mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-25 05:37:29 +02:00
198 lines
6.9 KiB
JavaScript
198 lines
6.9 KiB
JavaScript
|
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||
|
// Distributed under an MIT license: https://codemirror.net/LICENSE
|
||
|
|
||
|
/* Just enough of CodeMirror to run runMode under node.js */
|
||
|
|
||
|
function splitLines(string){return string.split(/\r\n?|\n/);};
|
||
|
|
||
|
// Counts the column offset in a string, taking tabs into account.
|
||
|
// Used mostly to find indentation.
|
||
|
var countColumn = exports.countColumn = function(string, end, tabSize, startIndex, startValue) {
|
||
|
if (end == null) {
|
||
|
end = string.search(/[^\s\u00a0]/);
|
||
|
if (end == -1) end = string.length;
|
||
|
}
|
||
|
for (var i = startIndex || 0, n = startValue || 0;;) {
|
||
|
var nextTab = string.indexOf("\t", i);
|
||
|
if (nextTab < 0 || nextTab >= end)
|
||
|
return n + (end - i);
|
||
|
n += nextTab - i;
|
||
|
n += tabSize - (n % tabSize);
|
||
|
i = nextTab + 1;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function StringStream(string, tabSize, context) {
|
||
|
this.pos = this.start = 0;
|
||
|
this.string = string;
|
||
|
this.tabSize = tabSize || 8;
|
||
|
this.lastColumnPos = this.lastColumnValue = 0;
|
||
|
this.lineStart = 0;
|
||
|
this.context = context
|
||
|
};
|
||
|
|
||
|
StringStream.prototype = {
|
||
|
eol: function() {return this.pos >= this.string.length;},
|
||
|
sol: function() {return this.pos == this.lineStart;},
|
||
|
peek: function() {return this.string.charAt(this.pos) || undefined;},
|
||
|
next: function() {
|
||
|
if (this.pos < this.string.length)
|
||
|
return this.string.charAt(this.pos++);
|
||
|
},
|
||
|
eat: function(match) {
|
||
|
var ch = this.string.charAt(this.pos);
|
||
|
if (typeof match == "string") var ok = ch == match;
|
||
|
else var ok = ch && (match.test ? match.test(ch) : match(ch));
|
||
|
if (ok) {++this.pos; return ch;}
|
||
|
},
|
||
|
eatWhile: function(match) {
|
||
|
var start = this.pos;
|
||
|
while (this.eat(match)){}
|
||
|
return this.pos > start;
|
||
|
},
|
||
|
eatSpace: function() {
|
||
|
var start = this.pos;
|
||
|
while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
|
||
|
return this.pos > start;
|
||
|
},
|
||
|
skipToEnd: function() {this.pos = this.string.length;},
|
||
|
skipTo: function(ch) {
|
||
|
var found = this.string.indexOf(ch, this.pos);
|
||
|
if (found > -1) {this.pos = found; return true;}
|
||
|
},
|
||
|
backUp: function(n) {this.pos -= n;},
|
||
|
column: function() {
|
||
|
if (this.lastColumnPos < this.start) {
|
||
|
this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
|
||
|
this.lastColumnPos = this.start;
|
||
|
}
|
||
|
return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
|
||
|
},
|
||
|
indentation: function() {
|
||
|
return countColumn(this.string, null, this.tabSize) -
|
||
|
(this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
|
||
|
},
|
||
|
match: function(pattern, consume, caseInsensitive) {
|
||
|
if (typeof pattern == "string") {
|
||
|
var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
|
||
|
var substr = this.string.substr(this.pos, pattern.length);
|
||
|
if (cased(substr) == cased(pattern)) {
|
||
|
if (consume !== false) this.pos += pattern.length;
|
||
|
return true;
|
||
|
}
|
||
|
} else {
|
||
|
var match = this.string.slice(this.pos).match(pattern);
|
||
|
if (match && match.index > 0) return null;
|
||
|
if (match && consume !== false) this.pos += match[0].length;
|
||
|
return match;
|
||
|
}
|
||
|
},
|
||
|
current: function(){return this.string.slice(this.start, this.pos);},
|
||
|
hideFirstChars: function(n, inner) {
|
||
|
this.lineStart += n;
|
||
|
try { return inner(); }
|
||
|
finally { this.lineStart -= n; }
|
||
|
},
|
||
|
lookAhead: function(n) {
|
||
|
var line = this.context.line + n
|
||
|
return line >= this.context.lines.length ? null : this.context.lines[line]
|
||
|
}
|
||
|
};
|
||
|
exports.StringStream = StringStream;
|
||
|
|
||
|
exports.startState = function(mode, a1, a2) {
|
||
|
return mode.startState ? mode.startState(a1, a2) : true;
|
||
|
};
|
||
|
|
||
|
var modes = exports.modes = {}, mimeModes = exports.mimeModes = {};
|
||
|
exports.defineMode = function(name, mode) {
|
||
|
if (arguments.length > 2)
|
||
|
mode.dependencies = Array.prototype.slice.call(arguments, 2);
|
||
|
modes[name] = mode;
|
||
|
};
|
||
|
exports.defineMIME = function(mime, spec) { mimeModes[mime] = spec; };
|
||
|
|
||
|
exports.defineMode("null", function() {
|
||
|
return {token: function(stream) {stream.skipToEnd();}};
|
||
|
});
|
||
|
exports.defineMIME("text/plain", "null");
|
||
|
|
||
|
exports.resolveMode = function(spec) {
|
||
|
if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
|
||
|
spec = mimeModes[spec];
|
||
|
} else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
|
||
|
spec = mimeModes[spec.name];
|
||
|
}
|
||
|
if (typeof spec == "string") return {name: spec};
|
||
|
else return spec || {name: "null"};
|
||
|
};
|
||
|
|
||
|
function copyObj(obj, target, overwrite) {
|
||
|
if (!target) target = {};
|
||
|
for (var prop in obj)
|
||
|
if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
|
||
|
target[prop] = obj[prop];
|
||
|
return target;
|
||
|
}
|
||
|
|
||
|
// This can be used to attach properties to mode objects from
|
||
|
// outside the actual mode definition.
|
||
|
var modeExtensions = exports.modeExtensions = {};
|
||
|
exports.extendMode = function(mode, properties) {
|
||
|
var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
|
||
|
copyObj(properties, exts);
|
||
|
};
|
||
|
|
||
|
exports.getMode = function(options, spec) {
|
||
|
var spec = exports.resolveMode(spec);
|
||
|
var mfactory = modes[spec.name];
|
||
|
if (!mfactory) return exports.getMode(options, "text/plain");
|
||
|
var modeObj = mfactory(options, spec);
|
||
|
if (modeExtensions.hasOwnProperty(spec.name)) {
|
||
|
var exts = modeExtensions[spec.name];
|
||
|
for (var prop in exts) {
|
||
|
if (!exts.hasOwnProperty(prop)) continue;
|
||
|
if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
|
||
|
modeObj[prop] = exts[prop];
|
||
|
}
|
||
|
}
|
||
|
modeObj.name = spec.name;
|
||
|
if (spec.helperType) modeObj.helperType = spec.helperType;
|
||
|
if (spec.modeProps) for (var prop in spec.modeProps)
|
||
|
modeObj[prop] = spec.modeProps[prop];
|
||
|
|
||
|
return modeObj;
|
||
|
};
|
||
|
|
||
|
exports.innerMode = function(mode, state) {
|
||
|
var info;
|
||
|
while (mode.innerMode) {
|
||
|
info = mode.innerMode(state);
|
||
|
if (!info || info.mode == mode) break;
|
||
|
state = info.state;
|
||
|
mode = info.mode;
|
||
|
}
|
||
|
return info || {mode: mode, state: state};
|
||
|
}
|
||
|
|
||
|
exports.registerHelper = exports.registerGlobalHelper = Math.min;
|
||
|
|
||
|
exports.runMode = function(string, modespec, callback, options) {
|
||
|
var mode = exports.getMode({indentUnit: 2}, modespec);
|
||
|
var lines = splitLines(string), state = (options && options.state) || exports.startState(mode);
|
||
|
var context = {lines: lines, line: 0}
|
||
|
for (var i = 0, e = lines.length; i < e; ++i, ++context.line) {
|
||
|
if (i) callback("\n");
|
||
|
var stream = new exports.StringStream(lines[i], 4, context);
|
||
|
if (!stream.string && mode.blankLine) mode.blankLine(state);
|
||
|
while (!stream.eol()) {
|
||
|
var style = mode.token(stream, state);
|
||
|
callback(stream.current(), style, i, stream.start, state);
|
||
|
stream.start = stream.pos;
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
|
||
|
require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];
|
||
|
require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")];
|