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local entry_display = {}
local function truncate(str, len)
-- TODO: This doesn't handle multi byte chars...
if vim.fn.strdisplaywidth(str) > len then
str = str:sub(1, len - 1)
str = str .. "…"
end
return str
end
entry_display.create = function(configuration)
local generator = {}
for _, v in ipairs(configuration.items) do
if v.width then
local justify = not v.right_justify and "-" or ""
local format_str = "%" .. justify .. v.width .. "s"
table.insert(generator, function(item)
if type(item) == 'table' then
return string.format(format_str, truncate(item[1], v.width)), item[2]
else
return string.format(format_str, truncate(item, v.width))
end
end)
else
table.insert(generator, function(item)
if type(item) == 'table' then
return item[1], item[2]
else
return item
end
end)
end
end
return function(self, picker)
local results = {}
local highlights = {}
for i = 1, table.getn(generator) do
if self[i] ~= nil then
local str, hl = generator[i](self[i], picker)
if hl then
local hl_start = 0
for j = 1, (i - 1) do
hl_start = hl_start + #results[j] + (#configuration.separator or 1)
end
local hl_end = hl_start + #str:gsub('%s*$', '')
table.insert(highlights, { { hl_start, hl_end }, hl })
end
table.insert(results, str)
end
end
if configuration.separator_hl then
local width = #configuration.separator or 1
local hl_start, hl_end
for _, v in ipairs(results) do
hl_start = (hl_end or 0) + #tostring(v)
hl_end = hl_start + width
table.insert(highlights, { { hl_start, hl_end }, configuration.separator_hl })
end
end
return table.concat(results, configuration.separator or "│"), highlights
end
end
entry_display.resolve = function(self, entry)
local display, display_highlights
if type(entry.display) == 'function' then
self:_increment("display_fn")
display, display_highlights = entry:display(self)
if type(display) == 'string' then
return display, display_highlights
end
else
display = entry.display
end
if type(display) == 'string' then
return display, display_highlights
end
end
return entry_display
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