初始化

lib/tools_base/richTextParsing/html_pro_parser.dart

@@ -0,0 +1,72 @@
+import 'package:flutter/widgets.dart';
+import 'package:hgdj/tools_base/debug_log.dart';
+
+class HtmlProParser {
+  static Color? spanBg(String? value) {
+    if (value == null || value.isEmpty) return null;
+    try {
+      final splitArr = value.toLowerCase().split(":");
+      if (splitArr.length != 2 || !splitArr.last.contains("rgb")) return null;
+      final rgbStr = splitArr.last.replaceAll("rgb(", "").replaceAll(");", "");
+      final rgbArr = rgbStr.split(",");
+      if (rgbArr.length != 3) return null;
+      final r = int.tryParse(rgbArr[0]);
+      final g = int.tryParse(rgbArr[1]);
+      final b = int.tryParse(rgbArr[2]);
+      if (r == null || g == null || b == null) return null;
+      return Color.fromRGBO(r, g, b, 1);
+    } catch (e) {
+      debugLog(e);
+    }
+    return null;
+  }
+
+  static AlignmentGeometry alignment(String? value) {
+    if (value == "text-align:center;") {
+      return Alignment.topCenter;
+    } else if (value == "text-align:right;") {
+      return Alignment.topRight;
+    } else {
+      return Alignment.topLeft;
+    }
+  }
+
+  static WrapAlignment wrapAlignment(String? value) {
+    if (value == "text-align:right;") {
+      return WrapAlignment.end;
+    } else if (value == "text-align:center;") {
+      return WrapAlignment.center;
+    } else {
+      return WrapAlignment.start;
+    }
+  }
+
+  static double? lineHeight(String? value) {
+    try {
+      if (value?.contains("line-height:") == true) {
+        final sizeStr =
+            value!.replaceAll("line-height:", "").replaceAll(";", "");
+        return double.tryParse(sizeStr);
+      }
+    } catch (e) {
+      debugLog(e);
+    }
+    return null;
+  }
+}
+
+class HexColor extends Color {
+  static int _getColorFromHex(String hexColor) {
+    try {
+      hexColor = hexColor.toUpperCase().replaceAll("#", "");
+      if (hexColor.length == 6) {
+        hexColor = "FF$hexColor";
+      }
+      return int.parse(hexColor, radix: 16);
+    } catch (e) {
+      return 0xffffffff;
+    }
+  }
+
+  HexColor(final String hexColor) : super(_getColorFromHex(hexColor));
+}