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annotate util/jsonpointer.lua @ 14016:1df1782ccdfe

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prosodyctl shell: Improve process exit codes This fixes a bug introduced in 3326c8a29a86 where prosodyctl shell would always exit with non-zero error codes, even on success. Now it will exit with 0 for success, or 1 if any errors were printed. It also updates the other exit codes in the shell command to help distinguish between different error cases. These are based on the sysexits.h codes, although it is not recommended to rely on that interface.
author Matthew Wild <mwild1@gmail.com>
date Fri, 19 Dec 2025 15:32:26 +0000
parents b713da7527d2
children
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1 -- This file is generated from teal-src/prosody/util/jsonpointer.tl
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2 local function unescape_token(escaped_token)
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3 local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~")
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4 return unescaped
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5 end
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6
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7 local function resolve_json_pointer(ref, path)
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8 local ptr_len = #path + 1
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9 for part, pos in path:gmatch("/([^/]*)()") do
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10 local token = unescape_token(part)
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11 if not (type(ref) == "table") then
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12 return nil
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13 end
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14 local idx = next(ref)
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15 local new_ref
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16
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17 if type(idx) == "string" then
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18 new_ref = ref[token]
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19 elseif math.type(idx) == "integer" then
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20 local i = tonumber(token)
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21 if token == "-" then
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22 i = #(ref) + 1
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23 end
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24 new_ref = ref[i + 1]
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25 else
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26 return nil, "invalid-table"
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27 end
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28
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29 if pos == ptr_len then
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30 return new_ref
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31 elseif type(new_ref) == "table" then
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32 ref = new_ref
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33 elseif not (type(ref) == "table") then
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34 return nil, "invalid-path"
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35 end
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36
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37 end
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38 return ref
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39 end
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40
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41 return { resolve = resolve_json_pointer }