330 lines
11 KiB
JavaScript
330 lines
11 KiB
JavaScript
'use strict';
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function copyObj(obj, target, overwrite) {
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if (!target) { target = {}; }
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for (var prop in obj)
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{ if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
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{ target[prop] = obj[prop]; } }
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return target
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}
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// Counts the column offset in a string, taking tabs into account.
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// Used mostly to find indentation.
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function countColumn(string, end, tabSize, startIndex, startValue) {
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if (end == null) {
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end = string.search(/[^\s\u00a0]/);
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if (end == -1) { end = string.length; }
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}
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for (var i = startIndex || 0, n = startValue || 0;;) {
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var nextTab = string.indexOf("\t", i);
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if (nextTab < 0 || nextTab >= end)
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{ return n + (end - i) }
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n += nextTab - i;
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n += tabSize - (n % tabSize);
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i = nextTab + 1;
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}
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}
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function nothing() {}
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function createObj(base, props) {
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var inst;
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if (Object.create) {
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inst = Object.create(base);
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} else {
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nothing.prototype = base;
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inst = new nothing();
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}
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if (props) { copyObj(props, inst); }
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return inst
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}
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// STRING STREAM
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// Fed to the mode parsers, provides helper functions to make
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// parsers more succinct.
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var StringStream = function(string, tabSize, lineOracle) {
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this.pos = this.start = 0;
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this.string = string;
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this.tabSize = tabSize || 8;
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this.lastColumnPos = this.lastColumnValue = 0;
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this.lineStart = 0;
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this.lineOracle = lineOracle;
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};
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StringStream.prototype.eol = function () {return this.pos >= this.string.length};
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StringStream.prototype.sol = function () {return this.pos == this.lineStart};
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StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
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StringStream.prototype.next = function () {
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if (this.pos < this.string.length)
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{ return this.string.charAt(this.pos++) }
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};
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StringStream.prototype.eat = function (match) {
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var ch = this.string.charAt(this.pos);
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var ok;
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if (typeof match == "string") { ok = ch == match; }
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else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
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if (ok) {++this.pos; return ch}
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};
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StringStream.prototype.eatWhile = function (match) {
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var start = this.pos;
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while (this.eat(match)){}
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return this.pos > start
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};
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StringStream.prototype.eatSpace = function () {
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var start = this.pos;
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while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
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return this.pos > start
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};
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StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
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StringStream.prototype.skipTo = function (ch) {
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var found = this.string.indexOf(ch, this.pos);
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if (found > -1) {this.pos = found; return true}
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};
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StringStream.prototype.backUp = function (n) {this.pos -= n;};
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StringStream.prototype.column = function () {
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if (this.lastColumnPos < this.start) {
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this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
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this.lastColumnPos = this.start;
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}
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return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
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};
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StringStream.prototype.indentation = function () {
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return countColumn(this.string, null, this.tabSize) -
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(this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
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};
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StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
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if (typeof pattern == "string") {
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var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
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var substr = this.string.substr(this.pos, pattern.length);
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if (cased(substr) == cased(pattern)) {
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if (consume !== false) { this.pos += pattern.length; }
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return true
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}
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} else {
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var match = this.string.slice(this.pos).match(pattern);
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if (match && match.index > 0) { return null }
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if (match && consume !== false) { this.pos += match[0].length; }
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return match
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}
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};
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StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
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StringStream.prototype.hideFirstChars = function (n, inner) {
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this.lineStart += n;
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try { return inner() }
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finally { this.lineStart -= n; }
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};
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StringStream.prototype.lookAhead = function (n) {
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var oracle = this.lineOracle;
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return oracle && oracle.lookAhead(n)
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};
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StringStream.prototype.baseToken = function () {
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var oracle = this.lineOracle;
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return oracle && oracle.baseToken(this.pos)
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};
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// Known modes, by name and by MIME
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var modes = {}, mimeModes = {};
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// Extra arguments are stored as the mode's dependencies, which is
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// used by (legacy) mechanisms like loadmode.js to automatically
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// load a mode. (Preferred mechanism is the require/define calls.)
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function defineMode(name, mode) {
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if (arguments.length > 2)
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{ mode.dependencies = Array.prototype.slice.call(arguments, 2); }
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modes[name] = mode;
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}
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function defineMIME(mime, spec) {
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mimeModes[mime] = spec;
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}
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// Given a MIME type, a {name, ...options} config object, or a name
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// string, return a mode config object.
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function resolveMode(spec) {
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if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
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spec = mimeModes[spec];
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} else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
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var found = mimeModes[spec.name];
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if (typeof found == "string") { found = {name: found}; }
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spec = createObj(found, spec);
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spec.name = found.name;
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} else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
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return resolveMode("application/xml")
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} else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
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return resolveMode("application/json")
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}
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if (typeof spec == "string") { return {name: spec} }
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else { return spec || {name: "null"} }
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}
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// Given a mode spec (anything that resolveMode accepts), find and
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// initialize an actual mode object.
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function getMode(options, spec) {
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spec = resolveMode(spec);
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var mfactory = modes[spec.name];
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if (!mfactory) { return getMode(options, "text/plain") }
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var modeObj = mfactory(options, spec);
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if (modeExtensions.hasOwnProperty(spec.name)) {
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var exts = modeExtensions[spec.name];
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for (var prop in exts) {
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if (!exts.hasOwnProperty(prop)) { continue }
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if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
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modeObj[prop] = exts[prop];
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}
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}
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modeObj.name = spec.name;
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if (spec.helperType) { modeObj.helperType = spec.helperType; }
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if (spec.modeProps) { for (var prop$1 in spec.modeProps)
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{ modeObj[prop$1] = spec.modeProps[prop$1]; } }
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return modeObj
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}
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// This can be used to attach properties to mode objects from
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// outside the actual mode definition.
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var modeExtensions = {};
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function extendMode(mode, properties) {
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var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
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copyObj(properties, exts);
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}
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function copyState(mode, state) {
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if (state === true) { return state }
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if (mode.copyState) { return mode.copyState(state) }
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var nstate = {};
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for (var n in state) {
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var val = state[n];
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if (val instanceof Array) { val = val.concat([]); }
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nstate[n] = val;
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}
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return nstate
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}
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// Given a mode and a state (for that mode), find the inner mode and
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// state at the position that the state refers to.
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function innerMode(mode, state) {
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var info;
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while (mode.innerMode) {
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info = mode.innerMode(state);
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if (!info || info.mode == mode) { break }
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state = info.state;
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mode = info.mode;
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}
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return info || {mode: mode, state: state}
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}
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function startState(mode, a1, a2) {
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return mode.startState ? mode.startState(a1, a2) : true
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}
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var modeMethods = {
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__proto__: null,
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modes: modes,
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mimeModes: mimeModes,
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defineMode: defineMode,
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defineMIME: defineMIME,
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resolveMode: resolveMode,
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getMode: getMode,
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modeExtensions: modeExtensions,
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extendMode: extendMode,
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copyState: copyState,
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innerMode: innerMode,
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startState: startState
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};
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// Copy StringStream and mode methods into exports (CodeMirror) object.
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exports.StringStream = StringStream;
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exports.countColumn = countColumn;
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for (var exported in modeMethods) { exports[exported] = modeMethods[exported]; }
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// Shim library CodeMirror with the minimal CodeMirror defined above.
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require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];
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require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")];
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// Minimal default mode.
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exports.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
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exports.defineMIME("text/plain", "null");
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exports.registerHelper = exports.registerGlobalHelper = Math.min;
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exports.splitLines = function(string) { return string.split(/\r?\n|\r/) };
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exports.defaults = { indentUnit: 2 };
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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{ mod(require("../../lib/codemirror")); }
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else if (typeof define == "function" && define.amd) // AMD
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{ define(["../../lib/codemirror"], mod); }
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else // Plain browser env
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{ mod(CodeMirror); }
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})(function(CodeMirror) {
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CodeMirror.runMode = function(string, modespec, callback, options) {
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var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
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var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
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// Create a tokenizing callback function if passed-in callback is a DOM element.
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if (callback.appendChild) {
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var ie = /MSIE \d/.test(navigator.userAgent);
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var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
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var node = callback, col = 0;
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node.innerHTML = "";
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callback = function(text, style) {
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if (text == "\n") {
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// Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
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// Emitting a carriage return makes everything ok.
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node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
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col = 0;
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return;
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}
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var content = "";
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// replace tabs
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for (var pos = 0;;) {
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var idx = text.indexOf("\t", pos);
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if (idx == -1) {
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content += text.slice(pos);
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col += text.length - pos;
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break;
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} else {
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col += idx - pos;
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content += text.slice(pos, idx);
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var size = tabSize - col % tabSize;
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col += size;
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for (var i = 0; i < size; ++i) { content += " "; }
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pos = idx + 1;
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}
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}
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// Create a node with token style and append it to the callback DOM element.
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if (style) {
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var sp = node.appendChild(document.createElement("span"));
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sp.className = "cm-" + style.replace(/ +/g, " cm-");
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sp.appendChild(document.createTextNode(content));
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} else {
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node.appendChild(document.createTextNode(content));
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}
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};
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}
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var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
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for (var i = 0, e = lines.length; i < e; ++i) {
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if (i) { callback("\n"); }
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var stream = new CodeMirror.StringStream(lines[i], null, {
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lookAhead: function(n) { return lines[i + n] },
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baseToken: function() {}
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});
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if (!stream.string && mode.blankLine) { mode.blankLine(state); }
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while (!stream.eol()) {
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var style = mode.token(stream, state);
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callback(stream.current(), style, i, stream.start, state, mode);
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stream.start = stream.pos;
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}
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}
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};
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});
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