mirror of
https://github.com/fish-shell/fish-shell
synced 2024-11-11 23:47:25 +00:00
8f8c4cdd17
The `--null` flag to `read` makes it split incoming lines on NUL instead of newlines. This is intended for processing the output of a command that uses NUL separators (such as `find -print0`). Fixes #1694.
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/** \file wcstringutil.cpp
|
|
|
|
Helper functions for working with wcstring
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "wcstringutil.h"
|
|
|
|
typedef wcstring::size_type size_type;
|
|
|
|
wcstring_range wcstring_tok(wcstring& str, const wcstring &needle, wcstring_range last)
|
|
{
|
|
size_type pos = last.second == wcstring::npos ? wcstring::npos : last.first;
|
|
if (pos != wcstring::npos && last.second != wcstring::npos) pos += last.second;
|
|
if (pos != wcstring::npos && pos != 0) ++pos;
|
|
if (pos == wcstring::npos || pos >= str.size())
|
|
{
|
|
return std::make_pair(wcstring::npos, wcstring::npos);
|
|
}
|
|
|
|
if (needle.empty())
|
|
{
|
|
return std::make_pair(pos, wcstring::npos);
|
|
}
|
|
|
|
pos = str.find_first_not_of(needle, pos);
|
|
if (pos == wcstring::npos) return std::make_pair(wcstring::npos, wcstring::npos);
|
|
|
|
size_type next_pos = str.find_first_of(needle, pos);
|
|
if (next_pos == wcstring::npos)
|
|
{
|
|
return std::make_pair(pos, wcstring::npos);
|
|
}
|
|
else
|
|
{
|
|
str[next_pos] = L'\0';
|
|
return std::make_pair(pos, next_pos - pos);
|
|
}
|
|
}
|