LSP 3.17 (#1306)

* 3.17

* PositionEncodingKind

* Implement PositionEncodingKind

* Remove luarc.json

lua/cmp/core_spec.lua

@@ -8,9 +8,19 @@ local api = require('cmp.utils.api')
 
 describe('cmp.core', function()
   describe('confirm', function()
-    local confirm = function(request, filter, completion_item)
+    ---@param request string
+    ---@param filter string
+    ---@param completion_item lsp.CompletionItem
+    ---@param option? { position_encoding_kind: lsp.PositionEncodingKind }
+    ---@return table
+    local confirm = function(request, filter, completion_item, option)
+      option = option or {}
+
       local c = core.new()
       local s = source.new('spec', {
+      get_position_encoding_kind = function()
+        return option.position_encoding_kind or types.lsp.PositionEncodingKind.UTF16
+      end,
         complete = function(_, _, callback)
           callback({ completion_item })
         end,
@@ -23,7 +33,8 @@ describe('cmp.core', function()
         end)
       end)
       feedkeys.call(filter, 'n', function()
-        c:confirm(c.sources[s.id].entries[1], {})
+        c:confirm(c.sources[s.id].entries[1], {}, function()
+        end)
       end)
       local state = {}
       feedkeys.call('', 'x', function()
@@ -111,6 +122,46 @@ describe('cmp.core', function()
         assert.are.same(state.buffer, { '***foo', 'bar', 'baz***' })
         assert.are.same(state.cursor, { 2, 2 })
       end)
+
+      local char = '🗿'
+      for _, case in ipairs({
+        {
+          encoding = types.lsp.PositionEncodingKind.UTF8,
+          char_size = #char
+        },
+        {
+          encoding = types.lsp.PositionEncodingKind.UTF16,
+          char_size = select(2, vim.str_utfindex(char))
+        },
+        {
+          encoding = types.lsp.PositionEncodingKind.UTF32,
+          char_size = select(1, vim.str_utfindex(char))
+        },
+      }) do
+        it('textEdit & multibyte: ' .. case.encoding , function()
+        local state = confirm(keymap.t('i%s:%s%s:%s<Left><Left><Left>'):format(char, char, char, char), char, {
+            label = char .. char .. char,
+            textEdit = {
+              range = {
+                start = {
+                  line = 0,
+                  character = case.char_size + #':'
+                },
+                ['end'] = {
+                  line = 0,
+                  character = case.char_size + #':' + case.char_size + case.char_size
+                },
+              },
+              newText = char .. char .. char .. char .. char,
+            }
+          }, {
+            position_encoding_kind = case.encoding
+          })
+          vim.pretty_print({ state = state, case = case  })
+          assert.are.same(state.buffer, { ('%s:%s%s%s%s%s:%s'):format(char, char, char, char, char, char, char) })
+          assert.are.same(state.cursor, { 1, #('%s:%s%s%s%s%s'):format(char, char, char, char, char, char) })
+        end)
+      end
     end)
 
     describe('cmdline-mode', function()