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Review: typo and neater regex

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This commit is contained in:
Michael Reed 2020-06-17 20:00:36 -04:00
parent 75654740b3
commit 3c667f3f9b
1 changed files with 5 additions and 5 deletions
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10
epub/rewrite-links.lua
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@ -24,19 +24,19 @@ end
-- [text]({{ site.baseurl }}/chapter/#more-stuff) -> [text](#chapter-more-stuff)
--
-- Case 2:
-- [text]({{ site.baseurl }}/chapter/) -> [text](#stuff)
-- [text]({{ site.baseurl }}/chapter/) -> [text](#chapter)
--
-- All other Links are ignored.
function Link (el)
local n
-- When parsing a markdown link such as "[stuff]({{ site.baseurl }}/Naturals",
-- pandoc encodes the link's URL with percent-encoding, resulting in the
-- link "[stuff](%7B%7B+site.baseurl+%7D%7D%2FNaturals)". This is why the
-- pattern begins with ".*site%.baseurl.*" and not "{{ site%.baseurl }}".
el.target, n = el.target:gsub("^.*site%.baseurl.*/(%w+)/#([%w-]+)$", -- case 1
-- link "[stuff](%7B%7B%20site.baseurl%20%7D%7D/Naturals)".
local baseurl = "%%7B%%7B%%20site%.baseurl%%20%%7D%%7D"
el.target, n = el.target:gsub("^" .. baseurl .. "/(%w+)/#([%w-]+)$", -- case 1
"#%1-%2")
if n == 0 then
el.target = el.target:gsub("^.*site%.baseurl.*/(%w+)/$", -- case 2
el.target = el.target:gsub("^" .. baseurl .. "/(%w+)/$", -- case 2
"#%1")
end
return el