Automatic generation produced by ISE Eiffel
indexing description: "[ Access to command-line arguments. This class may be used as ancestor by classes needing its facilities. ]" status: "See notice at end of class" date: "$Date: 2001-11-16 20:32:23 +0000 (Fri, 16 Nov 2001) $" revision: "$Revision: 51435 $" class interface ARGUMENTS feature -- Access argument (i: INTEGER): STRING -- i-th argument of command that started system execution -- (the command name if i = 0) require index_large_enough: i >= 0 index_small_enough: i <= argument_count argument_array: ARRAY [STRING] -- Array containing command name (position 0) and arguments command_line: STRING -- Total command line ensure Result.count >= command_name.count command_name: STRING -- Name of command that started system execution ensure definition: Result.is_equal (argument (0)) feature -- Measurement argument_count: INTEGER -- Number of arguments given to command that started -- system execution (command name does not count) ensure Result >= 0 feature -- Status report coalesced_character_option_value (o: CHARACTER): STRING -- The value, if any, specified for character option o on -- the command line. -- Defined as follows (where 'X' is the current 'option_sign' and -- 'xx' is an arbitrary, possibly empty sequence of characters): -- val if command line includes an argument of the form Xxxoval -- (this may be an empty string if argument is just Xxxo). -- Void otherwise. require o_non_null: o /= '%U' coalesced_word_option_value (opt: STRING): STRING -- The value, if any, specified for word option opt on the -- command line. -- Defined as follows (where X is the current option_sign): -- val if command line includes an argument of the form Xoptval -- (this may be an empty string if argument is just Xopt). -- Void otherwise. require opt_non_void: opt /= void opt_meaningful: not opt.is_empty index_of_beginning_with_word_option (opt: STRING): INTEGER -- Does command line specify argument beginning with word -- option opt and, if so, at what position? -- If one of the arguments in list of space-separated arguments -- is Xoptxx, where X is the current option_sign, 'xx' -- is arbitrary, possibly empty sequence of characters, -- then index of this argument in list; -- else 0. require opt_non_void: opt /= void opt_meaningful: not opt.is_empty index_of_character_option (o: CHARACTER): INTEGER -- Does command line specify character option o and, if so, -- at what position? -- If one of the space-separated arguments is of the form Xxxoyy, -- where X is the current option_sign, xx and yy -- are arbitrary, possibly empty sequences of characters, -- then index of this argument in list of arguments; -- else 0. require o_non_null: o /= '%U' index_of_word_option (opt: STRING): INTEGER -- Does command line specify word option opt and, if so, -- at what position? -- If one of the arguments in list of space-separated arguments -- is Xopt, where X is the current option_sign, -- then index of this argument in list; -- else 0. require opt_non_void: opt /= void opt_meaningful: not opt.is_empty option_sign: CHARACTER_REF -- The character used to signal options on the command line. -- This can be '%U' if no sign is necesary for the argument -- to be an option -- Default is '-' separate_character_option_value (o: CHARACTER): STRING -- The value, if any, specified after character option o on -- the command line. -- This is one of the following (where X is the current -- option_sign, xx and 'yy' are arbitrary, possibly empty -- sequences of characters): -- val if command line includes two consecutive arguments -- of the form Xxxoyy and val respectively. -- Empty string if command line includes argument Xxxoyy, which is -- either last argument or followed by argument starting with X. -- Void if there is no argument of the form Xxxoyy. require o_non_null: o /= '%U' separate_word_option_value (opt: STRING): STRING -- The value, if any, specified after word option opt on the -- command line. -- This is one of the following (where X is the current option_sign): -- val if command line includes two consecutive arguments -- of the form Xopt and val respectively. -- Empty string if command line includes argument Xopt, which is -- either last argument or followed by argument starting with X. -- Void if no Xopt argument. require opt_non_void: opt /= void opt_meaningful: not opt.is_empty feature -- Status setting set_option_sign (c: CHARACTER) -- Make c the option sign. -- Use'%U' if no sign is necesary for the argument to -- be an option invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) indexing library: "[ EiffelBase: Library of reusable components for Eiffel. ]" status: "[ Copyright 1986-2001 Interactive Software Engineering (ISE). For ISE customers the original versions are an ISE product covered by the ISE Eiffel license and support agreements. ]" license: "[ EiffelBase may now be used by anyone as FREE SOFTWARE to develop any product, public-domain or commercial, without payment to ISE, under the terms of the ISE Free Eiffel Library License (IFELL) at http://eiffel.com/products/base/license.html. ]" source: "[ Interactive Software Engineering Inc. ISE Building 360 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Electronic mail <info@eiffel.com> Customer support http://support.eiffel.com ]" info: "[ For latest info see award-winning pages: http://eiffel.com ]" end -- class ARGUMENTS -- Generated by ISE Eiffel --
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