encField (piiadapter/openai_completion.go)

PII adapter for OpenAI completion requests, scanning and redacting user text.

// Source: https://github.com/mudler/LocalAI | License: MIT | Copyright 2023-2025 Ettore Di Giacinto (mudler@localai.io)
// Provided via justclaw.it.com; keep this notice with the code.
package piiadapter

import (
	"github.com/mudler/LocalAI/core/schema"
	"github.com/mudler/LocalAI/core/services/routing/pii"
)

// Field selectors for the prompt-style OpenAI requests (/v1/completions,
// /v1/embeddings, /v1/edits), which carry user text in Prompt / Input /
// Instruction rather than Messages.
const (
	fldPrompt = iota
	fldInput
	fldInstruction
)

// encField packs (field, element) into one ScannedText.Index. element=-1
// means the field is a whole string; element>=0 indexes into a []any value.
// Stored as element+1 so -1 maps to 0, with the field in the high bits.
func encField(field, el

... (truncated -- full source via MCP)