlBlock.h"
#include "../defines.h"
JNIEXPORT jlong JNICALL Java_android_content_res_XmlBlock_nativeCreateParseState(JNIEnv *env, jobject this, jlong block)
{
struct ResXMLTree *tree = (struct ResXMLTree *)_PTR(block);
struct ResXMLParser *parser = ResXMLParser_new(tree);
ResXMLParser_restart(parser);
return _INTPTR(parser);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeNext(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
enum event_code_t ret = ResXMLParser_next(parser);
if (ret > 0x100)
return ret - 0x100;
return ret;
}
JNIEXPORT jstring JNICALL Java_android_content_res_XmlBlock_nativeGetPooledString(JNIEnv *env, jobject this, jlong parser_ptr, jint index)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
const struct ResStringPool *string_pool = ResXMLParser_getStrings(parser);
size_t len;
const char16_t *string = ResStringPool_stringAt(string_pool, index, &len);
if (!string)
return NULL;
return (*env)->NewString(env, string, len);
}
JNIEXPORT jstring JNICALL Java_android_content_res_XmlBlock_nativeGetName(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
int idx = ResXMLParser_getElementNameID(parser);
if (idx < 0)
return NULL;
return Java_android_content_res_XmlBlock_nativeGetPooledString(env, this, parser_ptr, idx);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeCount(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
return ResXMLParser_getAttributeCount(parser);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeResource(JNIEnv *env, jobject this, jlong parser_ptr, jint index)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
return ResXMLParser_getAttributeNameResID(parser, index);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeIndex(JNIEnv *env, jobject this, jlong parser_ptr, jstring namespace_str, jstring name_str)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
const char16_t *namespace = NULL;
int namespace_len = 0;
if (namespace_str) {
namespace = (*env)->GetStringChars(env, namespace_str, NULL);
namespace_len = (*env)->GetStringLength(env, namespace_str);
}
const char16_t *name = (*env)->GetStringChars(env, name_str, NULL);
int name_len = (*env)->GetStringLength(env, name_str);
int ret = ResXMLParser_indexOfAttribute(parser, namespace, namespace_len, name, name_len);
if (namespace_str)
(*env)->ReleaseStringChars(env, namespace_str, namespace);
(*env)->ReleaseStringChars(env, name_str, name);
return ret;
}
JNIEXPORT jstring JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeStringValue(JNIEnv *env, jobject this, jlong parser_ptr, jint index)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
int idx = ResXMLParser_getAttributeValueStringID(parser, index);
if (idx < 0)
return NULL;
return Java_android_content_res_XmlBlock_nativeGetPooledString(env, this, parser_ptr, idx);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetLineNumber(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
return ResXMLParser_getLineNumber(parser);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeDataType(JNIEnv *env, jobject this, jlong parser_ptr, jint index)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
return ResXMLParser_getAttributeDataType(parser, index);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetAttributeData(JNIEnv *env, jobject this, jlong parser_ptr, jint index)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
return ResXMLParser_getAttributeData(parser, index);
}
JNIEXPORT void JNICALL Java_android_content_res_XmlBlock_nativeDestroyParseState(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
ResXMLParser_delete(parser);
}
JNIEXPORT void JNICALL Java_android_content_res_XmlBlock_nativeDestroy(JNIEnv *env, jobject this, jlong block)
{
struct ResXMLTree *tree = (struct ResXMLTree *)_PTR(block);
ResXMLTree_delete(tree);
}
JNIEXPORT jstring JNICALL Java_android_content_res_XmlBlock_nativeGetClassAttribute(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
int idx = ResXMLParser_indexOfClass(parser);
return Java_android_content_res_XmlBlock_nativeGetAttributeStringValue(env, this, parser_ptr, idx);
}
JNIEXPORT jint JNICALL Java_android_content_res_XmlBlock_nativeGetStyleAttribute(JNIEnv *env, jobject this, jlong parser_ptr)
{
struct ResXMLParser *parser = (struct ResXMLParser *)_PTR(parser_ptr);
int idx = ResXMLParser_indexOfStyle(parser);
struct Res_value value;
ResXMLParser_getAttributeValue(parser, idx, &value);
return value.data;
}