Read graph from file

.gitignore

@@ -1,6 +1,7 @@
 # Files and directories created by pub.
 .dart_tool/
 .packages
+*.txt
 
 # Conventional directory for build output.
 build/

bin/main.dart

@@ -1,7 +1,7 @@
 import 'src/graph.dart';
 
 void main(List<String> arguments) {
-  Map<int, int> x = {1: 10, 2: 20};
+  Map<int, int> x = {1: 10, 2: 11};
   var p = Dot.fromMap("Т1", x);
   p.printD();
   x = <int, int>{};

bin/src/graph.dart

@@ -3,8 +3,9 @@ import 'dart:io';
 class Separators {
   final String dotToConnections = ": ";
   final String dotToLength = "|";
-  final String hasLength = "Вес\n";
+  final String space = " ";
-  final String hasNoLength = "НетВеса\n";
+  final String hasLength = "Взвешенный\n";
+  final String hasNoLength = "НеВзвешенный\n";
   final String isOriented = "Ориентированный\n";
   final String isNotOriented = "НеОриентированный\n";
   final String nL = "\n";
@@ -289,19 +290,34 @@ class Graphs {
     _amount = _dots.length;
     _oriented = oriented;
     _syncNum();
-    if (!_oriented) {
-      for (int i = 0; i < _amount; i++) {
-        _fixPathAfterInsert(_dots[i]);
-      }
-    }
     if (!_oriented) _fullFix();
   }
   Graphs.fromFile(String path) {
+    Separators sep = Separators();
     File file = File(path);
     List<String> lines = file.readAsLinesSync();
+    _name = lines.removeAt(0);
+    _oriented = lines.removeAt(0) == sep.isOriented;
+    _useLength = lines.removeAt(0) == sep.hasLength;
+    _dots = <Dot>[];
     for (var l in lines) {
-      print(l);
+      if (l != sep.end) {
+        var spl = l.split(sep.space);
+        List<int> dot = <int>[];
+        List<int> len = <int>[];
+        String name = spl.removeAt(0);
+        name = name.substring(0, name.length - 1);
+        for (var splitted in spl) {
+          var dt = splitted.split(sep.dotToLength);
+          dot.add(int.parse(dt[0]));
+          len.add(int.parse(dt[1]));
+        }
+        Dot add = Dot.fromTwoLists(name, dot, len);
+        _dots.add(add);
+      }
     }
+    _syncNameTable();
+    if (!_oriented) _fullFix();
   }
   //*******Constructor********
 

pubspec.lock

@@ -9,4 +9,4 @@ packages:
     source: hosted
     version: "1.0.1"
 sdks:
-  dart: ">=2.15.0-178.0.dev <3.0.0"
+  dart: ">=2.14.0-178.0.dev <3.0.0"

pubspec.yaml

@@ -4,7 +4,7 @@ version: 1.0.0
 # homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.15.0-178.0.dev <3.0.0'
+  sdk: '>=2.14.0-178.0.dev <3.0.0'
 
 
 # dependencies: