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refactor(yaml): inline readTagProperty() (#5849)

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Tim Reichen 2024-08-28 09:11:23 +02:00 committed by GitHub
parent 2e209c0ff6
commit 937da3966e
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1 changed files with 102 additions and 103 deletions
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205
yaml/_loader_state.ts
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@ -1276,6 +1276,107 @@ export class LoaderState {
return detected;
}
readTagProperty(): boolean {
let position: number;
let isVerbatim = false;
let isNamed = false;
let tagHandle = "";
let tagName: string;
let ch: number;
ch = this.peek();
if (ch !== EXCLAMATION) return false;
if (this.tag !== null) {
return this.throwError(
"Cannot read tag property: duplication of a tag property",
);
}
ch = this.next();
if (ch === SMALLER_THAN) {
isVerbatim = true;
ch = this.next();
} else if (ch === EXCLAMATION) {
isNamed = true;
tagHandle = "!!";
ch = this.next();
} else {
tagHandle = "!";
}
position = this.position;
if (isVerbatim) {
do {
ch = this.next();
} while (ch !== 0 && ch !== GREATER_THAN);
if (this.position < this.length) {
tagName = this.input.slice(position, this.position);
ch = this.next();
} else {
return this.throwError(
"Cannot read tag property: unexpected end of stream",
);
}
} else {
while (ch !== 0 && !isWhiteSpaceOrEOL(ch)) {
if (ch === EXCLAMATION) {
if (!isNamed) {
tagHandle = this.input.slice(position - 1, this.position + 1);
if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
return this.throwError(
"Cannot read tag property: named tag handle contains invalid characters",
);
}
isNamed = true;
position = this.position + 1;
} else {
return this.throwError(
"Cannot read tag property: tag suffix cannot contain an exclamation mark",
);
}
}
ch = this.next();
}
tagName = this.input.slice(position, this.position);
if (PATTERN_FLOW_INDICATORS.test(tagName)) {
return this.throwError(
"Cannot read tag property: tag suffix cannot contain flow indicator characters",
);
}
}
if (tagName && !PATTERN_TAG_URI.test(tagName)) {
return this.throwError(
`Cannot read tag property: invalid characters in tag name "${tagName}"`,
);
}
if (isVerbatim) {
this.tag = tagName;
} else if (this.tagMap.has(tagHandle)) {
this.tag = this.tagMap.get(tagHandle) + tagName;
} else if (tagHandle === "!") {
this.tag = `!${tagName}`;
} else if (tagHandle === "!!") {
this.tag = `tag:yaml.org,2002:${tagName}`;
} else {
return this.throwError(
`Cannot read tag property: undeclared tag handle "${tagHandle}"`,
);
}
return true;
}
readDocument() {
const documentStart = this.position;
@ -1405,108 +1506,6 @@ export class LoaderState {
}
}
function readTagProperty(state: LoaderState): boolean {
let position: number;
let isVerbatim = false;
let isNamed = false;
let tagHandle = "";
let tagName: string;
let ch: number;
ch = state.peek();
if (ch !== EXCLAMATION) return false;
if (state.tag !== null) {
return state.throwError(
"Cannot read tag property: duplication of a tag property",
);
}
ch = state.next();
if (ch === SMALLER_THAN) {
isVerbatim = true;
ch = state.next();
} else if (ch === EXCLAMATION) {
isNamed = true;
tagHandle = "!!";
ch = state.next();
} else {
tagHandle = "!";
}
position = state.position;
if (isVerbatim) {
do {
ch = state.next();
} while (ch !== 0 && ch !== GREATER_THAN);
if (state.position < state.length) {
tagName = state.input.slice(position, state.position);
ch = state.next();
} else {
return state.throwError(
"Cannot read tag property: unexpected end of stream",
);
}
} else {
while (ch !== 0 && !isWhiteSpaceOrEOL(ch)) {
if (ch === EXCLAMATION) {
if (!isNamed) {
tagHandle = state.input.slice(position - 1, state.position + 1);
if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
return state.throwError(
"Cannot read tag property: named tag handle contains invalid characters",
);
}
isNamed = true;
position = state.position + 1;
} else {
return state.throwError(
"Cannot read tag property: tag suffix cannot contain an exclamation mark",
);
}
}
ch = state.next();
}
tagName = state.input.slice(position, state.position);
if (PATTERN_FLOW_INDICATORS.test(tagName)) {
return state.throwError(
"Cannot read tag property: tag suffix cannot contain flow indicator characters",
);
}
}
if (tagName && !PATTERN_TAG_URI.test(tagName)) {
return state.throwError(
`Cannot read tag property: invalid characters in tag name "${tagName}"`,
);
}
if (isVerbatim) {
state.tag = tagName;
} else if (state.tagMap.has(tagHandle)) {
state.tag = state.tagMap.get(tagHandle) + tagName;
} else if (tagHandle === "!") {
state.tag = `!${tagName}`;
} else if (tagHandle === "!!") {
state.tag = `tag:yaml.org,2002:${tagName}`;
} else {
return state.throwError(
`Cannot read tag property: undeclared tag handle "${tagHandle}"`,
);
}
return true;
}
function readAnchorProperty(state: LoaderState): boolean {
let ch = state.peek();
if (ch !== AMPERSAND) return false;
@ -1600,7 +1599,7 @@ function composeNode(
}
if (indentStatus === 1) {
while (readTagProperty(state) || readAnchorProperty(state)) {
while (state.readTagProperty() || readAnchorProperty(state)) {
if (state.skipSeparationSpace(true, -1)) {
atNewLine = true;
allowBlockCollections = allowBlockStyles;