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Introduce enum dom_stack_flag to make init_dom_stack() more obvious

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This commit is contained in:
Jonas Fonseca 2005-12-21 04:48:50 +01:00 committed by Jonas Fonseca
parent 632f12f82a
commit 2a24ad9099
4 changed files with 18 additions and 10 deletions
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6
src/document/dom/select.c
View File

@ -376,7 +376,7 @@ parse_dom_select(struct dom_select *select, unsigned char *string, int length)
struct dom_select_node sel;
init_scanner(&scanner, &css_scanner_info, string, string + length);
init_dom_stack(&stack, 1);
init_dom_stack(&stack, DOM_STACK_KEEP_NODES);
memset(&sel, 0, sizeof(sel));
@ -869,11 +869,11 @@ select_dom_nodes(struct dom_select *select, struct dom_node *root)
select_data.select = select;;
init_dom_stack(&stack, 1);
init_dom_stack(&stack, DOM_STACK_KEEP_NODES);
add_dom_stack_context(&stack, &select_data,
&dom_select_context_info);
init_dom_stack(&select_data.stack, 1);
init_dom_stack(&select_data.stack, DOM_STACK_KEEP_NODES);
add_dom_stack_context(&stack, &select_data,
&dom_select_data_context_info);

6
src/document/dom/stack.c
View File

@ -53,13 +53,13 @@ realloc_dom_stack_state_objects(struct dom_stack_context *context, size_t depth)
}
void
init_dom_stack(struct dom_stack *stack, int keep_nodes)
init_dom_stack(struct dom_stack *stack, enum dom_stack_flag flags)
{
assert(stack);
memset(stack, 0, sizeof(*stack));
stack->keep_nodes = !!keep_nodes;
stack->flags = flags;
}
void
@ -178,7 +178,7 @@ do_pop_dom_node(struct dom_stack *stack, struct dom_stack_state *parent)
call_dom_stack_callbacks(stack, state, DOM_STACK_POP);
if (!stack->keep_nodes)
if (!(stack->flags & DOM_STACK_KEEP_NODES))
done_dom_node(state->node);
stack->depth--;

10
src/document/dom/stack.h
View File

@ -53,6 +53,11 @@ struct dom_stack_state {
unsigned int immutable:1;
};
enum dom_stack_flag {
/* Keep nodes when popping them or call done_dom_node() on them. */
DOM_STACK_KEEP_NODES = 1,
};
/* The DOM stack is a convenient way to traverse DOM trees. Also it
* maintains needed state info and is therefore also a holder of the current
* context since the stack is used to when the DOM tree is manipulated. */
@ -61,8 +66,7 @@ struct dom_stack {
struct dom_stack_state *states;
size_t depth;
/* Keep nodes when popping them or call done_dom_node() on them. */
unsigned int keep_nodes:1;
enum dom_stack_flag flags;
/* Callbacks which should be called for the pushed and popped nodes. */
struct dom_stack_context *contexts;
@ -121,7 +125,7 @@ search_dom_stack(struct dom_stack *stack, enum dom_node_type type,
/* Life cycle functions. */
void init_dom_stack(struct dom_stack *stack, int keep_nodes);
void init_dom_stack(struct dom_stack *stack, enum dom_stack_flag flags);
void done_dom_stack(struct dom_stack *stack);
/* Add a callback collection to the stack. */

6
src/document/sgml/parser.c
View File

@ -353,6 +353,7 @@ init_sgml_parser(enum sgml_parser_type type, enum sgml_document_type doctype,
struct uri *uri)
{
struct sgml_parser *parser;
enum dom_stack_flag flags = 0;
parser = mem_calloc(1, sizeof(*parser));
if (!parser) return NULL;
@ -361,7 +362,10 @@ init_sgml_parser(enum sgml_parser_type type, enum sgml_document_type doctype,
parser->uri = get_uri_reference(uri);
parser->info = get_sgml_info(doctype);
init_dom_stack(&parser->stack, type != SGML_PARSER_STREAM);
if (type == SGML_PARSER_TREE)
flags |= DOM_STACK_KEEP_NODES;
init_dom_stack(&parser->stack, flags);
/* FIXME: Some sgml backend specific callbacks? Handle HTML script tags,
* and feed document.write() data back to the parser. */
add_dom_stack_context(&parser->stack, parser, &sgml_parser_context_info);