subsurface/core/subsurface-string.h

// SPDX-License-Identifier: GPL-2.0
#ifndef SUBSURFACE_STRING_H
#define SUBSURFACE_STRING_H

#include <algorithm>
#include <stdbool.h>
#include <string.h>
#include <time.h>
#include <string>
#include <string_view>
#include <vector>

// string handling

static inline bool same_string(const char *a, const char *b)
{
	return !strcmp(a ?: "", b ?: "");
}

static inline bool same_string_caseinsensitive(const char *a, const char *b)
{
	return !strcasecmp(a ?: "", b ?: "");
}

static inline bool empty_string(const char *s)
{
	return !s || !*s;
}

extern double permissive_strtod(const char *str, const char **ptr);
extern double ascii_strtod(const char *str, const char **ptr);

// Sadly, starts_with only with C++20!
inline bool starts_with(std::string_view s, const char *s2)
{
	return s.rfind(s2, 0) == 0;
}

// Sadly, std::string::contains only with C++23!
inline bool contains(std::string_view s, char c)
{
	return s.find(c) != std::string::npos;
}

inline bool contains(std::string_view haystack, const char *needle)
{
	return haystack.find(needle) != std::string::npos;
}

inline bool contains(std::string_view haystack, const std::string &needle)
{
	return haystack.find(needle) != std::string::npos;
}

std::string join(const std::vector<std::string> &l, const std::string &separator, bool skip_empty = false);

#endif // SUBSURFACE_STRING_H