зеркало из https://github.com/mozilla/gecko-dev.git
#116030 provide a way to identify langGroup/rang for a unicode char
Add some checking code to figure out the range of a unicode char, and use this piece of information to guide preference font searching. r=rbs, sr=brendan
This commit is contained in:
shanjian%netscape.com
Родитель
19e6602925
Коммит
faa348445e
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@ -63,6 +63,7 @@ OBJS = \
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.\$(OBJDIR)\nsGfxFactoryWin.obj \
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.\$(OBJDIR)\nsGfxFactoryWin.obj \
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.\$(OBJDIR)\nsCompressedCharMap.obj \
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.\$(OBJDIR)\nsCompressedCharMap.obj \
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.\$(OBJDIR)\nsNativeThemeWin.obj \
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.\$(OBJDIR)\nsNativeThemeWin.obj \
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.\$(OBJDIR)\nsUnicodeRange.obj \
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$(NULL)
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$(NULL)
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EXPORTS= nsIRenderingContextWin.h \
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EXPORTS= nsIRenderingContextWin.h \
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@ -59,6 +59,7 @@
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#include "prprf.h"
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#include "prprf.h"
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#include "nsReadableUtils.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsUnicodeRange.h"
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#define NOT_SETUP 0x33
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#define NOT_SETUP 0x33
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static PRBool gIsWIN95OR98 = NOT_SETUP;
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static PRBool gIsWIN95OR98 = NOT_SETUP;
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@ -3047,6 +3048,8 @@ nsFontMetricsWin::FindGenericFont(HDC aDC, PRUint32 aChar)
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return nsnull;
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return nsnull;
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}
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}
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#define IsCJKLangGroupAtom(a) ((a)==gJA || (a)==gKO || (a)==gZHCN || (a)==gZHTW)
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nsFontWin*
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nsFontWin*
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nsFontMetricsWin::FindPrefFont(HDC aDC, PRUint32 aChar)
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nsFontMetricsWin::FindPrefFont(HDC aDC, PRUint32 aChar)
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{
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{
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@ -3055,37 +3058,70 @@ nsFontMetricsWin::FindPrefFont(HDC aDC, PRUint32 aChar)
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return nsnull;
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return nsnull;
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}
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}
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nsFont font("", 0, 0, 0, 0, 0);
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nsFont font("", 0, 0, 0, 0, 0);
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// Try the pref of the user's ui lang group
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// For example, if the ui language is Japanese, try pref from "ja"
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// Make localized build work better on other OS
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if (gUsersLocale != mLangGroup) {
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nsAutoString langGroup;
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gUsersLocale->ToString(langGroup);
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AppendGenericFontFromPref(font.name,
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NS_ConvertUCS2toUTF8(langGroup).get(),
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NS_ConvertUCS2toUTF8(mGeneric).get());
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}
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// Try the pref of the user's system lang group
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// For example, if the os language is Simplified Chinese,
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// try pref from "zh-CN"
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// Make English build work better on other OS
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if ((gSystemLocale != mLangGroup) && (gSystemLocale != gUsersLocale)) {
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nsAutoString langGroup;
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gSystemLocale->ToString(langGroup);
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AppendGenericFontFromPref(font.name,
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NS_ConvertUCS2toUTF8(langGroup).get(),
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NS_ConvertUCS2toUTF8(mGeneric).get());
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}
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// Also try all the default pref fonts enlisted from other languages
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// Sometimes we could not find the font in doc's suggested langGroup,(this usually means
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for (int i = 1; i < eCharset_COUNT; ++i) {
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// the language specified by doc is incorrect). The characters can, to a certain degree,
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nsIAtom* langGroup = NS_NewAtom(gCharsetInfo[i].mLangGroup);
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// tell us what language it is. This allows us to quickly locate and use a more appropriate
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if((gUsersLocale != langGroup) && (gSystemLocale != langGroup)) {
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// font as indicated by user's preference. In some situations a set of possible languages may
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AppendGenericFontFromPref(font.name, gCharsetInfo[i].mLangGroup,
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// be identified instead of a single language (eg. CJK and latin). In this case we have to
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// try every language in the set. gUserLocale and gSystemLocale provide some hints about
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// which one should be tried first. This is important for CJK font, since the glyph for single
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// char varies dramatically in different langauges. For latin languages, their glyphs are
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// similar. In fact, they almost always share identical fonts. It will be a waste of time to
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// figure out which one comes first. As a final fallback, unicode preference is always tried.
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PRUint32 unicodeRange = FindCharUnicodeRange(aChar);
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if (unicodeRange > kRangeSpecificItemNum) {
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// a single language is identified
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AppendGenericFontFromPref(font.name, LangGroupFromUnicodeRange(unicodeRange),
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NS_ConvertUCS2toUTF8(mGeneric).get());
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} else if (kRangeSetLatin == unicodeRange) {
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// Character is from a latin language set, so try western and central european
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// If mLangGroup is western or central european, this most probably will not be
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// used, but is here as a fallback scenario.
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AppendGenericFontFromPref(font.name, "x-western",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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AppendGenericFontFromPref(font.name, "x-central-euro",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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} else if (kRangeSetCJK == unicodeRange) {
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// CJK, we have to be careful about the order, use locale info as hint
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// then try user locale first, if it is CJK
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if ((gUsersLocale != mLangGroup) && IsCJKLangGroupAtom(gUsersLocale)) {
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const PRUnichar *usersLocaleLangGroup;
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gUsersLocale->GetUnicode(&usersLocaleLangGroup);
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AppendGenericFontFromPref(font.name, NS_ConvertUCS2toUTF8(usersLocaleLangGroup).get(),
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NS_ConvertUCS2toUTF8(mGeneric).get());
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NS_ConvertUCS2toUTF8(mGeneric).get());
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}
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}
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NS_IF_RELEASE(langGroup);
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}
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// then system locale (os language)
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if ((gSystemLocale != mLangGroup) && (gSystemLocale != gUsersLocale) && IsCJKLangGroupAtom(gSystemLocale)) {
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const PRUnichar *systemLocaleLangGroup;
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gSystemLocale->GetUnicode(&systemLocaleLangGroup);
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AppendGenericFontFromPref(font.name, NS_ConvertUCS2toUTF8(systemLocaleLangGroup).get(),
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NS_ConvertUCS2toUTF8(mGeneric).get());
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}
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// try all other languages in this set.
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if (mLangGroup != gJA && gUsersLocale != gJA && gSystemLocale != gJA)
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AppendGenericFontFromPref(font.name, "ja",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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if (mLangGroup != gZHCN && gUsersLocale != gZHCN && gSystemLocale != gZHCN)
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AppendGenericFontFromPref(font.name, "zh-CN",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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if (mLangGroup != gZHTW && gUsersLocale != gZHTW && gSystemLocale != gZHTW)
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AppendGenericFontFromPref(font.name, "zh-TW",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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if (mLangGroup != gKO && gUsersLocale != gKO && gSystemLocale != gKO)
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AppendGenericFontFromPref(font.name, "ko",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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}
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// always try unicode as fallback
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AppendGenericFontFromPref(font.name, "x-unicode",
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NS_ConvertUCS2toUTF8(mGeneric).get());
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// use the font list to find font
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GenericFontEnumContext context = {aDC, aChar, nsnull, this};
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GenericFontEnumContext context = {aDC, aChar, nsnull, this};
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font.EnumerateFamilies(GenericFontEnumCallback, &context);
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font.EnumerateFamilies(GenericFontEnumCallback, &context);
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if (context.mFont) { // a suitable font was found
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if (context.mFont) { // a suitable font was found
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@ -0,0 +1,354 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsUnicodeRange.h"
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// This table depends on unicode range definitions.
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// Each item's index must correspond unicode range value
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// eg. x-cyrillic = LangGroupTable[kRangeCyrillic]
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const char *gUnicodeRangeToLangGroupTable[] =
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{
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"x-cyrillic",
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"el",
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"tr",
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"he",
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"ar",
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"x-baltic",
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"th",
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"ko",
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"ja",
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"zh-CN",
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"zh-TW",
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};
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/**********************************************************************
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* Unicode subranges as defined in unicode 3.0
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* x-western, x-central-euro, tr, x-baltic -> latin
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* 0000 - 036f
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* 1e00 - 1eff
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* 2000 - 206f (general punctuation)
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* 20a0 - 20cf (currency symbols)
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* 2100 - 214f (letterlike symbols)
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* 2150 - 218f (Number Forms)
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* el -> greek
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* 0370 - 03ff
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* 1f00 - 1fff
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* x-cyrillic -> cyrillic
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* 0400 - 04ff
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* he -> hebrew
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* 0590 - 05ff
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* ar -> arabic
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* 0600 - 06ff
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* fb50 - fdff (arabic presentation forms)
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* fe70 - feff (arabic presentation forms b)
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* th - thai
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* 0e00 - 0e7f
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* ko -> korean
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* ac00 - d7af (hangul Syllables)
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* 1100 - 11ff (jamo)
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* 3130 - 318f (hangul compatibility jamo)
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* ja
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* 3040 - 309f (hiragana)
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* 30a0 - 30ff (katakana)
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* zh-CN
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* zh-TW
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*
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* CJK
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* 3100 - 312f (bopomofo)
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* 31a0 - 31bf (bopomofo extended)
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* 3000 - 303f (CJK Symbols and Punctuation)
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* 2e80 - 2eff (CJK radicals supplement)
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* 2f00 - 2fdf (Kangxi Radicals)
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* 2ff0 - 2fff (Ideographic Description Characters)
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* 3190 - 319f (kanbun)
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* 3200 - 32ff (Enclosed CJK letters and Months)
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* 3300 - 33ff (CJK compatibility)
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* 3400 - 4dbf (CJK Unified Ideographs Extension A)
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* 4e00 - 9faf (CJK Unified Ideographs)
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* f900 - fa5f (CJK Compatibility Ideographs)
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* fe30 - fe4f (CJK compatibility Forms)
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* ff00 - ffef (halfwidth and fullwidth forms)
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*
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* Armenian
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* 0530 - 058f
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* Sriac
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* 0700 - 074f
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* Thaana
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* 0780 - 07bf
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* Devanagari
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* 0900 - 097f
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* Bengali
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* 0980 - 09ff
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* Gurmukhi
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* 0a00 - 0a7f
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* Gujarati
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* 0a80 - 0aff
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* Oriya
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* 0b00 - 0b7f
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* Tamil
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* 0b80 - 0bff
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* Telugu
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* 0c00 - 0c7f
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* Kannada
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* 0c80 - 0cff
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* Malayalam
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* 0d00 - 0d7f
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* Sinhala
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* 0d80 - 0def
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* Lao
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* 0e80 - 0eff
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* Tibetan
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* 0f00 - 0fbf
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* Myanmar
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* 1000 - 109f
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* Georgian
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* 10a0 - 10ff
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* Ethiopic
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* 1200 - 137f
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* Cherokee
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* 13a0 - 13ff
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* Canadian Aboriginal Syllabics
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* 1400 - 167f
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* Ogham
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* 1680 - 169f
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* Runic
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* 16a0 - 16ff
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* Khmer
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* 1780 - 17ff
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* Mongolian
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* 1800 - 18af
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* Misc - superscripts and subscripts
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* 2070 - 209f
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* Misc - Combining Diacritical Marks for Symbols
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* 20d0 - 20ff
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* Misc - Arrows
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* 2190 - 21ff
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* Misc - Mathematical Operators
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* 2200 - 22ff
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* Misc - Miscellaneous Technical
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* 2300 - 23ff
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* Misc - Control picture
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* 2400 - 243f
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* Misc - Optical character recognition
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* 2440 - 2450
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* Misc - Enclose Alphanumerics
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* 2460 - 24ff
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* Misc - Box Drawing
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* 2500 - 257f
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* Misc - Block Elements
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* 2580 - 259f
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* Misc - Geometric Shapes
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* 25a0 - 25ff
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* Misc - Miscellaneous Symbols
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* 2600 - 267f
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* Misc - Dingbats
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* 2700 - 27bf
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* Misc - Braille Patterns
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* 2800 - 28ff
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* Yi Syllables
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* a000 - a48f
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* Yi radicals
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* a490 - a4cf
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* Alphabetic Presentation Forms
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* fb00 - fb4f
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* Misc - Combining half Marks
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* fe20 - fe2f
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* Misc - small form variants
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* fe50 - fe6f
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* Misc - Specials
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* fff0 - ffff
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*********************************************************************/
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#define NUM_OF_SUBTABLES 7
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#define SUBTABLE_SIZE 16
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static PRUint8 gUnicodeSubrangeTable[NUM_OF_SUBTABLES][SUBTABLE_SIZE] =
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{
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{ // table for X---
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kRangeTableBase+1, //u0xxx
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kRangeTableBase+2, //u1xxx
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kRangeTableBase+3, //u2xxx
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kRangeSetCJK, //u3xxx
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kRangeSetCJK, //u4xxx
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kRangeSetCJK, //u5xxx
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kRangeSetCJK, //u6xxx
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kRangeSetCJK, //u7xxx
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kRangeSetCJK, //u8xxx
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kRangeSetCJK, //u9xxx
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kRangeTableBase+4, //uaxxx
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kRangeKorean, //ubxxx
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kRangeKorean, //ucxxx
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kRangeTableBase+5, //udxxx
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kRangePrivate, //uexxx
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kRangeTableBase+6 //ufxxx
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},
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{ //table for 0X--
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kRangeSetLatin, //u00xx
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kRangeSetLatin, //u01xx
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||||||
|
kRangeSetLatin, //u02xx
|
||||||
|
kRangeGreek, //u03xx XXX 0300-036f is in fact kRangeCombiningDiacriticalMarks
|
||||||
|
kRangeCyrillic, //u04xx
|
||||||
|
kRangeHebrew, //u05xx XXX 0530-058f is in fact kRangeArmenian
|
||||||
|
kRangeArabic, //u06xx
|
||||||
|
kRangeSriacThaana, //u07xx
|
||||||
|
kRangeUnassigned, //u08xx
|
||||||
|
kRangeDevanagariBengali, //u09xx
|
||||||
|
kRangeGurmukhiGujarati, //u0axx
|
||||||
|
kRangeOriyaTamil, //u0bxx
|
||||||
|
kRangeTeluguKannada, //u0cxx
|
||||||
|
kRangeMalayalamSinhala, //u0dxx
|
||||||
|
kRangeThaiLao, //u0exx
|
||||||
|
kRangeTibetan, //u0fxx
|
||||||
|
},
|
||||||
|
{ //table for 1x--
|
||||||
|
kRangeMyanmarGeorgian, //u10xx
|
||||||
|
kRangeKorean, //u11xx
|
||||||
|
kRangeEthiopic, //u12xx
|
||||||
|
kRangeEthiopicCherokee, //u13xx
|
||||||
|
kRangeAboriginal, //u14xx
|
||||||
|
kRangeAboriginal, //u15xx
|
||||||
|
kRangeAboriginalOghamRunic, //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
|
||||||
|
kRangeMiscTechical, //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
|
||||||
|
kRangeArabic, //ufexx, includes Combining half marks,
|
||||||
|
// CJK compatibility forms,
|
||||||
|
// CJK compatibility forms,
|
||||||
|
// small form variants
|
||||||
|
|
||||||
|
kRangeSetCJK, //uffxx, halfwidth and fullwidth forms, includes Special
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// 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
|
||||||
|
// Armenian and 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.
|
||||||
|
PRUint32 FindCharUnicodeRange(PRUnichar ch)
|
||||||
|
{
|
||||||
|
PRUint32 range;
|
||||||
|
|
||||||
|
//search the first table
|
||||||
|
range = gUnicodeSubrangeTable[0][ch >> 12];
|
||||||
|
|
||||||
|
if (range < kRangeTableBase)
|
||||||
|
// we try to get a specific range
|
||||||
|
return range;
|
||||||
|
|
||||||
|
// otherwise, we have one more table to look at
|
||||||
|
range = gUnicodeSubrangeTable[range - kRangeTableBase][(ch & 0x0f00) >> 8];
|
||||||
|
|
||||||
|
return range;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,108 @@
|
||||||
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||||
|
/* ***** BEGIN LICENSE BLOCK *****
|
||||||
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
||||||
|
*
|
||||||
|
* The contents of this file are subject to the Netscape Public License
|
||||||
|
* Version 1.1 (the "License"); you may not use this file except in
|
||||||
|
* compliance with the License. You may obtain a copy of the License at
|
||||||
|
* http://www.mozilla.org/NPL/
|
||||||
|
*
|
||||||
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||||
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||||
|
* for the specific language governing rights and limitations under the
|
||||||
|
* License.
|
||||||
|
*
|
||||||
|
* The Original Code is mozilla.org code.
|
||||||
|
*
|
||||||
|
* The Initial Developer of the Original Code is
|
||||||
|
* Netscape Communications Corporation.
|
||||||
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||||
|
* the Initial Developer. All Rights Reserved.
|
||||||
|
*
|
||||||
|
* Alternatively, the contents of this file may be used under the terms of
|
||||||
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
||||||
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||||
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||||
|
* of those above. If you wish to allow use of your version of this file only
|
||||||
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||||
|
* use your version of this file under the terms of the NPL, indicate your
|
||||||
|
* decision by deleting the provisions above and replace them with the notice
|
||||||
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||||
|
* the provisions above, a recipient may use your version of this file under
|
||||||
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
||||||
|
*
|
||||||
|
* ***** END LICENSE BLOCK ***** */
|
||||||
|
|
||||||
|
#include "nscore.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 PRUint32
|
||||||
|
|
||||||
|
// frequently used range definitions
|
||||||
|
const PRUint8 kRangeCyrillic = 0;
|
||||||
|
const PRUint8 kRangeGreek = 1;
|
||||||
|
const PRUint8 kRangeTurkish = 2;
|
||||||
|
const PRUint8 kRangeHebrew = 3;
|
||||||
|
const PRUint8 kRangeArabic = 4;
|
||||||
|
const PRUint8 kRangeBaltic = 5;
|
||||||
|
const PRUint8 kRangeThaiLao = 6;
|
||||||
|
const PRUint8 kRangeKorean = 7;
|
||||||
|
const PRUint8 kRangeJapanese = 8;
|
||||||
|
const PRUint8 kRangeSChinese = 9;
|
||||||
|
const PRUint8 kRangeTChinese = 10;
|
||||||
|
|
||||||
|
const PRUint8 kRangeSpecificItemNum =11;
|
||||||
|
|
||||||
|
//range/rangeSet grow to this place 8-29
|
||||||
|
|
||||||
|
const PRUint8 kRangeSetStart = 30; // range set definition starts from here
|
||||||
|
const PRUint8 kRangeSetLatin = 30;
|
||||||
|
const PRUint8 kRangeSetCJK = 31;
|
||||||
|
const PRUint8 kRangeSetEnd = 31; // range set definition ends here
|
||||||
|
|
||||||
|
// less frequently used range definition
|
||||||
|
const PRUint8 kRangeSurrogate = 32;
|
||||||
|
const PRUint8 kRangePrivate = 33;
|
||||||
|
const PRUint8 kRangeMisc = 34;
|
||||||
|
const PRUint8 kRangeUnassigned = 35;
|
||||||
|
const PRUint8 kRangeSriacThaana = 36;
|
||||||
|
const PRUint8 kRangeDevanagariBengali = 37;
|
||||||
|
const PRUint8 kRangeGurmukhiGujarati = 38;
|
||||||
|
const PRUint8 kRangeOriyaTamil = 39;
|
||||||
|
const PRUint8 kRangeTeluguKannada = 40;
|
||||||
|
const PRUint8 kRangeMalayalamSinhala = 41;
|
||||||
|
const PRUint8 kRangeTibetan = 42;
|
||||||
|
const PRUint8 kRangeMyanmarGeorgian = 43;
|
||||||
|
const PRUint8 kRangeEthiopic = 44;
|
||||||
|
const PRUint8 kRangeEthiopicCherokee = 45;
|
||||||
|
const PRUint8 kRangeAboriginal = 46;
|
||||||
|
const PRUint8 kRangeAboriginalOghamRunic = 47;
|
||||||
|
const PRUint8 kRangeKhmer = 48;
|
||||||
|
const PRUint8 kRangeMongolian = 49;
|
||||||
|
const PRUint8 kRangeMathOperators = 50;
|
||||||
|
const PRUint8 kRangeMiscTechical = 51;
|
||||||
|
const PRUint8 kRangeControlOpticalEnclose = 52;
|
||||||
|
const PRUint8 kRangeBoxBlockGeometrics = 53;
|
||||||
|
const PRUint8 kRangeMiscSymbols = 54;
|
||||||
|
const PRUint8 kRangeDingbats = 55;
|
||||||
|
const PRUint8 kRangeBraillePattern = 56;
|
||||||
|
const PRUint8 kRangeYi = 57;
|
||||||
|
const PRUint8 kRangeCombiningDiacriticalMarks = 58;
|
||||||
|
const PRUint8 kRangeArmenian = 59;
|
||||||
|
|
||||||
|
const PRUint8 kRangeTableBase = 128; //values over 127 are reserved for internal use only
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
extern PRUint32 FindCharUnicodeRange(PRUnichar ch);
|
||||||
|
extern const char* gUnicodeRangeToLangGroupTable[];
|
||||||
|
|
||||||
|
inline const char* LangGroupFromUnicodeRange(PRUint8 unicodeRange)
|
||||||
|
{
|
||||||
|
if (kRangeSpecificItemNum > unicodeRange)
|
||||||
|
return gUnicodeRangeToLangGroupTable[unicodeRange];
|
||||||
|
return nsnull;
|
||||||
|
}
|
||||||
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