X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fconfig.cpp;h=4ec969ac581d849bcd3cf6cb50bec4ef3654832d;hb=699493ee7346c578537f4e310702c57012686c22;hp=50e0de9f9a165bfd9e461c6d8a194e1a756c316c;hpb=59ac0a44d6edf179c01604c6ced744873213f855;p=builder.git

diff --git a/source/config.cpp b/source/config.cpp
index 50e0de9..4ec969a 100644
--- a/source/config.cpp
+++ b/source/config.cpp
@@ -1,9 +1,30 @@
-#include <msp/error.h>
+/* $Id$
+
+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/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>
+#include "builder.h"
 #include "config.h"
+#include "sourcepackage.h"
 
 using namespace std;
 using namespace Msp;
 
+Config::Config(SourcePackage &p):
+	package(p),
+	freeze_mtime(false)
+{ }
+
 void Config::add_option(const string &n, const string &v, const string &d)
 {
 	options.insert(OptionMap::value_type(n, Option(n, v, d)));
@@ -11,9 +32,9 @@ 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);
+	OptionMap::const_iterator i = options.find(name);
 	if(i==options.end())
-		throw Exception("Tried to access nonexistent option "+name);
+		throw KeyError("Unknown option", name);
 
 	return i->second;
 }
@@ -23,26 +44,167 @@ bool Config::is_option(const string &name) const
 	return options.count(name);
 }
 
-bool Config::process(const RawOptionMap &opts)
+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;
-	for(RawOptionMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
+	bool changed = false;
+	for(StringMap::const_iterator i=opts.begin(); i!=opts.end(); ++i)
 	{
-		OptionMap::iterator j=options.find(i->first);
-		if(j!=options.end())
+		if(set_option(i->first, i->second) && i->first!="profile")
+			changed = true;
+	}
+
+	if(changed && !freeze_mtime)
+		mtime = Time::now();
+
+	return changed;
+}
+
+void Config::finish()
+{
+	for(unsigned n=0; n<20; ++n)
+	{
+		bool changed = false;
+		for(OptionMap::iterator i=options.begin(); i!=options.end(); ++i)
 		{
-			if(i->second!=j->second.value)
-				changed=true;
-			j->second.value=i->second;
+			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;
 	}
+}
 
-	return changed;
+void Config::save() const
+{
+	FS::Path fn = package.get_source()/".options";
+
+	OptionMap::const_iterator i = options.find("profile");
+	if(i!=options.end())
+		fn = package.get_source()/(".options."+i->second.value);
+
+	IO::BufferedFile out(fn.str(), IO::M_WRITE);
+
+	for(i=options.begin(); i!=options.end(); ++i)
+		IO::print(out, "option \"%s\" \"%s\";\n", i->second.name, i->second.value);
+}
+
+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()
+{
+	FS::Path fn = package.get_source()/(".options."+get_option("profile").value);
+
+	try
+	{
+		IO::BufferedFile in(fn.str());
+
+		mtime = Time::TimeStamp::from_unixtime(FS::stat(fn).st_mtime);
+
+		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),
 	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)
+{
+	conf.set_option(n, v);
+}