Excise code from Unicode.cpp that was dead

Remove some utility functions for discovering character data
that ICU probably took over a while ago.

Change-Id: I97abe4de2f51eb2bf48679941258bc501184c3dc

3 files changed, 0 insertions, 229 deletions

diff --git a/include/utils/AndroidUnicode.h b/include/utils/AndroidUnicode.h
index 563fcd0..2b185d3 100644
--- a/include/utils/AndroidUnicode.h
+++ b/include/utils/AndroidUnicode.h
@@ -79,69 +79,6 @@ namespace android {
         };
 
         /**
-         * Character types as specified in the Unicode standard. These map directly to
-         * java.lang.Character.
-         */
-        enum CharType {
-            CHARTYPE_UNASSIGNED = 0,
-            CHARTYPE_UPPERCASE_LETTER,
-            CHARTYPE_LOWERCASE_LETTER,
-            CHARTYPE_TITLECASE_LETTER,
-            CHARTYPE_MODIFIER_LETTER,
-            CHARTYPE_OTHER_LETTER,
-            CHARTYPE_NON_SPACING_MARK,
-            CHARTYPE_ENCLOSING_MARK,
-            CHARTYPE_COMBINING_SPACING_MARK,
-            CHARTYPE_DECIMAL_DIGIT_NUMBER,
-            CHARTYPE_LETTER_NUMBER,
-            CHARTYPE_OTHER_NUMBER,
-            CHARTYPE_SPACE_SEPARATOR,
-            CHARTYPE_LINE_SEPARATOR,
-            CHARTYPE_PARAGRAPH_SEPARATOR,
-            CHARTYPE_CONTROL,
-            CHARTYPE_FORMAT,
-            CHARTYPE_MISSING_VALUE_FOR_JAVA,    /* This is the mysterious missing 17 value from the java constants */
-            CHARTYPE_PRIVATE_USE,
-            CHARTYPE_SURROGATE,
-            CHARTYPE_DASH_PUNCTUATION,
-            CHARTYPE_START_PUNCTUATION,
-            CHARTYPE_END_PUNCTUATION,
-            CHARTYPE_CONNECTOR_PUNCTUATION,
-            CHARTYPE_OTHER_PUNCTUATION,
-            CHARTYPE_MATH_SYMBOL,
-            CHARTYPE_CURRENCY_SYMBOL,
-            CHARTYPE_MODIFIER_SYMBOL,
-            CHARTYPE_OTHER_SYMBOL,
-            CHARTYPE_INITIAL_QUOTE_PUNCTUATION,
-            CHARTYPE_FINAL_QUOTE_PUNCTUATION
-        };
-
-        /**
-         * Decomposition types as described by the unicode standard. These values map to
-         * the same values in uchar.h in ICU.
-         */
-        enum DecompositionType {
-            DECOMPOSITION_NONE = 0,
-            DECOMPOSITION_CANONICAL,
-            DECOMPOSITION_COMPAT,
-            DECOMPOSITION_CIRCLE,
-            DECOMPOSITION_FINAL,
-            DECOMPOSITION_FONT,
-            DECOMPOSITION_FRACTION,
-            DECOMPOSITION_INITIAL,
-            DECOMPOSITION_ISOLATED,
-            DECOMPOSITION_MEDIAL,
-            DECOMPOSITION_NARROW,
-            DECOMPOSITION_NOBREAK,
-            DECOMPOSITION_SMALL,
-            DECOMPOSITION_SQUARE,
-            DECOMPOSITION_SUB,
-            DECOMPOSITION_SUPER,
-            DECOMPOSITION_VERTICAL,
-            DECOMPOSITION_WIDE
-        };
-
-        /**
          * Returns the packed data for java calls
          * @param c The unicode character.
          * @return The packed data for the character.
@@ -162,61 +99,6 @@ namespace android {
         static uint32_t getPackedData(UChar32 c);
         
         /**
-         * Get the Character type.
-         * @param c The unicode character.
-         * @return The character's type or CHARTYPE_UNASSIGNED if the character is invalid
-         *         or has an unassigned class.
-         */
-        static CharType getType(UChar32 c);    
-
-        /**
-         * Get the Character's decomposition type.
-         * @param c The unicode character.
-         * @return The character's decomposition type or DECOMPOSITION_NONE is there 
-         *         is no decomposition.
-         */
-        static DecompositionType getDecompositionType(UChar32 c);
-        
-        /**
-         * Returns the digit value of a character or -1 if the character
-         * is not within the specified radix.
-         *
-         * The digit value is computed for integer characters and letters
-         * within the given radix. This function does not handle Roman Numerals,
-         * fractions, or any other characters that may represent numbers.
-         * 
-         * @param c The unicode character
-         * @param radix The intended radix.
-         * @return The digit value or -1 if there is no digit value or if the value is outside the radix.
-         */
-        static int getDigitValue(UChar32 c, int radix = 10);
-
-        /**
-         * Return the numeric value of a character
-         *
-         * @param c The unicode character.
-         * @return The numeric value of the character. -1 if the character has no numeric value, 
-         *         -2 if the character has a numeric value that is not representable by an integer.
-         */
-        static int getNumericValue(UChar32 c);
-
-        /**
-         * Convert the character to lowercase
-         * @param c The unicode character.
-         * @return The lowercase character equivalent of c. If c does not have a lowercase equivalent,
-         *         the original character is returned.
-         */
-        static UChar32 toLower(UChar32 c);
-            
-        /**
-         * Convert the character to uppercase
-         * @param c The unicode character.
-         * @return The uppercase character equivalent of c. If c does not have an uppercase equivalent,
-         *         the original character is returned.
-         */
-        static UChar32 toUpper(UChar32 c);
-    
-        /**
          * Get the directionality of the character.
          * @param c The unicode character.
          * @return The direction of the character or DIRECTIONALITY_UNDEFINED.
@@ -239,15 +121,6 @@ namespace android {
          * @see isMirrored
          */
         static UChar32 toMirror(UChar32 c);
-        
-        /**
-         * Convert the character to title case.
-         * @param c The unicode character.
-         * @return The titlecase equivalent of c. If c does not have a titlecase equivalent,
-         *         the original character is returned.
-         */
-        static UChar32 toTitle(UChar32 c);
-
    };
 
 }
diff --git a/libs/utils/CharacterData.h b/libs/utils/CharacterData.h
index e931d99..d9b7c56 100644
--- a/libs/utils/CharacterData.h
+++ b/libs/utils/CharacterData.h
@@ -615,32 +615,6 @@ namespace CharacterData {
         {0, 0}
     };
 
-    // Array of uppercase differences
-    static const short UCDIFF[] = {
-            0,   -32,   743,   121,    -1,  -232,  -300,    97, 
-          163,   130,    56,    -2,   -79,  -210,  -206,  -205, 
-         -202,  -203,  -207,  -209,  -211,  -213,  -214,  -218, 
-         -217,  -219,   -83,    84,   -38,   -37,   -31,   -64, 
-          -63,   -62,   -57,   -47,   -54,   -86,   -80,     7, 
-          -96,   -48,   -59,     8,    74,    86,   100,   128, 
-          112,   126,     9, -7205,   -16,   -26, -7264,   -40
-    };
-
-    // Array of lowercase differences
-    static const short LCDIFF[] = {
-            0,    32,     1,  -199,  -121,   210,   206,   205, 
-           79,   202,   203,   207,   211,   209,   213,   214, 
-          218,   217,   219,     2,   -97,   -56,  -130,  -163, 
-           83,    38,    37,    64,    63,   -60,    -7,    80, 
-           48,  7264,    -8,   -74,    -9,   -86,  -100,  -112, 
-         -128,  -126, -7517, -8383, -8262,    16,    26,    40
-    };
-
-    // Array of titlecase differences
-    static const short TCDIFF[] = {
-            3,     1,     0,    -1
-    };
-
     // Array of mirrored character differences
     static const short MIRROR_DIFF[] = {
             0,     1,    -1,     2,    -2,    16,   -16,     3, 
@@ -649,21 +623,6 @@ namespace CharacterData {
         -2108
     };
 
-   // Array of all possible numeric values
-   static const int NUMERICS[] = {
-            -1,      0,      1,      2,      3,      4,      5,      6, 
-             7,      8,      9,     10,     11,     12,     13,     14, 
-            15,     16,     17,     18,     19,     20,     21,     22, 
-            23,     24,     25,     26,     27,     28,     29,     30, 
-            31,     32,     33,     34,     35,     -2,    100,   1000, 
-            40,     50,     60,     70,     80,     90,  10000,    500, 
-          5000,     36,     37,     38,     39,     41,     42,     43, 
-            44,     45,     46,     47,     48,     49,    200,    300, 
-           400,    600,    700,    800,    900,   2000,   3000,   4000, 
-          6000,   7000,   8000,   9000,  20000,  30000,  40000,  50000, 
-         60000,  70000,  80000,  90000
-    };
-
     // All possible packed data values, no duplicates
     static const uint32_t PACKED_DATA[] = {
         0x00000000, 0x0000012F, 0x0000016F, 0x0000014F, 0x0000018F, 0x0000018C, 0x000001B8, 0x000000B8, 
diff --git a/libs/utils/Unicode.cpp b/libs/utils/Unicode.cpp
index f92703e..65dbb4a 100644
--- a/libs/utils/Unicode.cpp
+++ b/libs/utils/Unicode.cpp
@@ -103,55 +103,6 @@ uint32_t android::Unicode::getPackedData(UChar32 c)
     return CharacterData::PACKED_DATA[findCharacterValue(c) & 0x7FF];
 }
 
-android::Unicode::CharType android::Unicode::getType(UChar32 c)
-{
-    if (c < 0 || c >= 0x10FFFF)
-        return CHARTYPE_UNASSIGNED;
-    return (CharType)((getPackedData(c) >> TYPE_SHIFT) & TYPE_MASK);
-}
-
-android::Unicode::DecompositionType android::Unicode::getDecompositionType(UChar32 c)
-{
-    // findCharacterValue returns a 16-bit value with the top 5 bits containing a decomposition type
-    // and the remaining bits containing an index.
-    return (DecompositionType)((findCharacterValue(c) >> DECOMPOSITION_SHIFT) & DECOMPOSITION_MASK);
-}
-
-int android::Unicode::getDigitValue(UChar32 c, int radix)
-{
-    if (radix < MIN_RADIX || radix > MAX_RADIX)
-        return -1;
-
-    int tempValue = radix;
-    
-    if (c >= '0' && c <= '9')
-        tempValue = c - '0';
-    else if (c >= 'a' && c <= 'z')
-        tempValue = c - 'a' + 10;
-    else if (c >= 'A' && c <= 'Z')
-        tempValue = c - 'A' + 10;
-    
-    return tempValue < radix ? tempValue : -1;
-}
-
-int android::Unicode::getNumericValue(UChar32 c)
-{
-    if (isMirrored(c))
-        return -1;
-    
-    return (int) CharacterData::NUMERICS[((getPackedData(c) >> NUMERIC_SHIFT) & NUMERIC_MASK)];
-}
-
-UChar32 android::Unicode::toLower(UChar32 c)
-{
-    return c + CharacterData::LCDIFF[(getPackedData(c) >> TOLOWER_SHIFT) & TOLOWER_MASK];
-}
-
-UChar32 android::Unicode::toUpper(UChar32 c)
-{
-    return c + CharacterData::UCDIFF[(getPackedData(c) >> TOUPPER_SHIFT) & TOUPPER_MASK];
-}
-
 android::Unicode::Direction android::Unicode::getDirectionality(UChar32 c)
 {
     uint32_t data = getPackedData(c);
@@ -179,15 +130,3 @@ UChar32 android::Unicode::toMirror(UChar32 c)
 
     return c + CharacterData::MIRROR_DIFF[(getPackedData(c) >> MIRROR_SHIFT) & MIRROR_MASK];
 }
-
-UChar32 android::Unicode::toTitle(UChar32 c)
-{
-    int32_t diff = CharacterData::TCDIFF[(getPackedData(c) >> TOTITLE_SHIFT) & TOTITLE_MASK];
-
-    if (TOTITLE_MASK == diff)
-        return toUpper(c);
-    
-    return c + diff;
-}
-
-