/usr/lib/falcon/parser/render/html.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: html.fal
Generates an html file out 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.
*/
import SiteHelper from .sitehelper as SiteHelper
/*# Default renderer with basic functionalities.
*/
class BaseSiteHelper from SiteHelper
function code(v, lang)
return "<pre>\n"+v.replace("&","&").replace( "<","<").replace(">", ">" )+"</pre>"
end
function pageLink( v )
return "/"+URI.encode(v)
end
function iLink( wiki, v )
return @"http://www.$(wiki).com/wiki/" + URI.encode(v)
end
function img( v )
return v
end
function file( v )
return v
end
function plugin( v, params, node )
return @"<p>Placeholder for plugin \"$v\"($params)</p>"
end
end
/*# Html Renderer.
@param siteHelper A site helper in the class of
@param cls Class used to render block elements (for easier CSS application).
*/
class Renderer( siteHelper, cls )
cls = cls ? cls : ""
site = siteHelper ? siteHelper : BaseSiteHelper()
_btype = nil
_blevel = 0
renderers = [
"text" => {node => node.content},
"b" => self._render_markup,
"i" => self._render_markup,
"u" => self._render_markup,
"sup" => self._render_markup,
"sub" => self._render_markup,
"pre" => self._render_markup,
"tt" => self._render_markup,
"ol" => self._render_markup,
"ul" => self._render_markup,
"li" => self._render_markup,
"hr" => self._render_break,
"br" => self._render_break,
"para" => self._render_para,
"header" => self._render_header,
"table" => self._render_table,
"tr" => self._render_tr,
"th" => self._render_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._render_tag
]
function render( context, page_name )
self.site.page_name = page_name
self.site.topnode = context.topNode
//preprocess standouts
self.preprocess( context.standouts )
// and return the content
return self.rcont( context.topNode )
end
function preprocess( sout )
i = 0
soutlen = sout.len()
while i < soutlen
node_sout = sout[i++]
if node_sout.type == "plugin"
self.site.plugin( node_sout.infos["name"], node_sout.infos["params"], node_sout, true )
end
end
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 content
text = ""
node = node.firstChild
while node
text += self.renderNode( node )
node = node.next
end
return text
end
//==========================================================
// rendering functions
//
function _renderUNKNOWN( node )
return self._render_markup(node)
end
function _ct( tag )
if self.cls
return "<" + tag + " class=\""+self.cls+"\">"
else
return "<" + tag + ">"
end
end
function _render_para( node )
return self._ct("p") + self.rcont(node)+"</p>\n"
end
function _render_markup( node )
return "<" + node.type + ">" + self.rcont(node) + "</" + node.type + ">"
end
function _render_break( node )
return "<" + node.type + "/>\n"
end
function _render_header( node )
content = self.rcont( node )
return "<a name=\"" + URI.encode(content)+"\">"+
self._ct("h" + node.level) +
content +
"</h" + node.level + "></a>\n\n"
end
function _render_table( node )
return self._ct("table") + "\n<tbody>\n" +
self.rcont(node) +
"</tbody></table>\n"
end
function _render_tr( node )
return "<tr>"+ self.rcont(node) + "</tr>\n"
end
function _render_cell( node )
return self._render_markup( node )
end
function _render_indent( node )
return self._ct("div style=\"margin-left:" + 2 * node.level + "em\"") + self._ct("p") +
self.rcont(node) +
"</p></div>\n"
end
function _render_link( node )
i = bless(node.infos)
link = "<a href=\""
if i.ext
link += strEscape(i.name) + "\" target=\"_blank\""
else
if "ilink" in i and i.ilink
link += self.site.iLink( i.ilink, i.name ) + "\" target=\"_blank\""
else
if "internal" in i and i.internal
link += "#" + URI.encode( i.name ) +"\""
else
link += self.site.pageLink( i.name ) +"\""
end
end
end
link += ">" + (i.text ? i.text : i.name) + "</a>"
return link
end
function _render_file( node )
i = bless(node.infos)
link = "<a href=\"" + self.site.file( i.name ) + "\" target=\"_blank\">" +
(i.text ? i.text : i.name) + "</a>"
return link
end
function _render_quote( node )
i = bless(node.infos)
if i.link
str = self._ct("blockquote cite=\"" + strEscape(i.link) + "\" ")
else
str = self._ct("blockquote")
end
str += self.rcont(node) +"</blockquote>\n"
return str
end
function _render_img( node )
i = bless(node.infos)
link = ""
style = ""
if "thumb" in i
link +="<a href=\"" + self.site.img( i.name ) +"\" target=\"_blank\">"
end
link += "<img src=\"" + self.site.img( i.name ) + "\""
if i.alt: link += " alt=\"" + i.alt + "\""
if "w" in i: link+=" width=\""+i.w+"\""
if "h" in i: link+=" height=\""+i.h+"\""
if "valign" in i: style +="vertical-align:"+i.valign+";"
if "pad" in i: style +="margin:"+i.pad+"px;"
if "center" in i: style +="display: block; margin-left: auto; margin-right: auto;"
if style: link +=" style=\""+style+"\""
link += "/>"
if "thumb" in i: link +="</a>"
return link
end
function _render_code( node )
return self.site.code( self.rcont(node), node.infos["lang"] )
end
function _render_plugin( node )
return self.site.plugin( node.infos["name"], node.infos["params"], node )
end
function _render_tag( node )
text = ""
for k,v in node.infos
forfirst: text += " "
text += k +"=\"" + strEscape(v) + "\""
formiddle: text += " "
end
return "<" + node.tag + text + ">" + self.rcont( node ) + "</" + node.tag +">\n"
end
end
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