1999-11-20 01:14:07 +00:00
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/*
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*******************************************************************************
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1999-12-13 22:28:37 +00:00
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*
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* Copyright (C) 1999, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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1999-11-20 01:14:07 +00:00
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*******************************************************************************
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* file name: gennames.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 1999sep30
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* created by: Markus W. Scherer
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*
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* This program reads the Unicode character database text file,
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* parses it, and extracts the character code,
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* the "modern" character name, and optionally the
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* Unicode 1.0 character name.
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* It then tokenizes and compresses the names and builds
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* compact binary tables for random-access lookup
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* in a u_charName() API function.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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1999-12-28 23:57:50 +00:00
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#include "unicode/utypes.h"
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1999-11-20 01:14:07 +00:00
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#include "cmemory.h"
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#include "cstring.h"
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#include "filestrm.h"
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1999-12-28 23:57:50 +00:00
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#include "unicode/udata.h"
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1999-11-23 04:47:57 +00:00
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#include "unewdata.h"
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1999-11-20 01:14:07 +00:00
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#define STRING_STORE_SIZE 1000000
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#define GROUP_STORE_SIZE 5000
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#define GROUP_SHIFT 5
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#define LINES_PER_GROUP (1UL<<GROUP_SHIFT)
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#define GROUP_MASK (LINES_PER_GROUP-1)
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#define MAX_LINE_COUNT 50000
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#define MAX_WORD_COUNT 20000
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#define MAX_GROUP_COUNT 5000
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#define DATA_NAME "unames"
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#define DATA_TYPE "dat"
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#define VERSION_STRING "unam"
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#define NAME_SEPARATOR_CHAR ';'
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/* UDataInfo cf. udata.h */
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static const UDataInfo dataInfo={
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sizeof(UDataInfo),
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0,
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U_IS_BIG_ENDIAN,
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U_CHARSET_FAMILY,
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sizeof(UChar),
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0,
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0x75, 0x6e, 0x61, 0x6d, /* dataFormat="unam" */
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1, 0, 0, 0, /* formatVersion */
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3, 0, 0, 0 /* dataVersion */
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};
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static bool_t beVerbose=FALSE, haveCopyright=TRUE;
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static uint8_t stringStore[STRING_STORE_SIZE],
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groupStore[GROUP_STORE_SIZE],
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lineLengths[LINES_PER_GROUP];
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static uint32_t lineTop=0, wordBottom=STRING_STORE_SIZE, lineLengthsTop;
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typedef struct {
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uint32_t code;
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int16_t length;
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uint8_t *s;
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} Line;
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typedef struct {
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1999-11-24 19:26:28 +00:00
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int32_t weight; /* -(cost for token) + (number of occurences) * (length-1) */
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1999-11-20 01:14:07 +00:00
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int16_t count;
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int16_t length;
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uint8_t *s;
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} Word;
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static Line lines[MAX_LINE_COUNT];
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static Word words[MAX_WORD_COUNT];
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static uint32_t lineCount=0, wordCount=0, groupCount=0;
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static int16_t leadByteCount;
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#define LEADBYTE_LIMIT 16
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static int16_t tokens[LEADBYTE_LIMIT*256];
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static uint32_t tokenCount;
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/* prototypes --------------------------------------------------------------- */
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static void
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init();
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static void
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parseDB(FileStream *in, bool_t store10Names);
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static void
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parseName(char *name, int16_t length);
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static int16_t
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getField(char *line, int16_t start, int16_t limit);
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static int16_t
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skipNoise(char *line, int16_t start, int16_t limit);
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static int16_t
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getWord(char *line, int16_t start, int16_t limit);
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static void
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compress();
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static void
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compressLines();
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static int16_t
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compressLine(uint8_t *s, int16_t length, int16_t *pGroupTop);
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static int
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compareWords(const void *word1, const void *word2);
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static void
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2000-02-29 18:42:28 +00:00
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generateData(const char *dataDir);
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1999-11-20 01:14:07 +00:00
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static uint32_t
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generateAlgorithmicData(UNewDataMemory *pData);
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static int16_t
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findToken(uint8_t *s, int16_t length);
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static Word *
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findWord(char *s, int16_t length);
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static Word *
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addWord(char *s, int16_t length);
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static void
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countWord(Word *word);
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static void
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addLine(uint32_t code, char *name1, int16_t name1Length, char *name2, int16_t name2Length);
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static void
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addGroup(uint32_t groupMSB, uint8_t *strings, int16_t length);
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static uint32_t
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addToken(uint8_t *s, int16_t length);
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static void
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appendLineLength(int16_t length);
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static void
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appendLineLengthNibble(uint8_t nibble);
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static uint8_t *
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allocLine(uint32_t length);
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static uint8_t *
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allocWord(uint32_t length);
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/* -------------------------------------------------------------------------- */
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extern int
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main(int argc, char *argv[]) {
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FileStream *in;
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char *arg, *filename=NULL;
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2000-02-29 18:42:28 +00:00
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const char *destdir = 0;
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1999-11-20 01:14:07 +00:00
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int i;
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bool_t store10Names=FALSE;
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if(argc<=1) {
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fprintf(stderr,
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"usage: %s [-1[+|-]] [-v[+|-]] [-c[+|-]] filename\n"
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"\tread the UnicodeData.txt file and \n"
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"\tcreate a binary file " DATA_NAME "." DATA_TYPE " with the character names\n"
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"\toptions:\n"
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"\t\t-1[-] do not store Unicode 1.0 character names (default)\n"
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"\t\t-1+ do store Unicode 1.0 character names\n"
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"\t\t-v[+|-] verbose output\n"
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"\t\t-c[+|-] do (not) include a copyright notice\n"
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"\t\tfilename absolute path/filename for the\n"
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"\t\t\tUnicode database text file (default: standard input)\n",
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argv[0]);
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}
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for(i=1; i<argc; ++i) {
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arg=argv[i];
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if(arg[0]=='-') {
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switch(arg[1]) {
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case '1':
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store10Names= arg[2]=='+';
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break;
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case 'v':
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beVerbose= arg[2]=='+';
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break;
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case 'c':
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haveCopyright= arg[2]=='+';
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break;
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default:
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break;
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}
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} else {
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filename=arg;
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}
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}
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if(filename==NULL) {
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in=T_FileStream_stdin();
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} else {
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in=T_FileStream_open(filename, "r");
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if(in==NULL) {
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fprintf(stderr, "gennames: unable to open input file %s\n", filename);
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exit(U_FILE_ACCESS_ERROR);
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}
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}
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2000-02-29 18:42:28 +00:00
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if (!destdir) {
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destdir = u_getDataDirectory();
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}
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1999-11-20 01:14:07 +00:00
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init();
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parseDB(in, store10Names);
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compress();
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2000-02-29 18:42:28 +00:00
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generateData(destdir);
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1999-11-20 01:14:07 +00:00
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if(in!=T_FileStream_stdin()) {
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T_FileStream_close(in);
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}
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return 0;
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}
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static void
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init() {
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int i;
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for(i=0; i<256; ++i) {
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tokens[i]=0;
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}
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}
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/* parsing ------------------------------------------------------------------ */
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static void
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parseDB(FileStream *in, bool_t store10Names) {
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char line[300];
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uint32_t code=0;
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int16_t limit, length, name1Start, name1Length, name2Start, name2Length=0;
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int i;
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while(T_FileStream_readLine(in, line, sizeof(line))!=NULL) {
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1999-12-28 23:57:50 +00:00
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length=uprv_strlen(line);
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1999-11-20 01:14:07 +00:00
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/* get the character code */
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limit=getField(line, 0, length);
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if(limit<1 || limit==length) {
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fprintf(stderr, "gennames: too few fields at code 0x%lx\n", code);
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exit(U_PARSE_ERROR);
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}
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1999-12-28 23:57:50 +00:00
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code=uprv_strtoul(line, NULL, 16);
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1999-11-20 01:14:07 +00:00
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/* get the character name */
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name1Start=limit+1;
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if(name1Start>=length) {
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fprintf(stderr, "gennames: too few fields at code 0x%lx\n", code);
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exit(U_PARSE_ERROR);
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}
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limit=getField(line, name1Start, length);
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/* do not store pseudo-names in <> brackets */
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if(line[name1Start]!='<') {
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name1Length=limit-name1Start;
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} else {
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name1Length=0;
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}
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if(store10Names) {
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/* skip 8 fields and get the following one */
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for(i=0; i<9; ++i) {
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name2Start=limit+1;
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if(name2Start>=length) {
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fprintf(stderr, "gennames: too few fields at code 0x%lx\n", code);
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exit(U_PARSE_ERROR);
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}
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limit=getField(line, name2Start, length);
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}
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/* get the second character name, the one from Unicode 1.0 */
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/* do not store pseudo-names in <> brackets */
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if(line[name2Start]!='<') {
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name2Length=limit-name2Start;
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} else {
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name2Length=0;
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}
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}
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if(name1Length>0 || name2Length>0) {
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/* printf("%lx:%.*s(%.*s)\n", code, name1Length, line+name1Start, name2Length, line+name2Start); */
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parseName(line+name1Start, name1Length);
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parseName(line+name2Start, name2Length);
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addLine(code, line+name1Start, name1Length, line+name2Start, name2Length);
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}
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}
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printf("size of all names in the database: %lu\n", lineTop);
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printf("number of named Unicode characters: %lu\n", lineCount);
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printf("number of words in the dictionary from these names: %lu\n", wordCount);
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}
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static void
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parseName(char *name, int16_t length) {
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int16_t start=0, limit, wordLength/*, prevStart=-1*/;
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Word *word;
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while(start<length) {
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/* skip any "noise" characters */
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limit=skipNoise(name, start, length);
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if(start<limit) {
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/*prevStart=-1;*/
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start=limit;
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}
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if(start==length) {
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break;
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}
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/* get a word and add it if it is longer than 1 */
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limit=getWord(name, start, length);
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wordLength=limit-start;
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if(wordLength>1) {
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word=findWord(name+start, wordLength);
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if(word==NULL) {
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word=addWord(name+start, wordLength);
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}
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countWord(word);
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}
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#if 0
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/*
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* if there was a word before this
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* (with no noise in between), then add the pair of words, too
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*/
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if(prevStart!=-1) {
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wordLength=limit-prevStart;
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word=findWord(name+prevStart, wordLength);
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if(word==NULL) {
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word=addWord(name+prevStart, wordLength);
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}
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countWord(word);
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}
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#endif
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/*prevStart=start;*/
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start=limit;
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}
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}
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static int16_t
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getField(char *line, int16_t start, int16_t limit) {
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while(start<limit && line[start]!=';') {
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++start;
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}
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return start;
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}
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static int16_t
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skipNoise(char *line, int16_t start, int16_t limit) {
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char c;
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/* skip anything that is not part of a word in this sense */
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while(start<limit && !('A'<=(c=line[start]) && c<='Z' || '0'<=c && c<='9')) {
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++start;
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}
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return start;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int16_t
|
|
|
|
getWord(char *line, int16_t start, int16_t limit) {
|
|
|
|
char c;
|
|
|
|
|
|
|
|
/* a unicode character name word consists of A-Z0-9 */
|
|
|
|
while(start<limit && ('A'<=(c=line[start]) && c<='Z' || '0'<=c && c<='9')) {
|
|
|
|
++start;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* include a following space or dash */
|
|
|
|
if(start<limit && (c==' ' || c=='-')) {
|
|
|
|
++start;
|
|
|
|
}
|
|
|
|
|
|
|
|
return start;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* compressing -------------------------------------------------------------- */
|
|
|
|
|
|
|
|
static void
|
|
|
|
compress() {
|
|
|
|
uint32_t i, letterCount;
|
|
|
|
int16_t wordNumber;
|
|
|
|
|
|
|
|
/* sort the words in reverse order by weight */
|
|
|
|
qsort(words, wordCount, sizeof(Word), compareWords);
|
|
|
|
|
|
|
|
/* remove the words that do not save anything */
|
|
|
|
while(wordCount>0 && words[wordCount-1].weight<1) {
|
|
|
|
--wordCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* count the letters in the token range */
|
|
|
|
letterCount=0;
|
|
|
|
for(i=LEADBYTE_LIMIT; i<256; ++i) {
|
|
|
|
if(tokens[i]==-1) {
|
|
|
|
++letterCount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
printf("number of letters used in the names: %d\n", letterCount);
|
|
|
|
|
|
|
|
/* do we need double-byte tokens? */
|
|
|
|
if(wordCount+letterCount<=256) {
|
|
|
|
/* no, single-byte tokens are enough */
|
|
|
|
leadByteCount=0;
|
|
|
|
for(i=0, wordNumber=0; wordNumber<(int16_t)wordCount; ++i) {
|
|
|
|
if(tokens[i]!=-1) {
|
|
|
|
tokens[i]=wordNumber;
|
|
|
|
if(beVerbose) {
|
|
|
|
printf("tokens[0x%03x]: word%8ld \"%.*s\"\n",
|
|
|
|
i, words[wordNumber].weight,
|
|
|
|
words[wordNumber].length, words[wordNumber].s);
|
|
|
|
}
|
|
|
|
++wordNumber;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
tokenCount=i;
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* The tokens that need two token bytes
|
|
|
|
* get their weight reduced by their count
|
|
|
|
* because they save less.
|
|
|
|
*/
|
|
|
|
tokenCount=256-letterCount;
|
|
|
|
for(i=tokenCount; i<wordCount; ++i) {
|
|
|
|
words[i].weight-=words[i].count;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* sort these words in reverse order by weight */
|
|
|
|
qsort(words+tokenCount, wordCount-tokenCount, sizeof(Word), compareWords);
|
|
|
|
|
|
|
|
/* remove the words that do not save anything */
|
|
|
|
while(wordCount>0 && words[wordCount-1].weight<1) {
|
|
|
|
--wordCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* how many tokens and lead bytes do we have now? */
|
|
|
|
tokenCount=wordCount+letterCount+(LEADBYTE_LIMIT-1);
|
|
|
|
leadByteCount=(int16_t)(tokenCount>>8);
|
|
|
|
if(leadByteCount<LEADBYTE_LIMIT) {
|
|
|
|
/* adjust for the real number of lead bytes */
|
|
|
|
tokenCount-=(LEADBYTE_LIMIT-1)-leadByteCount;
|
|
|
|
} else {
|
|
|
|
/* limit the number of lead bytes */
|
|
|
|
leadByteCount=LEADBYTE_LIMIT-1;
|
|
|
|
tokenCount=LEADBYTE_LIMIT*256;
|
|
|
|
wordCount=tokenCount-letterCount-(LEADBYTE_LIMIT-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set token 0 to word 0 */
|
|
|
|
tokens[0]=0;
|
|
|
|
if(beVerbose) {
|
|
|
|
printf("tokens[0x000]: word%8ld \"%.*s\"\n",
|
|
|
|
words[0].weight,
|
|
|
|
words[0].length, words[0].s);
|
|
|
|
}
|
|
|
|
wordNumber=1;
|
|
|
|
|
|
|
|
/* set the lead byte tokens */
|
|
|
|
for(i=1; (int16_t)i<=leadByteCount; ++i) {
|
|
|
|
tokens[i]=-2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set the tokens */
|
|
|
|
for(; i<256; ++i) {
|
|
|
|
if(tokens[i]!=-1) {
|
|
|
|
tokens[i]=wordNumber;
|
|
|
|
if(beVerbose) {
|
|
|
|
printf("tokens[0x%03x]: word%8ld \"%.*s\"\n",
|
|
|
|
i, words[wordNumber].weight,
|
|
|
|
words[wordNumber].length, words[wordNumber].s);
|
|
|
|
}
|
|
|
|
++wordNumber;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* continue above 255 where there are no letters */
|
|
|
|
for(; i<tokenCount; ++i) {
|
|
|
|
tokens[i]=wordNumber;
|
|
|
|
if(beVerbose) {
|
|
|
|
printf("tokens[0x%03x]: word%8ld \"%.*s\"\n",
|
|
|
|
i, words[wordNumber].weight,
|
|
|
|
words[wordNumber].length, words[wordNumber].s);
|
|
|
|
}
|
|
|
|
++wordNumber;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
printf("number of lead bytes: %d\n", leadByteCount);
|
|
|
|
printf("number of single-byte tokens: %lu\n", 256-letterCount-leadByteCount);
|
|
|
|
printf("number of tokens: %lu\n", tokenCount);
|
|
|
|
|
|
|
|
compressLines();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
compressLines() {
|
|
|
|
Line *line;
|
|
|
|
uint32_t i=0, inLine, outLine=-1,
|
|
|
|
groupMSB=0xffff, lineCount2;
|
|
|
|
int16_t groupTop=0;
|
|
|
|
|
|
|
|
/* store the groups like lines, reusing the lines' memory */
|
|
|
|
lineTop=0;
|
|
|
|
lineCount2=lineCount;
|
|
|
|
lineCount=0;
|
|
|
|
|
|
|
|
/* loop over all lines */
|
|
|
|
while(i<lineCount2) {
|
|
|
|
line=lines+i++;
|
|
|
|
inLine=line->code;
|
|
|
|
|
|
|
|
/* segment the lines to groups of 32 */
|
|
|
|
if(inLine>>GROUP_SHIFT!=groupMSB) {
|
|
|
|
/* finish the current group with empty lines */
|
|
|
|
while((++outLine&GROUP_MASK)!=0) {
|
|
|
|
appendLineLength(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* store the group like a line */
|
|
|
|
if(groupTop>0) {
|
|
|
|
if(groupTop>GROUP_STORE_SIZE) {
|
|
|
|
fprintf(stderr, "gennames: group store overflow\n");
|
|
|
|
exit(U_BUFFER_OVERFLOW_ERROR);
|
|
|
|
}
|
|
|
|
addGroup(groupMSB, groupStore, groupTop);
|
|
|
|
if(lineTop>(uint32_t)(line->s-stringStore)) {
|
|
|
|
fprintf(stderr, "gennames: group store runs into string store\n");
|
|
|
|
exit(U_INTERNAL_PROGRAM_ERROR);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* start the new group */
|
|
|
|
lineLengthsTop=0;
|
|
|
|
groupTop=0;
|
|
|
|
groupMSB=inLine>>GROUP_SHIFT;
|
|
|
|
outLine=(inLine&~GROUP_MASK)-1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write empty lines between the previous line in the group and this one */
|
|
|
|
while(++outLine<inLine) {
|
|
|
|
appendLineLength(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write characters and tokens for this line */
|
|
|
|
appendLineLength(compressLine(line->s, line->length, &groupTop));
|
|
|
|
}
|
|
|
|
|
|
|
|
printf("number of groups: %lu\n", lineCount);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int16_t
|
|
|
|
compressLine(uint8_t *s, int16_t length, int16_t *pGroupTop) {
|
|
|
|
int16_t start, limit, token, groupTop=*pGroupTop;
|
|
|
|
|
|
|
|
start=0;
|
|
|
|
do {
|
|
|
|
/* write any "noise" characters */
|
|
|
|
limit=skipNoise((char *)s, start, length);
|
|
|
|
while(start<limit) {
|
|
|
|
groupStore[groupTop++]=s[start++];
|
|
|
|
}
|
|
|
|
|
|
|
|
if(start==length) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write a word, as token or directly */
|
|
|
|
limit=getWord((char *)s, start, length);
|
|
|
|
if(limit-start==1) {
|
|
|
|
groupStore[groupTop++]=s[start++];
|
|
|
|
} else {
|
|
|
|
token=findToken(s+start, (int16_t)(limit-start));
|
|
|
|
if(token!=-1) {
|
|
|
|
if(token>0xff) {
|
|
|
|
groupStore[groupTop++]=(uint8_t)(token>>8);
|
|
|
|
}
|
|
|
|
groupStore[groupTop++]=(uint8_t)token;
|
|
|
|
start=limit;
|
|
|
|
} else {
|
|
|
|
while(start<limit) {
|
|
|
|
groupStore[groupTop++]=s[start++];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} while(start<length);
|
|
|
|
|
|
|
|
length=groupTop-*pGroupTop;
|
|
|
|
*pGroupTop=groupTop;
|
|
|
|
return length;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
compareWords(const void *word1, const void *word2) {
|
|
|
|
/* reverse sort by word weight */
|
|
|
|
return ((Word *)word2)->weight-((Word *)word1)->weight;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* generate output data ----------------------------------------------------- */
|
|
|
|
|
|
|
|
static void
|
2000-02-29 18:42:28 +00:00
|
|
|
generateData(const char *dataDir) {
|
1999-11-20 01:14:07 +00:00
|
|
|
UNewDataMemory *pData;
|
|
|
|
UErrorCode errorCode=U_ZERO_ERROR;
|
|
|
|
uint16_t groupWords[3];
|
|
|
|
uint32_t i, groupTop=lineTop, offset, size,
|
|
|
|
tokenStringOffset, groupsOffset, groupStringOffset, algNamesOffset;
|
|
|
|
long dataLength;
|
|
|
|
int16_t token;
|
|
|
|
|
2000-03-04 01:19:19 +00:00
|
|
|
pData=udata_create(dataDir, DATA_TYPE, DATA_NAME, &dataInfo,
|
1999-12-13 22:28:37 +00:00
|
|
|
haveCopyright ? U_COPYRIGHT_STRING : NULL, &errorCode);
|
1999-11-20 01:14:07 +00:00
|
|
|
if(U_FAILURE(errorCode)) {
|
|
|
|
fprintf(stderr, "gennames: unable to create data memory, error %d\n", errorCode);
|
|
|
|
exit(errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* first, see how much space we need, and prepare the token strings */
|
|
|
|
for(i=0; i<tokenCount; ++i) {
|
|
|
|
token=tokens[i];
|
|
|
|
if(token!=-1 && token!=-2) {
|
|
|
|
tokens[i]=(int16_t)(addToken(words[token].s, words[token].length)-groupTop);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Calculate the total size in bytes of the data including:
|
|
|
|
* - the offset to the token strings, uint32_t (4)
|
|
|
|
* - the offset to the group table, uint32_t (4)
|
|
|
|
* - the offset to the group strings, uint32_t (4)
|
|
|
|
* - the offset to the algorithmic names, uint32_t (4)
|
|
|
|
*
|
|
|
|
* - the number of tokens, uint16_t (2)
|
|
|
|
* - the token table, uint16_t[tokenCount] (2*tokenCount)
|
|
|
|
*
|
|
|
|
* - the token strings, each zero-terminated (tokenSize=(lineTop-groupTop)), 2-padded
|
|
|
|
*
|
|
|
|
* - the number of groups, uint16_t (2)
|
|
|
|
* - the group table, { uint16_t groupMSB, uint16_t offsetHigh, uint16_t offsetLow }[6*groupCount]
|
|
|
|
*
|
|
|
|
* - the group strings (groupTop), 2-padded
|
|
|
|
*
|
|
|
|
* - the size of the data for the algorithmic names
|
|
|
|
*/
|
|
|
|
tokenStringOffset=4+4+4+4+2+2*tokenCount;
|
|
|
|
groupsOffset=tokenStringOffset+(lineTop-groupTop+1)&~1;
|
|
|
|
groupStringOffset=groupsOffset+2+6*lineCount;
|
|
|
|
algNamesOffset=(groupStringOffset+groupTop+3)&~3;
|
|
|
|
|
|
|
|
offset=generateAlgorithmicData(NULL);
|
|
|
|
size=algNamesOffset+offset;
|
|
|
|
|
|
|
|
printf("size of the Unicode Names data:\n"
|
|
|
|
"total data length %lu, token strings %lu, compressed strings %lu, algorithmic names %lu\n",
|
|
|
|
size, (lineTop-groupTop), groupTop, offset);
|
|
|
|
|
|
|
|
/* write the data to the file */
|
|
|
|
/* offsets */
|
|
|
|
udata_write32(pData, tokenStringOffset);
|
|
|
|
udata_write32(pData, groupsOffset);
|
|
|
|
udata_write32(pData, groupStringOffset);
|
|
|
|
udata_write32(pData, algNamesOffset);
|
|
|
|
|
|
|
|
/* token table */
|
|
|
|
udata_write16(pData, (uint16_t)tokenCount);
|
|
|
|
udata_writeBlock(pData, tokens, 2*tokenCount);
|
|
|
|
|
|
|
|
/* token strings */
|
|
|
|
udata_writeBlock(pData, stringStore+groupTop, lineTop-groupTop);
|
|
|
|
if((lineTop-groupTop)&1) {
|
|
|
|
/* 2-padding */
|
1999-12-07 18:01:09 +00:00
|
|
|
udata_writePadding(pData, 1);
|
1999-11-20 01:14:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* group table */
|
|
|
|
udata_write16(pData, (uint16_t)lineCount);
|
|
|
|
for(i=0; i<lineCount; ++i) {
|
|
|
|
/* groupMSB */
|
|
|
|
groupWords[0]=(uint16_t)lines[i].code;
|
|
|
|
|
|
|
|
/* offset */
|
|
|
|
offset=lines[i].s-stringStore;
|
|
|
|
groupWords[1]=(uint16_t)(offset>>16);
|
|
|
|
groupWords[2]=(uint16_t)(offset);
|
|
|
|
udata_writeBlock(pData, groupWords, 6);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* group strings */
|
|
|
|
udata_writeBlock(pData, stringStore, groupTop);
|
|
|
|
|
|
|
|
/* 4-align the algorithmic names data */
|
1999-12-07 18:01:09 +00:00
|
|
|
udata_writePadding(pData, algNamesOffset-(groupStringOffset+groupTop));
|
1999-11-20 01:14:07 +00:00
|
|
|
|
|
|
|
generateAlgorithmicData(pData);
|
|
|
|
|
|
|
|
/* finish up */
|
|
|
|
dataLength=udata_finish(pData, &errorCode);
|
|
|
|
if(U_FAILURE(errorCode)) {
|
|
|
|
fprintf(stderr, "gennames: error %d writing the output file\n", errorCode);
|
|
|
|
exit(errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(dataLength!=(long)size) {
|
|
|
|
fprintf(stderr, "gennames: data length %ld != calculated size %lu\n", dataLength, size);
|
|
|
|
exit(U_INTERNAL_PROGRAM_ERROR);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* the structure for algorithmic names needs to be 4-aligned */
|
|
|
|
typedef struct AlgorithmicRange {
|
|
|
|
uint32_t rangeStart, rangeEnd;
|
|
|
|
uint8_t algorithmType, algorithmVariant;
|
|
|
|
uint16_t rangeSize;
|
|
|
|
} AlgorithmicRange;
|
|
|
|
|
|
|
|
static uint32_t
|
|
|
|
generateAlgorithmicData(UNewDataMemory *pData) {
|
|
|
|
static char *prefix="CJK UNIFIED IDEOGRAPH-";
|
|
|
|
# define PREFIX_LENGTH 23
|
|
|
|
# define PREFIX_LENGTH_4 24
|
|
|
|
|
|
|
|
static AlgorithmicRange cjkExtA={
|
|
|
|
0x3400, 0x4db5,
|
|
|
|
0, 4,
|
|
|
|
sizeof(AlgorithmicRange)+PREFIX_LENGTH_4
|
|
|
|
};
|
|
|
|
static AlgorithmicRange cjk={
|
|
|
|
0x4e00, 0x9fa5,
|
|
|
|
0, 4,
|
|
|
|
sizeof(AlgorithmicRange)+PREFIX_LENGTH_4
|
|
|
|
};
|
|
|
|
|
1999-12-15 21:42:15 +00:00
|
|
|
static char jamo[]=
|
1999-11-20 01:14:07 +00:00
|
|
|
"HANGUL SYLLABLE \0"
|
|
|
|
|
|
|
|
"G\0GG\0N\0D\0DD\0R\0M\0B\0BB\0"
|
|
|
|
"S\0SS\0\0J\0JJ\0C\0K\0T\0P\0H\0"
|
|
|
|
|
|
|
|
"A\0AE\0YA\0YAE\0EO\0E\0YEO\0YE\0O\0"
|
|
|
|
"WA\0WAE\0OE\0YO\0U\0WEO\0WE\0WI\0"
|
|
|
|
"YU\0EU\0YI\0I\0"
|
|
|
|
|
|
|
|
"\0G\0GG\0GS\0N\0NJ\0NH\0D\0L\0LG\0LM\0"
|
|
|
|
"LB\0LS\0LT\0LP\0LH\0M\0B\0BS\0"
|
|
|
|
"S\0SS\0NG\0J\0C\0K\0T\0P\0H"
|
1999-12-15 21:42:15 +00:00
|
|
|
;
|
1999-11-20 01:14:07 +00:00
|
|
|
|
|
|
|
static AlgorithmicRange hangul={
|
|
|
|
0xac00, 0xd7a3,
|
|
|
|
1, 3,
|
|
|
|
sizeof(AlgorithmicRange)+6+sizeof(jamo)
|
|
|
|
};
|
|
|
|
|
|
|
|
/* modulo factors, maximum 8 */
|
|
|
|
/* 3 factors: 19, 21, 28, most-to-least-significant */
|
|
|
|
static uint16_t hangulFactors[3]={
|
|
|
|
19, 21, 28
|
|
|
|
};
|
|
|
|
|
|
|
|
uint32_t size;
|
|
|
|
|
|
|
|
size=0;
|
|
|
|
|
|
|
|
/* number of ranges of algorithmic names */
|
|
|
|
if(pData!=NULL) {
|
|
|
|
udata_write32(pData, 3);
|
|
|
|
} else {
|
|
|
|
size+=4;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* each range:
|
|
|
|
* uint32_t rangeStart
|
|
|
|
* uint32_t rangeEnd
|
|
|
|
* uint8_t algorithmType
|
|
|
|
* uint8_t algorithmVariant
|
|
|
|
* uint16_t size of range data
|
|
|
|
* uint8_t[size] data
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* range 0: cjk extension a */
|
|
|
|
if(pData!=NULL) {
|
|
|
|
udata_writeBlock(pData, &cjkExtA, sizeof(AlgorithmicRange));
|
|
|
|
udata_writeString(pData, prefix, PREFIX_LENGTH);
|
|
|
|
if(PREFIX_LENGTH<PREFIX_LENGTH_4) {
|
1999-12-07 18:01:09 +00:00
|
|
|
udata_writePadding(pData, PREFIX_LENGTH_4-PREFIX_LENGTH);
|
1999-11-20 01:14:07 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
size+=sizeof(AlgorithmicRange)+PREFIX_LENGTH_4;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* range 1: cjk */
|
|
|
|
if(pData!=NULL) {
|
|
|
|
udata_writeBlock(pData, &cjk, sizeof(AlgorithmicRange));
|
|
|
|
udata_writeString(pData, prefix, PREFIX_LENGTH);
|
|
|
|
if(PREFIX_LENGTH<PREFIX_LENGTH_4) {
|
1999-12-07 18:01:09 +00:00
|
|
|
udata_writePadding(pData, PREFIX_LENGTH_4-PREFIX_LENGTH);
|
1999-11-20 01:14:07 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
size+=sizeof(AlgorithmicRange)+PREFIX_LENGTH_4;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* range 2: hangul syllables */
|
|
|
|
if(pData!=NULL) {
|
|
|
|
udata_writeBlock(pData, &hangul, sizeof(AlgorithmicRange));
|
|
|
|
udata_writeBlock(pData, hangulFactors, 6);
|
|
|
|
udata_writeString(pData, jamo, sizeof(jamo));
|
|
|
|
} else {
|
|
|
|
size+=sizeof(AlgorithmicRange)+6+sizeof(jamo);
|
|
|
|
}
|
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* helpers ------------------------------------------------------------------ */
|
|
|
|
|
|
|
|
static int16_t
|
|
|
|
findToken(uint8_t *s, int16_t length) {
|
|
|
|
int16_t i, token;
|
|
|
|
|
|
|
|
for(i=0; i<(int16_t)tokenCount; ++i) {
|
|
|
|
token=tokens[i];
|
1999-12-28 23:57:50 +00:00
|
|
|
if(token!=-1 && length==words[token].length && 0==uprv_memcmp(s, words[token].s, length)) {
|
1999-11-20 01:14:07 +00:00
|
|
|
return i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static Word *
|
|
|
|
findWord(char *s, int16_t length) {
|
|
|
|
uint32_t i;
|
|
|
|
|
|
|
|
for(i=0; i<wordCount; ++i) {
|
1999-12-28 23:57:50 +00:00
|
|
|
if(length==words[i].length && 0==uprv_memcmp(s, words[i].s, length)) {
|
1999-11-20 01:14:07 +00:00
|
|
|
return words+i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static Word *
|
|
|
|
addWord(char *s, int16_t length) {
|
|
|
|
uint8_t *stringStart;
|
|
|
|
Word *word;
|
|
|
|
|
|
|
|
if(wordCount==MAX_WORD_COUNT) {
|
|
|
|
fprintf(stderr, "gennames: too many words\n");
|
|
|
|
exit(U_BUFFER_OVERFLOW_ERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
stringStart=allocWord(length);
|
1999-12-28 23:57:50 +00:00
|
|
|
uprv_memcpy(stringStart, s, length);
|
1999-11-20 01:14:07 +00:00
|
|
|
|
|
|
|
word=words+wordCount;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the weight with the costs for this token:
|
|
|
|
* a zero-terminated string and a 16-bit offset.
|
|
|
|
*/
|
|
|
|
word->weight=-(length+1+2);
|
|
|
|
word->count=0;
|
|
|
|
word->length=length;
|
|
|
|
word->s=stringStart;
|
|
|
|
|
|
|
|
++wordCount;
|
|
|
|
|
|
|
|
return word;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
countWord(Word *word) {
|
|
|
|
/* add to the weight the savings: the length of the word minus 1 byte for the token */
|
|
|
|
word->weight+=word->length-1;
|
|
|
|
++word->count;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
addLine(uint32_t code, char *name1, int16_t name1Length, char *name2, int16_t name2Length) {
|
|
|
|
uint8_t *stringStart;
|
|
|
|
Line *line;
|
|
|
|
int16_t length;
|
|
|
|
|
|
|
|
if(lineCount==MAX_LINE_COUNT) {
|
|
|
|
fprintf(stderr, "gennames: too many lines\n");
|
|
|
|
exit(U_BUFFER_OVERFLOW_ERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
length=name1Length;
|
|
|
|
if(name2Length>0) {
|
|
|
|
length+=1+name2Length;
|
|
|
|
}
|
|
|
|
|
|
|
|
stringStart=allocLine(length);
|
|
|
|
if(name1Length>0) {
|
1999-12-28 23:57:50 +00:00
|
|
|
uprv_memcpy(stringStart, name1, name1Length);
|
1999-11-20 01:14:07 +00:00
|
|
|
}
|
|
|
|
if(name2Length>0) {
|
|
|
|
stringStart[name1Length]=NAME_SEPARATOR_CHAR;
|
1999-12-28 23:57:50 +00:00
|
|
|
uprv_memcpy(stringStart+name1Length+1, name2, name2Length);
|
1999-11-20 01:14:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
line=lines+lineCount;
|
|
|
|
|
|
|
|
line->code=code;
|
|
|
|
line->length=length;
|
|
|
|
line->s=stringStart;
|
|
|
|
|
|
|
|
++lineCount;
|
|
|
|
|
|
|
|
/* prevent a character value that is actually in a name from becoming a token */
|
|
|
|
while(length>0) {
|
|
|
|
tokens[stringStart[--length]]=-1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
addGroup(uint32_t groupMSB, uint8_t *strings, int16_t length) {
|
|
|
|
uint8_t *stringStart;
|
|
|
|
Line *line;
|
|
|
|
|
|
|
|
if(lineCount==MAX_LINE_COUNT) {
|
|
|
|
fprintf(stderr, "gennames: too many groups\n");
|
|
|
|
exit(U_BUFFER_OVERFLOW_ERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* store the line lengths first, then the strings */
|
|
|
|
lineLengthsTop=(lineLengthsTop+1)/2;
|
|
|
|
stringStart=allocLine(lineLengthsTop+length);
|
1999-12-28 23:57:50 +00:00
|
|
|
uprv_memcpy(stringStart, lineLengths, lineLengthsTop);
|
|
|
|
uprv_memcpy(stringStart+lineLengthsTop, strings, length);
|
1999-11-20 01:14:07 +00:00
|
|
|
|
|
|
|
line=lines+lineCount;
|
|
|
|
|
|
|
|
line->code=groupMSB;
|
|
|
|
line->length=length;
|
|
|
|
line->s=stringStart;
|
|
|
|
|
|
|
|
++lineCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint32_t
|
|
|
|
addToken(uint8_t *s, int16_t length) {
|
|
|
|
uint8_t *stringStart;
|
|
|
|
|
|
|
|
stringStart=allocLine(length+1);
|
1999-12-28 23:57:50 +00:00
|
|
|
uprv_memcpy(stringStart, s, length);
|
1999-11-20 01:14:07 +00:00
|
|
|
stringStart[length]=0;
|
|
|
|
|
|
|
|
return stringStart-stringStore;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
appendLineLength(int16_t length) {
|
|
|
|
if(length>=76) {
|
|
|
|
fprintf(stderr, "gennames: compressed line too long\n");
|
|
|
|
exit(U_BUFFER_OVERFLOW_ERROR);
|
|
|
|
}
|
|
|
|
if(length>=12) {
|
|
|
|
length-=12;
|
|
|
|
appendLineLengthNibble((uint8_t)((length>>4)|12));
|
|
|
|
}
|
|
|
|
appendLineLengthNibble((uint8_t)length);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
appendLineLengthNibble(uint8_t nibble) {
|
|
|
|
if((lineLengthsTop&1)==0) {
|
|
|
|
lineLengths[lineLengthsTop/2]=nibble<<4;
|
|
|
|
} else {
|
|
|
|
lineLengths[lineLengthsTop/2]|=nibble&0xf;
|
|
|
|
}
|
|
|
|
++lineLengthsTop;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t *
|
|
|
|
allocLine(uint32_t length) {
|
|
|
|
uint32_t top=lineTop+length;
|
|
|
|
uint8_t *p;
|
|
|
|
|
|
|
|
if(top>wordBottom) {
|
|
|
|
fprintf(stderr, "gennames: out of memory\n");
|
|
|
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
|
|
|
}
|
|
|
|
p=stringStore+lineTop;
|
|
|
|
lineTop=top;
|
|
|
|
return p;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t *
|
|
|
|
allocWord(uint32_t length) {
|
|
|
|
uint32_t bottom=wordBottom-length;
|
|
|
|
|
|
|
|
if(lineTop>bottom) {
|
|
|
|
fprintf(stderr, "gennames: out of memory\n");
|
|
|
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
|
|
|
}
|
|
|
|
wordBottom=bottom;
|
|
|
|
return stringStore+bottom;
|
|
|
|
}
|
2000-02-29 18:42:28 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Hey, Emacs, please set the following:
|
|
|
|
*
|
|
|
|
* Local Variables:
|
|
|
|
* indent-tabs-mode: nil
|
|
|
|
* End:
|
|
|
|
*
|
|
|
|
*/
|