Implement the "in row" insertion mode.

svn path=/trunk/hubbub/; revision=4443

1 files changed, 135 insertions, 0 deletions

diff --git a/src/treebuilder/in_row.c b/src/treebuilder/in_row.c
new file mode 100644
index 0000000..ea600aa
--- /dev/null
+++ b/src/treebuilder/in_row.c
@@ -0,0 +1,135 @@
+/*
+ * This file is part of Hubbub.
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2008 Andrew Sidwell
+ */
+
+#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 body context.
+ *
+ * \param treebuilder	The treebuilder instance
+ */
+static void table_clear_stack(hubbub_treebuilder *treebuilder)
+{
+	element_type cur_node = treebuilder->context.element_stack[
+			treebuilder->context.current_node].type;
+
+	while (cur_node != TR && cur_node != HTML) {
+		element_type type;
+		void *node;
+
+		if (!element_stack_pop(treebuilder, &type, &node)) {
+			/** \todo errors */
+		}
+
+		cur_node = treebuilder->context.element_stack[
+				treebuilder->context.current_node].type;
+	}
+
+	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 inline bool act_as_if_end_tag_tr(hubbub_treebuilder *treebuilder)
+{
+	element_type otype;
+	void *node;
+
+	/** \todo fragment case */
+
+	table_clear_stack(treebuilder);
+	if (!element_stack_pop(treebuilder, &otype, &node)) {
+		/** \todo errors */
+	}
+
+	treebuilder->context.mode = IN_TABLE_BODY;
+
+	return true;
+}
+
+
+/**
+ * Handle tokens in "in row" insertion mode
+ *
+ * Up to date with the spec as of 25 June 2008
+ *
+ * \param treebuilder  The treebuilder instance
+ * \param token        The token to process
+ * \return True to reprocess the token, false otherwise
+ */
+bool handle_in_row(hubbub_treebuilder *treebuilder,
+		const hubbub_token *token)
+{
+	bool reprocess = false;
+
+	switch (token->type) {
+	case HUBBUB_TOKEN_START_TAG:
+	{
+		element_type type = element_type_from_name(treebuilder,
+				&token->data.tag.name);
+
+		if (type == TH || TD) {
+			table_clear_stack(treebuilder);
+
+			insert_element(treebuilder, &token->data.tag);
+			treebuilder->context.mode = IN_CELL;
+
+			formatting_list_append(treebuilder, type,
+					treebuilder->context.element_stack[
+					treebuilder->context.current_node].node,
+					treebuilder->context.current_node);
+		} else if (type == CAPTION || type == COL ||
+				type == COLGROUP || type == TBODY ||
+				type == TFOOT || type == THEAD || type == TR) {
+			reprocess = act_as_if_end_tag_tr(treebuilder);
+		} else {
+			reprocess = process_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) {
+			(void)act_as_if_end_tag_tr(treebuilder);
+		} else if (type == TABLE) {
+			reprocess = 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 {
+			reprocess = process_in_table(treebuilder, token);
+		}
+	}
+		break;
+	case HUBBUB_TOKEN_CHARACTER:
+	case HUBBUB_TOKEN_COMMENT:
+	case HUBBUB_TOKEN_DOCTYPE:
+	case HUBBUB_TOKEN_EOF:
+		reprocess = process_in_table(treebuilder, token);
+		break;
+	}
+
+	return reprocess;
+}
+