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Add CanonPath::makeRelative()

This commit is contained in:
Eelco Dolstra 2023-03-30 15:48:39 +02:00
parent 1829e7ccac
commit 7ebaf0252a
3 changed files with 44 additions and 0 deletions

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@ -85,6 +85,9 @@ public:
bool operator != (const Iterator & x) const
{ return remaining.data() != x.remaining.data(); }
bool operator == (const Iterator & x) const
{ return !(*this != x); }
const std::string_view operator * () const
{ return remaining.substr(0, slash); }
@ -166,6 +169,10 @@ public:
the `allowed` paths are within `this`. (The latter condition
ensures access to the parents of allowed paths.) */
bool isAllowed(const std::set<CanonPath> & allowed) const;
/* Return a representation `x` of `path` relative to `this`, i.e.
`CanonPath(this.makeRelative(x), this) == path`. */
std::string makeRelative(const CanonPath & path) const;
};
std::ostream & operator << (std::ostream & stream, const CanonPath & path);