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'use strict';
exports.parse = function(aSource) {
var headers = {};
var foundMeta = false;
var line;
// do not 'optimize' by reusing this reg exp! it should not be reused!
var metaRegExp = /\/\/[ \t]*(?:==(\/?UserScript)==|\@(\S+)(?:[ \t]+([^\r\f\n]+))?)/g;
// read one line at a time looking for start meta delimiter or EOF
while (line = metaRegExp.exec(aSource)) {
if (line[1]) {
if ("userscript" == line[1].toLowerCase()) {
foundMeta = true; // start
continue;
} else {
break; // done
}
}
if (!foundMeta) continue;
var header = line[2].toLowerCase();
var value = line[3];
if (!headers[header]) headers[header] = [value];
else headers[header].push(value);
}
return headers;
};
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