1 files changed, 123 insertions, 0 deletions
diff --git a/lua/lang/tex.lua b/lua/lang/tex.lua
new file mode 100644
index 00000000..39dfd29d
--- /dev/null
+++ b/lua/lang/tex.lua
@@ -0,0 +1,123 @@
+local M = {}
+
+M.config = function()
+  -- TODO: implement config for language
+  return "No config available!"
+end
+
+M.format = function()
+  -- TODO: implement formatter for language
+  return "No formatter available!"
+end
+
+M.lint = function()
+  -- TODO: implement linters (if applicable)
+  return "No linters configured!"
+end
+
+M.lsp = function()
+  if require("lv-utils").check_lsp_client_active "texlab" then
+    return
+  end
+
+  local preview_settings = {}
+
+  local sumatrapdf_args = { "-reuse-instance", "%p", "-forward-search", "%f", "%l" }
+  local evince_args = { "-f", "%l", "%p", '"code -g %f:%l"' }
+  local okular_args = { "--unique", "file:%p#src:%l%f" }
+  local zathura_args = { "--synctex-forward", "%l:1:%f", "%p" }
+  local qpdfview_args = { "--unique", "%p#src:%f:%l:1" }
+  local skim_args = { "%l", "%p", "%f" }
+
+  if O.lang.latex.forward_search.executable == "C:/Users/{User}/AppData/Local/SumatraPDF/SumatraPDF.exe" then
+    preview_settings = sumatrapdf_args
+  elseif O.lang.latex.forward_search.executable == "evince-synctex" then
+    preview_settings = evince_args
+  elseif O.lang.latex.forward_search.executable == "okular" then
+    preview_settings = okular_args
+  elseif O.lang.latex.forward_search.executable == "zathura" then
+    preview_settings = zathura_args
+  elseif O.lang.latex.forward_search.executable == "qpdfview" then
+    preview_settings = qpdfview_args
+  elseif O.lang.latex.forward_search.executable == "/Applications/Skim.app/Contents/SharedSupport/displayline" then
+    preview_settings = skim_args
+  end
+
+  require("lspconfig").texlab.setup {
+    cmd = { DATA_PATH .. "/lspinstall/latex/texlab" },
+    on_attach = require("lsp").common_on_attach,
+    handlers = {
+      ["textDocument/publishDiagnostics"] = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
+        virtual_text = O.lang.latex.diagnostics.virtual_text,
+        signs = O.lang.latex.diagnostics.signs,
+        underline = O.lang.latex.diagnostics.underline,
+        update_in_insert = true,
+      }),
+    },
+    filetypes = { "tex", "bib" },
+    settings = {
+      texlab = {
+        auxDirectory = O.lang.latex.aux_directory,
+        bibtexFormatter = O.lang.latex.bibtex_formatter,
+        build = {
+          args = O.lang.latex.build.args,
+          executable = O.lang.latex.build.executable,
+          forwardSearchAfter = O.lang.latex.build.forward_search_after,
+          onSave = O.lang.latex.build.on_save,
+        },
+        chktex = {
+          onEdit = O.lang.latex.chktex.on_edit,
+          onOpenAndSave = O.lang.latex.chktex.on_open_and_save,
+        },
+        diagnosticsDelay = O.lang.latex.diagnostics_delay,
+        formatterLineLength = O.lang.latex.formatter_line_length,
+        forwardSearch = {
+          args = preview_settings,
+          executable = O.lang.latex.forward_search.executable,
+        },
+        latexFormatter = O.lang.latex.latex_formatter,
+        latexindent = {
+          modifyLineBreaks = O.lang.latex.latexindent.modify_line_breaks,
+        },
+      },
+    },
+  }
+  vim.g.vimtex_compiler_method = "latexmk"
+  vim.g.vimtex_view_method = "zathura"
+  vim.g.vimtex_fold_enabled = 0
+  vim.g.vimtex_quickfix_ignore_filters = O.lang.latex.ignore_errors
+
+  O.plugin.which_key.mappings["t"] = {
+    name = "+Latex",
+    c = { "<cmd>VimtexCompile<cr>", "Toggle Compilation Mode" },
+    f = { "<cmd>call vimtex#fzf#run()<cr>", "Fzf Find" },
+    i = { "<cmd>VimtexInfo<cr>", "Project Information" },
+    s = { "<cmd>VimtexStop<cr>", "Stop Project Compilation" },
+    t = { "<cmd>VimtexTocToggle<cr>", "Toggle Table Of Content" },
+    v = { "<cmd>VimtexView<cr>", "View PDF" },
+    b = { "<cmd>TexlabBuild<cr>", "Build with Texlab" },
+    p = { "<cmd>TexlabForward<cr>", "Preview with Texlab" },
+  }
+
+  -- Compile on initialization, cleanup on quit
+  vim.api.nvim_exec(
+    [[
+        augroup vimtex_event_1
+            au!
+            au User VimtexEventQuit     call vimtex#compiler#clean(0)
+            au User VimtexEventInitPost call vimtex#compiler#compile()
+        augroup END
+    ]],
+    false
+  )
+  if O.lang.latex.auto_save then
+    vim.api.nvim_exec([[au FocusLost * :wa]], false)
+  end
+end
+
+M.dap = function()
+  -- TODO: implement dap
+  return "No DAP configured!"
+end
+
+return M