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authorBoris Kolpackov <boris@codesynthesis.com>2016-01-05 11:55:15 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2016-01-05 11:55:15 +0200
commit9fb791e9fad6c63fc1dac49f4d05ae63b8a3db9b (patch)
treed60322d4382ca5f97b676c5abe2e39524f35eab4 /build2/target-key
parentf159b1dac68c8714f7ba71ca168e3b695891aad9 (diff)
Rename build directory/namespace to build2
Diffstat (limited to 'build2/target-key')
-rw-r--r--build2/target-key55
1 files changed, 55 insertions, 0 deletions
diff --git a/build2/target-key b/build2/target-key
new file mode 100644
index 0000000..cd8e270
--- /dev/null
+++ b/build2/target-key
@@ -0,0 +1,55 @@
+// file : build2/target-key -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_TARGET_KEY
+#define BUILD2_TARGET_KEY
+
+#include <map>
+#include <string>
+#include <ostream>
+#include <functional> // reference_wrapper
+
+#include <butl/utility> // compare_c_string
+
+#include <build2/types>
+#include <build2/target-type>
+
+namespace build2
+{
+ // Light-weight (by being shallow-pointing) target key.
+ //
+ class target_key
+ {
+ public:
+ mutable const target_type* type;
+ mutable const dir_path* dir;
+ mutable const std::string* name;
+ mutable const std::string* const* ext; // Note: only *ext can be NULL.
+
+ friend bool
+ operator< (const target_key& x, const target_key& y)
+ {
+ const target_type* xt (x.type);
+ const target_type* yt (y.type);
+
+ //@@ TODO: use compare() to compare once.
+
+ // Unspecified and specified extension are assumed equal. The
+ // extension strings are from the pool, so we can just compare
+ // pointers.
+ //
+ return
+ (xt < yt) ||
+ (xt == yt && *x.name < *y.name) ||
+ (xt == yt && *x.name == *y.name && *x.dir < *y.dir) ||
+ (xt == yt && *x.name == *y.name && *x.dir == *y.dir &&
+ *x.ext != nullptr && *y.ext != nullptr && **x.ext < **y.ext);
+ }
+ };
+
+ std::ostream&
+ operator<< (std::ostream&, const target_key&); // Defined in target.cxx
+}
+
+#endif // BUILD2_TARGET_KEY