initial matador ng commit

source/core/utils/string.cpp

@@ -0,0 +1,81 @@
+#include "matador/utils/string.hpp"
+#include "matador/utils/export.hpp"
+
+#include <sstream>
+
+namespace matador::utils {
+std::string to_string(const blob& data) {
+  static constexpr char HEXITS[] = "0123456789ABCDEF";
+
+  std::string str(2 * data.size(), '\0');
+  auto item = str.begin();
+
+  for(const auto c : data) {
+    *item++ = HEXITS[c >> 4];
+    *item++ = HEXITS[c & 0x0F];
+  }
+
+  return str;
+}
+
+size_t split(const std::string &str, char delim, std::vector<std::string> &values)
+{
+  std::stringstream ss(str);
+  std::string item;
+  while (std::getline(ss, item, delim)) {
+    values.push_back(item);
+  }
+  return values.size();
+}
+
+std::vector<std::string> split(const std::string &str, char delim)
+{
+  std::stringstream ss(str);
+  std::string item;
+  std::vector<std::string> result;
+  while (std::getline(ss, item, delim)) {
+    result.push_back(item);
+  }
+  return result;
+}
+
+size_t split(const std::string &str, const char delim, std::list<std::string> &values)
+{
+  std::stringstream ss(str);
+  std::string item;
+  while (std::getline(ss, item, delim)) {
+    values.push_back(item);
+  }
+  return values.size();
+}
+
+#ifdef _MSC_VER
+// const char* date_format::ISO8601 = "%Y-%m-%d";
+// const char* time_format::ISO8601 = "%Y-%m-%dT%H:%M:%S";
+#endif
+
+std::string trim(const std::string& str, const std::string& whitespace)
+{
+  const auto first = str.find_first_not_of(whitespace);
+  if (first == std::string::npos)
+    return ""; // no content
+
+  const auto end = str.find_last_not_of(whitespace);
+  const auto range = end - first + 1;
+
+  return str.substr(first, range);
+}
+
+void replace_all(std::string &in, const std::string &from, const std::string &to)
+{
+  if(from.empty()) {
+    return;
+  }
+  size_t start_pos = 0;
+  while((start_pos = in.find(from, start_pos)) != std::string::npos) {
+    in.replace(start_pos, from.length(), to);
+    start_pos += to.length(); // In case 'to' contains 'from', like replacing 'x' with 'yx'
+  }
+}
+
+}