Sha256: 5d61e43e9073bca7bb35bb9563a34d7472de467ebede69e7ca45f13fcc78f504
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Size: 1.54 KB
Versions: 35
Compression:
Stored size: 1.54 KB
Contents
begin
require 'bibtex'
require 'citeproc'
require 'csl'
require 'csl/styles'
rescue LoadError => error
end
# Render BibTeX files.
class Gollum::Filter::BibTeX < Gollum::Filter
def extract(data)
return data unless supported_format? && gems_available? && bib = ::BibTeX.parse(data).convert(:latex)
style = find_csl_data('csl') || ::CSL::Style.default
locale = find_csl_data('locale') || ::CSL::Locale.default
begin
style = ::CSL::Style.load(style)
::CSL::Locale.load(locale)
rescue ::CSL::ParseError => error
log_failure(error.to_s)
return CGI.escapeHTML(data)
end
citeproc = ::CiteProc::Processor.new(style: style, locale: locale, format: 'html')
citeproc.import(bib.to_citeproc)
citeproc.bibliography.references.join('<br/>')
end
def process(data)
data
end
private
def log_failure(msg)
@markup.metadata = {} unless @markup.metadata
@markup.metadata['errors'] = [] unless @markup.metadata['errors']
@markup.metadata['errors'] << "Could not render the bibliography because no valid CSL or locale file was found in the wiki or in the CSL directory. Please commited a valid file, or install the csl-styles gem. The message from the parser was: #{msg.to_s}."
end
def supported_format?
@markup.format == :bib
end
def gems_available?
::Gollum::Markup.formats[:bib][:enabled]
end
def find_csl_data(key)
path = @markup.metadata ? @markup.metadata[key] : nil
file = path ? @markup.wiki.file(path) : nil
file.nil? ? path : file.raw_data
end
end
Version data entries
35 entries across 35 versions & 1 rubygems