ComboStrap UI - Pipeline

A pipeline is a element that contains a list of function (called a pipeline) that transforms successively a string.

<pipeline> value | function | function | ... </pipeline>

where:

• value is the string to transform or a template variable
• function is one of:
  • replace - replace a string
  • rconcat - add a string at the right side
  • head - return the first characters
  • cut - cut the string in parts and return one
  • trim - delete any space before and after

replace is a function that will search a string and replace it.

Syntax:

replace($search, $replace)

For instance:

<pipeline> "Prefix - Title" | replace("Prefix - ","") </pipeline>

Output:

Title

rconcat is a function that will concatenate a string to the right

Syntax:

rconcat($string)

For instance:

<pipeline> "Title" | rconcat("...") </pipeline>

Output:

Title...

head is a function that will take the fist N characters of a string

Syntax:

head($length)

For instance:

<pipeline> "Long Title that we want to cut" | head(10) | rconcat("...") </pipeline>

Output:

Long Title...

cut is a function that will split the string in parts and returned the asked part concatenated. If the separator is not found, the original string is returned

Syntax:

cut("separator",partIndex)

where:

• separator can be a simple character or a regular expression.
• partIndex is the part number (starts at 1 for the first one)

Example:

• Basic

<pipeline> "Hello - World" | cut("-",2) </pipeline>

Output:

World

• if the separator is not found, the function has not effect on the string given.

<pipeline> "Hello World" | cut("-",2) </pipeline>

Output:

Hello World

trim is a function that strip whitespace from the beginning and end of a string

Syntax:

trim()

For instance:

<pipeline> "Hello World   " | trim() </pipeline>

Output:

Hello World