first commit

2025-10-10 18:00:07 -04:00
commit 06b59a3a99
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+import { DataFile } from './ExtractorData.helper';
+import { Extractor } from './Extractor';
+export class ExtractorData extends Extractor {
+    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types,@typescript-eslint/no-explicit-any
+    constructor(unrar, data, password) {
+        super(unrar, password);
+        this.dataFiles = {};
+        this.dataFileMap = {};
+        this.currentFd = 1;
+        const rarFile = {
+            file: new DataFile(new Uint8Array(data)),
+            fd: this.currentFd++,
+        };
+        this._filePath = '_defaultUnrarJS_.rar';
+        this.dataFiles[this._filePath] = rarFile;
+        this.dataFileMap[rarFile.fd] = this._filePath;
+    }
+    extract(options = {}) {
+        const { arcHeader, files } = super.extract(options);
+        function* getFiles() {
+            for (const file of files) {
+                if (!file.fileHeader.flags.directory) {
+                    file.extraction =
+                        this.dataFiles[this.getExtractedFileName(file.fileHeader.name)].file.readAll();
+                }
+                yield file;
+            }
+        }
+        return { arcHeader, files: getFiles.call(this) };
+    }
+    getExtractedFileName(filename) {
+        return `*Extracted*/${filename}`;
+    }
+    open(filename) {
+        const dataFile = this.dataFiles[filename];
+        if (!dataFile) {
+            return 0;
+        }
+        return dataFile.fd;
+    }
+    create(filename) {
+        const fd = this.currentFd++;
+        this.dataFiles[this.getExtractedFileName(filename)] = {
+            file: new DataFile(),
+            fd: this.currentFd++,
+        };
+        this.dataFileMap[fd] = this.getExtractedFileName(filename);
+        return fd;
+    }
+    closeFile(fd) {
+        const fileData = this.dataFiles[this.dataFileMap[fd]];
+        if (!fileData) {
+            return;
+        }
+        fileData.file.seek(0, 'SET');
+    }
+    read(fd, buf, size) {
+        const fileData = this.dataFiles[this.dataFileMap[fd]];
+        if (!fileData) {
+            return -1;
+        }
+        const data = fileData.file.read(size);
+        if (data === null) {
+            return -1;
+        }
+        this.unrar.HEAPU8.set(data, buf);
+        return data.byteLength;
+    }
+    write(fd, buf, size) {
+        const fileData = this.dataFiles[this.dataFileMap[fd]];
+        if (!fileData) {
+            return false;
+        }
+        fileData.file.write(this.unrar.HEAPU8.slice(buf, buf + size));
+        return true;
+    }
+    tell(fd) {
+        const fileData = this.dataFiles[this.dataFileMap[fd]];
+        if (!fileData) {
+            return -1;
+        }
+        return fileData.file.tell();
+    }
+    seek(fd, pos, method) {
+        const fileData = this.dataFiles[this.dataFileMap[fd]];
+        if (!fileData) {
+            return false;
+        }
+        return fileData.file.seek(pos, method);
+    }
+}
+//# sourceMappingURL=ExtractorData.js.map