From 46a10a698d53e4cf4af997400193ab9cb0e003e5 Mon Sep 17 00:00:00 2001
From: Akemi Izuko <akemi@noway.moe>
Date: Wed, 9 Nov 2022 14:08:23 -0700
Subject: [PATCH] Add fitwidth.py script

---
 bin/fitwidth.py       | 51 +++++++++++++++++++++++++++++++++++++++++++
 bin/lyrics_to_html.py | 34 ++++++++++-------------------
 2 files changed, 62 insertions(+), 23 deletions(-)
 create mode 100755 bin/fitwidth.py

diff --git a/bin/fitwidth.py b/bin/fitwidth.py
new file mode 100755
index 0000000..5ff56c4
--- /dev/null
+++ b/bin/fitwidth.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+import argparse, sys
+
+# Parse args
+parser = argparse.ArgumentParser(prog="FitWidth v1.0.0",
+    description='Fit text (stdin|file) to a given character width');
+parser.add_argument('-t', '--truncate', action='store_true',
+    help='Truncate longer lines with a "..."');
+parser.add_argument('-w', '--wrap', action='store_true',
+    help='Wrap longer lines across two lines with a ">" at the end');
+parser.add_argument('width', type=int,
+    help='Wrap longer lines across two lines with a ">" at the end');
+parser.add_argument('file', type=argparse.FileType('r'), nargs='?',
+    help="File to read from, instead of stdin");
+args = parser.parse_args();
+
+# Validate args
+if not args.truncate and not args.wrap:
+    args.truncate = True
+
+if args.width < 10:
+    print("Minimum width is 10")
+    exit(1);
+
+if args.file is not None:
+    file = args.file
+elif not sys.stdin.isatty():
+    file = sys.stdin
+else:
+    print("Please provide a file or pipe in text to fit")
+    exit(1)
+
+# Print out file
+w = args.width
+
+for line in file:
+    line = line.rstrip()
+
+    if len(line) > w:
+        if args.truncate:
+            print(line[:w-3] + "...")
+        else:
+            i = w-1
+            print(line[:i] + ">")
+            while i < len(line):
+                print(">" + line[i:i+w-1])
+                i += w-1
+    else:
+        print(line)
+
+file.close()
diff --git a/bin/lyrics_to_html.py b/bin/lyrics_to_html.py
index 0e9a4be..68ea0c9 100755
--- a/bin/lyrics_to_html.py
+++ b/bin/lyrics_to_html.py
@@ -67,10 +67,6 @@ html_template_bottom = lambda title, url : f"""
   </body>
 """ + """
   <script>
-    function sleep(ms) {
-      return new Promise(resolve => setTimeout(resolve, ms));
-    }
-
     let style = document.createElement("style");
 
     style.textContent= `
@@ -103,25 +99,17 @@ html_template_bottom = lambda title, url : f"""
         font-size: 16px ;
       }`;
 
-    let loadtimes = [
-      100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
-      200, 200, 200, 200, 200, 200, 200, 200, 200, 200, 200, 200,
-      400, 400, 400, 400, 400, 400, 400, 400, 400, 400, 400, 400,
-    ];
-
-    (async function () {
-      for (let i = 0; true; i++) {
-        try {
-          document.querySelector('#rikaichan-window').shadowRoot.appendChild(style);
-          break;
-        } catch {
-          if (i < loadtimes.length)
-            await sleep(loadtimes[i]);
-          else
-            await sleep(2000);
-        }
-      }
-    })()
+    if (!document.querySelector("#rikaichan-window")?.shadowRoot?.appendChild(style)) {
+        const observer = new MutationObserver(() => {
+            if (document.querySelector("#rikaichan-window")?.shadowRoot?.appendChild(style)) {
+                observer.disconnect();
+            }
+        });
+        observer.observe(document.body, {
+            childList: true,
+            subtree: true, // remove if the parent is a direct parent
+        });
+    }
   </script>
 </html>
 """