103 lines
1.9 KiB
C++
103 lines
1.9 KiB
C++
#include <std_include.hpp>
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#include "string.hpp"
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#include <sstream>
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#include <cstdarg>
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#include <algorithm>
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namespace utils::string
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{
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const char* va(const char* fmt, ...)
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{
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static thread_local va_provider<8, 256> provider;
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va_list ap;
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va_start(ap, fmt);
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const char* result = provider.get(fmt, ap);
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va_end(ap);
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return result;
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}
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std::vector<std::string> split(const std::string& s, const char delim)
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{
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std::stringstream ss(s);
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std::string item;
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std::vector<std::string> elems;
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while (std::getline(ss, item, delim))
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{
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elems.push_back(std::move(item));
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item = std::string{};
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}
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return elems;
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}
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std::string to_lower(std::string text)
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{
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std::transform(text.begin(), text.end(), text.begin(), [](const unsigned char input)
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{
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return static_cast<char>(tolower(input));
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});
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return text;
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}
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std::string to_upper(std::string text)
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{
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std::transform(text.begin(), text.end(), text.begin(), [](const unsigned char input)
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{
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return static_cast<char>(toupper(input));
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});
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return text;
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}
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bool starts_with(const std::string& text, const std::string& substring)
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{
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return text.find(substring) == 0;
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}
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bool ends_with(const std::string& text, const std::string& substring)
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{
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if (substring.size() > text.size()) return false;
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return std::equal(substring.rbegin(), substring.rend(), text.rbegin());
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}
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std::string dump_hex(const std::string& data, const std::string& separator)
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{
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std::string result;
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for (unsigned int i = 0; i < data.size(); ++i)
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{
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if (i > 0)
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{
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result.append(separator);
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}
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result.append(va("%02X", data[i] & 0xFF));
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}
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return result;
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}
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std::string replace(std::string str, const std::string& from, const std::string& to)
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{
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if (from.empty())
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{
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return str;
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}
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size_t start_pos = 0;
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while ((start_pos = str.find(from, start_pos)) != std::string::npos)
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{
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str.replace(start_pos, from.length(), to);
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start_pos += to.length();
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}
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return str;
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}
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}
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