diff options
| -rw-r--r-- | src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.java | 125 | ||||
| -rw-r--r-- | src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.kt | 110 |
2 files changed, 110 insertions, 125 deletions
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.java b/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.java deleted file mode 100644 index beb790ab1..000000000 --- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.java +++ /dev/null @@ -1,125 +0,0 @@ -package org.yuzu.yuzu_emu.utils; - -import android.content.Context; -import android.net.Uri; - -import androidx.annotation.Nullable; -import androidx.documentfile.provider.DocumentFile; - -import org.yuzu.yuzu_emu.YuzuApplication; -import org.yuzu.yuzu_emu.model.MinimalDocumentFile; - -import java.util.HashMap; -import java.util.Map; -import java.util.StringTokenizer; - -public class DocumentsTree { - private DocumentsNode root; - private final Context context; - public static final String DELIMITER = "/"; - - public DocumentsTree() { - context = YuzuApplication.getAppContext(); - } - - public void setRoot(Uri rootUri) { - root = null; - root = new DocumentsNode(); - root.uri = rootUri; - root.isDirectory = true; - } - - public int openContentUri(String filepath, String openmode) { - DocumentsNode node = resolvePath(filepath); - if (node == null) { - return -1; - } - return FileUtil.openContentUri(context, node.uri.toString(), openmode); - } - - public long getFileSize(String filepath) { - DocumentsNode node = resolvePath(filepath); - if (node == null || node.isDirectory) { - return 0; - } - return FileUtil.getFileSize(context, node.uri.toString()); - } - - public boolean Exists(String filepath) { - return resolvePath(filepath) != null; - } - - @Nullable - private DocumentsNode resolvePath(String filepath) { - StringTokenizer tokens = new StringTokenizer(filepath, DELIMITER, false); - DocumentsNode iterator = root; - while (tokens.hasMoreTokens()) { - String token = tokens.nextToken(); - if (token.isEmpty()) continue; - iterator = find(iterator, token); - if (iterator == null) return null; - } - return iterator; - } - - @Nullable - private DocumentsNode find(DocumentsNode parent, String filename) { - if (parent.isDirectory && !parent.loaded) { - structTree(parent); - } - return parent.children.get(filename); - } - - /** - * Construct current level directory tree - * @param parent parent node of this level - */ - private void structTree(DocumentsNode parent) { - MinimalDocumentFile[] documents = FileUtil.listFiles(context, parent.uri); - for (MinimalDocumentFile document: documents) { - DocumentsNode node = new DocumentsNode(document); - node.parent = parent; - parent.children.put(node.name, node); - } - parent.loaded = true; - } - - public static boolean isNativePath(String path) { - if (path.length() > 0) { - return path.charAt(0) == '/'; - } - return false; - } - - private static class DocumentsNode { - private DocumentsNode parent; - private final Map<String, DocumentsNode> children = new HashMap<>(); - private String name; - private Uri uri; - private boolean loaded = false; - private boolean isDirectory = false; - - private DocumentsNode() {} - private DocumentsNode(MinimalDocumentFile document) { - name = document.getFilename(); - uri = document.getUri(); - isDirectory = document.isDirectory(); - loaded = !isDirectory; - } - private DocumentsNode(DocumentFile document, boolean isCreateDir) { - name = document.getName(); - uri = document.getUri(); - isDirectory = isCreateDir; - loaded = true; - } - - private void rename(String name) { - if (parent == null) { - return; - } - parent.children.remove(this.name); - this.name = name; - parent.children.put(name, this); - } - } -} diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.kt new file mode 100644 index 000000000..a4795ca22 --- /dev/null +++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DocumentsTree.kt @@ -0,0 +1,110 @@ +package org.yuzu.yuzu_emu.utils + +import android.net.Uri +import androidx.documentfile.provider.DocumentFile +import org.yuzu.yuzu_emu.YuzuApplication +import org.yuzu.yuzu_emu.model.MinimalDocumentFile +import java.io.File +import java.util.* + +class DocumentsTree { + private var root: DocumentsNode? = null + + fun setRoot(rootUri: Uri?) { + root = null + root = DocumentsNode() + root!!.uri = rootUri + root!!.isDirectory = true + } + + fun openContentUri(filepath: String, openMode: String?): Int { + val node = resolvePath(filepath) ?: return -1 + return FileUtil.openContentUri(YuzuApplication.appContext, node.uri.toString(), openMode) + } + + fun getFileSize(filepath: String): Long { + val node = resolvePath(filepath) + return if (node == null || node.isDirectory) { + 0 + } else FileUtil.getFileSize(YuzuApplication.appContext, node.uri.toString()) + } + + fun exists(filepath: String): Boolean { + return resolvePath(filepath) != null + } + + private fun resolvePath(filepath: String): DocumentsNode? { + val tokens = StringTokenizer(filepath, File.separator, false) + var iterator = root + while (tokens.hasMoreTokens()) { + val token = tokens.nextToken() + if (token.isEmpty()) continue + iterator = find(iterator, token) + if (iterator == null) return null + } + return iterator + } + + private fun find(parent: DocumentsNode?, filename: String): DocumentsNode? { + if (parent!!.isDirectory && !parent.loaded) { + structTree(parent) + } + return parent.children[filename] + } + + /** + * Construct current level directory tree + * @param parent parent node of this level + */ + private fun structTree(parent: DocumentsNode) { + val documents = FileUtil.listFiles(YuzuApplication.appContext, parent.uri!!) + for (document in documents) { + val node = DocumentsNode(document) + node.parent = parent + parent.children[node.name] = node + } + parent.loaded = true + } + + private class DocumentsNode { + var parent: DocumentsNode? = null + val children: MutableMap<String?, DocumentsNode> = HashMap() + var name: String? = null + var uri: Uri? = null + var loaded = false + var isDirectory = false + + constructor() + constructor(document: MinimalDocumentFile) { + name = document.filename + uri = document.uri + isDirectory = document.isDirectory + loaded = !isDirectory + } + + private constructor(document: DocumentFile, isCreateDir: Boolean) { + name = document.name + uri = document.uri + isDirectory = isCreateDir + loaded = true + } + + private fun rename(name: String) { + if (parent == null) { + return + } + parent!!.children.remove(this.name) + this.name = name + parent!!.children[name] = this + } + } + + companion object { + @JvmStatic + fun isNativePath(path: String): Boolean { + return if (path.isNotEmpty()) { + path[0] == '/' + } else false + } + } +} |