Merge pull request #6887 from leezh/regex_module

RegEx re-implemented as a module

1 files changed, 114 insertions, 0 deletions

diff --git a/modules/regex/regex.h b/modules/regex/regex.h
new file mode 100644
index 0000000000..803aa72b3f
--- /dev/null
+++ b/modules/regex/regex.h
@@ -0,0 +1,114 @@
+/*************************************************************************/
+/*  regex.h                                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef REGEX_H
+#define REGEX_H
+
+#include "core/vector.h"
+#include "core/ustring.h"
+#include "core/dictionary.h"
+#include "core/reference.h"
+#include "core/resource.h"
+
+class RegExNode;
+
+class RegExMatch : public Reference {
+
+	OBJ_TYPE(RegExMatch, Reference);
+
+	struct Group {
+		Variant name;
+		int start;
+		int length;
+	};
+
+	Vector<Group> captures;
+	String string;
+
+	friend class RegEx;
+	friend class RegExSearch;
+	friend class RegExNodeCapturing;
+	friend class RegExNodeBackReference;
+
+protected:
+
+	static void _bind_methods();
+
+public:
+
+	String expand(const String& p_template) const;
+
+	int get_group_count() const;
+	Array get_group_array() const;
+
+	Array get_names() const;
+	Dictionary get_name_dict() const;
+
+	String get_string(const Variant& p_name) const;
+	int get_start(const Variant& p_name) const;
+	int get_end(const Variant& p_name) const;
+
+	RegExMatch();
+
+};
+
+class RegEx : public Resource {
+
+	OBJ_TYPE(RegEx, Resource);
+
+	RegExNode* root;
+	Vector<Variant> group_names;
+	String pattern;
+	int lookahead_depth;
+
+protected:
+
+	static void _bind_methods();
+
+public:
+
+	void clear();
+	Error compile(const String& p_pattern);
+
+	Ref<RegExMatch> search(const String& p_text, int p_start = 0, int p_end = -1) const;
+	String sub(const String& p_text, const String& p_replacement, bool p_all = false, int p_start = 0, int p_end = -1) const;
+
+	bool is_valid() const;
+	String get_pattern() const;
+	int get_group_count() const;
+	Array get_names() const;
+
+	RegEx();
+	RegEx(const String& p_pattern);
+	~RegEx();
+
+};
+
+#endif // REGEX_H
+