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## com.nokia.carbide.cdt.builder
Class ImageMakefileViewPathHelper

    java.lang.Object
      com.nokia.carbide.cdt.builder.ImageMakefileViewPathHelper

    public class ImageMakefileViewPathHelper

extends java.lang.Object

Helper to resolve paths used in image makefiles.

mifconv has some implicit search paths, as evidenced by this standard comment:

            # NOTE 2: Usually, source paths should not be included in the bitmap
            # definitions. MifConv searches for the icons in all icon directories in a
            # predefined order, which is currently \s60\icons, \s60\bitmaps2.
            # The directory \s60\icons is included in the search only if the feature flag
            # __SCALABLE_ICONS is defined.

(We ignore the distinction about __SCALABLE_ICONS and always search this directory.)

This helper class is needed because the to-be-searched files do not have source paths in the makefile, but are resolved in the view into project-relative paths anyway. We need to un-projectize such paths to see if their files are in the standard directories or not and do the reverse when converting back to the view.

Constructor Summary
`ImageMakefileViewPathHelper(IImageMakefileData data, ISymbianBuildContext[] configurations)` Construct an instance using the given image makefile data, to provide the project root, and the build configurations of interest.
`ImageMakefileViewPathHelper(IImageMakefileView view, ISymbianBuildContext[] configurations)` Construct an instance using the given image makefile view, to provide the project root, and the build configurations of interest.

Method Summary
`IPath` | `findCandidateImagePath(IPath path)` Look up a candidate for the image referenced by the path from an IImageSource.
`IPath` | `findCandidateMaskPath(IImageSource imageSource)` Look up a candidate for the mask referenced by the given IImageSource.
`IPath` | `simplifyStandardImagePath(IPath path)` Convert a path that may reference an EPOCROOT-relative image file into a view path.

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

Constructor Detail

### ImageMakefileViewPathHelper

    public ImageMakefileViewPathHelper(IImageMakefileView view,
                                       ISymbianBuildContext[] configurations)

  Construct an instance using the given image makefile view, to provide the project root, and the build configurations of interest.

  Parameters:
    `view` - the non-null image makefile view (does not take ownership)
    `configurations` - the build configurations (may not be null)

### ImageMakefileViewPathHelper

    public ImageMakefileViewPathHelper(IImageMakefileData data,
                                       ISymbianBuildContext[] configurations)

  Construct an instance using the given image makefile data, to provide the project root, and the build configurations of interest.

  Parameters:
    `view` - the non-null image makefile view (does not take ownership)
    `configurations` - the build configurations (may not be null)

Method Detail

### findCandidateImagePath

    public IPath findCandidateImagePath(IPath path)

  Look up a candidate for the image referenced by the path from an IImageSource.

  This first tries to resolve a relative path to the expected project-relative location, then searches the standard locations. If nothing is found, the non-existing project-relative file is returned. For absolute paths, the path itself (existing or not) is returned.

  Parameters:
    `path` - relative or absolute path from a IImageSource
  Returns:
    path for an existing or candidate file, either relative for project-relative files or absolute for filesystem path

### findCandidateMaskPath

    public IPath findCandidateMaskPath(IImageSource imageSource)

  Look up a candidate for the mask referenced by the given IImageSource. The source's maskpath may be non-null or null. If null, we try to find anything that conceivably goes with the image. If non-null, we look for this file, possibly changing the extension. (Blame this on mifconv.)

  The file search behavior otherwise follows `findCandidateImagePath(IPath)`.

  Parameters:
    `path` - relative or absolute path from a IImageSource
  Returns:
    path for an existing or candidate file, either relative for project-relative files or absolute for filesystem path

### simplifyStandardImagePath

    public IPath simplifyStandardImagePath(IPath path)

  Convert a path that may reference an EPOCROOT-relative image file into a view path. Finally, convert the path to one suitable for the view's IImageSource. This is the inverse of #findCandidateImagePath().

  Parameters:
    `path` - either a relative path, taken as project-relative, or a full path, which is a filesystem full path
  Returns:
    if path is absolute and resolves to standard image lookup directory, a file relative to the Makefile; else, the IImageSource-appropriate path.

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