New model, object-oriented, for applications

1 files changed, 132 insertions, 0 deletions

diff --git a/Source/Applications/Shell/Shell-fs.class.cpp b/Source/Applications/Shell/Shell-fs.class.cpp
new file mode 100644
index 0000000..150b877
--- /dev/null
+++ b/Source/Applications/Shell/Shell-fs.class.cpp
@@ -0,0 +1,132 @@
+#include "Shell.class.h"
+#include <TextFile.class.h>
+#include <Binding/Process.class.h>
+
+void Shell::ls(Vector<String>& args) {
+	FSNode d = cwd;
+	if (args.size() == 2) {
+		FSNode n = FS::find(args[1], cwd);
+		d = FSNode(0);
+		if (!n.valid())
+			outvt << "No such directory : " << args[1] << "\n";
+		else if (n.type() != NT_DIRECTORY)
+			outvt << "Not a directory : " << args[1] << "\n";
+		else
+			d = n;
+	}	
+	if (d.valid()) outvt << "Contents of directory " << d.path() << " :\n";
+	if (!d.valid()) return;
+	for (u32int i = 0; i < d.getLength(); i++) {
+		FSNode n = d.getChild(i);
+		if (!n.valid()) {
+			outvt << " [inacessible file]\n";	//This is a file we are not supposed to be able to read
+			continue;
+		}
+		String perm = "rwxrwxrwx";
+		u32int p = n.getPerm();
+		for (u32int i = 0; i < 9; i++) {
+			if (((p >> i) & 1) == 0) perm[8 - i] = "-";
+		}
+		if (n.type() == NT_FILE) {
+			outvt << " FILE " << perm << " " << n.getName();
+			outvt.setCsrCol(30);
+			outvt << (s32int)n.getLength() << " bytes.\n";
+		} else if (n.type() == NT_DIRECTORY) {
+			outvt << " DIR  " << perm << " " << n.getName() << "/";
+			outvt.setCsrCol(30);
+			outvt << (s32int)n.getLength() << " items.\n";
+		}
+	}
+}
+
+void Shell::cd(Vector<String>& args) {
+	if (args.size() != 2) {
+		outvt << "Invalid argument count.\n";
+	} else {
+		FSNode ncwd = FS::find(args[1], cwd);
+		if (!ncwd.valid()) {
+			outvt << "No such directory : " << args[1] << "\n";
+		} else if (ncwd.type() == NT_DIRECTORY) {
+			ncwd.setCwd();
+			cwd = ncwd;
+		} else {
+			outvt << "Not a directory.\n";
+		}
+	}
+}
+
+void Shell::pwd(Vector<String>& args) {
+	outvt << "Current directory : " << cwd.path() << "\n";
+}
+
+void Shell::rm(Vector<String>& args) {
+	if (args.size() == 1) outvt << "No file to remove.\n";
+	for (u32int i = 1; i < args.size(); i++) {
+		if (!FS::find(args[i], cwd).remove()) {
+			outvt << "Error while removing file " << args[i] << "\n";
+		}
+	}
+}
+
+void Shell::mkdir(Vector<String>& args) {
+	if (args.size() == 1) outvt << "No directory to create.\n";
+	for (u32int i = 1; i < args.size(); i++) {
+		if (!FS::mkdir(args[i], cwd).valid()) {
+			outvt << "Error while creating directory " << args[i] << "\n";
+		}
+	}
+}
+
+void Shell::cat(Vector<String>& args) {
+	if (args.size() == 1) outvt << "Meow.\n";
+	for (u32int i = 1; i < args.size(); i++) {
+		TextFile f(args[i], FM_READ, cwd);
+		if (f.valid() && f.validOpened()) {
+			while (!f.eof()) {
+				outvt << f.readLine() << "\n";
+			}
+			f.close();
+		} else {
+			outvt << "Error while reading from file " << args[i] << "\n";
+		}
+	}
+}
+
+void Shell::wf(Vector<String>& args) {
+	if (args.size() == 1) {
+		outvt << "No file to write !\n";
+	} else {
+		TextFile f(args[1], FM_TRUNCATE, cwd);
+		if (f.valid() && f.validOpened()) {
+			outvt << "Enter contents for file " << args[1] << " and end your entry with <CR>.<CR>\n";
+			String t = invt.readLine();
+			while (t != ".") {
+				f.write(t, true);
+				t = invt.readLine();
+			}
+			f.close();
+		} else {
+			outvt << "Error opening file.\n";
+		}
+	}
+}
+
+void Shell::run(Vector<String>& args) {
+	if (args.size() == 1) {
+		outvt << "Nothing to run...\n";
+	} else {
+		Process p = Process::run(args[1]);
+		if (p.valid()) {
+			p.setInVT(invt);
+			p.setOutVT(outvt);
+			for (u32int i = 2; i < args.size(); i++) {
+				p.pushArg(args[i]);
+			}
+			p.start();
+			s32int v = p.wait();
+			outvt << "Return value : " << (s64int)v << "\n";
+		} else {
+			outvt << "Error while launching process.\n";
+		}
+	}
+}