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Move some functions implementations to cpp.
GitOrigin-RevId: ff0db41e43df5152046160474f9b8cf52474b877
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| // | ||
| // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018 | ||
| // | ||
| // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| // | ||
| #include "td/utils/StringBuilder.h" | ||
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| #include <cstdio> | ||
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| namespace td { | ||
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| // TODO: optimize | ||
| StringBuilder &StringBuilder::operator<<(int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%d", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(unsigned int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%u", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(long int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%ld", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(long unsigned int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%lu", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(long long int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%lld", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(long long unsigned int x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%llu", x); | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(double x) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| auto left = end_ptr_ + reserved_size - current_ptr_; | ||
| int len = std::snprintf(current_ptr_, left, "%lf", x); | ||
| if (unlikely(len >= left)) { | ||
| error_flag_ = true; | ||
| current_ptr_ += left - 1; | ||
| } else { | ||
| current_ptr_ += len; | ||
| } | ||
| return *this; | ||
| } | ||
|
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| StringBuilder &StringBuilder::operator<<(const void *ptr) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| return on_error(); | ||
| } | ||
| current_ptr_ += std::snprintf(current_ptr_, reserved_size, "%p", ptr); | ||
| return *this; | ||
| } | ||
|
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| void StringBuilder::vprintf(const char *fmt, va_list list) { | ||
| if (unlikely(end_ptr_ < current_ptr_)) { | ||
| on_error(); | ||
| return; | ||
| } | ||
|
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| auto left = end_ptr_ + reserved_size - current_ptr_; | ||
| int len = std::vsnprintf(current_ptr_, left, fmt, list); | ||
| if (unlikely(len >= left)) { | ||
| error_flag_ = true; | ||
| current_ptr_ += left - 1; | ||
| } else { | ||
| current_ptr_ += len; | ||
| } | ||
| } | ||
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| void StringBuilder::printf(const char *fmt, ...) { | ||
| va_list list; | ||
| va_start(list, fmt); | ||
| vprintf(fmt, list); | ||
| va_end(list); | ||
| } | ||
|
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| } // namespace td |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // | ||
| // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018 | ||
| // | ||
| // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| // | ||
| #include "td/utils/misc.h" | ||
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| #include <algorithm> | ||
| #include <cstdlib> | ||
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| namespace td { | ||
|
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| char *str_dup(Slice str) { | ||
| char *res = static_cast<char *>(std::malloc(str.size() + 1)); | ||
| if (res == nullptr) { | ||
| return nullptr; | ||
| } | ||
| std::copy(str.begin(), str.end(), res); | ||
| res[str.size()] = '\0'; | ||
| return res; | ||
| } | ||
|
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| string implode(vector<string> v, char delimiter) { | ||
| string result; | ||
| for (auto &str : v) { | ||
| if (!result.empty()) { | ||
| result += delimiter; | ||
| } | ||
| result += str; | ||
| } | ||
| return result; | ||
| } | ||
|
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| string oneline(Slice str) { | ||
| string result; | ||
| result.reserve(str.size()); | ||
| bool after_new_line = true; | ||
| for (auto c : str) { | ||
| if (c != '\n') { | ||
| if (after_new_line) { | ||
| if (c == ' ') { | ||
| continue; | ||
| } | ||
| after_new_line = false; | ||
| } | ||
| result += c; | ||
| } else { | ||
| after_new_line = true; | ||
| result += ' '; | ||
| } | ||
| } | ||
| while (!result.empty() && result.back() == ' ') { | ||
| result.pop_back(); | ||
| } | ||
| return result; | ||
| } | ||
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| double to_double(CSlice str) { | ||
| return std::atof(str.c_str()); | ||
| } | ||
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| } // namespace td |
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