mssql2

url = require 'url' qs = require 'querystring' IGNORE_KEYS = ['stream'] parseConnectionURI = (uri) -> parsed = url.parse uri path = parsed.pathname.substr(1).split '/' if path.length > 1 instance = path.shift() if parsed.auth parsed.auth = parsed.auth.split ':' user = parsed.auth.shift() password = parsed.auth.join ':' object = server: "#{parsed.hostname}#{if parsed.port then ",#{parsed.port}" else if instance then "\\#{instance}" else ""}" uid: user or '' pwd: password or '' database: path[0] if parsed.query for key, value of qs.parse parsed.query if key is 'domain' object.uid = "#{value}\\#{object.uid}" else object[key] = value Object.defineProperty object, 'toString', value: -> ("#{key}={#{value}}" for key, value of @ when key not in IGNORE_KEYS).join ';' object parseConnectionString = (string) -> cursor = 0 parsing = 'name' param = null buffer = '' quotes = null parsed = {} original = {} Object.defineProperty parsed, '__original__', value: original Object.defineProperty parsed, 'toString', value: -> ("#{original[key].name}=#{original[key].escape?[0] ? ''}#{value}#{original[key].escape?[1] ? ''}" for key, value of @ when key not in IGNORE_KEYS).join ';' while cursor < string.length char = string.charAt cursor switch char when '=' if parsing is 'name' buffer = buffer.trim() param = buffer.toLowerCase() original[param] = name: buffer parsing = 'value' buffer = '' else buffer += char when '\'', '"' if parsing is 'value' if not buffer.trim().length # value is wrapped in qotes original[param].escape = [char, char] quotes = char buffer = '' else if quotes if char is quotes # found same char as used for wrapping quotes if char is string.charAt cursor + 1 # escaped quote buffer += char cursor++ else # end of value parsed[param] = buffer param = null parsing = null buffer = '' quotes = null else buffer += char else buffer += char else throw new Error "Invalid connection string." when '{' if parsing is 'value' if not buffer.trim().length # value is wrapped in qotes original[param].escape = ['{', '}'] quotes = '{}' buffer = '' else buffer += char else throw new Error "Invalid connection string." when '}' if parsing is 'value' if quotes is '{}' # end of value parsed[param] = buffer param = null parsing = null buffer = '' quotes = null else buffer += char else throw new Error "Invalid connection string." when ';' if parsing is 'value' if quotes buffer += char else # end of value parsed[param] = buffer param = null parsing = 'name' buffer = '' else buffer = '' parsing = 'name' else buffer += char cursor++ if parsing is 'value' # end of value parsed[param] = buffer parsed resolveConnectionString = (string) -> if (/^(mssql|tedious|msnodesql|tds)\:\/\//i).test string parsed = parseConnectionURI string else parsed = parseConnectionString string if parsed.driver is 'msnodesql' parsed.driver = 'SQL Server Native Client 11.0' parsed.__original__?.driver = name: 'Driver', escape: ['{', '}'] return driver: 'msnodesql', connectionString: parsed.toString() user = parsed.uid ? parsed['user id'] server = parsed.server ? parsed.address ? parsed.addr ? parsed['data source'] ? parsed['network address'] config = driver: parsed.driver password: parsed.pwd ? parsed.password database: parsed.database ? parsed['initial catalog'] connectionTimeout: parsed.connectionTimeout ? parsed.timeout ? parsed['connect timeout'] ? parsed['connection timeout'] requestTimeout: parsed.requestTimeout ? parsed['request timeout'] stream: parsed.stream?.toLowerCase() in ['true', 'yes', '1'] options: encrypt: parsed.encrypt?.toLowerCase() in ['true', 'yes', '1'] if parsed.useUTC? then config.options.useUTC = parsed.useUTC.toLowerCase() in ['true', 'yes', '1'] if config.connectionTimeout? then config.connectionTimeout = parseInt config.connectionTimeout if config.requestTimeout? then config.requestTimeout = parseInt config.requestTimeout if (/^(.*)\\(.*)$/).exec user config.domain = RegExp.$1 user = RegExp.$2 if server server = server.trim() if (/^np\:/i).test server throw new Error "Connection via Named Pipes is not supported." if (/^tcp\:/i).test server server = server.substr 4 if (/^(.*)\\(.*)$/).exec server server = RegExp.$1 config.options.instanceName = RegExp.$2 if (/^(.*),(.*)$/).exec server server = RegExp.$1.trim() config.port = parseInt RegExp.$2.trim() if server.toLowerCase() in ['.', '(.)', '(localdb)', '(local)'] server = 'localhost' config.user = user config.server = server config module.exports = parse: parseConnectionString resolve: resolveConnectionString