3 This file is part of builder
4 Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/fs/stat.h>
9 #include <msp/io/except.h>
10 #include <msp/io/file.h>
11 #include <msp/io/print.h>
12 #include <msp/strings/utils.h>
14 #include "dependencycache.h"
15 #include "sourcepackage.h"
20 DependencyCache::DependencyCache(SourcePackage &p):
25 const StringList &DependencyCache::get_deps(const string &tgt) const
27 DepsMap::const_iterator i=deps.find(tgt);
29 throw KeyError("Unknown dependencies", tgt);
34 void DependencyCache::set_deps(const string &tgt, const StringList &d)
41 Saves the depencency cache. If there are no cached dependencies or they
42 haven't been changed, does nothing.
44 void DependencyCache::save() const
46 if(deps.empty() || !changed || package.get_builder().get_dry_run())
49 IO::BufferedFile out((package.get_source()/".deps").str(), IO::M_WRITE);
51 for(DepsMap::const_iterator i=deps.begin(); i!=deps.end(); ++i)
53 IO::print(out, i->first);
54 for(StringList::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
55 IO::print(out, "|%s", *j);
60 void DependencyCache::load()
62 string fn=(package.get_source()/".deps").str();
66 IO::BufferedFile in(fn);
69 while(in.getline(line))
71 vector<string> parts=split(line, '|');
72 deps[parts[0]]=StringList(parts.begin()+1, parts.end());
75 mtime=Time::TimeStamp::from_unixtime(FS::stat(fn).st_mtime);
77 catch(const IO::FileNotFound &)