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Avoid preparing packages multiple times
[builder.git] / source / lib / package.cpp
1 #include <msp/strings/format.h>
2 #include "builder.h"
3 #include "package.h"
4
5 using namespace std;
6 using namespace Msp;
7
8 Package::Package(Builder &b, const string &n):
9         builder(b),
10         name(n),
11         label(string(1, toupper(n[0]))+n.substr(1))
12 {
13         builder.get_package_manager().add_package(this);
14 }
15
16 void Package::prepare()
17 {
18         if(prepared)
19                 return;
20
21         prepared = true;
22
23         for(Package *r: requires)
24                 r->prepare();
25
26         do_prepare();
27 }
28
29
30 Package::Loader::Loader(Package &p):
31         DataFile::ObjectLoader<Package>(p),
32         ArchitectureConditional(p.builder, p.name)
33 {
34         add("label",   &Package::label);
35         add("require", &Loader::require);
36 }
37
38 void Package::Loader::require(const string &n)
39 {
40         Package *req = obj.builder.get_package_manager().find_package(n);
41         if(req)
42                 obj.requires.push_back(req);
43         else
44                 obj.problems.push_back(format("Required package %s not found", n));
45 }