obs-localvocal/src/transcription-utils.h

#ifndef TRANSCRIPTION_UTILS_H
#define TRANSCRIPTION_UTILS_H

#include <string>
#include <vector>
#include <chrono>
#include <algorithm>
#include <cctype>

// Fix UTF8 string for Windows
std::string fix_utf8(const std::string &str);

// Remove leading and trailing non-alphabetic characters
std::string remove_leading_trailing_nonalpha(const std::string &str);

// Split a string by a delimiter
std::vector<std::string> split(const std::string &string, char delimiter);

// Get the current timestamp in milliseconds since epoch
inline uint64_t now_ms()
{
	return std::chrono::duration_cast<std::chrono::milliseconds>(
		       std::chrono::system_clock::now().time_since_epoch())
		.count();
}

// Get the current timestamp in nano seconds since epoch
inline uint64_t now_ns()
{
	return std::chrono::duration_cast<std::chrono::nanoseconds>(
		       std::chrono::system_clock::now().time_since_epoch())
		.count();
}

// Split a string into words based on spaces
std::vector<std::string> split_words(const std::string &str_copy);

// trim (strip) string from leading and trailing whitespaces
template<typename StringLike> StringLike trim(const StringLike &str)
{
	StringLike str_copy = str;
	str_copy.erase(str_copy.begin(),
		       std::find_if(str_copy.begin(), str_copy.end(),
				    [](unsigned char ch) { return !std::isspace(ch); }));
	str_copy.erase(std::find_if(str_copy.rbegin(), str_copy.rend(),
				    [](unsigned char ch) { return !std::isspace(ch); })
			       .base(),
		       str_copy.end());
	return str_copy;
}

#endif // TRANSCRIPTION_UTILS_H