Module: ThemeCheck::PositionHelper
- Included in:
- LanguageServer::CompletionEngine, LanguageServer::DocumentLinkProvider, Offense, Position, StrictPosition
- Defined in:
- lib/theme_check/position_helper.rb
Instance Method Summary collapse
- #bounded(a, x, b) ⇒ Object
- #from_index_to_row_column(content, index) ⇒ Object
- #from_row_column_to_index(content, row, col) ⇒ Object
Instance Method Details
#bounded(a, x, b) ⇒ Object
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# File 'lib/theme_check/position_helper.rb', line 29 def bounded(a, x, b) return a if x < a return b if x > b x end |
#from_index_to_row_column(content, index) ⇒ Object
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# File 'lib/theme_check/position_helper.rb', line 18 def from_index_to_row_column(content, index) return [0, 0] unless content.is_a?(String) && !content.empty? return [0, 0] unless index.is_a?(Integer) safe_index = bounded(0, index, content.size - 1) content_up_to_index = content[0...safe_index] row = content_up_to_index.count("\n") col = 0 col += 1 while (safe_index -= 1) && safe_index >= 0 && content[safe_index] != "\n" [row, col] end |
#from_row_column_to_index(content, row, col) ⇒ Object
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# File 'lib/theme_check/position_helper.rb', line 6 def from_row_column_to_index(content, row, col) return 0 unless content.is_a?(String) && !content.empty? return 0 unless row.is_a?(Integer) && col.is_a?(Integer) i = 0 safe_row = bounded(0, row, content.count("\n")) scanner = StringScanner.new(content) scanner.scan_until(/\n/) while i < safe_row && (i += 1) result = scanner.charpos || 0 scanner.scan_until(/\n|\z/) bounded(result, result + col, scanner.pre_match.size) end |