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Factor out lookupExecutable and other PATH improvments

Browse source 
This ended up motivating a good deal of other infra improvements in
order to get Windows right:

- `OsString` to complement `std::filesystem::path`

- env var code for working with the underlying `OsString`s

- Rename `PATHNG_LITERAL` to `OS_STR`

- `NativePathTrait` renamed to `OsPathTrait`, given a character template
  parameter until #9205 is complete.

Split `tests.cc` matching split of `util.{cc,hh}` last year.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
This commit is contained in:
John Ericson 2024-08-05 12:05:29 -04:00
parent 0836888002
commit 6c861b9c51
32 changed files with 616 additions and 97 deletions
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9
src/libutil/strings.cc
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@ -1,6 +1,8 @@
#include <filesystem>
#include <string>
#include "strings-inline.hh"
#include "os-string.hh"
namespace nix {
@ -8,6 +10,13 @@ template std::list<std::string> tokenizeString(std::string_view s, std::string_v
template std::set<std::string> tokenizeString(std::string_view s, std::string_view separators);
template std::vector<std::string> tokenizeString(std::string_view s, std::string_view separators);
template std::list<std::string> splitString(std::string_view s, std::string_view separators);
template std::set<std::string> splitString(std::string_view s, std::string_view separators);
template std::vector<std::string> splitString(std::string_view s, std::string_view separators);
template std::list<OsString> basicSplitString(
std::basic_string_view<OsString::value_type> s, std::basic_string_view<OsString::value_type> separators);
template std::string concatStringsSep(std::string_view, const std::list<std::string> &);
template std::string concatStringsSep(std::string_view, const std::set<std::string> &);
template std::string concatStringsSep(std::string_view, const std::vector<std::string> &);