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Use Escape Utils? #191

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Use Escape Utils? #191

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00eeb88
use EscapeUtils to escape HTML
korny Jul 14, 2013
bb5cacf
remove control codes escaping?
korny Jul 14, 2013
4e13ac4
imagine escape_html does all we need
korny Jul 14, 2013
19e48b5
Merge branch 'master' into escape-utils
korny Aug 30, 2013
e8c56ab
Merge branch 'master' into escape-utils
korny Aug 30, 2013
d79c6ba
enable necessary replacements in HTML encoder
korny Aug 30, 2013
5fdb493
Merge branch 'master' into escape-utils
korny Feb 13, 2016
2d96fc4
update escape_utils
korny Feb 13, 2016
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2 changes: 2 additions & 0 deletions coderay.gemspec
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@ Gem::Specification.new do |s|
s.executables = `git ls-files -- bin/*`.split("\n").map { |f| File.basename(f) }
s.require_paths = ['lib']

s.add_dependency "escape_utils", "~> 1.2"

s.rubyforge_project = s.name
s.rdoc_options = '-SNw2', "-m#{readme_file}", '-t CodeRay Documentation'
s.extra_rdoc_files = readme_file
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27 changes: 9 additions & 18 deletions lib/coderay/encoders/html.rb
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
require 'set'
require 'escape_utils'

module CodeRay
module Encoders
Expand Down Expand Up @@ -127,22 +128,6 @@ class HTML < Encoder

protected

def self.make_html_escape_hash
{
'&' => '&amp;',
'"' => '&quot;',
'>' => '&gt;',
'<' => '&lt;',
# "\t" => will be set to ' ' * options[:tab_width] during setup
}.tap do |hash|
# Escape ASCII control codes except \x9 == \t and \xA == \n.
(Array(0x00..0x8) + Array(0xB..0x1F)).each { |invalid| hash[invalid.chr] = ' ' }
end
end

HTML_ESCAPE = make_html_escape_hash
HTML_ESCAPE_PATTERN = /[\t"&><\0-\x8\xB-\x1F]/

TOKEN_KIND_TO_INFO = Hash.new do |h, kind|
h[kind] = kind.to_s.gsub(/_/, ' ').gsub(/\b\w/) { $&.capitalize }
end
Expand Down Expand Up @@ -181,7 +166,7 @@ def setup options

@break_lines = (options[:break_lines] == true)

@HTML_ESCAPE = HTML_ESCAPE.merge("\t" => options[:tab_width] ? ' ' * options[:tab_width] : "\t")
@expand_tab = options[:tab_width] ? ' ' * options[:tab_width] : "\t"

@opened = []
@last_opened = nil
Expand Down Expand Up @@ -221,7 +206,13 @@ def finish options
def text_token text, kind
style = @span_for_kinds[@last_opened ? [kind, *@opened] : kind]

text = text.gsub(/#{HTML_ESCAPE_PATTERN}/o) { |m| @HTML_ESCAPE[m] } if text =~ /#{HTML_ESCAPE_PATTERN}/o
text = EscapeUtils.escape_html(text)
if text.index(/[\0-\t\xB-\x1F]/)
# Escape ASCII control codes except \x9 == \t and \xA == \n.
text.tr!("\0-\x8\xB-\x1F", ' ') if text.index(/[\0-\x8\xB-\x1F]/)
text.gsub!("\t", @expand_tab) if text.index("\t")
end

text = break_lines(text, style) if @break_lines && (style || @opened.size > 0) && text.index("\n")

if style
Expand Down