47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
#include "std_string.hpp"
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#include <algorithm>
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#include <locale>
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#include <ranges>
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#include <sstream>
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namespace arrays {
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auto to_uppercase(const std::string &text) -> std::string {
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// Returns copy of the string without mutating the original string
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auto s = std::string{text};
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auto c_to_upper = [](const unsigned char c) { return std::toupper(c); };
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std::ranges::transform(s, s.begin(), c_to_upper);
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return s;
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}
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auto trim(const std::string& text) -> std::string {
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// Returns a trimmed copy of the string
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auto s = std::string{text};
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auto is_not_space = [](const unsigned char c) { return !std::isspace(c); };
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const auto first = std::ranges::find_if(s, is_not_space);
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const auto last = std::ranges::find_if(s.rbegin(), s.rend(), is_not_space).base();
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s.erase(last, s.end());
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s.erase(s.begin(), first);
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return s;
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}
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auto replace_all(const std::string &text, const char from, const char to) -> std::string {
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// This one also copies the string
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auto s = std::string{text};
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std::ranges::replace(s, from, to);
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return s;
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}
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auto starts_with(const std::string& text, const std::string& prefix) -> bool {
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// Since C++20 you can use std::string::starts_with, but anyways.
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if (text.size() < prefix.size()) return false;
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// uz -> unsigned size_t
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for (auto idx = 0uz; idx < prefix.size(); ++idx) {
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if (text[idx] != prefix[idx]) return false;
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}
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return true;
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}
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} // namespace arrays
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