427 lines
13 KiB
C++
427 lines
13 KiB
C++
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/* //device/libs/android_runtime/android_util_XmlBlock.cpp
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "XmlBlock"
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#include "jni.h"
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#include <utils/misc.h>
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#include <android_runtime/AndroidRuntime.h>
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#include <utils/AssetManager.h>
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#include <utils/Log.h>
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#include <utils/ResourceTypes.h>
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#include <stdio.h>
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namespace android {
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// ----------------------------------------------------------------------------
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static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
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{
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jclass npeClazz;
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npeClazz = env->FindClass(exc);
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LOG_FATAL_IF(npeClazz == NULL, "Unable to find class %s", exc);
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env->ThrowNew(npeClazz, msg);
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}
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static jint android_content_XmlBlock_nativeCreate(JNIEnv* env, jobject clazz,
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jbyteArray bArray,
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jint off, jint len)
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{
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if (bArray == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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jsize bLen = env->GetArrayLength(bArray);
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if (off < 0 || off >= bLen || len < 0 || len > bLen || (off+len) > bLen) {
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doThrow(env, "java/lang/IndexOutOfBoundsException");
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return 0;
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}
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jbyte* b = env->GetByteArrayElements(bArray, NULL);
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ResXMLTree* osb = new ResXMLTree(b+off, len, true);
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env->ReleaseByteArrayElements(bArray, b, 0);
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if (osb == NULL || osb->getError() != NO_ERROR) {
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doThrow(env, "java/lang/IllegalArgumentException");
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return 0;
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}
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return (jint)osb;
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}
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static jint android_content_XmlBlock_nativeGetStringBlock(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLTree* osb = (ResXMLTree*)token;
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if (osb == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)&osb->getStrings();
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}
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static jint android_content_XmlBlock_nativeCreateParseState(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLTree* osb = (ResXMLTree*)token;
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if (osb == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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ResXMLParser* st = new ResXMLParser(*osb);
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if (st == NULL) {
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doThrow(env, "java/lang/OutOfMemoryError");
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return 0;
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}
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st->restart();
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return (jint)st;
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}
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static jint android_content_XmlBlock_nativeNext(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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return ResXMLParser::END_DOCUMENT;
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}
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do {
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jint code = (jint)st->next();
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switch (code) {
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case ResXMLParser::START_TAG:
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return 2;
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case ResXMLParser::END_TAG:
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return 3;
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case ResXMLParser::TEXT:
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return 4;
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case ResXMLParser::START_DOCUMENT:
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return 0;
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case ResXMLParser::END_DOCUMENT:
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return 1;
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case ResXMLParser::BAD_DOCUMENT:
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goto bad;
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}
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} while (true);
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bad:
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doThrow(env, "org/xmlpull/v1/XmlPullParserException",
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"Corrupt XML binary file");
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return ResXMLParser::BAD_DOCUMENT;
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}
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static jint android_content_XmlBlock_nativeGetNamespace(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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return -1;
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}
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return (jint)st->getElementNamespaceID();
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}
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static jint android_content_XmlBlock_nativeGetName(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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return -1;
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}
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return (jint)st->getElementNameID();
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}
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static jint android_content_XmlBlock_nativeGetText(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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return -1;
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}
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return (jint)st->getTextID();
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}
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static jint android_content_XmlBlock_nativeGetLineNumber(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getLineNumber();
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}
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static jint android_content_XmlBlock_nativeGetAttributeCount(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeCount();
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}
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static jint android_content_XmlBlock_nativeGetAttributeNamespace(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeNamespaceID(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeName(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeNameID(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeResource(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeNameResID(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeDataType(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeDataType(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeData(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeData(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeStringValue(JNIEnv* env, jobject clazz,
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jint token, jint idx)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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return (jint)st->getAttributeValueStringID(idx);
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}
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static jint android_content_XmlBlock_nativeGetAttributeIndex(JNIEnv* env, jobject clazz,
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jint token,
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jstring ns, jstring name)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL || name == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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const char16_t* ns16 = NULL;
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jsize nsLen = 0;
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if (ns) {
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ns16 = env->GetStringChars(ns, NULL);
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nsLen = env->GetStringLength(ns);
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}
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const char16_t* name16 = env->GetStringChars(name, NULL);
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jsize nameLen = env->GetStringLength(name);
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jint idx = (jint)st->indexOfAttribute(ns16, nsLen, name16, nameLen);
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if (ns) {
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env->ReleaseStringChars(ns, ns16);
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}
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env->ReleaseStringChars(name, name16);
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return idx;
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}
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static jint android_content_XmlBlock_nativeGetIdAttribute(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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ssize_t idx = st->indexOfID();
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return idx >= 0 ? (jint)st->getAttributeValueStringID(idx) : -1;
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}
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static jint android_content_XmlBlock_nativeGetClassAttribute(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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ssize_t idx = st->indexOfClass();
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return idx >= 0 ? (jint)st->getAttributeValueStringID(idx) : -1;
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}
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static jint android_content_XmlBlock_nativeGetStyleAttribute(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return 0;
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}
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ssize_t idx = st->indexOfStyle();
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if (idx < 0) {
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return 0;
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}
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Res_value value;
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if (st->getAttributeValue(idx, &value) < 0) {
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return 0;
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}
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return value.dataType == value.TYPE_REFERENCE
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|| value.dataType == value.TYPE_ATTRIBUTE
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? value.data : 0;
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}
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static void android_content_XmlBlock_nativeDestroyParseState(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLParser* st = (ResXMLParser*)token;
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if (st == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return;
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}
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delete st;
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}
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static void android_content_XmlBlock_nativeDestroy(JNIEnv* env, jobject clazz,
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jint token)
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{
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ResXMLTree* osb = (ResXMLTree*)token;
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if (osb == NULL) {
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doThrow(env, "java/lang/NullPointerException");
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return;
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}
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delete osb;
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}
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// ----------------------------------------------------------------------------
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/*
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* JNI registration.
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*/
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static JNINativeMethod gXmlBlockMethods[] = {
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/* name, signature, funcPtr */
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{ "nativeCreate", "([BII)I",
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(void*) android_content_XmlBlock_nativeCreate },
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{ "nativeGetStringBlock", "(I)I",
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(void*) android_content_XmlBlock_nativeGetStringBlock },
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{ "nativeCreateParseState", "(I)I",
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(void*) android_content_XmlBlock_nativeCreateParseState },
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{ "nativeNext", "(I)I",
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(void*) android_content_XmlBlock_nativeNext },
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{ "nativeGetNamespace", "(I)I",
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(void*) android_content_XmlBlock_nativeGetNamespace },
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{ "nativeGetName", "(I)I",
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(void*) android_content_XmlBlock_nativeGetName },
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{ "nativeGetText", "(I)I",
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(void*) android_content_XmlBlock_nativeGetText },
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{ "nativeGetLineNumber", "(I)I",
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(void*) android_content_XmlBlock_nativeGetLineNumber },
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{ "nativeGetAttributeCount", "(I)I",
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(void*) android_content_XmlBlock_nativeGetAttributeCount },
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||
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|
{ "nativeGetAttributeNamespace","(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeNamespace },
|
||
|
|
{ "nativeGetAttributeName", "(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeName },
|
||
|
|
{ "nativeGetAttributeResource", "(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeResource },
|
||
|
|
{ "nativeGetAttributeDataType", "(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeDataType },
|
||
|
|
{ "nativeGetAttributeData", "(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeData },
|
||
|
|
{ "nativeGetAttributeStringValue", "(II)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeStringValue },
|
||
|
|
{ "nativeGetAttributeIndex", "(ILjava/lang/String;Ljava/lang/String;)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetAttributeIndex },
|
||
|
|
{ "nativeGetIdAttribute", "(I)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetIdAttribute },
|
||
|
|
{ "nativeGetClassAttribute", "(I)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetClassAttribute },
|
||
|
|
{ "nativeGetStyleAttribute", "(I)I",
|
||
|
|
(void*) android_content_XmlBlock_nativeGetStyleAttribute },
|
||
|
|
{ "nativeDestroyParseState", "(I)V",
|
||
|
|
(void*) android_content_XmlBlock_nativeDestroyParseState },
|
||
|
|
{ "nativeDestroy", "(I)V",
|
||
|
|
(void*) android_content_XmlBlock_nativeDestroy },
|
||
|
|
};
|
||
|
|
|
||
|
|
int register_android_content_XmlBlock(JNIEnv* env)
|
||
|
|
{
|
||
|
|
return AndroidRuntime::registerNativeMethods(env,
|
||
|
|
"android/content/res/XmlBlock", gXmlBlockMethods, NELEM(gXmlBlockMethods));
|
||
|
|
}
|
||
|
|
|
||
|
|
}; // namespace android
|
||
|
|
|