Appendix A: class CGI_INTERFACE
- indexing
- description: "Access to information provided by a user through an HTML form.
This class may be used as ancestor by classes needing its facilities."
- status: ""
- date: "$Date: 2007-03-30 19:10:11 +0000 (Fri, 30 Mar 2007) $"
- revision: "$Revision: 95354 $"
- deferred class interface
- CGI_INTERFACE
- feature -- Initialization
-
- make
-
-
-- Initiate input data parsing and process information.
- make_debug (args: ARRAY [STRING])
-
-
-- Set environment variables and proceed to regular execution.
- feature -- Access
-
- fields: ARRAY [STRING]
-
-
-- Names of fields in the form.
- value (field_name: STRING): STRING
-
-
-- First (unique?) value for a field.
- require
- field_not_void: field_name /= Void;
field_exists: field_defined (field_name)
- ensure
- value_exists: Result /= Void
- value_count (field_name: STRING): INTEGER
-
-
-- Number of values for a field.
- require
- field_not_void: field_name /= Void;
field_exists: field_defined (field_name)
- ensure
- valid_count: Result >= 0
- value_list (field_name: STRING): LINKED_LIST [STRING]
-
-
-- List of values for a field.
- require
- field_not_void: field_name /= Void;
field_exists: field_defined (field_name)
- ensure
- valid_count: Result.count = value_count (field_name)
- feature -- Status report
-
- field_defined (field_name: STRING): BOOLEAN
-
-
-- Is field field_name defined?
- feature -- Status setting
-
- set_exception_trace
-
-
-- Display exception trace on exception.
-
- set_message
-
-
-- Display error message on exception.
-
- set_no_debug
-
-
-- Do nothing on exception.
- feature -- HTTP facilities
-
- Generate_html_header
-
-
-- Generate CGI header reply.
- feature -- Miscellanous
-
- execute
-
-
-- Process user provided information.
- set_environment
-
-
-- Set environment variable to user value.
- end -- class CGI_INTERFACE
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