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BitLogger/docs/api/style-markup-mode.md
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2026-06-13 21:00:34 +08:00

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---
name: style-markup-mode
group: api
category: formatter
update-time: 20260613
description: Public style-markup enum alias used by text formatter message, target, and field rendering.
key-word:
- style
- formatter
- alias
- public
---
## Style-markup-mode
`StyleMarkupMode` is the public enum that controls whether inline style tags should be parsed by a text formatter. It is a direct alias to the formatter enum used for message text, target text, and field-value rendering scopes.
### Interface
```moonbit
pub type StyleMarkupMode = @utils.StyleMarkupMode
```
#### output
- `StyleMarkupMode` - Public formatter markup-policy enum with the variants `Disabled`, `Builtin`, and `Full`.
### Explanation
Detailed rules explaining key parameters and behaviors
- This is a type alias, not a wrapper or separate parser surface.
- `StyleMarkupMode::Disabled` treats inline markup as plain text.
- `StyleMarkupMode::Builtin` limits tag resolution to the built-in tag set.
- `StyleMarkupMode::Full` allows local style tags, global style tags, and built-in tags to participate in resolution.
- The same enum is used by `style_markup`, `target_style_markup`, and `fields_style_markup` in formatter APIs.
### How to Use
Here are some specific examples provided.
#### When Need To Disable Inline Tag Parsing Entirely
When message text should remain literal even if it contains style-like tags:
```moonbit
let formatter = text_formatter(style_markup=StyleMarkupMode::Disabled)
```
In this example, strings such as `<accent>hello</>` are kept as plain text.
#### When Need Only Built-in Tag Support
When formatters should allow the built-in tag vocabulary without opening custom registry behavior:
```moonbit
let formatter = text_formatter(style_markup=StyleMarkupMode::Builtin)
```
In this example, built-in tags such as `<warning>...</>` can be resolved while custom registry tags are not the source of truth.
### Error Case
e.g.:
- `StyleMarkupMode` itself does not have a runtime failure mode.
- Unknown or invalid tags do not raise an error; current behavior falls back to plain text handling.
### Notes
1. Use `style_markup_mode_label(...)` when you need a stable string form for logging or assertions.
2. Message, target, and field rendering each have their own markup scope, so one formatter can mix different markup policies deliberately.