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#!/usr/bin/env python
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2012 Lanedo GmbH
#
import string
import utils
from Struct import Struct
from Field import Field
class FieldStruct(Field):
"""
The FieldStruct class takes care of handling 'struct' format based
Input and Output TLVs
"""
def __init__(self, prefix, dictionary, common_objects_dictionary):
# Call the parent constructor
Field.__init__(self, prefix, dictionary, common_objects_dictionary)
# The field type will be the given struct name
self.field_type = utils.build_camelcase_name(self.fullname)
# Set a struct as content
self.contents = Struct(self.field_type,
dictionary['contents'])
def emit_types(self, hfile, cfile):
'''
Emit the Struct type info
'''
self.contents.emit_packed(cfile)
self.contents.emit(hfile)
def emit_input_tlv_add(self, cfile, line_prefix):
translations = { 'name' : self.name,
'tlv_id' : self.id_enum_name,
'field_type' : self.field_type,
'variable_name' : self.variable_name,
'lp' : line_prefix }
template = (
'${lp}${field_type}Packed tmp;\n'
'\n')
cfile.write(string.Template(template).substitute(translations))
# uint32 and uint16 fields need to be converted to host-endianness
for struct_field in self.contents.members:
cfile.write('%s%s;\n' % (line_prefix,
utils.le_from_he ('input->' + self.variable_name + '.' + utils.build_underscore_name(struct_field['name']),
'tmp.' + utils.build_underscore_name(struct_field['name']),
struct_field['format'])))
template = (
'\n'
'${lp}if (!qmi_message_tlv_add (self,\n'
'${lp} (guint8)${tlv_id},\n'
'${lp} sizeof (tmp),\n'
'${lp} &tmp,\n'
'${lp} error)) {\n'
'${lp} g_prefix_error (error, \"Couldn\'t set the ${name} TLV: \");\n'
'${lp} qmi_message_unref (self);\n'
'${lp} return NULL;\n'
'${lp}}\n')
cfile.write(string.Template(template).substitute(translations))
def emit_output_tlv_get(self, f, line_prefix):
translations = { 'name' : self.name,
'container_underscore' : utils.build_underscore_name (self.prefix),
'field_type' : self.field_type,
'tlv_id' : self.id_enum_name,
'variable_name' : self.variable_name,
'lp' : line_prefix,
'error' : 'error' if self.mandatory == 'yes' else 'NULL'}
template = (
'${lp}${field_type}Packed tmp;\n'
'\n'
'${lp}if (qmi_message_tlv_get (message,\n'
'${lp} ${tlv_id},\n'
'${lp} sizeof (tmp),\n'
'${lp} &tmp,\n'
'${lp} ${error})) {\n'
'${lp} self->${variable_name}_set = TRUE;\n')
f.write(string.Template(template).substitute(translations))
for struct_field in self.contents.members:
f.write('%s %s;\n' % (line_prefix,
utils.he_from_le ('tmp.' + utils.build_underscore_name(struct_field['name']),
'self->' + self.variable_name + '.' + utils.build_underscore_name(struct_field['name']),
struct_field['format'])))
if self.mandatory == 'yes':
template = (
'${lp}} else {\n'
'${lp} g_prefix_error (error, \"Couldn\'t get the ${name} TLV: \");\n'
'${lp} ${container_underscore}_unref (self);\n'
'${lp} return NULL;\n'
'${lp}}\n')
else:
template = (
'${lp}}\n')
f.write(string.Template(template).substitute(translations))
def emit_output_tlv_get_printable(self, f):
translations = { 'name' : self.name,
'underscore' : utils.build_underscore_name (self.fullname),
'container_underscore' : utils.build_underscore_name (self.prefix),
'field_type' : self.field_type,
'tlv_id' : self.id_enum_name,
'variable_name' : self.variable_name }
template = (
'\n'
'static gchar *\n'
'${underscore}_get_printable (\n'
' QmiMessage *self,\n'
' const gchar *line_prefix)\n'
'{\n'
' GString *printable;\n'
' ${field_type}Packed tmp;\n'
'\n'
' printable = g_string_new ("");\n'
' g_assert (qmi_message_tlv_get (self,\n'
' ${tlv_id},\n'
' sizeof (tmp),\n'
' &tmp,\n'
' NULL));\n')
f.write(string.Template(template).substitute(translations))
first = False
for struct_field in self.contents.members:
translations['name_struct_field'] = struct_field['name']
translations['underscore_struct_field'] = utils.build_underscore_name(struct_field['name'])
translations['endianfix'] = utils.he_from_le ('tmp.' + utils.build_underscore_name(struct_field['name']),
'tmp.' + utils.build_underscore_name(struct_field['name']),
struct_field['format'])
template = (
' ${endianfix};'
' g_string_append_printf (printable,\n')
if struct_field['format'] == 'guint8' or \
struct_field['format'] == 'guint16' or \
struct_field['format'] == 'guin32':
template += (
' "\\n"\n'
' "%s [${name_struct_field} = %u] ",\n'
' line_prefix,\n'
' (guint)tmp.${underscore_struct_field});\n')
else:
template += (
' "\\n"\n'
' "%s [${name_struct_field} = %d] ",\n'
' line_prefix,\n'
' (gint)tmp.${underscore_struct_field});\n')
f.write(string.Template(template).substitute(translations))
f.write(
'\n'
' return g_string_free (printable, FALSE);\n'
'}\n')
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