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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmStringAlgorithms.h"
#include <algorithm>
#include <cstdio>
namespace {
template <std::size_t N, typename T>
inline void MakeDigits(cm::string_view& view, char (&digits)[N],
const char* pattern, T value)
{
int res = std::snprintf(digits, N, pattern, value);
if (res > 0 && res < static_cast<int>(N)) {
view = cm::string_view(digits, static_cast<std::size_t>(res));
}
}
} // unnamed namespace
cmAlphaNum::cmAlphaNum(int val)
{
MakeDigits(View_, Digits_, "%i", val);
}
cmAlphaNum::cmAlphaNum(unsigned int val)
{
MakeDigits(View_, Digits_, "%u", val);
}
cmAlphaNum::cmAlphaNum(long int val)
{
MakeDigits(View_, Digits_, "%li", val);
}
cmAlphaNum::cmAlphaNum(unsigned long int val)
{
MakeDigits(View_, Digits_, "%lu", val);
}
cmAlphaNum::cmAlphaNum(long long int val)
{
MakeDigits(View_, Digits_, "%lli", val);
}
cmAlphaNum::cmAlphaNum(unsigned long long int val)
{
MakeDigits(View_, Digits_, "%llu", val);
}
cmAlphaNum::cmAlphaNum(float val)
{
MakeDigits(View_, Digits_, "%g", static_cast<double>(val));
}
cmAlphaNum::cmAlphaNum(double val)
{
MakeDigits(View_, Digits_, "%g", val);
}
std::string cmCatViews(std::initializer_list<cm::string_view> views)
{
std::size_t total_size = 0;
for (cm::string_view const& view : views) {
total_size += view.size();
}
std::string result(total_size, '\0');
std::string::iterator sit = result.begin();
for (cm::string_view const& view : views) {
sit = std::copy_n(view.data(), view.size(), sit);
}
return result;
}
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