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"""
WordWrapping
"""
import os, sys, string, time, getopt
import re
def WordWrap(text, cols=70, detect_paragraphs = 0, is_header = 0):
text = string.replace(text,"\r\n", "\n") # remove CRLF
def nlrepl(matchobj):
if matchobj.group(1) != ' ' and matchobj.group(2) != ' ':
repl_with = ' '
else:
repl_with = ''
return matchobj.group(1) + repl_with + matchobj.group(2)
if detect_paragraphs:
text = re.sub("([^\n])\n([^\n])",nlrepl,text)
body = []
i = 0
j = 0
ltext = len(text)
while i<ltext:
if i+cols < ltext:
r = string.find(text, "\n", i, i+cols)
j = r
if r == -1:
j = string.rfind(text, " ", i, i+cols)
if j == -1:
r = string.find(text, "\n", i+cols)
if r == -1: r = ltext
j = string.find(text, " ", i+cols)
if j == -1: j = ltext
j = min(j, r)
else:
j = ltext
body.append(string.strip(text[i:j]))
i = j+1
if is_header:
body = string.join(body, "\n ")
else:
body = string.join(body, "\n")
return body
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