TextMate command to convert `frame` dot notation to equivalent CGGeometry function calls

convert-to-cggeometry.py

#!/usr/bin/python
# Created by C. Bess (2013)
# Converts the frame dot notation to CGGeometry function calls
#
# ref: http://manual.macromates.com/en/environment_variables.html
#
# Usage: 
# After selecting the text that contains the target text, use 
# 'Select Bundle Item' menu item, then find this command and press enter

import os
import re
import sys

# matches: "clipRect2.origin.y" => ('clipRect2', 'origin', 'y')
CG_REGEX = re.compile(r'(\w+)\.(origin|size)\.(\w+)')

input_text = os.environ.get('TM_SELECTED_TEXT', '')
# input_text = os.environ.get('TM_CURRENT_LINE', '')

# Sample text:
# boxRect = CGRectMake(0, clipRect2.origin.y - 0.2, clipRect.origin.x, clipRect.size.height);

# iterate to output conversions
def replace_matches(match):
    parts = match.groups()
    # does it have enough parts
    if len(parts) != 3:
        return
    struct = parts[0]
    func_type = parts[1]
    axis = parts[2]
    
    # build new func call
    func_str = 'CGRectGet'
    if func_type == 'origin':
        pass
    elif func_type == 'size':
        pass
        
    if axis == 'x':
        func_str += 'MinX'
    elif axis == 'y':
        func_str += 'MinY'
    elif axis == 'width':
        func_str += 'Width'
    elif axis == 'height':
        func_str += 'Height'
    func_str += '(%s)' % struct
    return func_str
    # sys.stdout.write(func_str)
    # convert it
    # match = CG_REGEX.search(input_text, match.end())

output_text = CG_REGEX.sub(replace_matches, input_text)
sys.stdout.write(output_text)