added l.posX calculator command

Author: mghdotdev

commands/Default.sublime-commands

@@ -23,5 +23,9 @@
 	{
 		"caption": "MVT: Entity → Variable",
 		"command": "mvt_entity_convert_to_variable"
+	},
+	{
+		"caption": "MVT: l.pos Calculator",
+		"command": "mvt_pos_calculator"
 	}
 ]

mvt-pos-calculator.py

@@ -0,0 +1,36 @@
+import sublime, sublime_plugin, re
+
+class MvtPosCalculatorCommand( sublime_plugin.TextCommand ):
+	def run( self, edit ):
+		
+		selections = self.view.sel()
+
+		for selection in selections:
+
+			# get region from start of file to first point in selection
+			search_region = sublime.Region( 0, selection.a )
+
+			# get actual text of region
+			search_text = self.view.substr( search_region )
+
+			# find all matches of "open" tags
+			open_tags = re.findall( r'(?i)(<mvt:foreach)', search_text )
+			close_tags = re.findall( r'(?i)(<\/mvt:foreach)', search_text )
+			
+			# calculate the difference between the number of open and closed tags
+			open_close_difference = len( open_tags ) - len( close_tags )
+
+			# check the difference
+			if ( open_close_difference >= 1 ):
+
+				# generate output string
+				output = 'l.pos' + str( open_close_difference );
+
+				# Replace the Variable selection with the generated l.posX
+				self.view.replace( edit, selection, output )
+
+			else:
+
+				# Output error message
+				self.view.set_status( mvt_error_status_key, 'No valid <mvt:foreach> tags detected' )
+				threading.Timer( 3, self.view.erase_status, args=[mvt_error_status_key] ).start()