X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fconfig.cpp;h=2e3741e2a2a5120ab1d8e3bddfe573e2fc3ce21a;hb=69ad3610053e140cb5108f53e4c46a0583e33559;hp=61f7322e742ead72279f2d89a33f1012a4c8f497;hpb=cbb3c4c6aab7b04f7bd2178fb8f12846d532a472;p=builder.git diff --git a/source/config.cpp b/source/config.cpp index 61f7322..2e3741e 100644 --- a/source/config.cpp +++ b/source/config.cpp @@ -1,17 +1,42 @@ +/* $Id$ + +This file is part of builder +Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions +Distributed under the LGPL +*/ + #include -#include +#include #include #include +#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. + +@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); @@ -21,54 +46,178 @@ const Config::Option &Config::get_option(const string &name) const 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((package.get_source()/".profile.cache").str().c_str()); + if(in) + { + string profile; + getline(in, profile); + set_option("profile", profile); + } + + 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, unless +--dry-run was given. +*/ +void Config::select_profile(const string &profile) +{ + set_option("profile", profile); + + if(!package.get_builder().get_dry_run()) + { + ofstream out((package.get_source()/".profile.cache").str().c_str()); + if(out) + out<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) + if(changed && !freeze_mtime) mtime=Time::now(); return changed; } -void Config::load(const Path::Path &fn) +/** +Expands any variable references in options. +*/ +void Config::finish() { - ifstream in(fn.str().c_str()); - if(!in) return; + 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); + } - struct stat st; - Path::stat(fn, st); - mtime=Time::TimeStamp::from_unixtime(st.st_mtime); + string value; + if(is_option(var)) + value=get_option(var).value; + else + value=getenv(var.c_str()); - Parser::Parser parser(in, fn.str()); - Loader loader(*this); - loader.load(parser); + opt.value.replace(dollar, end-dollar, value); + + dollar+=value.size(); + changed=true; + } + } + + if(!changed) + break; + } } -void Config::save(const Path::Path &fn) const +void Config::save() const { + Path fn=package.get_source()/".options.cache"; + + OptionMap::const_iterator i=options.find("profile"); + if(i!=options.end()) + fn=package.get_source()/(".options."+i->second.value+".cache"); + ofstream out(fn.str().c_str()); if(!out) return; - - for(OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i) + + for(i=options.begin(); i!=options.end(); ++i) out<<"option \""<second.name<<"\" \""<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 fn=package.get_source()/".options.cache"; + + OptionMap::iterator i=options.find("profile"); + if(i!=options.end()) + fn=package.get_source()/(".options."+i->second.value+".cache"); + + ifstream in(fn.str().c_str()); + if(!in) return; + + mtime=Time::TimeStamp::from_unixtime(stat(fn).st_mtime); + + DataFile::Parser parser(in, fn.str()); + Loader loader(*this); + loader.load(parser); +} + + Config::Option::Option(const string &n, const string &v, const string &d): name(n), defv(v), @@ -76,6 +225,7 @@ Config::Option::Option(const string &n, const string &v, const string &d): value(v) { } + Config::Loader::Loader(Config &c): conf(c) { @@ -84,7 +234,5 @@ Config::Loader::Loader(Config &c): 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); }