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fix truncate & write (incl resizing). fix extensions/*/enabled ?

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This commit is contained in:
Omar Rizwan 2020-12-23 04:18:26 -08:00
parent 35214c9698
commit 760de1ac77
1 changed files with 17 additions and 9 deletions
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26
extension/background.js
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@ -135,13 +135,16 @@ const defineFile = (getData, setData) => ({
return { buf: String.fromCharCode(...Cache.getObjectForHandle(fh).slice(offset, offset + size)) } return { buf: String.fromCharCode(...Cache.getObjectForHandle(fh).slice(offset, offset + size)) }
}, },
async write({path, fh, offset, buf}) { async write({path, fh, offset, buf}) {
// FIXME: patch let arr = Cache.getObjectForHandle(fh);
const bufarr = stringToUtf8Array(buf);
if (offset + bufarr.length > arr.length) {
const newArr = new Uint8Array(offset + bufarr.length);
newArr.set(arr); arr = newArr;
}
for (let i = 0; i < bufarr.length; i++) { arr[offset + i] = bufarr[i]; }
// I guess caller should override write() if they want to actually // I guess caller should override write() if they want to actually
// patch and not just re-set the whole string (for example, // patch and not just re-set the whole string (for example,
// if they want to hot-reload just one function the user modified) // if they want to hot-reload just one function the user modified)
const arr = Cache.getObjectForHandle(fh);
const bufarr = stringToUtf8Array(buf);
arr.splice(offset, bufarr.length, ...bufarr);
await setData(path, utf8ArrayToString(arr)); return { size: bufarr.length }; await setData(path, utf8ArrayToString(arr)); return { size: bufarr.length };
}, },
async release({fh}) { Cache.removeObjectForHandle(fh); return {}; }, async release({fh}) { Cache.removeObjectForHandle(fh); return {}; },
@ -150,9 +153,12 @@ const defineFile = (getData, setData) => ({
// TODO: weird case if they truncate while the file is open // TODO: weird case if they truncate while the file is open
// (but `echo hi > foo.txt`, the main thing I care about, uses // (but `echo hi > foo.txt`, the main thing I care about, uses
// O_TRUNC which thankfully doesn't do that) // O_TRUNC which thankfully doesn't do that)
const arr = toUtf8Array(await getData(path)); let arr = toUtf8Array(await getData(path));
arr.splice(size); if (size > arr.length) {
await setData(path, arr); return {}; const newArr = new Uint8Array(size);
newArr.set(arr); arr = newArr;
}
await setData(path, utf8ArrayToString(arr.slice(0, size))); return {};
} }
}); });
@ -329,10 +335,12 @@ router["/extensions"] = {
router["/extensions/*/enabled"] = defineFile(async path => { router["/extensions/*/enabled"] = defineFile(async path => {
const parts = pathComponent(path, -2).split('_'); const extensionId = parts[parts.length - 1]; const parts = pathComponent(path, -2).split('_'); const extensionId = parts[parts.length - 1];
const info = await browser.management.get(extensionId); const info = await browser.management.get(extensionId);
return String(info.enabled); return String(info.enabled) + '\n';
}, async (path, buf) => { }, async (path, buf) => {
await browser.management.setEnabled(); console.log(buf);
const parts = pathComponent(path, -2).split('_'); const extensionId = parts[parts.length - 1];
await browser.management.setEnabled(extensionId, buf.trim() === "true");
}); });
// Ensure that there are routes for all ancestors. This algorithm is // Ensure that there are routes for all ancestors. This algorithm is