view orpg/chat/chat_util.py @ 162:e3714f232f2f beta

Traipse Beta 'OpenRPG' {091128-00} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary (Beta) New Features: Added Bookmarks Added 'boot' command to remote admin Added confirmation window for sent nodes Minor changes to allow for portability to an OpenSUSE linux OS Miniatures Layer pop up box allows users to turn off Mini labels, from FlexiRPG Zoom Mouse plugin added Images added to Plugin UI Switching to Element Tree Map efficiency, from FlexiRPG Added Status Bar to Update Manager New TrueDebug Class in orpg_log (See documentation for usage) Portable Mercurial Tip of the Day added, from Core and community New Reference Syntax added for custom PC sheets New Child Reference for gametree New Gametree Recursion method, mapping, context sensitivity, and effeciency.. New Features node with bonus nodes and Node Referencing help added Fixes: Fix to Text based Server Fix to Remote Admin Commands Fix to Pretty Print, from Core Fix to Splitter Nodes not being created Fix to massive amounts of images loading, from Core Fix to Map from gametree not showing to all clients Fix to gametree about menus Fix to Password Manager check on startup Fix to PC Sheets from tool nodes. They now use the tabber_panel Fixed Whiteboard ID to prevent random line or text deleting. Modified ID's to prevent non updated clients from ruining the fix. *Whiteboard from Core not showing* default_manifest.xml renamed to default_upmana.xml Fix to Update Manager; cleaner clode for saved repositories
author sirebral
date Sat, 28 Nov 2009 01:25:58 -0600
parents 3b6888bb53b5
children
line wrap: on
line source

# utility function; see Post() in chatwnd.py

import re
import string
from orpg.orpgCore import *
from orpg.tools.orpg_log import logger, debug
from orpg.tools.decorators import debugging

#============================================
# simple_html_repair(string)
#
# Crude html/xml parser/verifier.
# Catches many mistyped and/or malformed
# html tags and prevents them from causing
# issues with the chat display (see chatwnd.py)
# DOES NOT catch misused but properly formated
#    html like <script> or <li> which are known
#    to cause issues with the chat display
#
# Created 04-25-2005 by Snowdog
#=============================================

def simple_html_repair(string):
    "Returns string with extra > symbols to isolate badly formated HTML"
    #walk though string checking positions of < and > tags.
    first_instance = string.find('<')
    if first_instance == -1: return string #no html, bail out.

    #strip string of an instances of ">>" and "<<" recursively
    #while (string.find(">>") != -1):string = string.replace(">>",">")
    while (string.find("<<") != -1):string = string.replace("<<","<")

    last_start = first_instance
    in_tag_flag = 1
    a = first_instance + 1
    while a < len(string):
        if string[a] == '<':
            if in_tag_flag == 1:
                #attempt to figure out best place to put missing >
                #search from last_start to current position
                at_front = 1
                for best_pos in range(last_start,a):
                    if (str(string[best_pos]).isspace())and (at_front == 0):
                        break
                    else:
                        at_front = 0
                        best_pos = best_pos + 1
                a = best_pos
                string = string[:a]+">"+string[a:]
                in_tag_flag = 0
                #jump back up one character to catch the last > and reset the in_tag_flag
                a = a - 1
            else:
                in_tag_flag = 1
                last_start = a

        if string[a] == '>':
            last_start = a #found a closing tag, move start of scan block up.
            in_tag_flag = 0
        if (a >= (len(string)-1))and(in_tag_flag == 1):
            #at end of string and need a closing tag marker
            string = string +">"
        a = a+1

    #strip string of an instances of "<>"
    string = string.replace("<>","")

    #sanity check. Count the < and > characters, if there arn't enough > chars
    #tack them on the end to avoid open-tag conditions
    diff = string.count('<') - string.count('>')
    if diff > 0:
        for d in range(1,diff):
            string = string+">"
    return string

# Depricated! Might as well use the already made component.get('xml')
def strip_unicode(txt):
    for i in xrange(len(txt)):
        if txt[i] not in string.printable:
            try:
                txt = txt.replace(txt[i], '&#' + str(ord(txt[i])) + ';')
            except:
                txt = txt.replace(txt[i], '{?}')
    return txt

#================================================
# strip_script_tags(string)
#
# removes all script tags (start and end)
# 04-26-2005 Snowdog
#================================================

def strip_script_tags(string):
    #kill the <script> issue
    p = re.compile( '<(\s*)(/*)[Ss][Cc][Rr][Ii][Pp][Tt](.*?)>')
    string =  p.sub( "<!-- script tag removed //-->", string)
    return string

#================================================
# strip_li_tags(string)
#
# removes all li tags (start and end)
# 05-13-2005
#================================================

def strip_li_tags(string):
    #kill the <li> issue
    string = re.sub( r'<(\s*)[Ll][Ii](.*?)>', r'<b><font color="#000000" size=+1>*</font></b>    ', string)
    string = re.sub( r'<(/*)[Ll][Ii](.*?)>', r'<br />', string)
    return string

#================================================
# strip_body_tags(string)
#
# removes all body tags (start and end) from messages
# should not break the setting of custom background colors
#   through legitimate means such as the OpenRPG settings.
# 07-27-2005 by mDuo13
#================================================

def strip_body_tags(string):
    bodytag_regex = re.compile(r"""<\/?body.*?>""", re.I)
    string = re.sub(bodytag_regex, "", string)
    return string

#================================================
# strip_misalignment_tags(string)
#
# removes the alignment aspect of <p> tags, since
# simply closing one doesn't actually fix the text
# alignment. (I'm assuming this is a bug in wxWindows'
# html parser.)
# However, closing <center> tags does
# return the text to its normal alignment, so this
# algorithm simply closes them, allowing them to be
# used legitimately without causing much annoyance.
# 07-27-2005 mDuo13
#================================================

def strip_misalignment_tags(string):
    alignment_regex = re.compile(r"""<p([^>]*?)align\s*=\s*('.*?'|".*?"|[^\s>]*)(.*?)>""", re.I)
    string = re.sub(alignment_regex, "<p\\1\\3>", string)

    center_regex = re.compile(r"""<center.*?>""", re.I)
    endcenter_regex = re.compile(r"""</center.*?>""", re.I)
    num_centertags = center_regex.findall(string)
    num_endcentertags = endcenter_regex.findall(string)
    if num_centertags > num_endcentertags:
        missing_tags = len(num_centertags) - len(num_endcentertags)
        string = string + missing_tags*"</center>"#yes, you can do this.
    return string

#================================================
# strip_img_tags(string)
#
# removes all img tags (start and end)
# 05-13-2005
# redone 07-11-2005 by mDuo13
#================================================

def strip_img_tags(string):
    #This is a Settings definable feature, Allowing users to enable or disable image display to fix the client crash due to large img posted to chat.
    #p = re.sub( r'<(\s*)(/*)[Ii][Mm][Gg][ ][Ss][Rr][Cc][=](.*?)>', r'<!-- img tag removed //--> <a href=\3>\3</a>', string)

    #this regex is substantially more powerful than the one above
    img_tag_regex = re.compile(r"""<img.*?src\s*?=\s*('.*?'|".*?"|[^\s>]*).*?>""", re.I)
    #this is what replaces the regex match. the \\1 refers to the URL from the previous string
    img_repl_str = "<a href=\\1>[img]</a>"

    #replaces all instances of images in the string with links
    p = re.sub(img_tag_regex, img_repl_str, string)
    return p