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import React, { useContext } from "react";
import cockpit from 'cockpit';
import { debounce } from 'throttle-debounce';
import * as dfnlocales from 'date-fns/locale';
import { formatRelative } from 'date-fns';
const _ = cockpit.gettext;
export const PodmanInfoContext = React.createContext();
export const usePodmanInfo = () => useContext(PodmanInfoContext);
export const WithPodmanInfo = ({ value, children }) => {
return (
<PodmanInfoContext.Provider value={value}>
{children}
</PodmanInfoContext.Provider>
);
};
// https://github.com/containers/podman/blob/main/libpod/define/containerstate.go
// "Restarting" comes from special handling of restart case in Application.updateContainer()
export const states = [_("Exited"), _("Paused"), _("Stopped"), _("Removing"), _("Configured"), _("Created"), _("Restart"), _("Running")];
// https://github.com/containers/podman/blob/main/libpod/define/podstate.go
export const podStates = [_("Created"), _("Running"), _("Stopped"), _("Paused"), _("Exited"), _("Error")];
export const fallbackRegistries = ["docker.io", "quay.io"];
export function debug(system, ...args) {
if (window.debugging === "all" || window.debugging?.includes("podman"))
console.debug("podman", system ? "system" : "user", ...args);
}
export function truncate_id(id) {
if (!id) {
return "";
}
return id.substr(0, 12);
}
export function localize_time(unix_timestamp) {
const locale = (cockpit.language == "en") ? dfnlocales.enUS : dfnlocales[cockpit.language.replace('_', '')];
return formatRelative(unix_timestamp * 1000, Date.now(), { locale });
}
export function format_memory_and_limit(usage, limit) {
if (usage === undefined || isNaN(usage))
return "";
let mtext = "";
let units = 1000;
let parts;
if (limit) {
parts = cockpit.format_bytes(limit, units, true);
mtext = " / " + parts.join(" ");
units = parts[1];
}
if (usage) {
parts = cockpit.format_bytes(usage, units, true);
if (mtext)
return _(parts[0] + mtext);
else
return _(parts.join(" "));
} else {
return "";
}
}
/*
* The functions quote_cmdline and unquote_cmdline implement
* a simple shell-like quoting syntax. They are used when letting the
* user edit a sequence of words as a single string.
*
* When parsing, words are separated by whitespace. Single and double
* quotes can be used to protect a sequence of characters that
* contains whitespace or the other quote character. A backslash can
* be used to protect any character. Quotes can appear in the middle
* of a word.
*/
export function quote_cmdline(words) {
words = words || [];
function is_whitespace(c) {
return c == ' ';
}
function quote(word) {
let text = "";
let quote_char = "";
let i;
for (i = 0; i < word.length; i++) {
if (word[i] == '\\' || word[i] == quote_char)
text += '\\';
else if (quote_char === "") {
if (word[i] == "'" || is_whitespace(word[i]))
quote_char = '"';
else if (word[i] == '"')
quote_char = "'";
}
text += word[i];
}
return quote_char + text + quote_char;
}
return words.map(quote).join(' ');
}
export function unquote_cmdline(text) {
const words = [];
let next;
function is_whitespace(c) {
return c == ' ';
}
function skip_whitespace() {
while (next < text.length && is_whitespace(text[next]))
next++;
}
function parse_word() {
let word = "";
let quote_char = null;
while (next < text.length) {
if (text[next] == '\\') {
next++;
if (next < text.length) {
word += text[next];
}
} else if (text[next] == quote_char) {
quote_char = null;
} else if (quote_char) {
word += text[next];
} else if (text[next] == '"' || text[next] == "'") {
quote_char = text[next];
} else if (is_whitespace(text[next])) {
break;
} else
word += text[next];
next++;
}
return word;
}
next = 0;
skip_whitespace();
while (next < text.length) {
words.push(parse_word());
skip_whitespace();
}
return words;
}
export function image_name(image) {
return image.RepoTags ? image.RepoTags[0] : "<none>:<none>";
}
export function is_valid_container_name(name) {
return /^[a-zA-Z0-9][a-zA-Z0-9_\\.-]*$/.test(name);
}
/* Clears a single field in validationFailed object.
*
* Arguments:
* - validationFailed (object): Object containing list of fields with validation error
* - key (string): Specified which field from validationFailed object is clear
* - onValidationChange (func)
*/
export const validationClear = (validationFailed, key, onValidationChange) => {
if (!validationFailed)
return;
const delta = { ...validationFailed };
delete delta[key];
onValidationChange(delta);
};
// This method needs to be outside of component as re-render would create a new instance of debounce
export const validationDebounce = debounce(500, (validationHandler) => validationHandler());
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