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authorKaren Arutyunov <karen@codesynthesis.com>2017-04-27 19:36:58 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2017-04-28 12:08:08 +0300
commit5bb170316ebad036ee5b8b18dee7ce3d09c72df4 (patch)
treeacb30c55637b40e7fb4ff9679cb9187ffa410c68 /butl/standard-version
parentdad361a3415e88475a78d1b2702133629fb6e548 (diff)
Add support for standard version earliest pre-release
Diffstat (limited to 'butl/standard-version')
-rw-r--r--butl/standard-version30
1 files changed, 22 insertions, 8 deletions
diff --git a/butl/standard-version b/butl/standard-version
index c9637d8..0c7b9bc 100644
--- a/butl/standard-version
+++ b/butl/standard-version
@@ -16,17 +16,20 @@
namespace butl
{
- // The build2 "standard version":
+ // The build2 "standard version" (specific and earliest):
//
// [<epoch>~]<maj>.<min>.<patch>[-(a|b).<num>[.<snapsn>[.<snapid>]]][+<rev>]
+ // [<epoch>~]<maj>.<min>.<patch>-
//
struct LIBBUTL_EXPORT standard_version
{
// Invariants:
//
- // 1. (E == 0) == (snapshot_sn == 0 && snapshot_id.empty ())
+ // 1. allow_earliest
+ // ? (E == 1) || (snapshot_sn == 0)
+ // : (E == 0) == (snapshot_sn == 0)
//
- // 2. snapshot_sn != latest_sn || snapshot_id.empty ()
+ // 2. snapshot_sn != latest_sn && snapshot_sn != 0 || snapshot_id.empty ()
//
static const std::uint64_t latest_sn = std::uint64_t (~0);
@@ -58,6 +61,13 @@ namespace butl
bool beta () const noexcept;
bool snapshot () const noexcept {return snapshot_sn != 0;}
+ // Is represented by DDDE being 0001 and snapshot_sn being 0.
+ //
+ // Note that the earliest version is a final alpha pre-release.
+ //
+ bool
+ earliest () const noexcept;
+
int
compare (const standard_version&) const noexcept;
@@ -65,23 +75,27 @@ namespace butl
// recognizable or components are invalid.
//
explicit
- standard_version (const std::string&);
+ standard_version (const std::string&, bool allow_earliest = false);
explicit
- standard_version (std::uint64_t version);
+ standard_version (std::uint64_t version, bool allow_earliest = false);
- standard_version (std::uint64_t version, const std::string& snapshot);
+ standard_version (std::uint64_t version,
+ const std::string& snapshot,
+ bool allow_earliest = false);
standard_version (std::uint16_t epoch,
std::uint64_t version,
const std::string& snapshot,
- std::uint16_t revision);
+ std::uint16_t revision,
+ bool allow_earliest = false);
standard_version (std::uint16_t epoch,
std::uint64_t version,
std::uint64_t snapshot_sn,
std::string snapshot_id,
- std::uint16_t revision);
+ std::uint16_t revision,
+ bool allow_earliest = false);
// Create empty version.
//