js-yaml
Advanced tools
Comparing version 3.5.5 to 3.6.0
@@ -0,1 +1,9 @@ | ||
3.6.0 / 2016-04-16 | ||
------------------ | ||
- Dumper rewrite, fix multiple bugs with trailing `\n`. | ||
Big thanks to @aepsilon! | ||
- Loader: fix leading/trailing newlines in block scalars, @aepsilon. | ||
3.5.5 / 2016-03-17 | ||
@@ -2,0 +10,0 @@ ------------------ |
@@ -1,3 +0,3 @@ | ||
/* js-yaml 3.5.5 https://github.com/nodeca/js-yaml */ | ||
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a("tag:yaml.org,2002:null",{kind:"scalar",resolve:i,construct:r,predicate:o,represent:{canonical:function(){return"~"},lowercase:function(){return"null"},uppercase:function(){return"NULL"},camelcase:function(){return"Null"}},defaultStyle:"lowercase"})},{"../type":13}],24:[function(e,t,n){"use strict";function i(e){if(null===e)return!0;var t,n,i,r,o,c=[],u=e;for(t=0,n=u.length;n>t;t+=1){if(i=u[t],o=!1,"[object Object]"!==s.call(i))return!1;for(r in i)if(a.call(i,r)){if(o)return!1;o=!0}if(!o)return!1;if(-1!==c.indexOf(r))return!1;c.push(r)}return!0}function r(e){return null!==e?e:[]}var o=e("../type"),a=Object.prototype.hasOwnProperty,s=Object.prototype.toString;t.exports=new o("tag:yaml.org,2002:omap",{kind:"sequence",resolve:i,construct:r})},{"../type":13}],25:[function(e,t,n){"use strict";function i(e){if(null===e)return!0;var t,n,i,r,o,s=e;for(o=new Array(s.length),t=0,n=s.length;n>t;t+=1){if(i=s[t],"[object 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i("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return null!==e?e:""}})},{"../type":13}],29:[function(e,t,n){"use strict";function i(e){return null===e?!1:null!==s.exec(e)?!0:null!==c.exec(e)}function r(e){var t,n,i,r,o,a,u,l,p,f,d=0,h=null;if(t=s.exec(e),null===t&&(t=c.exec(e)),null===t)throw new Error("Date resolve error");if(n=+t[1],i=+t[2]-1,r=+t[3],!t[4])return new Date(Date.UTC(n,i,r));if(o=+t[4],a=+t[5],u=+t[6],t[7]){for(d=t[7].slice(0,3);d.length<3;)d+="0";d=+d}return t[9]&&(l=+t[10],p=+(t[11]||0),h=6e4*(60*l+p),"-"===t[9]&&(h=-h)),f=new Date(Date.UTC(n,i,r,o,a,u,d)),h&&f.setTime(f.getTime()-h),f}function o(e){return e.toISOString()}var a=e("../type"),s=new RegExp("^([0-9][0-9][0-9][0-9])-([0-9][0-9])-([0-9][0-9])$"),c=new RegExp("^([0-9][0-9][0-9][0-9])-([0-9][0-9]?)-([0-9][0-9]?)(?:[Tt]|[ \\t]+)([0-9][0-9]?):([0-9][0-9]):([0-9][0-9])(?:\\.([0-9]*))?(?:[ \\t]*(Z|([-+])([0-9][0-9]?)(?::([0-9][0-9]))?))?$");t.exports=new a("tag:yaml.org,2002:timestamp",{kind:"scalar",resolve:i,construct:r,instanceOf:Date,represent:o})},{"../type":13}],"/":[function(e,t,n){"use strict";var i=e("./lib/js-yaml.js");t.exports=i},{"./lib/js-yaml.js":1}]},{},[])("/")}); |
@@ -15,3 +15,2 @@ 'use strict'; | ||
var CHAR_LINE_FEED = 0x0A; /* LF */ | ||
var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ | ||
var CHAR_SPACE = 0x20; /* Space */ | ||
@@ -131,2 +130,3 @@ var CHAR_EXCLAMATION = 0x21; /* ! */ | ||
// Indents every line in a string. Empty lines (\n only) are not indented. | ||
function indentString(string, spaces) { | ||
@@ -176,314 +176,304 @@ var ind = common.repeat(' ', spaces), | ||
function StringBuilder(source) { | ||
this.source = source; | ||
this.result = ''; | ||
this.checkpoint = 0; | ||
// [33] s-white ::= s-space | s-tab | ||
function isWhitespace(c) { | ||
return c === CHAR_SPACE || c === CHAR_TAB; | ||
} | ||
StringBuilder.prototype.takeUpTo = function (position) { | ||
var er; | ||
// Returns true if the character can be printed without escaping. | ||
// From YAML 1.2: "any allowed characters known to be non-printable | ||
// should also be escaped. [However,] This isn’t mandatory" | ||
// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. | ||
function isPrintable(c) { | ||
return (0x00020 <= c && c <= 0x00007E) | ||
|| ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) | ||
|| ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */) | ||
|| (0x10000 <= c && c <= 0x10FFFF); | ||
} | ||
if (position < this.checkpoint) { | ||
er = new Error('position should be > checkpoint'); | ||
er.position = position; | ||
er.checkpoint = this.checkpoint; | ||
throw er; | ||
} | ||
// Simplified test for values allowed after the first character in plain style. | ||
function isPlainSafe(c) { | ||
// Uses a subset of nb-char - c-flow-indicator - ":" - "#" | ||
// where nb-char ::= c-printable - b-char - c-byte-order-mark. | ||
return isPrintable(c) && c !== 0xFEFF | ||
// - c-flow-indicator | ||
&& c !== CHAR_COMMA | ||
&& c !== CHAR_LEFT_SQUARE_BRACKET | ||
&& c !== CHAR_RIGHT_SQUARE_BRACKET | ||
&& c !== CHAR_LEFT_CURLY_BRACKET | ||
&& c !== CHAR_RIGHT_CURLY_BRACKET | ||
// - ":" - "#" | ||
&& c !== CHAR_COLON | ||
&& c !== CHAR_SHARP; | ||
} | ||
this.result += this.source.slice(this.checkpoint, position); | ||
this.checkpoint = position; | ||
return this; | ||
}; | ||
// Simplified test for values allowed as the first character in plain style. | ||
function isPlainSafeFirst(c) { | ||
// Uses a subset of ns-char - c-indicator | ||
// where ns-char = nb-char - s-white. | ||
return isPrintable(c) && c !== 0xFEFF | ||
&& !isWhitespace(c) // - s-white | ||
// - (c-indicator ::= | ||
// “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” | ||
&& c !== CHAR_MINUS | ||
&& c !== CHAR_QUESTION | ||
&& c !== CHAR_COLON | ||
&& c !== CHAR_COMMA | ||
&& c !== CHAR_LEFT_SQUARE_BRACKET | ||
&& c !== CHAR_RIGHT_SQUARE_BRACKET | ||
&& c !== CHAR_LEFT_CURLY_BRACKET | ||
&& c !== CHAR_RIGHT_CURLY_BRACKET | ||
// | “#” | “&” | “*” | “!” | “|” | “>” | “'” | “"” | ||
&& c !== CHAR_SHARP | ||
&& c !== CHAR_AMPERSAND | ||
&& c !== CHAR_ASTERISK | ||
&& c !== CHAR_EXCLAMATION | ||
&& c !== CHAR_VERTICAL_LINE | ||
&& c !== CHAR_GREATER_THAN | ||
&& c !== CHAR_SINGLE_QUOTE | ||
&& c !== CHAR_DOUBLE_QUOTE | ||
// | “%” | “@” | “`”) | ||
&& c !== CHAR_PERCENT | ||
&& c !== CHAR_COMMERCIAL_AT | ||
&& c !== CHAR_GRAVE_ACCENT; | ||
} | ||
StringBuilder.prototype.escapeChar = function () { | ||
var character, esc; | ||
var STYLE_PLAIN = 1, | ||
STYLE_SINGLE = 2, | ||
STYLE_LITERAL = 3, | ||
STYLE_FOLDED = 4, | ||
STYLE_DOUBLE = 5; | ||
character = this.source.charCodeAt(this.checkpoint); | ||
esc = ESCAPE_SEQUENCES[character] || encodeHex(character); | ||
this.result += esc; | ||
this.checkpoint += 1; | ||
// Determines which scalar styles are possible and returns the preferred style. | ||
// lineWidth = -1 => no limit. | ||
// Pre-conditions: str.length > 0. | ||
// Post-conditions: | ||
// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. | ||
// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). | ||
// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). | ||
function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) { | ||
var i; | ||
var char; | ||
var hasLineBreak = false; | ||
var hasFoldableLine = false; // only checked if shouldTrackWidth | ||
var shouldTrackWidth = lineWidth !== -1; | ||
var previousLineBreak = -1; // count the first line correctly | ||
var plain = isPlainSafeFirst(string.charCodeAt(0)) | ||
&& !isWhitespace(string.charCodeAt(string.length - 1)); | ||
return this; | ||
}; | ||
StringBuilder.prototype.finish = function () { | ||
if (this.source.length > this.checkpoint) { | ||
this.takeUpTo(this.source.length); | ||
if (singleLineOnly) { | ||
// Case: no block styles. | ||
// Check for disallowed characters to rule out plain and single. | ||
for (i = 0; i < string.length; i++) { | ||
char = string.charCodeAt(i); | ||
if (!isPrintable(char)) { | ||
return STYLE_DOUBLE; | ||
} | ||
plain = plain && isPlainSafe(char); | ||
} | ||
} else { | ||
// Case: block styles permitted. | ||
for (i = 0; i < string.length; i++) { | ||
char = string.charCodeAt(i); | ||
if (char === CHAR_LINE_FEED) { | ||
hasLineBreak = true; | ||
// Check if any line can be folded. | ||
if (shouldTrackWidth) { | ||
hasFoldableLine = hasFoldableLine || | ||
// Foldable line = too long, and not more-indented. | ||
(i - previousLineBreak - 1 > lineWidth && | ||
string[previousLineBreak + 1] !== ' '); | ||
previousLineBreak = i; | ||
} | ||
} else if (!isPrintable(char)) { | ||
return STYLE_DOUBLE; | ||
} | ||
plain = plain && isPlainSafe(char); | ||
} | ||
// in case the end is missing a \n | ||
hasFoldableLine = hasFoldableLine || (shouldTrackWidth && | ||
(i - previousLineBreak - 1 > lineWidth && | ||
string[previousLineBreak + 1] !== ' ')); | ||
} | ||
}; | ||
function writeScalar(state, object, level, iskey) { | ||
var simple, first, spaceWrap, folded, literal, single, double, | ||
sawLineFeed, linePosition, longestLine, indent, max, character, | ||
position, escapeSeq, hexEsc, previous, lineLength, modifier, | ||
trailingLineBreaks, result; | ||
if (object.length === 0) { | ||
state.dump = "''"; | ||
return; | ||
// Although every style can represent \n without escaping, prefer block styles | ||
// for multiline, since they're more readable and they don't add empty lines. | ||
// Also prefer folding a super-long line. | ||
if (!hasLineBreak && !hasFoldableLine) { | ||
// Strings interpretable as another type have to be quoted; | ||
// e.g. the string 'true' vs. the boolean true. | ||
return plain && !testAmbiguousType(string) | ||
? STYLE_PLAIN : STYLE_SINGLE; | ||
} | ||
if (!state.noCompatMode && | ||
DEPRECATED_BOOLEANS_SYNTAX.indexOf(object) !== -1) { | ||
state.dump = "'" + object + "'"; | ||
return; | ||
// Edge case: block indentation indicator can only have one digit. | ||
if (string[0] === ' ' && indentPerLevel > 9) { | ||
return STYLE_DOUBLE; | ||
} | ||
// At this point we know block styles are valid. | ||
// Prefer literal style unless we want to fold. | ||
return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; | ||
} | ||
simple = true; | ||
first = object.length ? object.charCodeAt(0) : 0; | ||
spaceWrap = (CHAR_SPACE === first || | ||
CHAR_SPACE === object.charCodeAt(object.length - 1)); | ||
// Simplified check for restricted first characters | ||
// http://www.yaml.org/spec/1.2/spec.html#ns-plain-first%28c%29 | ||
if (CHAR_MINUS === first || | ||
CHAR_QUESTION === first || | ||
CHAR_COMMERCIAL_AT === first || | ||
CHAR_GRAVE_ACCENT === first) { | ||
simple = false; | ||
} | ||
// Can only use > and | if not wrapped in spaces or is not a key. | ||
// Also, don't use if in flow mode. | ||
if (spaceWrap || (state.flowLevel > -1 && state.flowLevel <= level)) { | ||
if (spaceWrap) simple = false; | ||
folded = false; | ||
literal = false; | ||
} else { | ||
folded = !iskey; | ||
literal = !iskey; | ||
} | ||
single = true; | ||
double = new StringBuilder(object); | ||
sawLineFeed = false; | ||
linePosition = 0; | ||
longestLine = 0; | ||
indent = state.indent * level; | ||
max = state.lineWidth; | ||
// Replace -1 with biggest ingeger number according to | ||
// http://ecma262-5.com/ELS5_HTML.htm#Section_8.5 | ||
if (max === -1) max = 9007199254740991; | ||
if (indent < 40) max -= indent; | ||
else max = 40; | ||
for (position = 0; position < object.length; position++) { | ||
character = object.charCodeAt(position); | ||
if (simple) { | ||
// Characters that can never appear in the simple scalar | ||
if (!simpleChar(character)) { | ||
simple = false; | ||
} else { | ||
// Still simple. If we make it all the way through like | ||
// this, then we can just dump the string as-is. | ||
continue; | ||
} | ||
// Note: line breaking/folding is implemented for only the folded style. | ||
// NB. We drop the last trailing newline (if any) of a returned block scalar | ||
// since the dumper adds its own newline. This always works: | ||
// • No ending newline => unaffected; already using strip "-" chomping. | ||
// • Ending newline => removed then restored. | ||
// Importantly, this keeps the "+" chomp indicator from gaining an extra line. | ||
function writeScalar(state, string, level, iskey) { | ||
state.dump = (function () { | ||
if (string.length === 0) { | ||
return "''"; | ||
} | ||
if (single && character === CHAR_SINGLE_QUOTE) { | ||
single = false; | ||
if (!state.noCompatMode && | ||
DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) { | ||
return "'" + string + "'"; | ||
} | ||
escapeSeq = ESCAPE_SEQUENCES[character]; | ||
hexEsc = needsHexEscape(character); | ||
var indent = state.indent * Math.max(1, level); // no 0-indent scalars | ||
// As indentation gets deeper, let the width decrease monotonically | ||
// to the lower bound min(state.lineWidth, 40). | ||
// Note that this implies | ||
// state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. | ||
// state.lineWidth > 40 + state.indent: width decreases until the lower bound. | ||
// This behaves better than a constant minimum width which disallows narrower options, | ||
// or an indent threshold which causes the width to suddenly increase. | ||
var lineWidth = state.lineWidth === -1 | ||
? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); | ||
if (!escapeSeq && !hexEsc) { | ||
continue; | ||
// Without knowing if keys are implicit/explicit, assume implicit for safety. | ||
var singleLineOnly = iskey | ||
// No block styles in flow mode. | ||
|| (state.flowLevel > -1 && level >= state.flowLevel); | ||
function testAmbiguity(string) { | ||
return testImplicitResolving(state, string); | ||
} | ||
if (character !== CHAR_LINE_FEED && | ||
character !== CHAR_DOUBLE_QUOTE && | ||
character !== CHAR_SINGLE_QUOTE) { | ||
folded = false; | ||
literal = false; | ||
} else if (character === CHAR_LINE_FEED) { | ||
sawLineFeed = true; | ||
single = false; | ||
if (position > 0) { | ||
previous = object.charCodeAt(position - 1); | ||
if (previous === CHAR_SPACE) { | ||
literal = false; | ||
folded = false; | ||
} | ||
} | ||
if (folded) { | ||
lineLength = position - linePosition; | ||
linePosition = position; | ||
if (lineLength > longestLine) longestLine = lineLength; | ||
} | ||
switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) { | ||
case STYLE_PLAIN: | ||
return string; | ||
case STYLE_SINGLE: | ||
return "'" + string.replace(/'/g, "''") + "'"; | ||
case STYLE_LITERAL: | ||
return '|' + blockHeader(string, state.indent) | ||
+ dropEndingNewline(indentString(string, indent)); | ||
case STYLE_FOLDED: | ||
return '>' + blockHeader(string, state.indent) | ||
+ dropEndingNewline(indentString(foldString(string, lineWidth), indent)); | ||
case STYLE_DOUBLE: | ||
return '"' + escapeString(string, lineWidth) + '"'; | ||
default: | ||
throw new YAMLException('impossible error: invalid scalar style'); | ||
} | ||
}()); | ||
} | ||
if (character !== CHAR_DOUBLE_QUOTE) single = false; | ||
// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. | ||
function blockHeader(string, indentPerLevel) { | ||
var indentIndicator = (string[0] === ' ') ? String(indentPerLevel) : ''; | ||
double.takeUpTo(position); | ||
double.escapeChar(); | ||
} | ||
// note the special case: the string '\n' counts as a "trailing" empty line. | ||
var clip = string[string.length - 1] === '\n'; | ||
var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); | ||
var chomp = keep ? '+' : (clip ? '' : '-'); | ||
if (simple && testImplicitResolving(state, object)) simple = false; | ||
return indentIndicator + chomp + '\n'; | ||
} | ||
modifier = ''; | ||
if (folded || literal) { | ||
trailingLineBreaks = 0; | ||
if (object.charCodeAt(object.length - 1) === CHAR_LINE_FEED) { | ||
trailingLineBreaks += 1; | ||
if (object.charCodeAt(object.length - 2) === CHAR_LINE_FEED) { | ||
trailingLineBreaks += 1; | ||
} | ||
} | ||
if (trailingLineBreaks === 0) modifier = '-'; | ||
else if (trailingLineBreaks === 2) modifier = '+'; | ||
} | ||
if (literal && longestLine < max || state.tag !== null) { | ||
folded = false; | ||
} | ||
// If it's literally one line, then don't bother with the literal. | ||
// We may still want to do a fold, though, if it's a super long line. | ||
if (!sawLineFeed) literal = false; | ||
if (simple) { | ||
state.dump = object; | ||
} else if (single) { | ||
state.dump = '\'' + object + '\''; | ||
} else if (folded) { | ||
result = fold(object, max); | ||
state.dump = '>' + modifier + '\n' + indentString(result, indent); | ||
} else if (literal) { | ||
if (!modifier) object = object.replace(/\n$/, ''); | ||
state.dump = '|' + modifier + '\n' + indentString(object, indent); | ||
} else if (double) { | ||
double.finish(); | ||
state.dump = '"' + double.result + '"'; | ||
} else { | ||
throw new Error('Failed to dump scalar value'); | ||
} | ||
return; | ||
// (See the note for writeScalar.) | ||
function dropEndingNewline(string) { | ||
return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; | ||
} | ||
// The `trailing` var is a regexp match of any trailing `\n` characters. | ||
// | ||
// There are three cases we care about: | ||
// | ||
// 1. One trailing `\n` on the string. Just use `|` or `>`. | ||
// This is the assumed default. (trailing = null) | ||
// 2. No trailing `\n` on the string. Use `|-` or `>-` to "chomp" the end. | ||
// 3. More than one trailing `\n` on the string. Use `|+` or `>+`. | ||
// | ||
// In the case of `>+`, these line breaks are *not* doubled (like the line | ||
// breaks within the string), so it's important to only end with the exact | ||
// same number as we started. | ||
function fold(object, max) { | ||
var result = '', | ||
position = 0, | ||
length = object.length, | ||
trailing = /\n+$/.exec(object), | ||
newLine; | ||
// Note: a long line without a suitable break point will exceed the width limit. | ||
// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. | ||
function foldString(string, width) { | ||
// In folded style, $k$ consecutive newlines output as $k+1$ newlines— | ||
// unless they're before or after a more-indented line, or at the very | ||
// beginning or end, in which case $k$ maps to $k$. | ||
// Therefore, parse each chunk as newline(s) followed by a content line. | ||
var lineRe = /(\n+)([^\n]*)/g; | ||
if (trailing) { | ||
length = trailing.index + 1; | ||
} | ||
// first line (possibly an empty line) | ||
var result = (function () { | ||
var nextLF = string.indexOf('\n'); | ||
nextLF = nextLF !== -1 ? nextLF : string.length; | ||
lineRe.lastIndex = nextLF; | ||
return foldLine(string.slice(0, nextLF), width); | ||
}()); | ||
// If we haven't reached the first content line yet, don't add an extra \n. | ||
var prevMoreIndented = string[0] === '\n' || string[0] === ' '; | ||
var moreIndented; | ||
while (position < length) { | ||
newLine = object.indexOf('\n', position); | ||
if (newLine > length || newLine === -1) { | ||
if (result) result += '\n\n'; | ||
result += foldLine(object.slice(position, length), max); | ||
position = length; | ||
} else { | ||
if (result) result += '\n\n'; | ||
result += foldLine(object.slice(position, newLine), max); | ||
position = newLine + 1; | ||
} | ||
// rest of the lines | ||
var match; | ||
while ((match = lineRe.exec(string))) { | ||
var prefix = match[1], line = match[2]; | ||
moreIndented = (line[0] === ' '); | ||
result += prefix | ||
+ (!prevMoreIndented && !moreIndented && line !== '' | ||
? '\n' : '') | ||
+ foldLine(line, width); | ||
prevMoreIndented = moreIndented; | ||
} | ||
if (trailing && trailing[0] !== '\n') result += trailing[0]; | ||
return result; | ||
} | ||
function foldLine(line, max) { | ||
if (line === '') return line; | ||
// Greedy line breaking. | ||
// Picks the longest line under the limit each time, | ||
// otherwise settles for the shortest line over the limit. | ||
// NB. More-indented lines *cannot* be folded, as that would add an extra \n. | ||
function foldLine(line, width) { | ||
if (line === '' || line[0] === ' ') return line; | ||
var foldRe = /[^\s] [^\s]/g, | ||
result = '', | ||
prevMatch = 0, | ||
foldStart = 0, | ||
match = foldRe.exec(line), | ||
index, | ||
foldEnd, | ||
folded; | ||
// Since a more-indented line adds a \n, breaks can't be followed by a space. | ||
var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. | ||
var match; | ||
// start is an inclusive index. end, curr, and next are exclusive. | ||
var start = 0, end, curr = 0, next = 0; | ||
var result = ''; | ||
while (match) { | ||
index = match.index; | ||
// when we cross the max len, if the previous match would've | ||
// been ok, use that one, and carry on. If there was no previous | ||
// match on this fold section, then just have a long line. | ||
if (index - foldStart > max) { | ||
if (prevMatch !== foldStart) foldEnd = prevMatch; | ||
else foldEnd = index; | ||
if (result) result += '\n'; | ||
folded = line.slice(foldStart, foldEnd); | ||
result += folded; | ||
foldStart = foldEnd + 1; | ||
// Invariants: 0 <= start <= length-1. | ||
// 0 <= curr <= next <= max(0, length-2). curr - start <= width. | ||
// Inside the loop: | ||
// A match implies length >= 2, so curr and next are <= length-2. | ||
while ((match = breakRe.exec(line))) { | ||
next = match.index; | ||
// maintain invariant: curr - start <= width | ||
if (next - start > width) { | ||
end = (curr > start) ? curr : next; // derive end <= length-2 | ||
result += '\n' + line.slice(start, end); | ||
// skip the space that was output as \n | ||
start = end + 1; // derive start <= length-1 | ||
} | ||
prevMatch = index + 1; | ||
match = foldRe.exec(line); | ||
curr = next; | ||
} | ||
if (result) result += '\n'; | ||
// if we end up with one last word at the end, then the last bit might | ||
// be slightly bigger than we wanted, because we exited out of the loop. | ||
if (foldStart !== prevMatch && line.length - foldStart > max) { | ||
result += line.slice(foldStart, prevMatch) + '\n' + | ||
line.slice(prevMatch + 1); | ||
// By the invariants, start <= length-1, so there is something left over. | ||
// It is either the whole string or a part starting from non-whitespace. | ||
result += '\n'; | ||
// Insert a break if the remainder is too long and there is a break available. | ||
if (line.length - start > width && curr > start) { | ||
result += line.slice(start, curr) + '\n' + line.slice(curr + 1); | ||
} else { | ||
result += line.slice(foldStart); | ||
result += line.slice(start); | ||
} | ||
return result; | ||
return result.slice(1); // drop extra \n joiner | ||
} | ||
// Returns true if character can be found in a simple scalar | ||
function simpleChar(character) { | ||
return CHAR_TAB !== character && | ||
CHAR_LINE_FEED !== character && | ||
CHAR_CARRIAGE_RETURN !== character && | ||
CHAR_COMMA !== character && | ||
CHAR_LEFT_SQUARE_BRACKET !== character && | ||
CHAR_RIGHT_SQUARE_BRACKET !== character && | ||
CHAR_LEFT_CURLY_BRACKET !== character && | ||
CHAR_RIGHT_CURLY_BRACKET !== character && | ||
CHAR_SHARP !== character && | ||
CHAR_AMPERSAND !== character && | ||
CHAR_ASTERISK !== character && | ||
CHAR_EXCLAMATION !== character && | ||
CHAR_VERTICAL_LINE !== character && | ||
CHAR_GREATER_THAN !== character && | ||
CHAR_SINGLE_QUOTE !== character && | ||
CHAR_DOUBLE_QUOTE !== character && | ||
CHAR_PERCENT !== character && | ||
CHAR_COLON !== character && | ||
!ESCAPE_SEQUENCES[character] && | ||
!needsHexEscape(character); | ||
} | ||
// Escapes a double-quoted string. | ||
function escapeString(string) { | ||
var result = ''; | ||
var char; | ||
var escapeSeq; | ||
// Returns true if the character code needs to be escaped. | ||
function needsHexEscape(character) { | ||
return !((0x00020 <= character && character <= 0x00007E) || | ||
(character === 0x00085) || | ||
(0x000A0 <= character && character <= 0x00D7FF) || | ||
(0x0E000 <= character && character <= 0x00FFFD) || | ||
(0x10000 <= character && character <= 0x10FFFF)); | ||
for (var i = 0; i < string.length; i++) { | ||
char = string.charCodeAt(i); | ||
escapeSeq = ESCAPE_SEQUENCES[char]; | ||
result += !escapeSeq && isPrintable(char) | ||
? string[i] | ||
: escapeSeq || encodeHex(char); | ||
} | ||
return result; | ||
} | ||
@@ -490,0 +480,0 @@ |
@@ -746,2 +746,3 @@ 'use strict'; | ||
chomping = CHOMPING_CLIP, | ||
didReadContent = false, | ||
detectedIndent = false, | ||
@@ -828,5 +829,5 @@ textIndent = nodeIndent, | ||
if (chomping === CHOMPING_KEEP) { | ||
state.result += common.repeat('\n', emptyLines); | ||
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); | ||
} else if (chomping === CHOMPING_CLIP) { | ||
if (detectedIndent) { // i.e. only if the scalar is not empty. | ||
if (didReadContent) { // i.e. only if the scalar is not empty. | ||
state.result += '\n'; | ||
@@ -846,3 +847,4 @@ } | ||
atMoreIndented = true; | ||
state.result += common.repeat('\n', emptyLines + 1); | ||
// except for the first content line (cf. Example 8.1) | ||
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); | ||
@@ -856,3 +858,3 @@ // End of more-indented block. | ||
} else if (emptyLines === 0) { | ||
if (detectedIndent) { // i.e. only if we have already read some scalar content. | ||
if (didReadContent) { // i.e. only if we have already read some scalar content. | ||
state.result += ' '; | ||
@@ -867,10 +869,8 @@ } | ||
// Literal style: just add exact number of line breaks between content lines. | ||
} else if (detectedIndent) { | ||
// If current line isn't the first one - count line break from the last content line. | ||
state.result += common.repeat('\n', emptyLines + 1); | ||
} else { | ||
// In case of the first content line - count only empty lines. | ||
state.result += common.repeat('\n', emptyLines); | ||
// Keep all line breaks except the header line break. | ||
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); | ||
} | ||
didReadContent = true; | ||
detectedIndent = true; | ||
@@ -877,0 +877,0 @@ emptyLines = 0; |
@@ -5,5 +5,10 @@ 'use strict'; | ||
// A trick for browserified version. | ||
// Since we make browserifier to ignore `buffer` module, NodeBuffer will be undefined | ||
var NodeBuffer = require('buffer').Buffer; | ||
var NodeBuffer; | ||
try { | ||
// A trick for browserified version, to not include `Buffer` shim | ||
var _require = require; | ||
NodeBuffer = _require('buffer').Buffer; | ||
} catch (__) {} | ||
var Type = require('../type'); | ||
@@ -10,0 +15,0 @@ |
{ | ||
"name": "js-yaml", | ||
"version": "3.5.5", | ||
"version": "3.6.0", | ||
"description": "YAML 1.2 parser and serializer", | ||
@@ -30,3 +30,3 @@ "keywords": [ | ||
"dependencies": { | ||
"argparse": "^1.0.2", | ||
"argparse": "^1.0.7", | ||
"esprima": "^2.6.0" | ||
@@ -38,4 +38,4 @@ }, | ||
"browserify": "^13.0.0", | ||
"codemirror": "^5.10.0", | ||
"eslint": "^2.0.0-rc.1", | ||
"codemirror": "^5.13.4", | ||
"eslint": "^2.8.0", | ||
"istanbul": "*", | ||
@@ -45,5 +45,2 @@ "mocha": "*", | ||
}, | ||
"browser": { | ||
"buffer": false | ||
}, | ||
"scripts": { | ||
@@ -50,0 +47,0 @@ "test": "make test" |
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