godot/modules/regex/regex.h
Rémi Verschelde f8ab79e68a Zero initialize all pointer class and struct members
This prevents the pitfall of UB when checking if they have been
assigned something valid by comparing to nullptr.
2022-04-04 19:49:50 +02:00

102 lines
3.7 KiB
C++

/*************************************************************************/
/* regex.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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/object/ref_counted.h"
#include "core/string/ustring.h"
#include "core/templates/map.h"
#include "core/templates/vector.h"
#include "core/variant/array.h"
#include "core/variant/dictionary.h"
class RegExMatch : public RefCounted {
GDCLASS(RegExMatch, RefCounted);
struct Range {
int start = 0;
int end = 0;
};
String subject;
Vector<Range> data;
Map<String, int> names;
friend class RegEx;
protected:
static void _bind_methods();
int _find(const Variant &p_name) const;
public:
String get_subject() const;
int get_group_count() const;
Dictionary get_names() const;
Array get_strings() 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;
};
class RegEx : public RefCounted {
GDCLASS(RegEx, RefCounted);
void *general_ctx = nullptr;
void *code = nullptr;
String pattern;
void _pattern_info(uint32_t what, void *where) const;
protected:
static void _bind_methods();
public:
void clear();
Error compile(const String &p_pattern);
Ref<RegExMatch> search(const String &p_subject, int p_offset = 0, int p_end = -1) const;
Array search_all(const String &p_subject, int p_offset = 0, int p_end = -1) const;
String sub(const String &p_subject, const String &p_replacement, bool p_all = false, int p_offset = 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