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#include <App/ShellApp.proto.h>
#include <Binding/FSNode.class.h>
#define DIR_COLOR 3
#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);
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