autopushed

apps script unlink.md

@@ -0,0 +1,133 @@
+- a [[script]].
+  - removes/changes links in Docs programmatically.
+
+```
+function unlinkWikilinks() {
+  var document = DocumentApp.getActiveDocument();
+  var wikilink_re = '\\[\\[(.*)?\\]\\]';
+  var body = document.getBody();
+  var text = body.editAsText()
+  text.appendText('\nTesting, wikilink dump follows.')
+
+  var wikilink = text.findText(wikilink_re);
+
+  while (wikilink != null) {
+    //body.appendParagraph(wikilink.getElement().asText().getText());
+    var el = wikilink.getElement();
+    if (el.isPartial) {
+      console.log("Found partial element.")
+      console.log(el.asText().getText()[el.getStartOffset(), el.getEndOffsetInclusive()]);
+    }
+    else {
+      // console.log("Found absolute element.")
+            console.log(el.asText().getText());
+    }
+    wikilink = text.findText(wikilink_re, wikilink);
+  }
+
+}
+
+// What a pain in the ass!
+// ...but it worked :)
+// From https://stackoverflow.com/questions/18727341/get-all-links-in-a-document
+/**
+ * Get an array of all LinkUrls in the document. The function is
+ * recursive, and if no element is provided, it will default to
+ * the active document's Body element.
+ *
+ * @param {Element} element The document element to operate on. 
+ * .
+ * @returns {Array}         Array of objects, vis
+ *                              {element,
+ *                               startOffset,
+ *                               endOffsetInclusive, 
+ *                               url}
+ */
+function getAllLinks(element) {
+  var links = [];
+  element = element || DocumentApp.getActiveDocument().getBody();
+  
+  if (element.getType() === DocumentApp.ElementType.TEXT) {
+    var textObj = element.editAsText();
+    var text = element.getText();
+    var inUrl = false;
+    for (var ch=0; ch < text.length; ch++) {
+      var url = textObj.getLinkUrl(ch);
+      if (url != null) {
+        if (!inUrl) {
+          // We are now!
+          inUrl = true;
+          var curUrl = {};
+          curUrl.element = element;
+          curUrl.url = String( url ); // grab a copy
+          curUrl.startOffset = ch;
+        }
+        else {
+          curUrl.endOffsetInclusive = ch;
+        }          
+      }
+      else {
+        if (inUrl) {
+          // Not any more, we're not.
+          inUrl = false;
+          links.push(curUrl);  // add to links
+          curUrl = {};
+        }
+      }
+    }
+    if (inUrl) {
+      // in case the link ends on the same char that the element does
+      links.push(curUrl); 
+    }
+  }
+  else {
+    try {
+      var numChildren = element.getNumChildren();
+      for (var i=0; i<numChildren; i++) {
+        links = links.concat(getAllLinks(element.getChild(i)));
+      }
+    }
+    catch (error) {
+    }
+  }
+
+  return links;
+}
+
+/**
+ * Replace all or part of UrlLinks in the document.
+ *
+ * @param {String} searchPattern    the regex pattern to search for 
+ * @param {String} replacement      the text to use as replacement
+ *
+ * @returns {Number}                number of Urls changed 
+ */
+function findAndReplaceLinks(searchPattern,replacement) {
+  var links = getAllLinks();
+  console.log("Number of links found:" + links.length)
+  var numChanged = 0;
+  
+  for (var l=0; l<links.length; l++) {
+    var link = links[l];
+    console.log(link.url);
+    if (link.url.match(searchPattern)) {
+      if (replacement == null) {
+        // This link needs to be nuked
+        link.element.setLinkUrl(null);
+
+      }
+      else {
+        // This link needs to be changed
+        var newUrl = link.url.replace(searchPattern,replacement);
+        link.element.setLinkUrl(newUrl);
+      }
+      numChanged++
+    }
+  }
+  return numChanged;
+}
+
+function nukeWikilinks() {
+  findAndReplaceLinks('anagora.org', null)
+}
+```

journal/2023-01-22.md

@@ -3,5 +3,6 @@
   - [x] need to remove links
     - wanted to try to do it with [[apps script]] but I'm finding it a bit limited?
     - this yielded [[agora chapter unlinked]], a [[fork]] of [[agora chapter]] for publishing in the [[personal knowledge graphs]] book
+    - [[apps script unlink]]
   - [ ] add reference for [[three gates of speech]] and any others that are still needed
   - [ ] code graph toggle