Add the "in table body" insertion mode.

svn path=/trunk/hubbub/; revision=4442

3 files changed, 173 insertions, 1 deletions

diff --git a/src/treebuilder/Makefile b/src/treebuilder/Makefile
index 14af5b0..383a4bc 100644
--- a/src/treebuilder/Makefile
+++ b/src/treebuilder/Makefile
@@ -35,7 +35,7 @@ d              := $(DIR)
 SRCS_$(d) := treebuilder.c \
 		initial.c before_html.c before_head.c in_head.c \
 		in_head_noscript.c after_head.c in_body.c \
-		in_caption.c in_column_group.c \
+		in_caption.c in_column_group.c in_table_body.c \
 		generic_rcdata.c script_collect.c
 
 # Append to sources for component
diff --git a/src/treebuilder/in_table_body.c b/src/treebuilder/in_table_body.c
new file mode 100644
index 0000000..ef91f55
--- /dev/null
+++ b/src/treebuilder/in_table_body.c
@@ -0,0 +1,170 @@
+/*
+ * 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 != TBODY && cur_node != TFOOT &&
+			cur_node != THEAD && 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 the case common to some start tag and the table end tag cases.
+ *
+ * \param treebuilder	The treebuilder instance
+ */
+static bool table_sub_start_or_table_end(hubbub_treebuilder *treebuilder)
+{
+	if (element_in_scope(treebuilder, TBODY, true) ||
+			element_in_scope(treebuilder, THEAD, true) ||
+			element_in_scope(treebuilder, TFOOT, true)) {
+		element_type otype;
+		void *node;
+
+		table_clear_stack(treebuilder);
+
+		/* "Act as if an end tag with the same name as the current
+		 * node had been seen" -- this behaviour should be identical
+		 * to handling for (tbody/tfoot/thead) end tags in this mode */
+		if (!element_stack_pop(treebuilder, &otype, &node)) {
+			/** \todo errors */
+		}
+
+		treebuilder->context.mode = IN_TABLE;
+
+		return true;
+	} else {
+		/** \todo parse error */
+	}
+
+	return false;
+}
+
+
+/**
+ * Handle tokens in "in column group" 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_column_group(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 == TR) {
+			table_clear_stack(treebuilder);
+			insert_element(treebuilder, &token->data.tag);
+			treebuilder->context.mode = IN_ROW;
+		} else if (type == TH || TD) {
+			hubbub_tag tag;
+
+			/** \todo parse error */
+
+			/* Manufacture tr tag */
+			tag.name.type = HUBBUB_STRING_PTR;
+			tag.name.data.ptr = (const uint8_t *) "tr";
+			tag.name.len = SLEN("tr");
+
+			tag.n_attributes = 0;
+			tag.attributes = NULL;
+
+			insert_element(treebuilder, &tag);
+			treebuilder->context.mode = IN_ROW;
+
+			reprocess = true;
+		} else if (type == CAPTION || type == COL ||
+				type == COLGROUP || type == TBODY ||
+				type == TFOOT || type == THEAD) {
+			table_sub_start_or_table_end(treebuilder);
+		} else {
+			reprocess = true;
+		}
+	}
+		break;
+	case HUBBUB_TOKEN_END_TAG:
+	{
+		element_type type = element_type_from_name(treebuilder,
+				&token->data.tag.name);
+
+		if (type == TBODY || type == TFOOT || type == THEAD) {
+			if (!element_in_scope(treebuilder, type, true)) {
+				/** \todo parse error */
+				/* Ignore the token */
+			} else {
+				element_type otype;
+				void *node;
+
+				table_clear_stack(treebuilder);
+				if (!element_stack_pop(treebuilder, &otype,
+						&node)) {
+					/** \todo errors */
+				}
+
+				treebuilder->context.mode = IN_TABLE;
+			}
+		} else if (type == TABLE) {
+			table_sub_start_or_table_end(treebuilder);
+		} else if (type == BODY || type == CAPTION || type == COL ||
+				type == COLGROUP || type == HTML ||
+				type == TD || type == TH || type == TR) {
+			/** \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;
+}
+
diff --git a/src/treebuilder/modes.h b/src/treebuilder/modes.h
index 8f204aa..ebd2ab6 100644
--- a/src/treebuilder/modes.h
+++ b/src/treebuilder/modes.h
@@ -66,6 +66,8 @@ bool handle_script_collect_characters(hubbub_treebuilder *treebuilder,
 
 bool process_in_head(hubbub_treebuilder *treebuilder,
 		const hubbub_token *token);
+bool process_in_table(hubbub_treebuilder *treebuilder,
+		const hubbub_token *token);
 bool process_tag_in_body(hubbub_treebuilder *treebuilder,
 		const hubbub_token *token);