summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/nsUnicodeRange.h
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/thebes/nsUnicodeRange.h')
-rw-r--r--gfx/thebes/nsUnicodeRange.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/gfx/thebes/nsUnicodeRange.h b/gfx/thebes/nsUnicodeRange.h
new file mode 100644
index 000000000..292a6a9ab
--- /dev/null
+++ b/gfx/thebes/nsUnicodeRange.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef NS_UNICODERANGE_H
+#define NS_UNICODERANGE_H
+
+#include <stdint.h>
+
+// The following constants define unicode subranges
+// values below kRangeNum must be continuous so that we can map to
+// lang group directly.
+// all ranges we care about should be defined under 32, that allows
+// us to store range using bits of a uint32_t
+
+// frequently used range definitions
+const uint8_t kRangeCyrillic = 0;
+const uint8_t kRangeGreek = 1;
+const uint8_t kRangeHebrew = 2;
+const uint8_t kRangeArabic = 3;
+const uint8_t kRangeThai = 4;
+const uint8_t kRangeKorean = 5;
+const uint8_t kRangeJapanese = 6;
+const uint8_t kRangeSChinese = 7;
+const uint8_t kRangeTChinese = 8;
+const uint8_t kRangeDevanagari = 9;
+const uint8_t kRangeTamil = 10;
+const uint8_t kRangeArmenian = 11;
+const uint8_t kRangeBengali = 12;
+const uint8_t kRangeCanadian = 13;
+const uint8_t kRangeEthiopic = 14;
+const uint8_t kRangeGeorgian = 15;
+const uint8_t kRangeGujarati = 16;
+const uint8_t kRangeGurmukhi = 17;
+const uint8_t kRangeKhmer = 18;
+const uint8_t kRangeMalayalam = 19;
+const uint8_t kRangeOriya = 20;
+const uint8_t kRangeTelugu = 21;
+const uint8_t kRangeKannada = 22;
+const uint8_t kRangeSinhala = 23;
+const uint8_t kRangeTibetan = 24;
+
+const uint8_t kRangeSpecificItemNum = 25;
+
+//range/rangeSet grow to this place 25-29
+
+const uint8_t kRangeSetStart = 30; // range set definition starts from here
+const uint8_t kRangeSetLatin = 30;
+const uint8_t kRangeSetCJK = 31;
+const uint8_t kRangeSetEnd = 31; // range set definition ends here, this
+ // and smaller ranges are used as bit
+ // mask, don't increase this value.
+
+// less frequently used range definition
+const uint8_t kRangeSurrogate = 32;
+const uint8_t kRangePrivate = 33;
+const uint8_t kRangeMisc = 34;
+const uint8_t kRangeUnassigned = 35;
+const uint8_t kRangeSyriac = 36;
+const uint8_t kRangeThaana = 37;
+const uint8_t kRangeLao = 38;
+const uint8_t kRangeMyanmar = 39;
+const uint8_t kRangeCherokee = 40;
+const uint8_t kRangeOghamRunic = 41;
+const uint8_t kRangeMongolian = 42;
+const uint8_t kRangeMathOperators = 43;
+const uint8_t kRangeMiscTechnical = 44;
+const uint8_t kRangeControlOpticalEnclose = 45;
+const uint8_t kRangeBoxBlockGeometrics = 46;
+const uint8_t kRangeMiscSymbols = 47;
+const uint8_t kRangeDingbats = 48;
+const uint8_t kRangeBraillePattern = 49;
+const uint8_t kRangeYi = 50;
+const uint8_t kRangeCombiningDiacriticalMarks = 51;
+const uint8_t kRangeSpecials = 52;
+
+// aggregate ranges for non-BMP codepoints (u+2xxxx are all CJK)
+const uint8_t kRangeSMP = 53; // u+1xxxx
+const uint8_t kRangeHigherPlanes = 54; // u+3xxxx and above
+
+const uint8_t kRangeTableBase = 128; //values over 127 are reserved for internal use only
+const uint8_t kRangeTertiaryTable = 145; // leave room for 16 subtable
+ // indices (kRangeTableBase + 1 ..
+ // kRangeTableBase + 16)
+
+
+
+uint32_t FindCharUnicodeRange(uint32_t ch);
+
+#endif