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