Function processLineNumber

src/processTargets/processMark.ts:154–207

(context: ProcessedTargetsContext, mark: LineNumber)

}

function processLineNumber(context: ProcessedTargetsContext, mark: LineNumber) {
  const editor = context.currentEditor!;
  const getLine = (linePosition: LineNumberPosition) => {
    switch (linePosition.type) {
      case "absolute":
        return linePosition.lineNumber;
      case "relative":
        return editor.selection.active.line + linePosition.lineNumber;
      case "modulo100":
        const stepSize = 100;
        const startLine = editor.visibleRanges[0].start.line;
        const endLine =
          editor.visibleRanges[editor.visibleRanges.length - 1].end.line;
        const base = Math.floor(startLine / stepSize) * stepSize;
        const visibleLines = [];
        const invisibleLines = [];
        let lineNumber = base + linePosition.lineNumber;
        while (lineNumber <= endLine) {
          if (lineNumber >= startLine) {
            const visible = editor.visibleRanges.find(
              (r) => lineNumber >= r.start.line && lineNumber <= r.end.line
            );
            if (visible) {
              visibleLines.push(lineNumber);
            } else {
              invisibleLines.push(lineNumber);
            }
          }
          lineNumber += stepSize;
        }
        if (visibleLines.length === 1) {
          return visibleLines[0];
        }
        if (visibleLines.length + invisibleLines.length > 1) {
          throw new Error("Multiple lines matching");
        }
        if (invisibleLines.length === 1) {
          return invisibleLines[0];
        }
        throw new Error("Line is not in viewport");
    }
  };
  return [
    {
      selection: new Selection(
        getLine(mark.anchor),
        0,
        getLine(mark.active),
        0
      ),
      editor: context.currentEditor!,
    },
  ];
}

function isAlphaNum(text: string) {
  return /^\w+$/.test(text);