SIMPLE_JSON_QUICK - Zero-Configuration JSON

Overview

SIMPLE_JSON_QUICK provides the simplest possible JSON operations for beginners. One-liner parse, query, and build operations with sensible defaults.

For full control, use SIMPLE_JSON directly.

Quick Start

local
    json: SIMPLE_JSON_QUICK
    name: detachable STRING
do
    create json.make

    -- Parse and query in one call
    name := json.get_string (json_string, "$.users[0].name")

    -- Parse to object
    if attached json.parse_object (json_string) as obj then
        name := json.string_at (obj, "user.name")
    end

    -- Build JSON fluently
    print (json.object.put ("name", "Alice").put ("age", 30).to_json)
    -- {"name":"Alice","age":30}

    -- Quick object from pairs
    print (json.from_pairs (<<["city", "Paris"], ["country", "France"]>>))

    -- Validation
    if json.is_valid (some_string) then ...
    if json.is_object (some_string) then ...
end

API Reference

Parsing

Feature	Description
`parse (json)`	Parse JSON string to value
`parse_object (json)`	Parse JSON string to object
`parse_array (json)`	Parse JSON string to array
`parse_file (path)`	Parse JSON file

Querying

Feature	Description
`get_string (json, path)`	Get string at JSONPath
`get_integer (json, path)`	Get integer at JSONPath
`get_real (json, path)`	Get real at JSONPath
`get_boolean (json, path)`	Get boolean at JSONPath
`string_at (obj, dotpath)`	Get string via dot-path
`integer_at (obj, dotpath)`	Get integer via dot-path

Building

Feature	Description
`object`	Start fluent object builder
`from_pairs (pairs)`	Build object from key-value pairs

Validation

Feature	Description
`is_valid (json)`	Is string valid JSON?
`is_object (json)`	Is string a JSON object?
`is_array (json)`	Is string a JSON array?

When to Use QUICK vs Standard API

Use QUICK when...	Use Standard API when...
Learning JSON in Eiffel	Need JSON Schema validation
Simple config file parsing	Need JSON Patch/Pointer
Quick one-liner operations	Processing large files
Building simple JSON responses	Need custom serialization