157 lines
3.3 KiB
JavaScript
157 lines
3.3 KiB
JavaScript
/*
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* See LICENSE in this directory for the license under which this code
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* is released.
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*/
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CodeMirror.defineMode("sieve", function(config) {
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function words(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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var keywords = words("if elsif else stop require");
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var atoms = words("true false not");
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var indentUnit = config.indentUnit;
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function tokenBase(stream, state) {
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var ch = stream.next();
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if (ch == "/" && stream.eat("*")) {
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state.tokenize = tokenCComment;
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return tokenCComment(stream, state);
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}
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if (ch === '#') {
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stream.skipToEnd();
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return "comment";
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}
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if (ch == "\"") {
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state.tokenize = tokenString(ch);
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return state.tokenize(stream, state);
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}
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if (ch === "{")
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{
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state._indent++;
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return null;
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}
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if (ch === "}")
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{
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state._indent--;
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return null;
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}
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if (/[{}\(\),;]/.test(ch))
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return null;
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// 1*DIGIT "K" / "M" / "G"
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if (/\d/.test(ch)) {
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stream.eatWhile(/[\d]/);
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stream.eat(/[KkMmGg]/);
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return "number";
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}
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// ":" (ALPHA / "_") *(ALPHA / DIGIT / "_")
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if (ch == ":") {
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stream.eatWhile(/[a-zA-Z_]/);
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stream.eatWhile(/[a-zA-Z0-9_]/);
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return "operator";
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}
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stream.eatWhile(/[\w\$_]/);
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var cur = stream.current();
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// "text:" *(SP / HTAB) (hash-comment / CRLF)
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// *(multiline-literal / multiline-dotstart)
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// "." CRLF
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if ((cur == "text") && stream.eat(":"))
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{
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state.tokenize = tokenMultiLineString;
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return "string";
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}
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if (keywords.propertyIsEnumerable(cur))
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return "keyword";
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if (atoms.propertyIsEnumerable(cur))
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return "atom";
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}
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function tokenMultiLineString(stream, state)
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{
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state._multiLineString = true;
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// the first line is special it may contain a comment
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if (!stream.sol()) {
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stream.eatSpace();
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if (stream.peek() == "#") {
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stream.skipToEnd();
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return "comment";
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}
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stream.skipToEnd();
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return "string";
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}
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if ((stream.next() == ".") && (stream.eol()))
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{
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state._multiLineString = false;
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state.tokenize = tokenBase;
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}
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return "string";
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}
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function tokenCComment(stream, state) {
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var maybeEnd = false, ch;
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while ((ch = stream.next()) != null) {
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if (maybeEnd && ch == "/") {
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state.tokenize = tokenBase;
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break;
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}
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maybeEnd = (ch == "*");
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}
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return "comment";
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, ch;
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while ((ch = stream.next()) != null) {
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if (ch == quote && !escaped)
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break;
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escaped = !escaped && ch == "\\";
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}
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if (!escaped) state.tokenize = tokenBase;
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return "string";
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};
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}
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return {
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startState: function(base) {
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return {tokenize: tokenBase,
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baseIndent: base || 0,
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_indent: 0};
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},
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token: function(stream, state) {
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if (stream.eatSpace())
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return null;
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return (state.tokenize || tokenBase)(stream, state);;
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},
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indent: function(state, textAfter) {
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return state.baseIndent + state._indent * indentUnit;
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},
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electricChars: "}"
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};
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});
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CodeMirror.defineMIME("application/sieve", "sieve");
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