November 2019
Beginner to intermediate
674 pages
15h
English
Content preview from Mastering Delphi Programming: A Complete Reference Guide
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Unquoting a string
The following example shows two implementations of some code that unquotes a string a classical implementation and an implementation with a state pattern.
A quoted string starts and ends with a double-quote character ("). Any occurrence of a double-quote character in a string is represented by two occurrences of that character. The following table shows a few examples of strings that have been converted into a quoted form:
| String | Quoted string |
| Delphi | "Delphi" |
| Delphi and patterns | "Delphi and patterns" |
| Delphi "ROCKS!" | "Delphi ""Rocks!""" |
An unquoting algorithm takes the quoted string (for example, "quoted ""quoted""") and converts it into its original form (quoted "quoted"). Its behavior can be represented with ...
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