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author | Minteck <contact@minteck.org> | 2022-11-28 17:31:34 +0100 |
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committer | Minteck <contact@minteck.org> | 2022-11-28 17:31:34 +0100 |
commit | 7923aa8942b55884320ef2428417e3ee4b121613 (patch) | |
tree | 7993632f2898b1998f25b11ce40a8d2eb3d44730 /MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js | |
download | mistyos-og-mane.tar.gz mistyos-og-mane.tar.bz2 mistyos-og-mane.zip |
Diffstat (limited to 'MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js')
-rw-r--r-- | MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js b/MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js new file mode 100644 index 0000000..ba89f97 --- /dev/null +++ b/MistyCore/node_modules/yaml/dist/compose/resolve-block-scalar.js @@ -0,0 +1,196 @@ +'use strict'; + +var Scalar = require('../nodes/Scalar.js'); + +function resolveBlockScalar(scalar, strict, onError) { + const start = scalar.offset; + const header = parseBlockScalarHeader(scalar, strict, onError); + if (!header) + return { value: '', type: null, comment: '', range: [start, start, start] }; + const type = header.mode === '>' ? Scalar.Scalar.BLOCK_FOLDED : Scalar.Scalar.BLOCK_LITERAL; + const lines = scalar.source ? splitLines(scalar.source) : []; + // determine the end of content & start of chomping + let chompStart = lines.length; + for (let i = lines.length - 1; i >= 0; --i) { + const content = lines[i][1]; + if (content === '' || content === '\r') + chompStart = i; + else + break; + } + // shortcut for empty contents + if (chompStart === 0) { + const value = header.chomp === '+' && lines.length > 0 + ? '\n'.repeat(Math.max(1, lines.length - 1)) + : ''; + let end = start + header.length; + if (scalar.source) + end += scalar.source.length; + return { value, type, comment: header.comment, range: [start, end, end] }; + } + // find the indentation level to trim from start + let trimIndent = scalar.indent + header.indent; + let offset = scalar.offset + header.length; + let contentStart = 0; + for (let i = 0; i < chompStart; ++i) { + const [indent, content] = lines[i]; + if (content === '' || content === '\r') { + if (header.indent === 0 && indent.length > trimIndent) + trimIndent = indent.length; + } + else { + if (indent.length < trimIndent) { + const message = 'Block scalars with more-indented leading empty lines must use an explicit indentation indicator'; + onError(offset + indent.length, 'MISSING_CHAR', message); + } + if (header.indent === 0) + trimIndent = indent.length; + contentStart = i; + break; + } + offset += indent.length + content.length + 1; + } + // include trailing more-indented empty lines in content + for (let i = lines.length - 1; i >= chompStart; --i) { + if (lines[i][0].length > trimIndent) + chompStart = i + 1; + } + let value = ''; + let sep = ''; + let prevMoreIndented = false; + // leading whitespace is kept intact + for (let i = 0; i < contentStart; ++i) + value += lines[i][0].slice(trimIndent) + '\n'; + for (let i = contentStart; i < chompStart; ++i) { + let [indent, content] = lines[i]; + offset += indent.length + content.length + 1; + const crlf = content[content.length - 1] === '\r'; + if (crlf) + content = content.slice(0, -1); + /* istanbul ignore if already caught in lexer */ + if (content && indent.length < trimIndent) { + const src = header.indent + ? 'explicit indentation indicator' + : 'first line'; + const message = `Block scalar lines must not be less indented than their ${src}`; + onError(offset - content.length - (crlf ? 2 : 1), 'BAD_INDENT', message); + indent = ''; + } + if (type === Scalar.Scalar.BLOCK_LITERAL) { + value += sep + indent.slice(trimIndent) + content; + sep = '\n'; + } + else if (indent.length > trimIndent || content[0] === '\t') { + // more-indented content within a folded block + if (sep === ' ') + sep = '\n'; + else if (!prevMoreIndented && sep === '\n') + sep = '\n\n'; + value += sep + indent.slice(trimIndent) + content; + sep = '\n'; + prevMoreIndented = true; + } + else if (content === '') { + // empty line + if (sep === '\n') + value += '\n'; + else + sep = '\n'; + } + else { + value += sep + content; + sep = ' '; + prevMoreIndented = false; + } + } + switch (header.chomp) { + case '-': + break; + case '+': + for (let i = chompStart; i < lines.length; ++i) + value += '\n' + lines[i][0].slice(trimIndent); + if (value[value.length - 1] !== '\n') + value += '\n'; + break; + default: + value += '\n'; + } + const end = start + header.length + scalar.source.length; + return { value, type, comment: header.comment, range: [start, end, end] }; +} +function parseBlockScalarHeader({ offset, props }, strict, onError) { + /* istanbul ignore if should not happen */ + if (props[0].type !== 'block-scalar-header') { + onError(props[0], 'IMPOSSIBLE', 'Block scalar header not found'); + return null; + } + const { source } = props[0]; + const mode = source[0]; + let indent = 0; + let chomp = ''; + let error = -1; + for (let i = 1; i < source.length; ++i) { + const ch = source[i]; + if (!chomp && (ch === '-' || ch === '+')) + chomp = ch; + else { + const n = Number(ch); + if (!indent && n) + indent = n; + else if (error === -1) + error = offset + i; + } + } + if (error !== -1) + onError(error, 'UNEXPECTED_TOKEN', `Block scalar header includes extra characters: ${source}`); + let hasSpace = false; + let comment = ''; + let length = source.length; + for (let i = 1; i < props.length; ++i) { + const token = props[i]; + switch (token.type) { + case 'space': + hasSpace = true; + // fallthrough + case 'newline': + length += token.source.length; + break; + case 'comment': + if (strict && !hasSpace) { + const message = 'Comments must be separated from other tokens by white space characters'; + onError(token, 'MISSING_CHAR', message); + } + length += token.source.length; + comment = token.source.substring(1); + break; + case 'error': + onError(token, 'UNEXPECTED_TOKEN', token.message); + length += token.source.length; + break; + /* istanbul ignore next should not happen */ + default: { + const message = `Unexpected token in block scalar header: ${token.type}`; + onError(token, 'UNEXPECTED_TOKEN', message); + const ts = token.source; + if (ts && typeof ts === 'string') + length += ts.length; + } + } + } + return { mode, indent, chomp, comment, length }; +} +/** @returns Array of lines split up as `[indent, content]` */ +function splitLines(source) { + const split = source.split(/\n( *)/); + const first = split[0]; + const m = first.match(/^( *)/); + const line0 = m?.[1] + ? [m[1], first.slice(m[1].length)] + : ['', first]; + const lines = [line0]; + for (let i = 1; i < split.length; i += 2) + lines.push([split[i], split[i + 1]]); + return lines; +} + +exports.resolveBlockScalar = resolveBlockScalar; |