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local util = require 'lspconfig.util'
local function client_with_fn(fn)
return function()
local bufnr = vim.api.nvim_get_current_buf()
local client = vim.lsp.get_clients({ bufnr = bufnr, name = 'texlab' })[1]
if not client then
return vim.notify(('texlab client not found in bufnr %d'):format(bufnr), vim.log.levels.ERROR)
end
fn(client, bufnr)
end
end
local function buf_build(client, bufnr)
local win = vim.api.nvim_get_current_win()
local params = vim.lsp.util.make_position_params(win, client.offset_encoding)
client.request('textDocument/build', params, function(err, result)
if err then
error(tostring(err))
end
local texlab_build_status = {
[0] = 'Success',
[1] = 'Error',
[2] = 'Failure',
[3] = 'Cancelled',
}
vim.notify('Build ' .. texlab_build_status[result.status], vim.log.levels.INFO)
end, bufnr)
end
local function buf_search(client, bufnr)
local win = vim.api.nvim_get_current_win()
local params = vim.lsp.util.make_position_params(win, client.offset_encoding)
client.request('textDocument/forwardSearch', params, function(err, result)
if err then
error(tostring(err))
end
local texlab_forward_status = {
[0] = 'Success',
[1] = 'Error',
[2] = 'Failure',
[3] = 'Unconfigured',
}
vim.notify('Search ' .. texlab_forward_status[result.status], vim.log.levels.INFO)
end, bufnr)
end
local function buf_cancel_build(client, bufnr)
if vim.fn.has 'nvim-0.11' == 1 then
return client:exec_cmd({
title = 'cancel',
command = 'texlab.cancelBuild',
}, { bufnr = bufnr })
end
vim.lsp.buf.execute_command { command = 'texlab.cancelBuild' }
vim.notify('Build cancelled', vim.log.levels.INFO)
end
local function dependency_graph(client)
client.request('workspace/executeCommand', { command = 'texlab.showDependencyGraph' }, function(err, result)
if err then
return vim.notify(err.code .. ': ' .. err.message, vim.log.levels.ERROR)
end
vim.notify('The dependency graph has been generated:\n' .. result, vim.log.levels.INFO)
end, 0)
end
local function command_factory(cmd)
local cmd_tbl = {
Auxiliary = 'texlab.cleanAuxiliary',
Artifacts = 'texlab.cleanArtifacts',
CancelBuild = 'texlab.cancelBuild',
}
return function(client, bufnr)
if vim.fn.has 'nvim-0.11' == 1 then
return client:exec_cmd({
title = ('clean_%s'):format(cmd),
command = cmd_tbl[cmd],
arguments = { { uri = vim.uri_from_bufnr(bufnr) } },
}, { bufnr = bufnr }, function(err, _)
if err then
vim.notify(('Failed to clean %s files: %s'):format(cmd, err.message), vim.log.levels.ERROR)
else
vim.notify(('command %s executed successfully'):format(cmd), vim.log.levels.INFO)
end
end)
end
vim.lsp.buf.execute_command {
command = cmd_tbl[cmd],
arguments = { { uri = vim.uri_from_bufnr(bufnr) } },
}
vim.notify(('command %s executed successfully'):format(cmd_tbl[cmd]))
end
end
local function buf_find_envs(client, bufnr)
local win = vim.api.nvim_get_current_win()
client.request('workspace/executeCommand', {
command = 'texlab.findEnvironments',
arguments = { vim.lsp.util.make_position_params(win, client.offset_encoding) },
}, function(err, result)
if err then
return vim.notify(err.code .. ': ' .. err.message, vim.log.levels.ERROR)
end
local env_names = {}
local max_length = 1
for _, env in ipairs(result) do
table.insert(env_names, env.name.text)
max_length = math.max(max_length, string.len(env.name.text))
end
for i, name in ipairs(env_names) do
env_names[i] = string.rep(' ', i - 1) .. name
end
vim.lsp.util.open_floating_preview(env_names, '', {
height = #env_names,
width = math.max((max_length + #env_names - 1), (string.len 'Environments')),
focusable = false,
focus = false,
border = 'single',
title = 'Environments',
})
end, bufnr)
end
local function buf_change_env(client, bufnr)
local new = vim.fn.input 'Enter the new environment name: '
if not new or new == '' then
return vim.notify('No environment name provided', vim.log.levels.WARN)
end
local pos = vim.api.nvim_win_get_cursor(0)
if vim.fn.has 'nvim-0.11' == 1 then
return client:exec_cmd({
title = 'change_environment',
command = 'texlab.changeEnvironment',
arguments = {
{
textDocument = { uri = vim.uri_from_bufnr(bufnr) },
position = { line = pos[1] - 1, character = pos[2] },
newName = tostring(new),
},
},
}, { bufnr = bufnr })
end
vim.lsp.buf.execute_command {
command = 'texlab.changeEnvironment',
arguments = {
{
textDocument = { uri = vim.uri_from_bufnr(bufnr) },
position = { line = pos[1] - 1, character = pos[2] },
newName = tostring(new),
},
},
}
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,
},
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 = {
client_with_fn(buf_build),
description = 'Build the current buffer',
},
TexlabForward = {
client_with_fn(buf_search),
description = 'Forward search from current position',
},
TexlabCancelBuild = {
client_with_fn(buf_cancel_build),
description = 'Cancel the current build',
},
TexlabDependencyGraph = {
client_with_fn(dependency_graph),
description = 'Show the dependency graph',
},
TexlabCleanArtifacts = {
client_with_fn(command_factory('Artifacts')),
description = 'Clean the artifacts',
},
TexlabCleanAuxiliary = {
client_with_fn(command_factory('Auxiliary')),
description = 'Clean the auxiliary files',
},
TexlabFindEnvironments = {
client_with_fn(buf_find_envs),
description = 'Find the environments at current position',
},
TexlabChangeEnvironment = {
client_with_fn(buf_change_env),
description = 'Change the environment at 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.
]],
},
}
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