added unicode block (codepoint ranges) lookups

(bzr r6052)

1 files changed, 154 insertions, 22 deletions

diff --git a/src/dom/ucd.h b/src/dom/ucd.h
index 92c0a7525..d8b301d47 100644
--- a/src/dom/ucd.h
+++ b/src/dom/ucd.h
@@ -1,16 +1,7 @@
 /**
  *
- * Phoebe DOM Implementation.
+ * Inkscape Unicode Character Database (UCD) 5.1.0. Utility 
  *
- * This is a C++ approximation of the W3C DOM model, which follows
- * fairly closely the specifications in the various .idl files, copies of
- * which are provided for reference.  Most important is this one:
- *
- * http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/idl-definitions.html
- * 
- * More thorough explanations of the various classes and their algorithms
- * can be found there.
- *     
  *
  * Authors:
  *   Bob Jamison
@@ -20,7 +11,7 @@
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
+ *  version 3 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -30,21 +21,16 @@
  *  You should have received a copy of the GNU Lesser General Public
  *  License along with this library; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *  
- * =======================================================================
- * NOTES:   
- * 
- * This code is from another project, also by Bob Jamison, so no permissions
- * were required.  :-)   It has been tested on 32 and 64 bits. 
- *  
- * This table contains the codepoints from the Unicode Character Database (UCD),
- * version 5.1.0. 
  *
  */
 #ifndef __UCD_H__
 #define __UCD_H__
 
 
+/************************************************
+** Unicode character classification
+************************************************/
+
 
 /**
  * Enumerated Unicode general category types
@@ -82,7 +68,7 @@ typedef enum UniCharType
     UNI_OTHER_SYMBOL              = 28,  /* So */
     UNI_INITIAL_QUOTE_PUNCTUATION = 29,  /* Pi */
     UNI_FINAL_QUOTE_PUNCTUATION   = 30   /* Pf */
-} UniCharType;
+} UnicodeCharType;
 
 
 /**
@@ -162,6 +148,11 @@ int uni_is_letter_or_digit(int ch);
  */
 int uni_is_space(int ch);
 
+
+/************************************************
+** Unicode case conversion
+************************************************/
+
 /**
  * Convert the given codepoint to its lower case mapping.
  * If there is none, return the codepoint.
@@ -187,7 +178,148 @@ int uni_to_upper(int ch);
 int uni_to_title(int ch);
 
 
+/************************************************
+** Unicode blocks
+************************************************/
+
+
+
+/**
+ * Used to hold the information for a Unicode codepoint
+ * block
+ */
+typedef struct
+{
+    /**
+     * Low end of the block range
+     */
+    unsigned long low;
+    /**
+     * High end of the block range
+     */
+    unsigned long high;
+    /**
+     * Name string for the block
+     */
+    const char    *name;
+} UcdBlockData;
+
+
+/**
+ * Return the Unicode block (defined below) for the given
+ * codepoint.  If not found, return UCD_BLOCK_NO_BLOCK.
+ * @param ch the Unicode codepoint to search
+ * @return the block
+ */
+int uni_block(int ch);
+
+
+/**
+ * Return the Unicode block data for the enumerated block number.
+ * @param nr the Unicode block number
+ * @return the block data if found, else NULL
+ */
+UcdBlockData *uni_block_data(int blockNr);
+
 
-#endif /* __UCD_H__ */
 
            
+/**
+ * The Unicode codepoint blocks as defined in Blocks.txt.
+ * Block list has 171 entries
+ */
+typedef enum
+{
+    /*   0, 000000 - 00007f */  UCD_BLOCK_BASIC_LATIN,
+    /*   2, 000100 - 00017f */  UCD_BLOCK_LATIN_EXTENDED_A,
+    /*   4, 000250 - 0002af */  UCD_BLOCK_IPA_EXTENSIONS,
+    /*   6, 000300 - 00036f */  UCD_BLOCK_COMBINING_DIACRITICAL_MARKS,
+    /*   8, 000400 - 0004ff */  UCD_BLOCK_CYRILLIC,
+    /*  10, 000530 - 00058f */  UCD_BLOCK_ARMENIAN,
+    /*  12, 000600 - 0006ff */  UCD_BLOCK_ARABIC,
+    /*  14, 000750 - 00077f */  UCD_BLOCK_ARABIC_SUPPLEMENT,
+    /*  16, 0007c0 - 0007ff */  UCD_BLOCK_NKO,
+    /*  18, 000980 - 0009ff */  UCD_BLOCK_BENGALI,
+    /*  20, 000a80 - 000aff */  UCD_BLOCK_GUJARATI,
+    /*  22, 000b80 - 000bff */  UCD_BLOCK_TAMIL,
+    /*  24, 000c80 - 000cff */  UCD_BLOCK_KANNADA,
+    /*  26, 000d80 - 000dff */  UCD_BLOCK_SINHALA,
+    /*  28, 000e80 - 000eff */  UCD_BLOCK_LAO,
+    /*  30, 001000 - 00109f */  UCD_BLOCK_MYANMAR,
+    /*  32, 001100 - 0011ff */  UCD_BLOCK_HANGUL_JAMO,
+    /*  34, 001380 - 00139f */  UCD_BLOCK_ETHIOPIC_SUPPLEMENT,
+    /*  36, 001400 - 00167f */  UCD_BLOCK_UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS,
+    /*  38, 0016a0 - 0016ff */  UCD_BLOCK_RUNIC,
+    /*  40, 001720 - 00173f */  UCD_BLOCK_HANUNOO,
+    /*  42, 001760 - 00177f */  UCD_BLOCK_TAGBANWA,
+    /*  44, 001800 - 0018af */  UCD_BLOCK_MONGOLIAN,
+    /*  46, 001950 - 00197f */  UCD_BLOCK_TAI_LE,
+    /*  48, 0019e0 - 0019ff */  UCD_BLOCK_KHMER_SYMBOLS,
+    /*  50, 001b00 - 001b7f */  UCD_BLOCK_BALINESE,
+    /*  52, 001c00 - 001c4f */  UCD_BLOCK_LEPCHA,
+    /*  54, 001d00 - 001d7f */  UCD_BLOCK_PHONETIC_EXTENSIONS,
+    /*  56, 001dc0 - 001dff */  UCD_BLOCK_COMBINING_DIACRITICAL_MARKS_SUPPLEMENT,
+    /*  58, 001f00 - 001fff */  UCD_BLOCK_GREEK_EXTENDED,
+    /*  60, 002070 - 00209f */  UCD_BLOCK_SUPERSCRIPTS_AND_SUBSCRIPTS,
+    /*  62, 0020d0 - 0020ff */  UCD_BLOCK_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS,
+    /*  64, 002150 - 00218f */  UCD_BLOCK_NUMBER_FORMS,
+    /*  66, 002200 - 0022ff */  UCD_BLOCK_MATHEMATICAL_OPERATORS,
+    /*  68, 002400 - 00243f */  UCD_BLOCK_CONTROL_PICTURES,
+    /*  70, 002460 - 0024ff */  UCD_BLOCK_ENCLOSED_ALPHANUMERICS,
+    /*  72, 002580 - 00259f */  UCD_BLOCK_BLOCK_ELEMENTS,
+    /*  74, 002600 - 0026ff */  UCD_BLOCK_MISCELLANEOUS_SYMBOLS,
+    /*  76, 0027c0 - 0027ef */  UCD_BLOCK_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A,
+    /*  78, 002800 - 0028ff */  UCD_BLOCK_BRAILLE_PATTERNS,
+    /*  80, 002980 - 0029ff */  UCD_BLOCK_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B,
+    /*  82, 002b00 - 002bff */  UCD_BLOCK_MISCELLANEOUS_SYMBOLS_AND_ARROWS,
+    /*  84, 002c60 - 002c7f */  UCD_BLOCK_LATIN_EXTENDED_C,
+    /*  86, 002d00 - 002d2f */  UCD_BLOCK_GEORGIAN_SUPPLEMENT,
+    /*  88, 002d80 - 002ddf */  UCD_BLOCK_ETHIOPIC_EXTENDED,
+    /*  90, 002e00 - 002e7f */  UCD_BLOCK_SUPPLEMENTAL_PUNCTUATION,
+    /*  92, 002f00 - 002fdf */  UCD_BLOCK_KANGXI_RADICALS,
+    /*  94, 003000 - 00303f */  UCD_BLOCK_CJK_SYMBOLS_AND_PUNCTUATION,
+    /*  96, 0030a0 - 0030ff */  UCD_BLOCK_KATAKANA,
+    /*  98, 003130 - 00318f */  UCD_BLOCK_HANGUL_COMPATIBILITY_JAMO,
+    /* 100, 0031a0 - 0031bf */  UCD_BLOCK_BOPOMOFO_EXTENDED,
+    /* 102, 0031f0 - 0031ff */  UCD_BLOCK_KATAKANA_PHONETIC_EXTENSIONS,
+    /* 104, 003300 - 0033ff */  UCD_BLOCK_CJK_COMPATIBILITY,
+    /* 106, 004dc0 - 004dff */  UCD_BLOCK_YIJING_HEXAGRAM_SYMBOLS,
+    /* 108, 00a000 - 00a48f */  UCD_BLOCK_YI_SYLLABLES,
+    /* 110, 00a500 - 00a63f */  UCD_BLOCK_VAI,
+    /* 112, 00a700 - 00a71f */  UCD_BLOCK_MODIFIER_TONE_LETTERS,
+    /* 114, 00a800 - 00a82f */  UCD_BLOCK_SYLOTI_NAGRI,
+    /* 116, 00a880 - 00a8df */  UCD_BLOCK_SAURASHTRA,
+    /* 118, 00a930 - 00a95f */  UCD_BLOCK_REJANG,
+    /* 120, 00ac00 - 00d7af */  UCD_BLOCK_HANGUL_SYLLABLES,
+    /* 122, 00db80 - 00dbff */  UCD_BLOCK_HIGH_PRIVATE_USE_SURROGATES,
+    /* 124, 00e000 - 00f8ff */  UCD_BLOCK_PRIVATE_USE_AREA,
+    /* 126, 00fb00 - 00fb4f */  UCD_BLOCK_ALPHABETIC_PRESENTATION_FORMS,
+    /* 128, 00fe00 - 00fe0f */  UCD_BLOCK_VARIATION_SELECTORS,
+    /* 130, 00fe20 - 00fe2f */  UCD_BLOCK_COMBINING_HALF_MARKS,
+    /* 132, 00fe50 - 00fe6f */  UCD_BLOCK_SMALL_FORM_VARIANTS,
+    /* 134, 00ff00 - 00ffef */  UCD_BLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS,
+    /* 136, 010000 - 01007f */  UCD_BLOCK_LINEAR_B_SYLLABARY,
+    /* 138, 010100 - 01013f */  UCD_BLOCK_AEGEAN_NUMBERS,
+    /* 140, 010190 - 0101cf */  UCD_BLOCK_ANCIENT_SYMBOLS,
+    /* 142, 010280 - 01029f */  UCD_BLOCK_LYCIAN,
+    /* 144, 010300 - 01032f */  UCD_BLOCK_OLD_ITALIC,
+    /* 146, 010380 - 01039f */  UCD_BLOCK_UGARITIC,
+    /* 148, 010400 - 01044f */  UCD_BLOCK_DESERET,
+    /* 150, 010480 - 0104af */  UCD_BLOCK_OSMANYA,
+    /* 152, 010900 - 01091f */  UCD_BLOCK_PHOENICIAN,
+    /* 154, 010a00 - 010a5f */  UCD_BLOCK_KHAROSHTHI,
+    /* 156, 012400 - 01247f */  UCD_BLOCK_CUNEIFORM_NUMBERS_AND_PUNCTUATION,
+    /* 158, 01d100 - 01d1ff */  UCD_BLOCK_MUSICAL_SYMBOLS,
+    /* 160, 01d300 - 01d35f */  UCD_BLOCK_TAI_XUAN_JING_SYMBOLS,
+    /* 162, 01d400 - 01d7ff */  UCD_BLOCK_MATHEMATICAL_ALPHANUMERIC_SYMBOLS,
+    /* 164, 01f030 - 01f09f */  UCD_BLOCK_DOMINO_TILES,
+    /* 166, 02f800 - 02fa1f */  UCD_BLOCK_CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT,
+    /* 168, 0e0100 - 0e01ef */  UCD_BLOCK_VARIATION_SELECTORS_SUPPLEMENT,
+    /* 170, 100000 - 10ffff */  UCD_BLOCK_SUPPLEMENTARY_PRIVATE_USE_AREA_B,
+    /* 171, 000000 - 10ffff */  UCD_BLOCK_NO_BLOCK
+} UnicodeBlocks;
+
+
+#endif /* __UCD_H__ */
+
+