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102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
5 years ago
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// Copyright 2019 Roman Perepelitsa.
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//
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// This file is part of GitStatus.
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//
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// GitStatus is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GitStatus is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with GitStatus. If not, see <https://www.gnu.org/licenses/>.
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#ifndef ROMKATV_GITSTATUS_PRINT_H_
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#define ROMKATV_GITSTATUS_PRINT_H_
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#include <sys/stat.h>
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#include <iomanip>
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#include <ostream>
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#include <string>
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#include <type_traits>
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#include <utility>
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#include <vector>
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#include <git2.h>
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#include "string_view.h"
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#include "strings.h"
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namespace gitstatus {
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template <class T>
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struct Printable {
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const T& value;
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};
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template <class T>
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Printable<T> Print(const T& val) {
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return {val};
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}
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template <class T>
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std::ostream& operator<<(std::ostream& strm, const Printable<T>& p) {
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static_assert(!std::is_pointer<std::decay_t<T>>(), "");
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return strm << p.value;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<StringView>& p) {
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Quote(strm, p.value.ptr, p.value.ptr + p.value.len);
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return strm;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<std::string>& p) {
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Quote(strm, p.value.data(), p.value.data() + p.value.size());
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return strm;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<const char*>& p) {
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Quote(strm, p.value, p.value ? p.value + std::strlen(p.value) : nullptr);
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return strm;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<char*>& p) {
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Quote(strm, p.value, p.value ? p.value + std::strlen(p.value) : nullptr);
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return strm;
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}
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template <class T, class U>
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std::ostream& operator<<(std::ostream& strm, const Printable<std::pair<T, U>>& p) {
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return strm << '{' << Print(p.value.first) << ", " << Print(p.value.second) << '}';
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}
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template <class T>
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std::ostream& operator<<(std::ostream& strm, const Printable<std::vector<T>>& p) {
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strm << '[';
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for (size_t i = 0; i != p.value.size(); ++i) {
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if (i) strm << ", ";
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strm << Print(p.value[i]);
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}
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strm << ']';
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return strm;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<struct timespec>& p) {
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strm << p.value.tv_sec << '.' << std::setw(9) << std::setfill('0') << p.value.tv_nsec;
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return strm;
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}
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inline std::ostream& operator<<(std::ostream& strm, const Printable<git_index_time>& p) {
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strm << p.value.seconds << '.' << std::setw(9) << std::setfill('0') << p.value.nanoseconds;
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return strm;
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}
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} // namespace gitstatus
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#endif // ROMKATV_GITSTATUS_PRINT_H_
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