29 lines
919 B
Dart
29 lines
919 B
Dart
import 'dart:convert';
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import 'dart:typed_data';
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import 'package:pure_zstd/pure_zstd.dart';
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/// `zstd -19` over a file holding `Hello from pure_zstd!`, with a checksum.
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final Uint8List frame = Uint8List.fromList([
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0x28, 0xb5, 0x2f, 0xfd, 0x24, 0x15, 0xa9, 0x00, 0x00, 0x48, 0x65, 0x6c, //
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0x6c, 0x6f, 0x20, 0x66, 0x72, 0x6f, 0x6d, 0x20, 0x70, 0x75, 0x72, 0x65,
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0x5f, 0x7a, 0x73, 0x74, 0x64, 0x21, 0x02, 0x01, 0xd0, 0x63,
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]);
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void main() {
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// One frame: the top-level function is enough.
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print(utf8.decode(zstdDecode(frame)));
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// Many frames: hold a decoder, which reuses its tables and scratch buffers.
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final decoder = ZstdDecoder();
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for (var i = 0; i < 3; i++) {
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print(utf8.decode(decoder.decode(frame)));
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}
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// Anything malformed is a ZstdException, never an Error.
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try {
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zstdDecode(Uint8List.fromList([...frame, 0x00]));
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} on ZstdException catch (error) {
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print(error);
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}
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}
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