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Manually set getattr op. Fixes text file.

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This commit is contained in:
Omar Rizwan 2020-10-29 23:16:06 -07:00
parent 76efd118e0
commit f576b4c324
1 changed files with 29 additions and 1 deletions
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30
extension/background.js
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@ -44,6 +44,17 @@ function pathComponent(path, i) {
function sanitize(s) {
return s.replace(/[^A-Za-z0-9_\-\.]/gm, '_');
}
function stringSize(str) {
// returns the byte length of an utf8 string
var s = str.length;
for (var i=str.length-1; i>=0; i--) {
var code = str.charCodeAt(i);
if (code > 0x7f && code <= 0x7ff) s++;
else if (code > 0x7ff && code <= 0xffff) s+=2;
if (code >= 0xDC00 && code <= 0xDFFF) i--; //trail surrogate
}
return s + 1;
}
/* if I could specify a custom editor interface for all the routing
below ... I would highlight the route names in blocks of some color
@ -53,6 +64,14 @@ const router = {};
function withTab(handler) {
return {
async getattr(path) {
const tab = await browser.tabs.get(parseInt(pathComponent(path, -2)));
return {
st_mode: unix.S_IFREG | 0444,
st_nlink: 1,
st_size: stringSize(handler(tab))
};
},
async read(path, fh, size, offset) {
const tab = await browser.tabs.get(parseInt(pathComponent(path, -2)));
return handler(tab).substr(offset, size);
@ -61,9 +80,18 @@ function withTab(handler) {
}
function fromScript(code) {
return {
async getattr(path) {
const tabId = parseInt(pathComponent(path, -2));
return {
st_mode: unix.S_IFREG | 0444,
st_nlink: 1,
st_size: stringSize((await browser.tabs.executeScript(tabId, {code}))[0])
};
},
async read(path, fh, size, offset) {
const tabId = parseInt(pathComponent(path, -2));
return browser.tabs.executeScript(tabId, {code}).substr(offset, size);
return (await browser.tabs.executeScript(tabId, {code}))[0]
.substr(offset, size);
}
};
}