package httpx

const (
	slashChar          = '/'
	rChar              = '\r'
	nChar              = '\n'
	defaultServerName  = "fasthttp"
	defaultUserAgent   = "fasthttp"
	defaultContentType = "text/plain; charset=utf-8"
)

const (
	strSlashSlash               = "//"
	strSlashDotDot              = "/.."
	strSlashDotSlash            = "/./"
	strSlashDotDotSlash         = "/../"
	strBackSlashDotDot          = `\..`
	strBackSlashDotBackSlash    = `\.\`
	strSlashDotDotBackSlash     = `/..\`
	strBackSlashDotDotBackSlash = `\..\`
	strCRLF                     = "\r\n"
	strHTTP                     = "http"
	strHTTPS                    = "https"
	strHTTP10                   = "HTTP/1.0"
	strHTTP11                   = "HTTP/1.1"
	strColon                    = ":"
	strColonSlashSlash          = "://"
	strColonSpace               = ": "
	strCommaSpace               = ", "
	strGMT                      = "GMT"

	strResponseContinue = "HTTP/1.1 100 Continue\r\n\r\n"

	strExpect             = HeaderExpect
	strConnection         = HeaderConnection
	strContentLength      = HeaderContentLength
	strContentType        = HeaderContentType
	strDate               = HeaderDate
	strHost               = HeaderHost
	strReferer            = HeaderReferer
	strServer             = HeaderServer
	strTransferEncoding   = HeaderTransferEncoding
	strContentEncoding    = HeaderContentEncoding
	strAcceptEncoding     = HeaderAcceptEncoding
	strUserAgent          = HeaderUserAgent
	strCookie             = HeaderCookie
	strSetCookie          = HeaderSetCookie
	strLocation           = HeaderLocation
	strIfModifiedSince    = HeaderIfModifiedSince
	strLastModified       = HeaderLastModified
	strAcceptRanges       = HeaderAcceptRanges
	strRange              = HeaderRange
	strContentRange       = HeaderContentRange
	strAuthorization      = HeaderAuthorization
	strTE                 = HeaderTE
	strTrailer            = HeaderTrailer
	strMaxForwards        = HeaderMaxForwards
	strProxyConnection    = HeaderProxyConnection
	strProxyAuthenticate  = HeaderProxyAuthenticate
	strProxyAuthorization = HeaderProxyAuthorization
	strWWWAuthenticate    = HeaderWWWAuthenticate
	strVary               = HeaderVary

	strCookieExpires        = "expires"
	strCookieDomain         = "domain"
	strCookiePath           = "path"
	strCookieHTTPOnly       = "HttpOnly"
	strCookieSecure         = "secure"
	strCookieMaxAge         = "max-age"
	strCookieSameSite       = "SameSite"
	strCookieSameSiteLax    = "Lax"
	strCookieSameSiteStrict = "Strict"
	strCookieSameSiteNone   = "None"

	strClose               = "close"
	strGzip                = "gzip"
	strBr                  = "br"
	strDeflate             = "deflate"
	strKeepAlive           = "keep-alive"
	strUpgrade             = "Upgrade"
	strChunked             = "chunked"
	strIdentity            = "identity"
	str100Continue         = "100-continue"
	strPostArgsContentType = "application/x-www-form-urlencoded"
	strDefaultContentType  = "application/octet-stream"
	strMultipartFormData   = "multipart/form-data"
	strBoundary            = "boundary"
	strBytes               = "bytes"
	strBasicSpace          = "Basic "

	strApplicationSlash = "application/"
	strImageSVG         = "image/svg"
	strImageIcon        = "image/x-icon"
	strFontSlash        = "font/"
	strMultipartSlash   = "multipart/"
	strTextSlash        = "text/"
)

// Headers.
const (
	// Authentication.
	HeaderAuthorization      = "Authorization"
	HeaderProxyAuthenticate  = "Proxy-Authenticate"
	HeaderProxyAuthorization = "Proxy-Authorization"
	HeaderWWWAuthenticate    = "WWW-Authenticate"

	// Caching.
	HeaderAge           = "Age"
	HeaderCacheControl  = "Cache-Control"
	HeaderClearSiteData = "Clear-Site-Data"
	HeaderExpires       = "Expires"
	HeaderPragma        = "Pragma"
	HeaderWarning       = "Warning"

	// Client hints.
	HeaderAcceptCH         = "Accept-CH"
	HeaderAcceptCHLifetime = "Accept-CH-Lifetime"
	HeaderContentDPR       = "Content-DPR"
	HeaderDPR              = "DPR"
	HeaderEarlyData        = "Early-Data"
	HeaderSaveData         = "Save-Data"
	HeaderViewportWidth    = "Viewport-Width"
	HeaderWidth            = "Width"

	// Conditionals.
	HeaderETag              = "ETag"
	HeaderIfMatch           = "If-Match"
	HeaderIfModifiedSince   = "If-Modified-Since"
	HeaderIfNoneMatch       = "If-None-Match"
	HeaderIfUnmodifiedSince = "If-Unmodified-Since"
	HeaderLastModified      = "Last-Modified"
	HeaderVary              = "Vary"

	// Connection management.
	HeaderConnection      = "Connection"
	HeaderKeepAlive       = "Keep-Alive"
	HeaderProxyConnection = "Proxy-Connection"

	// Content negotiation.
	HeaderAccept         = "Accept"
	HeaderAcceptCharset  = "Accept-Charset"
	HeaderAcceptEncoding = "Accept-Encoding"
	HeaderAcceptLanguage = "Accept-Language"

	// Controls.
	HeaderCookie      = "Cookie"
	HeaderExpect      = "Expect"
	HeaderMaxForwards = "Max-Forwards"
	HeaderSetCookie   = "Set-Cookie"

	// CORS.
	HeaderAccessControlAllowCredentials = "Access-Control-Allow-Credentials"
	HeaderAccessControlAllowHeaders     = "Access-Control-Allow-Headers"
	HeaderAccessControlAllowMethods     = "Access-Control-Allow-Methods"
	HeaderAccessControlAllowOrigin      = "Access-Control-Allow-Origin"
	HeaderAccessControlExposeHeaders    = "Access-Control-Expose-Headers"
	HeaderAccessControlMaxAge           = "Access-Control-Max-Age"
	HeaderAccessControlRequestHeaders   = "Access-Control-Request-Headers"
	HeaderAccessControlRequestMethod    = "Access-Control-Request-Method"
	HeaderOrigin                        = "Origin"
	HeaderTimingAllowOrigin             = "Timing-Allow-Origin"
	HeaderXPermittedCrossDomainPolicies = "X-Permitted-Cross-Domain-Policies"

	// Do Not Track.
	HeaderDNT = "DNT"
	HeaderTk  = "Tk"

	// Downloads.
	HeaderContentDisposition = "Content-Disposition"

	// Message body information.
	HeaderContentEncoding = "Content-Encoding"
	HeaderContentLanguage = "Content-Language"
	HeaderContentLength   = "Content-Length"
	HeaderContentLocation = "Content-Location"
	HeaderContentType     = "Content-Type"

	// Proxies.
	HeaderForwarded       = "Forwarded"
	HeaderVia             = "Via"
	HeaderXForwardedFor   = "X-Forwarded-For"
	HeaderXForwardedHost  = "X-Forwarded-Host"
	HeaderXForwardedProto = "X-Forwarded-Proto"

	// Redirects.
	HeaderLocation = "Location"

	// Request context.
	HeaderFrom           = "From"
	HeaderHost           = "Host"
	HeaderReferer        = "Referer"
	HeaderReferrerPolicy = "Referrer-Policy"
	HeaderUserAgent      = "User-Agent"

	// Response context.
	HeaderAllow  = "Allow"
	HeaderServer = "Server"

	// Range requests.
	HeaderAcceptRanges = "Accept-Ranges"
	HeaderContentRange = "Content-Range"
	HeaderIfRange      = "If-Range"
	HeaderRange        = "Range"

	// Security.
	HeaderContentSecurityPolicy           = "Content-Security-Policy"
	HeaderContentSecurityPolicyReportOnly = "Content-Security-Policy-Report-Only"
	HeaderCrossOriginResourcePolicy       = "Cross-Origin-Resource-Policy"
	HeaderExpectCT                        = "Expect-CT"
	HeaderFeaturePolicy                   = "Feature-Policy"
	HeaderPublicKeyPins                   = "Public-Key-Pins"
	HeaderPublicKeyPinsReportOnly         = "Public-Key-Pins-Report-Only"
	HeaderStrictTransportSecurity         = "Strict-Transport-Security"
	HeaderUpgradeInsecureRequests         = "Upgrade-Insecure-Requests"
	HeaderXContentTypeOptions             = "X-Content-Type-Options"
	HeaderXDownloadOptions                = "X-Download-Options"
	HeaderXFrameOptions                   = "X-Frame-Options"
	HeaderXPoweredBy                      = "X-Powered-By"
	HeaderXXSSProtection                  = "X-XSS-Protection"

	// Server-sent event.
	HeaderLastEventID = "Last-Event-ID"
	HeaderNEL         = "NEL"
	HeaderPingFrom    = "Ping-From"
	HeaderPingTo      = "Ping-To"
	HeaderReportTo    = "Report-To"

	// Transfer coding.
	HeaderTE               = "TE"
	HeaderTrailer          = "Trailer"
	HeaderTransferEncoding = "Transfer-Encoding"

	// WebSockets.
	HeaderSecWebSocketAccept     = "Sec-WebSocket-Accept"
	HeaderSecWebSocketExtensions = "Sec-WebSocket-Extensions" /* #nosec G101 */
	HeaderSecWebSocketKey        = "Sec-WebSocket-Key"
	HeaderSecWebSocketProtocol   = "Sec-WebSocket-Protocol"
	HeaderSecWebSocketVersion    = "Sec-WebSocket-Version"

	// Other.
	HeaderAcceptPatch         = "Accept-Patch"
	HeaderAcceptPushPolicy    = "Accept-Push-Policy"
	HeaderAcceptSignature     = "Accept-Signature"
	HeaderAltSvc              = "Alt-Svc"
	HeaderDate                = "Date"
	HeaderIndex               = "Index"
	HeaderLargeAllocation     = "Large-Allocation"
	HeaderLink                = "Link"
	HeaderPushPolicy          = "Push-Policy"
	HeaderRetryAfter          = "Retry-After"
	HeaderServerTiming        = "Server-Timing"
	HeaderSignature           = "Signature"
	HeaderSignedHeaders       = "Signed-Headers"
	HeaderSourceMap           = "SourceMap"
	HeaderUpgrade             = "Upgrade"
	HeaderXDNSPrefetchControl = "X-DNS-Prefetch-Control"
	HeaderXPingback           = "X-Pingback"
	HeaderXRequestedWith      = "X-Requested-With"
	HeaderXRobotsTag          = "X-Robots-Tag"
	HeaderXUACompatible       = "X-UA-Compatible"
)

// Probably replace these with short functions to take up less program memory
const (
	hex2intTable                = "\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x00\x01\x02\x03\x04\x05\x06\a\b\t\x10\x10\x10\x10\x10\x10\x10\n\v\f\r\x0e\x0f\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\n\v\f\r\x0e\x0f\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10"
	toLowerTable                = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
	toUpperTable                = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
	quotedArgShouldEscapeTable  = "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x01\x01\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x01\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"
	quotedPathShouldEscapeTable = "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00\x01\x00\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x01\x01\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x01\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"
)