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## org.eclipse.jface.text.formatter
Class ContextBasedFormattingStrategy

    java.lang.Object
      org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy

All Implemented Interfaces:
  IFormattingStrategy, IFormattingStrategyExtension

public abstract class ContextBasedFormattingStrategy
extends Object
implements IFormattingStrategy, IFormattingStrategyExtension

Formatting strategy for context based content formatting. Retrieves the preferences set on the formatting context's `FormattingContextProperties.CONTEXT_PREFERENCES` property and makes them available to subclasses.

Since:
  3.0

Constructor Summary
`ContextBasedFormattingStrategy()`

Method Summary
`void` | `format()` Formats the region with the properties indicated in the formatting context previously supplied by `formatterStarts(IFormattingContext)`.
`String` | `format(String content, boolean start, String indentation, int[] positions)` Formats the given string.
`void` | `formatterStarts(IFormattingContext context)` Informs the strategy about the start of a formatting process in which it will participate.
`void` | `formatterStarts(String indentation)` Informs the strategy about the start of a formatting process in which it will participate.
`void` | `formatterStops()` Informs the strategy that the formatting process in which it has participated has been finished.
`Map` | `getPreferences()` Returns the preferences used for the current formatting step.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ContextBasedFormattingStrategy

    public ContextBasedFormattingStrategy()

Method Detail

### format

    public void format()

  Description copied from interface: `IFormattingStrategyExtension`
  Formats the region with the properties indicated in the formatting context previously supplied by `formatterStarts(IFormattingContext)`.

  Specified by:
    `format` in interface `IFormattingStrategyExtension`

### format

    public String format(String content,
                         boolean start,
                         String indentation,
                         int[] positions)

  Description copied from interface: `IFormattingStrategy`
  Formats the given string. During the formatting process this strategy must update the given character positions according to the changes applied to the given string.

  Specified by:
    `format` in interface `IFormattingStrategy`
  Parameters:
    `content` - the initial string to be formatted
    `start` - indicates whether the beginning of content is a line start in its document
    `indentation` - the indentation string to be used
    `positions` - the character positions to be updated
  Returns:
    the formatted string

### formatterStarts

    public void formatterStarts(IFormattingContext context)

  Description copied from interface: `IFormattingStrategyExtension`
  Informs the strategy about the start of a formatting process in which it will participate.

  Specified by:
    `formatterStarts` in interface `IFormattingStrategyExtension`
  Parameters:
    `context` - Formatting context used in the corresponding formatting process.

### formatterStarts

    public void formatterStarts(String indentation)

  Description copied from interface: `IFormattingStrategy`
  Informs the strategy about the start of a formatting process in which it will participate.

  Specified by:
    `formatterStarts` in interface `IFormattingStrategy`
  Parameters:
    `indentation` - the indent string of the first line at which the overall formatting process starts.

### formatterStops

    public void formatterStops()

  Description copied from interface: `IFormattingStrategy`
  Informs the strategy that the formatting process in which it has participated has been finished.

  Specified by:
    `formatterStops` in interface `IFormattingStrategy`

### getPreferences

    public final Map getPreferences()

  Returns the preferences used for the current formatting step.

  Returns:
    The preferences for the current formatting step

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