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Split up main labelTokenizing routine

This commit is contained in:
Rene Saarsoo 2020-09-22 22:01:30 +03:00
parent 955c74be42
commit 0a6bf2fba4
1 changed files with 34 additions and 26 deletions
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28
src/parser/tokenizer.ts
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@ -103,13 +103,7 @@ const tokenizeComment = (line: string, row: number): Token[] | undefined => {
];
};
const tokenizeLabelToken = (line: string, row: number): Token[] | undefined => {
const [, label, separator, paramString] = line.match(/^(\w+)(:\s*)(.*?)\s*$/) || [];
if (!label) {
return undefined;
}
if (isHeaderType(label)) {
const tokenizeHeader = (label: HeaderType, separator: string, paramString: string, row: number): Token[] => {
const token: HeaderToken = {
type: "header",
value: label,
@ -124,9 +118,9 @@ const tokenizeLabelToken = (line: string, row: number): Token[] | undefined => {
},
};
return [token, param];
}
};
if (isIntervalType(label)) {
const tokenizeInterval = (label: IntervalType, separator: string, paramString: string, row: number): Token[] => {
const token: IntervalToken = {
type: "interval",
value: label,
@ -137,6 +131,20 @@ const tokenizeLabelToken = (line: string, row: number): Token[] | undefined => {
col: label.length + separator.length,
});
return [token, ...params];
};
const tokenizeLabeledLine = (line: string, row: number): Token[] | undefined => {
const [, label, separator, paramString] = line.match(/^(\w+)(:\s*)(.*?)\s*$/) || [];
if (!label) {
return undefined;
}
if (isHeaderType(label)) {
return tokenizeHeader(label, separator, paramString, row);
}
if (isIntervalType(label)) {
return tokenizeInterval(label, separator, paramString, row);
}
throw new ParseError(`Unknown label "${label}:"`, { row, col: 0 });
@ -144,7 +152,7 @@ const tokenizeLabelToken = (line: string, row: number): Token[] | undefined => {
const tokenizeRule = (line: string, row: number): Token[] => {
return (
tokenizeLabelToken(line, row) ||
tokenizeLabeledLine(line, row) ||
tokenizeComment(line, row) || [{ type: "text", value: line.trim(), loc: { row, col: 0 } }]
);
};