Put each insertion mode into its own C file, so that treebuilder.c doesn't get extremely long.

svn path=/trunk/hubbub/; revision=4429

1 files changed, 126 insertions, 0 deletions

diff --git a/src/treebuilder/before_html.c b/src/treebuilder/before_html.c
new file mode 100644
index 0000000..f8b3231
--- /dev/null
+++ b/src/treebuilder/before_html.c
@@ -0,0 +1,126 @@
+/*
+ * This file is part of Hubbub.
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2008 John-Mark Bell <jmb@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"
+
+
+/**
+ * Handle token in "before html" insertion mode
+ *
+ * \param treebuilder  The treebuilder instance
+ * \param token        The token to handle
+ * \return True to reprocess token, false otherwise
+ */
+bool handle_before_html(hubbub_treebuilder *treebuilder, 
+		const hubbub_token *token)
+{
+	bool reprocess = false;
+	bool handled = false;
+
+	switch (token->type) {
+	case HUBBUB_TOKEN_DOCTYPE:
+		/** \todo parse error */
+		break;
+	case HUBBUB_TOKEN_COMMENT:
+		process_comment_append(treebuilder, token,
+				treebuilder->context.document);
+		break;
+	case HUBBUB_TOKEN_CHARACTER:
+		reprocess = process_characters_expect_whitespace(treebuilder,
+				token, false);
+		break;
+	case HUBBUB_TOKEN_START_TAG:
+	{
+		element_type type = element_type_from_name(treebuilder,
+				&token->data.tag.name);
+
+		if (type == HTML) {
+			handled = true;
+		} else {
+			reprocess = true;
+		}
+	}
+		break;
+	case HUBBUB_TOKEN_END_TAG:
+	case HUBBUB_TOKEN_EOF:
+		reprocess = true;
+		break;
+	}
+
+
+	if (handled || reprocess) {
+		int success;
+		void *html, *appended;
+
+		/* We can't use insert_element() here, as it assumes
+		 * that we're inserting into current_node. There is
+		 * no current_node to insert into at this point so
+		 * we get to do it manually. */
+
+		if (reprocess) {
+			/* Need to manufacture html element */
+			hubbub_tag tag;
+
+			/** \todo UTF-16 */
+			tag.name.type = HUBBUB_STRING_PTR;
+			tag.name.data.ptr = (const uint8_t *) "html";
+			tag.name.len = SLEN("html");
+
+			tag.n_attributes = 0;
+			tag.attributes = NULL;
+
+			success = treebuilder->tree_handler->create_element(
+					treebuilder->tree_handler->ctx,
+					&tag, &html);
+		} else {
+			success = treebuilder->tree_handler->create_element(
+					treebuilder->tree_handler->ctx,
+					&token->data.tag, &html);
+		}
+
+		if (success != 0) {
+			/** \todo errors */
+		}
+
+		success = treebuilder->tree_handler->append_child(
+				treebuilder->tree_handler->ctx,
+				treebuilder->context.document,
+				html, &appended);
+		if (success != 0) {
+			/** \todo errors */
+			treebuilder->tree_handler->unref_node(
+					treebuilder->tree_handler->ctx,
+					html);
+		}
+
+		/* We can't use element_stack_push() here, as it 
+		 * assumes that current_node is pointing at the index 
+		 * before the one to insert at. For the first entry in 
+		 * the stack, this does not hold so we must insert
+		 * manually. */
+		treebuilder->context.element_stack[0].type = HTML;
+		treebuilder->context.element_stack[0].node = html;
+		treebuilder->context.current_node = 0;
+
+		/** \todo cache selection algorithm */
+
+		treebuilder->tree_handler->unref_node(
+				treebuilder->tree_handler->ctx,
+				appended);
+
+		treebuilder->context.mode = BEFORE_HEAD;
+	}
+
+	return reprocess;
+}
+