nsIURLParser specifies the interface to an URL parser that attempts to
follow the definitions of RFC 2396.
The string to parse in the following methods may be given as a null
terminated string, in which case the length argument should be -1.
Out parameters of the following methods are all optional (ie. the caller
may pass-in a NULL value if the corresponding results are not needed).
Signed out parameters may hold a value of -1 if the corresponding result
is not part of the string being parsed.
The parsing routines attempt to be as forgiving as possible.
ParseSpec breaks the URL string up into its 3 major components: a scheme,
an authority section (hostname, etc.), and a path.
spec =
ParseAuthority breaks the authority string up into its 4 components:
username, password, hostname, and hostport.
auth =
userinfo =
serverinfo =
ParsePath breaks the path string up into its 3 major components: a file path,
a query string, and a reference string.
ParseFilePath breaks the file path string up into: the directory portion,
file base name, and file extension.
filepath =
filename =