"""
    MoinMoin - Python Source Parser
"""

# Imports
import cgi, string, sys, cStringIO
import keyword, token, tokenize
import os, sys, time

#############################################################################
### Python Source Parser (does Hilighting)
#############################################################################

_KEYWORD = token.NT_OFFSET + 1
_TEXT    = token.NT_OFFSET + 2

_colors = {
    token.NUMBER:       '#0080C0',
    token.OP:           '#0000C0',
    token.STRING:       '#004080',
    tokenize.COMMENT:   '#008000',
    token.NAME:         '#000000',
    token.ERRORTOKEN:   '#FF8080',
    _KEYWORD:           '#C00000',
    _TEXT:              '#000000',
}


class Parser:
    """ Send colored python source.
    """

    def __init__(self, path):
        """ Store the source text.
        """
        self.path = path
	raw = open(path).read()
        self.raw = string.strip(string.expandtabs(raw))
        self.out = cStringIO.StringIO()

    def format(self, formatter, form):
        """ Parse and send the colored source.
        """

        print "Formatting...  2"
        
        # store line offsets in self.lines
        self.lines = [0, 0]
        pos = 0
        while 1:
            pos = string.find(self.raw, '\n', pos) + 1
            if not pos: break
            self.lines.append(pos)
        self.lines.append(len(self.raw))

        # parse the source and write it
        self.pos = 0
        text = cStringIO.StringIO(self.raw)

        self.out.write('<pre><font face="Lucida,Courier New">')
	self.out.write('<a class="viewcode-back" href="javascript:history.go(-1)">[Return]</a>')  # return in history
	#self.out.write('<br/><a class="viewcode-back" href="' + os.path.split(self.path)[-1]  + '">[Download]</a>')  # load file for download, works only on static version !!!!!

	#for i in range(10):
	try:
	    tokenize.tokenize(text.readline, self)
	except tokenize.TokenError, ex:
	    print "failed"
	    msg = ex[0]
	    line = ex[1][0]
	    self.out.write("<h3>ERROR: %s</h3>%s\n" % (msg, self.raw[self.lines[line]:]))
	except:
	    self.out.write("<h3> UNKNOWN ERROR IN CODE PARSER </h3>" + text.readline() )

	self.out.write('<a class="viewcode-back" href="javascript:history.go(-1)">[Return]</a>')
        self.out.write('</font></pre>')

        return  self.out.getvalue()

    def __call__(self, toktype, toktext, (srow,scol), (erow,ecol), line):
        """ Token handler.
        """
        if 0:
            print "type", toktype, token.tok_name[toktype], "text", toktext,
            print "start", srow,scol, "end", erow,ecol, "<br>"

        # calculate new positions
        oldpos = self.pos
        newpos = self.lines[srow] + scol
        self.pos = newpos + len(toktext)

        # handle newlines
        if toktype in [token.NEWLINE, tokenize.NL]:
            self.out.write('\n')
            return

        # send the original whitespace, if needed
        if newpos > oldpos:
            self.out.write(self.raw[oldpos:newpos])

        # skip indenting tokens
        if toktype in [token.INDENT, token.DEDENT]:
            self.pos = newpos
            return

        # map token type to a color group
        if token.LPAR <= toktype and toktype <= token.OP:
            toktype = token.OP
        elif toktype == token.NAME and keyword.iskeyword(toktext):
            toktype = _KEYWORD
        color = _colors.get(toktype, _colors[_TEXT])

        style = ''
        if toktype == token.ERRORTOKEN:
            style = ' style="border: solid 1.5pt #FF0000;"'

        # send text
        self.out.write('<font color="%s"%s>' % (color, style))
        self.out.write(cgi.escape(toktext))
        self.out.write('</font>')

def code2html(source):
    #try:)
    t0 = time.time()
    print "py2html started"
    return  Parser(source).format(None, None)
    print "py2html done", time.time() - t0
    
    #except:
	#return  "MoinMoin parser failed "
if __name__ == "__main__":

    print "Formatting..."

    # open own source
    source = open('base.template').read()
    destination = open('python.html', 'wt')
    #destination = cStringIO.StringIO()
    

    # write colorized version to "python.html"
    out = Parser('base.template' ).format(None, None)

    print out