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fix(tohtml): extmark text may be out of bounds

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This commit is contained in:
altermo
2024-07-16 05:09:24 +02:00
committed by Christian Clason
parent 5cdf0c22bd
commit 9fd6664ba7
1 changed files with 14 additions and 5 deletions
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19
runtime/lua/tohtml.lua
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@@ -521,9 +521,12 @@ local function _styletable_extmarks_virt_text(state, extmark, namespaces)
--- @type integer,integer
local row, col = extmark[2], extmark[3]
if
extmark[4].virt_text_pos == 'inline'
or extmark[4].virt_text_pos == 'eol'
or extmark[4].virt_text_pos == 'overlay'
row < state.buflen
and (
extmark[4].virt_text_pos == 'inline'
or extmark[4].virt_text_pos == 'eol'
or extmark[4].virt_text_pos == 'overlay'
)
then
if extmark[4].virt_text_pos == 'eol' then
style_line_insert_virt_text(styletable[row + 1], #vim.fn.getline(row + 1) + 1, { ' ' })
@@ -1146,7 +1149,13 @@ local function extend_pre(out, state)
local line = vim.api.nvim_buf_get_lines(state.bufnr, row - 1, row, false)[1] or ''
local s = ''
s = s .. _pre_text_to_html(state, row)
for col = 1, #line + 1 do
local true_line_len = #line + 1
for k in pairs(style_line) do
if type(k) == 'number' and k > true_line_len then
true_line_len = k
end
end
for col = 1, true_line_len do
local cell = style_line[col]
--- @type table?
local char
@@ -1193,7 +1202,7 @@ local function extend_pre(out, state)
char = cell[4][#cell[4]]
end
if col == #line + 1 and not char then
if col == true_line_len and not char then
break
end