IQFeedSecurityParser

ParseFromFileAsync

public static IAsyncEnumerable<SecurityMessage> ParseFromFileAsync(string filePath, HashSet<SecurityTypes> securityTypes, long? maxCount)

result = IQFeedSecurityParser.ParseFromFileAsync(filePath, securityTypes, maxCount)

Parse securities from local file.

filePath

Path to local zip file.

securityTypes

Filter by security types. If null or empty, all types are returned.

maxCount

Maximum number of securities to return. If null, all securities are returned.

Returns: Async enumerable of parsed securities.

ParseFromUrlAsync

public static IAsyncEnumerable<SecurityMessage> ParseFromUrlAsync(string url, HashSet<SecurityTypes> securityTypes, long? maxCount)

result = IQFeedSecurityParser.ParseFromUrlAsync(url, securityTypes, maxCount)

Download and parse securities from URL.

url

URL to download zip file from. If null, DefaultSecuritiesUrl is used.

securityTypes

Filter by security types. If null or empty, all types are returned.

maxCount

Maximum number of securities to return. If null, all securities are returned.

Returns: Async enumerable of parsed securities.

ParseLine

public static SecurityMessage ParseLine(string line)

result = IQFeedSecurityParser.ParseLine(line)

Parse single line from the securities file.

line

Tab-separated line.

Returns: Parsed SecurityMessage or null if line is invalid.

ToSecurityType

public static SecurityTypes? ToSecurityType(string value)

result = IQFeedSecurityParser.ToSecurityType(value)

Convert security type string to SecurityTypes.

value

Security type string from IQFeed.

Returns: Security type or null if unknown.

DefaultSecuritiesUrl

public const string DefaultSecuritiesUrl

value = IQFeedSecurityParser.DefaultSecuritiesUrl

Default URL for downloading securities file.

FileName

public const string FileName

value = IQFeedSecurityParser.FileName

File name inside the zip archive.