Mercurial
diff .cms/lib/codemirror/addon/mode/overlay.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
---|---|
date | Fri, 11 Oct 2024 22:40:23 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/addon/mode/overlay.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,90 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +// Utility function that allows modes to be combined. The mode given +// as the base argument takes care of most of the normal mode +// functionality, but a second (typically simple) mode is used, which +// can override the style of text. Both modes get to parse all of the +// text, but when both assign a non-null style to a piece of code, the +// overlay wins, unless the combine argument was true and not overridden, +// or state.overlay.combineTokens was true, in which case the styles are +// combined. + +(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.overlayMode = function(base, overlay, combine) { + return { + startState: function() { + return { + base: CodeMirror.startState(base), + overlay: CodeMirror.startState(overlay), + basePos: 0, baseCur: null, + overlayPos: 0, overlayCur: null, + streamSeen: null + }; + }, + copyState: function(state) { + return { + base: CodeMirror.copyState(base, state.base), + overlay: CodeMirror.copyState(overlay, state.overlay), + basePos: state.basePos, baseCur: null, + overlayPos: state.overlayPos, overlayCur: null + }; + }, + + token: function(stream, state) { + if (stream != state.streamSeen || + Math.min(state.basePos, state.overlayPos) < stream.start) { + state.streamSeen = stream; + state.basePos = state.overlayPos = stream.start; + } + + if (stream.start == state.basePos) { + state.baseCur = base.token(stream, state.base); + state.basePos = stream.pos; + } + if (stream.start == state.overlayPos) { + stream.pos = stream.start; + state.overlayCur = overlay.token(stream, state.overlay); + state.overlayPos = stream.pos; + } + stream.pos = Math.min(state.basePos, state.overlayPos); + + // state.overlay.combineTokens always takes precedence over combine, + // unless set to null + if (state.overlayCur == null) return state.baseCur; + else if (state.baseCur != null && + state.overlay.combineTokens || + combine && state.overlay.combineTokens == null) + return state.baseCur + " " + state.overlayCur; + else return state.overlayCur; + }, + + indent: base.indent && function(state, textAfter, line) { + return base.indent(state.base, textAfter, line); + }, + electricChars: base.electricChars, + + innerMode: function(state) { return {state: state.base, mode: base}; }, + + blankLine: function(state) { + var baseToken, overlayToken; + if (base.blankLine) baseToken = base.blankLine(state.base); + if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay); + + return overlayToken == null ? + baseToken : + (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken); + } + }; +}; + +});