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authorkiyan <yazdani.kiyan@protonmail.com>2022-07-18 12:29:02 +0200
committerChristian Clason <christian.clason@uni-due.de>2022-07-18 15:44:59 +0200
commit8b748a7570b89822d47ac0ed0f694efda6523c7d (patch)
treeb18e487072db2ecf15cb5f88d04f7410d804bdfa /lua/nvim-treesitter/statusline.lua
parent91ee9e73767a518fbc04562a84b590a18db9f68d (diff)
chore: cleanup main file, move statusline in module
Diffstat (limited to 'lua/nvim-treesitter/statusline.lua')
-rw-r--r--lua/nvim-treesitter/statusline.lua50
1 files changed, 50 insertions, 0 deletions
diff --git a/lua/nvim-treesitter/statusline.lua b/lua/nvim-treesitter/statusline.lua
new file mode 100644
index 00000000..82be0653
--- /dev/null
+++ b/lua/nvim-treesitter/statusline.lua
@@ -0,0 +1,50 @@
+local parsers = require "nvim-treesitter.parsers"
+local ts_utils = require "nvim-treesitter.ts_utils"
+
+local M = {}
+
+-- Trim spaces and opening brackets from end
+local transform_line = function(line)
+ return line:gsub("%s*[%[%(%{]*%s*$", "")
+end
+
+function M.statusline(opts)
+ if not parsers.has_parser() then
+ return
+ end
+ local options = opts or {}
+ -- if type(opts) == "number" then
+ -- options = { indicator_size = opts }
+ -- end
+ local bufnr = options.bufnr or 0
+ local indicator_size = options.indicator_size or 100
+ local type_patterns = options.type_patterns or { "class", "function", "method" }
+ local transform_fn = options.transform_fn or transform_line
+ local separator = options.separator or " -> "
+
+ local current_node = ts_utils.get_node_at_cursor()
+ if not current_node then
+ return ""
+ end
+
+ local lines = {}
+ local expr = current_node
+
+ while expr do
+ local line = ts_utils._get_line_for_node(expr, type_patterns, transform_fn, bufnr)
+ if line ~= "" and not vim.tbl_contains(lines, line) then
+ table.insert(lines, 1, line)
+ end
+ expr = expr:parent()
+ end
+
+ local text = table.concat(lines, separator)
+ local text_len = #text
+ if text_len > indicator_size then
+ return "..." .. text:sub(text_len - indicator_size, text_len)
+ end
+
+ return text
+end
+
+return M