Add m-esr52 at 52.6.0

1 files changed, 419 insertions, 0 deletions

diff --git a/gfx/thebes/nsUnicodeRange.cpp b/gfx/thebes/nsUnicodeRange.cpp
new file mode 100644
index 000000000..af53f21fa
--- /dev/null
+++ b/gfx/thebes/nsUnicodeRange.cpp
@@ -0,0 +1,419 @@
+/* -*- 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/. */
+
+#include "nsUnicodeRange.h"
+
+/**********************************************************************
+ * Unicode subranges as defined in unicode 3.0
+ * x-western  -> latin
+ *  0000 - 036f
+ *  1e00 - 1eff
+ *  2000 - 206f  (general punctuation)
+ *  20a0 - 20cf  (currency symbols)
+ *  2100 - 214f  (letterlike symbols)
+ *  2150 - 218f  (Number Forms)
+ * el         -> greek
+ *  0370 - 03ff
+ *  1f00 - 1fff
+ * x-cyrillic -> cyrillic
+ *  0400 - 04ff
+ * he         -> hebrew
+ *  0590 - 05ff
+ * ar         -> arabic
+ *  0600 - 06ff
+ *  fb50 - fdff (arabic presentation forms)
+ *  fe70 - feff (arabic presentation forms b)
+ * th - thai
+ *  0e00 - 0e7f
+ * ko        -> korean
+ *  ac00 - d7af  (hangul Syllables)
+ *  1100 - 11ff    (jamo)
+ *  3130 - 318f (hangul compatibility jamo)
+ * ja
+ *  3040 - 309f (hiragana)
+ *  30a0 - 30ff (katakana)
+ * zh-CN
+ * zh-TW
+ *
+ * CJK
+ *  3100 - 312f (bopomofo)
+ *  31a0 - 31bf (bopomofo extended)
+ *  3000 - 303f (CJK Symbols and Punctuation) 
+ *  2e80 - 2eff (CJK radicals supplement)
+ *  2f00 - 2fdf (Kangxi Radicals)
+ *  2ff0 - 2fff (Ideographic Description Characters)
+ *  3190 - 319f (kanbun)
+ *  3200 - 32ff (Enclosed CJK letters and Months)
+ *  3300 - 33ff (CJK compatibility)
+ *  3400 - 4dbf (CJK Unified Ideographs Extension A)
+ *  4e00 - 9faf (CJK Unified Ideographs)
+ *  f900 - fa5f (CJK Compatibility Ideographs)
+ *  fe30 - fe4f (CJK compatibility Forms)
+ *  ff00 - ffef (halfwidth and fullwidth forms)
+ *
+ * Armenian
+ *  0530 - 058f 
+ * Sriac 
+ *  0700 - 074f
+ * Thaana
+ *  0780 - 07bf
+ * Devanagari
+ *  0900 - 097f
+ * Bengali
+ *  0980 - 09ff
+ * Gurmukhi
+ *  0a00 - 0a7f
+ * Gujarati
+ *  0a80 - 0aff
+ * Oriya
+ *  0b00 - 0b7f
+ * Tamil
+ *  0b80 - 0bff
+ * Telugu
+ *  0c00 - 0c7f
+ * Kannada
+ *  0c80 - 0cff
+ * Malayalam
+ *  0d00 - 0d7f
+ * Sinhala
+ *  0d80 - 0def
+ * Lao
+ *  0e80 - 0eff
+ * Tibetan
+ *  0f00 - 0fbf
+ * Myanmar
+ *  1000 - 109f
+ * Georgian
+ *  10a0 - 10ff
+ * Ethiopic
+ *  1200 - 137f
+ * Cherokee
+ *  13a0 - 13ff
+ * Canadian Aboriginal Syllabics
+ *  1400 - 167f
+ * Ogham
+ *  1680 - 169f
+ * Runic 
+ *  16a0 - 16ff
+ * Khmer
+ *  1780 - 17ff
+ * Mongolian
+ *  1800 - 18af
+ * Misc - superscripts and subscripts
+ *  2070 - 209f
+ * Misc - Combining Diacritical Marks for Symbols
+ *  20d0 - 20ff
+ * Misc - Arrows
+ *  2190 - 21ff
+ * Misc - Mathematical Operators
+ *  2200 - 22ff
+ * Misc - Miscellaneous Technical
+ *  2300 - 23ff
+ * Misc - Control picture
+ *  2400 - 243f
+ * Misc - Optical character recognition
+ *  2440 - 2450
+ * Misc - Enclose Alphanumerics
+ *  2460 - 24ff
+ * Misc - Box Drawing 
+ *  2500 - 257f
+ * Misc - Block Elements
+ *  2580 - 259f
+ * Misc - Geometric Shapes
+ *  25a0 - 25ff
+ * Misc - Miscellaneous Symbols
+ *  2600 - 267f
+ * Misc - Dingbats
+ *  2700 - 27bf
+ * Misc - Braille Patterns
+ *  2800 - 28ff
+ * Yi Syllables
+ *  a000 - a48f
+ * Yi radicals
+ *  a490 - a4cf
+ * Alphabetic Presentation Forms
+ *  fb00 - fb4f
+ * Misc - Combining half Marks
+ *  fe20 - fe2f
+ * Misc - small form variants
+ *  fe50 - fe6f
+ * Misc - Specials
+ *  fff0 - ffff
+ *********************************************************************/
+
+
+
+#define NUM_OF_SUBTABLES      10
+#define SUBTABLE_SIZE         16
+
+static const uint8_t gUnicodeSubrangeTable[NUM_OF_SUBTABLES][SUBTABLE_SIZE] = 
+{ 
+  { // table for X---
+    kRangeTableBase+1,  //u0xxx
+    kRangeTableBase+2,  //u1xxx
+    kRangeTableBase+3,  //u2xxx
+    kRangeSetCJK,       //u3xxx
+    kRangeSetCJK,       //u4xxx
+    kRangeSetCJK,       //u5xxx
+    kRangeSetCJK,       //u6xxx
+    kRangeSetCJK,       //u7xxx
+    kRangeSetCJK,       //u8xxx
+    kRangeSetCJK,       //u9xxx
+    kRangeTableBase+4,  //uaxxx
+    kRangeKorean,       //ubxxx
+    kRangeKorean,       //ucxxx
+    kRangeTableBase+5,  //udxxx
+    kRangePrivate,      //uexxx
+    kRangeTableBase+6   //ufxxx
+  },
+  { //table for 0X--
+    kRangeSetLatin,          //u00xx
+    kRangeSetLatin,          //u01xx
+    kRangeSetLatin,          //u02xx
+    kRangeGreek,             //u03xx     XXX 0300-036f is in fact kRangeCombiningDiacriticalMarks
+    kRangeCyrillic,          //u04xx
+    kRangeTableBase+7,       //u05xx, includes Cyrillic supplement, Hebrew, and Armenian
+    kRangeArabic,            //u06xx
+    kRangeTertiaryTable,     //u07xx
+    kRangeUnassigned,        //u08xx
+    kRangeTertiaryTable,     //u09xx
+    kRangeTertiaryTable,     //u0axx
+    kRangeTertiaryTable,     //u0bxx
+    kRangeTertiaryTable,     //u0cxx
+    kRangeTertiaryTable,     //u0dxx
+    kRangeTertiaryTable,     //u0exx
+    kRangeTibetan            //u0fxx
+  },
+  { //table for 1x--
+    kRangeTertiaryTable,     //u10xx
+    kRangeKorean,            //u11xx
+    kRangeEthiopic,          //u12xx
+    kRangeTertiaryTable,     //u13xx
+    kRangeCanadian,          //u14xx
+    kRangeCanadian,          //u15xx
+    kRangeTertiaryTable,     //u16xx
+    kRangeKhmer,             //u17xx
+    kRangeMongolian,         //u18xx
+    kRangeUnassigned,        //u19xx
+    kRangeUnassigned,        //u1axx
+    kRangeUnassigned,        //u1bxx
+    kRangeUnassigned,        //u1cxx
+    kRangeUnassigned,        //u1dxx
+    kRangeSetLatin,          //u1exx
+    kRangeGreek              //u1fxx
+  },
+  { //table for 2x--
+    kRangeSetLatin,          //u20xx
+    kRangeSetLatin,          //u21xx
+    kRangeMathOperators,     //u22xx
+    kRangeMiscTechnical,     //u23xx
+    kRangeControlOpticalEnclose, //u24xx
+    kRangeBoxBlockGeometrics, //u25xx
+    kRangeMiscSymbols,       //u26xx
+    kRangeDingbats,          //u27xx
+    kRangeBraillePattern,    //u28xx
+    kRangeUnassigned,        //u29xx
+    kRangeUnassigned,        //u2axx
+    kRangeUnassigned,        //u2bxx
+    kRangeUnassigned,        //u2cxx
+    kRangeUnassigned,        //u2dxx
+    kRangeSetCJK,            //u2exx
+    kRangeSetCJK             //u2fxx
+  },
+  {  //table for ax--
+    kRangeYi,                //ua0xx
+    kRangeYi,                //ua1xx
+    kRangeYi,                //ua2xx
+    kRangeYi,                //ua3xx
+    kRangeYi,                //ua4xx
+    kRangeUnassigned,        //ua5xx
+    kRangeUnassigned,        //ua6xx
+    kRangeUnassigned,        //ua7xx
+    kRangeUnassigned,        //ua8xx
+    kRangeUnassigned,        //ua9xx
+    kRangeUnassigned,        //uaaxx
+    kRangeUnassigned,        //uabxx
+    kRangeKorean,            //uacxx
+    kRangeKorean,            //uadxx
+    kRangeKorean,            //uaexx
+    kRangeKorean             //uafxx
+  },
+  {  //table for dx--
+    kRangeKorean,            //ud0xx
+    kRangeKorean,            //ud1xx
+    kRangeKorean,            //ud2xx
+    kRangeKorean,            //ud3xx
+    kRangeKorean,            //ud4xx
+    kRangeKorean,            //ud5xx
+    kRangeKorean,            //ud6xx
+    kRangeKorean,            //ud7xx
+    kRangeSurrogate,         //ud8xx
+    kRangeSurrogate,         //ud9xx
+    kRangeSurrogate,         //udaxx
+    kRangeSurrogate,         //udbxx
+    kRangeSurrogate,         //udcxx
+    kRangeSurrogate,         //uddxx
+    kRangeSurrogate,         //udexx
+    kRangeSurrogate          //udfxx
+  },
+  { // table for fx--
+    kRangePrivate,           //uf0xx 
+    kRangePrivate,           //uf1xx 
+    kRangePrivate,           //uf2xx 
+    kRangePrivate,           //uf3xx 
+    kRangePrivate,           //uf4xx 
+    kRangePrivate,           //uf5xx 
+    kRangePrivate,           //uf6xx 
+    kRangePrivate,           //uf7xx 
+    kRangePrivate,           //uf8xx 
+    kRangeSetCJK,            //uf9xx 
+    kRangeSetCJK,            //ufaxx 
+    kRangeArabic,            //ufbxx, includes alphabic presentation form
+    kRangeArabic,            //ufcxx
+    kRangeArabic,            //ufdxx
+    kRangeTableBase+8,       //ufexx
+    kRangeTableBase+9        //uffxx, halfwidth and fullwidth forms, includes Specials
+  },
+  { //table for 0x0500 - 0x05ff
+    kRangeCyrillic,          //u050x
+    kRangeCyrillic,          //u051x
+    kRangeCyrillic,          //u052x
+    kRangeArmenian,          //u053x
+    kRangeArmenian,          //u054x
+    kRangeArmenian,          //u055x
+    kRangeArmenian,          //u056x
+    kRangeArmenian,          //u057x
+    kRangeArmenian,          //u058x
+    kRangeHebrew,            //u059x
+    kRangeHebrew,            //u05ax
+    kRangeHebrew,            //u05bx
+    kRangeHebrew,            //u05cx
+    kRangeHebrew,            //u05dx
+    kRangeHebrew,            //u05ex
+    kRangeHebrew             //u05fx
+  },
+  { //table for 0xfe00 - 0xfeff
+    kRangeSetCJK,            //ufe0x
+    kRangeSetCJK,            //ufe1x
+    kRangeSetCJK,            //ufe2x
+    kRangeSetCJK,            //ufe3x
+    kRangeSetCJK,            //ufe4x
+    kRangeSetCJK,            //ufe5x
+    kRangeSetCJK,            //ufe6x
+    kRangeArabic,            //ufe7x
+    kRangeArabic,            //ufe8x
+    kRangeArabic,            //ufe9x
+    kRangeArabic,            //ufeax
+    kRangeArabic,            //ufebx
+    kRangeArabic,            //ufecx
+    kRangeArabic,            //ufedx
+    kRangeArabic,            //ufeex
+    kRangeArabic             //ufefx
+  },
+  { //table for 0xff00 - 0xffff
+    kRangeSetCJK,            //uff0x, fullwidth latin
+    kRangeSetCJK,            //uff1x, fullwidth latin
+    kRangeSetCJK,            //uff2x, fullwidth latin
+    kRangeSetCJK,            //uff3x, fullwidth latin
+    kRangeSetCJK,            //uff4x, fullwidth latin
+    kRangeSetCJK,            //uff5x, fullwidth latin
+    kRangeSetCJK,            //uff6x, halfwidth katakana
+    kRangeSetCJK,            //uff7x, halfwidth katakana
+    kRangeSetCJK,            //uff8x, halfwidth katakana
+    kRangeSetCJK,            //uff9x, halfwidth katakana
+    kRangeSetCJK,            //uffax, halfwidth hangul jamo
+    kRangeSetCJK,            //uffbx, halfwidth hangul jamo
+    kRangeSetCJK,            //uffcx, halfwidth hangul jamo
+    kRangeSetCJK,            //uffdx, halfwidth hangul jamo
+    kRangeSetCJK,            //uffex, fullwidth symbols
+    kRangeSpecials,          //ufffx, Specials
+  },
+};
+
+// Most scripts between U+0700 and U+16FF are assigned a chunk of 128 (0x80) 
+// code points  so that the number of entries in the tertiary range
+// table for that range is obtained by dividing (0x1700 - 0x0700) by 128.
+// Exceptions: Ethiopic, Tibetan, Hangul Jamo and Canadian aboriginal 
+// syllabaries take multiple chunks and Ogham and Runic share  a single chunk.
+#define TERTIARY_TABLE_SIZE ((0x1700 - 0x0700) / 0x80)
+
+static const uint8_t gUnicodeTertiaryRangeTable[TERTIARY_TABLE_SIZE] =
+{ //table for 0x0700 - 0x1600 
+    kRangeSyriac,            //u070x
+    kRangeThaana,            //u078x
+    kRangeUnassigned,        //u080x  place holder(resolved in the 2ndary tab.)
+    kRangeUnassigned,        //u088x  place holder(resolved in the 2ndary tab.)
+    kRangeDevanagari,        //u090x
+    kRangeBengali,           //u098x
+    kRangeGurmukhi,          //u0a0x
+    kRangeGujarati,          //u0a8x
+    kRangeOriya,             //u0b0x
+    kRangeTamil,             //u0b8x
+    kRangeTelugu,            //u0c0x
+    kRangeKannada,           //u0c8x
+    kRangeMalayalam,         //u0d0x
+    kRangeSinhala,           //u0d8x
+    kRangeThai,              //u0e0x  
+    kRangeLao,               //u0e8x
+    kRangeTibetan,           //u0f0x  place holder(resolved in the 2ndary tab.)
+    kRangeTibetan,           //u0f8x  place holder(resolved in the 2ndary tab.)
+    kRangeMyanmar,           //u100x
+    kRangeGeorgian,          //u108x
+    kRangeKorean,            //u110x  place holder(resolved in the 2ndary tab.)
+    kRangeKorean,            //u118x  place holder(resolved in the 2ndary tab.)
+    kRangeEthiopic,          //u120x  place holder(resolved in the 2ndary tab.)
+    kRangeEthiopic,          //u128x  place holder(resolved in the 2ndary tab.)
+    kRangeEthiopic,          //u130x  
+    kRangeCherokee,          //u138x
+    kRangeCanadian,          //u140x  place holder(resolved in the 2ndary tab.)
+    kRangeCanadian,          //u148x  place holder(resolved in the 2ndary tab.)
+    kRangeCanadian,          //u150x  place holder(resolved in the 2ndary tab.)
+    kRangeCanadian,          //u158x  place holder(resolved in the 2ndary tab.)
+    kRangeCanadian,          //u160x  
+    kRangeOghamRunic         //u168x  this contains two scripts, Ogham & Runic
+};
+
+// A two level index is almost enough for locating a range, with the 
+// exception of u03xx and u05xx. Since we don't really care about range for
+// combining diacritical marks in our font application, they are 
+// not discriminated further. But future adoption of this module for other use 
+// should be aware of this limitation. The implementation can be extended if 
+// there is such a need.
+// For Indic, Southeast Asian scripts and some other scripts between
+// U+0700 and U+16FF, it's extended to the third level.
+uint32_t FindCharUnicodeRange(uint32_t ch)
+{
+  uint32_t range;
+  
+  // aggregate ranges for non-BMP codepoints
+  if (ch > 0xFFFF) {
+    uint32_t p = (ch >> 16);
+    if (p == 1) {
+        return kRangeSMP;
+    } else if (p == 2) {
+        return kRangeSetCJK;
+    }
+    return kRangeHigherPlanes;
+  }
+
+  // lookup explicit range for BMP codepoints
+  // first general range
+  range = gUnicodeSubrangeTable[0][ch >> 12];
+  
+  // if general range is good enough, return that
+  if (range < kRangeTableBase)
+    // we try to get a specific range 
+    return range;
+
+  // otherwise, use subrange tables
+  range = gUnicodeSubrangeTable[range - kRangeTableBase][(ch & 0x0f00) >> 8];
+  if (range < kRangeTableBase)
+    return range;
+  if (range < kRangeTertiaryTable)
+    return gUnicodeSubrangeTable[range - kRangeTableBase][(ch & 0x00f0) >> 4];
+
+  // Yet another table to look at : U+0700 - U+16FF : 128 code point blocks
+  return gUnicodeTertiaryRangeTable[(ch - 0x0700) >> 7];
+}