feat(pastebin): add pastebin.lua

lua/spacevim/plugin/pastebin.lua

@@ -0,0 +1,116 @@
+--=============================================================================
+-- pastebin.lua
+-- Copyright (c) 2016-2022 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+
+local job = require('spacevim.api.job')
+
+local log = require('spacevim.logger').derive('pastebin')
+
+local M = {}
+
+local job_id = -1
+
+local url = ''
+
+local function eval(f)
+  return f()
+end
+
+local function get_visual_selection()
+  local pos_start = vim.fn.getpos("'<")
+  local pos_end = vim.fn.getpos("'>")
+  local line_start = pos_start[2]
+  local column_start = pos_start[3]
+  local line_end = pos_end[2]
+  local column_end = pos_end[3]
+  local lines = vim.fn.getline(line_start, line_end)
+  if #lines == 0 then
+    return ''
+  end
+
+  local v_mode = vim.fn.visualmode()
+
+  if v_mode == 'v' or v_mode == 'V' then
+    lines[#lines] = string.sub(
+      lines[#lines],
+      1,
+      column_end - eval(function()
+        if vim.o.selection == 'inclusive' then
+          return 1
+        else
+          return 2
+        end
+      end)
+    )
+    lines[1] = string.sub(lines[1], column_start - 1, #lines[1])
+  else
+    for i = 1, #lines, 1 do
+      lines[i] = string.sub(
+        lines[i],
+        1,
+        column_end - eval(function()
+          if vim.o.selection == 'inclusive' then
+            return 1
+          else
+            return 2
+          end
+        end)
+      )
+      lines[i] = string.sub(lines[i], column_start - 1, #lines[i])
+    end
+  end
+  return table.concat(lines, '\n')
+end
+
+local function on_stdout(id, data)
+  for _, v in ipairs(data) do
+    log.info(v)
+  end
+end
+
+local function on_stderr(id, data)
+  for _, v in ipairs(data) do
+    log.warn(v)
+  end
+end
+
+local function on_exit(id, code, single)
+  job_id = -1
+  if code == 0 and single == 0 and url ~= '' then
+    vim.fn.setreg('+', url .. '.txt')
+    vim.api.nvim_echo({ { 'Pastebin:' .. url .. '.txt', 'Normal' } }, false, {})
+  else
+    log.warn('url:' .. url)
+    log.warn('exit code:' .. code)
+    log.warn('single code:' .. single)
+  end
+end
+
+function M.paste()
+  url = ''
+  local context = get_visual_selection()
+  if context == '' then
+    log.info('no selection text, skipped.')
+    return
+  end
+  if job_id ~= -1 then
+    log.info('previous job has not been finished, killed!')
+    job.stop(job_id)
+  end
+  local cmd = { 'curl', '-s', '-F', 'content=<-', 'http://dpaste.com/api/v2/' }
+  job_id = job.start(cmd, {
+    on_stdout = on_stdout,
+    on_stderr = on_stderr,
+    on_exit = on_exit,
+  })
+  log.info('job id:' .. job_id)
+  job.send(job_id, vim.split(context, '\n'))
+  job.chanclose(job_id, 'stdin')
+  job.stop(job_id)
+end
+
+return M