expose an API to map from UScriptCode to i18n::ScriptType

2 files changed, 61 insertions, 0 deletions

diff --git a/i18nutil/inc/i18nutil/unicode.hxx b/i18nutil/inc/i18nutil/unicode.hxx
index f865552f1709..d5e72b1feb70 100644
--- a/i18nutil/inc/i18nutil/unicode.hxx
+++ b/i18nutil/inc/i18nutil/unicode.hxx
@@ -30,6 +30,7 @@
 
 #include <com/sun/star/i18n/UnicodeScript.hpp>
 #include <sal/types.h>
+#include <unicode/uscript.h>
 #include "i18nutildllapi.h"
 
 typedef struct _ScriptTypeList {
@@ -61,6 +62,9 @@ public:
     static sal_Bool SAL_CALL isWhiteSpace( const sal_Unicode ch);
     static sal_Bool SAL_CALL isAlphaDigit( const sal_Unicode ch);
     static sal_Bool SAL_CALL isPunctuation( const sal_Unicode ch);
+
+    //Map an ISO 15924 script code to Latin/Asian/Complex/Weak
+    static sal_Int16 SAL_CALL getScriptClassFromUScriptCode(UScriptCode eScript);
 };
 
 #endif
diff --git a/i18nutil/source/utility/unicode.cxx b/i18nutil/source/utility/unicode.cxx
index f04faa5846cf..b0a97d6a55d7 100644
--- a/i18nutil/source/utility/unicode.cxx
+++ b/i18nutil/source/utility/unicode.cxx
@@ -28,6 +28,7 @@
 
 #include <com/sun/star/i18n/UnicodeType.hpp>
 #include <com/sun/star/i18n/KCharacterType.hpp>
+#include <com/sun/star/i18n/ScriptType.hpp>
 #include <i18nutil/unicode.hxx>
 #include "unicode_data.h"
 
@@ -497,5 +498,61 @@ sal_Int32 SAL_CALL unicode::getCharType( const sal_Unicode ch )
     }
 }
 
+sal_Int16 SAL_CALL unicode::getScriptClassFromUScriptCode(UScriptCode eScript)
+{
+    //See unicode/uscript.h
+    static sal_Int16 scriptTypes[] =
+    {
+        ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX,
+        ScriptType::ASIAN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN,
+    // 15
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN, ScriptType::COMPLEX,
+        ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN,
+    // 30
+        ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::LATIN, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+    // 45
+        ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN,
+        ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+    // 60
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN,
+    // 75
+        ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+    // 90
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX,
+    // 105
+        ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN,
+    // 120
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+    // 135
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX,
+        ScriptType::COMPLEX,
+        ScriptType::WEAK
+    };
+
+    sal_Int16 nRet;
+    if (eScript < USCRIPT_COMMON)
+        nRet = ScriptType::WEAK;
+    else if (static_cast<size_t>(eScript) >= SAL_N_ELEMENTS(scriptTypes))
+        nRet = ScriptType::COMPLEX;         // anything new is going to be pretty wild
+    else
+        nRet = scriptTypes[eScript];
+    return nRet;
+}
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */