cmStringAlgorithms: Simplify cmStrCmp using cm::string_view

Source/cmStringAlgorithms.h

@@ -15,28 +15,21 @@
 #include <utility>
 #include <vector>
 
+/** String range type.  */
 typedef cmRange<std::vector<std::string>::const_iterator> cmStringRange;
 
+/** Callable string comparison struct.  */
 struct cmStrCmp
 {
-  cmStrCmp(const char* test)
-    : m_test(test)
+  cmStrCmp(std::string str)
+    : Test_(std::move(str))
   {
   }
-  cmStrCmp(std::string test)
-    : m_test(std::move(test))
-  {
-  }
-
-  bool operator()(const std::string& input) const { return m_test == input; }
 
-  bool operator()(const char* input) const
-  {
-    return strcmp(input, m_test.c_str()) == 0;
-  }
+  bool operator()(cm::string_view sv) const { return Test_ == sv; }
 
 private:
-  const std::string m_test;
+  std::string const Test_;
 };
 
 template <typename Range>
@@ -81,46 +74,46 @@ std::string cmWrap(char prefix, Range const& r, char suffix,
   return cmWrap(std::string(1, prefix), r, std::string(1, suffix), sep);
 }
 
-/** Returns true if string @a str starts with the character @a prefix.  **/
+/** Returns true if string @a str starts with the character @a prefix.  */
 inline bool cmHasPrefix(cm::string_view str, char prefix)
 {
   return !str.empty() && (str.front() == prefix);
 }
 
-/** Returns true if string @a str starts with string @a prefix.  **/
+/** Returns true if string @a str starts with string @a prefix.  */
 inline bool cmHasPrefix(cm::string_view str, cm::string_view prefix)
 {
   return str.compare(0, prefix.size(), prefix) == 0;
 }
 
-/** Returns true if string @a str starts with string @a prefix.  **/
+/** Returns true if string @a str starts with string @a prefix.  */
 template <size_t N>
 inline bool cmHasLiteralPrefix(cm::string_view str, const char (&prefix)[N])
 {
   return cmHasPrefix(str, cm::string_view(prefix, N - 1));
 }
 
-/** Returns true if string @a str ends with the character @a suffix.  **/
+/** Returns true if string @a str ends with the character @a suffix.  */
 inline bool cmHasSuffix(cm::string_view str, char suffix)
 {
   return !str.empty() && (str.back() == suffix);
 }
 
-/** Returns true if string @a str ends with string @a suffix.  **/
+/** Returns true if string @a str ends with string @a suffix.  */
 inline bool cmHasSuffix(cm::string_view str, cm::string_view suffix)
 {
   return str.size() >= suffix.size() &&
     str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
 }
 
-/** Returns true if string @a str ends with string @a suffix.  **/
+/** Returns true if string @a str ends with string @a suffix.  */
 template <size_t N>
 inline bool cmHasLiteralSuffix(cm::string_view str, const char (&suffix)[N])
 {
   return cmHasSuffix(str, cm::string_view(suffix, N - 1));
 }
 
-/** Removes an existing suffix character of from the string @a str.  **/
+/** Removes an existing suffix character of from the string @a str.  */
 inline void cmStripSuffixIfExists(std::string& str, char suffix)
 {
   if (cmHasSuffix(str, suffix)) {
@@ -128,7 +121,7 @@ inline void cmStripSuffixIfExists(std::string& str, char suffix)
   }
 }
 
-/** Removes an existing suffix string of from the string @a str.  **/
+/** Removes an existing suffix string of from the string @a str.  */
 inline void cmStripSuffixIfExists(std::string& str, cm::string_view suffix)
 {
   if (cmHasSuffix(str, suffix)) {