Added installer code.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@561 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/installer.cpp

@@ -7,11 +7,24 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <data/installer.hpp>
+#include <data/locale.hpp>
+#include <data/game.hpp>
+#include <data/stylesheet.hpp>
+#include <data/symbol_font.hpp>
+#include <data/export_template.hpp>
 #include <util/io/package_manager.hpp>
+#include <util/platform.hpp>
 #include <script/to_value.hpp>
 #include <wx/filename.h>
+#include <wx/wfstream.h>
+#include <wx/zipstrm.h>
+#include <wx/stdpaths.h>
 
 DECLARE_TYPEOF_COLLECTION(String);
+DECLARE_TYPEOF_COLLECTION(PackageP);
+DECLARE_TYPEOF_COLLECTION(PackageDependencyP);
+DECLARE_POINTER_TYPE(wxFileInputStream);
+DECLARE_POINTER_TYPE(wxZipInputStream);
 
 // ----------------------------------------------------------------------------- : Installer
 
@@ -24,31 +37,96 @@ IMPLEMENT_REFLECTION(Installer) {
 
 // ----------------------------------------------------------------------------- : Installing
 
-void Installer::installFrom(const String& filename, bool message_on_success) {
+void Installer::installFrom(const String& filename, bool message_on_success, bool local) {
 	Installer i;
 	i.open(filename);
-	i.install();
+	try {
+		i.install(local);
+	}
+	catch (Error& e) {
+		handle_error(e);
+		return;
+	}
 	if (message_on_success) {
 		wxMessageBox(String::Format(_("'%s' successfully installed %d package%s."), i.name().c_str(), i.packages.size(), i.packages.size() == 1 ? _("") : _("s")),
 		             _("Magic Set Editor"), wxOK | wxICON_INFORMATION);
 	}
 }
 
-void Installer::install() {
-	// Walk over all files in this installer
+struct dependency_check : public unary_function<bool, PackagedP> {
+	dependency_check(PackageDependencyP dep) : dep (dep) {}
+	bool operator () (PackagedP package) {
+		return package->name() == dep->package && package->version >= dep->version;
+	}
+  private:
+	PackageDependencyP dep;
+};
+
+void Installer::install(bool local) {
+	// Destination directory
+	String install_dir = local ? ::packages.getLocalDataDir() : ::packages.getGlobalDataDir();
+	if (!wxDirExists(install_dir))
+		wxMkdir(install_dir, 0755);
+	
+	// All the packages we're installing.
+	vector<PackagedP> new_packages;
+
+	FOR_EACH(p, packages) {
+		if (wxDirExists(install_dir + _("/") + p) || wxFileExists(install_dir + _("/") + p))
+			throw PackageError(_("Package ") + p + _(" is already installed. Overwriting currently not supported."));
+		PackagedP pack;
+		wxString fn(wxFileName(p).GetExt());
+		if      (fn == _("mse-game"))            pack = new_intrusive<Game>();
+		else if (fn == _("mse-style"))           pack = new_intrusive<StyleSheet>();
+		else if (fn == _("mse-locale"))          pack = new_intrusive<Locale>();
+		else if (fn == _("mse-include"))         pack = new_intrusive<IncludePackage>();
+		else if (fn == _("mse-symbol-font"))     pack = new_intrusive<SymbolFont>();
+		else if (fn == _("mse-export-template")) pack = new_intrusive<ExportTemplate>();
+		else {
+			throw PackageError(_("Unrecognized package type: '") + fn + _("'\nwhile trying to install: ") + p);
+		}
+		Reader reader(openIn(p + _("/") + fn.Mid(4)));
+		pack->Packaged::reflect_impl(reader);
+		new_packages.push_back(pack);
+	}
+	
+
+	// Check dependencies for each and every package.
+	FOR_EACH(p, new_packages) {
+		FOR_EACH(d, p->dependencies) {
+			if (find_if(new_packages.begin(), new_packages.end(), dependency_check(d)) == new_packages.end() &&
+				!::packages.checkDependency(*d, false)) {
+				throw PackageError(_("Unmet dependency for package ") + p->relativeFilename() + _(": ") + d->package + _(", version ") + d->version.toString() + _(" or higher."));
+			}
+		}
+	}
+
 	const FileInfos& file_infos = getFileInfos();
 	for (FileInfos::const_iterator it = file_infos.begin() ; it != file_infos.end() ; ++it) {
-//		const String& filename = it->first;
-		//
-	}
-	// REMOVE?
-	FOR_EACH(p, packages) {
-		install(p);
+		String file = it->first;
+
+		wxFileName fn(file);
+		wxArrayString dirs = fn.GetDirs();
+
+		if (fn.IsDir() || !dirs.GetCount() || find(packages.begin(), packages.end(), dirs[0]) == packages.end())
+			continue;
+
+		String current_dir = install_dir;
+		for (size_t j = 0; j < dirs.GetCount(); ++j) {
+			current_dir += _("/") + dirs[j];
+			if (!wxDirExists(current_dir) && !wxMkdir(current_dir, 0755))
+				throw PackageError(_("Cannot create folder ") + current_dir + _(" for install. Warning: some packages may have been installed anyway, and some may only be partially installed."));
+		}
+
+		InputStreamP is = openIn(file);
+		wxFileOutputStream os (install_dir + _("/") + file);
+		if (!os.IsOk())
+			throw PackageError(_("Cannot create file ") + install_dir + _("/") + file + _(" for install. Warning: some packages may have been installed anyway, and some may only be partially installed."));
+		os.Write(*is);
 	}
 }
 
 void Installer::install(const String& package) {
-	// 1. Make sure the package is not loaded
 	// TODO
 }
 

src/data/installer.hpp

@@ -21,9 +21,9 @@ class Installer : public Packaged {
 	vector<String> packages;	///< Packages to install
 	
 	/// Load an installer from a file, and run it
-	static void installFrom(const String& filename, bool message_on_success);
+	static void installFrom(const String& filename, bool message_on_success, bool local);
 	/// Install all the packages
-	void install();
+	void install(bool local);
 	/// Install a specific package
 	void install(const String& package);
 	

src/data/settings.cpp

@@ -156,7 +156,7 @@ IndexMap<FieldP,ValueP>& Settings::exportOptionsFor(const ExportTemplate& export
 /// Retrieve the directory to use for settings and other data files
 String user_settings_dir() {
 	String dir = wxStandardPaths::Get().GetUserDataDir();
-	if (!wxDirExists(dir)) wxMkDir(dir);
+	if (!wxDirExists(dir)) wxMkdir(dir);
 	return dir + _("/");
 }