Implemented app result and SelectionDialog (#96)

TactilityCore/Source/StringUtils.cpp

@@ -1,5 +1,7 @@
 #include "StringUtils.h"
 #include <cstring>
+#include <iostream>
+#include <sstream>
 
 namespace tt {
 
@@ -27,4 +29,47 @@ bool string_get_path_parent(const char* path, char* output) {
     }
 }
 
+std::vector<std::string> string_split(const std::string&input, const std::string&delimiter) {
+    size_t token_index = 0;
+    size_t delimiter_index;
+    const size_t delimiter_length = delimiter.length();
+    std::string token;
+    std::vector<std::string> result;
+
+    while ((delimiter_index = input.find(delimiter, token_index)) != std::string::npos) {
+        token = input.substr(token_index, delimiter_index - token_index);
+        token_index = delimiter_index + delimiter_length;
+        result.push_back(token);
+    }
+
+    auto end_token = input.substr(token_index);
+    if (!end_token.empty()) {
+        result.push_back(end_token);
+    }
+
+    return result;
+}
+
+std::string string_join(const std::vector<std::string>& input, const std::string& delimiter) {
+    std::stringstream stream;
+    size_t size = input.size();
+
+    if (size == 0) {
+        return "";
+    } else if (size == 1) {
+        return input.front();
+    } else {
+        auto iterator = input.begin();
+        while (iterator != input.end()) {
+            stream << *iterator;
+            iterator++;
+            if (iterator != input.end()) {
+                stream << delimiter;
+            }
+        }
+    }
+
+    return stream.str();
+}
+
 } // namespace

TactilityCore/Source/StringUtils.h

@@ -1,6 +1,8 @@
 #pragma once
 
 #include <cstdio>
+#include <string>
+#include <vector>
 
 namespace tt {
 
@@ -21,4 +23,23 @@ int string_find_last_index(const char* text, size_t from_index, char find);
  */
 bool string_get_path_parent(const char* path, char* output);
 
+/**
+ * Splits the provided input into separate pieces with delimiter as separator text.
+ * When the input string is empty, the output list will be empty too.
+ *
+ * @param input the input to split up
+ * @param delimiter a non-empty string to recognize as separator
+ */
+std::vector<std::string> string_split(const std::string& input, const std::string& delimiter);
+
+/**
+ * Join a set of tokens into a single string, given a delimiter (separator).
+ * If the input is an empty list, the result will be an empty string.
+ * The delimeter is only placed inbetween tokens and not appended at the end of the resulting string.
+ *
+ * @param input the tokens to join together
+ * @param delimiter the separator to join with
+ */
+std::string string_join(const std::vector<std::string>& input, const std::string& delimiter);
+
 } // namespace