StringArray Lianja Reference Documentation

StringArray

Current Version: 10.1.2

Class/object for managing and manipulating collections of strings. Contains an ordered collection of strings.

Important: The Chilkat StringTable class is a better choice for a large number of strings.

Object Creation

loObject = createobject("CkStringArray")

Properties

Count
Count As Numeric (read-only)

The number of strings contained within the object's internal array (i.e. ordered collection).

Important: This is an object that contains a collection of strings. Although the class/object name includes the word "Array", it should not be confused with an array in the sense of the primitive array type used in a given programming language.

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Crlf
Crlf As Boolean

If .T., strings are always automatically converted to use CRLF line endings. If .F., strings are automatically converted to use bare LF line endings.

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DebugLogFilePath
DebugLogFilePath As Character

If set to a file path, this property logs the LastErrorText of each Chilkat method or property call to the specified file. This logging helps identify the context and history of Chilkat calls leading up to any crash or hang, aiding in debugging.

Enabling the VerboseLogging property provides more detailed information. This property is mainly used for debugging rare instances where a Chilkat method call causes a hang or crash, which should generally not happen.

Possible causes of hangs include:

  • A timeout property set to 0, indicating an infinite timeout.
  • A hang occurring within an event callback in the application code.
  • An internal bug in the Chilkat code causing the hang.

More Information and Examples
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LastErrorHtml
LastErrorHtml As Character (read-only)

Provides HTML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorText
LastErrorText As Character (read-only)

Provides plain text information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorXml
LastErrorXml As Character (read-only)

Provides XML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastMethodSuccess
LastMethodSuccess As Boolean

Indicates the success or failure of the most recent method call: .T. means success, .F. means failure. This property remains unchanged by property setters or getters. This method is present to address challenges in checking for null or Nothing returns in certain programming languages.

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Length
Length As Numeric (read-only)

The number of strings contained within the internal collection. (Identical to the Count property.)

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Trim
Trim As Boolean

If .T., whitespace, including carriage-returns and linefeeds, are automatically removed from the beginning and end of a string when added to the collection.

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Unique
Unique As Boolean

If .T., then duplicates are not allowed. When an attempt is made to insert a string that already exists, the duplicate insertion is silently suppressed and no error is returned. The default value is .F..

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VerboseLogging
VerboseLogging As Boolean

If set to .T., then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is .F.. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

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Version
Version As Character (read-only)

Version of the component/library, such as "10.1.0"

More Information and Examples
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Methods

Append
Append(str As Character) As Boolean

Appends a string to the end of the internal ordered collection.

Returns .T. for success, .F. for failure.

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AppendSerialized
AppendSerialized(encodedStr As Character) As Boolean

Appends multiple strings to the end of the internal ordered collection. The encodedStr is what is returned from the Serialize method (see below).

Returns .T. for success, .F. for failure.

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Clear
Clear()

Remove all strings from the internal collection.

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Contains
Contains(str As Character) As Boolean

Returns .T. if the string is present in the internal collection. The string comparisons are case sensitive.

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Find
Find(findStr As Character, startIndex As Numeric) As Numeric

Finds the index of the first string equal to findStr. The search begins at startIndex. If the string is not found, -1 is returned. The first string in the array is at index 0.

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FindFirstMatch
FindFirstMatch(matchPattern As Character, startIndex As Numeric) As Numeric

Finds the first string that matches the matchPattern. The search begins at startIndex. If the string is not found, -1 is returned. The first string in the array is at index 0.

The matchPattern may contain zero or more asterisk chars, each of which matches 0 or more of any character.

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GetString
GetString(index As Numeric) As Character

Returns the string at an indexed location within the internal collection. The first string is located at index 0.

Returns .F. on failure

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GetStringLen
GetStringLen(index As Numeric) As Numeric

Returns Nth string's length, in characters. The first string is located at index 0.

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InsertAt
InsertAt(index As Numeric, str As Character)

Inserts a string into the internal collection at a specified index. Using index 0 will insert at the beginning.

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LastString
LastString() As Character

Returns the last string in the internal collection.

Returns .F. on failure

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LoadFromFile
LoadFromFile(path As Character) As Boolean

Loads strings from a file (one per line) into the internal collection. It is assumed the file contains ANSI strings. To load from a file containing non-ANSI strings (such as utf-8), call LoadFromFile2 instead.

Note: This method appends the strings in path to the existing collection of strings contained in this object.

Returns .T. for success, .F. for failure.

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LoadFromFile2
LoadFromFile2(path As Character, charset As Character) As Boolean

Loads strings from a file (one per line) into the internal collection. The charset specifies the character encoding (such as utf-8) of the strings contained in the file.

Note: This method appends the strings in path to the existing collection of strings contained in this object.

Returns .T. for success, .F. for failure.

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LoadFromText
LoadFromText(str As Character)

Loads strings from an in-memory string (one per line) into the internal collection.

Note: This method appends the strings in str to the existing collection of strings contained in this object.

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LoadTaskResult
LoadTaskResult(task As CkTask) As Boolean
Introduced in version 9.5.0.52

Loads the string collection from a completed asynchronous task.

Returns .T. for success, .F. for failure.

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Pop
Pop() As Character

Returns the last string and removes it from the internal collection.

Returns .F. on failure

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Prepend
Prepend(str As Character)

Adds a string to the beginning of the internal collection.

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Remove
Remove(str As Character)

Removes all strings equal to the string argument from the internal collection.

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RemoveAt
RemoveAt(index As Numeric) As Boolean

Removes the string at a particular index.

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ReplaceAt
ReplaceAt(index As Numeric, str As Character)
Introduced in version 9.5.0.52

Replaces the string at a specified index.

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SaveNthToFile
SaveNthToFile(index As Numeric, saveToPath As Character) As Boolean

Saves the Nth string in the collection to a file.

Returns .T. for success, .F. for failure.

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SaveToFile
SaveToFile(path As Character) As Boolean

Saves the collection of strings to a file, one string per line. Strings are saved using the ANSI charset. (Call SaveToFile2 to specify a charset, such as "utf-8")

Returns .T. for success, .F. for failure.

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SaveToFile2
SaveToFile2(saveToPath As Character, charset As Character) As Boolean

Saves the collection of strings to a file, one string per line. Strings are saved using the specified charset.

Returns .T. for success, .F. for failure.

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SaveToText
SaveToText() As Character

Writes the collection of strings to a single string, one per line (separated by CRLF line endings).

Returns .F. on failure

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Serialize
Serialize() As Character

Returns an string which is an encoded representation of all the strings in the collection. The string collection can be re-created by calling the AppendSerialized method.

Returns .F. on failure

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Sort
Sort(ascending As Boolean)

Sorts the strings in the collection in ascending or descending order. To sort in ascending order, set ascending to .T., otherwise set ascending equal to .F..

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SplitAndAppend
SplitAndAppend(str As Character, boundary As Character)

Splits a string at a character or substring boundary and adds each resulting string to the internal collection.

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Subtract
Subtract(stringArrayObj As CkStringArray)

Subtracts the strings contained within stringArrayObj from the caller's internal collection.

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Union
Union(stringArrayObj As CkStringArray)

Performs the union set-operator. The result is that the caller will have a string collection that is the union of itself and stringArrayObj.

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