import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

intl/lwbrk/nsISemanticUnitScanner.idl

@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+%{C++
+// {ADF42751-1CEF-4ad2-AA8E-BCB849D8D31F}
+#define NS_SEMANTICUNITSCANNER_CID { 0xadf42751, 0x1cef, 0x4ad2, { 0xaa, 0x8e, 0xbc, 0xb8, 0x49, 0xd8, 0xd3, 0x1f}}
+#define NS_SEMANTICUNITSCANNER_CONTRACTID "@mozilla.org/intl/semanticunitscanner;1"
+%}
+
+/**
+ * Provides a language independent way to break UNICODE
+ * text into meaningful semantic units (e.g. words).
+ */
+[scriptable, uuid(9f620be4-e535-11d6-b254-00039310a47a)]
+interface nsISemanticUnitScanner : nsISupports {
+    /**
+     * start()
+     *
+     * Starts up the semantic unit scanner with an optional
+     * character set, which acts as a hint to optimize the heuristics
+     * used to determine the language(s) of the processed text.
+     *
+     * @param characterSet the character set the text was originally
+     *                     encoded in (can be NULL)
+     */
+    void start(in string characterSet);
+
+    /**
+     * next()
+     * Get the begin / end offset of the next unit in the current text
+     *
+     * @param text the text to be scanned
+     * @param length the number of characters in the text to be processed
+     * @param pos the current position
+     * @param isLastBuffer, the buffer is the last one
+     * @param begin the begin offset of the next unit 
+     * @param begin the end offset of the next unit 
+     * @return has more unit in the current text
+     */
+    boolean next(in wstring text, in long length, in long pos, 
+              in boolean isLastBuffer,
+              out long begin, out long end );
+
+};