MoinMoin: attachment:Color2.py of MacroMarket/Color2

   1 """
   2     MoinMoin - Color2 Macro
   3 
   4     @copyright: 2006 by Clif Kussmaul <clif@kussmaul.org>
   5     @license:   GNU GPL, see COPYING for details
   6 
   7     Usage: [[Color2(color,bgcolor,font,text)]]
   8            [[Color2(color,bgcolor,text)]]
   9            [[Color2(color,text)]]
  10 
  11     History:
  12     - originally based on Color Macro
  13       Copyright (c) 2002 by Markus Gritsch <gritsch@iue.tuwien.ac.at>
  14 """
  15 # wiki, string, StringIO used by formattext
  16 from MoinMoin.parser import wiki
  17 import re, string, StringIO
  18 
  19 """
  20     # pattern is color, optional color, optional font, and text 
  21     <pattern>   := <color><sep> (<color><sep1>)? (<font><sep1>)? <text>
  22     # color is rgb(nn,nn,nn), #hhhhhh, or colorname
  23     <color>     := rgb\([^)]+\) | [#a-zA-Z0-9_]*
  24     # separator is "," or ":", but first separator must be used consistently
  25     <sep>       := [,:]
  26     <sep1>      := <previous sep>
  27     # font is anything except a separator
  28     <font>      := [^,:]+
  29     <text>      := .+
  30 """
  31 pat = re.compile(r'\s*(rgb\([^)]+\)|[#a-zA-Z0-9_]*)\s*([,:])' +
  32                 r'(\s*(rgb\([^)]+\)|[#a-zA-Z0-9_]*)\s*\2)?' +
  33                              r'\s*(([^,:]+)\s*\2)?' +
  34                              r'\s*(.+)')
  35 
  36 def formattext(macro, text):
  37     # copied verbatim from MiniPage Macro by Reimar Bauer
  38     text=string.replace(string.join(text,''),'\\n','\n')
  39     out=StringIO.StringIO()
  40     macro.request.redirect(out)
  41     wikiizer = wiki.Parser(text,macro.request)
  42     wikiizer.format(macro.formatter)
  43     result=out.getvalue()
  44     macro.request.redirect()
  45     del out
  46     return(result)
  47 
  48 def execute(macro, args):
  49     f    = macro.formatter
  50     vals = None
  51     if args:
  52       result = pat.match(args)
  53       if result:
  54         # be sure group arguments match unittest() below
  55         vals = result.group(1,4,6,7)
  56     if not vals:
  57         return f.strong(1) + \
  58                f.text('Color2 Examples: ') + \
  59                f.text('[[Color2(red,blue,18px courier,Hello World!)]], ') + \
  60                f.text('[[Color2(#8844AA:Hello World!)]]') + \
  61                f.strong(0) + f.linebreak(0) + \
  62                f.text(' - specifies color, background color, and/or font') + \
  63                f.text('   (can be separated with "," or ":")')
  64     style = ''
  65     if vals[0]:
  66         style += 'color:%s; '            % vals[0]
  67     if vals[1]:
  68         style += 'background-color:%s; ' % vals[1]
  69     if vals[2]:
  70         style += 'font:%s; '             % vals[2]
  71     text = formattext(macro, vals[3])
  72     # discard <p> tag that screws up background color
  73     text = re.sub('<p class="line\d*">', '', text).strip()
  74     return f.rawHTML('<span style="%s">' % style) + text + f.rawHTML('</span>')
  75 
  76 
  77 def execute0(macro, args):
  78     if args:
  79         # use ',' or ':' as arg separator, whichever comes first
  80         p1 = args.find(',')
  81         p2 = args.find(':')
  82         if p1 < 0  : p1 = 10000
  83         if p2 < 0  : p2 = 10000
  84         if p1 < p2 : 
  85             schar = ',' 
  86         else: 
  87             schar = ':'
  88         args = [arg.strip() for arg in args.split(schar)]
  89     else:
  90         args = []
  91     argc = len(args)
  92     f = macro.formatter
  93     if argc <= 1:
  94         return f.strong(1) + \
  95                f.text('Examples: ') + \
  96                f.text('[[Color2(red,blue,18px courier,Hello World!)]], ') + \
  97                f.text('[[Color2(#8844AA:Hello World!)]]') + \
  98                f.strong(0) + f.linebreak(0) + \
  99                f.text(' - specifies color, background color, and/or font') + \
 100                f.text('   (can be separated with "," or ":")')
 101     style = ''
 102     if argc > 1:
 103         style += 'color:%s; '            % args[0]
 104     if argc > 2:
 105         style += 'background-color:%s; ' % args[1]
 106     if argc > 3:
 107         style += 'font:%s; '             % args[2]
 108     text = formattext(macro, args[-1])
 109     # discard <p> tag that screws up background color
 110     text = re.sub('<p class="line\d*">', '', text)
 111     return f.rawHTML('<span style="%s">' % style) + text.strip() + f.rawHTML('</span>')
 112 
 113 
 114 def unittest():
 115     testset = [ 
 116                 "red , s1:s1 s1",
 117                 "red : s1,s1 s1",
 118                 "#effeff,s3:s3 s3",
 119                 "#effeff:s4,s4 s4",
 120 		"rgb(12,23,34),s5:s5 s5",
 121 		"rgb(12,23,34):s6,s6 s6",
 122 		"red,green,  18px courier,this is a test",
 123 		"#effeff,rgb(23,34,45),12px altona,  this is another test",
 124                 ",red , s1:s1 s1",
 125                 ":red : s1,s1 s1",
 126                 ",,12px altona , s1:s1 s1",
 127                 " : : 12px altona : s1,s1 s1",
 128               ]
 129     for testval in testset:
 130       print ":: " + testval
 131       result = pat.match(testval)
 132       if result:
 133         # be sure group arguments match execute() above
 134         print result.group(1,4,6,7)
 135       else:
 136         print result
 137 
 138 # things that happen if file is invoked at command line
 139 #unittest()