67 lines
2.1 KiB
Dart
67 lines
2.1 KiB
Dart
import 'dart:async';
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import 'dart:convert' show utf8;
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import 'package:flutter/services.dart' show rootBundle;
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import 'package:resource_portable/resource_portable.dart' show Resource;
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import '../corpus.dart';
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import '../formula_models.dart';
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Future<Corpus> createDefaultCorpus() async{
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final corpus = Corpus();
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Future<String> loadResourceAsString(String path) async {
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return await rootBundle.loadString(path, cache: false);
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}
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Future<void> loadUnits() async {
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final unitResources = [
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"assets/units/amount.d4rt.units",
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"assets/units/angle.d4rt.units",
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"assets/units/area.d4rt.units",
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"assets/units/charge.d4rt.units",
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"assets/units/currency.d4rt.units",
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"assets/units/derived.d4rt.units",
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"assets/units/distance.d4rt.units",
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"assets/units/elasticity.d4rt.units",
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"assets/units/electricity.d4rt.units",
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"assets/units/energy.d4rt.units",
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"assets/units/frequency.d4rt.units",
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"assets/units/force.d4rt.units",
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"assets/units/mass.d4rt.units",
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"assets/units/power.d4rt.units",
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"assets/units/pressure.d4rt.units",
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"assets/units/scalar.d4rt.units",
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"assets/units/temperature.d4rt.units",
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"assets/units/time.d4rt.units",
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"assets/units/velocity.d4rt.units",
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"assets/units/volume.d4rt.units",
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];
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for (final unitRes in unitResources) {
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print( "Loading units from $unitRes");
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final literal = await loadResourceAsString(unitRes);
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final units = UnitSpec.fromArrayStringLiteral(literal);
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final formulaElements = units.cast<FormulaElement>();
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corpus.loadFormulaElements(formulaElements);
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}
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}
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Future<void> loadFormulas() async {
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final formulaResources = ["assets/formulas/formulas.d4rt"];
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for (final formRes in formulaResources) {
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final literal = await loadResourceAsString(formRes);
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final formulas = Formula.fromArrayStringLiteral(literal);
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final formulaElements = formulas.cast<FormulaElement>();
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corpus.loadFormulaElements(formulaElements);
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}
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}
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await loadUnits();
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await loadFormulas();
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return corpus;
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}
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