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use string_view in common helpers

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This commit is contained in:
otavepto 2024-04-14 14:40:49 +02:00
parent 4860e2c079
commit 9221465e57
2 changed files with 77 additions and 88 deletions
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110
helpers/common_helpers.cpp
View File

@ -19,19 +19,19 @@ static bool create_dir_impl(std::filesystem::path &dirpath)
return std::filesystem::create_directories(dirpath);
}
bool common_helpers::create_dir(const std::string &filepath)
bool common_helpers::create_dir(const std::string_view &filepath)
{
std::filesystem::path parent = std::filesystem::path(filepath).parent_path();
std::filesystem::path parent(std::filesystem::path(filepath).parent_path());
return create_dir_impl(parent);
}
bool common_helpers::create_dir(const std::wstring &filepath)
bool common_helpers::create_dir(const std::wstring_view &filepath)
{
std::filesystem::path parent = std::filesystem::path(filepath).parent_path();
std::filesystem::path parent(std::filesystem::path(filepath).parent_path());
return create_dir_impl(parent);
}
void common_helpers::write(std::ofstream &file, const std::string &data)
void common_helpers::write(std::ofstream &file, const std::string_view &data)
{
if (!file.is_open()) {
return;
@ -40,7 +40,7 @@ void common_helpers::write(std::ofstream &file, const std::string &data)
file << data << std::endl;
}
std::wstring common_helpers::str_to_w(const std::string &str)
std::wstring common_helpers::str_to_w(const std::string_view &str)
{
if (str.empty()) return std::wstring();
auto cvt_state = std::mbstate_t();
@ -51,7 +51,7 @@ std::wstring common_helpers::str_to_w(const std::string &str)
return res.substr(0, conversion_bytes);
}
std::string common_helpers::wstr_to_a(const std::wstring &wstr)
std::string common_helpers::wstr_to_a(const std::wstring_view &wstr)
{
if (wstr.empty()) return std::string();
auto cvt_state = std::mbstate_t();
@ -62,53 +62,45 @@ std::string common_helpers::wstr_to_a(const std::wstring &wstr)
return res.substr(0, conversion_bytes);
}
bool common_helpers::starts_with_i(const std::string &target, const std::string &query)
{
return starts_with_i(str_to_w(target), str_to_w(query));
}
bool common_helpers::starts_with_i(const std::wstring &target, const std::wstring &query)
bool common_helpers::starts_with_i(const std::string_view &target, const std::string_view &query)
{
if (target.size() < query.size()) {
return false;
}
auto _target = std::wstring(target);
auto _query = std::wstring(query);
std::transform(_target.begin(), _target.end(), _target.begin(),
[](wchar_t c) { return std::tolower(c); });
std::transform(_query.begin(), _query.end(), _query.begin(),
[](wchar_t c) { return std::tolower(c); });
return _target.compare(0, _query.length(), _query) == 0;
return str_cmp_insensitive(target.substr(0, query.size()), query);
}
bool common_helpers::ends_with_i(const std::string &target, const std::string &query)
{
return ends_with_i(str_to_w(target), str_to_w(query));
}
bool common_helpers::ends_with_i(const std::wstring &target, const std::wstring &query)
bool common_helpers::starts_with_i(const std::wstring_view &target, const std::wstring_view &query)
{
if (target.size() < query.size()) {
return false;
}
auto _target = std::wstring(target);
auto _query = std::wstring(query);
std::transform(_target.begin(), _target.end(), _target.begin(),
[](wchar_t c) { return std::tolower(c); });
std::transform(_query.begin(), _query.end(), _query.begin(),
[](wchar_t c) { return std::tolower(c); });
return _target.compare(_target.length() - _query.length(), _query.length(), _query) == 0;
return str_cmp_insensitive(target.substr(0, query.size()), query);
}
std::string common_helpers::string_strip(const std::string& str)
bool common_helpers::ends_with_i(const std::string_view &target, const std::string_view &query)
{
if (target.size() < query.size()) {
return false;
}
const auto target_offset = target.length() - query.length();
return str_cmp_insensitive(target.substr(target_offset), query);
}
bool common_helpers::ends_with_i(const std::wstring_view &target, const std::wstring_view &query)
{
if (target.size() < query.size()) {
return false;
}
const auto target_offset = target.length() - query.length();
return str_cmp_insensitive(target.substr(target_offset), query);
}
std::string common_helpers::string_strip(const std::string_view &str)
{
static constexpr const char whitespaces[] = " \t\r\n";
@ -124,18 +116,17 @@ std::string common_helpers::string_strip(const std::string& str)
}
}
return str.substr(start, end - start + 1);
return std::string(str.substr(start, end - start + 1));
}
std::string common_helpers::uint8_vector_to_hex_string(const std::vector<uint8_t>& v)
std::string common_helpers::uint8_vector_to_hex_string(const std::vector<uint8_t> &v)
{
std::string result{};
result.reserve(v.size() * 2); // two digits per character
static constexpr const char hex[] = "0123456789ABCDEF";
for (uint8_t c : v)
{
for (uint8_t c : v) {
result.push_back(hex[c / 16]);
result.push_back(hex[c % 16]);
}
@ -143,7 +134,7 @@ std::string common_helpers::uint8_vector_to_hex_string(const std::vector<uint8_t
return result;
}
bool common_helpers::str_cmp_insensitive(const std::string &str1, const std::string &str2)
bool common_helpers::str_cmp_insensitive(const std::string_view &str1, const std::string_view &str2)
{
if (str1.size() != str2.size()) return false;
@ -152,6 +143,15 @@ bool common_helpers::str_cmp_insensitive(const std::string &str1, const std::str
});
}
bool common_helpers::str_cmp_insensitive(const std::wstring_view &str1, const std::wstring_view &str2)
{
if (str1.size() != str2.size()) return false;
return std::equal(str1.begin(), str1.end(), str2.begin(), [](const wchar_t c1, const wchar_t c2){
return std::toupper(c1) == std::toupper(c2);
});
}
std::string common_helpers::ascii_to_lowercase(std::string data) {
std::transform(data.begin(), data.end(), data.begin(),
[](char c){ return std::tolower(c); });
@ -182,28 +182,28 @@ void common_helpers::consume_bom(std::ifstream &input)
}
}
std::string common_helpers::to_lower(std::string str)
std::string common_helpers::to_lower(const std::string_view &str)
{
std::string _str(str.size(), '\0');
std::transform(str.begin(), str.end(), _str.begin(), [](char c) { return std::tolower(c); });
return _str;
}
std::wstring common_helpers::to_lower(std::wstring wstr)
std::wstring common_helpers::to_lower(const std::wstring_view &wstr)
{
std::wstring _wstr(wstr.size(), '\0');
std::transform(wstr.begin(), wstr.end(), _wstr.begin(), [](wchar_t c) { return std::tolower(c); });
return _wstr;
}
std::string common_helpers::to_upper(std::string str)
std::string common_helpers::to_upper(const std::string_view &str)
{
std::string _str(str.size(), '\0');
std::transform(str.begin(), str.end(), _str.begin(), [](char c) { return std::toupper(c); });
return _str;
}
std::wstring common_helpers::to_upper(std::wstring wstr)
std::wstring common_helpers::to_upper(const std::wstring_view &wstr)
{
std::wstring _wstr(wstr.size(), '\0');
std::transform(wstr.begin(), wstr.end(), _wstr.begin(), [](wchar_t c) { return std::toupper(c); });
@ -219,9 +219,9 @@ static std::filesystem::path to_absolute_impl(const std::filesystem::path &path,
return std::filesystem::absolute(base / path);
}
std::string common_helpers::to_absolute(const std::string &path, const std::string &base)
std::string common_helpers::to_absolute(const std::string_view &path, const std::string_view &base)
{
if (path.empty()) return path;
if (path.empty()) return std::string(path);
auto path_abs = to_absolute_impl(
std::filesystem::path(path),
base.empty() ? std::filesystem::current_path() : std::filesystem::path(base)
@ -229,9 +229,9 @@ std::string common_helpers::to_absolute(const std::string &path, const std::stri
return path_abs.u8string();
}
std::wstring common_helpers::to_absolute(const std::wstring &path, const std::wstring &base)
std::wstring common_helpers::to_absolute(const std::wstring_view &path, const std::wstring_view &base)
{
if (path.empty()) return path;
if (path.empty()) return std::wstring(path);
auto path_abs = to_absolute_impl(
std::filesystem::path(path),
base.empty() ? std::filesystem::current_path() : std::filesystem::path(base)
@ -294,14 +294,14 @@ bool common_helpers::dir_exist(const std::filesystem::path &dirpath)
return false;
}
bool common_helpers::dir_exist(const std::string &dirpath)
bool common_helpers::dir_exist(const std::string_view &dirpath)
{
if (dirpath.empty()) return false;
std::filesystem::path path(dirpath);
return dir_exist(path);
}
bool common_helpers::dir_exist(const std::wstring &dirpath)
bool common_helpers::dir_exist(const std::wstring_view &dirpath)
{
if (dirpath.empty()) return false;
std::filesystem::path path(dirpath);

55
helpers/common_helpers/common_helpers.hpp
View File

@ -2,6 +2,7 @@
#include <cstdlib>
#include <string>
#include <string_view>
#include <fstream>
#include <filesystem>
#include <chrono>
@ -9,29 +10,26 @@
namespace common_helpers {
bool create_dir(const std::string &dir);
bool create_dir(const std::string_view &dir);
bool create_dir(const std::wstring_view &dir);
bool create_dir(const std::wstring &dir);
void write(std::ofstream &file, const std::string_view &data);
void write(std::ofstream &file, const std::string &data);
std::wstring str_to_w(const std::string_view &str);
std::string wstr_to_a(const std::wstring_view &wstr);
std::wstring str_to_w(const std::string &str);
bool starts_with_i(const std::string_view &target, const std::string_view &query);
bool starts_with_i(const std::wstring_view &target, const std::wstring_view &query);
std::string wstr_to_a(const std::wstring &wstr);
bool ends_with_i(const std::string_view &target, const std::string_view &query);
bool ends_with_i(const std::wstring_view &target, const std::wstring_view &query);
bool starts_with_i(const std::string &target, const std::string &query);
std::string string_strip(const std::string_view &str);
bool starts_with_i(const std::wstring &target, const std::wstring &query);
std::string uint8_vector_to_hex_string(const std::vector<uint8_t> &v);
bool ends_with_i(const std::string &target, const std::string &query);
bool ends_with_i(const std::wstring &target, const std::wstring &query);
std::string string_strip(const std::string& str);
std::string uint8_vector_to_hex_string(const std::vector<uint8_t>& v);
bool str_cmp_insensitive(const std::string &str1, const std::string &str2);
bool str_cmp_insensitive(const std::string_view &str1, const std::string_view &str2);
bool str_cmp_insensitive(const std::wstring_view &str1, const std::wstring_view &str2);
std::string ascii_to_lowercase(std::string data);
@ -39,34 +37,25 @@ void thisThreadYieldFor(std::chrono::microseconds u);
void consume_bom(std::ifstream &input);
std::string to_lower(std::string str);
std::string to_lower(const std::string_view &str);
std::wstring to_lower(const std::wstring_view &wstr);
std::wstring to_lower(std::wstring wstr);
std::string to_upper(const std::string_view &str);
std::wstring to_upper(const std::wstring_view &wstr);
std::string to_upper(std::string str);
std::wstring to_upper(std::wstring wstr);
std::string to_absolute(const std::string &path, const std::string &base = std::string());
std::wstring to_absolute(const std::wstring &path, const std::wstring &base = std::wstring());
std::string to_absolute(const std::string_view &path, const std::string_view &base = std::string_view());
std::wstring to_absolute(const std::wstring_view &path, const std::wstring_view &base = std::wstring_view());
bool file_exist(const std::filesystem::path &filepath);
bool file_exist(const std::string &filepath);
bool file_exist(const std::wstring &filepath);
bool file_size(const std::filesystem::path &filepath, size_t &size);
bool file_size(const std::string &filepath, size_t &size);
bool file_size(const std::wstring &filepath, size_t &size);
bool dir_exist(const std::filesystem::path &dirpath);
bool dir_exist(const std::string &dirpath);
bool dir_exist(const std::wstring &dirpath);
bool dir_exist(const std::string_view &dirpath);
bool dir_exist(const std::wstring_view &dirpath);
}