/*
* This file is part of Hubbub.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2008 Andrew Sidwell <takkaria@netsurf-browser.org>
*/
#include <assert.h>
#include <string.h>
#include "treebuilder/modes.h"
#include "treebuilder/internal.h"
#include "treebuilder/treebuilder.h"
#include "utils/utils.h"
/**
* Clear the stack back to a table row context.
*
* \param treebuilder The treebuilder instance
*/
static void table_clear_stack(hubbub_treebuilder *treebuilder)
{
element_type cur_node = current_node(treebuilder);
while (cur_node != TR && cur_node != HTML) {
hubbub_ns ns;
element_type type;
void *node;
element_stack_pop(treebuilder, &ns, &type, &node);
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx,
node);
cur_node = current_node(treebuilder);
}
return;
}
/**
* Handle </tr> and anything that acts "as if" </tr> was emitted.
*
* \param treebuilder The treebuilder instance
* \return True to reprocess the token, false otherwise
*/
static hubbub_error act_as_if_end_tag_tr(hubbub_treebuilder *treebuilder)
{
hubbub_ns ns;
element_type otype;
void *node;
/** \todo fragment case */
table_clear_stack(treebuilder);
element_stack_pop(treebuilder, &ns, &otype, &node);
treebuilder->tree_handler->unref_node(treebuilder->tree_handler->ctx,
node);
treebuilder->context.mode = IN_TABLE_BODY;
return HUBBUB_REPROCESS;
}
/**
* Handle tokens in "in row" insertion mode
*
* \param treebuilder The treebuilder instance
* \param token The token to process
* \return True to reprocess the token, false otherwise
*/
hubbub_error handle_in_row(hubbub_treebuilder *treebuilder,
const hubbub_token *token)
{
hubbub_error err = HUBBUB_OK;
switch (token->type) {
case HUBBUB_TOKEN_START_TAG:
{
element_type type = element_type_from_name(treebuilder,
&token->data.tag.name);
if (type == TH || type == TD) {
table_clear_stack(treebuilder);
err = insert_element(treebuilder, &token->data.tag,
true);
if (err != HUBBUB_OK)
return err;
treebuilder->context.mode = IN_CELL;
/* ref node for formatting list */
treebuilder->tree_handler->ref_node(
treebuilder->tree_handler->ctx,
treebuilder->context.element_stack[
treebuilder->context.current_node].node);
err = formatting_list_append(treebuilder,
token->data.tag.ns, type,
treebuilder->context.element_stack[
treebuilder->context.current_node].node,
treebuilder->context.current_node);
if (err != HUBBUB_OK) {
hubbub_ns ns;
element_type type;
void *node;
/* Revert changes */
remove_node_from_dom(treebuilder,
treebuilder->context.element_stack[
treebuilder->context.current_node].node);
element_stack_pop(treebuilder, &ns, &type,
&node);
return err;
}
} else if (type == CAPTION || type == COL ||
type == COLGROUP || type == TBODY ||
type == TFOOT || type == THEAD || type == TR) {
err = act_as_if_end_tag_tr(treebuilder);
} else {
err = handle_in_table(treebuilder, token);
}
}
break;
case HUBBUB_TOKEN_END_TAG:
{
element_type type = element_type_from_name(treebuilder,
&token->data.tag.name);
if (type == TR) {
/* We're done with this token, but act_as_if_end_tag_tr
* will return HUBBUB_REPROCESS. Therefore, ignore the
* return value. */
(void) act_as_if_end_tag_tr(treebuilder);
} else if (type == TABLE) {
err = act_as_if_end_tag_tr(treebuilder);
} else if (type == BODY || type == CAPTION || type == COL ||
type == COLGROUP || type == HTML ||
type == TD || type == TH) {
/** \todo parse error */
/* Ignore the token */
} else {
err = handle_in_table(treebuilder, token);
}
}
break;
case HUBBUB_TOKEN_CHARACTER:
case HUBBUB_TOKEN_COMMENT:
case HUBBUB_TOKEN_DOCTYPE:
case HUBBUB_TOKEN_EOF:
err = handle_in_table(treebuilder, token);
break;
}
return err;
}