52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
// MiniJsonLoader (Stage-B scaffold)
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// Purpose: centralize minimal JSON cursor ops for Mini-VM.
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// Implementation note: For now we delegate to local MiniJsonCur-compatible
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// helpers. In a later step, this can be swapped to use `apps/libs/json_cur.hako`
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// (JsonCursorBox) without touching Mini-VM call sites.
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static box MiniJsonLoader {
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read_quoted_from(s, pos) {
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// Local fallback (same behavior as MiniJsonCur.read_quoted_from)
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// Keep in sync with Mini-VM until libs adoption gate is enabled.
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local i = pos
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if s.substring(i, i+1) != "\"" { return "" }
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i = i + 1
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local out = ""
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local n = s.length()
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loop (i < n) {
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local ch = s.substring(i, i+1)
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if ch == "\"" { break }
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if ch == "\\" { i = i + 1 ch = s.substring(i, i+1) }
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out = out + ch
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i = i + 1
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}
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return out
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}
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read_digits_from(s, pos) {
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local out = ""
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local i = pos
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if i == null { return out }
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if i < 0 { return out }
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loop (true) {
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local ch = s.substring(i, i+1)
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if ch == "" { break }
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if ch == "0" || ch == "1" || ch == "2" || ch == "3" || ch == "4" || ch == "5" || ch == "6" || ch == "7" || ch == "8" || ch == "9" {
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out = out + ch
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i = i + 1
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} else { break }
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}
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return out
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}
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next_non_ws(s, pos) {
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local i = pos
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local n = s.length()
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loop (i < n) {
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local ch = s.substring(i, i+1)
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if ch != " " && ch != "\n" && ch != "\r" && ch != "\t" { return i }
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i = i + 1
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}
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return -1
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}
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}
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