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let mocklib = global.mocklib;
let byte = (str, off) => {
let v = ord(str, off);
return length(v) ? v[0] : v;
};
let hash = (s) => {
let h = 7;
for (let i = 0; i < length(s); i++)
h = h * 31 + byte(s, i);
return h;
};
let id = (config, t, n) => {
while (true) {
let id = sprintf('cfg%08x', hash(t + n));
if (!exists(config, id))
return id;
n++;
}
};
let fixup_config = (config) => {
let rv = {};
let n_section = 0;
for (let stype in config) {
switch (type(config[stype])) {
case 'object':
config[stype] = [ config[stype] ];
/* fall through */
case 'array':
for (let idx, sobj in config[stype]) {
let sid, anon;
if (exists(sobj, '.name') && !exists(rv, sobj['.name'])) {
sid = sobj['.name'];
anon = false;
}
else {
sid = id(rv, stype, idx);
anon = true;
}
rv[sid] = {
'.index': n_section++,
...sobj,
'.name': sid,
'.type': stype,
'.anonymous': anon
};
}
break;
}
}
for (let n, sid in sort(keys(rv), (a, b) => rv[a]['.index'] - rv[b]['.index']))
rv[sid]['.index'] = n;
return rv;
};
return {
cursor: () => ({
_configs: {},
load: function(file) {
let basename = replace(file, /^.+\//, ''),
path = sprintf("uci/%s.json", basename),
mock = mocklib.read_json_file(path);
if (!mock || mock != mock) {
mocklib.I("No configuration fixture defined for uci package %s.", file);
mocklib.I("Provide a mock configuration through the following JSON file:\n%s\n", path);
return null;
}
this._configs[basename] = fixup_config(mock);
},
_get_section: function(config, section) {
if (!exists(this._configs, config)) {
this.load(config);
if (!exists(this._configs, config))
return null;
}
let cfg = this._configs[config],
extended = match(section, "^@([A-Za-z0-9_-]+)\[(-?[0-9]+)\]$");
if (extended) {
let stype = extended[1],
sindex = +extended[2];
let sids = sort(
filter(keys(cfg), sid => cfg[sid]['.type'] == stype),
(a, b) => cfg[a]['.index'] - cfg[b]['.index']
);
if (sindex < 0)
sindex = sids.length + sindex;
return cfg[sids[sindex]];
}
return cfg[section];
},
get: function(config, section, option) {
let sobj = this._get_section(config, section);
if (option && index(option, ".") == 0)
return null;
else if (sobj && option)
return sobj[option];
else if (sobj)
return sobj[".type"];
},
get_all: function(config, section) {
return section ? this._get_section(config, section) : this._configs[config];
},
foreach: function(config, stype, cb) {
let rv = false;
if (exists(this._configs, config)) {
let cfg = this._configs[config],
sids = sort(keys(cfg), (a, b) => cfg[a]['.index'] - cfg[b]['.index']);
for (let i, sid in sids) {
if (stype == null || cfg[sid]['.type'] == stype) {
if (cb({ ...(cfg[sid]) }) === false)
break;
rv = true;
}
}
}
return rv;
}
})
};
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