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++ // Copyright (C) 2022 The Qt Company Ltd.
++ // Copyright (C) 2019 Alexey Edelev <semlanik@gmail.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #ifndef QTPROTOBUFGEN_UTILS_H
++ #define QTPROTOBUFGEN_UTILS_H
++
++ #include <string>
++ #include <string_view>
++ #include <vector>
++ #include <algorithm>
++ #include <set>
++
++ #ifdef QT_PROTOBUF_DEBUG_GENERATOR
++ # include <iostream>
++ # define QT_PROTOBUF_DEBUG(X) std::clog << X << std::endl
++ #else
++ # define QT_PROTOBUF_DEBUG(X)
++ #endif
++
++ namespace google::protobuf {
++ class FileDescriptor;
++ }
++
++ namespace qtprotoccommon {
++ namespace utils {
++ std::vector<std::string> split(std::string_view s, std::string_view c, bool keepEmpty = false);
++ std::string replace(std::string_view where, std::string_view from, std::string_view to);
++ std::string escapeCString(std::string_view s);
++ std::string escapeBlockComment(std::string_view s);
++ void asciiToLower(std::string &str);
++ void asciiToUpper(std::string &str);
++ std::string removeFileSuffix(std::string_view fileName);
++ std::string extractFileBasename(std::string_view fileName);
++ std::string toValidIdentifier(std::string_view name);
++ std::string capitalizeAsciiName(std::string_view name);
++ std::string deCapitalizeAsciiName(std::string_view name);
++ std::string &rtrim(std::string &s);
++ // trim from beginning of string (left)
++ std::string <rim(std::string &s);
++ // trim from both ends of string (right then left)
++ std::string &trim(std::string &s);
++
++ bool contains(std::string_view s, char c);
++ bool contains(std::string_view s, std::string_view c);
++ template<typename Container>
++ bool contains(const Container &c, typename Container::value_type v)
++ { return std::find(std::begin(c), std::end(c), v) != std::end(c); }
++
++ bool startsWith(std::string_view s, char c);
++ bool startsWith(std::string_view s, std::string_view c);
++
++ bool endsWith(std::string_view s, char c);
++ bool endsWith(std::string_view s, std::string_view c);
++
++ template<typename T>
++ std::string join(const T &container, std::string_view separator, std::string_view prefix = "",
++ std::string_view suffix = "")
++ {
++ std::string output = std::string(prefix);
++ bool first = true;
++ for (const std::string &value : container) {
++ if (!first)
++ output += separator;
++ first = false;
++ output += value;
++ }
++ output += suffix;
++ return output;
++ }
++
++ size_t count(std::string_view s, char c);
++
++ // ASCII check functions
++ constexpr bool isAsciiUpper(char32_t c) noexcept
++ {
++ return c >= 'A' && c <= 'Z';
++ }
++
++ constexpr bool isAsciiLower(char32_t c) noexcept
++ {
++ return c >= 'a' && c <= 'z';
++ }
++
++ constexpr char toAsciiLower(char ch) noexcept
++ {
++ return isAsciiUpper(ch) ? ch - 'A' + 'a' : ch;
++ }
++
++ constexpr char toAsciiUpper(char ch) noexcept
++ {
++ return isAsciiLower(ch) ? ch - 'a' + 'A' : ch;
++ }
++
++ struct HeaderComparator
++ {
++ bool operator ()(const std::string &lhs, const std::string &rhs) const;
++ };
++ using ExternalIncludesOrderedSet = std::set<std::string, HeaderComparator>;
++
++ } // namespace utils
++ } // namespace qtprotoccommon
++ #endif // QTPROTOBUFGEN_UTILS_H