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fix: Prevent Accessing Negative Index #27

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merged 1 commit into from
Jul 25, 2024
Merged

fix: Prevent Accessing Negative Index #27

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36 changes: 29 additions & 7 deletions formatter/general.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,18 +31,40 @@ func (f *GeneralIssueFormatter) Format(
) string {
var result strings.Builder

lineIndex := issue.Start.Line - 1
if lineIndex < 0 {
lineIndex = 0
}
if lineIndex >= len(snippet.Lines) {
lineIndex = len(snippet.Lines) - 1
}

lineNumberStr := fmt.Sprintf("%d", issue.Start.Line)
padding := strings.Repeat(" ", len(lineNumberStr)-1)
result.WriteString(lineStyle.Sprintf(" %s|\n", padding))

line := expandTabs(snippet.Lines[issue.Start.Line-1])
result.WriteString(lineStyle.Sprintf("%d | ", issue.Start.Line))
result.WriteString(line + "\n")
// line := expandTabs(snippet.Lines[issue.Start.Line-1])
// result.WriteString(lineStyle.Sprintf("%d | ", issue.Start.Line))
// result.WriteString(line + "\n")

// visualColumn := calculateVisualColumn(line, issue.Start.Column)
// result.WriteString(lineStyle.Sprintf(" %s| ", padding))
// result.WriteString(strings.Repeat(" ", visualColumn))
// result.WriteString(messageStyle.Sprintf("^ %s\n\n", issue.Message))

if len(snippet.Lines) > 0 {
line := expandTabs(snippet.Lines[lineIndex])
result.WriteString(lineStyle.Sprintf("%d | ", issue.Start.Line))
result.WriteString(line + "\n")

visualColumn := calculateVisualColumn(line, issue.Start.Column)
result.WriteString(lineStyle.Sprintf(" %s| ", padding))
result.WriteString(strings.Repeat(" ", visualColumn))
result.WriteString(messageStyle.Sprintf("^ %s\n\n", issue.Message))
visualColumn := calculateVisualColumn(line, issue.Start.Column)
result.WriteString(lineStyle.Sprintf(" %s| ", padding))
result.WriteString(strings.Repeat(" ", visualColumn))
result.WriteString(messageStyle.Sprintf("^ %s\n\n", issue.Message))
} else {
result.WriteString(messageStyle.Sprintf("Unable to display line. File might be empty.\n"))
result.WriteString(messageStyle.Sprintf("Issue: %s\n\n", issue.Message))
}

return result.String()
}
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