GNU Info
(slib.info)HTML
HTML
====
`(require 'html-form)'
- Function: html:atval txt
Returns a string with character substitutions appropriate to send
TXT as an "attribute-value".
- Function: html:plain txt
Returns a string with character substitutions appropriate to send
TXT as an "plain-text".
- Function: html:meta name content
Returns a tag of meta-information suitable for passing as the
third argument to `html:head'. The tag produced is `<META
NAME="NAME" CONTENT="CONTENT">'. The string or symbol NAME can be
`author', `copyright', `keywords', `description', `date',
`robots', ....
- Function: html:http-equiv name content
Returns a tag of HTTP information suitable for passing as the
third argument to `html:head'. The tag produced is `<META
HTTP-EQUIV="NAME" CONTENT="CONTENT">'. The string or symbol NAME
can be `Expires', `PICS-Label', `Content-Type', `Refresh', ....
- Function: html:meta-refresh delay uri
- Function: html:meta-refresh delay
Returns a tag suitable for passing as the third argument to
`html:head'. If URI argument is supplied, then DELAY seconds after
displaying the page with this tag, Netscape or IE browsers will
fetch and display URI. Otherwise, DELAY seconds after displaying
the page with this tag, Netscape or IE browsers will fetch and
redisplay this page.
- Function: html:head title backlink tags ...
- Function: html:head title backlink
- Function: html:head title
Returns header string for an HTML page named TITLE. If BACKLINK
is a string, it is used verbatim between the `H1' tags; otherwise
TITLE is used. If string arguments TAGS ... are supplied, then
they are included verbatim within the <HEAD> section.
- Function: html:body body ...
Returns HTML string to end a page.
- Function: html:pre line1 line ...
Returns the strings LINE1, LINES as "PRE"formmated plain text
(rendered in fixed-width font). Newlines are inserted between
LINE1, LINES. HTML tags (`<tag>') within LINES will be visible
verbatim.
- Function: html:comment line1 line ...
Returns the strings LINE1 as HTML comments.
HTML Forms
==========
- Function: html:form method action body ...
The symbol METHOD is either `get', `head', `post', `put', or
`delete'. The strings BODY form the body of the form.
`html:form' returns the HTML "form".
- Function: html:hidden name value
Returns HTML string which will cause NAME=VALUE in form.
- Function: html:checkbox pname default
Returns HTML string for check box.
- Function: html:text pname default size ...
Returns HTML string for one-line text box.
- Function: html:text-area pname default-list
Returns HTML string for multi-line text box.
- Function: html:select pname arity default-list foreign-values
Returns HTML string for pull-down menu selector.
- Function: html:buttons pname arity default-list foreign-values
Returns HTML string for any-of selector.
- Function: form:submit submit-label command
- Function: form:submit submit-label
The string or symbol SUBMIT-LABEL appears on the button which
submits the form. If the optional second argument COMMAND is
given, then `*command*=COMMAND' and `*button*=SUBMIT-LABEL' are
set in the query. Otherwise, `*command*=SUBMIT-LABEL' is set in
the query.
- Function: form:image submit-label image-src
The IMAGE-SRC appears on the button which submits the form.
- Function: form:reset
Returns a string which generates a "reset" button.
- Function: form:element pname arity default-list foreign-values
Returns a string which generates an INPUT element for the field
named PNAME. The element appears in the created form with its
representation determined by its ARITY and domain. For domains
which are foreign-keys:
`single'
select menu
`optional'
select menu
`nary'
check boxes
`nary1'
check boxes
If the foreign-key table has a field named `visible-name', then
the contents of that field are the names visible to the user for
those choices. Otherwise, the foreign-key itself is visible.
For other types of domains:
`single'
text area
`optional'
text area
`boolean'
check box
`nary'
text area
`nary1'
text area
- Function: form:delimited pname doc aliat arity default-list
foreign-values
Returns a HTML string for a form element embedded in a line of a
delimited list. Apply map `form:delimited' to the list returned by
`command->p-specs'.
- Function: command->p-specs rdb command-table command
The symbol COMMAND-TABLE names a command table in the RDB
relational database. The symbol COMMAND names a key in
COMMAND-TABLE.
`command->p-specs' returns a list of lists of PNAME, DOC, ALIAT,
ARITY, DEFAULT-LIST, and FOREIGN-VALUES. The returned list has
one element for each parameter of command COMMAND.
This example demonstrates how to create a HTML-form for the `build'
command.
(require (in-vicinity (implementation-vicinity) "build.scm"))
(call-with-output-file "buildscm.html"
(lambda (port)
(display
(string-append
(html:head 'commands)
(html:body
(sprintf #f "<H2>%s:</H2><BLOCKQUOTE>%s</BLOCKQUOTE>\\n"
(html:plain 'build)
(html:plain ((comtab 'get 'documentation) 'build)))
(html:form
'post
(or "http://localhost:8081/buildscm" "/cgi-bin/build.cgi")
(apply html:delimited-list
(apply map form:delimited
(command->p-specs build '*commands* 'build)))
(form:submit 'build)
(form:reset))))
port)))
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