%% lppm.pl %% List Prolog Package Manager %% Starts server, uploads manifest files, installs repositories :- use_module(library(http/thread_httpd)). :- use_module(library(http/http_dispatch)). :- use_module(library(http/http_error)). :- use_module(library(http/html_write)). % we need this module from the HTTP client library for http_read_data :- use_module(library(http/http_client)). :- http_handler('/', web_form, []). :- include('la_strings.pl'). %:- include('la_strings.pl'). %% Move la_strings and the contents of the repository into the root folder lppm_start_server(Port) :- http_server(http_dispatch, [port(Port)]). /* browse http://127.0.0.1:8000/ This demonstrates handling POST requests */ web_form(_Request) :- reply_html_page( title('List Prolog Package Manager - Upload'), [ form([action='/landing', method='POST'], [ p([], [ label([for=user],'User: (e.g. "luciangreen")'), %% If you enter strings without double quotes and there is an internal server error please contact luciangreen@lucianacademy.com input([name=user, type=textarea]) ]), p([], [ label([for=repository],'Repository: (e.g. "File2List2Br")'), input([name=repository, type=textarea]) ]), p([], [ label([for=description],'Description: (e.g. "xyz")'), input([name=description, type=textarea]) ]), p([], [ label([for=dependencies],'Dependencies: (e.g. [["User","Repository"], ...] or [])'), input([name=dependencies, type=textarea]) ]), p([], input([name=submit, type=submit, value='Submit'], [])) ])]). :- http_handler('/landing', landing_pad, []). landing_pad(Request) :- member(method(post), Request), !, http_read_data(Request, Data, []), format('Content-type: text/html~n~n', []), format('
', []), %%writeln1(Data) %%lp(Data):- Data=[user=User1,repository=Repository1,description=Description1,dependencies=Dependencies1 ,submit=_], ((string1(User1),string1(Repository1),string1(Description1),term_to_atom(D2,Dependencies1),findall([B1,C1],(member(A,D2),A=[B,C],string(B),string(C),term_to_atom(B,B1),term_to_atom(C,C1)),Dependencies2),length(D2,F),length(Dependencies2,F))-> ( %%writeln1([User1,Repository1]), string_atom(User2,User1), %%writeln(User2), string_atom(Repository2,Repository1), string_atom(Description2,Description1), %%string_atom(Dependencies2,Dependencies1), %%lppm_get_manifest(User2,Repository2,Description,Dependencies), lppm_get_registry(LPPM_registry_term1), strip(User2,User3), strip(Repository2,Repository3), delete(LPPM_registry_term1,[User3,Repository3,_,_],LPPM_registry_term2), (LPPM_registry_term2=[]->LPPM_registry_term3=[[User2,Repository2,Description2,Dependencies2]];( term_to_atom(LPPM_registry_term2,LPPM_registry_term4), strip(LPPM_registry_term4,LPPM_registry_term4a), LPPM_registry_term5=[LPPM_registry_term4a], append(LPPM_registry_term5,[[User2,Repository2,Description2,Dependencies2]],LPPM_registry_term3))), %%portray_clause(LPPM_registry_term3), (open_s("lppm_registry.txt",write,Stream), %% string_codes(BrDict3), write(Stream,LPPM_registry_term3), close(Stream))) ;((writeln1("Error: One of strings was not in double quotes.")))), %%), %%portray_clause(Data), format('
========~n', []), %%portray_clause(Request), format('
') %% . string1(A) :- atom_string(A,B),string_codes(B,C),C=[34|_],reverse(C,D),D=[34|_]. lppm_get_registry(LPPM_registry_term1) :- catch(phrase_from_file_s(string(LPPM_registry_string), "lppm_registry.txt"),_,(writeln1("Error: Cannot find lppm_registry.txt"),abort)), term_to_atom(LPPM_registry_term1,LPPM_registry_string). %%strip2(A,B) :- strip(A,C),strip(C,B). strip(A,G) :- string_codes(A,C),C=[_|D], reverse(D,E),E=[_|F],reverse(F,H),string_codes(G,H). /** lppm_get_registry1(LPPM_registry_term1) :- catch(phrase_from_file_s(string(LPPM_registry_string), "lppm_registry1.txt"),_,(writeln1("Error: Cannot find lppm_registry1.txt"),abort)), term_to_atom(LPPM_registry_term1,LPPM_registry_string). **/ :- http_handler('/registry', registry, []). registry(_Request) :- %%member(method(post), Request), !, %%http_read_data(Request, _Data, []), format('Content-type: text/html~n~n', []), format('', []), writeln("List Prolog Package Manager Registry\n\nInstallation instructions:\n\n Install List Prolog Package Manager (LPPM) by downloading SWI-Prolog, downloading the List Prolog Package Manager from GitHub, loading LPPM with ['lppm']. then installing packages by running lppm_install(\"User\",\"Repository\"). LPPM will prompt you for an installation directory. The available repositories are below.\n"), catch(phrase_from_file_s(string(LPPM_registry_string), "lppm_registry.txt"),_,(writeln1("Cannot find lppm_registry.txt"),abort)), term_to_atom(LPPM_registry_term1,LPPM_registry_string), format('
| User/Repository | Description | Dependencies |
|---|---|---|
| ",User,"/",Repository," | "],Text1), string_atom(Text1,Text1a), format(Text1a, []), concat_list(["",Description," | "],Text2), string_atom(Text2,Text2a), format(Text2a, []), format('', []), findall(_,(member(Dependency,Dependencies),Dependency=[User1,Repository1],concat_list(["",User1,"/",Repository1," "],String1), string_atom(String1,Atom1), format(Atom1, [])),_), format(' | ', []), format('