exports.parseElisp = function(elisp) {
var startMatch = elisp.match(/^;;; ([^ ]*)\.el --- (.*)$/m);
if (!startMatch) throw new SyntaxError("No starting comment for package");
var filename = startMatch[1];
var desc = startMatch[2];
var endRx = new RegExp("^(\\(provide[^)]+\\) +)?;;; " +
util.regexpEscape(filename) +
"\\.el ends here", "m");
var endMatch = elisp.match(endRx);
if (!endMatch) throw new SyntaxError("No closing comment for package");
elisp = elisp.substring(startMatch.index, endMatch.index + endMatch[0].length);
var headers = getHeaders(elisp);
var requires = headers["package-requires"];
var version = stripRCS(headers["package-version"] ||
headers["version"]);
if (!version)
throw new SyntaxError('Package does not have a "Version" or ' +
'"Package-Version" header');
var commentary = getSection(elisp, /commentary|documentation/);
requires = parseRequires(requires);
version = parseVersion(version);
return {
_name: filename.toLowerCase(),
name: filename,
description: desc,
commentary: commentary,
headers: headers,
requires: requires,
version: version,
type: "single"
};
};
Backend.prototype.searchPackages = function(query, opt_fields, opt_opts) {
// TODO: Use an actual full-text search engine.
return this.packageStream(
{_name: new RegExp(util.regexpEscape(this.key(query)))},
opt_fields, opt_opts);
};