class THttpCallArg: public TObject

 constructor

 destructor

 method used to get or set http header in the string buffer
 Header has following format:
   field1 : value1\r\n
   field2 : value2\r\n
 Such format corresponds to header format in HTTP requests

 method used to counter number of headers or returns name of specified header

 set data, posted with the request
 buffer should be allocated with malloc(length+1) call,
 while last byte will be set to 0
 Than one could use post data as null-terminated string

 set binary data, which will be returned as reply body

 set complete path of requested http element
 For instance, it could be "/folder/subfolder/get.bin"
 Here "/folder/subfolder/" is element path and "get.bin" requested file.
 One could set path and file name separately

 return specified header

 Set name: value pair to reply header
 Content-Type field handled separately - one should use SetContentType() method
 Content-Length field cannot be set at all;

 fill HTTP header

 compress reply data with gzip compression

 these methods used to set http request arguments

 set engine-specific top-name

 set request path name

 set request file name

 set name of authenticated user

 set request query

 set full set of request header

 returns number of fields in request header

 returns field name in request header

 get named field from request header

 returns engine-specific top-name

 returns request method like GET or POST

 returns kTRUE if post method is used

 return pointer on posted with request data

 return length of posted with request data

 returns path name from request URL

 returns file name from request URL

 return authenticated user name (0 - when no authentication)

 returns request query (string after ? in request URL)

 these methods used in THttpServer to set results of request processing

 mark reply as 404 error - page/request not exists

 indicate that http request should response with file content

 set content type as JSON

 set content type as JSON

 returns number of fields in header

 returns field name in header

 Set Content-Encoding header like gzip

 Set content directly

 Set kind of content zipping
 0 - none
 1 - only when supported in request header
 2 - if supported and content size bigger than 10K
 3 - always

 return kind of content zipping

 these methods used to return results of http request processing