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clang-uml/src/util/util.h
2022-06-18 17:48:57 +02:00

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6.9 KiB
C++

/**
* src/util/util.h
*
* Copyright (c) 2021-2022 Bartek Kryza <bkryza@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <spdlog/sinks/stdout_color_sinks.h>
#include <spdlog/spdlog.h>
#include <algorithm>
#include <filesystem>
#include <string.h>
#include <string>
#include <type_traits>
#include <vector>
namespace clanguml {
namespace util {
std::string ltrim(const std::string &s);
std::string rtrim(const std::string &s);
std::string trim(const std::string &s);
#define __FILENAME__ \
(strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
#define LOG_ERROR(fmt__, ...) \
spdlog::get("console")->error(std::string("[{}:{}] ") + fmt__, \
__FILENAME__, __LINE__, ##__VA_ARGS__)
#define LOG_WARN(fmt__, ...) \
spdlog::get("console")->warn(std::string("[{}:{}] ") + fmt__, \
__FILENAME__, __LINE__, ##__VA_ARGS__)
#define LOG_INFO(fmt__, ...) \
spdlog::get("console")->info(std::string("[{}:{}] ") + fmt__, \
__FILENAME__, __LINE__, ##__VA_ARGS__)
#define LOG_DBG(fmt__, ...) \
spdlog::get("console")->debug(std::string("[{}:{}] ") + fmt__, \
__FILENAME__, __LINE__, ##__VA_ARGS__)
/**
* @brief Setup spdlog logger.
*
* @param verbose Whether the logging should be verbose or not.
*/
void setup_logging(bool verbose);
std::string get_process_output(const std::string &command);
std::string get_env(const std::string &name);
bool is_git_repository();
std::string get_git_branch();
std::string get_git_revision();
std::string get_git_commit();
std::string get_git_toplevel_dir();
/**
* @brief Split a string using delimiter
*
* Basic string split function, because C++ stdlib does not have one.
* In case the string does not contain the delimiter, the original
* string is returned as the only element of the vector.
*
* @param str String to split
* @param delimiter Delimiter string
* @param skip_empty Skip empty toks between delimiters if true
*
* @return Vector of string tokens.
*/
std::vector<std::string> split(
std::string str, std::string_view delimiter, bool skip_empty = true);
std::string join(
const std::vector<std::string> &toks, std::string_view delimiter);
/**
* @brief Remove any qualifiers (e.g. const) from type.
*
* @param s String spelling of the type.
*
* @return Unqualified type spelling.
*/
std::string unqualify(const std::string &s);
/**
* @brief Abbreviate string to max_length, and replace last 3 characters
* with ellipsis.
*
* @param s Input string
* @param max_length Maximum length
* @return Abbreviated string
*/
std::string abbreviate(const std::string &s, const unsigned int max_length);
/**
* @brief Find element alias in Puml note
*
* Finds aliases of the form @A(entity_name) in the Puml notes
* or directives.
* The match, if any, is returned in the result tuple:
* (entity_name, offset, length)
*
* @return True if match was found
*/
bool find_element_alias(
const std::string &input, std::tuple<std::string, size_t, size_t> &result);
/**
* @brief Find and replace in string
*
* Replaces all occurences of pattern with replace_with in input string.
*
* @return True if at least on replacement was made
*/
bool replace_all(
std::string &input, std::string pattern, std::string replace_with);
/**
* @brief Appends a vector to a vector.
*
* @tparam T
* @param l
* @param r
*/
template <typename T> void append(std::vector<T> &l, const std::vector<T> &r)
{
l.insert(l.end(), r.begin(), r.end());
}
/**
* @brief Checks if collection starts with a prefix.
*
* @tparam T e.g. std::vector<std::string>
* @param col Collection to be checked against prefix
* @param prefix Container, which specifies the prefix
* @return true if first prefix.size() elements of col are equal to prefix
*/
template <typename T> bool starts_with(const T &col, const T &prefix)
{
if (prefix.size() > col.size())
return false;
return std::search(col.begin(), col.end(), prefix.begin(), prefix.end()) ==
col.begin();
}
template <>
bool starts_with(
const std::filesystem::path &path, const std::filesystem::path &prefix);
template <> bool starts_with(const std::string &s, const std::string &prefix);
template <typename T>
bool ends_with(const std::vector<T> &col, const std::vector<T> &suffix)
{
if (suffix.size() > col.size())
return false;
return std::vector<std::string>(suffix.rbegin(), suffix.rend()) ==
std::vector<std::string>(col.rbegin(), col.rbegin() + suffix.size());
}
/**
* @brief Removes prefix sequence of elements from the beginning of col.
*
* @tparam T
* @param col
* @param prefix
*/
template <typename T>
void remove_prefix(std::vector<T> &col, const std::vector<T> &prefix)
{
if (!starts_with(col, prefix))
return;
col = std::vector<T>(col.begin() + prefix.size(), col.end());
}
/**
* Returns true if element exists in container.
*
* @tparam T
* @tparam E
* @param container
* @param element
* @return
*/
template <typename T, typename E>
bool contains(const T &container, const E &element)
{
if constexpr (std::is_pointer_v<E>) {
return std::find_if(container.begin(), container.end(),
[&element](const auto &e) { return *e == *element; }) !=
container.end();
}
else if constexpr (std::is_same_v<std::remove_cv_t<T>, std::string>) {
return container.find(element) != std::string::npos;
}
else {
return std::find(container.begin(), container.end(), element) !=
container.end();
}
}
template <typename T, typename F> void for_each(const T &collection, F &&func)
{
std::for_each(std::begin(collection), std::end(collection),
std::forward<decltype(func)>(func));
}
template <typename T, typename C, typename F>
void for_each_if(const T &collection, C &&cond, F &&func)
{
std::for_each(std::begin(collection), std::end(collection),
[cond = std::forward<decltype(cond)>(cond),
func = std::forward<decltype(func)>(func)](const auto &e) {
if (cond(e))
func(e);
});
}
} // namespace util
} // namespace clanguml