feat(util.string):1.10.21, 添加util::string::ToUpper()与ToLower()

Author: hevake

modules/util/string.cpp

@@ -21,6 +21,7 @@
 
 #include <iomanip>
 #include <sstream>
+#include <algorithm>
 
 namespace tbox {
 namespace util {
@@ -251,6 +252,24 @@ void Replace(std::string &target_str, const std::string &pattern_str, const std:
     }
 }
 
+std::string ToUpper(const std::string &origin_str)
+{
+  std::string target_str;
+  target_str.reserve(origin_str.size());
+  std::back_insert_iterator<std::string>  back_insert_iter(target_str);
+  std::transform(origin_str.begin(), origin_str.end(), back_insert_iter, ::toupper);
+  return target_str;
+}
+
+std::string ToLower(const std::string &origin_str)
+{
+  std::string target_str;
+  target_str.reserve(origin_str.size());
+  std::back_insert_iterator<std::string>  back_insert_iter(target_str);
+  std::transform(origin_str.begin(), origin_str.end(), back_insert_iter, ::tolower);
+  return target_str;
+}
+
 }
 }
 }

modules/util/string.h

@@ -138,6 +138,24 @@ size_t HexStrToRawData(const std::string &hex_str, std::vector<uint8_t> &out, co
 void Replace(std::string &target_str, const std::string &pattern_str, const std::string &replace_str,
              std::string::size_type start = 0, std::string::size_type count = 0);
 
+/**
+ * \brief       将字串中所有小写字母替换成大写
+ *
+ * \param origin_str    原始字串
+ *
+ * \return std::string  修改后的字串
+ */
+std::string ToUpper(const std::string &origin_str);
+
+/**
+ * \brief       将字串中所有大写字母替换成小写
+ *
+ * \param origin_str    原始字串
+ *
+ * \return std::string  修改后的字串
+ */
+std::string ToLower(const std::string &origin_str);
+
 }
 }
 }

modules/util/string_test.cpp

@@ -273,3 +273,14 @@ TEST(string, Replace) {
         EXPECT_STREQ(t.c_str(), "aa bbaa aab aaaa aab");
     }
 }
+
+TEST(string, ToUpper) {
+  EXPECT_EQ(ToUpper("Abc:?x#Y$z "), "ABC:?X#Y$Z ");
+  EXPECT_EQ(ToUpper(""), "");
+}
+
+TEST(string, ToLower) {
+  EXPECT_EQ(ToLower("Abc:?x#Y$z "), "abc:?x#y$z ");
+  EXPECT_EQ(ToLower(""), "");
+}
+

version.mk

@@ -21,4 +21,4 @@
 # TBOX版本号
 TBOX_VERSION_MAJOR := 1
 TBOX_VERSION_MINOR := 10
-TBOX_VERSION_REVISION := 20
+TBOX_VERSION_REVISION := 21