# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - "opensearch" action

    Generate an opensearch xml description.

    @copyright: 2006 by Grégoire Détrez <gdetrez@crans.org>
    @license: GNU GPL, see COPYING for details.
"""

from MoinMoin import config, wikiutil
from MoinMoin.util import MoinMoinNoFooter
from MoinMoin.wikixml.util import XMLGenerator
import StringIO
from xml.sax import saxutils

def execute(pagename, request):
    _ = request.getText
    form = request.form

    if form.has_key('searchtype'):
        searchtype = form['searchtype'][0]
    else:
        searchtype = "Titres"

    request.http_headers(["Content-Type: text/xml; charset=%s" % config.charset ])

    name = request.cfg.sitename + " (%s)" % searchtype
    if searchtype == "Titres":
        Desc = "%s, recherche dans les titres" % request.cfg.sitename
    else:
        Desc = "%s, recherche dans le texte" % request.cfg.sitename

    if searchtype == "Titres":
        searchtype_arg = "titlesearch=Titres"
    else:
        searchtype_arg = "fullsearch=Texte"
    server_search_addr = "http://%s%s?action=fullsearch&context=180&value={searchTerms}&%s" % (request.http_host, request.script_name, searchtype_arg)

    # prepare output
    out = StringIO.StringIO()
    handler = OpenSearchGenerator(out)


    handler.startDocument()

    handler.node('ShortName', name)
    handler.node('Description', Desc)

    handler.node('Image', 'http://%s/favicon.ico' % request.http_host, {
                'height': "16",
                'width': "16",
                'type': "image/x-icon",
                })
    handler.node('Url', None, {
            'template': server_search_addr,
            'method': "get",
            'type': "text/html",
            })
    handler.endDocument()
    request.write(out.getvalue())

    raise MoinMoinNoFooter

class OpenSearchGenerator(saxutils.XMLGenerator):
    default_xmlns = {
        'opensearch':"http://a9.com/-/spec/opensearch/1.1/",
    }
    def __init__(self, out):
        saxutils.XMLGenerator.__init__(self, out=out, encoding=config.charset)
        #self.xmlns = self.default_xmlns
    def startDocument(self):
        saxutils.XMLGenerator.startDocument(self)
        self.startElement('OpenSearchDescription', {'xmlns': "http://a9.com/-/spec/opensearch/1.1/"})
    def endDocument(self):
        self.endElement('OpenSearchDescription')
        saxutils.XMLGenerator.endDocument(self)
    def node(self, tag, value, attr={}):
        self.startElement(tag, attr)
        if value: self.characters(value)
        self.endElement(tag)