Swap-Aggregator-Subgraph/node_modules/yaml/dist/cst/FlowCollection.js
2022-07-03 07:27:35 +05:30

213 lines
5.1 KiB
JavaScript

"use strict";
exports.FlowCollection = void 0;
var _constants = require("../constants");
var _errors = require("../errors");
var _BlankLine = require("./BlankLine");
var _Comment = require("./Comment");
var _Node = require("./Node");
var _Range = require("./Range");
class FlowCollection extends _Node.Node {
constructor(type, props) {
super(type, props);
this.items = null;
}
prevNodeIsJsonLike(idx = this.items.length) {
const node = this.items[idx - 1];
return !!node && (node.jsonLike || node.type === _constants.Type.COMMENT && this.prevNodeIsJsonLike(idx - 1));
}
/**
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this
*/
parse(context, start) {
this.context = context;
const {
parseNode,
src
} = context;
let {
indent,
lineStart
} = context;
let char = src[start]; // { or [
this.items = [{
char,
offset: start
}];
let offset = _Node.Node.endOfWhiteSpace(src, start + 1);
char = src[offset];
while (char && char !== ']' && char !== '}') {
switch (char) {
case '\n':
{
lineStart = offset + 1;
const wsEnd = _Node.Node.endOfWhiteSpace(src, lineStart);
if (src[wsEnd] === '\n') {
const blankLine = new _BlankLine.BlankLine();
lineStart = blankLine.parse({
src
}, lineStart);
this.items.push(blankLine);
}
offset = _Node.Node.endOfIndent(src, lineStart);
if (offset <= lineStart + indent) {
char = src[offset];
if (offset < lineStart + indent || char !== ']' && char !== '}') {
const msg = 'Insufficient indentation in flow collection';
this.error = new _errors.YAMLSemanticError(this, msg);
}
}
}
break;
case ',':
{
this.items.push({
char,
offset
});
offset += 1;
}
break;
case '#':
{
const comment = new _Comment.Comment();
offset = comment.parse({
src
}, offset);
this.items.push(comment);
}
break;
case '?':
case ':':
{
const next = src[offset + 1];
if (next === '\n' || next === '\t' || next === ' ' || next === ',' || // in-flow : after JSON-like key does not need to be followed by whitespace
char === ':' && this.prevNodeIsJsonLike()) {
this.items.push({
char,
offset
});
offset += 1;
break;
}
}
// fallthrough
default:
{
const node = parseNode({
atLineStart: false,
inCollection: false,
inFlow: true,
indent: -1,
lineStart,
parent: this
}, offset);
if (!node) {
// at next document start
this.valueRange = new _Range.Range(start, offset);
return offset;
}
this.items.push(node);
offset = _Node.Node.normalizeOffset(src, node.range.end);
}
}
offset = _Node.Node.endOfWhiteSpace(src, offset);
char = src[offset];
}
this.valueRange = new _Range.Range(start, offset + 1);
if (char) {
this.items.push({
char,
offset
});
offset = _Node.Node.endOfWhiteSpace(src, offset + 1);
offset = this.parseComment(offset);
}
return offset;
}
setOrigRanges(cr, offset) {
offset = super.setOrigRanges(cr, offset);
this.items.forEach(node => {
if (node instanceof _Node.Node) {
offset = node.setOrigRanges(cr, offset);
} else if (cr.length === 0) {
node.origOffset = node.offset;
} else {
let i = offset;
while (i < cr.length) {
if (cr[i] > node.offset) break;else ++i;
}
node.origOffset = node.offset + i;
offset = i;
}
});
return offset;
}
toString() {
const {
context: {
src
},
items,
range,
value
} = this;
if (value != null) return value;
const nodes = items.filter(item => item instanceof _Node.Node);
let str = '';
let prevEnd = range.start;
nodes.forEach(node => {
const prefix = src.slice(prevEnd, node.range.start);
prevEnd = node.range.end;
str += prefix + String(node);
if (str[str.length - 1] === '\n' && src[prevEnd - 1] !== '\n' && src[prevEnd] === '\n') {
// Comment range does not include the terminal newline, but its
// stringified value does. Without this fix, newlines at comment ends
// get duplicated.
prevEnd += 1;
}
});
str += src.slice(prevEnd, range.end);
return _Node.Node.addStringTerminator(src, range.end, str);
}
}
exports.FlowCollection = FlowCollection;