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products/Sources/formale Sprachen/Java/Openjdk/src/hotspot/share/utilities/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle stringUtils.hpp Sprache: C

/*
* Copyright (c) 2014, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/

#ifndef SHARE_UTILITIES_STRINGUTILS_HPP
#define SHARE_UTILITIES_STRINGUTILS_HPP

#include "memory/allStatic.hpp"

class StringUtils : AllStatic {
public:
  // Replace the substring <from> with another string <to>. <to> must be
  // no longer than <from>. The input string is modified in-place.
  //
  // Replacement is done in a single pass left-to-right. So replace_no_expand("aaa", "aa", "a")
  // will result in "aa", not "a".
  //
  // Returns the count of substrings that have been replaced.
  static int replace_no_expand(char* string, const char* from, const char* to);

  // Compute string similarity based on Dice's coefficient
  static double similarity(const char* str1, size_t len1, const char* str2, size_t len2);

  // Find needle in haystack, case insensitive.
  // Custom implementation of strcasestr, as it is not available on windows.
  static const char* strstr_nocase(const char* haystack, const char* needle);

  // Check if str matches the star_pattern.
  // eg. str "_abc____def__" would match pattern "abc*def".
  // The matching is case insensitive.
  static bool is_star_match(const char* star_pattern, const char* str);
};

#endif // SHARE_UTILITIES_STRINGUTILS_HPP

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