remove nvim 9 support

Author: icholy

README.md

@@ -1,6 +1,6 @@
 # LSPLINKS
 
-> Support for [document links](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_documentLink) for neovim **0.9+**.
+> Support for [document links](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_documentLink) for neovim **0.10+**.
 
 ### Usage
 

lua/lsplinks.lua

@@ -56,23 +56,6 @@ local function in_range(pos, range)
   end
 end
 
----@param name string
----@return boolean
-local function lsp_has_capability(name)
-  local clients = nil
-  if vim.lsp.get_clients then
-    local bufnr = api.nvim_get_current_buf()
-    clients = vim.lsp.get_clients({ bufnr = bufnr })
-  else
-    clients = vim.lsp.buf_get_clients()
-  end
-  for _, client in ipairs(clients) do
-    if client.server_capabilities[name] then
-      return true
-    end
-  end
-  return false
-end
 
 local augroup = api.nvim_create_augroup("lsplinks", { clear = true })
 
@@ -108,18 +91,6 @@ function M.current()
   return nil
 end
 
---- Return the uri without the fragment
----
----@param uri string
----@return string
-local function remove_uri_fragment(uri)
-  local fragment_index = uri:find("#")
-  if fragment_index ~= nil then
-    uri = uri:sub(1, fragment_index - 1)
-  end
-  return uri
-end
-
 --- Open the link under the cursor if one exists.
 --- The return value indicates if a link was found.
 ---
@@ -131,26 +102,13 @@ function M.open(uri)
     return false
   end
   if uri:find("^file:/") then
-    util.show_document({ uri = remove_uri_fragment(uri) }, "utf-8", { reuse_win = true, focus = true })
+    util.show_document({ uri = uri }, "utf-8", { reuse_win = true, focus = true })
     local line_no, col_no = uri:match(".-#(%d+),(%d+)")
     if line_no then
       api.nvim_win_set_cursor(0, { tonumber(line_no), tonumber(col_no) - 1 })
     end
   else
-    if vim.ui.open then
-      vim.ui.open(uri)
-    else
-      -- for nvim earlier than 0.10
-      local opener
-      if vim.fn.has("macunix") == 1 then
-        opener = "open"
-      elseif vim.fn.has("linux") == 1 then
-        opener = "xdg-open"
-      elseif vim.fn.has("win64") == 1 or vim.fn.has("win32") == 1 then
-        opener = "start"
-      end
-      vim.fn.system(string.format("%s '%s' >/dev/null 2>&1", opener, uri))
-    end
+    vim.ui.open(uri)
   end
   return true
 end
@@ -164,9 +122,6 @@ end
 
 -- Refresh the links for the current buffer
 function M.refresh()
-  if not lsp_has_capability("documentLinkProvider") then
-    return
-  end
   local params = { textDocument = util.make_text_document_params() }
   vim.lsp.buf_request(0, "textDocument/documentLink", params, function(err, result, ctx)
     if err then
@@ -190,7 +145,8 @@ function M.refresh()
     if options.highlight then
       M.display()
     end
-  end)
+  end, function() end
+  )
 end
 
 --- Get links for bufnr
@@ -217,13 +173,15 @@ end
 function M.display()
   api.nvim_buf_clear_namespace(0, ns, 0, -1)
   for _, link in ipairs(M.get()) do
-    local start_lnum = link.range.start.line
-    local end_lnum = link.range["end"].line
+    local start_row = link.range.start.line
+    local start_col = translate(start_row, link.range.start.character)
+    local end_row = link.range["end"].line
+    local end_col = translate(end_row, link.range["end"].character)
     -- sometimes the buffer is changed before we get here and the link
     -- ranges are invalid, so we ignore the error.
-    pcall(api.nvim_buf_set_extmark, 0, ns, start_lnum, translate(start_lnum, link.range.start.character), {
-      end_row = end_lnum,
-      end_col = translate(end_lnum, link.range["end"].character),
+    pcall(api.nvim_buf_set_extmark, 0, ns, start_row, start_col, {
+      end_row = end_row,
+      end_col = end_col,
       hl_group = options.hl_group,
     })
   end