dtd.js
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
/*
DTD mode
Ported to CodeMirror by Peter Kroon <plakroon@gmail.com>
Report bugs/issues here: https://github.com/codemirror/CodeMirror/issues
GitHub: @peterkroon
*/
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineMode("dtd", function(config) {
var indentUnit = config.indentUnit, type;
function ret(style, tp) {type = tp; return style;}
function tokenBase(stream, state) {
var ch = stream.next();
if (ch == "<" && stream.eat("!") ) {
if (stream.eatWhile(/[\-]/)) {
state.tokenize = tokenSGMLComment;
return tokenSGMLComment(stream, state);
} else if (stream.eatWhile(/[\w]/)) return ret("keyword", "doindent");
} else if (ch == "<" && stream.eat("?")) { //xml declaration
state.tokenize = inBlock("meta", "?>");
return ret("meta", ch);
} else if (ch == "#" && stream.eatWhile(/[\w]/)) return ret("atom", "tag");
else if (ch == "|") return ret("keyword", "separator");
else if (ch.match(/[\(\)\[\]\-\.,\+\?>]/)) return ret(null, ch);//if(ch === ">") return ret(null, "endtag"); else
else if (ch.match(/[\[\]]/)) return ret("rule", ch);
else if (ch == "\"" || ch == "'") {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
} else if (stream.eatWhile(/[a-zA-Z\?\+\d]/)) {
var sc = stream.current();
if( sc.substr(sc.length-1,sc.length).match(/\?|\+/) !== null )stream.backUp(1);
return ret("tag", "tag");
} else if (ch == "%" || ch == "*" ) return ret("number", "number");
else {
stream.eatWhile(/[\w\\\-_%.{,]/);
return ret(null, null);
}
}
function tokenSGMLComment(stream, state) {
var dashes = 0, ch;
while ((ch = stream.next()) != null) {
if (dashes >= 2 && ch == ">") {
state.tokenize = tokenBase;
break;
}
dashes = (ch == "-") ? dashes + 1 : 0;
}
return ret("comment", "comment");
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, ch;
while ((ch = stream.next()) != null) {
if (ch == quote && !escaped) {
state.tokenize = tokenBase;
break;
}
escaped = !escaped && ch == "\\";
}
return ret("string", "tag");
};
}
function inBlock(style, terminator) {
return function(stream, state) {
while (!stream.eol()) {
if (stream.match(terminator)) {
state.tokenize = tokenBase;
break;
}
stream.next();
}
return style;
};
}
return {
startState: function(base) {
return {tokenize: tokenBase,
baseIndent: base || 0,
stack: []};
},
token: function(stream, state) {
if (stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
var context = state.stack[state.stack.length-1];
if (stream.current() == "[" || type === "doindent" || type == "[") state.stack.push("rule");
else if (type === "endtag") state.stack[state.stack.length-1] = "endtag";
else if (stream.current() == "]" || type == "]" || (type == ">" && context == "rule")) state.stack.pop();
else if (type == "[") state.stack.push("[");
return style;
},
indent: function(state, textAfter) {
var n = state.stack.length;
if( textAfter.charAt(0) === ']' )n--;
else if(textAfter.substr(textAfter.length-1, textAfter.length) === ">"){
if(textAfter.substr(0,1) === "<") {}
else if( type == "doindent" && textAfter.length > 1 ) {}
else if( type == "doindent")n--;
else if( type == ">" && textAfter.length > 1) {}
else if( type == "tag" && textAfter !== ">") {}
else if( type == "tag" && state.stack[state.stack.length-1] == "rule")n--;
else if( type == "tag")n++;
else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule" && type === ">")n--;
else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule") {}
else if( textAfter.substr(0,1) !== "<" && textAfter.substr(0,1) === ">" )n=n-1;
else if( textAfter === ">") {}
else n=n-1;
//over rule them all
if(type == null || type == "]")n--;
}
return state.baseIndent + n * indentUnit;
},
electricChars: "]>"
};
});
CodeMirror.defineMIME("application/xml-dtd", "dtd");
});