79 lines
2.2 KiB
Dart
79 lines
2.2 KiB
Dart
import 'package:aves/widgets/fullscreen/info/metadata/xmp_namespaces.dart';
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import 'package:aves/widgets/fullscreen/info/metadata/xmp_structs.dart';
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import 'package:flutter/material.dart';
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class XmpBasicNamespace extends XmpNamespace {
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static const ns = 'xmp';
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static final thumbnailsPattern = RegExp(r'xmp:Thumbnails\[(\d+)\]/(.*)');
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final thumbnails = <int, Map<String, String>>{};
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XmpBasicNamespace() : super(ns);
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@override
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bool extractData(XmpProp prop) => extractIndexedStruct(prop, thumbnailsPattern, thumbnails);
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@override
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List<Widget> buildFromExtractedData() => [
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if (thumbnails.isNotEmpty)
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XmpStructArrayCard(
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title: 'Thumbnail',
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structByIndex: thumbnails,
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)
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];
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}
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class XmpMMNamespace extends XmpNamespace {
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static const ns = 'xmpMM';
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static const didPrefix = 'xmp.did:';
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static const iidPrefix = 'xmp.iid:';
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static final derivedFromPattern = RegExp(r'xmpMM:DerivedFrom/(.*)');
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static final historyPattern = RegExp(r'xmpMM:History\[(\d+)\]/(.*)');
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final derivedFrom = <String, String>{};
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final history = <int, Map<String, String>>{};
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XmpMMNamespace() : super(ns);
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@override
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bool extractData(XmpProp prop) => extractStruct(prop, derivedFromPattern, derivedFrom) || extractIndexedStruct(prop, historyPattern, history);
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@override
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List<Widget> buildFromExtractedData() => [
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if (derivedFrom.isNotEmpty)
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XmpStructCard(
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title: 'Derived From',
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struct: derivedFrom,
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),
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if (history.isNotEmpty)
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XmpStructArrayCard(
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title: 'History',
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structByIndex: history,
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),
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];
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@override
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String formatValue(XmpProp prop) {
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final value = prop.value;
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if (value.startsWith(didPrefix)) return value.replaceFirst(didPrefix, '');
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if (value.startsWith(iidPrefix)) return value.replaceFirst(iidPrefix, '');
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return value;
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}
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}
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class XmpNoteNamespace extends XmpNamespace {
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static const ns = 'xmpNote';
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// `xmpNote:HasExtendedXMP` is structural and should not be displayed to users
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static const hasExtendedXmp = '$ns:HasExtendedXMP';
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XmpNoteNamespace() : super(ns);
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@override
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bool extractData(XmpProp prop) {
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return prop.path == hasExtendedXmp;
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}
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}
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