AOLserver and Tcl Crash Course
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The following is a working draft in progress for an introductory guide to AOLserver and Tcl.
ADP Pages
Hello <Yourname> - Simple page, user submits form, displays name
ADP example
hello-world.adp:
<% set name [ns_queryget name "world"] %> <html> <head> <title>Hello <%= [ns_quotehtml $name] %>!</title> </head> <body> <p>Hello <%= [ns_quotehtml $name] %>!</p> <form> <p>Name: <input name="name" value="<%= [ns_quotehtml $name] %>"></p> <p><input type="submit" value="Go"></p> </form> </body> </html>
Tcl example
hello-world.tcl:
set name [ns_queryget name "world"]
ns_return 200 text/html "<html>
<head>
<title>Hello [ns_quotehtml $name]!</title>
</head>
<body>
<p>Hello [ns_quotehtml $name]!</p>
<form>
<p>Name: <input name="name" value="[ns_quotehtml $name]"></p>
<p><input type="submit" value="Go"></p>
</form>
</body>
</html>"
Tcl Basics
- Explain Minimalist Syntax
- Commands, Subcommands (Evaluated and Non-Evaluated)
- Working with variables set, expr
- Control Structures
- if, while, etc.
- procedures
- Explain Minimalist Syntax
Fetching GET and POST
- Including / Referring to other pages
- Controlling Output
- Databases
- Defining the connection from as a pool in the config.tcl
- Selecting from the pool
- Executing Queries, Retrieving Values
Questions
- Where does ADP excel?
- What practices should PHP, ASP, JSP developers stop doing?
- How can one use Tcl to write very concise and readable code?
- How does one efficiently separate pages into MVC components if the wanted?
- How and why should one write a domain specific sublanguage?
