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48 lines
1.7 KiB
48 lines
1.7 KiB
5 years ago
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#--- json_escape_string() - Format a string value according to JSON syntax (no unicode for now) ---
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function json_escape_string() {
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sed -E '$!N; s/(["\\\/])/\\\1/g; s/\'$'\b''/\\b/g; s/\n/\\n/g; s/\'$'\t''/\\t/g; s/\'$'\f''/\\f/g; s/\'$'\r''/\\r/g' <<<"$*" | tr -d '\n'
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}
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#--- json_unescape_string() - Convert a JSON string (without quotes) to native bash format ---
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function json_unescape_string() {
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sed -E 's/\\"/"/g; s#\\/#/#g; s/\\b/'$'\b''/; s/\\n/\'$'\n''/g; s/\\t/\'$'\t''/g; s/\\f/\'$'\f''/g; s/\\r/\'$'\r''/g; s/\\\\/\\/g' <<<"$*"
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}
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#--- json_array() - Format a JSON array ---
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function json_array() {
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local sep=''
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echo -n "["
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#--- Print each argument as a JSON element ---
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for value in "$@"; do
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#--- Quote value ---
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echo -n "$sep\"`json_escape_string "$value"`\""
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#--- Add a seperator for subsequent elements ---
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sep=', '
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done
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#--- Close JSON reponse ---
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echo "]"
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}
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#--- json_dict() - Format a JSON dictionary ---
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function json_dict() {
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local var
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local sep=''
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echo -n "{"
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#--- Print each argument as a JSON element ---
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for var in "$@"; do
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#--- var=value : String value supplied inline, escape string for JSON ---
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if [[ "$var" =~ ^([^=]*)=(.*)$ ]]; then
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echo -n "$sep\"${BASH_REMATCH[1]}\": \"`json_escape_string "${BASH_REMATCH[2]}"`\""
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#--- var:value : Raw JSON value supplied inline, don't escape ---
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elif [[ "$var" =~ ^([^:]*):(.*)$ ]]; then
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echo -n "$sep\"${BASH_REMATCH[1]}\": ${BASH_REMATCH[2]}"
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#--- var : String value is to be obtained from bash environment variables ---
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else
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echo -n "$sep\"$var\": \"`json_escape_string "${!var}"`\""
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fi
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#--- Add a seperator for subsequent elements ---
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sep=', '
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done
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#--- Close JSON reponse ---
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echo "}"
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}
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