From 63e7a4a77cb8ceed7b42561fe3202b0b48d86db6 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Thu, 18 Jun 2015 14:41:45 +0200 Subject: Move path and filesystem from build2 to libbutl --- build/path.txx | 256 --------------------------------------------------------- 1 file changed, 256 deletions(-) delete mode 100644 build/path.txx (limited to 'build/path.txx') diff --git a/build/path.txx b/build/path.txx deleted file mode 100644 index c664eaf..0000000 --- a/build/path.txx +++ /dev/null @@ -1,256 +0,0 @@ -// file : build/path.txx -*- C++ -*- -// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -#include - -namespace build -{ - template - basic_path basic_path:: - leaf () const - { - size_type p (traits::rfind_separator (this->path_)); - - return p != string_type::npos - ? basic_path (this->path_.c_str () + p + 1, this->path_.size () - p - 1) - : *this; - } - - template - typename basic_path::dir_type basic_path:: - directory () const - { - if (root ()) - return dir_type (); - - size_type p (traits::rfind_separator (this->path_)); - - // Include the trailing slash so that we get correct behavior - // if directory is root. - // - return p != string_type::npos - ? dir_type (this->path_.c_str (), p + 1) - : dir_type (); - } - -#ifdef _WIN32 - template - typename basic_path::string_type basic_path:: - posix_string () const - { - if (absolute ()) - throw invalid_basic_path (this->path_); - - string_type r (this->path_); - - // Translate Windows-style separators to the POSIX ones. - // - for (size_type i (0), n (r.size ()); i != n; ++i) - if (r[i] == '\\') - r[i] = '/'; - - return r; - } -#endif - - template - basic_path& basic_path:: - operator/= (basic_path const& r) - { - if (r.absolute () && !this->path_.empty ()) // Allow ('' / '/foo'). - throw invalid_basic_path (r.path_); - - if (this->path_.empty () || r.path_.empty ()) - { - this->path_ += r.path_; - return *this; - } - - if (!traits::is_separator (this->path_[this->path_.size () - 1])) - this->path_ += traits::directory_separator; - - this->path_ += r.path_; - return *this; - } - - template - basic_path basic_path:: - leaf (basic_path const& d) const - { - size_type n (d.path_.size ()); - - if (n == 0) - return *this; - - if (!sub (d)) - throw invalid_basic_path (this->path_); - - size_type m (this->path_.size ()); - - if (n != m -#ifndef _WIN32 - && !d.root () -#endif - ) - n++; // Skip the directory separator (unless it is POSIX root). - - return basic_path (this->path_.c_str () + n, m - n); - } - - template - typename basic_path::dir_type basic_path:: - directory (basic_path const& l) const - { - size_type n (l.path_.size ()); - - if (n == 0) - return dir_type (this->path_); - - if (!sup (l)) - throw invalid_basic_path (this->path_); - - size_type m (this->path_.size ()); - - if (n != m) - n++; // Skip the directory separator. - - return dir_type (this->path_.c_str (), m - n); - } - - template - basic_path basic_path:: - relative (basic_path d) const - { - basic_path r; - - for (;; d = d.directory ()) - { - if (sub (d)) - break; - - r /= basic_path (".."); - - // Roots of the paths do not match. - // - if (d.root ()) - throw invalid_basic_path (this->path_); - } - - return r / leaf (d); - } - - template - basic_path& basic_path:: - normalize () - { - if (empty ()) - return *this; - - bool abs (absolute ()); - - typedef std::vector paths; - paths ps; - - for (size_type b (0), e (traits::find_separator (this->path_)), - n (this->path_.size ());; - e = traits::find_separator (this->path_, b)) - { - string_type s (this->path_, b, e == string_type::npos ? e : e - b); - ps.push_back (s); - - if (e == string_type::npos) - break; - - ++e; - - while (e < n && traits::is_separator (this->path_[e])) - ++e; - - if (e == n) - break; - - b = e; - } - - // First collapse '.' and '..'. - // - paths r; - - for (typename paths::const_iterator i (ps.begin ()), e (ps.end ()); - i != e; ++i) - { - string_type const& s (*i); - size_type n (s.size ()); - - if (n == 1 && s[0] == '.') - continue; - - if (n == 2 && s[0] == '.' && s[1] == '.') - { - // Pop the last directory from r unless it is '..'. - // - if (!r.empty ()) - { - string_type const& s1 (r.back ()); - - if (!(s1.size () == 2 && s1[0] == '.' && s1[1] == '.')) - { - // Cannot go past the root directory. - // - if (abs && r.size () == 1) - throw invalid_basic_path (this->path_); - - r.pop_back (); - continue; - } - } - } - - r.push_back (s); - } - - // Reassemble the path. - // - string_type p; - - for (typename paths::const_iterator i (r.begin ()), e (r.end ()); - i != e;) - { - p += *i; - - if (++i != e) - p += traits::directory_separator; - } - - if (p.empty () && !r.empty ()) - p += traits::directory_separator; // Root directory. - - this->path_.swap (p); - return *this; - } - - template - void basic_path:: - current (basic_path const& p) - { - const string_type& s (p.string ()); - - if (s.empty ()) - throw invalid_basic_path (s); - - traits::current (s); - } - - template - void basic_path:: - init () - { - // Strip trailing slashes except for the case where the single - // slash represents the root directory. - // - size_type n (this->path_.size ()); - for (; n > 1 && traits::is_separator (this->path_[n - 1]); --n) ; - this->path_.resize (n); - } -} -- cgit v1.1