More reporting about reading and writing files and traversing directories

[builder.git] / source / config.cpp

diff --git a/source/config.cpp b/source/config.cpp
index 4ec969ac581d849bcd3cf6cb50bec4ef3654832d..5b43fe3e68e01aef7521f56610e2b98b134ce289 100644 (file)
--- a/source/config.cpp
+++ b/source/config.cpp
@@ -1,15 +1,6 @@
-/* $Id$
-
-This file is part of builder
-Copyright © 2006-2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <cstdlib>
-#include <msp/core/except.h>
+#include <msp/core/maputils.h>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
-#include <msp/io/except.h>
 #include <msp/io/file.h>
 #include <msp/io/print.h>
 #include <msp/time/utils.h>
@@ -22,7 +13,7 @@ using namespace Msp;
 
 Config::Config(SourcePackage &p):
        package(p),
-       freeze_mtime(false)
+       changed(false)
 { }
 
 void Config::add_option(const string &n, const string &v, const string &d)
@@ -32,11 +23,7 @@ void Config::add_option(const string &n, const string &v, const string &d)
 
 const Config::Option &Config::get_option(const string &name) const
 {
-       OptionMap::const_iterator i = options.find(name);
-       if(i==options.end())
-               throw KeyError("Unknown option", name);
-
-       return i->second;
+       return get_item(options, name);
 }
 
 bool Config::is_option(const string &name) const
@@ -44,115 +31,41 @@ bool Config::is_option(const string &name) const
        return options.count(name);
 }
 
-void Config::select_last_profile()
-{
-       try
-       {
-               IO::BufferedFile in((package.get_source()/".profile").str());
-               string profile;
-               in.getline(profile);
-               set_option("profile", profile);
-       }
-       catch(const IO::FileNotFound &)
-       { }
-
-       freeze_mtime = true;
-       package.get_builder().apply_profile_template(*this, get_option("profile").value);
-       freeze_mtime = false;
-
-       load();
-}
-
-void Config::select_profile(const string &profile)
-{
-       set_option("profile", profile);
-
-       if(!package.get_builder().get_dry_run())
-       {
-               IO::BufferedFile out((package.get_source()/".profile").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();
-}
-
 bool Config::update(const StringMap &opts)
 {
-       bool changed = false;
+       bool changed_now = false;
        for(StringMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
        {
                if(set_option(i->first, i->second) && i->first!="profile")
-                       changed = true;
+                       changed_now = true;
        }
 
-       if(changed && !freeze_mtime)
+       if(changed_now)
+       {
                mtime = Time::now();
+               changed = true;
+       }
 
-       return changed;
+       return changed_now;
 }
 
 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;
-                       string::size_type dollar = 0;
-                       while((dollar = opt.value.find('$', dollar))!=string::npos)
-                       {
-                               string::size_type 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;
-       }
+       for(OptionMap::iterator i=options.begin(); i!=options.end(); ++i)
+               i->second.value = package.expand_string(i->second.value);
 }
 
 void Config::save() const
 {
-       FS::Path fn = package.get_source()/".options";
+       if(!changed)
+               return;
 
-       OptionMap::const_iterator i = options.find("profile");
-       if(i!=options.end())
-               fn = package.get_source()/(".options."+i->second.value);
+       FS::Path fn = package.get_source()/".config";
 
+       package.get_builder().get_logger().log("files", format("Writing %s", fn));
        IO::BufferedFile out(fn.str(), IO::M_WRITE);
 
-       for(i=options.begin(); i!=options.end(); ++i)
+       for(OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i)
                IO::print(out, "option \"%s\" \"%s\";\n", i->second.name, i->second.value);
 }
 
@@ -173,20 +86,20 @@ bool Config::set_option(const string &opt, const string &val)
 
 void Config::load()
 {
-       FS::Path fn = package.get_source()/(".options."+get_option("profile").value);
+       FS::Path fn = package.get_source()/".config";
 
-       try
+       FS::Stat stat = FS::stat(fn);
+       if(stat)
        {
+               package.get_builder().get_logger().log("files", format("Reading %s", fn));
                IO::BufferedFile in(fn.str());
 
-               mtime = Time::TimeStamp::from_unixtime(FS::stat(fn).st_mtime);
+               mtime = stat.get_modify_time();
 
                DataFile::Parser parser(in, fn.str());
                Loader loader(*this);
                loader.load(parser);
        }
-       catch(const IO::FileNotFound &)
-       { }
 }
 
 
@@ -199,12 +112,12 @@ Config::Option::Option(const string &n, const string &v, const string &d):
 
 
 Config::Loader::Loader(Config &c):
-       conf(c)
+       DataFile::ObjectLoader<Config>(c)
 {
        add("option", &Loader::option);
 }
 
 void Config::Loader::option(const string &n, const string &v)
 {
-       conf.set_option(n, v);
+       obj.set_option(n, v);
 }