From 0592d58e5366eac92bc99ef9bdb4368e07c0ddf9 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 4 Aug 2021 20:31:30 +0300
Subject: Add extract_package_name() and extract_package_version()

---
 libbpkg/manifest.hxx | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'libbpkg/manifest.hxx')

diff --git a/libbpkg/manifest.hxx b/libbpkg/manifest.hxx
index b666716..bdb7a9b 100644
--- a/libbpkg/manifest.hxx
+++ b/libbpkg/manifest.hxx
@@ -1568,6 +1568,36 @@ namespace bpkg
                         butl::manifest_name_value start,
                         bool ignore_unknown);
   };
+
+  // Extract the package name component from <name>[/<version>] or
+  // <name><version-constraint>. Throw invalid_argument on parsing error.
+  //
+  // Note: the version and version constraint are not verified.
+  //
+  LIBBPKG_EXPORT package_name
+  extract_package_name (const char*, bool allow_version = true);
+
+  inline package_name
+  extract_package_name (const std::string& s, bool allow_version = true)
+  {
+    return extract_package_name (s.c_str (), allow_version);
+  }
+
+  // Extract the package version component from <name>[/<version>]. Return
+  // empty version if none is specified. Throw invalid_argument on parsing
+  // error and for the earliest and stub versions.
+  //
+  // Note: the package name is not verified.
+  //
+  LIBBPKG_EXPORT version
+  extract_package_version (const char*, bool fold_zero_revision = true);
+
+  inline version
+  extract_package_version (const std::string& s,
+                           bool fold_zero_revision = true)
+  {
+    return extract_package_version (s.c_str (), fold_zero_revision);
+  }
 }
 
 #endif // LIBBPKG_MANIFEST_HXX
-- 
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