using namespace std;
using namespace Msp;
+/**
+Adds a configuration option.
+
+@param n Option name
+@param v Default value
+@param d Description
+*/
void Config::add_option(const string &n, const string &v, const string &d)
{
options.insert(OptionMap::value_type(n, Option(n, v, d)));
}
+/**
+Gets the given option from the configuration. If the option doesn't exist,
+an Exception is thrown.
+*/
const Config::Option &Config::get_option(const string &name) const
{
OptionMap::const_iterator i=options.find(name);
return i->second;
}
+/**
+Checks whether an option with the given name exists.
+*/
bool Config::is_option(const string &name) const
{
return options.count(name);
}
-bool Config::process(const RawOptionMap &opts)
+/**
+Selects the last profile used. If the profile cache file is not present, the
+default profile is assumed.
+*/
+void Config::select_last_profile()
+{
+ ifstream in((source/".profile.cache").str().c_str());
+ if(in)
+ {
+ string profile;
+ in>>profile;
+ set_option("profile", profile);
+ }
+ else
+ set_option("profile", "default");
+
+ load();
+}
+
+/**
+Selects the given profile. The profile cache file is updated as well.
+*/
+void Config::select_profile(const string &profile)
+{
+ set_option("profile", profile);
+
+ ofstream out((source/".profile.cache").str().c_str());
+ if(out)
+ out<<profile<<'\n';
+
+ load();
+}
+
+/**
+Processes options from the given raw option map. Nonexistent options are
+ignored. If any options were changed, the mtime of the configuration is updated
+to the current time.
+
+@param opts A map to process options from
+
+@return Whether any option values were changed
+*/
+bool Config::update(const RawOptionMap &opts)
{
bool changed=false;
for(RawOptionMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
{
- OptionMap::iterator j=options.find(i->first);
- if(j!=options.end())
- {
- if(i->second!=j->second.value)
- changed=true;
- j->second.value=i->second;
- }
+ if(set_option(i->first, i->second) && i->first!="profile")
+ changed=true;
}
if(changed)
return changed;
}
-void Config::load(const Path::Path &fn)
+void Config::save() const
{
+ Path::Path fn=source/".options.cache";
+
+ OptionMap::const_iterator i=options.find("profile");
+ if(i!=options.end())
+ fn=source/(".options."+i->second.value+".cache");
+
+ ofstream out(fn.str().c_str());
+ if(!out) return;
+
+ for(i=options.begin(); i!=options.end(); ++i)
+ out<<"option \""<<i->second.name<<"\" \""<<i->second.value<<"\";\n";
+}
+
+bool Config::set_option(const string &opt, const string &val)
+{
+ bool result=false;
+
+ OptionMap::iterator i=options.find(opt);
+ if(i!=options.end())
+ {
+ if(i->second.value!=val)
+ result=true;
+ i->second.value=val;
+ }
+
+ return result;
+}
+
+void Config::load()
+{
+ Path::Path fn=source/".options.cache";
+
+ OptionMap::iterator i=options.find("profile");
+ if(i!=options.end())
+ fn=source/(".options."+i->second.value+".cache");
+
ifstream in(fn.str().c_str());
if(!in) return;
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),
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;
+ conf.set_option(n, v);
}