package python import ( "sourcegraph.com/sourcegraph/sourcegraph/pkg/lsp" ) func offsetForPosition(contents []byte, p lsp.Position) (offset uint64, valid bool) { line := 0 col := 0 // TODO(sqs): count chars, not bytes, per LSP. does that mean we // need to maintain 2 separate counters since we still need to // return the offset as bytes? for _, b := range contents { if line == p.Line && col == p.Character { return offset, true } if line > p.Line || (line == p.Line && col > p.Character) { return 0, false } offset++ if b == '\n' { line++ col = 0 } else { col++ } } return 0, false }