mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-23 06:15:38 +00:00
Common/FileSystem: Make file functions content URI-aware
This commit is contained in:
parent
03f3f0369c
commit
d6d8d21eff
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@ -970,7 +970,8 @@ extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved)
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jclass emulation_activity_class;
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if ((s_AndroidHostInterface_constructor =
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env->GetMethodID(s_AndroidHostInterface_class, "<init>", "(Landroid/content/Context;)V")) == nullptr ||
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env->GetMethodID(s_AndroidHostInterface_class, "<init>",
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"(Landroid/content/Context;Lcom/github/stenzek/duckstation/FileHelper;)V")) == nullptr ||
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(s_AndroidHostInterface_field_mNativePointer =
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env->GetFieldID(s_AndroidHostInterface_class, "mNativePointer", "J")) == nullptr ||
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(s_AndroidHostInterface_method_reportError =
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@ -1067,12 +1068,13 @@ DEFINE_JNI_ARGS_METHOD(void, AndroidHostInterface_setThreadAffinity, jobject unu
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}
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DEFINE_JNI_ARGS_METHOD(jobject, AndroidHostInterface_create, jobject unused, jobject context_object,
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jstring user_directory)
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jobject file_helper_object, jstring user_directory)
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{
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Log::SetDebugOutputParams(true, nullptr, LOGLEVEL_DEBUG);
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// initialize the java side
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jobject java_obj = env->NewObject(s_AndroidHostInterface_class, s_AndroidHostInterface_constructor, context_object);
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jobject java_obj = env->NewObject(s_AndroidHostInterface_class, s_AndroidHostInterface_constructor, context_object,
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file_helper_object);
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if (!java_obj)
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{
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Log_ErrorPrint("Failed to create Java AndroidHostInterface");
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@ -1096,6 +1098,7 @@ DEFINE_JNI_ARGS_METHOD(jobject, AndroidHostInterface_create, jobject unused, job
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env->SetLongField(java_obj, s_AndroidHostInterface_field_mNativePointer,
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static_cast<long>(reinterpret_cast<uintptr_t>(cpp_obj)));
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FileSystem::SetAndroidFileHelper(s_jvm, env, file_helper_object);
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return java_obj;
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}
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@ -1342,7 +1345,7 @@ static jobject CreateGameListEntry(JNIEnv* env, AndroidHostInterface* hi, const
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{
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const Timestamp modified_ts(
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Timestamp::FromUnixTimestamp(static_cast<Timestamp::UnixTimestampValue>(entry.last_modified_time)));
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const std::string file_title_str(System::GetTitleForPath(entry.path.c_str()));
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const std::string file_title_str(FileSystem::GetFileTitleFromPath(entry.path));
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const std::string cover_path_str(hi->GetGameList()->GetCoverImagePathForEntry(&entry));
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jstring path = env->NewStringUTF(entry.path.c_str());
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@ -23,9 +23,11 @@ public class AndroidHostInterface {
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private long mNativePointer;
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private Context mContext;
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private FileHelper mFileHelper;
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public AndroidHostInterface(Context context) {
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public AndroidHostInterface(Context context, FileHelper fileHelper) {
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this.mContext = context;
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this.mFileHelper = fileHelper;
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}
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public void reportError(String message) {
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@ -54,7 +56,7 @@ public class AndroidHostInterface {
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static public native boolean setThreadAffinity(int[] cpus);
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static public native AndroidHostInterface create(Context context, String userDirectory);
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static public native AndroidHostInterface create(Context context, FileHelper fileHelper, String userDirectory);
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public native boolean isEmulationThreadRunning();
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@ -184,7 +186,7 @@ public class AndroidHostInterface {
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mUserDirectory += "/duckstation";
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Log.i("AndroidHostInterface", "User directory: " + mUserDirectory);
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mInstance = create(context, mUserDirectory);
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mInstance = create(context, new FileHelper(context), mUserDirectory);
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return mInstance != null;
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}
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@ -0,0 +1,159 @@
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package com.github.stenzek.duckstation;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.ParcelFileDescriptor;
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import android.provider.DocumentsContract;
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import java.util.ArrayList;
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/**
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* File helper class - used to bridge native code to Java storage access framework APIs.
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*/
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public class FileHelper {
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/**
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* Native filesystem flags.
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*/
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public static final int FILESYSTEM_FILE_ATTRIBUTE_DIRECTORY = 1;
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public static final int FILESYSTEM_FILE_ATTRIBUTE_READ_ONLY = 2;
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public static final int FILESYSTEM_FILE_ATTRIBUTE_COMPRESSED = 4;
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/**
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* Native filesystem find result flags.
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*/
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public static final int FILESYSTEM_FIND_RECURSIVE = (1 << 0);
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public static final int FILESYSTEM_FIND_RELATIVE_PATHS = (1 << 1);
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public static final int FILESYSTEM_FIND_HIDDEN_FILES = (1 << 2);
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public static final int FILESYSTEM_FIND_FOLDERS = (1 << 3);
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public static final int FILESYSTEM_FIND_FILES = (1 << 4);
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public static final int FILESYSTEM_FIND_KEEP_ARRAY = (1 << 5);
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/**
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* Projection used when searching for files.
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*/
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private static final String[] findProjection = new String[]{
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DocumentsContract.Document.COLUMN_DOCUMENT_ID,
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DocumentsContract.Document.COLUMN_DISPLAY_NAME,
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DocumentsContract.Document.COLUMN_MIME_TYPE,
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DocumentsContract.Document.COLUMN_SIZE,
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DocumentsContract.Document.COLUMN_LAST_MODIFIED
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};
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private final Context context;
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private final ContentResolver contentResolver;
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/**
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* File helper class - used to bridge native code to Java storage access framework APIs.
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* @param context Context in which to perform file actions as.
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*/
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public FileHelper(Context context) {
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this.context = context;
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this.contentResolver = context.getContentResolver();
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}
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/**
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* Retrieves a file descriptor for a content URI string. Called by native code.
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* @param uriString string of the URI to open
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* @param mode Java open mode
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* @return file descriptor for URI, or -1
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*/
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public int openURIAsFileDescriptor(String uriString, String mode) {
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try {
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final Uri uri = Uri.parse(uriString);
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final ParcelFileDescriptor fd = contentResolver.openFileDescriptor(uri, mode);
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if (fd == null)
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return -1;
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return fd.detachFd();
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} catch (Exception e) {
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return -1;
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}
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}
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/**
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* Recursively iterates documents in the specified tree, searching for files.
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* @param treeUri Root tree in which to search for documents.
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* @param documentId Document ID representing the directory to start searching.
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* @param flags Native search flags.
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* @param results Cumulative result array.
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*/
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private void doFindFiles(Uri treeUri, String documentId, int flags, ArrayList<FindResult> results) {
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try {
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final Uri queryUri = DocumentsContract.buildChildDocumentsUriUsingTree(treeUri, documentId);
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final Cursor cursor = contentResolver.query(queryUri, findProjection, null, null, null);
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final int count = cursor.getCount();
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while (cursor.moveToNext()) {
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try {
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final String mimeType = cursor.getString(2);
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final String childDocumentId = cursor.getString(0);
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final Uri uri = DocumentsContract.buildDocumentUriUsingTree(treeUri, childDocumentId);
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final long size = cursor.getLong(3);
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final long lastModified = cursor.getLong(4);
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if (DocumentsContract.Document.MIME_TYPE_DIR.equals(mimeType)) {
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if ((flags & FILESYSTEM_FIND_FOLDERS) != 0) {
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results.add(new FindResult(childDocumentId, uri.toString(), size, lastModified, FILESYSTEM_FILE_ATTRIBUTE_DIRECTORY));
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}
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if ((flags & FILESYSTEM_FIND_RECURSIVE) != 0)
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doFindFiles(treeUri, childDocumentId, flags, results);
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} else {
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if ((flags & FILESYSTEM_FIND_FILES) != 0) {
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results.add(new FindResult(childDocumentId, uri.toString(), size, lastModified, 0));
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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cursor.close();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* Recursively iterates documents in the specified URI, searching for files.
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* @param uriString URI containing directory to search.
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* @param flags Native filter flags.
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* @return Array of find results.
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*/
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public FindResult[] findFiles(String uriString, int flags) {
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try {
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final Uri fullUri = Uri.parse(uriString);
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final String documentId = DocumentsContract.getTreeDocumentId(fullUri);
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final ArrayList<FindResult> results = new ArrayList<>();
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doFindFiles(fullUri, documentId, flags, results);
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if (results.isEmpty())
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return null;
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final FindResult[] resultsArray = new FindResult[results.size()];
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results.toArray(resultsArray);
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return resultsArray;
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* Java class containing the data for a file in a find operation.
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*/
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public static class FindResult {
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public String name;
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public String relativeName;
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public long size;
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public long modifiedTime;
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public int flags;
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public FindResult(String relativeName, String name, long size, long modifiedTime, int flags) {
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this.relativeName = relativeName;
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this.name = name;
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this.size = size;
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this.modifiedTime = modifiedTime;
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this.flags = flags;
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}
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}
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}
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@ -30,10 +30,257 @@
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#include <unistd.h>
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#endif
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#ifdef __ANDROID__
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#include <jni.h>
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#endif
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Log_SetChannel(FileSystem);
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namespace FileSystem {
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#ifdef __ANDROID__
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static JavaVM* s_android_jvm;
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static jobject s_android_FileHelper_object;
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static jclass s_android_FileHelper_class;
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static jmethodID s_android_FileHelper_openURIAsFileDescriptor;
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static jmethodID s_android_FileHelper_FindFiles;
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static jclass s_android_FileHelper_FindResult_class;
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static jfieldID s_android_FileHelper_FindResult_name;
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static jfieldID s_android_FileHelper_FindResult_relativeName;
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static jfieldID s_android_FileHelper_FindResult_size;
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static jfieldID s_android_FileHelper_FindResult_modifiedTime;
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static jfieldID s_android_FileHelper_FindResult_flags;
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// helper for retrieving the current per-thread jni environment
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static JNIEnv* GetJNIEnv()
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{
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JNIEnv* env;
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if (s_android_jvm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK)
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return nullptr;
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else
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return env;
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}
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static bool IsUriPath(const std::string_view& path)
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{
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return StringUtil::StartsWith(path, "content:/") || StringUtil::StartsWith(path, "file:/");
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}
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static bool UriHelpersAreAvailable()
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{
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return (s_android_FileHelper_object != nullptr);
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}
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void SetAndroidFileHelper(void* jvm, void* env, void* object)
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{
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Assert(!jvm || !s_android_jvm || s_android_jvm == jvm);
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if (s_android_FileHelper_object)
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{
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JNIEnv* jenv = GetJNIEnv();
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jenv->DeleteGlobalRef(s_android_FileHelper_FindResult_class);
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s_android_FileHelper_FindResult_name = {};
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s_android_FileHelper_FindResult_relativeName = {};
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s_android_FileHelper_FindResult_size = {};
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s_android_FileHelper_FindResult_modifiedTime = {};
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s_android_FileHelper_FindResult_flags = {};
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s_android_FileHelper_FindResult_class = {};
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jenv->DeleteGlobalRef(s_android_FileHelper_object);
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jenv->DeleteGlobalRef(s_android_FileHelper_class);
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s_android_FileHelper_openURIAsFileDescriptor = {};
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s_android_FileHelper_FindFiles = {};
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s_android_FileHelper_object = {};
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s_android_FileHelper_class = {};
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s_android_jvm = {};
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}
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if (!object)
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return;
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JNIEnv* jenv = static_cast<JNIEnv*>(env);
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s_android_jvm = static_cast<JavaVM*>(jvm);
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s_android_FileHelper_object = jenv->NewGlobalRef(static_cast<jobject>(object));
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Assert(s_android_FileHelper_object);
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jclass fh_class = jenv->GetObjectClass(static_cast<jobject>(object));
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s_android_FileHelper_class = static_cast<jclass>(jenv->NewGlobalRef(fh_class));
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Assert(s_android_FileHelper_class);
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jenv->DeleteLocalRef(fh_class);
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s_android_FileHelper_openURIAsFileDescriptor =
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jenv->GetMethodID(s_android_FileHelper_class, "openURIAsFileDescriptor", "(Ljava/lang/String;Ljava/lang/String;)I");
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s_android_FileHelper_FindFiles =
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jenv->GetMethodID(s_android_FileHelper_class, "findFiles",
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"(Ljava/lang/String;I)[Lcom/github/stenzek/duckstation/FileHelper$FindResult;");
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Assert(s_android_FileHelper_openURIAsFileDescriptor && s_android_FileHelper_FindFiles);
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jclass fr_class = jenv->FindClass("com/github/stenzek/duckstation/FileHelper$FindResult");
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Assert(fr_class);
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s_android_FileHelper_FindResult_class = static_cast<jclass>(jenv->NewGlobalRef(fr_class));
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Assert(s_android_FileHelper_FindResult_class);
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jenv->DeleteLocalRef(fr_class);
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s_android_FileHelper_FindResult_relativeName =
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jenv->GetFieldID(s_android_FileHelper_FindResult_class, "relativeName", "Ljava/lang/String;");
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s_android_FileHelper_FindResult_name =
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jenv->GetFieldID(s_android_FileHelper_FindResult_class, "name", "Ljava/lang/String;");
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s_android_FileHelper_FindResult_size = jenv->GetFieldID(s_android_FileHelper_FindResult_class, "size", "J");
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s_android_FileHelper_FindResult_modifiedTime =
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jenv->GetFieldID(s_android_FileHelper_FindResult_class, "modifiedTime", "J");
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s_android_FileHelper_FindResult_flags = jenv->GetFieldID(s_android_FileHelper_FindResult_class, "flags", "I");
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Assert(s_android_FileHelper_FindResult_relativeName && s_android_FileHelper_FindResult_name &&
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s_android_FileHelper_FindResult_size && s_android_FileHelper_FindResult_modifiedTime &&
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s_android_FileHelper_FindResult_flags);
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}
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static std::FILE* OpenUriFile(const char* path, const char* mode)
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{
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// translate C modes to Java modes
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TinyString mode_trimmed;
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std::size_t mode_len = std::strlen(mode);
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for (size_t i = 0; i < mode_len; i++)
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{
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if (mode[i] == 'r' || mode[i] == 'w' || mode[i] == '+')
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mode_trimmed.AppendCharacter(mode[i]);
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}
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// TODO: Handle append mode by seeking to end.
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const char* java_mode = nullptr;
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if (mode_trimmed == "r")
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java_mode = "r";
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else if (mode_trimmed == "r+")
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java_mode = "rw";
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else if (mode_trimmed == "w")
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java_mode = "w";
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else if (mode_trimmed == "w+")
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java_mode = "rwt";
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if (!java_mode)
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{
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Log_ErrorPrintf("Could not translate file mode '%s' ('%s')", mode, mode_trimmed.GetCharArray());
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return nullptr;
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}
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// Hand off to Java...
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JNIEnv* env = GetJNIEnv();
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jstring path_jstr = env->NewStringUTF(path);
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jstring mode_jstr = env->NewStringUTF(java_mode);
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int fd =
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env->CallIntMethod(s_android_FileHelper_object, s_android_FileHelper_openURIAsFileDescriptor, path_jstr, mode_jstr);
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env->DeleteLocalRef(mode_jstr);
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env->DeleteLocalRef(path_jstr);
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// Just in case...
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if (env->ExceptionCheck())
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{
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env->ExceptionClear();
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return nullptr;
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}
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if (fd < 0)
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return nullptr;
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// Convert to a C file object.
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std::FILE* fp = fdopen(fd, mode);
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if (!fp)
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{
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Log_ErrorPrintf("Failed to convert FD %d to C FILE for '%s'.", fd, path);
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close(fd);
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return nullptr;
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}
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return fp;
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}
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static bool FindUriFiles(const char* path, const char* pattern, u32 flags, FindResultsArray* pVector)
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{
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if (!s_android_FileHelper_object)
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return false;
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JNIEnv* env = GetJNIEnv();
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jstring path_jstr = env->NewStringUTF(path);
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jobjectArray arr = static_cast<jobjectArray>(env->CallObjectMethod(
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s_android_FileHelper_object, s_android_FileHelper_FindFiles, path_jstr, static_cast<int>(flags)));
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env->DeleteLocalRef(path_jstr);
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if (!arr)
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return false;
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// small speed optimization for '*' case
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bool hasWildCards = false;
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bool wildCardMatchAll = false;
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u32 nFiles = 0;
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if (std::strpbrk(pattern, "*?") != nullptr)
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{
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hasWildCards = true;
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wildCardMatchAll = !(std::strcmp(pattern, "*"));
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}
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jsize count = env->GetArrayLength(arr);
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for (jsize i = 0; i < count; i++)
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{
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jobject result = env->GetObjectArrayElement(arr, i);
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if (!result)
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continue;
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jstring result_name_obj = static_cast<jstring>(env->GetObjectField(result, s_android_FileHelper_FindResult_name));
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jstring result_relative_name_obj =
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static_cast<jstring>(env->GetObjectField(result, s_android_FileHelper_FindResult_relativeName));
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const u64 result_size = static_cast<u64>(env->GetLongField(result, s_android_FileHelper_FindResult_size));
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const u64 result_modified_time =
|
||||
static_cast<u64>(env->GetLongField(result, s_android_FileHelper_FindResult_modifiedTime));
|
||||
const u32 result_flags = static_cast<u32>(env->GetIntField(result, s_android_FileHelper_FindResult_flags));
|
||||
|
||||
if (result_name_obj && result_relative_name_obj)
|
||||
{
|
||||
const char* result_name = env->GetStringUTFChars(result_name_obj, nullptr);
|
||||
const char* result_relative_name = env->GetStringUTFChars(result_relative_name_obj, nullptr);
|
||||
if (result_relative_name)
|
||||
{
|
||||
// match the filename
|
||||
bool matched;
|
||||
if (hasWildCards)
|
||||
{
|
||||
matched = wildCardMatchAll || StringUtil::WildcardMatch(result_relative_name, pattern);
|
||||
}
|
||||
else
|
||||
{
|
||||
matched = std::strcmp(result_relative_name, pattern) == 0;
|
||||
}
|
||||
|
||||
if (matched)
|
||||
{
|
||||
FILESYSTEM_FIND_DATA ffd;
|
||||
ffd.FileName = ((flags & FILESYSTEM_FIND_RELATIVE_PATHS) != 0) ? result_relative_name : result_name;
|
||||
ffd.Attributes = result_flags;
|
||||
ffd.ModificationTime.SetUnixTimestamp(result_modified_time);
|
||||
ffd.Size = result_size;
|
||||
pVector->push_back(std::move(ffd));
|
||||
}
|
||||
}
|
||||
|
||||
if (result_name)
|
||||
env->ReleaseStringUTFChars(result_name_obj, result_name);
|
||||
if (result_relative_name)
|
||||
env->ReleaseStringUTFChars(result_relative_name_obj, result_relative_name);
|
||||
}
|
||||
|
||||
if (result_name_obj)
|
||||
env->DeleteLocalRef(result_name_obj);
|
||||
if (result_relative_name_obj)
|
||||
env->DeleteLocalRef(result_relative_name_obj);
|
||||
|
||||
env->DeleteLocalRef(result);
|
||||
}
|
||||
|
||||
env->DeleteLocalRef(arr);
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif // __ANDROID__
|
||||
|
||||
ChangeNotifier::ChangeNotifier(const String& directoryPath, bool recursiveWatch)
|
||||
: m_directoryPath(directoryPath), m_recursiveWatch(recursiveWatch)
|
||||
{
|
||||
|
@ -298,6 +545,28 @@ static std::string_view::size_type GetLastSeperatorPosition(const std::string_vi
|
|||
if (last_separator == std::string_view::npos || other_last_separator > last_separator)
|
||||
last_separator = other_last_separator;
|
||||
}
|
||||
|
||||
#elif defined(__ANDROID__)
|
||||
if (IsUriPath(filename))
|
||||
{
|
||||
// scoped storage rubbish
|
||||
std::string_view::size_type other_last_separator = filename.rfind("%2F");
|
||||
if (other_last_separator != std::string_view::npos)
|
||||
{
|
||||
if (include_separator)
|
||||
other_last_separator += 3;
|
||||
if (last_separator == std::string_view::npos || other_last_separator > last_separator)
|
||||
last_separator = other_last_separator;
|
||||
}
|
||||
std::string_view::size_type lower_other_last_separator = filename.rfind("%2f");
|
||||
if (lower_other_last_separator != std::string_view::npos)
|
||||
{
|
||||
if (include_separator)
|
||||
lower_other_last_separator += 3;
|
||||
if (last_separator == std::string_view::npos || lower_other_last_separator > last_separator)
|
||||
last_separator = lower_other_last_separator;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return last_separator;
|
||||
|
@ -374,6 +643,8 @@ std::unique_ptr<ByteStream> OpenFile(const char* FileName, u32 Flags)
|
|||
if (FileName[0] == '\0')
|
||||
return nullptr;
|
||||
|
||||
// TODO: Handle Android content URIs here.
|
||||
|
||||
// forward to local file wrapper
|
||||
return ByteStream_OpenFileStream(FileName, Flags);
|
||||
}
|
||||
|
@ -414,6 +685,11 @@ std::FILE* OpenCFile(const char* filename, const char* mode)
|
|||
|
||||
return fp;
|
||||
#else
|
||||
#ifdef __ANDROID__
|
||||
if (IsUriPath(filename) && UriHelpersAreAvailable())
|
||||
return OpenUriFile(filename, mode);
|
||||
#endif
|
||||
|
||||
return std::fopen(filename, mode);
|
||||
#endif
|
||||
}
|
||||
|
@ -1450,6 +1726,11 @@ bool FindFiles(const char* Path, const char* Pattern, u32 Flags, FindResultsArra
|
|||
if (!(Flags & FILESYSTEM_FIND_KEEP_ARRAY))
|
||||
pResults->clear();
|
||||
|
||||
#ifdef __ANDROID__
|
||||
if (IsUriPath(Path) && UriHelpersAreAvailable())
|
||||
return FindUriFiles(Path, Pattern, Flags, pResults);
|
||||
#endif
|
||||
|
||||
// enter the recursive function
|
||||
return (RecursiveFindFiles(Path, nullptr, nullptr, Pattern, Flags, pResults) > 0);
|
||||
}
|
||||
|
|
|
@ -61,6 +61,12 @@ namespace FileSystem {
|
|||
|
||||
using FindResultsArray = std::vector<FILESYSTEM_FIND_DATA>;
|
||||
|
||||
#ifdef __ANDROID__
|
||||
/// Sets the instance for the FileHelpers Java class, used for storage access framework
|
||||
/// file access on Android.
|
||||
void SetAndroidFileHelper(void* jvm, void* env, void* object);
|
||||
#endif
|
||||
|
||||
class ChangeNotifier
|
||||
{
|
||||
public:
|
||||
|
|
Loading…
Reference in a new issue