Dave Rolsky > HTML-Mason-1.56 > HTML::Mason::Tools

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Module Version: 1.56   Source  

NAME ^

HTML::Mason::Tools - Function library used internally in Mason

DESCRIPTION ^

This module contains exportable functions that are intended to be used by other Mason modules.

The documentation here is primarily intended to be used by Mason core developers.

Others who choose to use these functions do so at their own risk, as they may change from release to release. You have been warned.

FUNCTIONS ^

read_file

This function takes a file name and an optional argument indicating whether or not to open the final in binary mode. It will return the entire contents of the file as a scalar.

paths_eq

Given to paths, this function indicates whether they represent the same location on the filesystem. It does not account for symlinks.

compress_path

This turns a component path into a filesystem-friendly path by escaping potentially meaningful characters.

absolute_comp_path

Given a component path and a directory path, this function returns the absolute component path, prepending the directory path if needed.

mason_canonpath

This function cleans up a component path and returns its canonical version. It is largely the same as File::Spec::Unix::canonpath, with a few additional cleanups.

pkg_installed

Given a module name, this function returns true or false to indicate whether or not a corresponding .pm file exists.

pkg_loaded

Given a module name, this function returns true or false to indicate whether or not the module has been loaded into memory.

load_pkg

Given a module name, this function attempts to load it. It takes an additional boolean parameter indicating whether or not to throw an exception if the module cannot be found. By default, if the module cannot be found, this function simply returns false.

All errors generate exceptions no matter what.

If the module is loaded successfully, this function returns true.

taint_is_on

Returns a boolean value indicating whether taint mode is on or not.

coerce_to_array

Given a scalar, which may be a reference, this function attempts to return an array. It throws an HTML::Mason::Exception::Params exception if this can't be done.

This function is called from the generated component code as part of a component's argument handling.

coerce_to_hash

Given a scalar, which may be a reference, this function attempts to return a hash. It throws an HTML::Mason::Exception::Params exception if this can't be done.

This function is called from the generated component code as part of a component's argument handling.

checksum

Computes a simple checksum of a string. Used for Compiler::object_id.

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