The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_util_StringBlock.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_TAG "StringBlock" |
| 19 | |
| 20 | #include "jni.h" |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 21 | #include <nativehelper/JNIHelp.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include <utils/misc.h> |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 23 | #include <core_jni_helpers.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | #include <utils/Log.h> |
| 25 | |
Mathias Agopian | b13b9bd | 2012-02-17 18:27:36 -0800 | [diff] [blame] | 26 | #include <androidfw/ResourceTypes.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | |
| 28 | #include <stdio.h> |
| 29 | |
| 30 | namespace android { |
| 31 | |
| 32 | // ---------------------------------------------------------------------------- |
| 33 | |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 34 | static jlong android_content_StringBlock_nativeCreate(JNIEnv* env, jobject clazz, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | jbyteArray bArray, |
| 36 | jint off, jint len) |
| 37 | { |
| 38 | if (bArray == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 39 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | jsize bLen = env->GetArrayLength(bArray); |
| 44 | if (off < 0 || off >= bLen || len < 0 || len > bLen || (off+len) > bLen) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 45 | jniThrowException(env, "java/lang/IndexOutOfBoundsException", NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | jbyte* b = env->GetByteArrayElements(bArray, NULL); |
| 50 | ResStringPool* osb = new ResStringPool(b+off, len, true); |
| 51 | env->ReleaseByteArrayElements(bArray, b, 0); |
| 52 | |
| 53 | if (osb == NULL || osb->getError() != NO_ERROR) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 54 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
You Kim | 218a313 | 2012-12-21 06:19:38 +0900 | [diff] [blame] | 55 | delete osb; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 56 | return 0; |
| 57 | } |
| 58 | |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 59 | return reinterpret_cast<jlong>(osb); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static jint android_content_StringBlock_nativeGetSize(JNIEnv* env, jobject clazz, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 63 | jlong token) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | { |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 65 | ResStringPool* osb = reinterpret_cast<ResStringPool*>(token); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | if (osb == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 67 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | return osb->size(); |
| 72 | } |
| 73 | |
| 74 | static jstring android_content_StringBlock_nativeGetString(JNIEnv* env, jobject clazz, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 75 | jlong token, jint idx) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 76 | { |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 77 | ResStringPool* osb = reinterpret_cast<ResStringPool*>(token); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 78 | if (osb == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 79 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | size_t len; |
Kenny Root | 780d2a1 | 2010-02-22 22:36:26 -0800 | [diff] [blame] | 84 | const char* str8 = osb->string8At(idx, &len); |
| 85 | if (str8 != NULL) { |
| 86 | return env->NewStringUTF(str8); |
| 87 | } |
| 88 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 89 | const char16_t* str = osb->stringAt(idx, &len); |
| 90 | if (str == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 91 | jniThrowException(env, "java/lang/IndexOutOfBoundsException", NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | return env->NewString((const jchar*)str, len); |
| 96 | } |
| 97 | |
| 98 | static jintArray android_content_StringBlock_nativeGetStyle(JNIEnv* env, jobject clazz, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 99 | jlong token, jint idx) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 100 | { |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 101 | ResStringPool* osb = reinterpret_cast<ResStringPool*>(token); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | if (osb == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 103 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 104 | return NULL; |
| 105 | } |
| 106 | |
| 107 | const ResStringPool_span* spans = osb->styleAt(idx); |
| 108 | if (spans == NULL) { |
| 109 | return NULL; |
| 110 | } |
| 111 | |
| 112 | const ResStringPool_span* pos = spans; |
| 113 | int num = 0; |
| 114 | while (pos->name.index != ResStringPool_span::END) { |
| 115 | num++; |
| 116 | pos++; |
| 117 | } |
| 118 | |
| 119 | if (num == 0) { |
| 120 | return NULL; |
| 121 | } |
| 122 | |
| 123 | jintArray array = env->NewIntArray((num*sizeof(ResStringPool_span))/sizeof(jint)); |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 124 | if (array == NULL) { // NewIntArray already threw OutOfMemoryError. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 125 | return NULL; |
| 126 | } |
| 127 | |
| 128 | num = 0; |
| 129 | static const int numInts = sizeof(ResStringPool_span)/sizeof(jint); |
| 130 | while (spans->name.index != ResStringPool_span::END) { |
| 131 | env->SetIntArrayRegion(array, |
| 132 | num*numInts, numInts, |
| 133 | (jint*)spans); |
| 134 | spans++; |
| 135 | num++; |
| 136 | } |
| 137 | |
| 138 | return array; |
| 139 | } |
| 140 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 141 | static void android_content_StringBlock_nativeDestroy(JNIEnv* env, jobject clazz, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 142 | jlong token) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 143 | { |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 144 | ResStringPool* osb = reinterpret_cast<ResStringPool*>(token); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | if (osb == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 146 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 147 | return; |
| 148 | } |
| 149 | |
| 150 | delete osb; |
| 151 | } |
| 152 | |
| 153 | // ---------------------------------------------------------------------------- |
| 154 | |
| 155 | /* |
| 156 | * JNI registration. |
| 157 | */ |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 158 | static const JNINativeMethod gStringBlockMethods[] = { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | /* name, signature, funcPtr */ |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 160 | { "nativeCreate", "([BII)J", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 161 | (void*) android_content_StringBlock_nativeCreate }, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 162 | { "nativeGetSize", "(J)I", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 163 | (void*) android_content_StringBlock_nativeGetSize }, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 164 | { "nativeGetString", "(JI)Ljava/lang/String;", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | (void*) android_content_StringBlock_nativeGetString }, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 166 | { "nativeGetStyle", "(JI)[I", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 167 | (void*) android_content_StringBlock_nativeGetStyle }, |
Ashok Bhat | 896043d | 2014-01-17 16:02:38 +0000 | [diff] [blame] | 168 | { "nativeDestroy", "(J)V", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 169 | (void*) android_content_StringBlock_nativeDestroy }, |
| 170 | }; |
| 171 | |
| 172 | int register_android_content_StringBlock(JNIEnv* env) |
| 173 | { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 174 | return RegisterMethodsOrDie(env, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 175 | "android/content/res/StringBlock", gStringBlockMethods, NELEM(gStringBlockMethods)); |
| 176 | } |
| 177 | |
| 178 | }; // namespace android |