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<?php
/**
* Text Value
* @package qCal
* @copyright Luke Visinoni (luke.visinoni@gmail.com)
* @author Luke Visinoni (luke.visinoni@gmail.com)
* @license GNU Lesser General Public License
*
* Value Name: TEXT
*
* Purpose This value type is used to identify values that contain human
* readable text.
*
* Formal Definition: The character sets supported by this revision of
* iCalendar are UTF-8 and US ASCII thereof. The applicability to other
* character sets is for future work. The value type is defined by the
* following notation.
*
* text = *(TSAFE-CHAR / ":" / DQUOTE / ESCAPED-CHAR)
* ; Folded according to description above
*
* ESCAPED-CHAR = "\\" / "\;" / "\," / "\N" / "\n")
* ; \\ encodes \, \N or \n encodes newline
* ; \; encodes ;, \, encodes ,
*
* TSAFE-CHAR = %x20-21 / %x23-2B / %x2D-39 / %x3C-5B
* %x5D-7E / NON-US-ASCII
* ; Any character except CTLs not needed by the current
* ; character set, DQUOTE, ";", ":", "\", ","
*
* Note: Certain other character sets may require modification of the
* above definitions, but this is beyond the scope of this document.
*
* Description: If the property permits, multiple "text" values are
* specified by a COMMA character (US-ASCII decimal 44) separated list
* of values.
*
* The language in which the text is represented can be controlled by
* the "LANGUAGE" property parameter.
*
* An intentional formatted text line break MUST only be included in a
* "TEXT" property value by representing the line break with the
* character sequence of BACKSLASH (US-ASCII decimal 92), followed by a
* LATIN SMALL LETTER N (US-ASCII decimal 110) or a LATIN CAPITAL LETTER
* N (US-ASCII decimal 78), that is "\n" or "\N".
*
* The "TEXT" property values may also contain special characters that
* are used to signify delimiters, such as a COMMA character for lists
* of values or a SEMICOLON character for structured values. In order to
* support the inclusion of these special characters in "TEXT" property
* values, they MUST be escaped with a BACKSLASH character. A BACKSLASH
* character (US-ASCII decimal 92) in a "TEXT" property value MUST be
* escaped with another BACKSLASH character. A COMMA character in a
* "TEXT" property value MUST be escaped with a BACKSLASH character
* (US-ASCII decimal 92). A SEMICOLON character in a "TEXT" property
* value MUST be escaped with a BACKSLASH character (US-ASCII decimal
* 92). However, a COLON character in a "TEXT" property value SHALL NOT
* be escaped with a BACKSLASH character.Example: A multiple line value
* of:
*
* Project XYZ Final Review
* Conference Room - 3B
* Come Prepared.
*
* would be represented as:
*
* Project XYZ Final Review\nConference Room - 3B\nCome Prepared.
*/
class qCal_Value_Text extends qCal_Value {
/**
* @todo: implement this
*/
protected function doCast($value) {
return $value;
}
}