webengine/osswebengine/WebCore/platform/UnicodeRange.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/UnicodeRange.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2007 Apple Computer, Inc.
+ *
+ * Portions are Copyright (C) 1998 Netscape Communications Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Alternatively, the contents of this file may be used under the terms
+ * of either the Mozilla Public License Version 1.1, found at
+ * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
+ * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
+ * (the "GPL"), in which case the provisions of the MPL or the GPL are
+ * applicable instead of those above.  If you wish to allow use of your
+ * version of this file only under the terms of one of those two
+ * licenses (the MPL or the GPL) and not to allow others to use your
+ * version of this file under the LGPL, indicate your decision by
+ * deletingthe provisions above and replace them with the notice and
+ * other provisions required by the MPL or the GPL, as the case may be.
+ * If you do not delete the provisions above, a recipient may use your
+ * version of this file under any of the LGPL, the MPL or the GPL.
+ */
+
+#ifndef UnicodeRange_H
+#define UnicodeRange_H
+
+typedef int32_t UChar32;
+
+namespace WebCore {
+
+// The following constants define unicode subranges
+// values below cRangeNum must be continuous so that we can map to 
+// a lang group directly.
+// All ranges we care about should fit within 32 bits.
+
+// Frequently used range definitions
+const unsigned char   cRangeCyrillic =    0;
+const unsigned char   cRangeGreek    =    1;
+const unsigned char   cRangeTurkish  =    2;
+const unsigned char   cRangeHebrew   =    3;
+const unsigned char   cRangeArabic   =    4;
+const unsigned char   cRangeBaltic   =    5;
+const unsigned char   cRangeThai     =    6;
+const unsigned char   cRangeKorean   =    7;
+const unsigned char   cRangeJapanese =    8;
+const unsigned char   cRangeSChinese =    9;
+const unsigned char   cRangeTChinese =   10;
+const unsigned char   cRangeDevanagari = 11;
+const unsigned char   cRangeTamil    =   12;
+const unsigned char   cRangeArmenian =   13;
+const unsigned char   cRangeBengali  =   14;
+const unsigned char   cRangeCanadian =   15;
+const unsigned char   cRangeEthiopic =   16;
+const unsigned char   cRangeGeorgian =   17;
+const unsigned char   cRangeGujarati =   18;
+const unsigned char   cRangeGurmukhi =   19;
+const unsigned char   cRangeKhmer    =   20;
+const unsigned char   cRangeMalayalam =  21;
+
+const unsigned char   cRangeSpecificItemNum = 22;
+
+//range/rangeSet grow to this place 22-29
+
+const unsigned char   cRangeSetStart  =  30;    // range set definition starts from here
+const unsigned char   cRangeSetLatin  =  30;
+const unsigned char   cRangeSetCJK    =  31;
+const unsigned char   cRangeSetEnd    =  31;   // range set definition ends here
+
+// less frequently used range definition
+const unsigned char   cRangeSurrogate            = 32;
+const unsigned char   cRangePrivate              = 33;
+const unsigned char   cRangeMisc                 = 34;
+const unsigned char   cRangeUnassigned           = 35;
+const unsigned char   cRangeSyriac               = 36;
+const unsigned char   cRangeThaana               = 37;
+const unsigned char   cRangeOriya                = 38;
+const unsigned char   cRangeTelugu               = 39;
+const unsigned char   cRangeKannada              = 40;
+const unsigned char   cRangeSinhala              = 41;
+const unsigned char   cRangeLao                  = 42;
+const unsigned char   cRangeTibetan              = 43;
+const unsigned char   cRangeMyanmar              = 44;
+const unsigned char   cRangeCherokee             = 45;
+const unsigned char   cRangeOghamRunic           = 46;
+const unsigned char   cRangeMongolian            = 47;
+const unsigned char   cRangeMathOperators        = 48;
+const unsigned char   cRangeMiscTechnical        = 49;
+const unsigned char   cRangeControlOpticalEnclose = 50;
+const unsigned char   cRangeBoxBlockGeometrics   = 51;
+const unsigned char   cRangeMiscSymbols          = 52;
+const unsigned char   cRangeDingbats             = 53;
+const unsigned char   cRangeBraillePattern       = 54;
+const unsigned char   cRangeYi                   = 55;
+const unsigned char   cRangeCombiningDiacriticalMarks = 56;
+const unsigned char   cRangeSpecials             = 57;
+
+const unsigned char   cRangeTableBase   = 128;    //values over 127 are reserved for internal use only
+const unsigned char   cRangeTertiaryTable  = 145; // leave room for 16 subtable 
+                                            // indices (cRangeTableBase + 1 ..
+                                            // cRangeTableBase + 16)
+
+
+
+unsigned int unicodeRangeForCharacter(UChar32 ch);
+const char* langGroupFromUnicodeRange(unsigned char unicodeRange);
+
+}
+
+#endif // UnicodeRange_H