blob: 37fa6abd5ddd42b7510594a23e7cb7b1e49c8bef (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// file : build/target-key -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_TARGET_KEY
#define BUILD_TARGET_KEY
#include <map>
#include <string>
#include <ostream>
#include <typeindex>
#include <functional> // reference_wrapper
#include <butl/utility> // compare_c_string
#include <build/types>
#include <build/target-type>
namespace build
{
// 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 std::type_index& xt (x.type->id);
const std::type_index& yt (y.type->id);
//@@ 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 // BUILD_TARGET_KEY
|
