71 lines
2.1 KiB
Ruby
71 lines
2.1 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 issue references with links. References to
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# issues that do not exist are ignored.
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#
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# This filter supports cross-project references.
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class IssueReferenceFilter < ReferenceFilter
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include CrossProjectReference
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# Public: Find `#123` issue references in text
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#
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# IssueReferenceFilter.references_in(text) do |match, issue, project_ref|
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# "<a href=...>##{issue}</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 Integer issue ID, and an optional String of
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# 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(Issue.reference_pattern) do |match|
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yield match, $~[:issue].to_i, $~[: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(Issue.reference_pattern) do |content|
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issue_link_filter(content)
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end
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end
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# Replace `#123` issue references in text with links to the referenced
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# issue's details page.
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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 `#123` references replaced with links. All links
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# have `gfm` and `gfm-issue` class names attached for styling.
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def issue_link_filter(text)
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self.class.references_in(text) do |match, id, project_ref|
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project = self.project_from_ref(project_ref)
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if project && issue = project.get_issue(id)
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push_result(:issue, issue)
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url = url_for_issue(id, project, only_path: context[:only_path])
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title = escape_once("Issue: #{issue.title}")
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klass = reference_class(:issue)
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data = data_attribute(project.id)
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%(<a href="#{url}" #{data}
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title="#{title}"
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class="#{klass}">#{match}</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 url_for_issue(*args)
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IssuesHelper.url_for_issue(*args)
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end
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end
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end
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end
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