#!/usr/bin/python

import sys

import xml.dom.minidom

from libtpcodegen import file_set_contents, u

from libglibcodegen import NS_TP, get_docstring, xml_escape

class Generator(object):

    def __init__(self, dom, basename):

        self.dom = dom

        self.errors = self.dom.getElementsByTagNameNS(NS_TP, 'errors')[0]

        self.basename = basename

        self.__header = []

        self.__body = []

        self.__docs = []

    def h(self, s):

        self.__header.append(s)

    def b(self, s):

        self.__body.append(s)

    def d(self, s):

        self.__docs.append(s)

    def __call__(self):

        errors = self.errors.getElementsByTagNameNS(NS_TP, 'error')

        self.b('#include <telepathy-glib/errors.h>')

        self.b('')

        self.b('const gchar *')

        self.b('tp_error_get_dbus_name (TpError error)')

        self.b('{')

        self.b('  switch (error)')

        self.b('    {')

        for error in errors:

            ns = error.parentNode.getAttribute('namespace')

            nick = error.getAttribute('name').replace(' ', '')

            uc_nick = error.getAttribute('name').replace(' ', '_').replace('.', '_').upper()

            name = 'TP_ERROR_STR_' + uc_nick

            error_name = '%s.%s' % (ns, nick)

            self.d('/**')

            self.d(' * %s:' % name)

            self.d(' *')

            self.d(' * The D-Bus error name %s' % error_name)

            self.d(' *')

            self.d(' * %s' % xml_escape(get_docstring(error)))

            self.d(' */')

            self.d('')

            self.h('#define %s "%s"' % (name, error_name))

            self.b('      case TP_ERROR_%s:' % uc_nick)

            self.b('        return %s;' % name)

        self.b('      default:')

        self.b('        g_return_val_if_reached (NULL);')

        self.b('    }')

        self.b('}')

        # make both files end with a newline

        self.h('')

        self.b('')

        file_set_contents(self.basename + '.h', u('\n').join(self.__header).encode('utf-8'))

        file_set_contents(self.basename + '.c', u('\n').join(self.__body).encode('utf-8'))

        file_set_contents(self.basename + '-gtk-doc.h', u('\n').join(self.__docs).encode('utf-8'))

if __name__ == '__main__':

    argv = sys.argv[1:]

    basename = argv[0]

    Generator(xml.dom.minidom.parse(argv[1]), basename)()