]> git.tdb.fi Git - builder.git/blobdiff - source/config.cpp
Add missing includes
[builder.git] / source / config.cpp
index 36a59638f104506a9bf6adaca70ab0d8b2ddd57f..4cc9149efe6deb4f672e29e0cfc5ed9e01f4a525 100644 (file)
@@ -1,12 +1,29 @@
-#include <fstream>
-#include <msp/error.h>
+/* $Id$
+
+This file is part of builder
+Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include <cstdlib>
+#include <msp/core/except.h>
+#include <msp/io/except.h>
+#include <msp/io/file.h>
+#include <msp/io/print.h>
 #include <msp/path/utils.h>
 #include <msp/time/utils.h>
+#include "builder.h"
 #include "config.h"
+#include "sourcepackage.h"
 
 using namespace std;
 using namespace Msp;
 
+Config::Config(SourcePackage &p):
+       package(p),
+       freeze_mtime(false)
+{ }
+
 /**
 Adds a configuration option.
 
@@ -46,29 +63,40 @@ default profile is assumed.
 */
 void Config::select_last_profile()
 {
-       ifstream in((source/".profile.cache").str().c_str());
-       if(in)
+       try
        {
+               IO::File in((package.get_source()/".profile.cache").str());
                string profile;
-               in>>profile;
+               in.getline(profile);
                set_option("profile", profile);
        }
-       else
-               set_option("profile", "default");
+       catch(const IO::FileNotFound &)
+       { }
+
+       freeze_mtime=true;
+       package.get_builder().apply_profile_template(*this, get_option("profile").value);
+       freeze_mtime=false;
 
        load();
 }
 
 /**
-Selects the given profile.  The profile cache file is updated as well.
+Selects the given profile.  The profile cache file is updated as well, unless
+--dry-run was given.
 */
 void Config::select_profile(const string &profile)
 {
        set_option("profile", profile);
 
-       ofstream out((source/".profile.cache").str().c_str());
-       if(out)
-               out<<profile<<'\n';
+       if(!package.get_builder().get_dry_run())
+       {
+               IO::File out((package.get_source()/".profile.cache").str(), IO::M_WRITE);
+               IO::print(out, "%s\n", profile);
+       }
+
+       freeze_mtime=true;
+       package.get_builder().apply_profile_template(*this, profile);
+       freeze_mtime=false;
 
        load();
 }
@@ -82,34 +110,83 @@ to the current time.
 
 @return  Whether any option values were changed
 */
-bool Config::update(const RawOptionMap &opts)
+bool Config::update(const StringMap &opts)
 {
        bool changed=false;
-       for(RawOptionMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
+       for(StringMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
        {
                if(set_option(i->first, i->second) && i->first!="profile")
                        changed=true;
        }
 
-       if(changed)
+       if(changed && !freeze_mtime)
                mtime=Time::now();
 
        return changed;
 }
 
+/**
+Expands any variable references in options.
+*/
+void Config::finish()
+{
+       for(unsigned n=0; n<20; ++n)
+       {
+               bool changed=false;
+               for(OptionMap::iterator i=options.begin(); i!=options.end(); ++i)
+               {
+                       Option &opt=i->second;
+                       unsigned dollar=0;
+                       while((dollar=opt.value.find('$', dollar))!=string::npos)
+                       {
+                               unsigned end;
+                               string var;
+                               if(opt.value[dollar+1]=='{')
+                               {
+                                       end=opt.value.find('}', dollar+2);
+                                       if(end==string::npos)
+                                               throw Exception("Unterminated variable reference");
+                                       var=opt.value.substr(dollar+2, end-dollar-2);
+                                       ++end;
+                               }
+                               else
+                               {
+                                       for(end=dollar+1; (isalnum(opt.value[end]) && opt.value[end]!='_'); ++end) ;
+                                       var=opt.value.substr(dollar+1, end-dollar-1);
+                               }
+
+                               string value;
+                               if(is_option(var))
+                                       value=get_option(var).value;
+                               else if(var=="arch")
+                                       value=package.get_builder().get_current_arch().get_name();
+                               else if(const char *ptr=getenv(var.c_str()))
+                                       value=ptr;
+
+                               opt.value.replace(dollar, end-dollar, value);
+
+                               dollar+=value.size();
+                               changed=true;
+                       }
+               }
+
+               if(!changed)
+                       break;
+       }
+}
+
 void Config::save() const
 {
-       Path::Path fn=source/".options.cache";
+       Path fn=package.get_source()/".options.cache";
 
        OptionMap::const_iterator i=options.find("profile");
        if(i!=options.end())
-               fn=source/(".options."+i->second.value+".cache");
+               fn=package.get_source()/(".options."+i->second.value+".cache");
+
+       IO::File out(fn.str(), IO::M_WRITE);
 
-       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";
+               IO::print(out, "option \"%s\" \"%s\";\n", i->second.name, i->second.value);
 }
 
 bool Config::set_option(const string &opt, const string &val)
@@ -129,24 +206,28 @@ bool Config::set_option(const string &opt, const string &val)
 
 void Config::load()
 {
-       Path::Path fn=source/".options.cache";
+       Path fn=package.get_source()/".options.cache";
 
        OptionMap::iterator i=options.find("profile");
        if(i!=options.end())
-               fn=source/(".options."+i->second.value+".cache");
+               fn=package.get_source()/(".options."+i->second.value+".cache");
 
-       ifstream in(fn.str().c_str());
-       if(!in) return;
+       try
+       {
+               IO::File inf(fn.str());
+               IO::Buffered in(inf);
 
-       struct stat st;
-       Path::stat(fn, st);
-       mtime=Time::TimeStamp::from_unixtime(st.st_mtime);
+               mtime=Time::TimeStamp::from_unixtime(stat(fn).st_mtime);
 
-       Parser::Parser parser(in, fn.str());
-       Loader loader(*this);
-       loader.load(parser);
+               DataFile::Parser parser(in, fn.str());
+               Loader loader(*this);
+               loader.load(parser);
+       }
+       catch(const IO::FileNotFound &)
+       { }
 }
 
+
 Config::Option::Option(const string &n, const string &v, const string &d):
        name(n),
        defv(v),
@@ -154,6 +235,7 @@ Config::Option::Option(const string &n, const string &v, const string &d):
        value(v)
 { }
 
+
 Config::Loader::Loader(Config &c):
        conf(c)
 {