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Als/Path

Path Component.

Documentations

Properties

• $delimiter
• $separator
• $cwd

Methods

• @basename
• @dirname
• @extname
• @format
• @isAbsolute
• @join
• @normalize
• @parse
• @relative
• @resolve

$PROPERTY: delimiter

Provides the path delimiter.

Example

$PROPERTY: separator

Provides the path segment separator.

Example

$PROPERTY: cwd

Contains the absolute path of the 'DOCUMENT_ROOT'.

Example

@METHOD: basename

The ^Als/Path:basename[] methods returns the last portion of a path, similar to the Unix basename command.

Syntax

^Als/Path:basename[path[;ext]]

Params

• $path <string>
• $ext <string> An optional file extension.

Example

@METHOD: dirname

The ^Als/Path:dirname[] method returns the directory name of a path, similar to the Unix dirname command.

Syntax

^Als/Path:dirname[path]

Params

• $path <string>

Example

@METHOD: extname

The ^Als/Path:extname[] method returns the extension of the path, from the last occurance of the . (period) character to end of string in the last portion of the path. If there is no . in the last portion of the path, or if the first character of the basename of path (see ^Als/Path:basename[]) is ., then an empty string is returned.

Syntax

^Als/Path:extname[path]

Params

• $path <string>

Example

@METHOD: format

The ^Als/Path:format[] method returns a path string from an <hash>. This is the opposite of ^Als/Path:parse[].

Syntax

^Als/Path:format[hPath]

Params

• $hPath <hash>
  • $.dir <string>
  • $.root <string>
  • $.base <string>
  • $.name <string>
  • $.ext <string>

The following process is used when constructing the path string:

• $result is set to an empty string.
• If $.dir[] is specified, $.dir[] is appended to $result followed by the value of $Als/Path:separator;
• Otherwise, if $.root[] is specified, $.root[] is appended to $result.
• If $.base[] is specified, $.base[] is appended to $result;
• Otherwise:
  • If $.name[] is specified, $.name[] is appended to $result
  • If $.ext[] is specified, $.ext[] is appended to $result.
• Return $result

Example

@METHOD: isAbsolute

The ^Als/Path:isAbsolute[] method determines if path is an absolute path.

If the given path is a zero-length string, false will be returned.

Syntax

^Als/Path:isAbsolute[path]

Params

• path <string>

Example

@METHOD: join

The ^Als/Path:join[] method join all given path segments together using the @normalizes the resulting path.

Zero-length path segments are ignored. If the joined path string is a zero-length string then '.' will be returned, representing the current working directory.

Syntax

^Als/Path:join[path1;path2[;...]]

Params

• path[, ...] <string> A sequence of path segments.

Example

@METHOD: normalize

The ^Als/Path:normalize[] method normalizes the given path, resolving '..' and '.' segments.

When multiple, sequential path segment separation characters are found, they are replaced by a single instance of the path segment separator. Trailing separators are preserved.

If the path is a zero-length string, '.' is returned, representing the current working directory.

Syntax

^Als/Path:normalize[path]

Params

• path <string>

Example

@METHOD: parse

The ^Als/Path:parse[] method returns an <hash> whose properties represent significant elements of the path.

The returned <hash> will have the following properties:

• $.root <string>
• $.dir <string>
• $.base <string>
• $.ext <string>
• $.name <string>

Syntax

^Als/Path:parse[path]

Params

• path <string>

Example

@METHOD: relative

The ^Als/Path:relative[] method returns the relative path from from to to. If from and to each resolve to the same path (after calling ^Als/Path:resolve[] on each), a zero-length string is returned.

If a zero-length string is passed as from or to, the current working directory will be used instead of the zero-length strings.

Syntax

^Als/Path:relative[from;to]

Params

• from <string>
• to <string>

Example

@METHOD: resolve

The ^Als/Path:resolve[] method resolves a sequence of paths or path segments into an absolute path.

The given sequence of paths is processed from right to left, with each subsequent path prepended until an absolute path is constructed. For instance, given the sequence of path segments: /foo, /bar, baz, calling ^Als/Path:resolve[/foo;/bar;baz] would return /bar/baz.

If after processing all given path segments an absolute path has not yet been generated, the current working directory is used.

The resulting path is normalized and trailing slashes are removed unless the path is resolved to the root directory.

Zero-length path segments are ignored.

If no path segments are passed, ^Als/Path:resolve[] will return the absolute path of the current working directory.

Syntax

^Als/Path:resolve[[path[; ...]]

Params

• path[, ...] <string> A sequence of paths or path segments

Example

References

• Questions to Leonid Knyazev [email protected]
• Bug reports and Feature requests to Issues.