lsp: handle line-endings appropriately (#3318)

common/util/string_util.cpp

@@ -102,6 +102,22 @@ std::vector<std::string> split(const ::std::string& str, char delimiter) {
   return google_diff::split_string(str, delimiter);
 }
 
+std::vector<std::string> split_string(const std::string& str, const std::string& delimiter) {
+  std::vector<std::string> parsed;
+  std::string::size_type pos = 0;
+  while (true) {
+    const std::string::size_type found = str.find(delimiter, pos);
+    if (found == std::string::npos) {
+      parsed.push_back(str.substr(pos));
+      break;
+    } else {
+      parsed.push_back(str.substr(pos, found - pos));
+      pos = found + delimiter.length();
+    }
+  }
+  return parsed;
+}
+
 std::vector<std::string> regex_get_capture_groups(const std::string& str,
                                                   const std::string& regex) {
   std::vector<std::string> groups;