mirror of
https://github.com/NixOS/nix
synced 2025-07-04 23:51:47 +02:00
8433027e35
At this point many features are stripped out, but this works:
- Can run libnix{util,store,expr} unit tests
- Can run some Nix commands
Co-Authored-By volth <volth@volth.com>
Co-Authored-By Brian McKenna <brian@brianmckenna.org>
42 lines
994 B
C++
42 lines
994 B
C++
#pragma once
|
|
///@file
|
|
|
|
#include "types.hh"
|
|
|
|
namespace nix {
|
|
/**
|
|
* Determine whether ANSI escape sequences are appropriate for the
|
|
* present output.
|
|
*/
|
|
bool isTTY();
|
|
|
|
/**
|
|
* Truncate a string to 'width' printable characters. If 'filterAll'
|
|
* is true, all ANSI escape sequences are filtered out. Otherwise,
|
|
* some escape sequences (such as colour setting) are copied but not
|
|
* included in the character count. Also, tabs are expanded to
|
|
* spaces.
|
|
*/
|
|
std::string filterANSIEscapes(std::string_view s,
|
|
bool filterAll = false,
|
|
unsigned int width = std::numeric_limits<unsigned int>::max());
|
|
|
|
#ifndef _WIN32
|
|
|
|
/**
|
|
* Recalculate the window size, updating a global variable. Used in the
|
|
* `SIGWINCH` signal handler.
|
|
*/
|
|
void updateWindowSize();
|
|
|
|
#endif
|
|
|
|
/**
|
|
* @return the number of rows and columns of the terminal.
|
|
*
|
|
* The value is cached so this is quick. The cached result is computed
|
|
* by `updateWindowSize()`.
|
|
*/
|
|
std::pair<unsigned short, unsigned short> getWindowSize();
|
|
|
|
}
|