210 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			210 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
| 'use strict';
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| 
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| var identity = require('../nodes/identity.js');
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| var Pair = require('../nodes/Pair.js');
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| var YAMLMap = require('../nodes/YAMLMap.js');
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| var YAMLSeq = require('../nodes/YAMLSeq.js');
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| var resolveEnd = require('./resolve-end.js');
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| var resolveProps = require('./resolve-props.js');
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| var utilContainsNewline = require('./util-contains-newline.js');
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| var utilMapIncludes = require('./util-map-includes.js');
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| 
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| const blockMsg = 'Block collections are not allowed within flow collections';
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| const isBlock = (token) => token && (token.type === 'block-map' || token.type === 'block-seq');
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| function resolveFlowCollection({ composeNode, composeEmptyNode }, ctx, fc, onError, tag) {
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|     const isMap = fc.start.source === '{';
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|     const fcName = isMap ? 'flow map' : 'flow sequence';
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|     const NodeClass = (tag?.nodeClass ?? (isMap ? YAMLMap.YAMLMap : YAMLSeq.YAMLSeq));
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|     const coll = new NodeClass(ctx.schema);
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|     coll.flow = true;
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|     const atRoot = ctx.atRoot;
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|     if (atRoot)
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|         ctx.atRoot = false;
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|     if (ctx.atKey)
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|         ctx.atKey = false;
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|     let offset = fc.offset + fc.start.source.length;
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|     for (let i = 0; i < fc.items.length; ++i) {
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|         const collItem = fc.items[i];
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|         const { start, key, sep, value } = collItem;
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|         const props = resolveProps.resolveProps(start, {
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|             flow: fcName,
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|             indicator: 'explicit-key-ind',
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|             next: key ?? sep?.[0],
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|             offset,
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|             onError,
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|             parentIndent: fc.indent,
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|             startOnNewline: false
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|         });
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|         if (!props.found) {
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|             if (!props.anchor && !props.tag && !sep && !value) {
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|                 if (i === 0 && props.comma)
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|                     onError(props.comma, 'UNEXPECTED_TOKEN', `Unexpected , in ${fcName}`);
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|                 else if (i < fc.items.length - 1)
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|                     onError(props.start, 'UNEXPECTED_TOKEN', `Unexpected empty item in ${fcName}`);
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|                 if (props.comment) {
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|                     if (coll.comment)
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|                         coll.comment += '\n' + props.comment;
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|                     else
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|                         coll.comment = props.comment;
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|                 }
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|                 offset = props.end;
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|                 continue;
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|             }
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|             if (!isMap && ctx.options.strict && utilContainsNewline.containsNewline(key))
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|                 onError(key, // checked by containsNewline()
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|                 'MULTILINE_IMPLICIT_KEY', 'Implicit keys of flow sequence pairs need to be on a single line');
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|         }
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|         if (i === 0) {
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|             if (props.comma)
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|                 onError(props.comma, 'UNEXPECTED_TOKEN', `Unexpected , in ${fcName}`);
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|         }
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|         else {
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|             if (!props.comma)
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|                 onError(props.start, 'MISSING_CHAR', `Missing , between ${fcName} items`);
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|             if (props.comment) {
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|                 let prevItemComment = '';
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|                 loop: for (const st of start) {
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|                     switch (st.type) {
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|                         case 'comma':
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|                         case 'space':
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|                             break;
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|                         case 'comment':
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|                             prevItemComment = st.source.substring(1);
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|                             break loop;
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|                         default:
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|                             break loop;
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|                     }
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|                 }
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|                 if (prevItemComment) {
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|                     let prev = coll.items[coll.items.length - 1];
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|                     if (identity.isPair(prev))
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|                         prev = prev.value ?? prev.key;
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|                     if (prev.comment)
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|                         prev.comment += '\n' + prevItemComment;
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|                     else
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|                         prev.comment = prevItemComment;
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|                     props.comment = props.comment.substring(prevItemComment.length + 1);
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|                 }
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|             }
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|         }
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|         if (!isMap && !sep && !props.found) {
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|             // item is a value in a seq
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|             // → key & sep are empty, start does not include ? or :
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|             const valueNode = value
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|                 ? composeNode(ctx, value, props, onError)
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|                 : composeEmptyNode(ctx, props.end, sep, null, props, onError);
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|             coll.items.push(valueNode);
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|             offset = valueNode.range[2];
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|             if (isBlock(value))
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|                 onError(valueNode.range, 'BLOCK_IN_FLOW', blockMsg);
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|         }
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|         else {
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|             // item is a key+value pair
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|             // key value
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|             ctx.atKey = true;
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|             const keyStart = props.end;
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|             const keyNode = key
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|                 ? composeNode(ctx, key, props, onError)
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|                 : composeEmptyNode(ctx, keyStart, start, null, props, onError);
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|             if (isBlock(key))
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|                 onError(keyNode.range, 'BLOCK_IN_FLOW', blockMsg);
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|             ctx.atKey = false;
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|             // value properties
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|             const valueProps = resolveProps.resolveProps(sep ?? [], {
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|                 flow: fcName,
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|                 indicator: 'map-value-ind',
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|                 next: value,
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|                 offset: keyNode.range[2],
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|                 onError,
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|                 parentIndent: fc.indent,
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|                 startOnNewline: false
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|             });
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|             if (valueProps.found) {
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|                 if (!isMap && !props.found && ctx.options.strict) {
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|                     if (sep)
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|                         for (const st of sep) {
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|                             if (st === valueProps.found)
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|                                 break;
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|                             if (st.type === 'newline') {
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|                                 onError(st, 'MULTILINE_IMPLICIT_KEY', 'Implicit keys of flow sequence pairs need to be on a single line');
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|                                 break;
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|                             }
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|                         }
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|                     if (props.start < valueProps.found.offset - 1024)
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|                         onError(valueProps.found, 'KEY_OVER_1024_CHARS', 'The : indicator must be at most 1024 chars after the start of an implicit flow sequence key');
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|                 }
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|             }
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|             else if (value) {
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|                 if ('source' in value && value.source && value.source[0] === ':')
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|                     onError(value, 'MISSING_CHAR', `Missing space after : in ${fcName}`);
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|                 else
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|                     onError(valueProps.start, 'MISSING_CHAR', `Missing , or : between ${fcName} items`);
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|             }
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|             // value value
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|             const valueNode = value
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|                 ? composeNode(ctx, value, valueProps, onError)
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|                 : valueProps.found
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|                     ? composeEmptyNode(ctx, valueProps.end, sep, null, valueProps, onError)
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|                     : null;
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|             if (valueNode) {
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|                 if (isBlock(value))
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|                     onError(valueNode.range, 'BLOCK_IN_FLOW', blockMsg);
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|             }
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|             else if (valueProps.comment) {
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|                 if (keyNode.comment)
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|                     keyNode.comment += '\n' + valueProps.comment;
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|                 else
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|                     keyNode.comment = valueProps.comment;
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|             }
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|             const pair = new Pair.Pair(keyNode, valueNode);
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|             if (ctx.options.keepSourceTokens)
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|                 pair.srcToken = collItem;
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|             if (isMap) {
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|                 const map = coll;
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|                 if (utilMapIncludes.mapIncludes(ctx, map.items, keyNode))
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|                     onError(keyStart, 'DUPLICATE_KEY', 'Map keys must be unique');
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|                 map.items.push(pair);
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|             }
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|             else {
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|                 const map = new YAMLMap.YAMLMap(ctx.schema);
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|                 map.flow = true;
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|                 map.items.push(pair);
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|                 const endRange = (valueNode ?? keyNode).range;
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|                 map.range = [keyNode.range[0], endRange[1], endRange[2]];
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|                 coll.items.push(map);
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|             }
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|             offset = valueNode ? valueNode.range[2] : valueProps.end;
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|         }
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|     }
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|     const expectedEnd = isMap ? '}' : ']';
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|     const [ce, ...ee] = fc.end;
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|     let cePos = offset;
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|     if (ce && ce.source === expectedEnd)
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|         cePos = ce.offset + ce.source.length;
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|     else {
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|         const name = fcName[0].toUpperCase() + fcName.substring(1);
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|         const msg = atRoot
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|             ? `${name} must end with a ${expectedEnd}`
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|             : `${name} in block collection must be sufficiently indented and end with a ${expectedEnd}`;
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|         onError(offset, atRoot ? 'MISSING_CHAR' : 'BAD_INDENT', msg);
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|         if (ce && ce.source.length !== 1)
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|             ee.unshift(ce);
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|     }
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|     if (ee.length > 0) {
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|         const end = resolveEnd.resolveEnd(ee, cePos, ctx.options.strict, onError);
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|         if (end.comment) {
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|             if (coll.comment)
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|                 coll.comment += '\n' + end.comment;
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|             else
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|                 coll.comment = end.comment;
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|         }
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|         coll.range = [fc.offset, cePos, end.offset];
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|     }
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|     else {
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|         coll.range = [fc.offset, cePos, cePos];
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|     }
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|     return coll;
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| }
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| 
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| exports.resolveFlowCollection = resolveFlowCollection;
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