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https://github.com/J-D-K/JKSV.git
synced 2026-03-22 01:34:13 -05:00
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
#include "stringutil.hpp"
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#include <algorithm>
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#include <array>
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#include <cstdarg>
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#include <cstring>
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#include <ctime>
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#include <string>
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#include <switch.h>
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namespace
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{
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// Size limit for formatted strings.
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constexpr size_t VA_BUFFER_SIZE = 0x1000;
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// These characters get replaced by spaces when path is sanitized.
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constexpr std::array<uint32_t, 13> FORBIDDEN_PATH_CHARACTERS =
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{L',', L'/', L'\\', L'<', L'>', L':', L'"', L'|', L'?', L'*', L'™', L'©', L'®'};
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} // namespace
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std::string stringutil::get_formatted_string(const char *format, ...)
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{
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std::array<char, VA_BUFFER_SIZE> vaBuffer = {0};
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std::va_list vaList;
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va_start(vaList, format);
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vsnprintf(vaBuffer.data(), VA_BUFFER_SIZE, format, vaList);
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va_end(vaList);
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return std::string(vaBuffer.data());
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}
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void stringutil::replace_in_string(std::string &target, std::string_view find, std::string_view replace)
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{
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const size_t findLength = find.length();
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const size_t replaceLength = replace.length();
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for (size_t i = target.find(find); i != target.npos; i = target.find(find, i + replaceLength))
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{
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target.replace(i, findLength, replace);
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}
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}
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void stringutil::strip_character(char c, std::string &target)
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{
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for (size_t i = target.find_first_of(c); i != target.npos; i = target.find_first_of(c, i))
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{
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target.erase(target.begin() + i);
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}
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}
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bool stringutil::sanitize_string_for_path(const char *stringIn, char *stringOut, size_t stringOutSize)
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{
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uint32_t codepoint{};
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const size_t length = std::char_traits<char>::length(stringIn);
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for (size_t i = 0, offset = 0; i < length;)
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{
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const uint8_t *point = reinterpret_cast<const uint8_t *>(&stringIn[i]);
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const ssize_t count = decode_utf8(&codepoint, point);
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const bool countCheck = count <= 0 || i + count >= stringOutSize;
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const bool codeCheck = codepoint < 0x20 || codepoint > 0x7E;
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if (countCheck) { break; }
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else if (codepoint == L'é') { stringOut[offset++] = 'e'; }
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else if (codeCheck) { return false; }
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const bool forbidden = std::find(FORBIDDEN_PATH_CHARACTERS.begin(), FORBIDDEN_PATH_CHARACTERS.end(), codepoint) !=
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FORBIDDEN_PATH_CHARACTERS.end();
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if (forbidden) { stringOut[offset++] = 0x20; }
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else
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{
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std::memcpy(&stringOut[offset], &stringIn[i], static_cast<size_t>(count));
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offset += count;
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}
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i += count;
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}
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const int outLength = std::char_traits<char>::length(stringOut) - 1;
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for (int i = outLength; i > 0 && (stringOut[i] == ' ' || stringOut[i] == '.'); --i) { stringOut[i] = '\0'; }
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return true;
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}
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std::string stringutil::get_date_string(stringutil::DateFormat format)
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{
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char stringBuffer[0x80] = {0};
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std::time_t timer;
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std::time(&timer);
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std::tm *localTime = std::localtime(&timer);
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switch (format)
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{
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case stringutil::DateFormat::YearMonthDay:
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{
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std::strftime(stringBuffer, 0x80, "%Y-%m-%d_%H-%M-%S", localTime);
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}
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break;
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case stringutil::DateFormat::YearDayMonth:
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{
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std::strftime(stringBuffer, 0x80, "%Y-%d-%m_%H-%M-%S", localTime);
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}
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break;
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}
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return std::string(stringBuffer);
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}
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