add initial project structure
Change-Id: I6a3fb080ff623b312e42d71754480a7ce00b81a0
diff --git a/include/string_utils.h b/include/string_utils.h
new file mode 100644
index 0000000..75661a2
--- /dev/null
+++ b/include/string_utils.h
@@ -0,0 +1,222 @@
+/*
+ * Copyright (C) 2004-2023 Savoir-faire Linux Inc.
+ *
+ * Author: Tristan Matthews <tristan.matthews@savoirfairelinux.com>
+ * Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <vector>
+#include <set>
+#include <algorithm>
+#include <regex>
+#include <iterator>
+#include <charconv>
+
+#ifdef _WIN32
+#include <WTypes.h>
+#endif
+
+namespace jami {
+
+constexpr static const char TRUE_STR[] = "true";
+constexpr static const char FALSE_STR[] = "false";
+
+constexpr static const char*
+bool_to_str(bool b) noexcept
+{
+ return b ? TRUE_STR : FALSE_STR;
+}
+
+std::string to_string(double value);
+
+#ifdef _WIN32
+std::wstring to_wstring(const std::string& str, int codePage = CP_UTF8);
+std::string to_string(const std::wstring& wstr, int codePage = CP_UTF8);
+#endif
+
+std::string to_hex_string(uint64_t id);
+uint64_t from_hex_string(const std::string& str);
+
+template<typename T>
+T
+to_int(std::string_view str, T defaultValue)
+{
+ T result;
+ auto [p, ec] = std::from_chars(str.data(), str.data()+str.size(), result);
+ if (ec == std::errc())
+ return result;
+ else
+ return defaultValue;
+}
+
+template<typename T>
+T
+to_int(std::string_view str)
+{
+ T result;
+ auto [p, ec] = std::from_chars(str.data(), str.data()+str.size(), result);
+ if (ec == std::errc())
+ return result;
+ if (ec == std::errc::invalid_argument)
+ throw std::invalid_argument("Can't parse integer: invalid_argument");
+ else if (ec == std::errc::result_out_of_range)
+ throw std::out_of_range("Can't parse integer: out of range");
+ throw std::system_error(std::make_error_code(ec));
+}
+
+static inline int
+stoi(const std::string& str)
+{
+ return std::stoi(str);
+}
+
+static inline double
+stod(const std::string& str)
+{
+ return std::stod(str);
+}
+
+template<typename... Args>
+std::string concat(Args &&... args){
+ static_assert((std::is_constructible_v<std::string_view, Args&&> && ...));
+ std::string s;
+ s.reserve((std::string_view{ args }.size() + ...));
+ (s.append(std::forward<Args>(args)), ...);
+ return s;
+}
+
+std::string_view trim(std::string_view s);
+
+/**
+ * Split a string_view with an API similar to std::getline.
+ * @param str The input string stream to iterate on, trimed of line during iteration.
+ * @param line The output substring.
+ * @param delim The delimiter.
+ * @return True if line was set, false if the end of the input was reached.
+ */
+inline bool
+getline_full(std::string_view& str, std::string_view& line, char delim = '\n')
+{
+ if (str.empty())
+ return false;
+ auto pos = str.find(delim);
+ line = str.substr(0, pos);
+ str.remove_prefix(pos < str.size() ? pos + 1 : str.size());
+ return true;
+}
+
+/**
+ * Similar to @getline_full but skips empty results.
+ */
+inline bool
+getline(std::string_view& str, std::string_view& line, char delim = '\n')
+{
+ do {
+ if (!getline_full(str, line, delim))
+ return false;
+ } while (line.empty());
+ return true;
+}
+
+inline std::vector<std::string_view>
+split_string(std::string_view str, char delim)
+{
+ std::vector<std::string_view> output;
+ for (auto first = str.data(), second = str.data(), last = first + str.size();
+ second != last && first != last;
+ first = second + 1) {
+ second = std::find(first, last, delim);
+ if (first != second)
+ output.emplace_back(first, second - first);
+ }
+ return output;
+}
+
+inline std::vector<std::string_view>
+split_string(std::string_view str, std::string_view delims = " ")
+{
+ std::vector<std::string_view> output;
+ for (auto first = str.data(), second = str.data(), last = first + str.size();
+ second != last && first != last;
+ first = second + 1) {
+ second = std::find_first_of(first, last, std::cbegin(delims), std::cend(delims));
+ if (first != second)
+ output.emplace_back(first, second - first);
+ }
+ return output;
+}
+
+std::vector<unsigned> split_string_to_unsigned(std::string_view s, char sep);
+
+void string_replace(std::string& str, const std::string& from, const std::string& to);
+
+std::string_view string_remove_suffix(std::string_view str, char separator);
+
+std::string string_join(const std::set<std::string>& set, std::string_view separator = "/");
+
+std::set<std::string> string_split_set(std::string& str, std::string_view separator = "/");
+
+} // namespace jami
+
+/*
+// Add string operators missing from standard
+// see https://groups.google.com/a/isocpp.org/forum/#!topic/std-proposals/1RcShRhrmRc
+namespace std {
+inline string
+operator+(const string& s, const string_view& sv)
+{
+ return jami::concat(s, sv);
+}
+inline string
+operator+(const string_view& sv, const string& s)
+{
+ return jami::concat(sv, s);
+}
+using svmatch = match_results<string_view::const_iterator>;
+using svsub_match = sub_match<string_view::const_iterator>;
+constexpr string_view svsub_match_view(const svsub_match& submatch) noexcept {
+ return string_view(&*submatch.first, submatch.second - submatch.first);
+}
+inline bool
+regex_match(string_view sv,
+ svmatch& m,
+ const regex& e,
+ regex_constants::match_flag_type flags = regex_constants::match_default)
+{
+ return regex_match(sv.begin(), sv.end(), m, e, flags);
+}
+inline bool
+regex_match(string_view sv,
+ const regex& e,
+ regex_constants::match_flag_type flags = regex_constants::match_default)
+{
+ return regex_match(sv.begin(), sv.end(), e, flags);
+}
+inline bool
+regex_search(string_view sv,
+ svmatch& m,
+ const regex& e,
+ regex_constants::match_flag_type flags = regex_constants::match_default)
+{
+ return regex_search(sv.begin(), sv.end(), m, e, flags);
+}
+} // namespace std
+*/