116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
#include "StringHelpers.hpp"
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#include <fstream>
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#include <algorithm>
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#include <regex>
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#include <SDL3/SDL_iostream.h>
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std::vector<std::string> split_string_by_token(std::string str, std::string token) {
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// slightly modified from: https://stackoverflow.com/a/46943631
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std::vector<std::string> toRet;
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while(!str.empty()) {
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size_t index = str.find(token);
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if(index != std::string::npos) {
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toRet.emplace_back(str.substr(0, index));
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str = str.substr(index + token.size());
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if(str.empty())
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toRet.emplace_back(str);
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}
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else {
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toRet.emplace_back(str);
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return toRet;
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}
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}
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return toRet;
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}
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uint8_t ascii_hex_char_to_number_no_checks(char asciiHex) {
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if(asciiHex <= '9')
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return static_cast<uint8_t>(asciiHex - '0');
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else
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return static_cast<uint8_t>(asciiHex - 'A');
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}
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std::string byte_vector_to_hex_str(const std::vector<uint8_t>& byteVec) {
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static constexpr char charList[] = "0123456789ABCDEF";
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std::string ret;
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ret.reserve(byteVec.size() * 2);
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for(uint8_t b : byteVec) {
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ret.push_back(charList[b >> 4]);
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ret.push_back(charList[b & 0x0F]);
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}
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return ret;
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}
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std::string read_file_to_string(const std::filesystem::path& filePath) {
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// Could also use SDL_LoadFile, but that allocates into a void* and involves a copy into std::string
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std::string toRet;
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SDL_IOStream* file = SDL_IOFromFile(filePath.string().c_str(), "rb");
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if(!file)
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throw std::runtime_error("[read_file_to_string] Could not open file " + filePath.string());
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Sint64 fileSize = SDL_GetIOSize(file);
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if(fileSize < 0)
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throw std::runtime_error("[read_file_to_string] tellg failed for file " + filePath.string());
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toRet.resize(fileSize);
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SDL_ReadIO(file, toRet.data(), fileSize);
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SDL_CloseIO(file);
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return toRet;
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}
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bool is_valid_http_url(const std::string& str) {
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if(str.empty())
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return false;
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// Regex to check valid URL (from https://stackoverflow.com/a/3809435)
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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");
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return std::regex_match(str, pattern);
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}
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std::string remove_carriage_returns_from_str(std::string s) {
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std::erase(s, '\r');
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return s;
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}
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std::string ensure_string_unique(const std::vector<std::string>& stringList, std::string str) {
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for(;;) {
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bool isUnique = true;
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for(const std::string& strToCheckAgainst : stringList) {
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if(strToCheckAgainst == str) {
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size_t leftParenthesisIndex = str.find_last_of('(');
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size_t rightParenthesisIndex = str.find_last_of(')');
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bool failToIncrement = true;
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if(leftParenthesisIndex != std::string::npos && rightParenthesisIndex != std::string::npos && leftParenthesisIndex < rightParenthesisIndex) {
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std::string numStr = str.substr(leftParenthesisIndex + 1, rightParenthesisIndex - leftParenthesisIndex - 1);
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bool isAllDigits = true;
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for(char c : numStr) {
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if(!isdigit(c)) {
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isAllDigits = false;
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break;
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}
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}
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if(isAllDigits) {
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try {
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int s = std::stoi(numStr);
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s++;
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str = str.substr(0, leftParenthesisIndex);
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str += "(" + std::to_string(s) + ")";
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failToIncrement = false;
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}
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catch(...) {}
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}
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}
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if(failToIncrement)
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str += " (2)";
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isUnique = false;
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break;
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}
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}
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if(isUnique)
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break;
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}
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return str;
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}
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