feat(renderer): Added basic language names to code blocks

Taken from Github syntax support page. A lot of them may be useless.

Ref: #72

lua/markview/languages.lua

@@ -0,0 +1,221 @@
+local languages = {};
+
+languages.patterns = {
+	{ ".*%.feature", "Cucumber" },
+
+	{ ".*%.abap", "Abap" },
+
+	{ ".*%.ada", "Ada" },
+	{ "adb", "Ada" },
+	{ "ads$", "Ada" },
+
+	{ "htaccess", "Apacheconf" },
+	{ "apache.conf", "Apacheconf" },
+	{ "apache2.conf", "Apacheconf" },
+
+	{ ".*%.as", "As" },
+	{ ".%*%.asy", "Asy" },
+
+	{ "ahkl", "Ahk" },
+
+	{ "sh", "Bash" },
+	{ "ksh", "Bash" },
+	{ "ksh", "Bash" },
+	{ ".*%.ebuild", "Bash" },
+	{ ".*%.eclass", "Bash" },
+
+	{ ".*%.befunge", "Befunge" },
+	{ ".*%.bmx", "Blitzmax" },
+	{ ".*%.boo", "Boo" },
+
+	{ "bf", "Brainfuck" },
+	{ "b", "Brainfuck" },
+
+	{ "cmd", "Bat" },
+
+	{ ".*%.cfc", "Cfm" },
+	{ "cfml", "Cfm" },
+
+	{ "cl", "Cl" },
+	{ "lisp", "Cl" },
+	{ ".*%.el", "Cl" },
+
+	{ "clj", "Clojure" },
+	{ "cljs", "Clojure" },
+
+	{ "h", "C" },
+	{ "c", "C" },
+	{ ".*.cmake", "Cmake" },
+
+	{ "coffee", "Cofeescript" },
+	{ ".*%.sh%-session", "Console" },
+
+	{ "cpp", "C++" },
+	{ "hpp", "C++" },
+	{ "cc", "C++" },
+	{ "hh", "C++" },
+	{ "cxx", "C++" },
+	{ "hxx", "C++" },
+	{ ".*%.pde", "C++" },
+
+	{ "csharp", "C#" },
+	{ "cs", "C#" },
+	{ ".*.%cs", "C#" },
+
+	{ "css", "CSS" },
+
+	{ "pyx", "Cython" },
+	{ "pxd", "Cython" },
+	{ ".*%.pxi", "Cython" },
+
+	{ "d", "D" },
+	{ "di", "D" },
+
+	{ ".*%.pas", "Delphi" },
+
+	{ "patch", "Diff" },
+
+	{ "darcspatch", "Dpatch" },
+
+	{ "jbst", "Duel" },
+
+	{ "dyl", "Dylan" },
+
+	{ ".*%.erb", "Erb" },
+
+	{ ".*%.erl%-sh", "Erl" },
+
+	{ "erl", "Erlang" },
+	{ "hrl", "Erlang" },
+
+	{ "flx", "Felix" },
+	{ "flxh", "Felix" },
+
+	{ "f", "Fortran" },
+	{ "f90", "Fortran" },
+
+	{ "s", "Gas" },
+	{ "S", "Gas" },
+
+	{ ".*%.kid", "Genshi" },
+
+	{ "gitignore", "Gitignore" },
+
+	{ "vert", "GLSL" },
+	{ "frag", "GLSL" },
+	{ ".*%.geo", "GLSL" },
+
+	{ "plot", "Gnuplot" },
+	{ "plt", "Gnuplot" },
+
+	{ ".*%.go", "Go" },
+
+	{ "hs", "Haskell" },
+	{ ".*%.hs", "Haskell" },
+
+	{ "htm", "Html" },
+	{ "xhtml", "Html" },
+	{ "xslt", "Html" },
+
+	{ ".*%.hx", "Hx" },
+
+	{ "hy", "Hybris" },
+	{ "hyb", "Hybris" },
+
+	{ "ini", "INI" },
+	{ "cfg", "INI" },
+
+	{ ".*%.io", "Io" },
+	{ "ik", "Ioke" },
+
+	{ ".*%.jade", "Jade" },
+
+	{ ".*%.Java", "Java" },
+
+	{ "ll", "LLVM" },
+
+	{ "wlua", "Lua" },
+
+	{ "mak", "Make" },
+	{ "makefile", "Make" },
+	{ "Makefile", "Make" },
+	{ "GNUmakefile", "Make" },
+
+	{ ".*%.mao", "Make" },
+
+	{ "mhtml", "Mason" },
+	{ "mc", "Mason" },
+	{ ".*%.mi", "Mason" },
+	{ "autohandler", "Mason" },
+	{ "dhandler", "Mason" },
+
+	{ "md", "Markdown" },
+
+	{ "m", "Objective C" },
+	{ ".*%.m", "Objective C" },
+	{ ".*%.j", "Objective J" },
+
+	{ "ml", "Ocaml" },
+	{ "mli", "Ocaml" },
+	{ "mll", "Ocaml" },
+	{ "mly", "Ocaml" },
+
+	{ "pm", "Perl" },
+	{ "pl", "Perl" },
+
+	{ "php", "PHP" },
+
+	{ "ps", "Postscript" },
+	{ "eps", "Postscript" },
+
+	{ "pro", "Prolog" },
+	{ ".*%.pl", "Prolog" },
+
+	{ ".*%.properties", "Properties" },
+
+	{ ".*%.py3tb", "Py3tb" },
+	{ ".*%.pytb", "Pytb" },
+	{ "py", "Python" },
+	{ "pyw", "Python" },
+	{ "sc", "Python" },
+	{ "SConstruct", "Python" },
+	{ "SConscript", "Python" },
+	{ "tac", "Python" },
+
+	{ ".*%.R", "R" },
+
+	{ "rb", "Ruby" },
+	{ "rbw", "Ruby" },
+	{ "RakeFile", "Ruby" },
+	{ "rake", "Ruby" },
+	{ "gemspec", "Ruby" },
+	{ "rbx", "Ruby" },
+	{ "duby", "Ruby" },
+
+	{ "rs", "rust" },
+
+	{ "sql", "SQL" },
+	{ ".*%.sql", "SQL" },
+
+	{ "txt", "Text" },
+
+	{ "ts", "Typescript" },
+
+	{ "yml", "Yaml" },
+};
+
+languages.get_name = function (name)
+	if not name or name == "" then
+		return "Unknown";
+	end
+
+	for _, pattern in ipairs(languages.patterns) do
+		if name:match("^" .. pattern[1] .. "$") then
+			return pattern[2];
+		end
+	end
+
+	return string.gsub(name, "^%l", string.upper);
+end
+
+return languages;

lua/markview/renderer.lua

@@ -2,7 +2,7 @@ local renderer = {};
 local devicons = require("nvim-web-devicons");
 
 local entites = require("markview.entites");
-local utils = require("markview.utils");
+local languages = require("markview.languages");
 
 
 _G.__markview_views = {};
@@ -972,27 +972,32 @@ renderer.render_code_blocks = function (buffer, content, config_table)
 		local icon, hl = devicons.get_icon(nil, language, { default = true });
 		local block_length = content.largest_line;
 
+		local languageName;
+
 		if config_table.language_names ~= nil then
 			for _, lang in ipairs(config_table.language_names) do
 				if language == lang[1] then
-					language = lang[2];
-					break;
+					languageName = lang[2];
+					goto nameFound;
 				end
 			end
 		end
 
+		languageName = languages.get_name(language)
+		::nameFound::
+
 		if type(config_table.min_width) == "number" and config_table.min_width > block_length then
 			block_length = config_table.min_width
 		end
 
-		local lang_width = vim.fn.strchars(" " .. icon .. " " .. (language == "" and "Unknown" or language) .. " ");
+		local lang_width = vim.fn.strchars(" " .. icon .. " " .. languageName .. " ");
 
 		if config_table.language_direction == nil or config_table.language_direction == "left" then
 			vim.api.nvim_buf_set_extmark(buffer, renderer.namespace, content.row_start, content.col_start + 3 + vim.fn.strlen(content.language), {
 				virt_text_pos = config_table.position or "inline",
 				virt_text = {
 					{ " " .. icon .. " ", set_hl(hl) },
-					{ (language == "" and "Unknown" or language) .. " ", set_hl(config_table.name_hl) or set_hl(hl) },
+					{ languageName .. " ", set_hl(config_table.name_hl) or set_hl(hl) },
 					{ string.rep(config_table.pad_char or " ", block_length - lang_width + ((config_table.pad_amount or 1) * 2)), set_hl(config_table.hl) },
 				},
 
@@ -1007,7 +1012,7 @@ renderer.render_code_blocks = function (buffer, content, config_table)
 				virt_text = {
 					{ string.rep(config_table.pad_char or " ", block_length - lang_width + ((config_table.pad_amount or 1) * 2)), set_hl(config_table.hl) },
 					{ " " .. icon .. " ", set_hl(hl) },
-					{ (language == "" and "Unknown" or language) .. " ", set_hl(config_table.name_hl) or set_hl(hl) },
+					{ languageName .. " ", set_hl(config_table.name_hl) or set_hl(hl) },
 				},
 
 				sign_text = config_table.sign == true and icon or nil,