GoFiler Legato Script Reference   Legato v 1.4j Application v 5.22b

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Chapter Five — General Functions (continued)

TrailStringAfter Function

Overview

The TrailStringAfter function will add an ellipse style trail (‘...’) after truncating the target string if it exceeds the specified size.

Syntax/Parameters

Syntax

string = TrailStringAfter ( string source, int size );

Parameters

source

A string.

size

An int specifying the size of the string before the trail. If the string exceeds the size less than 3, the source will be trailed off. The value must be > 4 and less than 1MB. Under circumstances where the string may be larger that 1MB, use the GetStringSegment function to pre-trim the string.

Return Value

Returns a string as the source string or a trailed off version of the source string.

Remarks

The TrailStringAfter function is useful for displaying a string in a limited space without roughly truncating but rather adding a “trail off” indicator. If the function does not alter the string, the value retrieved from the GetLastError function will be ERROR_SOFT. The last error can also be ERROR_RANGE if the size parameter does not conform to the above specification.

There are multiple methods of “trailing off” strings. The following illustrates examples:

        string             s1, s2;

        s1 = "This is the story of my cats, purry, furry and cute";
        AddMessage("Original String         :%s:", s1);

        s2 = TrailStringAfter(s1, 20);
        AddMessage("TrailStringAfter        :%s:", s2);

        s2 = TrailStringAfterAlways(s1, 20);
        AddMessage("TrailStringAfterAlways  :%s:", s2);

        s2 = TrailStringAfterAlways(s1, 1000);
        AddMessage("TrailStringAfterAlways  :%s:", s2);

        s2 = TrailStringBefore(s1, 25);
        AddMessage("TrailStringBefore       :%s:", s2);

Results in the following placed in the log:

        Original String         :This is the story of my cats, purry, furry and cute:
        TrailStringAfter        :This is the stor...:
        TrailStringAfterAlways  :This is the stor...:
        TrailStringAfterAlways  :This is the story of my cats, purry, furry and c...:
        TrailStringBefore       :...purry, furry and cute:
        

Related Functions

GetStringSegment — Extracts a section or segment of a string.

TrailStringAfterAlways — Trails off a string with an ellipse (‘...’ characters) at specified size or always.

TrailStringBefore — Truncates a string and adds ellipse (‘...’ characters) at the start of the string if the length exceeds the specified size.

Platform Support

Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL

Legato IDE, Legato Basic

 

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GoFiler Legato Script Reference — Generated on 04/22/2024

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