From 3dccac62b7dea16d13aa85e73bfd75eb57857b1d Mon Sep 17 00:00:00 2001
From: tqcq <99722391+tqcq@users.noreply.github.com>
Date: Sun, 3 Mar 2024 00:46:50 +0800
Subject: [PATCH] feat add StrJoin

---
 CMakeLists.txt               |  1 +
 include/sled/strings/utils.h |  9 +++++++--
 src/strings/utils.cc         | 23 +++++++++++++++++++++++
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 src/strings/utils.cc

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d512a80..a1364ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,7 @@ target_sources(
           src/network/socket_address.cc
           src/network/socket_server.cc
           src/strings/base64.cc
+          src/strings/utils.cc
           src/synchronization/event.cc
           src/synchronization/mutex.cc
           src/synchronization/sequence_checker_internal.cc
diff --git a/include/sled/strings/utils.h b/include/sled/strings/utils.h
index a1dddda..d2724ed 100644
--- a/include/sled/strings/utils.h
+++ b/include/sled/strings/utils.h
@@ -1,10 +1,15 @@
 #ifndef SLED_STRINGS_UTILS_H
 #define SLED_STRINGS_UTILS_H
+#include <string>
+
 namespace sled {
 
 std::string ToLower(const std::string &str);
 std::string ToUpper(const std::string &str);
 std::string ToHex(const std::string &str);
+std::string StrJoin(const std::vector<std::string> &strings,
+                    const std::string &delim,
+                    bool skip_empty = false);
 
-} // namespace sled
-#endif //   SLED_STRINGS_UTILS_H
+}// namespace sled
+#endif//   SLED_STRINGS_UTILS_H
diff --git a/src/strings/utils.cc b/src/strings/utils.cc
new file mode 100644
index 0000000..3061c03
--- /dev/null
+++ b/src/strings/utils.cc
@@ -0,0 +1,23 @@
+#include "sled/strings/utils.h"
+#include <sstream>
+
+namespace sled {
+
+std::string
+StrJoin(const std::vector<std::string> &strings,
+        const std::string &delim,
+        bool skip_empty)
+{
+    if (strings.empty()) { return ""; }
+
+    std::stringstream ss;
+    size_t i = 0;
+    while (skip_empty && i < strings.size() && strings[i].empty()) { ++i; }
+    if (i < strings.size()) { ss << strings[i++]; }
+    for (; i < strings.size(); ++i) {
+        if (skip_empty && strings[i].empty()) { continue; }
+        ss << delim << strings[i];
+    }
+    return ss.str();
+}
+}// namespace sled