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Diffstat (limited to 'bpkg/satisfaction.hxx')
-rw-r--r-- | bpkg/satisfaction.hxx | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/bpkg/satisfaction.hxx b/bpkg/satisfaction.hxx new file mode 100644 index 0000000..8def6a1 --- /dev/null +++ b/bpkg/satisfaction.hxx @@ -0,0 +1,50 @@ +// file : bpkg/satisfaction.hxx -*- C++ -*- +// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#ifndef BPKG_SATISFACTION_HXX +#define BPKG_SATISFACTION_HXX + +#include <bpkg/types.hxx> +#include <bpkg/utility.hxx> + +#include <bpkg/package.hxx> +#include <bpkg/common-options.hxx> + +namespace bpkg +{ + // Return true if version satisfies the constraint. + // + bool + satisfies (const version&, const dependency_constraint&); + + inline bool + satisfies (const version& v, const optional<dependency_constraint>& c) + { + return !c || satisfies (v, *c); + } + + // Return true if any version that satisfies l also satisfies r, or, in + // other words, l is stricter than or equal to r. Or, in yet other words, + // l is a subset of r. + // + bool + satisfies (const dependency_constraint& l, const dependency_constraint& r); + + inline bool + satisfies (const optional<dependency_constraint>& l, + const optional<dependency_constraint>& r) + { + return l ? (!r || satisfies (*l, *r)) : !r; + } + + // Special build-time dependencies. + // + void + satisfy_build2 (const common_options&, const string& pkg, const dependency&); + + void + satisfy_bpkg (const common_options&, const string& pkg, const dependency&); +} + +#endif // BPKG_SATISFACTION_HXX |