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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.
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/** \file wcstringutil.cpp
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Helper functions for working with wcstring
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*/
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#include "config.h"
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#include "wcstringutil.h"
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typedef wcstring::size_type size_type;
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wcstring_range wcstring_tok(wcstring& str, const wcstring &needle, wcstring_range last)
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{
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size_type pos = last.second == wcstring::npos ? wcstring::npos : last.first;
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if (pos != wcstring::npos && last.second != wcstring::npos) pos += last.second;
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if (pos != wcstring::npos && pos != 0) ++pos;
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if (pos == wcstring::npos || pos >= str.size())
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{
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return std::make_pair(wcstring::npos, wcstring::npos);
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}
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if (needle.empty())
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{
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return std::make_pair(pos, wcstring::npos);
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}
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pos = str.find_first_not_of(needle, pos);
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if (pos == wcstring::npos) return std::make_pair(wcstring::npos, wcstring::npos);
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size_type next_pos = str.find_first_of(needle, pos);
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if (next_pos == wcstring::npos)
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{
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return std::make_pair(pos, wcstring::npos);
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}
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else
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{
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str[next_pos] = L'\0';
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return std::make_pair(pos, next_pos - pos);
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}
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}
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