/usr/lib/falcon/parser/render/docbook.fal is in libfalcon-engine1 0.9.6.9-git20120606-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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FALCON - Generic Parser
FILE: doocbook.fal
Generates a doocbook output of an input genparser.Context tree
-------------------------------------------------------------------
Author: Giancarlo Niccolai
Begin: Sat, 30 Aug 2008 09:42:22 +0200
-------------------------------------------------------------------
(C) Copyright 2008: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
/*# Doocbook Renderer.
@optparam frame An object used to surround produced data with proper docbook framing.
The docbook renderer transforms the input text in a valid docbook output,
which may be inserted under a <section> entry of a DocBook 5.1 document.
Heading elements are treated as sections, and properly nested based on their level.
If given, the @b frame object will be used to complete the document by appending
and prepending proper XML and docbook starters.
The @b frame object will provide an open() method that shall return the docbook
code to declare the document (including the xml document declaration) and a close()
method so that the whole document can be built through
@code
frame.open() + rendered_content + frame.close()
@endcode
*/
class Renderer( frame )
blevel = 0
frame = frame
renderers = [
"text" => {node => Renderer.sgmlEscape(node.content) },
"b" => .[ self._render_markup "emphasis" "role=\"bold\""],
"i" => .[ self._render_markup "emphasis" nil],
"u" => .[ self._render_markup "emphasis" nil],
"sup" => .[self._render_markup "superscript" nil],
"sub" => .[self._render_markup "subscript" nil],
"pre" => .[self._render_markup "literal" nil],
"tt" => .[self._render_markup "literal" nil],
"ol" => .[self._render_markup "orderedlist" nil ],
"ul" => .[self._render_markup "itemizedlist" nil ],
"li" => .[self._render_li],
"hr" => self._render_hr,
"br" => self._renderUNKNOWN,
"para" => self._render_para,
"header" => self._render_header,
"table" => self._render_table,
"tr" => self._render_tr,
"th" => self._render_header_cell,
"td" => self._render_cell,
"indent" => self._render_indent,
"quote" => self._render_quote,
"link" => self._render_link,
"file" => self._render_file,
"img" => self._render_img,
"code" => self._render_code,
"plugin" => self._render_plugin,
"tag" => self._renderUNKNOWN
]
init
if frame
if not frame provides open or not frame provides close
raise GenericError( 10000, i"The 'frame' parameter must provide a callable open/close method pairs" )
end
end
end
function render( context )
//preprocess standouts
//self.preprocess( context.standouts )
// and return the content
content = self.rcont( context.topNode )
// close opened sections
while self.blevel > 0
if self.frame
content += self.frame.closeSection( self.blevel )
else
content += "</section>\n"
end
self.blevel--
end
f = self.frame
if f
return f.open() + content + f.close()
else
return content
end
end
/*
function preprocess( sout )
end
*/
function renderNode( node )
if node.type in self.renderers
return self.renderers[ node.type ]( node )
else
return self._renderUNKNOWN( node )
end
end
function rcont( node )
content = node.content
if content: return Renderer.sgmlEscape( content )
text = ""
node = node.firstChild
while node
text += self.renderNode( node )
node = node.next
end
return text
end
//==========================================================
// rendering functions
//
function _renderUNKNOWN( node )
return "<para>UNKNOWN NODE TYPE: " + node.type + " - " +self.rcont( node ) + "</para>\n"
end
function _render_para( node )
content = self.rcont(node)
return content ? "<para>" + content +"</para>\n" : ""
end
function _render_markup( tag, attribs, node )
return "<" + tag + (attribs ? " " +attribs : "") +">" + self.rcont(node) + "</" + tag + ">"
end
function _render_li( node )
return "<listitem><para>" + self.rcont(node) + "</para></listitem>\n"
end
function _render_hr( node )
return "<para><literal>-----------------------------------------------</literal></para>\n"
end
function _render_header( node )
content = self.rcont( node )
return self.open_section( node.level, content, URI.encode(content) )
end
function open_section( level, id, title )
prefix = self.go_to_level( level )
if self.frame
header = self.frame.openSection( level, id )
else
header = "<section id=\"" + id +"\">\n"
end
self.blevel = level + 1
return prefix + header + "<title>" + title + "</title>\n"
end
function close_section( level )
prefix = self.go_to_level( level )
if self.frame
header = self.frame.closeSection( level )
else
header = "</section>\n"
end
self.blevel = level
return prefix + header
end
function go_to_level( l )
prefix = ""
while self.blevel+1 < l
self.blevel++
prefix += self.frame ? self.frame.openSection( self.blevel ) : "<section>\n"
end
while self.blevel-1 > l
prefix += self.frame ? self.frame.closeSection( self.blevel ) : "</section>\n"
self.blevel--
end
return prefix
end
function _render_table( node )
return "<informaltable>\n<tgroup cols=\"0\">\n" +
self.rcont(node) +
"</tgroup></informaltable>\n"
end
function _render_tr( node )
return "<row>"+ self.rcont(node) + "</row>\n"
end
function _render_header_cell( node )
return "<entry><emphasis>"+ self.rcont(node) + "</emphasis></entry>\n"
end
function _render_cell( node )
return "<entry>"+ self.rcont(node) + "</entry>\n"
end
function _render_indent( node )
return "<litral>" + (" " * node.level ) + "</literal><para>" +
self.rcont(node) +
"</para>\n"
end
function _render_link( node )
i = bless(node.infos)
link = "<ulink url=\"" + strEscape(i.name) + "\">" +
Renderer.sgmlEscape(i.text ? i.text : i.name) + "</ulink>"
return link
end
function _render_file( node )
//todo
end
function _render_quote( node )
attrib = node.infos["link"]
if attrib
return "<blockquote><attribution>" + Renderer.sgmlEscape(attrib) +
"</attribution>\n<para>" + self.rcont(node) +"</para></blockquote>\n"
else
return "<blockquote><para>" + self.rcont(node) +"</para></blockquote>\n"
end
end
function _render_img( node )
// todo
end
function _render_code( node )
return "<programlisting>"+ self.rcont(node) + "</programlisting>\n"
end
function _render_plugin( node )
// not supported
end
function sgmlEscape( content )
/*
static
amp = "&"[*0]
lt = "<"[*0]
gt = ">"[*0]
qt = "\""[*0]
end
i = 0
l = content.len()
res = strBuffer( l )
olds = 0
while i < l
c = content[*i]
if c < 32 or c > 127
res += content[olds:i]
res += "&#"+c+";"
olds = i+1
elif c == amp
res += content[olds:i]
res += "&"
olds = i+1
elif c == gt
res += content[olds:i]
res += ">"
olds = i+1
elif c == lt
res += content[olds:i]
res += "<"
olds = i+1
elif c == qt
res += content[olds:i]
res += """
olds = i+1
end
++i
end
return res + content[olds:]
*/
return content.replace( "&", "&").replace( "<", "<" ).replace( ">", ">" ).replace("\"", """ )
end
end
/*# Frame creating a book frame
@param encoding The target encoding that will be placed in the xml declaration
@param name The name of the book
@param title Title of the book as a whole
@optparam author The author
@optparam copyyear Year of copyright
@optparam copyholder Holder of copyright
*/
class BookFrame( encoding, name, title, author, copyyear, copyholder )
encoding = encoding
name = name
title = title
author = author
copyyear = copyyear
copyholder = copyholder
function open()
str = "<?xml version=\"1.0\" encoding=\"" + self.encoding + "\"?>\n"
str += "
<!DOCTYPE book
PUBLIC \"-//OASIS//DTD DocBook XML V4.1.2//EN\"
\"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd\">\n"
str += "<book>\n"
str += "<bookinfo>\n"
str += "<title>" + Renderer.sgmlEscape( self.title ) + "</title>\n"
if self.author
str += "<author><firstname>" + Renderer.sgmlEscape( self.author ) + "</firstname></author>\n"
end
if self.copyyear and self.copyholder
str+= "<copyright>\n"
str += "<year>" + self.copyyear + "</year>\n"
str += "<holder>" + Renderer.sgmlEscape( self.copyholder ) + "</holder>\n"
str+= "</copyright>\n"
end
str += "</bookinfo>\n"
return str
end
function close()
return "</book>\n"
end
function openSection( level, id )
ids = id ? " id=\"" + strEscape(id) +"\"" : ""
if level == 0
return @"<chapter$(ids)>\n"
else
return @"<sect$(level)$(ids)>\n"
end
end
function closeSection( level )
if level == 0
return "</chapter>\n"
else
return @"</sect$(level)>\n"
end
end
end
/*# Frame creating a book frame -- in docbook 5
@param encoding The target encoding that will be placed in the xml declaration
@param name The name of the book
@param title Title of the book as a whole
@optparam author The author
@optparam copyyear Year of copyright
@optparam copyholder Holder of copyright
*/
class Book5Frame( encoding, name, title, author, copyyear, copyholder )
encoding = encoding
name = name
title = title
author = author
copyyear = copyyear
copyholder = copyholder
function open()
str = "<?xml version=\"1.0\" encoding=\"" + self.encoding + "\"?>\n"
str += "<book xml:id=\""+self.name+"\" xmlns=\"http://docbook.org/ns/docbook\" version=\"5.0\">\n"
str += "<bookinfo>\n"
str += "<title>" + Renderer.sgml( self.title ) + "</title>\n"
if self.author
str += "<author><firstname>" + Renderer.sgmlEscape( self.author ) + "</firstname></author>\n"
end
if self.copyyear and self.copyholder
str+= "<copyright>\n"
str += "<year>" + self.copyyear + "</year>\n"
str += "<holder>" + Renderer.sgmlEscape( self.copyholder ) + "</holder>\n"
str+= "</copyright>\n"
end
str += "</bookinfo>\n"
return str
end
function close()
return "</book>\n"
end
function openSection( level, id )
ids = id ? " id=\"" + strEscape(id) +"\"" : ""
if level == 0
return @"<chapter$(ids)>\n"
else
return @"<section$(ids)>\n"
end
end
function closeSection( level )
if level == 0
return "</chapter>\n"
else
return "</section>\n"
end
end
end
/*# Frame creating an article frame
@param encoding The target encoding that will be placed in the xml declaration
@optparam optparam lang The language of the article.
*/
class ArticleFrame( encoding, lang )
encoding = encoding
lang = lang ? lang : ""
function open()
str = "<?xml version=\"1.0\" encoding=\"" + self.encoding + "\"?>\n"
str += "
<!DOCTYPE article
PUBLIC \"-//OASIS//DTD DocBook XML V4.1.2//EN\"
\"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd\">\n"
str += "<article"
if self.lang: str += " lang=\"" + self.lang + "\""
str+=">\n"
return str
end
function close()
return "</article>\n"
end
function openSection( level, id )
return "<sect" + (level + 1) + (id? " id=\"" + strEscape(id) +"\"": "") + ">\n"
end
function closeSection( level )
return "</sect" + (level+1) + ">\n"
end
end
/*# Frame creating an article frame in DocBook 5
@param encoding The target encoding that will be placed in the xml declaration
@optparam optparam lang The language of the article.
*/
class Article5Frame( encoding, lang )
encoding = encoding
lang = lang ? lang : ""
function open()
str = "<?xml version=\"1.0\" encoding=\"" + self.encoding + "\"?>\n"
str += "<article xmlns=\"http://docbook.org/ns/docbook\" version=\"5.0\""
if self.lang: str += " lang=\"" + self.lang + "\""
str+=">\n"
return str
end
function close()
return "</article>\n"
end
function openSection( level, id )
return "<section"+ (id? " id=\"" + strEscape(id) +"\"": "") + ">\n"
end
function closeSection( level )
return "</section>\n"
end
end
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