From 5e401b693b929da36d08943d4fda0191fe12f02c Mon Sep 17 00:00:00 2001
From: Mathias Fussenegger <f.mathias@zignar.net>
Date: Mon, 15 Mar 2021 22:34:22 +0100
Subject: lsp: Add support for file rename via workspaceEdit

---
 runtime/lua/vim/lsp/util.lua | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'runtime/lua/vim/lsp/util.lua')

diff --git a/runtime/lua/vim/lsp/util.lua b/runtime/lua/vim/lsp/util.lua
index 4b528d7090..601a6ae8ca 100644
--- a/runtime/lua/vim/lsp/util.lua
+++ b/runtime/lua/vim/lsp/util.lua
@@ -612,6 +612,29 @@ function M.text_document_completion_list_to_complete_items(result, prefix)
   return matches
 end
 
+
+--- Rename old_fname to new_fname
+--
+--@param opts (table)
+--         overwrite? bool
+--         ignoreIfExists? bool
+function M.rename(old_fname, new_fname, opts)
+  opts = opts or {}
+  local bufnr = vim.fn.bufadd(old_fname)
+  vim.fn.bufload(bufnr)
+  local target_exists = vim.loop.fs_stat(new_fname) ~= nil
+  if target_exists and not opts.overwrite or opts.ignoreIfExists then
+    vim.notify('Rename target already exists. Skipping rename.')
+    return
+  end
+  local ok, err = os.rename(old_fname, new_fname)
+  assert(ok, err)
+  api.nvim_buf_call(bufnr, function()
+    vim.cmd('saveas! ' .. vim.fn.fnameescape(new_fname))
+  end)
+end
+
+
 --- Applies a `WorkspaceEdit`.
 ---
 --@param workspace_edit (table) `WorkspaceEdit`
@@ -619,8 +642,14 @@ end
 function M.apply_workspace_edit(workspace_edit)
   if workspace_edit.documentChanges then
     for idx, change in ipairs(workspace_edit.documentChanges) do
-      if change.kind then
-        -- TODO(ashkan) handle CreateFile/RenameFile/DeleteFile
+      if change.kind == "rename" then
+        M.rename(
+          vim.uri_to_fname(change.oldUri),
+          vim.uri_to_fname(change.newUri),
+          change.options
+        )
+      elseif change.kind then
+        -- TODO(ashkan) handle CreateFile/DeleteFile
         error(string.format("Unsupported change: %q", vim.inspect(change)))
       else
         M.apply_text_document_edit(change, idx)
-- 
cgit 


From 191afb42be90c3f39f445c8340632e732e6710f8 Mon Sep 17 00:00:00 2001
From: Mathias Fussenegger <f.mathias@zignar.net>
Date: Thu, 18 Mar 2021 11:07:06 +0100
Subject: lsp: Add support for create workspaceEdit resource operation

---
 runtime/lua/vim/lsp/util.lua | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'runtime/lua/vim/lsp/util.lua')

diff --git a/runtime/lua/vim/lsp/util.lua b/runtime/lua/vim/lsp/util.lua
index 601a6ae8ca..82fd77ea90 100644
--- a/runtime/lua/vim/lsp/util.lua
+++ b/runtime/lua/vim/lsp/util.lua
@@ -635,6 +635,18 @@ function M.rename(old_fname, new_fname, opts)
 end
 
 
+local function create_file(change)
+  local opts = change.options or {}
+  -- from spec: Overwrite wins over `ignoreIfExists`
+  local fname = vim.uri_to_fname(change.uri)
+  if not opts.ignoreIfExists or opts.overwrite then
+    local file = io.open(fname, 'w')
+    file:close()
+  end
+  vim.fn.bufadd(fname)
+end
+
+
 --- Applies a `WorkspaceEdit`.
 ---
 --@param workspace_edit (table) `WorkspaceEdit`
@@ -648,8 +660,10 @@ function M.apply_workspace_edit(workspace_edit)
           vim.uri_to_fname(change.newUri),
           change.options
         )
+      elseif change.kind == 'create' then
+        create_file(change)
       elseif change.kind then
-        -- TODO(ashkan) handle CreateFile/DeleteFile
+        -- TODO(ashkan) handle DeleteFile
         error(string.format("Unsupported change: %q", vim.inspect(change)))
       else
         M.apply_text_document_edit(change, idx)
-- 
cgit 


From 84213b5b9adfaaf133771432ca468cea8faa4cc9 Mon Sep 17 00:00:00 2001
From: Mathias Fussenegger <f.mathias@zignar.net>
Date: Thu, 18 Mar 2021 11:32:33 +0100
Subject: lsp: Add support for delete workspaceEdit resource operation

---
 runtime/lua/vim/lsp/util.lua | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'runtime/lua/vim/lsp/util.lua')

diff --git a/runtime/lua/vim/lsp/util.lua b/runtime/lua/vim/lsp/util.lua
index 82fd77ea90..6945d0f1ec 100644
--- a/runtime/lua/vim/lsp/util.lua
+++ b/runtime/lua/vim/lsp/util.lua
@@ -647,6 +647,27 @@ local function create_file(change)
 end
 
 
+local function delete_file(change)
+  local opts = change.options or {}
+  local fname = vim.uri_to_fname(change.uri)
+  local stat = vim.loop.fs_stat(fname)
+  if opts.ignoreIfNotExists and not stat then
+    return
+  end
+  assert(stat, "Cannot delete not existing file or folder " .. fname)
+  local flags
+  if stat and stat.type == 'directory' then
+    flags = opts.recursive and 'rf' or 'd'
+  else
+    flags = ''
+  end
+  local bufnr = vim.fn.bufadd(fname)
+  local result = tonumber(vim.fn.delete(fname, flags))
+  assert(result == 0, 'Could not delete file: ' .. fname .. ', stat: ' .. vim.inspect(stat))
+  api.nvim_buf_delete(bufnr, { force = true })
+end
+
+
 --- Applies a `WorkspaceEdit`.
 ---
 --@param workspace_edit (table) `WorkspaceEdit`
@@ -662,8 +683,9 @@ function M.apply_workspace_edit(workspace_edit)
         )
       elseif change.kind == 'create' then
         create_file(change)
+      elseif change.kind == 'delete' then
+        delete_file(change)
       elseif change.kind then
-        -- TODO(ashkan) handle DeleteFile
         error(string.format("Unsupported change: %q", vim.inspect(change)))
       else
         M.apply_text_document_edit(change, idx)
-- 
cgit