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Unified Diff: src/i18n.js

Issue 60013010: Landing https://codereview.chromium.org/40133004 for mnita@google.com. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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Index: src/i18n.js
diff --git a/src/i18n.js b/src/i18n.js
index a64c7e67844b01ebc134956e95c2cba87cd5a288..f23b222981ee7d743ac5c0def23e58acad4ce09e 100644
--- a/src/i18n.js
+++ b/src/i18n.js
@@ -45,6 +45,11 @@ var AVAILABLE_SERVICES = ['collator',
'dateformat',
'breakiterator'];
+var NORMALIZATION_FORMS = ['NFC',
+ 'NFD',
+ 'NFKC',
+ 'NFKD'];
+
/**
* Caches available locales for each service.
*/
@@ -1988,6 +1993,40 @@ $Object.defineProperty($String.prototype, 'localeCompare', {
%FunctionRemovePrototype($String.prototype.localeCompare);
%SetNativeFlag($String.prototype.localeCompare);
+/**
+ * Unicode normalization. This method is called with one argument that
+ * specifies the normalization form.
+ * If none is specified, "NFC" is assumed.
+ * If the form is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw
+ * a RangeError Exception.
+ */
+$Object.defineProperty($String.prototype, 'normalize', {
+ value: function(that) {
+ if (%_IsConstructCall()) {
+ throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
+ }
+
+ if (IS_NULL_OR_UNDEFINED(this)) {
+ throw new $TypeError('Method invoked on undefined or null value.');
+ }
+
+ var form = $String(%_Arguments(0) || 'NFC');
+
+ var normalizationForm = NORMALIZATION_FORMS.indexOf(form);
+ if (normalizationForm !== -1) {
+ return %StringNormalize(this, normalizationForm);
+ }
+ throw new $RangeError('The normalization form should be one of '
+ + NORMALIZATION_FORMS.join(', ') + '.');
+ },
+ writable: true,
+ configurable: true,
+ enumerable: false
+});
+%FunctionSetName($String.prototype.normalize, 'normalize');
+%FunctionRemovePrototype($String.prototype.normalize);
+%SetNativeFlag($String.prototype.normalize);
+
/**
* Formats a Number object (this) using locale and options values.
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