25 #ifndef SHARE_UTILITIES_STRINGUTILS_HPP
26 #define SHARE_UTILITIES_STRINGUTILS_HPP
27 
28 #include "memory/allStatic.hpp"
29 #include "utilities/globalDefinitions.hpp"
30 
31 class StringUtils : AllStatic {
32 public:
33   // Replace the substring <from> with another string <to>. <to> must be
34   // no longer than <from>. The input string is modified in-place.
35   //
36   // Replacement is done in a single pass left-to-right. So replace_no_expand("aaa", "aa", "a")
37   // will result in "aa", not "a".
38   //
39   // Returns the count of substrings that have been replaced.
40   static int replace_no_expand(char* string, const char* from, const char* to);
41 
42   // Compute string similarity based on Dice's coefficient
43   static double similarity(const char* str1, size_t len1, const char* str2, size_t len2);
44 




45   // Find needle in haystack, case insensitive.
46   // Custom implementation of strcasestr, as it is not available on windows.
47   static const char* strstr_nocase(const char* haystack, const char* needle);
48 
49   // Check if str matches the star_pattern.
50   // eg. str "_abc____def__" would match pattern "abc*def".
51   // The matching is case insensitive.
52   static bool is_star_match(const char* star_pattern, const char* str);
53 
54   class CommaSeparatedStringIterator {
55   private:
56     char* _token;
57     char* _saved_ptr;
58     char* _list;
59 
60   public:
61     CommaSeparatedStringIterator(ccstrlist option) {
62       // Immediately make a private copy of option, and
63       // replace spaces and newlines with comma.
64       _list = (char*) canonicalize(option);

25 #ifndef SHARE_UTILITIES_STRINGUTILS_HPP
26 #define SHARE_UTILITIES_STRINGUTILS_HPP
27 
28 #include "memory/allStatic.hpp"
29 #include "utilities/globalDefinitions.hpp"
30 
31 class StringUtils : AllStatic {
32 public:
33   // Replace the substring <from> with another string <to>. <to> must be
34   // no longer than <from>. The input string is modified in-place.
35   //
36   // Replacement is done in a single pass left-to-right. So replace_no_expand("aaa", "aa", "a")
37   // will result in "aa", not "a".
38   //
39   // Returns the count of substrings that have been replaced.
40   static int replace_no_expand(char* string, const char* from, const char* to);
41 
42   // Compute string similarity based on Dice's coefficient
43   static double similarity(const char* str1, size_t len1, const char* str2, size_t len2);
44 
45   // Match a wildcarded class list to a proposed class name (in internal form).
46   // Commas separate multiple possible matches; stars are shell-style wildcards.
47   static bool class_list_match(const char* class_list, const char* class_name);
48 
49   // Find needle in haystack, case insensitive.
50   // Custom implementation of strcasestr, as it is not available on windows.
51   static const char* strstr_nocase(const char* haystack, const char* needle);
52 
53   // Check if str matches the star_pattern.
54   // eg. str "_abc____def__" would match pattern "abc*def".
55   // The matching is case insensitive.
56   static bool is_star_match(const char* star_pattern, const char* str);
57 
58   class CommaSeparatedStringIterator {
59   private:
60     char* _token;
61     char* _saved_ptr;
62     char* _list;
63 
64   public:
65     CommaSeparatedStringIterator(ccstrlist option) {
66       // Immediately make a private copy of option, and
67       // replace spaces and newlines with comma.
68       _list = (char*) canonicalize(option);