NB. J-WEB Some tools for generating HTML pages
NB. When using CGI scripts, the form "get" method sets the environment variable
NB. QUERY_STRING to indicate arguments passed to the CGI script.
NB. & separates field-value pairs; = separates each field and value.
NB. query
NB. Build a boxed table of field-value pairs from the environment variable QUERY_STRING
query =: 3 : 0
if. 0 -: r =. getenv y.
do. ''
else. > ((<;. _2) &. >) ((, & '=') &. >) < ;. _2 r,'&'
end.
)
NB. Return value of named field.
get_field_helper =: 4 : ' > 1 { ((, 1 {. " 1 x.) i. < ,y.) { x.'
NB. field-value pairs are passed to get_field by Currying get_field_helper.
get_field =: (query 'QUERY_STRING') & get_field_helper
NB. Perform Unix system call.
system =: 2 !: 0
NB. An HTML page is defined to consist components of a header, y. (body) , trailer and footer.
NB. Output html page
page_helper =: 4 : 0
stdout > 0 { x.
stdout y.
stdout > 1 { x.
stdout > 2 { x.
exit 0
)
NB. J db of HTML page components
header =: 0 : 0
Content-type: text/html
Form Result
header content
)
footer =: 0 : 0
footer content
)
trailer =: 0 : 0
trailer content