alex/guid.nvim
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Guid formatting

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This commit is contained in:
Alex Yatskov 2023-01-01 18:53:18 -08:00
parent a4d5a653b1
commit 7699fb8671
1 changed files with 50 additions and 1 deletions
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51
lua/guid.lua
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@ -12,6 +12,23 @@ local function insert_text_at_pos(text, pos)
vim.fn.setline(pos.row, prefix .. text .. suffix)
end
local function find_pattern(pattern, flags)
local row, col = unpack(vim.fn.searchpos(pattern, flags))
if row ~= 0 or col ~= 0 then
local text = vim.fn.matchstr(vim.fn.getline(row), pattern)
return {row = row, col = col, text = text}
end
end
local function find_pattern_at_pos(pattern, pos)
for _, flags in ipairs({'cnW', 'bnW'}) do
local match_pos = find_pattern(pattern, flags)
if match_pos and match_pos.row == pos.row and match_pos.col <= pos.col and match_pos.col + #match_pos.text > pos.col then
return match_pos
end
end
end
local function guid_generate()
local bytes = {}
for i = 1, 16 do
@ -20,6 +37,19 @@ local function guid_generate()
return bytes
end
local function guid_parse(text)
local text_stripped = text:gsub('[-]', '')
assert(#text_stripped == 32)
local bytes = {}
for i = 0, 30, 2 do
local text_byte = text_stripped:sub(1 + i, 2 + i)
table.insert(bytes, tonumber(text_byte, 16))
end
return bytes
end
local function guid_print(guid, style)
if style == '' then
style = 'd'
@ -55,6 +85,8 @@ local function guid_print(guid, style)
return guid_printed
end
-- [465a78ad-93cc-732e-a836-9824d49506d6]
local function guid_insert(style)
local pos = get_cursor_pos()
local guid = guid_generate()
@ -62,8 +94,25 @@ local function guid_insert(style)
insert_text_at_pos(guid_printed, pos)
end
local function guid_format()
local function guid_format(style)
local pos = get_cursor_pos()
local patterns = {
'[0-9a-fA-F]\\{8\\}-[0-9a-fA-F]\\{4\\}-[0-9a-fA-F]\\{4\\}-[0-9a-fA-F]\\{4\\}-[0-9a-fA-F]\\{12\\}'
}
for _, pattern in ipairs(patterns) do
local match_pos = find_pattern_at_pos(pattern, pos)
if match_pos then
local guid = guid_parse(match_pos.text)
local line = vim.fn.getline(pos.row)
---@diagnostic disable-next-line: undefined-field
local line_prefix = line:sub(1, match_pos.col - 1)
---@diagnostic disable-next-line: undefined-field
local line_suffix = line:sub(match_pos.col + #match_pos.text)
vim.fn.setline(match_pos.row, line_prefix .. guid_print(guid, style) .. line_suffix)
return
end
end
end
return {