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-rw-r--r--build/context.cxx153
1 files changed, 153 insertions, 0 deletions
diff --git a/build/context.cxx b/build/context.cxx
index 5a801b0..a20a7e2 100644
--- a/build/context.cxx
+++ b/build/context.cxx
@@ -5,6 +5,7 @@
#include <build/context>
#include <ostream>
+#include <sstream>
#include <cassert>
#include <system_error>
@@ -226,5 +227,157 @@ namespace build
return out_root / s.leaf (src_root);
}
+ // relative()
+ //
const dir_path* relative_base = &work;
+
+ string
+ diag_relative (const path& p)
+ {
+ const path& b (*relative_base);
+
+ if (p.absolute ())
+ {
+ if (p == b)
+ return ".";
+
+#ifndef _WIN32
+ if (p == home)
+ return "~";
+#endif
+
+ path rb (relative (p));
+
+#ifndef _WIN32
+ if (rb.relative ())
+ {
+ // See if the original path with the ~/ shortcut is better
+ // that the relative to base.
+ //
+ if (p.sub (home))
+ {
+ path rh (p.leaf (home));
+ if (rb.string ().size () > rh.string ().size () + 2) // 2 for '~/'
+ return "~/" + rh.string ();
+ }
+ }
+ else if (rb.sub (home))
+ return "~/" + rb.leaf (home).string ();
+#endif
+
+ return rb.string ();
+ }
+
+ return p.string ();
+ }
+
+ string
+ diag_relative (const dir_path& d, bool cur)
+ {
+ string r (diag_relative (static_cast<const path&> (d)));
+
+ // Translate "." to empty.
+ //
+ if (!cur && d.absolute () && r == ".")
+ r.clear ();
+
+ // Add trailing '/'.
+ //
+ if (!r.empty () && !dir_path::traits::is_separator (r.back ()))
+ r += '/';
+
+ return r;
+ }
+
+ // diag_do(), etc.
+ //
+ string
+ diag_do (const action&, const target& t)
+ {
+ const meta_operation_info& m (*current_mif);
+ const operation_info& io (*current_inner_oif);
+ const operation_info* oo (current_outer_oif);
+
+ ostringstream os;
+
+ // perform(update(x)) -> "update x"
+ // configure(update(x)) -> "configure updating x"
+ //
+ if (m.name_do.empty ())
+ os << io.name_do << ' ';
+ else
+ {
+ os << m.name_do << ' ';
+
+ if (!io.name_doing.empty ())
+ os << io.name_doing << ' ';
+ }
+
+ if (oo != nullptr)
+ os << "(for " << oo->name << ") ";
+
+ os << t;
+ return os.str ();
+ }
+
+ string
+ diag_doing (const action&, const target& t)
+ {
+ const meta_operation_info& m (*current_mif);
+ const operation_info& io (*current_inner_oif);
+ const operation_info* oo (current_outer_oif);
+
+ ostringstream os;
+
+ // perform(update(x)) -> "updating x"
+ // configure(update(x)) -> "configuring updating x"
+ //
+ if (!m.name_doing.empty ())
+ os << m.name_doing << ' ';
+
+ if (!io.name_doing.empty ())
+ os << io.name_doing << ' ';
+
+ if (oo != nullptr)
+ os << "(for " << oo->name << ") ";
+
+ os << t;
+ return os.str ();
+ }
+
+ string
+ diag_done (const action&, const target& t)
+ {
+ const meta_operation_info& m (*current_mif);
+ const operation_info& io (*current_inner_oif);
+ const operation_info* oo (current_outer_oif);
+
+ ostringstream os;
+
+ // perform(update(x)) -> "x is up to date"
+ // configure(update(x)) -> "updating x is configured"
+ //
+ if (m.name_done.empty ())
+ {
+ os << t;
+
+ if (!io.name_done.empty ())
+ os << " " << io.name_done;
+
+ if (oo != nullptr)
+ os << "(for " << oo->name << ") ";
+ }
+ else
+ {
+ if (!io.name_doing.empty ())
+ os << io.name_doing << ' ';
+
+ if (oo != nullptr)
+ os << "(for " << oo->name << ") ";
+
+ os << t << " " << m.name_done;
+ }
+
+ return os.str ();
+ }
}