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command.js: . and .. on path resolving

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minjaesong
2020-11-12 11:11:35 +09:00
parent 78df4d2971
commit 88ef2e05ab
2 changed files with 19 additions and 7 deletions
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19
assets/tvdos/bin/command.js
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@@ -127,9 +127,26 @@ function resolvePathInput(input) {
// replace slashes into revslashes
let pathstr = input.replaceAll('/','\\\\');
let startsWithSlash = input.startsWith('\\');
let newPwd = [];
// split them into an array while filtering empty elements except for the root 'head'
let newPwd = (startsWithSlash ? [""] : shell_pwd).concat(pathstr.split("\\").filter(function(it) { return (it.length > 0); }));
let ipwd = (startsWithSlash ? [""] : shell_pwd).concat(pathstr.split("\\").filter(function(it) { return (it.length > 0); }));
serial.println("command.js > resolvePathInput > ipwd = "+ipwd);
serial.println("command.js > resolvePathInput > newPwd = "+newPwd);
// process dots
ipwd.forEach(function(it) {
serial.println("command.js > resolvePathInput > ipwd.forEach > it = "+it);
if (it === ".." && newPwd[1] !== undefined) {
newPwd.pop();
}
else if (it !== ".." && it !== ".") {
newPwd.push(it);
}
serial.println("command.js > resolvePathInput > newPwd = "+newPwd);
});
// construct new pathstr from pwd arr so it will be sanitised
pathstr = newPwd.join('\\').substring(1);