Enhance hex to decimal conversion in HexToDecCommand

hex_to_dec.py

@@ -1,30 +1,36 @@
 import sublime
 import sublime_plugin
 
-
 class HexToDecCommand(sublime_plugin.TextCommand):
     MAX_STR_LEN = 20
 
     def run(self, edit):
         v = self.view
-        reglist = list(v.sel())
-        for j in range(0, len(reglist)):
-            hx = v.substr(v.sel()[j])
-            hx = hx.strip()
-            hexdig = '0123456789abcdefABCDEF'
-            l = True
-            if hx == '':
-                l = False
-            for i in hx:
-                if not(i in hexdig):
-                    l = False
+
+        # Process selections in reverse order to prevent offset shifting
+        for region in reversed(list(v.sel())):
+            hx = v.substr(region).strip()
+
+            # Skip completely empty selections
+            if not hx:
+                continue
+
+            # Strip the 'h' or 'H' suffix if it exists
+            clean_hx = hx
+            if clean_hx.lower().endswith('h'):
+                clean_hx = clean_hx[:-1]
 
-            if l:
-                v.replace(edit, v.sel()[j], str(int(hx, 16)))
-            else:
+            try:
+                # Python's int() with base 16 inherently handles '0x' prefixes
+                dec_val = str(int(clean_hx, 16))
+                v.replace(edit, region, dec_val)
+
+            except ValueError:
+                # If int() fails, it's not a valid hex number
                 if len(hx) > self.MAX_STR_LEN:
                     logMsg = hx[0:self.MAX_STR_LEN] + "..."
                 else:
                     logMsg = hx
+
                 sublime.status_message("\"%s\" isn't a hexadecimal number!" % logMsg)
                 sublime.error_message("\"%s\" isn't a hexadecimal number!" % logMsg)