83 lines
2.5 KiB
Ruby
83 lines
2.5 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 range references with links.
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#
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# This filter supports cross-project references.
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class CommitRangeReferenceFilter < ReferenceFilter
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include CrossProjectReference
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# Public: Find commit range references in text
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#
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# CommitRangeReferenceFilter.references_in(text) do |match, commit_range, project_ref|
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# "<a href=...>#{commit_range}</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 range, and an optional String
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# 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(CommitRange.reference_pattern) do |match|
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yield match, $~[:commit_range], $~[:project]
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end
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end
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def initialize(*args)
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super
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@commit_map = {}
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end
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def call
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replace_text_nodes_matching(CommitRange.reference_pattern) do |content|
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commit_range_link_filter(content)
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end
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end
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# Replace commit range references in text with links to compare the commit
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# ranges.
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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 range references replaced with links. All
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# links have `gfm` and `gfm-commit_range` class names attached for
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# styling.
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def commit_range_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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range = CommitRange.new(id, project)
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if range.valid_commits?
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push_result(:commit_range, range)
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url = url_for_commit_range(project, range)
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title = range.reference_title
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klass = reference_class(:commit_range)
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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}#{range}</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_commit_range(project, range)
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h = Rails.application.routes.url_helpers
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h.namespace_project_compare_url(project.namespace, project,
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range.to_param.merge(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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