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sh/jshn.sh: add json_for_each_item()

Function usefull to iterate through the different elements of an
array or object; the provided callback function is called for each
element which is passed the value, key and user provided arguments.
For field types different from array or object the callback is called
with the retrieved value.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Acked-by: Jo-Philipp Wich <jo@mein.io>
master
Hans Dedecker 3 years ago
parent
commit
bb0c830b2a
1 changed files with 25 additions and 0 deletions
  1. +25
    -0
      sh/jshn.sh

+ 25
- 0
sh/jshn.sh View File

@ -288,3 +288,28 @@ json_is_a() {
json_get_type type "$1"
[ "$type" = "$2" ]
}
json_for_each_item() {
[ "$#" -ge 2 ] || return 0
local function="$1"; shift
local target="$1"; shift
local type val
json_get_type type "$target"
case "$type" in
object|array)
local keys key
json_select "$target"
json_get_keys keys
for key in $keys; do
json_get_var val "$key"
eval "$function \"\$val\" \"\$key\" \"\$@\""
done
json_select ..
;;
*)
json_get_var val "$target"
eval "$function \"\$val\" \"\" \"\$@\""
;;
esac
}

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