62 lines
2.1 KiB
Plaintext
62 lines
2.1 KiB
Plaintext
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// Mini-VM JSON cursor helpers (extracted)
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// One static box per file per using/include policy
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static box MiniJsonCur {
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_is_digit(ch) { if ch == "0" { return 1 } if ch == "1" { return 1 } if ch == "2" { return 1 } if ch == "3" { return 1 } if ch == "4" { return 1 } if ch == "5" { return 1 } if ch == "6" { return 1 } if ch == "7" { return 1 } if ch == "8" { return 1 } if ch == "9" { return 1 } return 0 }
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// Skip whitespace from pos; return first non-ws index or -1
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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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// Read a quoted string starting at pos '"'; returns decoded string (no state)
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read_quoted_from(s, pos) {
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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 == "\\" {
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i = i + 1
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ch = s.substring(i, i+1)
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}
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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 consecutive digits from pos
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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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// guard against invalid position (null/negative)
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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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// inline digit check to avoid same-box method dispatch
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if ch == "0" { out = out + ch i = i + 1 continue }
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if ch == "1" { out = out + ch i = i + 1 continue }
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if ch == "2" { out = out + ch i = i + 1 continue }
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if ch == "3" { out = out + ch i = i + 1 continue }
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if ch == "4" { out = out + ch i = i + 1 continue }
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if ch == "5" { out = out + ch i = i + 1 continue }
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if ch == "6" { out = out + ch i = i + 1 continue }
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if ch == "7" { out = out + ch i = i + 1 continue }
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if ch == "8" { out = out + ch i = i + 1 continue }
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if ch == "9" { out = out + ch i = i + 1 continue }
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break
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}
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return out
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}
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}
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