#! /usr/bin/python

import pygtk
pygtk.require('2.0')
import gtk  # this is a gnome clipboard tool, not a kde one
import sys  # printing
import re   # regular expressions
import textwrap # wraps text
import time # sleep

def reflow(text):
    # strip off the start
    text = re.sub(r'^\s*/[\*\s]+','',text)
    # strip off the end
    text = re.sub(r'[\s\*]+/\s*$','',text);
    # split the string at multiple newlines (paragraph boundaries)
    cat = '';
    for par in re.split(r'(\n[\s\*]*){2,}',text):
        if re.search(r'^\n[\s\*]*$',par):
            sys.stdout.write('skipping: ' + par + '\n')
            continue;
        sys.stdout.write('processing: ' + par + '\n')

        # replace any newline star sequences (i.e. join multiple lines)
        par = re.sub(r'\n[\s\*]*','',par)
        for wrapped in textwrap.wrap(par,77):
            cat = cat + ' * ' + wrapped + '\n';
        cat = cat + ' * ' + '\n'
    return '/**\n' + cat + ' */\n';
    
clipboard     = gtk.clipboard_get()
copy_of_last  = ''

while( 1 ):
    text = clipboard.wait_for_text();
    if( text == None ):
        sys.stdout.write('not text!\n')        
        continue
    elif( text == copy_of_last ):
        time.sleep(0.100)
        continue
    else:
        leftObj = re.search(r'^\s*/\*',text)
        rightObj = re.search(r'\*/\s*$',text);
        if leftObj and rightObj: 
            sys.stdout.write( "Found a c++ style comment block\n" )
            copy_of_last = reflow( text )
            sys.stdout.write( "Reflowed to:\n\n" )
            sys.stdout.write( copy_of_last )
            sys.stdout.write( "\n" )
            clipboard.set_text( copy_of_last )
            clipboard.store()

/**
 * this one has multiple paragraphs that should not be flowed together
 * 
 * this is the second paragraph
 * 
 * this is the third paragraph which should be much longer than 80 chars and so 
 * should be wrapped up
 * 
 * fourth
 * 
 * fifth
 * 
 * this paragraph is really long and actually goes over 80 char instead of being properly formatted like the previous one that went over 80 lines. In fact this one goes over 160 chars so it should even be wrapped to more than  two lines.
 * 
 */

/**
 * this one has multiple paragraphs that should not be flowed together
 * 
 * this is the second paragraph
 * 
 * this is the third paragraph which should be much longer than 80 chars and
 * soshould be wrapped up a lot
 * 
 * fourth
 * 
 * fifth
 * 
 * this paragraph is really long and actually goes over 80 lines instead ofbeing
 * properly formatted like the previous one that went over 80 lines. INfact this
 * one goes over 160 chars so it should even be wrapped to more thantwo lines.
 * 
 */