IFC charset decoding

docs/index.js

@@ -144104,6 +144104,8 @@ function getType(elt, viewer) {
 }
 function prettyType(elt, viewer) {
   switch (getType(elt, viewer)) {
+    case "IFCANNOTATION":
+      return "Note";
     case "IFCBEAM":
       return "Beam";
     case "IFCBUILDING":
@@ -144158,17 +144160,29 @@ function getName(elt) {
 function reifyName(element, viewer) {
   if (element.LongName) {
     if (element.LongName.value) {
-      return element.LongName.value.trim();
+      return decodeIFCString(element.LongName.value.trim());
     }
   } else if (element.Name) {
     if (element.Name.value) {
-      return element.Name.value.trim();
+      return decodeIFCString(element.Name.value.trim());
     }
   }
   return prettyType(element, viewer) + "";
 }
 function getDescription(element) {
-  return getValueOrUndefined(element, "Description");
+  const val = getValueOrUndefined(element, "Description");
+  return val ? decodeIFCString(val) : val;
+}
+function decodeIFCString(ifcString) {
+  const ifcUnicodeRegEx = /\\X2\\(.*?)\\X0\\/uig;
+  let resultString = ifcString;
+  let match = ifcUnicodeRegEx.exec(ifcString);
+  while (match) {
+    const unicodeChar = String.fromCharCode(parseInt(match[1], 16));
+    resultString = resultString.replace(match[0], unicodeChar);
+    match = ifcUnicodeRegEx.exec(ifcString);
+  }
+  return resultString;
 }
 
 // src/Containers/SearchIndex.js
@@ -151863,7 +151877,7 @@ var MenuItem_default = MenuItem;
 
 // package.json
 var name = "builders";
-var version = "0.1.0-r210";
+var version = "0.1.0-r212";
 var main = "src/index.jsx";
 var homepage = "https://buildrs.github.io/";
 var scripts = {

package.json

@@ -1,14 +1,14 @@
 {
   "name": "builders",
-  "version": "0.1.0-r210",
+  "version": "0.1.0-r212",
   "main": "src/index.jsx",
   "homepage": "https://buildrs.github.io/",
   "scripts": {
     "clean": "rm -rf docs ; cp -r public docs",
     "new-version": "node --experimental-json-modules src/utils/version.mjs > package.json.new && mv package.json.new package.json",
     "copy-web-asm": "cp node_modules/web-ifc/web-ifc.wasm public/static/js",
     "build": "yarn copy-web-asm && yarn clean && yarn new-version && node config/build.js",
-    "serve": "node config/serve.js",
+    "serve": "yarn copy-web-asm && node config/serve.js",
     "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js"
   },
   "dependencies": {

src/utils/Ifc.js

@@ -6,6 +6,7 @@ function getType(elt, viewer) {
 
 function prettyType(elt, viewer) {
   switch (getType(elt, viewer)) {
+  case 'IFCANNOTATION': return 'Note';
   case 'IFCBEAM': return 'Beam';
   case 'IFCBUILDING': return 'Building';
   case 'IFCBUILDINGSTOREY': return 'Storey';
@@ -48,26 +49,42 @@ function getName(elt) {
 function reifyName(element, viewer) {
   if (element.LongName) {
     if (element.LongName.value) {
-      return element.LongName.value.trim();
+      return decodeIFCString(element.LongName.value.trim());
     }
   } else if (element.Name) {
     if (element.Name.value) {
-      return element.Name.value.trim();
+      return decodeIFCString(element.Name.value.trim());
     }
   }
   return prettyType(element, viewer) + '';
 }
 
 
 function getDescription(element) {
-  return getValueOrUndefined(element, 'Description');
+  const val = getValueOrUndefined(element, 'Description');
+  return val ? decodeIFCString(val) : val;
+}
+
+
+// https://github.com/tomvandig/web-ifc/issues/58#issuecomment-870344068
+function decodeIFCString (ifcString) {
+  const ifcUnicodeRegEx = /\\X2\\(.*?)\\X0\\/uig;
+  let resultString = ifcString;
+  let match = ifcUnicodeRegEx.exec (ifcString);
+  while (match) {
+    const unicodeChar = String.fromCharCode (parseInt (match[1], 16));
+    resultString = resultString.replace (match[0], unicodeChar);
+    match = ifcUnicodeRegEx.exec (ifcString);
+  }
+  return resultString;
 }
 
 
 export {
+  decodeIFCString,
+  getDescription,
+  getName,
   getType,
   prettyType,
-  getName,
-  reifyName,
-  getDescription
+  reifyName
 }

src/utils/Ifc.test.js

@@ -0,0 +1,17 @@
+import Testing from '@pablo-mayrgundter/testing.js/testing.js';
+import {
+  decodeIFCString,
+} from './Ifc.js';
+
+
+const tests = new Testing();
+
+
+tests.add('Test decode ifc string', () => {
+  const someAscii = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890';
+  tests.assertEquals(someAscii, decodeIFCString(someAscii));
+  tests.assertEquals('Küche', decodeIFCString('K\\X2\\00FC\\X0\\che'));
+});
+
+
+tests.run();