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comparison .cms/lib/codemirror/addon/mode/overlay.js @ 0:78edf6b517a0 draft
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author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE | |
3 | |
4 // Utility function that allows modes to be combined. The mode given | |
5 // as the base argument takes care of most of the normal mode | |
6 // functionality, but a second (typically simple) mode is used, which | |
7 // can override the style of text. Both modes get to parse all of the | |
8 // text, but when both assign a non-null style to a piece of code, the | |
9 // overlay wins, unless the combine argument was true and not overridden, | |
10 // or state.overlay.combineTokens was true, in which case the styles are | |
11 // combined. | |
12 | |
13 (function(mod) { | |
14 if (typeof exports == "object" && typeof module == "object") // CommonJS | |
15 mod(require("../../lib/codemirror")); | |
16 else if (typeof define == "function" && define.amd) // AMD | |
17 define(["../../lib/codemirror"], mod); | |
18 else // Plain browser env | |
19 mod(CodeMirror); | |
20 })(function(CodeMirror) { | |
21 "use strict"; | |
22 | |
23 CodeMirror.overlayMode = function(base, overlay, combine) { | |
24 return { | |
25 startState: function() { | |
26 return { | |
27 base: CodeMirror.startState(base), | |
28 overlay: CodeMirror.startState(overlay), | |
29 basePos: 0, baseCur: null, | |
30 overlayPos: 0, overlayCur: null, | |
31 streamSeen: null | |
32 }; | |
33 }, | |
34 copyState: function(state) { | |
35 return { | |
36 base: CodeMirror.copyState(base, state.base), | |
37 overlay: CodeMirror.copyState(overlay, state.overlay), | |
38 basePos: state.basePos, baseCur: null, | |
39 overlayPos: state.overlayPos, overlayCur: null | |
40 }; | |
41 }, | |
42 | |
43 token: function(stream, state) { | |
44 if (stream != state.streamSeen || | |
45 Math.min(state.basePos, state.overlayPos) < stream.start) { | |
46 state.streamSeen = stream; | |
47 state.basePos = state.overlayPos = stream.start; | |
48 } | |
49 | |
50 if (stream.start == state.basePos) { | |
51 state.baseCur = base.token(stream, state.base); | |
52 state.basePos = stream.pos; | |
53 } | |
54 if (stream.start == state.overlayPos) { | |
55 stream.pos = stream.start; | |
56 state.overlayCur = overlay.token(stream, state.overlay); | |
57 state.overlayPos = stream.pos; | |
58 } | |
59 stream.pos = Math.min(state.basePos, state.overlayPos); | |
60 | |
61 // state.overlay.combineTokens always takes precedence over combine, | |
62 // unless set to null | |
63 if (state.overlayCur == null) return state.baseCur; | |
64 else if (state.baseCur != null && | |
65 state.overlay.combineTokens || | |
66 combine && state.overlay.combineTokens == null) | |
67 return state.baseCur + " " + state.overlayCur; | |
68 else return state.overlayCur; | |
69 }, | |
70 | |
71 indent: base.indent && function(state, textAfter, line) { | |
72 return base.indent(state.base, textAfter, line); | |
73 }, | |
74 electricChars: base.electricChars, | |
75 | |
76 innerMode: function(state) { return {state: state.base, mode: base}; }, | |
77 | |
78 blankLine: function(state) { | |
79 var baseToken, overlayToken; | |
80 if (base.blankLine) baseToken = base.blankLine(state.base); | |
81 if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay); | |
82 | |
83 return overlayToken == null ? | |
84 baseToken : | |
85 (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken); | |
86 } | |
87 }; | |
88 }; | |
89 | |
90 }); |