infinipaint/include/Helpers/StringHelpers.cpp
2026-01-18 13:39:49 +03:00

124 lines
4 KiB
C++

#include "StringHelpers.hpp"
#include <fstream>
#include <algorithm>
#include <regex>
std::vector<std::string> split_string_by_token(std::string str, std::string token) {
// slightly modified from: https://stackoverflow.com/a/46943631
std::vector<std::string> toRet;
while(!str.empty()) {
size_t index = str.find(token);
if(index != std::string::npos) {
toRet.emplace_back(str.substr(0, index));
str = str.substr(index + token.size());
if(str.empty())
toRet.emplace_back(str);
}
else {
toRet.emplace_back(str);
return toRet;
}
}
return toRet;
}
uint8_t ascii_hex_char_to_number_no_checks(char asciiHex) {
if(asciiHex <= '9')
return static_cast<uint8_t>(asciiHex - '0');
else
return static_cast<uint8_t>(asciiHex - 'A');
}
std::string byte_vector_to_hex_str(const std::vector<uint8_t>& byteVec) {
static constexpr char charList[] = "0123456789ABCDEF";
std::string ret;
ret.reserve(byteVec.size() * 2);
for(uint8_t b : byteVec) {
ret.push_back(charList[b >> 4]);
ret.push_back(charList[b & 0x0F]);
}
return ret;
}
std::string read_file_to_string(const std::filesystem::path& filePath) {
std::string toRet;
// https://nullptr.org/cpp-read-file-into-string/
std::ifstream file(filePath, std::ios::in | std::ios::binary | std::ios::ate);
if(!file.is_open())
throw std::runtime_error("[read_file_to_string] Could not open file");
size_t resourcesize;
auto tellgResult = file.tellg();
if(tellgResult == -1)
throw std::runtime_error("[read_file_to_string] tellg failed for file");
resourcesize = static_cast<size_t>(tellgResult);
file.seekg(0, std::ios_base::beg);
toRet.resize(resourcesize);
file.read(toRet.data(), resourcesize);
file.close();
return toRet;
}
bool is_valid_http_url(const std::string& str) {
if(str.empty())
return false;
// Regex to check valid URL (from https://stackoverflow.com/a/3809435)
std::regex pattern(R"rawstr(https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*))rawstr");
return std::regex_match(str, pattern);
}
std::string remove_carriage_returns_from_str(std::string s) {
std::erase(s, '\r');
return s;
}
std::string ensure_string_unique(const std::vector<std::string>& stringList, std::string str) {
for(;;) {
bool isUnique = true;
for(const std::string& strToCheckAgainst : stringList) {
if(strToCheckAgainst == str) {
size_t leftParenthesisIndex = str.find_last_of('(');
size_t rightParenthesisIndex = str.find_last_of(')');
bool failToIncrement = true;
if(leftParenthesisIndex != std::string::npos && rightParenthesisIndex != std::string::npos && leftParenthesisIndex < rightParenthesisIndex) {
std::string numStr = str.substr(leftParenthesisIndex + 1, rightParenthesisIndex - leftParenthesisIndex - 1);
bool isAllDigits = true;
for(char c : numStr) {
if(!isdigit(c)) {
isAllDigits = false;
break;
}
}
if(isAllDigits) {
try {
int s = std::stoi(numStr);
s++;
str = str.substr(0, leftParenthesisIndex);
str += "(" + std::to_string(s) + ")";
failToIncrement = false;
}
catch(...) {}
}
}
if(failToIncrement)
str += " (2)";
isUnique = false;
break;
}
}
if(isUnique)
break;
}
return str;
}