From 09db0843f7be604454820822a8165ff409650e91 Mon Sep 17 00:00:00 2001
From: Massimo Di Pierro <massimo.dipierro@gmail.com>
Date: Fri, 20 Apr 2012 10:08:31 -0500
Subject: [PATCH] shoten regex, thanks Jonathan; option to disabled latex for
 use with MathJax

---
 VERSION                               |  2 +-
 gluon/contrib/markmin/markmin2html.py | 79 ++++++++++++++-------------
 gluon/html.py                         |  5 +-
 3 files changed, 44 insertions(+), 42 deletions(-)

diff --git a/VERSION b/VERSION
index 346142e8..43dc3682 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 1.99.7 (2012-04-19 22:50:51) dev
+Version 1.99.7 (2012-04-20 10:07:46) dev
diff --git a/gluon/contrib/markmin/markmin2html.py b/gluon/contrib/markmin/markmin2html.py
index b2e68214..86f531e5 100755
--- a/gluon/contrib/markmin/markmin2html.py
+++ b/gluon/contrib/markmin/markmin2html.py
@@ -252,46 +252,46 @@ As shown in Ref.!`!`mdipierro`!`!:cite
 
 META = 'META'
 LATEX = '<img src="http://chart.apis.google.com/chart?cht=tx&chl=%s" />'
-regex_newlines = re.compile('(\n\r)|(\r\n)')
-regex_dd=re.compile('\$\$(?P<latex>.*?)\$\$')
-regex_code = re.compile('('+META+')|(``(?P<t>.*?)``(:(?P<c>\w+))?)',re.S)
+regex_newlines = re.compile(r'(\n\r)|(\r\n)')
+regex_dd=re.compile(r'\$\$(?P<latex>.*?)\$\$')
+regex_code = re.compile(r'('+META+r')|(``(?P<t>.*?)``(:(?P<c>\w+))?)',re.S)
 regex_maps = [
-    (re.compile('[ \t\r]+\n'),'\n'),
-    (re.compile('[ \t\r]+\n'),'\n'),
-    (re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'),'<strong>\g<t></strong>'),
+    (re.compile(r'[ \t\r]+\n'),'\n'),
+    (re.compile(r'[ \t\r]+\n'),'\n'),
+    (re.compile(r'\*\*(?P<t>[^\s*]+( +[^\s*]+)*)\*\*'),'<strong>\g<t></strong>'),
     (re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"),'<em>\g<t></em>'),
-    (re.compile('^#{6} (?P<t>[^\n]+)',re.M),'\n\n<<h6>\g<t></h6>\n'),
-    (re.compile('^#{5} (?P<t>[^\n]+)',re.M),'\n\n<<h5>\g<t></h5>\n'),
-    (re.compile('^#{4} (?P<t>[^\n]+)',re.M),'\n\n<<h4>\g<t></h4>\n'),
-    (re.compile('^#{3} (?P<t>[^\n]+)',re.M),'\n\n<<h3>\g<t></h3>\n'),
-    (re.compile('^#{2} (?P<t>[^\n]+)',re.M),'\n\n<<h2>\g<t></h2>\n'),
-    (re.compile('^#{1} (?P<t>[^\n]+)',re.M),'\n\n<<h1>\g<t></h1>\n'),
-    (re.compile('^\- +(?P<t>.*)',re.M),'<<ul><li>\g<t></li></ul>'),
-    (re.compile('^\+ +(?P<t>.*)',re.M),'<<ol><li>\g<t></li></ol>'),
-    (re.compile('</ol>\n<<ol>'),''),
-    (re.compile('</ul>\n<<ul>'),''),
-    (re.compile('<<'),'\n\n<<'),
-    (re.compile('\n\s+\n'),'\n\n')]
-regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n',re.M|re.S)
-regex_anchor = re.compile('\[\[(?P<t>\S+)\]\]')
-regex_image_center_width = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +center +(?P<w>\d+px)\]\]')
-regex_image_width = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right) +(?P<w>\d+px)\]\]')
-regex_image_center = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +center\]\]')
-regex_image = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center)\]\]')
-regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
-regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
-regex_link = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+)\]\]')
-regex_link_popup = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) popup\]\]')
-regex_link_no_anchor = re.compile('\[\[ +(?P<k>\S+)\]\]')
-regex_qr = re.compile('(?<!["\w\>/=])qr:(?P<k>\w+://[\w\.\-\+\?&%\/\:]+)',re.M)
-regex_embed = re.compile('(?<!["\w\>/=])embed:(?P<k>\w+://[\w\.\-\+\?&%\/\:]+)',re.M)
-regex_iframe = re.compile('(?<!["\w\>/=])iframe:(?P<k>\w+://[\w\.\-\+\?&%\/\:]+)',re.M)
-regex_auto_image = re.compile('(?<!["\w\>/=])(?P<k>\w+://\S+\.(jpeg|jpg|gif|png)(\?\S+)?)',re.M)
-regex_auto_video = re.compile('(?<!["\w\>/=])(?P<k>\w+://\S+\.(mp4|mpeg|mov)(\?\S+)?)',re.M)
-regex_auto_audio = re.compile('(?<!["\w\>/=])(?P<k>\w+://\S+\.(mp3|wav)(\?\S+)?)',re.M)
-regex_auto = re.compile('(?<!["\w\>/=])(?P<k>\w+://\S+)',re.M)
+    (re.compile(r'^#{6} (?P<t>[^\n]+)',re.M),'\n\n<<h6>\g<t></h6>\n'),
+    (re.compile(r'^#{5} (?P<t>[^\n]+)',re.M),'\n\n<<h5>\g<t></h5>\n'),
+    (re.compile(r'^#{4} (?P<t>[^\n]+)',re.M),'\n\n<<h4>\g<t></h4>\n'),
+    (re.compile(r'^#{3} (?P<t>[^\n]+)',re.M),'\n\n<<h3>\g<t></h3>\n'),
+    (re.compile(r'^#{2} (?P<t>[^\n]+)',re.M),'\n\n<<h2>\g<t></h2>\n'),
+    (re.compile(r'^#{1} (?P<t>[^\n]+)',re.M),'\n\n<<h1>\g<t></h1>\n'),
+    (re.compile(r'^\- +(?P<t>.*)',re.M),'<<ul><li>\g<t></li></ul>'),
+    (re.compile(r'^\+ +(?P<t>.*)',re.M),'<<ol><li>\g<t></li></ol>'),
+    (re.compile(r'</ol>\n<<ol>'),''),
+    (re.compile(r'</ul>\n<<ul>'),''),
+    (re.compile(r'<<'),'\n\n<<'),
+    (re.compile(r'\n\s+\n'),'\n\n')]
+regex_table = re.compile(r'^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n',re.M|re.S)
+regex_anchor = re.compile(r'\[\[(?P<t>\S+)\]\]')
+regex_image_center_width = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +center +(?P<w>\d+px)\]\]')
+regex_image_width = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right) +(?P<w>\d+px)\]\]')
+regex_image_center = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +center\]\]')
+regex_image = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center)\]\]')
+regex_video = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
+regex_audio = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
+regex_link = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+)\]\]')
+regex_link_popup = re.compile(r'\[\[(?P<t>[^\]]*?) +(?P<k>\S+) popup\]\]')
+regex_link_no_anchor = re.compile(r'\[\[ +(?P<k>\S+)\]\]')
+regex_qr = re.compile(r'(?<!["\w>/=])qr:(?P<k>\w+://[\w.\-+?&%/:]+)',re.M)
+regex_embed = re.compile(r'(?<!["\w>/=])embed:(?P<k>\w+://[\w.\-+?&%/:]+)', re.M)
+regex_iframe = re.compile(r'(?<!["\w>/=])iframe:(?P<k>\w+://[\w.\-+?&%/:]+)', re.M)
+regex_auto_image = re.compile(r'(?<!["\w>/=])(?P<k>\w+://\S+\.(jpeg|jpg|gif|png)(\?\S+)?)',re.M)
+regex_auto_video = re.compile(r'(?<!["\w>/=])(?P<k>\w+://\S+\.(mp4|mpeg|mov)(\?\S+)?)',re.M)
+regex_auto_audio = re.compile(r'(?<!["\w>/=])(?P<k>\w+://\S+\.(mp3|wav)(\?\S+)?)',re.M)
+regex_auto = re.compile(r'(?<!["\w>/=])(?P<k>\w+://\S+)',re.M)
 
-def render(text,extra={},allowed={},sep='p',URL=None,environment=None):
+def render(text,extra={},allowed={},sep='p',URL=None,environment=None,latex='google'):
     """
     Arguments:
     - text is the text to be processed
@@ -361,7 +361,7 @@ def render(text,extra={},allowed={},sep='p',URL=None,environment=None):
         def u2(match,environment=environment):
             a = match.group('a')
             return str(environment[a])
-        text = re.compile('@\{(?P<a>\w+?)\}').sub(u2,text)
+        text = re.compile(r'@\{(?P<a>\w+?)\}').sub(u2,text)
     if not URL is None:
         # this is experimental @{controller/index/args}
         # turns into a digitally signed URL
@@ -377,7 +377,8 @@ def render(text,extra={},allowed={},sep='p',URL=None,environment=None):
     # store them into segments they will be treated as code
     #############################################################
     segments, i = [], 0
-    text = regex_dd.sub('``\g<latex>``:latex ',text)
+    if latex == 'google':
+        text = regex_dd.sub('``\g<latex>``:latex ',text)
     text = regex_newlines.sub('\n',text)
     while True:
         item = regex_code.search(text,i)
diff --git a/gluon/html.py b/gluon/html.py
index 584db9ce..82d76306 100644
--- a/gluon/html.py
+++ b/gluon/html.py
@@ -2325,13 +2325,14 @@ class MARKMIN(XmlComponent):
     For documentation: http://web2py.com/examples/static/markmin.html
     """
     def __init__(self, text, extra=None, allowed=None, sep='p',
-                 url=None, environment=None):
+                 url=None, environment=None, latex='google'):
         self.text = text
         self.extra = extra or {}
         self.allowed = allowed or {}
         self.sep = sep
         self.url = URL if url==True else url
         self.environment = environment
+        self.latex = latex
 
     def xml(self):
         """
@@ -2339,7 +2340,7 @@ class MARKMIN(XmlComponent):
         """
         from contrib.markmin.markmin2html import render
         return render(self.text,extra=self.extra,
-                      allowed=self.allowed,sep=self.sep,
+                      allowed=self.allowed,sep=self.sep,latex=self.latex,
                       URL=self.url, environment=self.environment)
 
     def __str__(self):