Sha256: d1fb182f337d153c664f3c2bcbcd3abed81940fe5e72b37c317574dc860d09a5
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Size: 1.12 KB
Versions: 11
Compression:
Stored size: 1.12 KB
Contents
# frozen_string_literal: true
# Note: Everything is 0-indexed here.
module ThemeCheck
module PositionHelper
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
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
def bounded(a, x, b)
return a if x < a
return b if x > b
x
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems