require 'gitlab/markdown'
module Gitlab
module Markdown
# HTML filter that replaces commit references with links.
#
# This filter supports cross-project references.
class CommitReferenceFilter < ReferenceFilter
include CrossProjectReference
# Public: Find commit references in text
#
# CommitReferenceFilter.references_in(text) do |match, commit, project_ref|
# "#{commit}"
# end
#
# text - String text to search.
#
# Yields the String match, the String commit identifier, and an optional
# String of the external project reference.
#
# Returns a String replaced with the return of the block.
def self.references_in(text)
text.gsub(Commit.reference_pattern) do |match|
yield match, $~[:commit], $~[:project]
end
end
def call
replace_text_nodes_matching(Commit.reference_pattern) do |content|
commit_link_filter(content)
end
end
# Replace commit references in text with links to the commit specified.
#
# text - String text to replace references in.
#
# Returns a String with commit references replaced with links. All links
# have `gfm` and `gfm-commit` class names attached for styling.
def commit_link_filter(text)
self.class.references_in(text) do |match, commit_ref, project_ref|
project = self.project_from_ref(project_ref)
if commit = commit_from_ref(project, commit_ref)
push_result(:commit, commit)
url = url_for_commit(project, commit)
title = escape_once(commit.link_title)
klass = reference_class(:commit)
data = data_attribute(project.id)
project_ref += '@' if project_ref
%(#{project_ref}#{commit.short_id})
else
match
end
end
end
def commit_from_ref(project, commit_ref)
if project && project.valid_repo?
project.commit(commit_ref)
end
end
def url_for_commit(project, commit)
h = Rails.application.routes.url_helpers
h.namespace_project_commit_url(project.namespace, project, commit,
only_path: context[:only_path])
end
end
end
end