KeyView 24.4
KeyView Filter SDK C++ Programming Guide

# Streaming Filtered Text

Sometimes, you might want to get filtered text in small chunks instead of all at once. This approach has the following advantages:

- You can process the output data in parallel with filtering the rest of the text. Parallel processing can minimize the time it takes to filter and process the text.
- You can choose to stop filtering when the application has all the text it needs, which can save valuable resources. This approach is called partial filtering.

You can use the `text` method on a `Document` object to obtain a `std::istream`, from which you can stream filtered text. KeyView only processes as much of the document as it needs to output the text you read. For example:

Copy

    for(std::string line; std::getline(doc.text(), line);)
    {
        doSomething(line);
    }

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Version 24.4 | Last updated September 2024

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Product: IDOL KeyView 24.4

Topic Title: Streaming Filtered Text