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56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#include "webcc/string.h"
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#include <random>
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namespace webcc {
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// Ref: https://stackoverflow.com/a/24586587
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std::string random_string(std::size_t length) {
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static const char chrs[] =
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"0123456789"
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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thread_local static std::mt19937 rg{ std::random_device{}() };
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thread_local static std::uniform_int_distribution<std::string::size_type>
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pick(0, sizeof(chrs) - 2);
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std::string s;
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s.reserve(length);
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while (length--) {
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s += chrs[pick(rg)];
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}
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return s;
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}
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bool to_size_t(const std::string& str, int base, std::size_t* size) {
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try {
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*size = static_cast<std::size_t>(std::stoul(str, 0, base));
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} catch (const std::exception&) {
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return false;
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}
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return true;
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}
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bool split_kv(std::string& key, std::string& value, const std::string& str,
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char delim, bool trim_spaces) {
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std::size_t pos = str.find(delim);
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if (pos == std::string::npos) {
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return false;
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}
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key = str.substr(0, pos);
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value = str.substr(pos + 1);
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if (trim_spaces) {
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trim(key);
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trim(value);
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}
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return true;
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}
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} // namespace webcc
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