1 files changed, 96 insertions, 0 deletions
diff --git a/lua/cmake/utils.lua b/lua/cmake/utils.lua
new file mode 100644
index 0000000..1c68fae
--- /dev/null
+++ b/lua/cmake/utils.lua
@@ -0,0 +1,96 @@
+local config = require("cmake.config")
+local capabilities = require("cmake.capabilities")
+local scan = require("plenary.scandir")
+local Path = require("plenary.path")
+local uv = vim.loop
+
+local utils = {}
+
+utils.substitude = function(str, subs)
+	local ret = str
+	for k, v in pairs(subs) do
+		ret = ret:gsub(k, v)
+	end
+	return ret
+end
+
+function utils.touch_file(path, txt, flag, callback)
+	uv.fs_open(path, flag, 438, function(err, fd)
+		assert(not err, err)
+		assert(fd)
+		uv.fs_close(fd, function(c_err)
+			assert(not c_err, c_err)
+			if type(callback) == "function" then
+				callback()
+			end
+		end)
+	end)
+end
+
+function utils.file_exists(path, callback)
+	uv.fs_stat(path, function(err, _)
+		local exists
+		if err then
+			exists = false
+		else
+			exists = true
+		end
+		if type(callback) == "function" then
+			callback(exists)
+		end
+	end)
+end
+
+function utils.read_file(path, callback)
+	uv.fs_open(path, "r", 438, function(err, fd)
+		assert(not err, err)
+		assert(fd, fd)
+		uv.fs_fstat(fd, function(s_err, stat)
+			assert(not s_err, s_err)
+			assert(stat, stat)
+			uv.fs_read(fd, stat.size, 0, function(r_err, data)
+				assert(not r_err, r_err)
+				uv.fs_close(fd, function(c_err)
+					assert(not c_err, c_err)
+					callback(data)
+				end)
+			end)
+		end)
+	end)
+end
+
+function utils.write_file(path, txt, callback)
+	uv.fs_open(path, "w", 438, function(err, fd)
+		assert(not err, err)
+		assert(fd)
+		uv.fs_write(fd, txt, nil, function(w_err, _)
+			assert(not w_err, w_err)
+			uv.fs_close(fd, function(c_err)
+				assert(not c_err, c_err)
+				if type(callback) == "function" then
+					callback()
+				end
+			end)
+		end)
+	end)
+end
+
+--TODO: async mkdir -p
+
+function utils.symlink(src_path, dst_path, callback)
+	--TODO: replace to vim.fs.joinpath after nvim 0.10 release
+	local src = Path:new(src_path, "compile_commands.json")
+	if src:exists() then
+		vim.cmd(
+			'silent exec "!'
+				.. config.cmake_path
+				.. " -E create_symlink "
+				.. src:normalize()
+				.. " "
+				.. Path:new(dst_path, "compile_commands.json"):normalize()
+				.. '"'
+		)
+	end
+end
+
+return utils