1 files changed, 51 insertions, 0 deletions
diff --git a/lua/nvterm/termutil.lua b/lua/nvterm/termutil.lua
new file mode 100644
index 0000000..92fc632
--- /dev/null
+++ b/lua/nvterm/termutil.lua
@@ -0,0 +1,51 @@
+local util = {}
+local a = vim.api
+
+util.calc_float_opts = function(opts)
+  return {
+    relative = "editor",
+    width = math.ceil(opts.width*vim.o.columns),
+    height = math.ceil(opts.height*vim.o.lines),
+    row = math.floor(opts.row*vim.o.lines),
+    col = math.floor(opts.col*vim.o.columns),
+    border = opts.border,
+  }
+end
+
+util.get_split_dims = function(type, ratio)
+  local type_switch = type == "horizontal"
+  local type_func = type_switch and a.nvim_win_get_height or a.nvim_win_get_width
+  return math.floor(type_func(0) * ratio)
+end
+
+util.execute_type_cmd = function(type, terminals)
+  local opts = terminals.type_opts[type]
+  local type_cmds = {
+    horizontal = function()
+      local dims = util.get_split_dims(type, opts.split_ratio)
+      vim.cmd(opts.location .. dims .. " split")
+    end,
+    vertical = function()
+      local dims = util.get_split_dims(type, opts.split_ratio)
+      vim.cmd(opts.location .. dims .. " vsplit")
+    end,
+    float = function()
+      a.nvim_open_win(0, true, util.calc_float_opts(opts))
+    end,
+  }
+  type_cmds[type]()
+end
+
+
+util.verify_terminals = function (terminals)
+  terminals.list = vim.tbl_filter(function(term)
+    return vim.api.nvim_buf_is_valid(term.buf)
+  end, terminals.list)
+  terminals.list = vim.tbl_map(function(term)
+    term.open = vim.api.nvim_win_is_valid(term.win)
+    return term
+  end, terminals.list)
+  return terminals
+end
+
+return util