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-rw-r--r--butl/triplet.cxx135
1 files changed, 0 insertions, 135 deletions
diff --git a/butl/triplet.cxx b/butl/triplet.cxx
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--- a/butl/triplet.cxx
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-// file : butl/triplet.cxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license : MIT; see accompanying LICENSE file
-
-#include <butl/triplet>
-
-#include <stdexcept> // invalid_argument
-
-using namespace std;
-
-namespace butl
-{
- triplet::
- triplet (const string& s, string* c)
- {
- auto bad = [](const char* m) {throw invalid_argument (m);};
-
- // Find the first and the last components. The first is CPU and the last is
- // (part of) SYSTEM, that we know for sure.
- //
- string::size_type f (s.find ('-')), l (s.rfind ('-'));
-
- if (f == 0 || f == string::npos)
- bad ("missing cpu");
-
- cpu.assign (s, 0, f);
-
- if (c != nullptr)
- *c = cpu;
-
- // If we have something in between, then the first component after CPU is
- // VENDOR. Unless it is a first component of two-component system, as in
- // i686-linux-gnu.
- //
- if (f != l)
- {
- // [f, p) is VENDOR.
- //
- string::size_type p (s.find ('-', ++f)), n (p - f);
-
- if (n == 0)
- bad ("empty vendor");
-
- // Do we have all four components? If so, then we don't need to do any
- // special recognition of two-component systems.
- //
- if (l != p)
- {
- l = s.rfind ('-', --l);
-
- if (l != p)
- bad ("too many components");
-
- // Handle the none-* case here.
- //
- if (s.compare (l + 1, 5, "none-") == 0)
- l += 5;
- }
- else
- {
- // See if this is one of the well-known non-vendors.
- //
- if (s.compare (f, n, "linux") == 0 ||
- s.compare (f, n, "kfreebsd") == 0)
- {
- l = f - 1;
- n = 0; // No VENDOR.
- }
- }
-
- // Handle special VENDOR values.
- //
- if (n != 0)
- {
- if (s.compare (f, n, "pc") != 0 &&
- s.compare (f, n, "none") != 0 &&
- s.compare (f, n, "unknown") != 0)
- {
- vendor.assign (s, f, n);
-
- if (c != nullptr)
- {
- *c += '-';
- *c += vendor;
- }
- }
- }
- }
-
- // (l, npos) is SYSTEM
- //
- system.assign (s, ++l, string::npos);
-
- if (system.empty ())
- bad ("missing os/kernel/abi");
-
- if (system.front () == '-' || system.back () == '-')
- bad ("invalid os/kernel/abi");
-
- if (c != nullptr)
- {
- *c += '-';
- *c += system;
- }
-
- // Extract VERSION for some recognized systems.
- //
- string::size_type v (0);
- if (system.compare (0, (v = 6), "darwin") == 0 ||
- system.compare (0, (v = 7), "freebsd") == 0 ||
- system.compare (0, (v = 7), "openbsd") == 0 ||
- system.compare (0, (v = 6), "netbsd") == 0 ||
- system.compare (0, (v = 7), "solaris") == 0 ||
- system.compare (0, (v = 3), "aix") == 0 ||
- system.compare (0, (v = 4), "hpux") == 0 ||
- system.compare (0, (v = 10), "win32-msvc") == 0)
- {
- version.assign (system, v, string::npos);
- system.resize (system.size () - version.size ());
- }
-
- // Determine class for some recognized systems.
- //
- if (system.compare (0, 5, "linux") == 0)
- class_ = "linux";
- else if (vendor == "apple" && system == "darwin")
- class_ = "macosx";
- else if (system == "freebsd" || system == "openbsd" || system == "netbsd")
- class_ = "bsd";
- else if (system.compare (0, 5, "win32") == 0 || system == "mingw32")
- class_ = "windows";
- else
- class_ = "other";
- }
-}