void
pop_dom_nodes(struct dom_stack *stack, enum dom_node_type type,
struct dom_string *string)
{
struct dom_stack_state *state;
assert(stack);
if (dom_stack_is_empty(stack)) return;
state = search_dom_stack(stack, type, string);
if (state)
pop_dom_state(stack, state);
}
static void
parse_sgml_plain(struct dom_stack *stack, struct dom_scanner *scanner)
{
struct dom_scanner_token target;
while (dom_scanner_has_tokens(scanner)) {
struct dom_scanner_token *token = get_dom_scanner_token(scanner);
switch (token->type) {
case SGML_TOKEN_ELEMENT:
case SGML_TOKEN_ELEMENT_BEGIN:
if (!add_sgml_element(stack, token)) {
if (token->type == SGML_TOKEN_ELEMENT) {
skip_dom_scanner_token(scanner);
break;
}
skip_sgml_tokens(scanner, SGML_TOKEN_TAG_END);
break;
}
if (token->type == SGML_TOKEN_ELEMENT_BEGIN) {
parse_sgml_attributes(stack, scanner);
} else {
skip_dom_scanner_token(scanner);
}
break;
case SGML_TOKEN_ELEMENT_EMPTY_END:
pop_dom_node(stack);
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_ELEMENT_END:
if (!token->string.length) {
pop_dom_node(stack);
} else {
struct dom_string string;
struct dom_stack_state *state;
set_dom_string(&string, token->string.string, token->string.length);
state = search_dom_stack(stack, DOM_NODE_ELEMENT,
&string);
if (state) {
struct sgml_parser_state *pstate;
pstate = get_sgml_parser_state(stack, state);
copy_struct(&pstate->end_token, token);
pop_dom_state(stack, state);
}
}
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_NOTATION_COMMENT:
add_sgml_node(stack, DOM_NODE_COMMENT, token);
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_NOTATION_ATTLIST:
case SGML_TOKEN_NOTATION_DOCTYPE:
case SGML_TOKEN_NOTATION_ELEMENT:
case SGML_TOKEN_NOTATION_ENTITY:
case SGML_TOKEN_NOTATION:
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_CDATA_SECTION:
add_sgml_node(stack, DOM_NODE_CDATA_SECTION, token);
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_PROCESS_XML_STYLESHEET:
case SGML_TOKEN_PROCESS_XML:
case SGML_TOKEN_PROCESS:
copy_struct(&target, token);
/* Skip the target token */
token = get_next_dom_scanner_token(scanner);
if (!token) break;
assert(token->type == SGML_TOKEN_PROCESS_DATA);
if (add_sgml_proc_instruction(stack, &target, token)
&& (target.type == SGML_TOKEN_PROCESS_XML
|| target.type == SGML_TOKEN_PROCESS_XML_STYLESHEET)
&& token->string.length > 0) {
/* Parse the <?xml data="attributes"?>. */
struct dom_scanner attr_scanner;
init_dom_scanner(&attr_scanner, &sgml_scanner_info,
&token->string, SGML_STATE_ELEMENT,
scanner->count_lines);
if (dom_scanner_has_tokens(&attr_scanner))
parse_sgml_attributes(stack, &attr_scanner);
}
pop_dom_node(stack);
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_ENTITY:
add_sgml_node(stack, DOM_NODE_ENTITY_REFERENCE, token);
skip_dom_scanner_token(scanner);
break;
case SGML_TOKEN_SPACE:
case SGML_TOKEN_TEXT:
default:
add_sgml_node(stack, DOM_NODE_TEXT, token);
skip_dom_scanner_token(scanner);
}
}
}
