69dae1ec1c
* Added coding style modes to SimpleMDE * Moved the CodeMirror addon from simplemd to codemirror directory
357 lines
12 KiB
JavaScript
357 lines
12 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"),
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require("../../addon/mode/overlay"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror", "../htmlmixed/htmlmixed",
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"../../addon/mode/overlay"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("django:inner", function() {
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var keywords = ["block", "endblock", "for", "endfor", "true", "false", "filter", "endfilter",
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"loop", "none", "self", "super", "if", "elif", "endif", "as", "else", "import",
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"with", "endwith", "without", "context", "ifequal", "endifequal", "ifnotequal",
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"endifnotequal", "extends", "include", "load", "comment", "endcomment",
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"empty", "url", "static", "trans", "blocktrans", "endblocktrans", "now",
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"regroup", "lorem", "ifchanged", "endifchanged", "firstof", "debug", "cycle",
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"csrf_token", "autoescape", "endautoescape", "spaceless", "endspaceless",
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"ssi", "templatetag", "verbatim", "endverbatim", "widthratio"],
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filters = ["add", "addslashes", "capfirst", "center", "cut", "date",
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"default", "default_if_none", "dictsort",
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"dictsortreversed", "divisibleby", "escape", "escapejs",
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"filesizeformat", "first", "floatformat", "force_escape",
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"get_digit", "iriencode", "join", "last", "length",
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"length_is", "linebreaks", "linebreaksbr", "linenumbers",
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"ljust", "lower", "make_list", "phone2numeric", "pluralize",
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"pprint", "random", "removetags", "rjust", "safe",
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"safeseq", "slice", "slugify", "stringformat", "striptags",
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"time", "timesince", "timeuntil", "title", "truncatechars",
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"truncatechars_html", "truncatewords", "truncatewords_html",
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"unordered_list", "upper", "urlencode", "urlize",
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"urlizetrunc", "wordcount", "wordwrap", "yesno"],
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operators = ["==", "!=", "<", ">", "<=", ">="],
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wordOperators = ["in", "not", "or", "and"];
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keywords = new RegExp("^\\b(" + keywords.join("|") + ")\\b");
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filters = new RegExp("^\\b(" + filters.join("|") + ")\\b");
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operators = new RegExp("^\\b(" + operators.join("|") + ")\\b");
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wordOperators = new RegExp("^\\b(" + wordOperators.join("|") + ")\\b");
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// We have to return "null" instead of null, in order to avoid string
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// styling as the default, when using Django templates inside HTML
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// element attributes
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function tokenBase (stream, state) {
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// Attempt to identify a variable, template or comment tag respectively
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if (stream.match("{{")) {
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state.tokenize = inVariable;
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return "tag";
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} else if (stream.match("{%")) {
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state.tokenize = inTag;
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return "tag";
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} else if (stream.match("{#")) {
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state.tokenize = inComment;
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return "comment";
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}
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// Ignore completely any stream series that do not match the
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// Django template opening tags.
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while (stream.next() != null && !stream.match(/\{[{%#]/, false)) {}
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return null;
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}
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// A string can be included in either single or double quotes (this is
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// the delimiter). Mark everything as a string until the start delimiter
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// occurs again.
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function inString (delimiter, previousTokenizer) {
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return function (stream, state) {
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if (!state.escapeNext && stream.eat(delimiter)) {
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state.tokenize = previousTokenizer;
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} else {
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if (state.escapeNext) {
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state.escapeNext = false;
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}
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var ch = stream.next();
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// Take into account the backslash for escaping characters, such as
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// the string delimiter.
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if (ch == "\\") {
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state.escapeNext = true;
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}
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}
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return "string";
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};
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}
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// Apply Django template variable syntax highlighting
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function inVariable (stream, state) {
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// Attempt to match a dot that precedes a property
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if (state.waitDot) {
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state.waitDot = false;
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if (stream.peek() != ".") {
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return "null";
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}
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// Dot followed by a non-word character should be considered an error.
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if (stream.match(/\.\W+/)) {
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return "error";
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} else if (stream.eat(".")) {
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state.waitProperty = true;
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return "null";
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} else {
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throw Error ("Unexpected error while waiting for property.");
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}
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}
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// Attempt to match a pipe that precedes a filter
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if (state.waitPipe) {
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state.waitPipe = false;
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if (stream.peek() != "|") {
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return "null";
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}
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// Pipe followed by a non-word character should be considered an error.
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if (stream.match(/\.\W+/)) {
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return "error";
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} else if (stream.eat("|")) {
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state.waitFilter = true;
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return "null";
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} else {
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throw Error ("Unexpected error while waiting for filter.");
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}
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}
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// Highlight properties
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if (state.waitProperty) {
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state.waitProperty = false;
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if (stream.match(/\b(\w+)\b/)) {
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state.waitDot = true; // A property can be followed by another property
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state.waitPipe = true; // A property can be followed by a filter
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return "property";
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}
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}
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// Highlight filters
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if (state.waitFilter) {
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state.waitFilter = false;
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if (stream.match(filters)) {
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return "variable-2";
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}
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}
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// Ignore all white spaces
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if (stream.eatSpace()) {
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state.waitProperty = false;
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return "null";
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}
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// Identify numbers
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if (stream.match(/\b\d+(\.\d+)?\b/)) {
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return "number";
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}
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// Identify strings
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if (stream.match("'")) {
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state.tokenize = inString("'", state.tokenize);
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return "string";
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} else if (stream.match('"')) {
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state.tokenize = inString('"', state.tokenize);
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return "string";
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}
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// Attempt to find the variable
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if (stream.match(/\b(\w+)\b/) && !state.foundVariable) {
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state.waitDot = true;
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state.waitPipe = true; // A property can be followed by a filter
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return "variable";
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}
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// If found closing tag reset
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if (stream.match("}}")) {
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state.waitProperty = null;
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state.waitFilter = null;
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state.waitDot = null;
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state.waitPipe = null;
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state.tokenize = tokenBase;
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return "tag";
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}
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// If nothing was found, advance to the next character
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stream.next();
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return "null";
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}
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function inTag (stream, state) {
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// Attempt to match a dot that precedes a property
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if (state.waitDot) {
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state.waitDot = false;
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if (stream.peek() != ".") {
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return "null";
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}
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// Dot followed by a non-word character should be considered an error.
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if (stream.match(/\.\W+/)) {
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return "error";
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} else if (stream.eat(".")) {
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state.waitProperty = true;
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return "null";
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} else {
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throw Error ("Unexpected error while waiting for property.");
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}
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}
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// Attempt to match a pipe that precedes a filter
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if (state.waitPipe) {
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state.waitPipe = false;
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if (stream.peek() != "|") {
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return "null";
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}
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// Pipe followed by a non-word character should be considered an error.
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if (stream.match(/\.\W+/)) {
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return "error";
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} else if (stream.eat("|")) {
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state.waitFilter = true;
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return "null";
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} else {
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throw Error ("Unexpected error while waiting for filter.");
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}
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}
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// Highlight properties
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if (state.waitProperty) {
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state.waitProperty = false;
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if (stream.match(/\b(\w+)\b/)) {
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state.waitDot = true; // A property can be followed by another property
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state.waitPipe = true; // A property can be followed by a filter
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return "property";
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}
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}
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// Highlight filters
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if (state.waitFilter) {
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state.waitFilter = false;
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if (stream.match(filters)) {
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return "variable-2";
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}
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}
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// Ignore all white spaces
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if (stream.eatSpace()) {
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state.waitProperty = false;
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return "null";
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}
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// Identify numbers
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if (stream.match(/\b\d+(\.\d+)?\b/)) {
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return "number";
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}
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// Identify strings
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if (stream.match("'")) {
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state.tokenize = inString("'", state.tokenize);
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return "string";
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} else if (stream.match('"')) {
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state.tokenize = inString('"', state.tokenize);
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return "string";
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}
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// Attempt to match an operator
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if (stream.match(operators)) {
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return "operator";
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}
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// Attempt to match a word operator
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if (stream.match(wordOperators)) {
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return "keyword";
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}
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// Attempt to match a keyword
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var keywordMatch = stream.match(keywords);
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if (keywordMatch) {
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if (keywordMatch[0] == "comment") {
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state.blockCommentTag = true;
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}
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return "keyword";
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}
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// Attempt to match a variable
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if (stream.match(/\b(\w+)\b/)) {
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state.waitDot = true;
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state.waitPipe = true; // A property can be followed by a filter
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return "variable";
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}
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// If found closing tag reset
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if (stream.match("%}")) {
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state.waitProperty = null;
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state.waitFilter = null;
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state.waitDot = null;
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state.waitPipe = null;
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// If the tag that closes is a block comment tag, we want to mark the
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// following code as comment, until the tag closes.
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if (state.blockCommentTag) {
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state.blockCommentTag = false; // Release the "lock"
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state.tokenize = inBlockComment;
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} else {
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state.tokenize = tokenBase;
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}
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return "tag";
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}
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// If nothing was found, advance to the next character
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stream.next();
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return "null";
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}
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// Mark everything as comment inside the tag and the tag itself.
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function inComment (stream, state) {
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if (stream.match(/^.*?#\}/)) state.tokenize = tokenBase
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else stream.skipToEnd()
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return "comment";
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}
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// Mark everything as a comment until the `blockcomment` tag closes.
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function inBlockComment (stream, state) {
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if (stream.match(/\{%\s*endcomment\s*%\}/, false)) {
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state.tokenize = inTag;
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stream.match("{%");
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return "tag";
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} else {
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stream.next();
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return "comment";
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}
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}
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return {
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startState: function () {
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return {tokenize: tokenBase};
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},
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token: function (stream, state) {
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return state.tokenize(stream, state);
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},
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blockCommentStart: "{% comment %}",
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blockCommentEnd: "{% endcomment %}"
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};
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});
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CodeMirror.defineMode("django", function(config) {
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var htmlBase = CodeMirror.getMode(config, "text/html");
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var djangoInner = CodeMirror.getMode(config, "django:inner");
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return CodeMirror.overlayMode(htmlBase, djangoInner);
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});
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CodeMirror.defineMIME("text/x-django", "django");
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});
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