Skip to content
Snippets Groups Projects
Select Git revision
  • 155c46e4f912817cbad380c4ae6650847636c798
  • master default protected
  • release/201811
  • release/201812
  • release/201901
  • release/201902
  • release/201903
  • release/201904
  • release/201905
  • release/201906
  • release/201908
  • release/201912
  • release/202001
  • release/202005
  • release/windows-test/201910
  • release/201808
  • wip/smartlist_refacto
  • wip/patches_poly_2017/JimmyHamel/MathieuGirouxHuppe
18 results

VCardUtils.cpp

Blame
  • Code owners
    Assign users and groups as approvers for specific file changes. Learn more.
    string_utils.h 7.29 KiB
    /*
     *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
     *
     *  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, see <https://www.gnu.org/licenses/>.
     */
    #pragma once
    
    #include <cstdint>
    #include <string>
    #include <vector>
    #include <set>
    #include <algorithm>
    #include <regex>
    #include <iterator>
    #include <charconv>
    #include <string_view>
    
    #ifdef _WIN32
    #include <WTypes.h>
    #endif
    #if defined(__APPLE__)
    #include <TargetConditionals.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;
    }
    
    const std::string& userAgent();
    
    constexpr inline std::string_view
    platform() {
        using namespace std::literals;
    #ifdef __linux__
        #if defined(__ANDROID__)
            return "Android"sv;
        #else
            return "Linux"sv;
        #endif
    #elif defined(_WIN32)
        return "Windows"sv;
    #elif defined(__APPLE__)
        #if TARGET_OS_IOS
            return "iOS"sv;
        #else
            return "macOS"sv;
        #endif
    #else
        return "unknown"sv;
    #endif
    }
    
    constexpr inline std::string_view
    arch() {
        using namespace std::literals;
    #if defined(__x86_64__) || defined(_M_X64)
        return "x86_64"sv;
    #elif defined(__i386__) || defined(_M_IX86)
        return "x86"sv;
    #elif defined(__aarch64__) || defined(_M_ARM64)
        return "arm64"sv;
    #elif defined(__arm__) || defined(_M_ARM)
        return "arm"sv;
    #else
        return "unknown"sv;
    #endif
    }
    
    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>
    inline 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("Unable to parse integer: invalid_argument");
        else if (ec == std::errc::result_out_of_range)
            throw std::out_of_range("Unable to parse integer: out of range");
        throw std::system_error(std::make_error_code(ec));
    }
    
    static inline bool
    starts_with(std::string_view str, std::string_view prefix)
    {
        return str.size() >= prefix.size() && str.compare(0, prefix.size(), prefix) == 0;
    }
    
    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 = "/");
    
    /**
     * Percent-encode a string according to RFC 3986 unreserved characters.
     *
     * Only [0-9A-Za-z], '-' , '_' , '.' , '~' remain unencoded.
     * Everything else (including non-ASCII) becomes '%XX'.
     */
    std::string urlEncode(std::string_view input);
    
    } // namespace jami
    
    // Add string operators crucially 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