syntax_highlighting.rb
55 lines
| 1.8 KiB
| text/x-ruby
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RubyLexer
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r3470 | # Redmine - project management software | ||
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r10939 | # Copyright (C) 2006-2013 Jean-Philippe Lang | ||
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r3470 | # | ||
# This program is free software; you can redistribute it and/or | ||||
# modify it under the terms of the GNU General Public License | ||||
# as published by the Free Software Foundation; either version 2 | ||||
# of the License, or (at your option) any later version. | ||||
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r7289 | # | ||
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r3470 | # This program is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
# GNU General Public License for more details. | ||||
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r7289 | # | ||
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r3470 | # You should have received a copy of the GNU General Public License | ||
# along with this program; if not, write to the Free Software | ||||
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||||
module Redmine | ||||
module SyntaxHighlighting | ||||
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r7289 | |||
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r3470 | class << self | ||
attr_reader :highlighter | ||||
delegate :highlight_by_filename, :highlight_by_language, :to => :highlighter | ||||
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r7289 | |||
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r3470 | def highlighter=(name) | ||
if name.is_a?(Module) | ||||
@highlighter = name | ||||
else | ||||
@highlighter = const_get(name) | ||||
end | ||||
end | ||||
end | ||||
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r7289 | |||
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r3470 | module CodeRay | ||
require 'coderay' | ||||
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r7289 | |||
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r3470 | class << self | ||
# Highlights +text+ as the content of +filename+ | ||||
# Should not return line numbers nor outer pre tag | ||||
def highlight_by_filename(text, filename) | ||||
language = ::CodeRay::FileType[filename] | ||||
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r9255 | language ? ::CodeRay.scan(text, language).html(:break_lines => true) : ERB::Util.h(text) | ||
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r3470 | end | ||
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r7289 | |||
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r3470 | # Highlights +text+ using +language+ syntax | ||
# Should not return outer pre tag | ||||
def highlight_by_language(text, language) | ||||
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r9948 | ::CodeRay.scan(text, language).html(:wrap => :span) | ||
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r3470 | end | ||
end | ||||
end | ||||
end | ||||
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r7289 | |||
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r3470 | SyntaxHighlighting.highlighter = 'CodeRay' | ||
end | ||||