| """ |
| 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 |
| |
