dev (#1)

* dev * Improve sync design * Support buffer local mapping * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * stylua * tmp * tmp * tmp * tmp * tmp * tmp * tmp * integration * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * update * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp
2021-08-04 01:07:12 +09:00
parent b32a6e7e77
commit d23d3533cf
53 changed files with 4681 additions and 0 deletions
--- a/lua/cmp/utils/char.lua
+++ b/lua/cmp/utils/char.lua
@@ -0,0 +1,113 @@
+local alpha = {}
+string.gsub('abcdefghijklmnopqrstuvwxyz', '.', function(char)
+  alpha[string.byte(char)] = true
+end)
+
+local ALPHA = {}
+string.gsub('ABCDEFGHIJKLMNOPQRSTUVWXYZ', '.', function(char)
+  ALPHA[string.byte(char)] = true
+end)
+
+local digit = {}
+string.gsub('1234567890', '.', function(char)
+  digit[string.byte(char)] = true
+end)
+
+local white = {}
+string.gsub(' \t\n', '.', function(char)
+  white[string.byte(char)] = true
+end)
+
+local char = {}
+
+---@param byte number
+---@return boolean
+char.is_upper = function(byte)
+  return ALPHA[byte]
+end
+
+---@param byte number
+---@return boolean
+char.is_alpha = function(byte)
+  return alpha[byte] or ALPHA[byte]
+end
+
+---@param byte number
+---@return boolean
+char.is_digit = function(byte)
+  return digit[byte]
+end
+
+---@param byte number
+---@return boolean
+char.is_white = function(byte)
+  return white[byte]
+end
+
+---@param byte number
+---@return boolean
+char.is_symbol = function(byte)
+  return not (char.is_alnum(byte) or char.is_white(byte))
+end
+
+---@param byte number
+---@return boolean
+char.is_printable = function(byte)
+  return string.match(string.char(byte), '^%c$') == nil
+end
+
+---@param byte number
+---@return boolean
+char.is_alnum = function(byte)
+  return char.is_alpha(byte) or char.is_digit(byte)
+end
+
+---@param text string
+---@param index number
+---@return boolean
+char.is_semantic_index = function(text, index)
+  if index <= 1 then
+    return true
+  end
+
+  local prev = string.byte(text, index - 1)
+  local curr = string.byte(text, index)
+
+  if not char.is_upper(prev) and char.is_upper(curr) then
+    return true
+  end
+  if char.is_symbol(curr) or char.is_white(curr) then
+    return true
+  end
+  if not char.is_alpha(prev) and char.is_alpha(curr) then
+    return true
+  end
+  return false
+end
+
+---@param text string
+---@param current_index number
+---@return boolean
+char.get_next_semantic_index = function(text, current_index)
+  for i = current_index + 1, #text do
+    if char.is_semantic_index(text, i) then
+      return i
+    end
+  end
+  return #text + 1
+end
+
+---Ignore case match
+---@param byte1 number
+---@param byte2 number
+---@return boolean
+char.match = function(byte1, byte2)
+  if not char.is_alpha(byte1) or not char.is_alpha(byte2) then
+    return byte1 == byte2
+  end
+  local diff = byte1 - byte2
+  return diff == 0 or diff == 32 or diff == -32
+end
+
+return char
+