refactor: extract some functions from Argcfile.sh to scripts (#38)

.gitignore

@@ -1,4 +1,6 @@
 /tmp
+functions.txt
+bots.txt
 tools.txt
 functions.json
 /bin

Argcfile.sh

@@ -292,9 +292,9 @@ EOF
 _ask_json_data() {
     declaration="$1"
     echo 'Missing the JSON data but here are its properties:'
-    echo "$declaration" | _inspect_declaration_params | sed 's/^/>  /'
+    echo "$declaration" | ./scripts/declarations-util.sh pretty-print | sed -n '2,$s/^/>/p'
     echo 'Generate placeholder data:'
-    data="$(echo "$declaration" | _generate_data_according_declaration)"
+    data="$(echo "$declaration" | _declarations_json_data)"
     echo ">  $data"
     read -r -p 'Use the generated data? (y/n) ' res
     case "$res" in
@@ -308,64 +308,8 @@ _ask_json_data() {
     esac
 }
 
-_inspect_declaration_params() {
-    jq -r '
-def get_indicator:
-    .value.type as $type |
-    [
-        { condition: ($type == "array" and .required), result: "+" },
-        { condition: ($type == "array"), result: "*" },
-        { condition: .required, result: "!" },
-        { condition: true, result: "" }
-    ] | map(select(.condition) | .result) | first;
-
-def get_kind:
-    .value.type as $type |
-    (.value.enum // []) as $enum |
-    ([
-        { condition: ($type == "array"), result: "string[]" },
-        { condition: ($type == "string" and ($enum | length > 0)), result: ($enum | join("|")) },
-        { condition: ($type == "string"), result: "" },
-        { condition: true, result: $type }
-    ] | map(select(.condition) | .result) | first) as $kind |
-    if $kind != "" then "(\($kind))" else "" end;
-
-def print_property:
-    .key as $key |
-    (.value.description | split("\n")[0]) as $description |
-    (. | get_kind) as $kind |
-    (. | get_indicator) as $indicator |
-    "\($key)\($kind)\($indicator): \($description)";
-
-.parameters | 
-.required as $requiredProperties |
-.properties | to_entries[] | 
-.key as $key | .+ { "required": ($requiredProperties | index($key) != null) } |
-print_property
-'
-}
-
-_generate_data_according_declaration() {
-    jq -c '
-def convert_string:
-    if has("enum") then .enum[0] else "foo" end;
-
-def convert_property:
-    .key as $key |
-    .value.type as $type |
-    [
-        { condition: ($type == "string"), result: { $key: (.value | convert_string) }},
-        { condition: ($type == "boolean"), result: { $key: false }},
-        { condition: ($type == "integer"), result: { $key: 42 }},
-        { condition: ($type == "number"), result: { $key: 3.14 }},
-        { condition: ($type == "array"), result: { $key: [ "v1" ] } }
-    ] | map(select(.condition) | .result) | first;
-
-.parameters |
-[
-    .properties | to_entries[] | convert_property
-] | add // {}
-'
+_declarations_json_data() {
+   ./scripts/declarations-util.sh generate-json | tail -n +2
 }
 
 _normalize_path() {

scripts/declarations-util.sh

@@ -0,0 +1,133 @@
+#!/usr/bin/env bash
+
+set -e
+
+# @cmd Pretty print declarations
+#
+# Examples:
+#   ./scripts/declarations.sh pretty-print functions.json
+#   cat functions.json | ./scripts/declarations.sh pretty-print functions.json
+# @flag --no-type Do not to display param type info
+# @arg json-file The json file, Read stdin if omitted
+pretty-print() {
+    _run _pretty_print
+}
+
+# @cmd Generate placeholder json according to declarations
+# Examples:
+#   ./scripts/declarations.sh generate-json-data functions.json
+#   cat functions.json | ./scripts/declarations.sh generate-json-data functions.json
+# @arg json-file The json file, Read stdin if omitted
+generate-json() {
+    _run _generate_json
+}
+
+_run() {
+    func="$1"
+    _get_declarations_data
+    if [[ "$json_type" == "object" ]]; then
+        echo "$json_data" | $func
+    elif [[ "$json_type" == "array" ]]; then
+        for i in $(seq 1 $json_array_len); do
+            echo "$json_data" | jq '.['$((i-1))']'  | $func
+        done
+    fi
+}
+
+_get_declarations_data() {
+    if [[ -f "$argc_json_file" ]]; then
+        json_data="$(cat "$argc_json_file")"
+    else
+        json_data="$(cat)"
+    fi
+    json_type="$(echo "$json_data" | jq -r '
+if type == "array" then
+    (. | length) as $len | "array;\($len)"
+else
+    if type == "object" then
+        type
+    else
+        ""
+    end
+end
+' 2>/dev/null || true)"
+    if [[ "$json_type" == *object* ]]; then
+        :;
+    elif [[ "$json_type" == *array* ]]; then
+        json_array_len="${json_type#*;}"
+        json_type="${json_type%%;*}"
+        if [[ ! "$json_array_len" -gt 0 ]]; then
+            json_type=""
+        fi
+    fi
+    if [[ -z "$json_type" ]]; then
+        echo "invalid JSON data"
+        exit 1
+    fi
+}
+
+_pretty_print() {
+    jq --arg no_type "$argc_no_type" -r '
+def get_type:
+    .value.type as $type |
+    (if .required then "" else "?" end) as $symbol |
+    (.value.enum // []) as $enum |
+    ([
+        { condition: ($type == "array"), result: "string[]" },
+        { condition: ($type == "string" and ($enum | length > 0)), result: ($enum | join("|")) },
+        { condition: ($type == "string"), result: "" },
+        { condition: true, result: $type }
+    ] | map(select(.condition) | .result) | first) as $kind |
+    if $kind != "" then "(\($kind))\($symbol)" else $symbol end;
+
+def oneline_description: split("\n")[0];
+
+def parse_property:
+    .key as $key |
+    (.value.description | oneline_description) as $description |
+    (if $no_type != "1" then (. | get_type) else "" end) as $type |
+    "  \($key)\($type): \($description)";
+
+def print_params:
+    .parameters | 
+    .required as $requiredProperties |
+    .properties | to_entries[] | 
+    .key as $key | .+ { "required": ($requiredProperties | index($key) != null) } |
+    parse_property;
+
+def print_title:
+    (.description | oneline_description) as $description |
+    "\(.name): \($description)";
+
+print_title, print_params
+'
+}
+
+_generate_json() {
+    jq -r -c '
+def convert_string:
+    if has("enum") then .enum[0] else "foo" end;
+
+def parse_property:
+    .key as $key |
+    .value.type as $type |
+    [
+        { condition: ($type == "string"), result: { $key: (.value | convert_string) }},
+        { condition: ($type == "boolean"), result: { $key: false }},
+        { condition: ($type == "integer"), result: { $key: 42 }},
+        { condition: ($type == "number"), result: { $key: 3.14 }},
+        { condition: ($type == "array"), result: { $key: [ "v1" ] } }
+    ] | map(select(.condition) | .result) | first;
+
+.name,
+(
+    .parameters |
+    [
+        .properties | to_entries[] | parse_property
+    ] | add // {}
+)
+'
+}
+
+# See more details at https://github.com/sigoden/argc
+eval "$(argc --argc-eval "$0" "$@")"