4 * XML dissector for wireshark
7 * Copyright 2005, Luis E. Garcia Ontanon <luis@ontanon.org>
9 * Wireshark - Network traffic analyzer
10 * By Gerald Combs <gerald@wireshark.org>
11 * Copyright 1998 Gerald Combs
13 * SPDX-License-Identifier: GPL-2.0-or-later
22 #include "dtd_parse.h"
24 static dtd_named_list_t* dtd_named_list_new(gchar* name, GPtrArray* list) {
25 dtd_named_list_t* nl = g_new(dtd_named_list_t,1);
33 static GPtrArray* g_ptr_array_join(GPtrArray* a, GPtrArray* b){
36 g_ptr_array_add(a,g_ptr_array_remove_index_fast(b,0));
39 g_ptr_array_free(b,TRUE);
48 %extra_argument { dtd_build_data_t *bd }
51 (void) bd; /* Mark unused, similar to Q_UNUSED */
61 g_string_append_printf(bd->error,"syntax error at end of file");
63 g_string_append_printf(bd->error,"syntax error in %s at or before '%s': \n", TOKEN->location,TOKEN->text);
67 g_string_append_printf(bd->error,"DTD parsing failure\n");
72 %token_type { dtd_token_data_t* }
77 doctype ::= TAG_START DOCTYPE_KW NAME(Name) OPEN_BRACKET dtd_parts CLOSE_BRACKET TAG_STOP. {
78 dtd_named_list_t* root;
79 GPtrArray* root_elems = g_ptr_array_new();
83 if(! bd->proto_name) {
84 bd->proto_name = Name->text;
87 g_free(bd->proto_root);
89 bd->proto_root = Name->text;
91 name = g_ascii_strdown(bd->proto_name, -1);
92 g_free(bd->proto_name);
93 bd->proto_name = name;
95 for( i = 0; i< bd->elements->len; i++) {
96 dtd_named_list_t* el = (dtd_named_list_t*)g_ptr_array_index(bd->elements,i);
98 g_ptr_array_add(root_elems,g_strdup(el->name));
101 root = dtd_named_list_new(g_strdup(Name->text),root_elems);
103 g_ptr_array_add(bd->elements,root);
105 g_free(Name->location);
110 dtd_parts ::= dtd_parts element(Element). { g_ptr_array_add(bd->elements,Element); }
111 dtd_parts ::= dtd_parts attlist(Attlist). { g_ptr_array_add(bd->attributes,Attlist); }
112 dtd_parts ::= element(Element). { g_ptr_array_add(bd->elements,Element); }
113 dtd_parts ::= attlist(Attlist). { g_ptr_array_add(bd->attributes,Attlist); }
115 %type attlist { dtd_named_list_t* }
116 attlist(A) ::= TAG_START ATTLIST_KW NAME(B) attrib_list(TheList) TAG_STOP. {
117 A = dtd_named_list_new(g_ascii_strdown(B->text, -1),TheList);
123 %type element { dtd_named_list_t* }
124 element(A) ::= TAG_START ELEMENT_KW NAME(B) sub_elements(C) TAG_STOP. {
125 A = dtd_named_list_new(g_ascii_strdown(B->text, -1),C);
131 %type attrib_list { GPtrArray* }
132 attrib_list(A) ::= attrib_list(B) attrib(C). { g_ptr_array_add(B,C); A = B; }
133 attrib_list(A) ::= attrib(B). { A = g_ptr_array_new(); g_ptr_array_add(A,B); }
135 %type attrib { gchar* }
136 attrib(A) ::= NAME(B) att_type att_default. {
137 A = g_ascii_strdown(B->text, -1);
143 att_type ::= ATT_TYPE.
144 att_type ::= enumeration.
146 att_default ::= ATT_DEF.
147 att_default ::= ATT_DEF_WITH_VALUE QUOTED.
148 att_default ::= QUOTED.
149 att_default ::= IMPLIED_KW.
150 att_default ::= REQUIRED_KW.
152 enumeration ::= OPEN_PARENS enum_list CLOSE_PARENS.
154 enum_list ::= enum_list PIPE enum_item.
155 enum_list ::= enum_item.
156 enum_list ::= enumeration.
157 enum_list ::= enum_list PIPE enumeration.
160 enum_item ::= QUOTED.
163 %type sub_elements { GPtrArray* }
164 sub_elements(A) ::= sub_elements(B) STAR. {A=B;}
165 sub_elements(A) ::= sub_elements(B) PLUS. {A=B;}
166 sub_elements(A) ::= sub_elements(B) QUESTION. {A=B;}
167 sub_elements(A) ::= OPEN_PARENS ELEM_DATA CLOSE_PARENS. { A = g_ptr_array_new(); }
168 sub_elements(A) ::= OPEN_PARENS element_list(B) COMMA ELEM_DATA CLOSE_PARENS. { A = B; }
169 sub_elements(A) ::= OPEN_PARENS element_list(B) PIPE ELEM_DATA CLOSE_PARENS. { A = B; }
170 sub_elements(A) ::= OPEN_PARENS element_list(B) CLOSE_PARENS. { A = B; }
171 sub_elements(A) ::= EMPTY_KW. { A = g_ptr_array_new(); }
173 %type element_list { GPtrArray* }
174 element_list(A) ::= element_list(B) COMMA element_child(C). { g_ptr_array_add(B,C); A = B; }
175 element_list(A) ::= element_list(B) PIPE element_child(C). { g_ptr_array_add(B,C); A = B; }
176 element_list(A) ::= element_child(B). { A = g_ptr_array_new(); g_ptr_array_add(A,B); }
177 element_list(A) ::= sub_elements(B). { A = B; }
178 element_list(A) ::= element_list(B) COMMA sub_elements(C). { A = g_ptr_array_join(B,C); }
179 element_list(A) ::= element_list(B) PIPE sub_elements(C). { A = g_ptr_array_join(B,C); }
181 %type element_child { gchar* }
182 element_child(A) ::= NAME(B). {
183 A = g_ascii_strdown(B->text, -1);
189 element_child(A) ::= NAME(B) STAR. {
190 A = g_ascii_strdown(B->text, -1);
196 element_child(A) ::= NAME(B) QUESTION. {
197 A = g_ascii_strdown(B->text, -1);
203 element_child(A) ::= NAME(B) PLUS. {
204 A = g_ascii_strdown(B->text, -1);