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path: root/start/lspconfig-0.1.8/lua/lspconfig/server_configurations/texlab.lua
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local util = require 'lspconfig.util'

local texlab_build_status = {
  [0] = 'Success',
  [1] = 'Error',
  [2] = 'Failure',
  [3] = 'Cancelled',
}

local texlab_forward_status = {
  [0] = 'Success',
  [1] = 'Error',
  [2] = 'Failure',
  [3] = 'Unconfigured',
}

local function buf_build(bufnr)
  bufnr = util.validate_bufnr(bufnr)
  local texlab_client = util.get_active_client_by_name(bufnr, 'texlab')
  local pos = vim.api.nvim_win_get_cursor(0)
  local params = {
    textDocument = { uri = vim.uri_from_bufnr(bufnr) },
    position = { line = pos[1] - 1, character = pos[2] },
  }
  if texlab_client then
    texlab_client.request('textDocument/build', params, function(err, result)
      if err then
        error(tostring(err))
      end
      print('Build ' .. texlab_build_status[result.status])
    end, bufnr)
  else
    print 'method textDocument/build is not supported by any servers active on the current buffer'
  end
end

local function buf_search(bufnr)
  bufnr = util.validate_bufnr(bufnr)
  local texlab_client = util.get_active_client_by_name(bufnr, 'texlab')
  local pos = vim.api.nvim_win_get_cursor(0)
  local params = {
    textDocument = { uri = vim.uri_from_bufnr(bufnr) },
    position = { line = pos[1] - 1, character = pos[2] },
  }
  if texlab_client then
    texlab_client.request('textDocument/forwardSearch', params, function(err, result)
      if err then
        error(tostring(err))
      end
      print('Search ' .. texlab_forward_status[result.status])
    end, bufnr)
  else
    print 'method textDocument/forwardSearch is not supported by any servers active on the current buffer'
  end
end

-- bufnr isn't actually required here, but we need a valid buffer in order to
-- be able to find the client for buf_request.
-- TODO find a client by looking through buffers for a valid client?
-- local function build_cancel_all(bufnr)
--   bufnr = util.validate_bufnr(bufnr)
--   local params = { token = "texlab-build-*" }
--   lsp.buf_request(bufnr, 'window/progress/cancel', params, function(err, method, result, client_id)
--     if err then error(tostring(err)) end
--     print("Cancel result", vim.inspect(result))
--   end)
-- end

return {
  default_config = {
    cmd = { 'texlab' },
    filetypes = { 'tex', 'plaintex', 'bib' },
    root_dir = util.root_pattern('.git', '.latexmkrc', '.texlabroot', 'texlabroot', 'Tectonic.toml'),
    single_file_support = true,
    settings = {
      texlab = {
        rootDirectory = nil,
        build = {
          executable = 'latexmk',
          args = { '-pdf', '-interaction=nonstopmode', '-synctex=1', '%f' },
          onSave = false,
          forwardSearchAfter = false,
        },
        auxDirectory = '.',
        forwardSearch = {
          executable = nil,
          args = {},
        },
        chktex = {
          onOpenAndSave = false,
          onEdit = false,
        },
        diagnosticsDelay = 300,
        latexFormatter = 'latexindent',
        latexindent = {
          ['local'] = nil, -- local is a reserved keyword
          modifyLineBreaks = false,
        },
        bibtexFormatter = 'texlab',
        formatterLineLength = 80,
      },
    },
  },
  commands = {
    TexlabBuild = {
      function()
        buf_build(0)
      end,
      description = 'Build the current buffer',
    },
    TexlabForward = {
      function()
        buf_search(0)
      end,
      description = 'Forward search from current position',
    },
  },
  docs = {
    description = [[
https://github.com/latex-lsp/texlab

A completion engine built from scratch for (La)TeX.

See https://github.com/latex-lsp/texlab/wiki/Configuration for configuration options.
]],
  },
}