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YstokHTML - collection of HTML generator, parser and template libraries
Created by divanov on: Thu, 29 Dec 2011 07:49:32 GMT, Last modification: Thu, 29 Dec 2011 07:49:32 GMT

YstokHTML allows generating and parsing HTML and XHTML documents.

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Web site	http://lisp.ystok.ru/yhtml/
Mailing list
Version	0.2.5 -
Maturity	Stable
OS compatibility
ASDF installable	Yes
Official Download
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Source code repository

YstokHTML is based on the following:

• HTMLGen and PHTML by Franz, Inc.,
• LML2 by Kevin Rosenberg,
• HTML-TEMPLATE by Edi Weitz.

LHTML - Lisp markup language for HTML

Both the YstokHTML generator and parser support the LHTML, the S-expression language used by the Franz's HTMLGen facility and described by Peter Seibel in his book Practical Common Lisp.

Differences between YstokHTML and HTMLGen

• Renamed html macro to htm (a la Edi Weitz's CL-WHO).
• YstokHTML is XHTML compatible with close tags so that (htm :hr) can produce '<hr>' or '<hr />' depending on *html-mode*. Whether print-html-... functions produce XHTML termination '/>' also depends on *html-mode*.
• Lowercase tag names when *html-mode* is :xml.
• Lowercase attribute names when *html-mode* is :xml or *attribute-case* is :downcase; so (htm ((:p class 'a))) produces '<p class="a"></p>'.
• Added new tags :include, :nbsp, :jscript, :format, :format-safe, :!doctype, :?xml.
• Added new custom tag :escape, which invokes full-fledged html-template:escape-string and escapes not only four characters, but all satisfying template:*escape-char-p*.
• Added special attribute tag :optional, which is similar to :if*.
• Automatic conversion attribute values to strings (quoting).
• Removal of the if* macro from the htmlgen.lisp source code.
• Renamed html-process to descriptor:
  • it is of a "normal" structure type now, not of type list;
  • slot name-attrs renamed to name-attr;
  • added slot uri-attrs specifying a list of attributes of type URI.
• Function prin1-safe-http-string replaced by generic prin1-attribute-value of signature:
   (val &optional stream).
• Changed html-print-list and html-print signature:
   (form &optional stream).
• def-std-html now defines a macro named as follows:
  • either a symbol explicitly passed as an optional macro-name argument,
  • or by default (intern "key") instead of (intern "WITH-HTML-key"), produced by the Franz's HTMLGen.
• Owing to calls of attribute-name-string and prin1-attribute-value, now html-standard-print generates HTML close to what is produced by the htm macro.

Compatible Implementations

LispWorks

Authors and Maintainers

Dmitriy Ivanov

Tags

HTML Macros | LLGPL

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