https://github.com/kfl/webserver-functor

Example code demonstrating how SML modules, in particular functors, can be used for structuring a web framework.
https://github.com/kfl/webserver-functor

Last synced: 5 months ago
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Example code demonstrating how SML modules, in particular functors, can be used for structuring a web framework.

• Host: GitHub
• URL: https://github.com/kfl/webserver-functor
• Owner: kfl
• Created: 2014-02-26T13:16:56.000Z (over 12 years ago)
• Default Branch: master
• Last Pushed: 2014-02-26T13:17:17.000Z (over 12 years ago)
• Last Synced: 2025-06-10T10:49:12.640Z (about 1 year ago)
• Language: Standard ML
• Size: 102 KB
• Stars: 13
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
App Webserver As a Functor

==========================

Example code demonstrating how SML modules, in particular functors,

can be used for structuring a web framework.

The code in its current state is only useful for demonstration, it is

**not** ready for production. Also, it's probably a bit far fetched to

call the current code a "framework".

Architecture

------------

The overall idea is that you make a web-application by implementing a

structure, say `App`, with the signature `WebApp`. Then you give `App`

to a functor which will then take care of creating a web server (or in

communicate with one).

The framework consists of two files:

* `HtmlUtils.sml` contains a structure `HtmlUtils` where the type

  `reply` for HTTP replies is declared, the module also contains some

  simple-mined (read inefficient) utility functions for creating HTML

  pages.

* `WebServerFct.sml` contains the signature `WebApp` and the functor

  `WebServerFct`.

Examples

--------

Compile the examples with the command:

~~~

$ mosmlc -toplevel HtmlUtils.sml WebServerFct.sml App.sml -o appserver

~~~

Where `App.sml` is the example you want to compile.

* `CountingEcho.sml` an echo server, that also counts how many

  times it has been called.

* `PhonebookApp.sml` an phonebook with shared state across clients.

   Uses an in-memory "database" implemented as a list.

   Shows how to deal (rudimentary) with the query

   path of an URL ().