469 lines
18 KiB
Python
469 lines
18 KiB
Python
# Lasso - A free implementation of the Liberty Alliance specifications.
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#
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# Copyright (C) 2004-2007 Entr'ouvert
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# http://lasso.entrouvert.org
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#
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# Authors: See AUTHORS file in top-level directory.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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import utils
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class WrapperSource:
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def __init__(self, binding_data, fd):
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self.binding_data = binding_data
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self.fd = fd
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self.functions_list = []
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self.src_dir = os.path.dirname(__file__)
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def is_object(self, t):
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return t not in ['char*', 'const char*', 'gchar*', 'const gchar*', 'GList*', 'GHashTable*',
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'xmlNode*', 'int', 'gint', 'gboolean', 'const gboolean'] + self.binding_data.enums
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def generate(self):
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self.generate_header()
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self.generate_constants()
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self.generate_middle()
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for m in self.binding_data.functions:
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self.generate_function(m)
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for c in self.binding_data.structs:
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self.generate_members(c)
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for m in c.methods:
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self.generate_function(m)
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self.generate_functions_list()
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self.generate_footer()
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def generate_header(self):
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self.functions_list.append('lasso_get_object_typename')
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self.functions_list.append('lasso_init')
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self.functions_list.append('lasso_shutdown')
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print >> self.fd, '''\
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/* this file has been generated automatically; do not edit */
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'''
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print >> self.fd, open(os.path.join(self.src_dir,'wrapper_source_top.c')).read()
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for h in self.binding_data.headers:
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print >> self.fd, '#include <%s>' % h
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print >> self.fd, ''
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print >> self.fd, '''\
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PHP_MINIT_FUNCTION(lasso)
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{
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le_lasso_server = zend_register_list_destructors_ex(php_gobject_generic_destructor, NULL, PHP_LASSO_SERVER_RES_NAME, module_number);
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lasso_init();
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'''
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def generate_constants(self):
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print >> self.fd, ' /* Constants (both enums and defines) */'
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for c in self.binding_data.constants:
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if c[0] == 'i':
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print >> self.fd, ' REGISTER_LONG_CONSTANT("%s", %s, CONST_CS|CONST_PERSISTENT);' % (c[1], c[1])
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elif c[0] == 's':
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print >> self.fd, ' REGISTER_STRING_CONSTANT("%s", %s, CONST_CS|CONST_PERSISTENT);' % (c[1], c[1])
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elif c[0] == 'b':
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print >> self.fd, '''\
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#ifdef %s
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REGISTER_LONG_CONSTANT("%s", 1, CONST_CS|CONST_PERSISTENT);
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#else
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REGISTER_LONG_CONSTANT("%s", 0, CONST_CS|CONST_PERSISTENT);
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#endif''' % (c[1], c[1], c[1])
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else:
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print >> sys.stderr, 'E: unknown constant type: %r' % c[0]
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print >> self.fd, ''
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def generate_middle(self):
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print >> self.fd, '''\
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return SUCCESS;
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}
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PHP_MSHUTDOWN_FUNCTION(lasso)
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{
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lasso_shutdown();
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return SUCCESS;
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}
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'''
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def return_value(self, vtype, options, free = False):
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if vtype is None:
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return
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elif vtype == 'gboolean':
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print >> self.fd, ' RETVAL_BOOL(return_c_value);'
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elif vtype in ['int', 'gint'] + self.binding_data.enums:
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print >> self.fd, ' RETVAL_LONG(return_c_value);'
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elif vtype in ('char*', 'gchar*'):
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print >> self.fd, '''\
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if (return_c_value) {
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RETVAL_STRING(return_c_value, 1);
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} else {
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RETVAL_NULL();
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}'''
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if free:
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print >> self.fd, ' free(return_c_value);'
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elif vtype in ('const char*', 'const gchar*'):
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print >> self.fd, '''\
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if (return_c_value) {
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RETVAL_STRING((char*)return_c_value, 1);
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} else {
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RETVAL_NULL();
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}'''
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elif vtype == 'xmlNode*':
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print >> self.fd, '''\
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{
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char* xmlString = get_string_from_xml_node(return_c_value);
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if (xmlString) {
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RETVAL_STRING(xmlString, 0);
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} else {
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RETVAL_NULL();
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}
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}
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'''
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elif vtype == 'GList*':
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if options.get('elem_type') == 'char*':
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print >> self.fd, '''\
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set_array_from_list_of_strings(return_c_value, &return_value);
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'''
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if free:
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print >> self.fd, ' free_glist(&return_c_value, (GFunc)free);'
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elif options.get('elem_type') == 'xmlNode*':
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print >> self.fd, '''\
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set_array_from_list_of_xmlnodes(return_c_value, &return_value);
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'''
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if free:
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print >> self.fd, ' free_glist(&return_c_value, (GFunc)efree);'
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else:
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print >> self.fd, '''\
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set_array_from_list_of_objects(return_c_value, &return_value);
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'''
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if free:
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print >> self.fd, ' free_glist(&return_c_value, NULL);'
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elif vtype == 'GHashTable*':
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if options.get('elem_type') not in ('char*', 'xmlNode*'):
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print >> self.fd, '''\
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set_array_from_hashtable_of_objects(return_c_value, &return_value);
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'''
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else:
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print >> self.fd, '''\
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if (return_c_value) {
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self = PhpGObjectPtr_New(G_OBJECT(return_c_value));
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ZEND_REGISTER_RESOURCE(return_value, self, le_lasso_server);
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} else {
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RETVAL_NULL();
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}'''
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if free:
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print >> self.fd, ' if (return_c_value) {'
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print >> self.fd, ' g_object_unref(return_c_value); // If constructor ref is off by one'
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print >> self.fd, ' }'
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def generate_function(self, m):
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if m.name in ('lasso_init','lasso_shutdown'):
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return
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if m.rename:
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name = m.rename
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else:
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name = m.name
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self.functions_list.append(name)
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print >> self.fd, '''PHP_FUNCTION(%s)
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{''' % name
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parse_tuple_format = []
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parse_tuple_args = []
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for arg in m.args:
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arg_type, arg_name, arg_options = arg
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if arg_type in ('char*', 'const char*', 'gchar*', 'const gchar*'):
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arg_type = arg_type.replace('const ', '')
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parse_tuple_format.append('s!')
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parse_tuple_args.append('&%s_str, &%s_len' % (arg_name, arg_name))
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print >> self.fd, ' %s %s = NULL;' % ('char*', arg_name)
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print >> self.fd, ' %s %s_str = NULL;' % ('char*', arg_name)
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print >> self.fd, ' %s %s_len = 0;' % ('int', arg_name)
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elif arg_type in ['int', 'gint', 'gboolean', 'const gboolean'] + self.binding_data.enums:
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parse_tuple_format.append('l')
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parse_tuple_args.append('&%s' % arg_name)
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print >> self.fd, ' %s %s;' % ('long', arg_name)
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elif arg_type == 'GList*':
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parse_tuple_format.append('a!')
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parse_tuple_args.append('&zval_%s' % arg_name)
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print >> self.fd, ' %s zval_%s = NULL;' % ('zval*', arg_name)
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print >> self.fd, ' %s %s = NULL;' % ('GList*', arg_name)
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else:
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parse_tuple_format.append('r')
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parse_tuple_args.append('&zval_%s' % arg_name)
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print >> self.fd, ' %s %s = NULL;' % (arg_type, arg_name)
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print >> self.fd, ' %s zval_%s = NULL;' % ('zval*', arg_name)
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print >> self.fd, ' %s cvt_%s = NULL;' % ('PhpGObjectPtr*', arg_name)
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if m.return_type:
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print >> self.fd, ' %s return_c_value;' % m.return_type
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if m.return_type is not None and self.is_object(m.return_type):
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print >> self.fd, ' PhpGObjectPtr *self;'
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print >> self.fd, ''
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parse_tuple_args = ', '.join(parse_tuple_args)
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if parse_tuple_args:
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parse_tuple_args = ', ' + parse_tuple_args
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print >> self.fd, '''\
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "%s"%s) == FAILURE) {
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RETURN_FALSE;
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}
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''' % (''.join(parse_tuple_format), parse_tuple_args)
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for f, arg in zip(parse_tuple_format, m.args):
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if f.startswith('s'):
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print >> self.fd, '''\
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%(name)s = %(name)s_str;''' % {'name': arg[1]}
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elif f.startswith('r'):
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print >> self.fd, ' ZEND_FETCH_RESOURCE(cvt_%s, PhpGObjectPtr *, &zval_%s, -1, PHP_LASSO_SERVER_RES_NAME, le_lasso_server);' % (arg[1], arg[1])
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print >> self.fd, ' %s = (%s)cvt_%s->obj;' % (arg[1], arg[0], arg[1])
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elif f.startswith('a'):
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elem_type = arg[2].get('elem_type')
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if elem_type == 'char*':
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print >> self.fd, ' %(name)s = get_list_from_array_of_strings(zval_%(name)s);' % {'name': arg[1]}
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else:
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print >> sys.stderr, 'E: In %(function)s arg %(name)s is of type GList<%(elem)s>' % { 'function': m.name, 'name': arg[1], 'elem': elem_type }
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elif f == 'l':
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pass
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else:
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raise Exception('%s format inconnu' % f)
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if m.return_type is not None:
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print >> self.fd, ' return_c_value = ',
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if 'new' in m.name:
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print >> self.fd, '(%s)' % m.return_type,
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else:
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print >> self.fd, ' ',
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print >> self.fd, '%s(%s);' % (m.name, ', '.join([x[1] for x in m.args]))
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# Free the converted arguments
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for f, arg in zip(parse_tuple_format, m.args):
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if f.startswith('a'):
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elem_type = arg[2].get('elem_type')
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if elem_type == 'char*':
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print >> self.fd, ' if (%(name)s) {' % { 'name': arg[1] }
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print >> self.fd, ' free_glist(&%(name)s,(GFunc)free);' % { 'name': arg[1] }
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print >> self.fd, ' }'
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self.return_value(m.return_type, {}, m.return_owner)
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print >> self.fd, '}'
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print >> self.fd, ''
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def generate_members(self, c):
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for m_type, m_name, m_options in c.members:
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self.generate_getter(c.name, m_type, m_name, m_options)
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self.generate_setter(c.name, m_type, m_name, m_options)
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def generate_getter(self, klassname, m_type, m_name, m_options):
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if m_type == 'GList*' and m_options.get('elem_type') not in ('char*', 'xmlNode*') \
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and not self.is_object(m_options.get('elem_type')):
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print >> sys.stderr, 'E: GList argument : %s of %s, with type : %s' % (m_name, klassname, m_options.get('elem_type'))
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return
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function_name = '%s_%s_get' % (klassname, utils.format_as_camelcase(m_name))
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print >> self.fd, '''PHP_FUNCTION(%s)
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{''' % function_name
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self.functions_list.append(function_name)
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if self.is_object(m_type):
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print >> self.fd, ' %s return_c_value = NULL;' % m_type
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else:
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print >> self.fd, ' %s return_c_value;' % m_type
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print >> self.fd, ' %s* this;' % klassname
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print >> self.fd, ' zval* zval_this;'
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print >> self.fd, ' PhpGObjectPtr *cvt_this;'
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if self.is_object(m_type):
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print >> self.fd, ' PhpGObjectPtr *self;'
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print >> self.fd, ''
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print >> self.fd, '''\
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zval_this) == FAILURE) {
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RETURN_FALSE;
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}
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ZEND_FETCH_RESOURCE(cvt_this, PhpGObjectPtr *, &zval_this, -1, PHP_LASSO_SERVER_RES_NAME, le_lasso_server);
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this = (%s*)cvt_this->obj;
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''' % (klassname)
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if self.is_object(m_type):
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print >> self.fd, ' if (this->%s != NULL) {' % m_name
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print >> self.fd, ' return_c_value = this->%s;' % m_name
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print >> self.fd, ' }'
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else:
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print >> self.fd, ' return_c_value = this->%s;' % m_name
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self.return_value(m_type, m_options)
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print >> self.fd, '}'
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print >> self.fd, ''
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def generate_setter(self, klassname, m_type, m_name, m_options):
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if m_type == 'GList*' and m_options.get('elem_type') not in ('char*', 'xmlNode*') \
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and not self.is_object(m_options.get('elem_type')):
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print >> sys.stderr, 'E: GList argument : %s of %s, with type : %s' % (m_name, klassname, m_options.get('elem_type'))
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return
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function_name = '%s_%s_set' % (klassname, utils.format_as_camelcase(m_name))
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print >> self.fd, '''PHP_FUNCTION(%s)
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{''' % function_name
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self.functions_list.append(function_name)
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print >> self.fd, ' %s* this;' % klassname
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print >> self.fd, ' zval* zval_this;'
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print >> self.fd, ' PhpGObjectPtr *cvt_this;'
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# FIXME: This bloc should be factorised
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parse_tuple_format = ''
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parse_tuple_args = []
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arg_type = m_type
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arg_name = m_name
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arg_options = m_options
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if arg_type in ('char*', 'const char*', 'gchar*', 'const gchar*', 'xmlNode*'):
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arg_type = arg_type.replace('const ', '')
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parse_tuple_format += 's'
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parse_tuple_args.append('&%s_str, &%s_len' % (arg_name, arg_name))
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print >> self.fd, ' %s %s_str = NULL;' % ('char*', arg_name)
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print >> self.fd, ' %s %s_len = 0;' % ('int', arg_name)
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elif arg_type in ['int', 'gint', 'gboolean', 'const gboolean'] + self.binding_data.enums:
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parse_tuple_format += 'l'
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parse_tuple_args.append('&%s' % arg_name)
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print >> self.fd, ' %s %s;' % ('long', arg_name)
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# Must also handle lists of Objects
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elif arg_type in ('GList*', 'GHashTable*'):
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parse_tuple_format += 'a'
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parse_tuple_args.append('&zval_%s' % arg_name)
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print >> self.fd, ' %s zval_%s;' % ('zval*', arg_name)
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else:
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parse_tuple_format += 'r'
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parse_tuple_args.append('&zval_%s' % arg_name)
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print >> self.fd, ' %s zval_%s = NULL;' % ('zval*', arg_name)
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print >> self.fd, ' %s cvt_%s = NULL;' % ('PhpGObjectPtr*', arg_name)
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if parse_tuple_args:
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parse_tuple_arg = parse_tuple_args[0]
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else:
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print >> self.fd, '}'
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print >> self.fd, ''
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return
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print >> self.fd, ''
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print >> self.fd, '''\
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r%s", &zval_this, %s) == FAILURE) {
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return;
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}
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''' % (parse_tuple_format, parse_tuple_arg)
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# Get 'this' object
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print >> self.fd, '''\
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ZEND_FETCH_RESOURCE(cvt_this, PhpGObjectPtr *, &zval_this, -1, PHP_LASSO_SERVER_RES_NAME, le_lasso_server);
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this = (%s*)cvt_this->obj;
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''' % klassname
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# Set new value
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if parse_tuple_format == 'l':
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print >> self.fd, ' this->%s = %s;' % (m_name, m_name)
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elif parse_tuple_format == 's':
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print >> self.fd, ' if (this->%s) {' % m_name
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print >> self.fd, ' g_free(this->%s);' % m_name
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print >> self.fd, ' }'
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print >> self.fd, ' if (%s_str && strcmp(%s_str, "") != 0) {' % (m_name, m_name)
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if arg_type == 'xmlNode*':
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print >> self.fd, ' this->%s = get_xml_node_from_string(%s_str);' % (m_name, m_name)
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else:
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print >> self.fd, ' this->%s = g_strndup(%s_str, %s_len);' % (m_name, m_name, m_name)
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print >> self.fd, ' } else {'
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print >> self.fd, ' this->%s = NULL;' % m_name
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print >> self.fd, ' }'
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elif arg_type == 'GList*':
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if m_options.get('elem_type') == 'char*':
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print >> self.fd, '''
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if (this->%(name)s) {
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/* free existing list */
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g_list_foreach(this->%(name)s, (GFunc)g_free, NULL);
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g_list_free(this->%(name)s);
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}
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this->%(name)s = get_list_from_array_of_strings(zval_%(name)s);
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''' % { 'name': m_name }
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elif m_options.get('elem_type') == 'xmlNode*':
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print >> self.fd, '''
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if (this->%(name)s) {
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/* free existing list */
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g_list_foreach(this->%(name)s, (GFunc)xmlFreeNode, NULL);
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g_list_free(this->%(name)s);
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}
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this->%(name)s = get_list_from_array_of_xmlnodes(zval_%(name)s);
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''' % { 'name': m_name }
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else:
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print >> self.fd, '''
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free_glist(&this->%(name)s, (GFunc)g_object_unref);
|
|
this->%(name)s = get_list_from_array_of_objects(zval_%(name)s);
|
|
''' % { 'name': m_name }
|
|
elif arg_type == 'GHashTable*' and arg_options.get('elem_type') != 'char*':
|
|
print >> self.fd, '''\
|
|
{
|
|
GHashTable *oldhash = this->%(name)s;
|
|
this->%(name)s = get_hashtable_from_array_of_objects(zval_%(name)s);
|
|
g_hash_table_destroy(oldhash);
|
|
}
|
|
''' % { 'name': m_name }
|
|
elif parse_tuple_format == 'r':
|
|
print >> self.fd, ' ZEND_FETCH_RESOURCE(cvt_%s, PhpGObjectPtr*, &zval_%s, -1, PHP_LASSO_SERVER_RES_NAME, le_lasso_server);' % (m_name, m_name)
|
|
print >> self.fd, '''
|
|
g_object_ref(cvt_%(name)s->obj);
|
|
if (this->%(name)s)
|
|
g_object_unref(this->%(name)s);
|
|
this->%(name)s = (%(type)s)cvt_%(name)s->obj;
|
|
''' % { 'name': m_name, 'type': m_type }
|
|
|
|
print >> self.fd, '}'
|
|
print >> self.fd, ''
|
|
|
|
def generate_functions_list(self):
|
|
print >> self.fd, '''\
|
|
static function_entry lasso_functions[] = {'''
|
|
for m in self.functions_list:
|
|
print >> self.fd, ' PHP_FE(%s, NULL)' % m
|
|
print >> self.fd, '''\
|
|
{NULL, NULL, NULL}
|
|
};
|
|
'''
|
|
|
|
def generate_footer(self):
|
|
print >> self.fd, '''\
|
|
zend_module_entry lasso_module_entry = {
|
|
#if ZEND_MODULE_API_NO >= 20010901
|
|
STANDARD_MODULE_HEADER,
|
|
#endif
|
|
PHP_LASSO_EXTNAME,
|
|
lasso_functions,
|
|
PHP_MINIT(lasso),
|
|
PHP_MSHUTDOWN(lasso),
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
#if ZEND_MODULE_API_NO >= 20010901
|
|
PHP_LASSO_VERSION,
|
|
#endif
|
|
STANDARD_MODULE_PROPERTIES
|
|
};
|
|
'''
|
|
|