adbb81edbcdfde3cde3c27f9756a6e18fd3abdb1
lrnassar
Mon Mar 9 09:27:41 2026 -0700
Small fixes to the lua rules that were messing up the column spacing for markdown tables, and a double escaping when links were placed inside tables, refs #36894
diff --git docs/staticPage.lua docs/staticPage.lua
index 5aa4cada964..b02a1eb7de8 100644
--- docs/staticPage.lua
+++ docs/staticPage.lua
@@ -1,456 +1,455 @@
-- UCSC: Slightly modified to produce html that follows the genome browser
-- static pages conventions
--
--
-- This is a sample custom writer for pandoc. It produces output
-- that is very similar to that of pandoc's HTML writer.
-- There is one new feature: code blocks marked with class 'dot'
-- are piped through graphviz and images are included in the HTML
-- output using 'data:' URLs.
--
-- Invoke with: pandoc -t staticPage.lua
--
-- Character escaping
local function escape(s, in_attribute)
return s:gsub("[<>&\"']",
function(x)
if x == '<' then
return '<'
elseif x == '>' then
return '>'
elseif x == '&' then
return '&'
elseif x == '"' then
return '"'
elseif x == "'" then
return '''
else
return x
end
end)
end
-- Helper function to convert an attributes table into
-- a string that can be put into HTML tags.
local function attributes(attr)
local attr_table = {}
for x,y in pairs(attr) do
if y and y ~= "" then
table.insert(attr_table, ' ' .. x .. '="' .. escape(y,true) .. '"')
end
end
return table.concat(attr_table)
end
-- Run cmd on a temporary file containing inp and return result.
local function pipe(cmd, inp)
local tmp = os.tmpname()
local tmph = io.open(tmp, "w")
tmph:write(inp)
tmph:close()
local outh = io.popen(cmd .. " " .. tmp,"r")
local result = outh:read("*all")
outh:close()
os.remove(tmp)
return result
end
-- Table to store footnotes, so they can be included at the end.
local notes = {}
-- Table to store headers, so they can be inserted at the end
local headers = {}
-- flag to see if we have to close a previous div
local headerOpen = false
-- Blocksep is used to separate block elements.
function Blocksep()
return "\n\n"
end
-- Print contents of `tbl`, with indentation.
-- `indent` sets the initial level of indentation.
function tprint (tbl, indent)
if not indent then indent = 0 end
for k, v in pairs(tbl) do
formatting = string.rep(" ", indent) .. k .. ": "
if type(v) == "table" then
print(formatting)
tprint(v, indent+1)
elseif type(v) == 'boolean' then
print(formatting .. tostring(v))
else
print(formatting .. v)
end
end
end
-- remove all special chars from the string and remove all html tags
function simplifyId(idStr)
idStr=idStr:gsub("%b<>", "")
idStr = string.lower(string.gsub(idStr, "%s+", "-"))
idStr = string.lower(string.gsub(idStr, "[^a-zA-z-]", ""))
return idStr
end
-- This function is called once for the whole document. Parameters:
-- body is a string, metadata is a table, variables is a table.
-- This gives you a fragment. You could use the metadata table to
-- fill variables in a custom lua template. Or, pass `--template=...`
-- to pandoc, and pandoc will add do the template processing as
-- usual.
function Doc(body, metadata, variables)
local buffer = {}
local function add(s)
table.insert(buffer, s)
end
-- ucsc changes start
-- debugging of meta info:
-- print("vars")
-- tprint(variables)
-- print("meta")
-- tprint(metadata)
if metadata["title"] then
add("")
add("")
add("")
add("")
add("")
add("")
add("")
add("/style/bootstrap-3-3-7.min.css\">")
add("")
add("
" .. metadata["title"] .. "
")
else
add("
No title defined in document, first line must be % mytitle
")
end
for i, h in ipairs(headers) do
idStr = simplifyId(h)
add("
")
end
-- ucsc change end
add(body)
if #notes > 0 then
add('')
for _,note in pairs(notes) do
add(note)
end
add('')
end
return table.concat(buffer,'\n') .. '\n'
end
-- The functions that follow render corresponding pandoc elements.
-- s is always a string, attr is always a table of attributes, and
-- items is always an array of strings (the items in a list).
-- Comments indicate the types of other variables.
function Str(s)
return escape(s)
end
function Space()
return " "
end
function SoftBreak()
return "\n"
end
function LineBreak()
return " "
end
function Emph(s)
return "" .. s .. ""
end
function Strong(s)
return "" .. s .. ""
end
function Subscript(s)
return "" .. s .. ""
end
function Superscript(s)
return "" .. s .. ""
end
function SmallCaps(s)
return '' .. s .. ''
end
function Strikeout(s)
return '' .. s .. ''
end
function obfuscate(s)
-- obfuscate the email address a la Hiram's encodeEmail.pl
local refs = {}
for i = 1, string.len(s) do
local ascCode = string.byte(s, i)
local ref = "" .. tostring(ascCode)
table.insert(refs, ref)
end
return table.concat(refs, "")
end
function Link(s, src, tit, attr)
if string.sub(src, 1, 7)=="mailto:" then
src = "mailto:" .. obfuscate(string.sub(src, 7), 7)
-- assume that the link label is an email address if it contains an @ character
if string.match(s, "%@")~=nil then
s = obfuscate(s)
end
else
src = escape(src, true)
tit = escape(tit, true)
- s = escape(s, true)
end
return "" .. s .. ""
end
function Image(s, src, tit, attr)
return ""
end
function Code(s, attr)
return "" .. escape(s) .. ""
end
function InlineMath(s)
return "\\(" .. escape(s) .. "\\)"
end
function DisplayMath(s)
return "\\[" .. escape(s) .. "\\]"
end
function SingleQuoted(s)
return "‘" .. s .. "’"
end
function DoubleQuoted(s)
return "“" .. s .. "”"
end
function Note(s)
local num = #notes + 1
-- insert the back reference right before the final closing tag.
s = string.gsub(s,
'(.*)', '%1 ↩')
-- add a list item with the note to the note table.
table.insert(notes, '
' .. s .. '
')
-- return the footnote reference, linked to the note.
return '' .. num .. ''
end
function Span(s, attr)
return "" .. s .. ""
end
function Cite(s, cs)
local ids = {}
for _,cit in ipairs(cs) do
table.insert(ids, cit.citationId)
end
return "" .. s .. ""
end
function Plain(s)
return s
end
function Para(s)
return "
\n" .. s .. "\n
"
end
-- lev is an integer, the header level.
function Header(lev, s, attr)
local lines = { }
if lev == 1 then
idStr = simplifyId(s)
table.insert(headers, s)
table.insert(lines, "")
table.insert(lines, "
" .. s .. "
")
headerOpen = true
else
table.insert(lines, "" .. s .. "")
end
return table.concat(lines, "\n")
end
function BlockQuote(s)
return "
\n" .. s .. "\n
"
end
function HorizontalRule()
return ""
end
function CodeBlock(s, attr)
-- If code block has class 'dot', pipe the contents through dot
-- and base64, and include the base64-encoded png as a data: URL.
if attr.class and string.match(' ' .. attr.class .. ' ',' dot ') then
local png = pipe("base64", pipe("dot -Tpng", s))
return ''
-- otherwise treat as code (one could pipe through a highlighter)
else
return "
" .. escape(s) ..
"
"
end
end
function BulletList(items)
local buffer = {}
for _, item in pairs(items) do
table.insert(buffer, "
" .. item .. "
")
end
return "
\n" .. table.concat(buffer, "\n") .. "\n
"
end
function OrderedList(items)
local buffer = {}
for _, item in pairs(items) do
table.insert(buffer, "
" .. item .. "
")
end
return "\n" .. table.concat(buffer, "\n") .. "\n"
end
-- Revisit association list STackValue instance.
function DefinitionList(items)
local buffer = {}
for _,item in pairs(items) do
for k, v in pairs(item) do
table.insert(buffer,"
" .. k .. "
\n
" ..
table.concat(v,"
\n
") .. "
")
end
end
return "
\n" .. table.concat(buffer, "\n") .. "\n
"
end
-- Convert pandoc alignment to something HTML can use.
-- align is AlignLeft, AlignRight, AlignCenter, or AlignDefault.
function html_align(align)
if align == 'AlignLeft' then
return 'left'
elseif align == 'AlignRight' then
return 'right'
elseif align == 'AlignCenter' then
return 'center'
else
return 'left'
end
end
function CaptionedImage(src, tit, caption)
return '
\n\n' ..
'
' .. caption .. '
\n
'
end
-- Caption is a string, aligns is an array of strings,
-- widths is an array of floats, headers is an array of
-- strings, rows is an array of arrays of strings.
function Table(caption, aligns, widths, headers, rows)
local buffer = {}
local function add(s)
table.insert(buffer, s)
end
add("
")
if caption ~= "" then
add("
" .. caption .. "
")
end
if widths and widths[1] ~= 0 then
for _, w in pairs(widths) do
- add('
')
+ add('
')
end
end
local header_row = {}
local empty_header = true
for i, h in pairs(headers) do
local align = html_align(aligns[i])
table.insert(header_row,'
' .. h .. '
')
empty_header = empty_header and h == ""
end
if empty_header then
head = ""
else
add('
')
for _,h in pairs(header_row) do
add(h)
end
add('
')
end
local class = "even"
for _, row in pairs(rows) do
class = (class == "even" and "odd") or "even"
add('
')
for i,c in pairs(row) do
add('
' .. c .. '
')
end
add('
')
end
add('
')
return table.concat(buffer,'\n')
end
function RawInline(format, str)
if format == "html" then
return str
else
--- not sure what to do here for PDF or ebook output... ---
return str
end
end
function RawBlock(format, str)
if format == "html" then
return str
else
return ''
end
end
function Div(s, attr)
return "
\n" .. s .. "
"
end
-- The following code will produce runtime warnings when you haven't defined
-- all of the functions you need for the custom writer, so it's useful
-- to include when you're working on a writer.
local meta = {}
meta.__index =
function(_, key)
io.stderr:write(string.format("WARNING: Undefined function '%s'\n",key))
return function() return "" end
end
setmetatable(_G, meta)