Class StyleResolver
- java.lang.Object
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- org.jline.utils.StyleResolver
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public class StyleResolver extends java.lang.Object
Resolves named styles and style expressions into AttributedStyle objects.The StyleResolver class provides functionality for resolving style specifications into AttributedStyle objects. It supports a rich expression language for defining styles, including named colors, RGB values, and various text attributes.
Style specifications can include:
- Named colors (e.g., "red", "blue", "bright-green")
- RGB color values (e.g., "#ff0000", "rgb:ff/00/00")
- Text attributes (e.g., "bold", "underline", "italic")
- Compound styles with foreground and background (e.g., "red,bold,bg:blue")
- References to styles defined elsewhere (e.g., "${named.style}")
This class is used throughout JLine for resolving style specifications in configuration files, command-line options, and programmatic style definitions. It provides a consistent way to define and apply styles across different components.
The resolver can be configured with a source function that looks up named styles, allowing for hierarchical style definitions and style inheritance.
- Since:
- 3.6
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Constructor Summary
Constructors Constructor Description StyleResolver(java.util.function.Function<java.lang.String,java.lang.String> source)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description AttributedStyle
resolve(java.lang.String spec)
Resolve the given style specification.AttributedStyle
resolve(java.lang.String spec, java.lang.String defaultSpec)
Resolve the given style specification.
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Method Detail
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resolve
public AttributedStyle resolve(java.lang.String spec)
Resolve the given style specification.If for some reason the specification is invalid, then
AttributedStyle.DEFAULT
will be used.- Parameters:
spec
- the specification- Returns:
- the style
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resolve
public AttributedStyle resolve(java.lang.String spec, java.lang.String defaultSpec)
Resolve the given style specification.If this resolves to
AttributedStyle.DEFAULT
then given default specification is used if non-null.- Parameters:
spec
- the specificationdefaultSpec
- the default specifiaction- Returns:
- the style
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