1 files changed, 95 insertions, 0 deletions
diff --git a/Source/Applications/Shell/Applets/ls.cpp b/Source/Applications/Shell/Applets/ls.cpp
new file mode 100644
index 0000000..3d05de4
--- /dev/null
+++ b/Source/Applications/Shell/Applets/ls.cpp
@@ -0,0 +1,95 @@
+#include <App/ShellApp.proto.h>
+#include <Binding/FSNode.class.h>
+
+#define DIR_COLOR 1
+#define FILE_COLOR 2
+#define NORMAL_COLOR 7
+
+class ls : public ShellApp {
+	public:
+	ls() : ShellApp("ls", "List the content of a directory") {
+		addFlag("l", "long", "Use long output", FT_BOOL, "");
+	}
+	int run();
+	void doLs(FSNode n);
+};
+
+int ls::run() {
+	FSNode cwd = FS::cwdNode();
+	if (args.size() == 0) {
+		doLs(cwd);
+	} else {
+		for (u32int i = 0; i < args.size(); i++) {
+			FSNode n = FS::find(args[i], cwd);
+			if (!n.valid()) {
+				outvt << "No such directory : " << args[1] << ENDL;
+			} else if (n.type() != NT_DIRECTORY) {
+				outvt << "Not a directory : " << args[1] << ENDL;
+			} else {
+				if (args.size() > 1) outvt << n.path() << ":\n";
+				doLs(n);
+				if (args.size() > 1 and i != args.size() - 1) outvt << ENDL;
+			}
+		}
+	}
+	return 0;
+}
+
+void ls::doLs(FSNode n) {
+	if (!n.valid()) {
+		outvt << "Invalid node...\n";
+		return;
+	}
+	Vector<String> elements;	int maxLength = 0;
+	for (u32int i = 0; i < n.getLength(); i++) {
+		FSNode c = n.getChild(i);
+		if (!n.valid()) {
+			outvt << "[inacessible file]\n";
+			continue;
+		}
+		if (bFlag("long")) {
+			String perm = "rwxrwxrwx";
+			u32int v = c.getPerm();
+			for (u32int i = 0; i < 9; i++) {
+				if (((v >> i) & 1) == 0) perm[8 - i] = "-";
+			}
+			if (c.type() == NT_FILE) {
+				outvt << " FILE " << perm << " " << c.getName();
+				outvt << MVT::setcsrcol(35) << (s32int)c.getLength() << " bytes.\n";
+			} else if (c.type() == NT_DIRECTORY) {
+				outvt << " DIR  " << perm << " " << c.getName() << "/";
+				outvt << MVT::setcsrcol(35) << (s32int)c.getLength() << " items.\n";
+			}
+		} else {
+			String s = c.getName();
+			if (c.type() == NT_DIRECTORY) s += "/";
+			if (s.size() > maxLength) maxLength = s.size();
+			elements.push(s);
+		}
+	}
+	if (!bFlag("long")) {
+		int nent;
+		bool boxed = outvt.isBoxed();
+		if (!boxed) {
+			nent = 1;
+		} else {
+			nent = outvt.width() / (maxLength + 2);
+		}
+		for (int i = 0, e = 0; i < elements.size(); i++, e++) {
+			if (e >= nent) {
+				e = 0;
+				outvt << ENDL;
+			}
+			if (boxed) outvt << MVT::setcsrcol(e * (maxLength + 2));
+			if (elements[i][elements[i].size() - 1] == WChar("/")) {
+				outvt << MVT::setfgcolor(DIR_COLOR);
+			} else {
+				outvt << MVT::setfgcolor(FILE_COLOR);
+			}
+			outvt << elements[i] << MVT::setfgcolor(NORMAL_COLOR);
+		}
+		outvt << ENDL;
+	}
+}
+
+APP(ls);