123 lines
4.5 KiB
JavaScript
123 lines
4.5 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
|
|
|
(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.multiplexingMode = function(outer /*, others */) {
|
|
// Others should be {open, close, mode [, delimStyle] [, innerStyle]} objects
|
|
var others = Array.prototype.slice.call(arguments, 1);
|
|
|
|
function indexOf(string, pattern, from, returnEnd) {
|
|
if (typeof pattern == "string") {
|
|
var found = string.indexOf(pattern, from);
|
|
return returnEnd && found > -1 ? found + pattern.length : found;
|
|
}
|
|
var m = pattern.exec(from ? string.slice(from) : string);
|
|
return m ? m.index + from + (returnEnd ? m[0].length : 0) : -1;
|
|
}
|
|
|
|
return {
|
|
startState: function() {
|
|
return {
|
|
outer: CodeMirror.startState(outer),
|
|
innerActive: null,
|
|
inner: null
|
|
};
|
|
},
|
|
|
|
copyState: function(state) {
|
|
return {
|
|
outer: CodeMirror.copyState(outer, state.outer),
|
|
innerActive: state.innerActive,
|
|
inner: state.innerActive && CodeMirror.copyState(state.innerActive.mode, state.inner)
|
|
};
|
|
},
|
|
|
|
token: function(stream, state) {
|
|
if (!state.innerActive) {
|
|
var cutOff = Infinity, oldContent = stream.string;
|
|
for (var i = 0; i < others.length; ++i) {
|
|
var other = others[i];
|
|
var found = indexOf(oldContent, other.open, stream.pos);
|
|
if (found == stream.pos) {
|
|
if (!other.parseDelimiters) stream.match(other.open);
|
|
state.innerActive = other;
|
|
state.inner = CodeMirror.startState(other.mode, outer.indent ? outer.indent(state.outer, "") : 0);
|
|
return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open");
|
|
} else if (found != -1 && found < cutOff) {
|
|
cutOff = found;
|
|
}
|
|
}
|
|
if (cutOff != Infinity) stream.string = oldContent.slice(0, cutOff);
|
|
var outerToken = outer.token(stream, state.outer);
|
|
if (cutOff != Infinity) stream.string = oldContent;
|
|
return outerToken;
|
|
} else {
|
|
var curInner = state.innerActive, oldContent = stream.string;
|
|
if (!curInner.close && stream.sol()) {
|
|
state.innerActive = state.inner = null;
|
|
return this.token(stream, state);
|
|
}
|
|
var found = curInner.close ? indexOf(oldContent, curInner.close, stream.pos, curInner.parseDelimiters) : -1;
|
|
if (found == stream.pos && !curInner.parseDelimiters) {
|
|
stream.match(curInner.close);
|
|
state.innerActive = state.inner = null;
|
|
return curInner.delimStyle && (curInner.delimStyle + " " + curInner.delimStyle + "-close");
|
|
}
|
|
if (found > -1) stream.string = oldContent.slice(0, found);
|
|
var innerToken = curInner.mode.token(stream, state.inner);
|
|
if (found > -1) stream.string = oldContent;
|
|
|
|
if (found == stream.pos && curInner.parseDelimiters)
|
|
state.innerActive = state.inner = null;
|
|
|
|
if (curInner.innerStyle) {
|
|
if (innerToken) innerToken = innerToken + " " + curInner.innerStyle;
|
|
else innerToken = curInner.innerStyle;
|
|
}
|
|
|
|
return innerToken;
|
|
}
|
|
},
|
|
|
|
indent: function(state, textAfter) {
|
|
var mode = state.innerActive ? state.innerActive.mode : outer;
|
|
if (!mode.indent) return CodeMirror.Pass;
|
|
return mode.indent(state.innerActive ? state.inner : state.outer, textAfter);
|
|
},
|
|
|
|
blankLine: function(state) {
|
|
var mode = state.innerActive ? state.innerActive.mode : outer;
|
|
if (mode.blankLine) {
|
|
mode.blankLine(state.innerActive ? state.inner : state.outer);
|
|
}
|
|
if (!state.innerActive) {
|
|
for (var i = 0; i < others.length; ++i) {
|
|
var other = others[i];
|
|
if (other.open === "\n") {
|
|
state.innerActive = other;
|
|
state.inner = CodeMirror.startState(other.mode, mode.indent ? mode.indent(state.outer, "") : 0);
|
|
}
|
|
}
|
|
} else if (state.innerActive.close === "\n") {
|
|
state.innerActive = state.inner = null;
|
|
}
|
|
},
|
|
|
|
electricChars: outer.electricChars,
|
|
|
|
innerMode: function(state) {
|
|
return state.inner ? {state: state.inner, mode: state.innerActive.mode} : {state: state.outer, mode: outer};
|
|
}
|
|
};
|
|
};
|
|
|
|
});
|