diff options
Diffstat (limited to 'vendor/github.com/avct/uasurfer/uasurfer.go')
| -rw-r--r-- | vendor/github.com/avct/uasurfer/uasurfer.go | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/vendor/github.com/avct/uasurfer/uasurfer.go b/vendor/github.com/avct/uasurfer/uasurfer.go deleted file mode 100644 index 15aac6d40..000000000 --- a/vendor/github.com/avct/uasurfer/uasurfer.go +++ /dev/null @@ -1,227 +0,0 @@ -// Package uasurfer provides fast and reliable abstraction -// of HTTP User-Agent strings. The philosophy is to identify -// technologies that holds >1% market share, and to avoid -// expending resources and accuracy on guessing at esoteric UA -// strings. -package uasurfer - -import "strings" - -//go:generate stringer -type=DeviceType,BrowserName,OSName,Platform -output=const_string.go - -// DeviceType (int) returns a constant. -type DeviceType int - -// A complete list of supported devices in the -// form of constants. -const ( - DeviceUnknown DeviceType = iota - DeviceComputer - DeviceTablet - DevicePhone - DeviceConsole - DeviceWearable - DeviceTV -) - -// BrowserName (int) returns a constant. -type BrowserName int - -// A complete list of supported web browsers in the -// form of constants. -const ( - BrowserUnknown BrowserName = iota - BrowserChrome - BrowserIE - BrowserSafari - BrowserFirefox - BrowserAndroid - BrowserOpera - BrowserBlackberry - BrowserUCBrowser - BrowserSilk - BrowserNokia - BrowserNetFront - BrowserQQ - BrowserMaxthon - BrowserSogouExplorer - BrowserSpotify - BrowserBot // Bot list begins here - BrowserAppleBot - BrowserBaiduBot - BrowserBingBot - BrowserDuckDuckGoBot - BrowserFacebookBot - BrowserGoogleBot - BrowserLinkedInBot - BrowserMsnBot - BrowserPingdomBot - BrowserTwitterBot - BrowserYandexBot - BrowserYahooBot // Bot list ends here -) - -// OSName (int) returns a constant. -type OSName int - -// A complete list of supported OSes in the -// form of constants. For handling particular versions -// of operating systems (e.g. Windows 2000), see -// the README.md file. -const ( - OSUnknown OSName = iota - OSWindowsPhone - OSWindows - OSMacOSX - OSiOS - OSAndroid - OSBlackberry - OSChromeOS - OSKindle - OSWebOS - OSLinux - OSPlaystation - OSXbox - OSNintendo - OSBot -) - -// Platform (int) returns a constant. -type Platform int - -// A complete list of supported platforms in the -// form of constants. Many OSes report their -// true platform, such as Android OS being Linux -// platform. -const ( - PlatformUnknown Platform = iota - PlatformWindows - PlatformMac - PlatformLinux - PlatformiPad - PlatformiPhone - PlatformiPod - PlatformBlackberry - PlatformWindowsPhone - PlatformPlaystation - PlatformXbox - PlatformNintendo - PlatformBot -) - -type Version struct { - Major int - Minor int - Patch int -} - -func (v Version) Less(c Version) bool { - if v.Major < c.Major { - return true - } - - if v.Major > c.Major { - return false - } - - if v.Minor < c.Minor { - return true - } - - if v.Minor > c.Minor { - return false - } - - return v.Patch < c.Patch -} - -type UserAgent struct { - Browser Browser - OS OS - DeviceType DeviceType -} - -type Browser struct { - Name BrowserName - Version Version -} - -type OS struct { - Platform Platform - Name OSName - Version Version -} - -// Reset resets the UserAgent to it's zero value -func (ua *UserAgent) Reset() { - ua.Browser = Browser{} - ua.OS = OS{} - ua.DeviceType = DeviceUnknown -} - -// Parse accepts a raw user agent (string) and returns the UserAgent. -func Parse(ua string) *UserAgent { - dest := new(UserAgent) - parse(ua, dest) - return dest -} - -// ParseUserAgent is the same as Parse, but populates the supplied UserAgent. -// It is the caller's responsibility to call Reset() on the UserAgent before -// passing it to this function. -func ParseUserAgent(ua string, dest *UserAgent) { - parse(ua, dest) -} - -func parse(ua string, dest *UserAgent) { - ua = normalise(ua) - switch { - case len(ua) == 0: - dest.OS.Platform = PlatformUnknown - dest.OS.Name = OSUnknown - dest.Browser.Name = BrowserUnknown - dest.DeviceType = DeviceUnknown - - // stop on on first case returning true - case dest.evalOS(ua): - case dest.evalBrowserName(ua): - default: - dest.evalBrowserVersion(ua) - dest.evalDevice(ua) - } -} - -// normalise normalises the user supplied agent string so that -// we can more easily parse it. -func normalise(ua string) string { - if len(ua) <= 1024 { - var buf [1024]byte - ascii := copyLower(buf[:len(ua)], ua) - if !ascii { - // Fall back for non ascii characters - return strings.ToLower(ua) - } - return string(buf[:len(ua)]) - } - // Fallback for unusually long strings - return strings.ToLower(ua) -} - -// copyLower copies a lowercase version of s to b. It assumes s contains only single byte characters -// and will panic if b is nil or is not long enough to contain all the bytes from s. -// It returns early with false if any characters were non ascii. -func copyLower(b []byte, s string) bool { - for j := 0; j < len(s); j++ { - c := s[j] - if c > 127 { - return false - } - - if 'A' <= c && c <= 'Z' { - c += 'a' - 'A' - } - - b[j] = c - } - return true -} |