The <collations> element
The collations element in the configuration file defines a number of collations that can be
preloaded into the configuration. It contains zero or more child collation elements as detailed below.
Each collation element may have the following attributes:
|
Attribute |
Values |
Effect |
|
uri |
The collation URI (mandatory) |
An absolute URI used to identify the collation in queries and stylesheets |
|
class |
Java class implementing Collator, StringCollator, or Comparator |
Class used to perform string comparisons |
|
lang |
Language code, eg. en-US |
Language supported by the collation |
|
rules |
Rules in Java RuleBasedCollator format |
Detailed rules for ordering of characters |
|
strength |
primary|secondary|tertiary|identical |
The strength of the collation. A stronger collation takes more details of the character into account, e.g. accents and case |
|
ignore-case |
yes|no |
Yes indicates that upper-case and lower-case are equivalent |
|
ignore-modifiers |
yes|no |
Yes indicates that accents and other modifiers are ignored |
|
ignore-symbols |
yes|no |
Yes indicates that punctuation symbols are ignored (.NET only) |
|
ignore-width |
yes|mp |
Yes indicates that width variations between characters are ignored |
|
decomposition |
none|standard|full |
Determines whether Unicode normalization should be applied to strings before comparison (Java platform only) |
|
case-order |
upper-first|lower-first|#default |
Indicates whether upper-case characters should precede or follow their lower-case equivalents |
|
alphanumeric |
yes|no |
Yes indicates that a sequence of digits within a string is read as a number, for example "test8.xml" precedes "test10.xml" |