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local utils = require 'pandoc.utils'
function string.split(str, sep)
sep = sep or '%s'
local parts = pandoc.List()
for field, s in str:gmatch("([^" .. sep .. "]*)(" .. sep .. "?)") do
parts:insert(field)
if s == "" then return parts end
end
end
function pandoc.List:flatten()
local result = pandoc.List()
for i = 1, #self do result:extend(self[i]) end
return result
end
function pandoc.List:flatMap(fn)
return self:map(fn):flatten()
end
function pandoc.List:filterMap(fn)
local mapped = self:map(fn)
local result = pandoc.List()
for i = 1, #mapped do
local val = mapped[i]
if val then
result:insert(val)
end
end
return result
end
function pandoc.List:take(n)
if n >= #self then return self end
local result = pandoc.List()
for i = 1, n do result:insert(self[i]) end
return result
end
function pandoc.List:skip(n)
local result = pandoc.List()
if n >= #self then return result end
for i = n + 1, #self do result:insert(self[i]) end
return result
end
function pandoc.List:shuffle()
for i = #self, 2, -1 do
local j = math.random(i)
self[i], self[j] = self[j], self[i]
end
return self
end
function dump(o)
if type(o) == 'table' then
local s = '{ '
for k, v in pairs(o) do
if type(k) ~= 'number' then k = '"' .. k .. '"' end
s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
end
return s .. '} '
else
return tostring(o)
end
end
function prep_layout(layout)
layout = utils.stringify(layout)
return { id = layout, ["is_" .. layout] = true }
end
return {
dump = dump,
prep_layout = prep_layout
}
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