Discover how to master JSON parsing in MQL5 without a built-in library. This article guides you through creating a flexible JSON reader for MetaTrader 5, ideal for integrating web API data and local configurations. It covers parsing essential JSON elements—strings, numbers, arrays, and objects—and discusses converting MQL5 data structures into JSON. Practical use cases include fetching market data and transmitting trade logs. Learn to address challenges like special characters and whitespace handling. By the article’s end, you’ll craft a custom, robust JSON parser, enhancing your algorithmic trading strategies with dynamic configuration capabilities. Explore JSON integration seamlessly in your trading programs.
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