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comparison .cms/lib/codemirror/addon/mode/simple.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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-1:000000000000 | 0:78edf6b517a0 |
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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 (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.defineSimpleMode = function(name, states) { | |
15 CodeMirror.defineMode(name, function(config) { | |
16 return CodeMirror.simpleMode(config, states); | |
17 }); | |
18 }; | |
19 | |
20 CodeMirror.simpleMode = function(config, states) { | |
21 ensureState(states, "start"); | |
22 var states_ = {}, meta = states.meta || {}, hasIndentation = false; | |
23 for (var state in states) if (state != meta && states.hasOwnProperty(state)) { | |
24 var list = states_[state] = [], orig = states[state]; | |
25 for (var i = 0; i < orig.length; i++) { | |
26 var data = orig[i]; | |
27 list.push(new Rule(data, states)); | |
28 if (data.indent || data.dedent) hasIndentation = true; | |
29 } | |
30 } | |
31 var mode = { | |
32 startState: function() { | |
33 return {state: "start", pending: null, | |
34 local: null, localState: null, | |
35 indent: hasIndentation ? [] : null}; | |
36 }, | |
37 copyState: function(state) { | |
38 var s = {state: state.state, pending: state.pending, | |
39 local: state.local, localState: null, | |
40 indent: state.indent && state.indent.slice(0)}; | |
41 if (state.localState) | |
42 s.localState = CodeMirror.copyState(state.local.mode, state.localState); | |
43 if (state.stack) | |
44 s.stack = state.stack.slice(0); | |
45 for (var pers = state.persistentStates; pers; pers = pers.next) | |
46 s.persistentStates = {mode: pers.mode, | |
47 spec: pers.spec, | |
48 state: pers.state == state.localState ? s.localState : CodeMirror.copyState(pers.mode, pers.state), | |
49 next: s.persistentStates}; | |
50 return s; | |
51 }, | |
52 token: tokenFunction(states_, config), | |
53 innerMode: function(state) { return state.local && {mode: state.local.mode, state: state.localState}; }, | |
54 indent: indentFunction(states_, meta) | |
55 }; | |
56 if (meta) for (var prop in meta) if (meta.hasOwnProperty(prop)) | |
57 mode[prop] = meta[prop]; | |
58 return mode; | |
59 }; | |
60 | |
61 function ensureState(states, name) { | |
62 if (!states.hasOwnProperty(name)) | |
63 throw new Error("Undefined state " + name + " in simple mode"); | |
64 } | |
65 | |
66 function toRegex(val, caret) { | |
67 if (!val) return /(?:)/; | |
68 var flags = ""; | |
69 if (val instanceof RegExp) { | |
70 if (val.ignoreCase) flags = "i"; | |
71 if (val.unicode) flags += "u" | |
72 val = val.source; | |
73 } else { | |
74 val = String(val); | |
75 } | |
76 return new RegExp((caret === false ? "" : "^") + "(?:" + val + ")", flags); | |
77 } | |
78 | |
79 function asToken(val) { | |
80 if (!val) return null; | |
81 if (val.apply) return val | |
82 if (typeof val == "string") return val.replace(/\./g, " "); | |
83 var result = []; | |
84 for (var i = 0; i < val.length; i++) | |
85 result.push(val[i] && val[i].replace(/\./g, " ")); | |
86 return result; | |
87 } | |
88 | |
89 function Rule(data, states) { | |
90 if (data.next || data.push) ensureState(states, data.next || data.push); | |
91 this.regex = toRegex(data.regex); | |
92 this.token = asToken(data.token); | |
93 this.data = data; | |
94 } | |
95 | |
96 function tokenFunction(states, config) { | |
97 return function(stream, state) { | |
98 if (state.pending) { | |
99 var pend = state.pending.shift(); | |
100 if (state.pending.length == 0) state.pending = null; | |
101 stream.pos += pend.text.length; | |
102 return pend.token; | |
103 } | |
104 | |
105 if (state.local) { | |
106 if (state.local.end && stream.match(state.local.end)) { | |
107 var tok = state.local.endToken || null; | |
108 state.local = state.localState = null; | |
109 return tok; | |
110 } else { | |
111 var tok = state.local.mode.token(stream, state.localState), m; | |
112 if (state.local.endScan && (m = state.local.endScan.exec(stream.current()))) | |
113 stream.pos = stream.start + m.index; | |
114 return tok; | |
115 } | |
116 } | |
117 | |
118 var curState = states[state.state]; | |
119 for (var i = 0; i < curState.length; i++) { | |
120 var rule = curState[i]; | |
121 var matches = (!rule.data.sol || stream.sol()) && stream.match(rule.regex); | |
122 if (matches) { | |
123 if (rule.data.next) { | |
124 state.state = rule.data.next; | |
125 } else if (rule.data.push) { | |
126 (state.stack || (state.stack = [])).push(state.state); | |
127 state.state = rule.data.push; | |
128 } else if (rule.data.pop && state.stack && state.stack.length) { | |
129 state.state = state.stack.pop(); | |
130 } | |
131 | |
132 if (rule.data.mode) | |
133 enterLocalMode(config, state, rule.data.mode, rule.token); | |
134 if (rule.data.indent) | |
135 state.indent.push(stream.indentation() + config.indentUnit); | |
136 if (rule.data.dedent) | |
137 state.indent.pop(); | |
138 var token = rule.token | |
139 if (token && token.apply) token = token(matches) | |
140 if (matches.length > 2 && rule.token && typeof rule.token != "string") { | |
141 for (var j = 2; j < matches.length; j++) | |
142 if (matches[j]) | |
143 (state.pending || (state.pending = [])).push({text: matches[j], token: rule.token[j - 1]}); | |
144 stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0)); | |
145 return token[0]; | |
146 } else if (token && token.join) { | |
147 return token[0]; | |
148 } else { | |
149 return token; | |
150 } | |
151 } | |
152 } | |
153 stream.next(); | |
154 return null; | |
155 }; | |
156 } | |
157 | |
158 function cmp(a, b) { | |
159 if (a === b) return true; | |
160 if (!a || typeof a != "object" || !b || typeof b != "object") return false; | |
161 var props = 0; | |
162 for (var prop in a) if (a.hasOwnProperty(prop)) { | |
163 if (!b.hasOwnProperty(prop) || !cmp(a[prop], b[prop])) return false; | |
164 props++; | |
165 } | |
166 for (var prop in b) if (b.hasOwnProperty(prop)) props--; | |
167 return props == 0; | |
168 } | |
169 | |
170 function enterLocalMode(config, state, spec, token) { | |
171 var pers; | |
172 if (spec.persistent) for (var p = state.persistentStates; p && !pers; p = p.next) | |
173 if (spec.spec ? cmp(spec.spec, p.spec) : spec.mode == p.mode) pers = p; | |
174 var mode = pers ? pers.mode : spec.mode || CodeMirror.getMode(config, spec.spec); | |
175 var lState = pers ? pers.state : CodeMirror.startState(mode); | |
176 if (spec.persistent && !pers) | |
177 state.persistentStates = {mode: mode, spec: spec.spec, state: lState, next: state.persistentStates}; | |
178 | |
179 state.localState = lState; | |
180 state.local = {mode: mode, | |
181 end: spec.end && toRegex(spec.end), | |
182 endScan: spec.end && spec.forceEnd !== false && toRegex(spec.end, false), | |
183 endToken: token && token.join ? token[token.length - 1] : token}; | |
184 } | |
185 | |
186 function indexOf(val, arr) { | |
187 for (var i = 0; i < arr.length; i++) if (arr[i] === val) return true; | |
188 } | |
189 | |
190 function indentFunction(states, meta) { | |
191 return function(state, textAfter, line) { | |
192 if (state.local && state.local.mode.indent) | |
193 return state.local.mode.indent(state.localState, textAfter, line); | |
194 if (state.indent == null || state.local || meta.dontIndentStates && indexOf(state.state, meta.dontIndentStates) > -1) | |
195 return CodeMirror.Pass; | |
196 | |
197 var pos = state.indent.length - 1, rules = states[state.state]; | |
198 scan: for (;;) { | |
199 for (var i = 0; i < rules.length; i++) { | |
200 var rule = rules[i]; | |
201 if (rule.data.dedent && rule.data.dedentIfLineStart !== false) { | |
202 var m = rule.regex.exec(textAfter); | |
203 if (m && m[0]) { | |
204 pos--; | |
205 if (rule.next || rule.push) rules = states[rule.next || rule.push]; | |
206 textAfter = textAfter.slice(m[0].length); | |
207 continue scan; | |
208 } | |
209 } | |
210 } | |
211 break; | |
212 } | |
213 return pos < 0 ? 0 : state.indent[pos]; | |
214 }; | |
215 } | |
216 }); |