Package configuration is cached

[builder.git] / source / config.cpp

diff --git a/source/config.cpp b/source/config.cpp
index 50e0de9f9a165bfd9e461c6d8a194e1a756c316c..61f7322e742ead72279f2d89a33f1012a4c8f497 100644 (file)
--- a/source/config.cpp
+++ b/source/config.cpp
@@ -1,4 +1,7 @@
+#include <fstream>
 #include <msp/error.h>
+#include <msp/path/utils.h>
+#include <msp/time/utils.h>
 #include "config.h"
 
 using namespace std;
@@ -37,12 +40,51 @@ bool Config::process(const RawOptionMap &opts)
                }
        }
 
+       if(changed)
+               mtime=Time::now();
+
        return changed;
 }
 
+void Config::load(const Path::Path &fn)
+{
+       ifstream in(fn.str().c_str());
+       if(!in) return;
+
+       struct stat st;
+       Path::stat(fn, st);
+       mtime=Time::TimeStamp::from_unixtime(st.st_mtime);
+
+       Parser::Parser parser(in, fn.str());
+       Loader loader(*this);
+       loader.load(parser);
+}
+
+void Config::save(const Path::Path &fn) const
+{
+       ofstream out(fn.str().c_str());
+       if(!out) return;
+       
+       for(OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i)
+               out<<"option \""<<i->second.name<<"\" \""<<i->second.value<<"\";\n";
+}
+
 Config::Option::Option(const string &n, const string &v, const string &d):
        name(n),
        defv(v),
        descr(d),
        value(v)
 { }
+
+Config::Loader::Loader(Config &c):
+       conf(c)
+{
+       add("option", &Loader::option);
+}
+
+void Config::Loader::option(const string &n, const string &v)
+{
+       OptionMap::iterator i=conf.options.find(n);
+       if(i!=conf.options.end())
+               i->second.value=v;
+}