diff options
Diffstat (limited to 'build2/config/utility.cxx')
-rw-r--r-- | build2/config/utility.cxx | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/build2/config/utility.cxx b/build2/config/utility.cxx index c195e0b..1c80d13 100644 --- a/build2/config/utility.cxx +++ b/build2/config/utility.cxx @@ -4,7 +4,10 @@ #include <build2/config/utility.hxx> +#include <build2/file.hxx> #include <build2/context.hxx> +#include <build2/filesystem.hxx> +#include <build2/diagnostics.hxx> #include <build2/config/module.hxx> @@ -151,5 +154,152 @@ namespace build2 if (module* m = r.modules.lookup<module> (module::name)) m->save_module (name, prio); } + + void + create_project (const dir_path& d, + const build2::optional<dir_path>& amal, + const strings& bmod, + const string& rpre, + const strings& rmod, + const string& rpos, + bool config, + bool buildfile, + const char* who, + uint16_t verbosity) + { + string hdr ("# Generated by " + string (who) + ". Edit if you know" + " what you are doing.\n" + "#"); + + // If the directory exists, verify it's empty. Otherwise, create it. + // + if (exists (d)) + { + if (!empty (d)) + fail << "directory " << d << " exists and is not empty"; + } + else + mkdir_p (d, verbosity); + + // Create the build/ subdirectory. + // + mkdir (d / build_dir, verbosity); + + // Write build/bootstrap.build. + // + { + path f (d / bootstrap_file); + + if (verb >= verbosity) + text << (verb >= 2 ? "cat >" : "save ") << f; + + try + { + ofdstream ofs (f); + + ofs << hdr << endl + << "project =" << endl; + + if (amal) + { + ofs << "amalgamation ="; + + if (!amal->empty ()) + ofs << ' ' << amal->representation (); + + ofs << endl; + } + + ofs << endl; + + if (config) + ofs << "using config" << endl; + + for (const string& m: bmod) + { + if (!config || m != "config") + ofs << "using " << m << endl; + } + + ofs.close (); + } + catch (const io_error& e) + { + fail << "unable to write " << f << ": " << e; + } + } + + // Write build/root.build. + // + { + path f (d / root_file); + + if (verb >= verbosity) + text << (verb >= 2 ? "cat >" : "save ") << f; + + try + { + ofdstream ofs (f); + + ofs << hdr << endl; + + if (!rpre.empty ()) + ofs << rpre << endl + << endl; + + for (const string& cm: rmod) + { + // If the module name start with '?', then use optional load. + // + bool opt (cm.front () == '?'); + string m (cm, opt ? 1 : 0); + + // Append .config unless the module name ends with '.', in which + // case strip it. + // + if (m.back () == '.') + m.pop_back (); + else + m += ".config"; + + ofs << "using" << (opt ? "?" : "") << " " << m << endl; + } + + if (!rpos.empty ()) + ofs << endl + << rpre << endl; + + ofs.close (); + } + catch (const io_error& e) + { + fail << "unable to write " << f << ": " << e; + } + } + + // Write root buildfile. + // + if (buildfile) + { + path f (d / "buildfile"); + + if (verb >= verbosity) + text << (verb >= 2 ? "cat >" : "save ") << f; + + try + { + ofdstream ofs (f); + + ofs << hdr << endl + << "./: {*/ -build/}" << endl; + + ofs.close (); + } + catch (const io_error& e) + { + fail << "unable to write " << f << ": " << e; + } + } + } } } |