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Improve the character_offset code.

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This commit is contained in:
Ashkan Kiani
2019-11-22 00:31:10 -08:00
parent 78991ffbf4
commit 73487f4130
1 changed files with 4 additions and 10 deletions
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14
runtime/lua/vim/lsp/util.lua
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@@ -11,14 +11,6 @@ end
local list_extend = vim.list_extend local list_extend = vim.list_extend
local function ok_or_nil(status, ...)
if not status then return end
return ...
end
local function npcall(fn, ...)
return ok_or_nil(pcall(fn, ...))
end
--- Find the longest shared prefix between prefix and word. --- Find the longest shared prefix between prefix and word.
-- e.g. remove_prefix("123tes", "testing") == "ting" -- e.g. remove_prefix("123tes", "testing") == "ting"
local function remove_prefix(prefix, word) local function remove_prefix(prefix, word)
@@ -668,9 +660,11 @@ end
-- @param col 0-indexed byte offset in line -- @param col 0-indexed byte offset in line
function M.character_offset(buf, row, col) function M.character_offset(buf, row, col)
local line = api.nvim_buf_get_lines(buf, row, row+1, true)[1] local line = api.nvim_buf_get_lines(buf, row, row+1, true)[1]
-- TODO(ashkan) is there a better way to handle col being past line length?
-- If the col is past the EOL, use the line length. -- If the col is past the EOL, use the line length.
return npcall(str_utfindex, line, col) or str_utfindex(line) if col > #line then
return str_utfindex(line)
end
return str_utfindex(line, col)
end end
return M return M