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Added an XML processing directive tag.

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git-svn-id: svn://hamptoncatlin.com/haml/branches/edge@118 7063305b-7217-0410-af8c-cdc13e5119b9
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nex3 2006-11-06 00:35:38 +00:00
parent 234606d83c
commit 7ea068eac1
5 changed files with 48 additions and 0 deletions
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22
REFERENCE
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@ -289,6 +289,28 @@ is compiled to:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
==== ?
The question mark character creates an XML processing directive (an XML
prolog, a stylesheet link, or another format-specific directive). It's
followed by the "target" of the directive, followed by any attributes
of the directive. If the target is left out, it defaults to "xml." For
example:
?{ :version => "1.0", :encoding => "UTF-8" }
is compiled to:
<?xml version='1.0' encoding='UTF-8' ?>
and
?xml-stylesheet{ :href => "stylesheets/rss.css", :type => "text/css" }
is compiled to:
<?xml-stylesheet href='stylesheets/rss.css' type='text/css' ?>
==== /
The forward slash character, when placed at the beginning of a line, wraps all

5
lib/haml/buffer.rb
View file

@ -55,6 +55,11 @@ module Haml
nil
end
# Adds an XML processor direction to the buffer.
def push_proc(target, attributes, tabulation)
@buffer << "#{tabs(tabulation)}<?#{target}#{build_attributes(attributes)} ?>\n"
end
# Takes the various information about the opening tag for an
# element, formats it, and adds it to the buffer.
def open_tag(name, tabulation, atomic, try_one_line, class_id, attributes_hash, obj_ref, flattened)

17
lib/haml/engine.rb
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@ -34,6 +34,9 @@ module Haml
# Designates an XHTML doctype.
DOCTYPE = '!'[0]
# Designates an XML processing instruction.
PROCESS = '?'[0]
# Designates script, the result of which is output.
SCRIPT = '='[0]
@ -57,6 +60,7 @@ module Haml
DIV_ID,
COMMENT,
DOCTYPE,
PROCESS,
SCRIPT,
FLAT_SCRIPT,
SILENT_SCRIPT
@ -210,6 +214,8 @@ module Haml
render_tag(line, index)
when COMMENT
render_comment(line)
when PROCESS
render_process(line, index)
when SCRIPT
push_script(line[1..-1], false, index)
when FLAT_SCRIPT
@ -404,6 +410,17 @@ module Haml
push_silent "_hamlout.close_comment(#{has_conditional}, #{@tabulation})"
end
# Renders an XML processing direction.
def render_process(line, index)
target, attributes = line[1..-1].split("{")
target = "xml" if target.empty?
if attributes
push_silent "_hamlout.push_proc(#{target.dump}, {#{attributes}, #{@tabulation})"
else
push_text "<?#{target} ?>"
end
end
# Parses a line that will render as an XHTML tag, and adds the code that will
# render that tag to <tt>@precompiled</tt>.
def render_tag(line, index)

2
test/results/just_stuff.xhtml
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@ -1,3 +1,5 @@
<?xml encoding='UTF-8' version='1.0' ?>
<?xml-stylesheet href='/non/existant/stylesheet.css' type='text/css' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

2
test/templates/just_stuff.haml
View file

@ -1,3 +1,5 @@
?{ :version => "1.0", :encoding => "UTF-8" }
?xml-stylesheet{ :href => "/non/existant/stylesheet.css", :type => "text/css" }
!!!
!!! 1.1
!!! 1.1 Strict