Initial Commit

include/Helpers/StringHelpers.cpp

@@ -0,0 +1,67 @@
+#include "StringHelpers.hpp"
+#include <fstream>
+
+std::vector<std::string> split_string_by_token(std::string str, std::string token) {
+    // slightly modified from: https://stackoverflow.com/a/46943631
+    std::vector<std::string> toRet;
+    while(!str.empty()) {
+        size_t index = str.find(token);
+        if(index != std::string::npos) {
+            toRet.emplace_back(str.substr(0, index));
+            str = str.substr(index + token.size());
+            if(str.empty())
+                toRet.emplace_back(str);
+        }
+        else {
+            toRet.emplace_back(str);
+            return toRet;
+        }
+    }
+    return toRet;
+}
+
+uint8_t ascii_hex_char_to_number_no_checks(char asciiHex) {
+    if(asciiHex <= '9')
+        return static_cast<uint8_t>(asciiHex - '0');
+    else
+        return static_cast<uint8_t>(asciiHex - 'A');
+}
+
+std::string byte_vector_to_hex_str(const std::vector<uint8_t>& byteVec) {
+    static constexpr char charList[] = "0123456789ABCDEF";
+
+    std::string ret;
+    ret.reserve(byteVec.size() * 2);
+
+    for(uint8_t b : byteVec) {
+        ret.push_back(charList[b >> 4]);
+        ret.push_back(charList[b & 0x0F]);
+    }
+
+    return ret;
+}
+
+std::string read_file_to_string(const std::filesystem::path& filePath) {
+    std::string toRet;
+    // https://nullptr.org/cpp-read-file-into-string/
+    std::ifstream file(filePath, std::ios::in | std::ios::binary | std::ios::ate);
+
+    if(!file.is_open())
+        throw std::runtime_error("[read_file_to_string] Could not open file");
+
+    size_t resourcesize;
+
+    auto tellgResult = file.tellg();
+
+    if(tellgResult == -1)
+        throw std::runtime_error("[read_file_to_string] tellg failed for file");
+
+    resourcesize = static_cast<size_t>(tellgResult);
+
+    file.seekg(0, std::ios_base::beg);
+    toRet.resize(resourcesize);
+    file.read(toRet.data(), resourcesize);
+    file.close();
+
+    return toRet;
+}