# crxml Documentation

> High-performance Crystal Reports XML to Arrow/DataFrame engine for Python. Parse, filter, rename, cast, and project Crystal Reports XML directly into columnar data, with Rust execution, parallel parsing, bounded-memory processing, and automatic query fusion.

## Overview
- [crxml](https://crxml.emiliano-go.com/): High-performance Crystal Reports XML to Arrow/DataFrame engine for Python
- [Installation](https://crxml.emiliano-go.com/installation/): Install crxml via pip
- [Getting Started](https://crxml.emiliano-go.com/getting-started/): Parse your first Crystal Reports XML file

## Usage
- [Basic Parsing](https://crxml.emiliano-go.com/usage/basic/): Parse XML into flat records with field mapping
- [Pipeline API](https://crxml.emiliano-go.com/usage/pipeline/): Compose parsing stages into reusable pipelines
- [Built-in Stages](https://crxml.emiliano-go.com/usage/stages/): Filter, transform, validate, aggregate stages
- [Custom Stages](https://crxml.emiliano-go.com/usage/custom-stages/): Write your own parsing stages
- [Parallel Execution](https://crxml.emiliano-go.com/usage/parallel/): Parse multiple files concurrently
- [Sinks](https://crxml.emiliano-go.com/usage/sinks/): Output to pandas, JSON, CSV, Excel, parquet
- [Branching](https://crxml.emiliano-go.com/usage/branching/): Route records through different pipelines by content

## Architecture
- [Architecture](https://crxml.emiliano-go.com/architecture/): How crxml is structured: Python API, Rust core, streaming engine
- [Performance](https://crxml.emiliano-go.com/performance/): Benchmarks and optimization strategies
- [Rust Core](https://crxml.emiliano-go.com/rust-core/): The PyO3 Rust extension that accelerates XML parsing

## Integrations
- [FastAPI](https://crxml.emiliano-go.com/fastapi/): Serve parsed Crystal Reports data via FastAPI endpoints
- [Django](https://crxml.emiliano-go.com/django/): Integrate crxml with Django management commands
- [Flask](https://crxml.emiliano-go.com/flask/): Use crxml in Flask routes and background tasks

## Reference
- [API Reference](https://crxml.emiliano-go.com/api/): Complete API reference
- [Changelog](https://crxml.emiliano-go.com/changelog/): Release history and version notes

For the full documentation in a single file, see [llms-full.txt](https://crxml.emiliano-go.com/llms-full.txt).