92 lines
2.7 KiB
Perl
92 lines
2.7 KiB
Perl
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% #!/bin/sh
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% exec /usr/local/bin/ciao_shell $0 $*
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:- use_package(pillow).
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:- use_module(library(aggregates)).
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main :-
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get_form_input(Info),
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get_form_value(Info,mood,Mood0),
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get_form_value(Info,potatoes,Potatoes),
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get_form_value(Info,pizza,Pizza),
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get_form_value(Info,coke,Coke),
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get_form_value(Info,pass,Password),
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get_form_value(Info,text,Text),
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get_form_value(Info,menu1,Number),
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findall(Color,member(menu2=Color,Info),Colors),
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compute_reply(Mood0,Potatoes,Pizza,Coke,Password,Text,Number,Colors,Reply),
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form_default(Mood0,happy,Mood),
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output_html([
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cgi_reply,
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start,
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title('Sample Form generated from Prolog'),
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h1('Sample HTML form'),
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Reply,
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--,
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h2('This is a form:'),
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start_form,
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'Please select mood:',
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radio(mood,happy,Mood),nl,
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image('http://www.clip.dia.fi.upm.es/images/smile.happy.gif',
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[align=middle]),
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nl,
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radio(mood,sad,Mood),nl,
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image('http://www.clip.dia.fi.upm.es/images/smile.sad.gif',
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[align=middle]),
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$,
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'What ',strong(do),' you want?',\\,
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checkbox(potatoes,Potatoes), 'Potato(e)s',\\,
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checkbox(pizza,Pizza), 'Pizza',\\,
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checkbox(coke,Coke), 'Coke',
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$,
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'Write here a password:',nl,
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input(password,[name=pass,size=9,maxlength=8]),$,
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textinput(text,[rows=5,cols=20],"Write here something"),$,
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'You can choose here: ', menu(menu1,[],[one,$two,three]),nl,
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'Also here: ', menu(menu2,[multiple],[$red,$green,blue]),$,
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input(submit,[value='Send values']),nl,
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input(reset,[value='Reset values']),
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end_form,
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--,
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address('clip@dia.fi.upm.es'),
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end]).
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compute_reply('',_,_,_,_,_,_,_,'') :- !.
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compute_reply(Mood,Potatoes,Pizza,Coke,Passwd0,Text0,Number,Colors0,Reply) :-
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compute_food(Potatoes,Pizza,Coke,Food),
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compute_text(Text0,Text),
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compute_password(Passwd0,Passwd),
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compute_colors(Colors0,Colors),
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Reply = [
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--,
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heading(2,'Submitted data:'),
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'You are ',strong(Mood),'.',\\,
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'You want ',strong(Food),\\,
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'The password is ',tt(verbatim(Passwd)),'.',\\,
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'In the text area you wrote: ',Text,$,
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'You chose number ',tt(Number),' and color(s):',
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preformatted(Colors)].
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compute_food('','','','no food.').
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compute_food(on,'','','potatoes.').
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compute_food('',on,'','pizza.').
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compute_food('','',on,'coke.').
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compute_food(on,on,'','potatoes and pizza.').
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compute_food('',on,on,'pizza with coke.').
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compute_food(on,'',on,'potatoes with coke.').
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compute_food(on,on,on,'potatoes and pizza with coke.').
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compute_text(T0,T) :-
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form_empty_value(T0), !,
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T = '{Nothing}'.
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compute_text(T,preformatted(T)).
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compute_password(P0,P) :-
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P0 = '$empty' -> P = '{none}'; P = P0.
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compute_colors(C0,C) :-
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C0 = [] -> C = [none] ; C = C0.
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