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CodeMirror.multiplexingMode = function(outer /*, others */) { |
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// Others should be {open, close, mode [, delimStyle] [, innerStyle]} objects |
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var others = Array.prototype.slice.call(arguments, 1); |
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var n_others = others.length; |
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|
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function indexOf(string, pattern, from) { |
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if (typeof pattern == "string") return string.indexOf(pattern, from); |
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var m = pattern.exec(from ? string.slice(from) : string); |
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return m ? m.index + from : -1; |
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} |
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|
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return { |
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startState: function() { |
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return { |
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outer: CodeMirror.startState(outer), |
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innerActive: null, |
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inner: null |
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}; |
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}, |
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|
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copyState: function(state) { |
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return { |
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outer: CodeMirror.copyState(outer, state.outer), |
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innerActive: state.innerActive, |
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inner: state.innerActive && CodeMirror.copyState(state.innerActive.mode, state.inner) |
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}; |
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}, |
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|
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token: function(stream, state) { |
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if (!state.innerActive) { |
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var cutOff = Infinity, oldContent = stream.string; |
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for (var i = 0; i < n_others; ++i) { |
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var other = others[i]; |
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var found = indexOf(oldContent, other.open, stream.pos); |
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if (found == stream.pos) { |
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stream.match(other.open); |
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state.innerActive = other; |
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state.inner = CodeMirror.startState(other.mode, outer.indent ? outer.indent(state.outer, "") : 0); |
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return other.delimStyle; |
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} else if (found != -1 && found < cutOff) { |
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cutOff = found; |
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} |
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} |
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if (cutOff != Infinity) stream.string = oldContent.slice(0, cutOff); |
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var outerToken = outer.token(stream, state.outer); |
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if (cutOff != Infinity) stream.string = oldContent; |
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return outerToken; |
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} else { |
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var curInner = state.innerActive, oldContent = stream.string; |
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var found = indexOf(oldContent, curInner.close, stream.pos); |
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if (found == stream.pos) { |
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stream.match(curInner.close); |
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state.innerActive = state.inner = null; |
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return curInner.delimStyle; |
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} |
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if (found > -1) stream.string = oldContent.slice(0, found); |
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var innerToken = curInner.mode.token(stream, state.inner); |
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if (found > -1) stream.string = oldContent; |
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var cur = stream.current(), found = cur.indexOf(curInner.close); |
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if (found > -1) stream.backUp(cur.length - found); |
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|
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if (curInner.innerStyle) { |
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if (innerToken) innerToken = innerToken + ' ' + curInner.innerStyle; |
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else innerToken = curInner.innerStyle; |
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} |
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|
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return innerToken; |
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} |
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}, |
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|
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indent: function(state, textAfter) { |
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var mode = state.innerActive ? state.innerActive.mode : outer; |
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if (!mode.indent) return CodeMirror.Pass; |
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return mode.indent(state.innerActive ? state.inner : state.outer, textAfter); |
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}, |
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|
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blankLine: function(state) { |
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var mode = state.innerActive ? state.innerActive.mode : outer; |
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if (mode.blankLine) { |
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mode.blankLine(state.innerActive ? state.inner : state.outer); |
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} |
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if (!state.innerActive) { |
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for (var i = 0; i < n_others; ++i) { |
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var other = others[i]; |
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if (other.open === "\n") { |
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state.innerActive = other; |
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state.inner = CodeMirror.startState(other.mode, mode.indent ? mode.indent(state.outer, "") : 0); |
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} |
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} |
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} else if (state.innerActive.close === "\n") { |
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state.innerActive = state.inner = null; |
| 92 |
} |
| 93 |
}, |
| 94 |
|
| 95 |
electricChars: outer.electricChars, |
| 96 |
|
| 97 |
innerMode: function(state) { |
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return state.inner ? {state: state.inner, mode: state.innerActive.mode} : {state: state.outer, mode: outer}; |
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} |
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}; |
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}; |
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|
