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| 1 | +// CodeMirror, copyright (c) by Marijn Haverbeke and others |
| 2 | +// Distributed under an MIT license: https://codemirror.net/LICENSE |
| 3 | + |
| 4 | +(function(mod) { |
| 5 | + if (typeof exports == "object" && typeof module == "object") // CommonJS |
| 6 | + mod(require("../../lib/codemirror")); |
| 7 | + else if (typeof define == "function" && define.amd) // AMD |
| 8 | + define(["../../lib/codemirror"], mod); |
| 9 | + else // Plain browser env |
| 10 | + mod(CodeMirror); |
| 11 | +})(function(CodeMirror) { |
| 12 | +"use strict"; |
| 13 | + |
| 14 | +CodeMirror.multiplexingMode = function(outer /*, others */) { |
| 15 | + // Others should be {open, close, mode [, delimStyle] [, innerStyle]} objects |
| 16 | + var others = Array.prototype.slice.call(arguments, 1); |
| 17 | + |
| 18 | + function indexOf(string, pattern, from, returnEnd) { |
| 19 | + if (typeof pattern == "string") { |
| 20 | + var found = string.indexOf(pattern, from); |
| 21 | + return returnEnd && found > -1 ? found + pattern.length : found; |
| 22 | + } |
| 23 | + var m = pattern.exec(from ? string.slice(from) : string); |
| 24 | + return m ? m.index + from + (returnEnd ? m[0].length : 0) : -1; |
| 25 | + } |
| 26 | + |
| 27 | + return { |
| 28 | + startState: function() { |
| 29 | + return { |
| 30 | + outer: CodeMirror.startState(outer), |
| 31 | + innerActive: null, |
| 32 | + inner: null |
| 33 | + }; |
| 34 | + }, |
| 35 | + |
| 36 | + copyState: function(state) { |
| 37 | + return { |
| 38 | + outer: CodeMirror.copyState(outer, state.outer), |
| 39 | + innerActive: state.innerActive, |
| 40 | + inner: state.innerActive && CodeMirror.copyState(state.innerActive.mode, state.inner) |
| 41 | + }; |
| 42 | + }, |
| 43 | + |
| 44 | + token: function(stream, state) { |
| 45 | + if (!state.innerActive) { |
| 46 | + var cutOff = Infinity, oldContent = stream.string; |
| 47 | + for (var i = 0; i < others.length; ++i) { |
| 48 | + var other = others[i]; |
| 49 | + var found = indexOf(oldContent, other.open, stream.pos); |
| 50 | + if (found == stream.pos) { |
| 51 | + if (!other.parseDelimiters) stream.match(other.open); |
| 52 | + state.innerActive = other; |
| 53 | + |
| 54 | + // Get the outer indent, making sure to handle CodeMirror.Pass |
| 55 | + var outerIndent = 0; |
| 56 | + if (outer.indent) { |
| 57 | + var possibleOuterIndent = outer.indent(state.outer, "", ""); |
| 58 | + if (possibleOuterIndent !== CodeMirror.Pass) outerIndent = possibleOuterIndent; |
| 59 | + } |
| 60 | + |
| 61 | + state.inner = CodeMirror.startState(other.mode, outerIndent); |
| 62 | + return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open"); |
| 63 | + } else if (found != -1 && found < cutOff) { |
| 64 | + cutOff = found; |
| 65 | + } |
| 66 | + } |
| 67 | + if (cutOff != Infinity) stream.string = oldContent.slice(0, cutOff); |
| 68 | + var outerToken = outer.token(stream, state.outer); |
| 69 | + if (cutOff != Infinity) stream.string = oldContent; |
| 70 | + return outerToken; |
| 71 | + } else { |
| 72 | + var curInner = state.innerActive, oldContent = stream.string; |
| 73 | + if (!curInner.close && stream.sol()) { |
| 74 | + state.innerActive = state.inner = null; |
| 75 | + return this.token(stream, state); |
| 76 | + } |
| 77 | + var found = curInner.close ? indexOf(oldContent, curInner.close, stream.pos, curInner.parseDelimiters) : -1; |
| 78 | + if (found == stream.pos && !curInner.parseDelimiters) { |
| 79 | + stream.match(curInner.close); |
| 80 | + state.innerActive = state.inner = null; |
| 81 | + return curInner.delimStyle && (curInner.delimStyle + " " + curInner.delimStyle + "-close"); |
| 82 | + } |
| 83 | + if (found > -1) stream.string = oldContent.slice(0, found); |
| 84 | + var innerToken = curInner.mode.token(stream, state.inner); |
| 85 | + if (found > -1) stream.string = oldContent; |
| 86 | + |
| 87 | + if (found == stream.pos && curInner.parseDelimiters) |
| 88 | + state.innerActive = state.inner = null; |
| 89 | + |
| 90 | + if (curInner.innerStyle) { |
| 91 | + if (innerToken) innerToken = innerToken + " " + curInner.innerStyle; |
| 92 | + else innerToken = curInner.innerStyle; |
| 93 | + } |
| 94 | + |
| 95 | + return innerToken; |
| 96 | + } |
| 97 | + }, |
| 98 | + |
| 99 | + indent: function(state, textAfter, line) { |
| 100 | + var mode = state.innerActive ? state.innerActive.mode : outer; |
| 101 | + if (!mode.indent) return CodeMirror.Pass; |
| 102 | + return mode.indent(state.innerActive ? state.inner : state.outer, textAfter, line); |
| 103 | + }, |
| 104 | + |
| 105 | + blankLine: function(state) { |
| 106 | + var mode = state.innerActive ? state.innerActive.mode : outer; |
| 107 | + if (mode.blankLine) { |
| 108 | + mode.blankLine(state.innerActive ? state.inner : state.outer); |
| 109 | + } |
| 110 | + if (!state.innerActive) { |
| 111 | + for (var i = 0; i < others.length; ++i) { |
| 112 | + var other = others[i]; |
| 113 | + if (other.open === "\n") { |
| 114 | + state.innerActive = other; |
| 115 | + state.inner = CodeMirror.startState(other.mode, mode.indent ? mode.indent(state.outer, "", "") : 0); |
| 116 | + } |
| 117 | + } |
| 118 | + } else if (state.innerActive.close === "\n") { |
| 119 | + state.innerActive = state.inner = null; |
| 120 | + } |
| 121 | + }, |
| 122 | + |
| 123 | + electricChars: outer.electricChars, |
| 124 | + |
| 125 | + innerMode: function(state) { |
| 126 | + return state.inner ? {state: state.inner, mode: state.innerActive.mode} : {state: state.outer, mode: outer}; |
| 127 | + } |
| 128 | + }; |
| 129 | +}; |
| 130 | + |
| 131 | +}); |
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