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f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/*************************************************************************/
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/* regex.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef REGEX_H
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#define REGEX_H
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#include "core/object/ref_counted.h"
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#include "core/string/ustring.h"
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#include "core/templates/map.h"
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#include "core/templates/vector.h"
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#include "core/variant/array.h"
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#include "core/variant/dictionary.h"
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class RegExMatch : public RefCounted {
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GDCLASS(RegExMatch, RefCounted);
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struct Range {
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int start = 0;
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int end = 0;
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};
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String subject;
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Vector<Range> data;
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Map<String, int> names;
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friend class RegEx;
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protected:
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static void _bind_methods();
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int _find(const Variant &p_name) const;
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public:
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String get_subject() const;
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int get_group_count() const;
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Dictionary get_names() const;
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Array get_strings() const;
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String get_string(const Variant &p_name) const;
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int get_start(const Variant &p_name) const;
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int get_end(const Variant &p_name) const;
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};
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class RegEx : public RefCounted {
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GDCLASS(RegEx, RefCounted);
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void *general_ctx = nullptr;
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void *code = nullptr;
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String pattern;
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void _pattern_info(uint32_t what, void *where) const;
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protected:
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static void _bind_methods();
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public:
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void clear();
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Error compile(const String &p_pattern);
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Ref<RegExMatch> search(const String &p_subject, int p_offset = 0, int p_end = -1) const;
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Array search_all(const String &p_subject, int p_offset = 0, int p_end = -1) const;
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String sub(const String &p_subject, const String &p_replacement, bool p_all = false, int p_offset = 0, int p_end = -1) const;
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bool is_valid() const;
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String get_pattern() const;
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int get_group_count() const;
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Array get_names() const;
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RegEx();
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RegEx(const String &p_pattern);
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~RegEx();
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};
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#endif // REGEX_H
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