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CPANPLUS::Internals::Source(3) User Contributed Perl Documentation CPANPLUS::Internals::Source(3)

NAME
       CPANPLUS::Internals::Source - internals for updating source files

SYNOPSIS
	   ### lazy load author/module trees ###

	   $cb->_author_tree;
	   $cb->_module_tree;

DESCRIPTION
       CPANPLUS::Internals::Source controls the updating of source files and the parsing of them
       into usable module/author trees to be used by "CPANPLUS".

       Functions exist to check if source files are still "good to use" as well as update them,
       and then parse them.

       The flow looks like this:

	   $cb->_author_tree || $cb->_module_tree
	       $cb->_check_trees
		   $cb->__check_uptodate
		       $cb->_update_source
		   $cb->__update_custom_module_sources
		       $cb->__update_custom_module_source
	       $cb->_build_trees
		   ### engine methods
		   {   $cb->_init_trees;
		       $cb->_standard_trees_completed
		       $cb->_custom_trees_completed
		   }
		   $cb->__create_author_tree
		       ### engine methods
		       { $cb->_add_author_object }
		   $cb->__create_module_tree
		       $cb->__create_dslip_tree
		       ### engine methods
		       { $cb->_add_module_object }
		   $cb->__create_custom_module_entries

	   $cb->_dslip_defs

METHODS
   $cb->_build_trees( uptodate => BOOL, [use_stored => BOOL, path => $path, verbose => BOOL] )
       This method rebuilds the author- and module-trees from source.

       It takes the following arguments:

       uptodate
	   Indicates whether any on disk caches are still ok to use.

       path
	   The absolute path to the directory holding the source files.

       verbose
	   A boolean flag indicating whether or not to be verbose.

       use_stored
	   A boolean flag indicating whether or not it is ok to use previously stored trees.
	   Defaults to true.

       Returns a boolean indicating success.

   $cb->_check_trees( [update_source => BOOL, path => PATH, verbose => BOOL] )
       Retrieve source files and return a boolean indicating whether or not the source files are
       up to date.

       Takes several arguments:

       update_source
	   A flag to force re-fetching of the source files, even if they are still up to date.

       path
	   The absolute path to the directory holding the source files.

       verbose
	   A boolean flag indicating whether or not to be verbose.

       Will get information from the config file by default.

   $cb->__check_uptodate( file => $file, name => $name, [update_source => BOOL, verbose => BOOL]
       )
       "__check_uptodate" checks if a given source file is still up-to-date and if not, or when
       "update_source" is true, will re-fetch the source file.

       Takes the following arguments:

       file
	   The source file to check.

       name
	   The internal shortcut name for the source file (used for config lookups).

       update_source
	   Flag to force updating of sourcefiles regardless.

       verbose
	   Boolean to indicate whether to be verbose or not.

       Returns a boolean value indicating whether the current files are up to date or not.

   $cb->_update_source( name => $name, [path => $path, verbose => BOOL] )
       This method does the actual fetching of source files.

       It takes the following arguments:

       name
	   The internal shortcut name for the source file (used for config lookups).

       path
	   The full path where to write the files.

       verbose
	   Boolean to indicate whether to be verbose or not.

       Returns a boolean to indicate success.

   $cb->__create_author_tree([path => $path, uptodate => BOOL, verbose => BOOL])
       This method opens a source files and parses its contents into a searchable author-tree or
       restores a file-cached version of a previous parse, if the sources are uptodate and the
       file-cache exists.

       It takes the following arguments:

       uptodate
	   A flag indicating whether the file-cache is uptodate or not.

       path
	   The absolute path to the directory holding the source files.

       verbose
	   A boolean flag indicating whether or not to be verbose.

       Will get information from the config file by default.

       Returns a tree on success, false on failure.

   $cb->_create_mod_tree([path => $path, uptodate => BOOL, verbose => BOOL])
       This method opens a source files and parses its contents into a searchable module-tree or
       restores a file-cached version of a previous parse, if the sources are uptodate and the
       file-cache exists.

       It takes the following arguments:

       uptodate
	   A flag indicating whether the file-cache is up-to-date or not.

       path
	   The absolute path to the directory holding the source files.

       verbose
	   A boolean flag indicating whether or not to be verbose.

       Will get information from the config file by default.

       Returns a tree on success, false on failure.

   $cb->__create_dslip_tree([path => $path, uptodate => BOOL, verbose => BOOL])
       This method opens a source files and parses its contents into a searchable dslip-tree or
       restores a file-cached version of a previous parse, if the sources are uptodate and the
       file-cache exists.

       It takes the following arguments:

       uptodate
	   A flag indicating whether the file-cache is uptodate or not.

       path
	   The absolute path to the directory holding the source files.

       verbose
	   A boolean flag indicating whether or not to be verbose.

       Will get information from the config file by default.

       Returns a tree on success, false on failure.

   $cb->_dslip_defs ()
       This function returns the definition structure (ARRAYREF) of the dslip tree.

   $file = $cb->_add_custom_module_source( uri => URI, [verbose => BOOL] );
       Adds a custom source index and updates it based on the provided URI.

       Returns the full path to the index file on success or false on failure.

   $index = $cb->__custom_module_source_index_file( uri => $uri );
       Returns the full path to the encoded index file for $uri, as used by all "custom module
       source" routines.

   $file = $cb->_remove_custom_module_source( uri => URI, [verbose => BOOL] );
       Removes a custom index file based on the URI provided.

       Returns the full path to the index file on success or false on failure.

   %files = $cb->__list_custom_module_sources
       This method scans the 'custom-sources' directory in your base directory for additional
       sources to include in your module tree.

       Returns a list of key value pairs as follows:

	 /full/path/to/source/file%3Fencoded => http://decoded/mirror/path

   $bool = $cb->__update_custom_module_sources( [verbose => BOOL] );
       Attempts to update all the index files to your custom module sources.

       If the index is missing, and it's a "file://" uri, it will generate a new local index for
       you.

       Return true on success, false on failure.

   $ok = $cb->__update_custom_module_source
       Attempts to update all the index files to your custom module sources.

       If the index is missing, and it's a "file://" uri, it will generate a new local index for
       you.

       Return true on success, false on failure.

   $bool = $cb->__write_custom_module_index( path => /path/to/packages, [to =>
       /path/to/index/file, verbose => BOOL] )
       Scans the "path" you provided for packages and writes an index with all the available
       packages to "$path/packages.txt". If you'd like the index to be written to a different
       file, provide the "to" argument.

       Returns true on success and false on failure.

   $bool = $cb->__create_custom_module_entries( [verbose => BOOL] )
       Creates entries in the module tree based upon the files as returned by
       "__list_custom_module_sources".

       Returns true on success, false on failure.

perl v5.16.3				    2014-06-10		   CPANPLUS::Internals::Source(3)
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