feat: implementing backend-agnostic run_request

Author: teto

lua/rest-nvim/config/init.lua

@@ -5,6 +5,8 @@ local config = {
   result_split_in_place = false,
   skip_ssl_verification = false,
   encode_url = true,
+  -- one of 'classic' or 'treesitter'
+  engine = 'classic',
   highlight = {
     enabled = true,
     timeout = 150,

lua/rest-nvim/init.lua

@@ -1,14 +1,20 @@
-local request = require("rest-nvim.request")
+local request = require("rest-nvim.request.classic")
 local config = require("rest-nvim.config")
 local curl = require("rest-nvim.curl")
 local log = require("plenary.log").new({ plugin = "rest.nvim" })
 
 local rest = {}
 local Opts = {}
-local LastOpts = {}
+local defaultRequestOpts = {
+    verbose = false,
+    highlight = false,
+    engine = 'classic'
+  }
 
+local LastOpts = {}
 rest.setup = function(user_configs)
   config.set(user_configs or {})
+
 end
 
 -- run will retrieve the required request information from the current buffer
@@ -31,27 +37,29 @@ end
 -- @param string filename to load
 -- @param opts table
 --           1. keep_going boolean keep running even when last request failed
+--           2. verbose boolean 
 rest.run_file = function(filename, opts)
   log.info("Running file :" .. filename)
-  local new_buf = vim.api.nvim_create_buf(false, false)
+  opts = vim.tbl_deep_extend(
+    "force", -- use value from rightmost map
+    defaultRequestOpts,
+    opts or {}
+  )
+  backend = require("rest-nvim.request."..opts.engine)
+
+  -- 0 on error or buffer handle
+  local new_buf = vim.api.nvim_create_buf(true, false)
 
   vim.api.nvim_win_set_buf(0, new_buf)
   vim.cmd.edit(filename)
-  local last_line = vim.fn.line("$")
-
-  -- reset cursor position
-  vim.fn.cursor(1, 1)
-  local curpos = vim.fn.getcurpos()
-  while curpos[2] <= last_line do
-    local ok, req = request.buf_get_request(new_buf, curpos)
-    if ok then
-      -- request.print_request(req)
-      curpos[2] = req.end_line + 1
-      rest.run_request(req, opts)
-    else
-      return false, req
-    end
+
+  local requests = backend.buf_list_requests(new_buf)
+  for _, req in pairs(requests) do
+    vim.pretty_print("Request:")
+    vim.pretty_print(req)
+    rest.run_request(req, opts)
   end
+
   return true
 end
 
@@ -62,12 +70,11 @@ end
 -- @param opts table
 --           1. keep_going boolean keep running even when last request failed
 rest.run_request = function(req, opts)
+  -- TODO rename result to req
   local result = req
   opts = vim.tbl_deep_extend(
     "force", -- use value from rightmost map
-    { verbose = false,
-      highlight = false
-    }, -- defaults
+    defaultRequestOpts,
     opts or {}
   )
 

lua/rest-nvim/request/init.lua lua/rest-nvim/request/classic.lualua/rest-nvim/request/init.lua renamed to lua/rest-nvim/request/classic.lua

@@ -177,6 +177,7 @@ local function get_curl_args(bufnr, headers_end, end_line)
   local curl_args = {}
   local body_start = end_line
 
+  log.debug("Getting curl args between lines", headers_end, " and ", end_line)
   for line_number = headers_end, end_line do
     local line_content = vim.fn.getbufline(bufnr, line_number)[1]
 
@@ -399,6 +400,27 @@ M.stringify_request = function(req, opts)
   return (str)
 end
 
+M.buf_list_requests = function(buf, _opts)
+  local last_line = vim.fn.line("$")
+  local requests = {}
+
+  -- reset cursor position
+  vim.fn.cursor({1, 1})
+  local curpos = vim.fn.getcurpos()
+  log.debug("Listing requests for buf ", buf)
+  while curpos[2] <= last_line do
+    local ok, req = M.buf_get_request(buf, curpos)
+    if ok then
+      curpos[2] = req.end_line + 1
+      requests[#requests + 1] = req
+    else
+      break
+    end
+  end
+  -- log.debug("found " , #requests , "requests")
+  return requests
+end
+
 local select_ns = vim.api.nvim_create_namespace("rest-nvim")
 M.highlight = function(bufnr, start_line, end_line)
   local opts = config.get("highlight") or {}