scuffed-code/icu4c/source/tools/genuca/genuca.cpp

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/*
*******************************************************************************
*
* Copyright (C) 2000-2001, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: genuca.cpp
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
*
* created at the end of XX century
* created by: Vladimir Weinstein
*
* This program reads the Franctional UCA table and generates
* internal format for UCA table as well as inverse UCA table.
* It then writes binary files containing the data: ucadata.dat
* & invuca.dat
* Change history:
* 02/23/2001 grhoten Made it into a tool
* 02/23/2001 weiv Moved element & table handling code to i18n
* 05/09/2001 weiv Case bits are now in the CEs, not in front
*/
#include "genuca.h"
#include "uoptions.h"
#include "toolutil.h"
#include "cstring.h"
#include <stdlib.h>
#ifdef XP_MAC_CONSOLE
#include <console.h>
#endif
UCAElements le;
/*
* Global - verbosity
*/
UBool VERBOSE = FALSE;
int32_t readElement(char **from, char *to, char separator, UErrorCode *status) {
if(U_FAILURE(*status)) {
return 0;
}
char buffer[1024];
int32_t i = 0;
while(**from != separator) {
if(**from != ' ') {
*(buffer+i++) = **from;
}
(*from)++;
}
(*from)++;
*(buffer + i) = 0;
//*to = (char *)malloc(strlen(buffer)+1);
strcpy(to, buffer);
return i/2;
}
uint32_t getSingleCEValue(char *primary, char *secondary, char *tertiary, UErrorCode *status) {
if(U_FAILURE(*status)) {
return 0;
}
uint32_t value = 0;
char primsave = '\0';
char secsave = '\0';
char tersave = '\0';
char *primend = primary+4;
if(strlen(primary) > 4) {
primsave = *primend;
*primend = '\0';
}
char *secend = secondary+2;
if(strlen(secondary) > 2) {
secsave = *secend;
*secend = '\0';
}
char *terend = tertiary+2;
if(strlen(tertiary) > 2) {
tersave = *terend;
*terend = '\0';
}
uint32_t primvalue = (uint32_t)((*primary!='\0')?strtoul(primary, &primend, 16):0);
uint32_t secvalue = (uint32_t)((*secondary!='\0')?strtoul(secondary, &secend, 16):0);
uint32_t tervalue = (uint32_t)((*tertiary!='\0')?strtoul(tertiary, &terend, 16):0);
if(primvalue <= 0xFF) {
primvalue <<= 8;
}
value = ((primvalue<<UCOL_PRIMARYORDERSHIFT)&UCOL_PRIMARYORDERMASK)|
((secvalue<<UCOL_SECONDARYORDERSHIFT)&UCOL_SECONDARYORDERMASK)|
(tervalue&UCOL_TERTIARYORDERMASK);
if(primsave!='\0') {
*primend = primsave;
}
if(secsave!='\0') {
*secend = secsave;
}
if(tersave!='\0') {
*terend = tersave;
}
return value;
}
static uint32_t inverseTable[0xFFFF][3];
static uint32_t inversePos = 0;
static UChar stringContinue[0xFFFF];
static uint32_t sContPos = 0;
static void addNewInverse(UCAElements *element, UErrorCode *status) {
if(U_FAILURE(*status)) {
return;
}
if(VERBOSE && isContinuation(element->CEs[1])) {
fprintf(stdout, "+");
}
inversePos++;
inverseTable[inversePos][0] = element->CEs[0];
if(element->noOfCEs > 1 && isContinuation(element->CEs[1])) {
inverseTable[inversePos][1] = element->CEs[1];
} else {
inverseTable[inversePos][1] = 0;
}
if(element->cSize < 2) {
inverseTable[inversePos][2] = element->cPoints[0];
} else { /* add a new store of cruft */
inverseTable[inversePos][2] = ((element->cSize+1) << UCOL_INV_SHIFTVALUE) | sContPos;
memcpy(stringContinue+sContPos, element->cPoints, element->cSize*sizeof(UChar));
sContPos += element->cSize+1;
}
}
static void insertInverse(UCAElements *element, uint32_t position, UErrorCode *status) {
uint8_t space[4096];
if(U_FAILURE(*status)) {
return;
}
if(VERBOSE && isContinuation(element->CEs[1])) {
fprintf(stdout, "+");
}
if(position <= inversePos) {
/*move stuff around */
uprv_memcpy(space, inverseTable[position], (inversePos - position+1)*sizeof(inverseTable[0]));
uprv_memcpy(inverseTable[position+1], space, (inversePos - position+1)*sizeof(inverseTable[0]));
}
inverseTable[position][0] = element->CEs[0];
if(element->noOfCEs > 1 && isContinuation(element->CEs[1])) {
inverseTable[position][1] = element->CEs[1];
} else {
inverseTable[position][1] = 0;
}
if(element->cSize < 2) {
inverseTable[position][2] = element->cPoints[0];
} else { /* add a new store of cruft */
inverseTable[position][2] = ((element->cSize+1) << UCOL_INV_SHIFTVALUE) | sContPos;
memcpy(stringContinue+sContPos, element->cPoints, element->cSize*sizeof(UChar));
sContPos += element->cSize+1;
}
inversePos++;
}
static void addToExistingInverse(UCAElements *element, uint32_t position, UErrorCode *status) {
if(U_FAILURE(*status)) {
return;
}
if((inverseTable[position][2] & UCOL_INV_SIZEMASK) == 0) { /* single element, have to make new extension place and put both guys there */
stringContinue[sContPos] = (UChar)inverseTable[position][2];
inverseTable[position][2] = ((element->cSize+3) << UCOL_INV_SHIFTVALUE) | sContPos;
sContPos++;
stringContinue[sContPos++] = 0xFFFF;
memcpy(stringContinue+sContPos, element->cPoints, element->cSize*sizeof(UChar));
sContPos += element->cSize;
stringContinue[sContPos++] = 0xFFFE;
} else { /* adding to the already existing continuing table */
uint32_t contIndex = inverseTable[position][2] & UCOL_INV_OFFSETMASK;
uint32_t contSize = (inverseTable[position][2] & UCOL_INV_SIZEMASK) >> UCOL_INV_SHIFTVALUE;
if(contIndex+contSize < sContPos) {
/*fprintf(stderr, ".", sContPos, contIndex+contSize);*/
memcpy(stringContinue+contIndex+contSize+element->cSize+1, stringContinue+contIndex+contSize, (element->cSize+1)*sizeof(UChar));
}
stringContinue[contIndex+contSize-1] = 0xFFFF;
memcpy(stringContinue+contIndex+contSize, element->cPoints, element->cSize*sizeof(UChar));
sContPos += element->cSize+1;
stringContinue[contIndex+contSize+element->cSize] = 0xFFFE;
inverseTable[position][2] = ((contSize+element->cSize+1) << UCOL_INV_SHIFTVALUE) | contIndex;
}
}
static uint32_t addToInverse(UCAElements *element, UErrorCode *status) {
uint32_t comp = 0;
uint32_t position = inversePos;
uint32_t saveElement = element->CEs[0];
element->CEs[0] &= 0xFFFFFF3F;
if(element->noOfCEs == 1) {
element->CEs[1] = 0;
}
if(inversePos == 0) {
inverseTable[0][0] = inverseTable[0][1] = inverseTable[0][2] = 0;
addNewInverse(element, status);
} else if(inverseTable[inversePos][0] > element->CEs[0]) {
while(inverseTable[--position][0] > element->CEs[0]) {}
if(inverseTable[position][0] == element->CEs[0]) {
if(isContinuation(element->CEs[1])) {
comp = element->CEs[1];
} else {
comp = 0;
}
if(inverseTable[position][1] > comp) {
while(inverseTable[--position][1] > comp) {}
}
if(inverseTable[position][1] == comp) {
addToExistingInverse(element, position, status);
} else {
insertInverse(element, position+1, status);
}
} else {
insertInverse(element, position+1, status);
}
} else if(inverseTable[inversePos][0] == element->CEs[0]) {
if(element->noOfCEs > 1 && isContinuation(element->CEs[1])) {
comp = element->CEs[1];
if(inverseTable[position][1] > comp) {
while(inverseTable[--position][1] > comp) {}
}
if(inverseTable[position][1] == comp) {
addToExistingInverse(element, position, status);
} else {
insertInverse(element, position+1, status);
}
} else {
addToExistingInverse(element, inversePos, status);
}
} else {
addNewInverse(element, status);
}
element->CEs[0] = saveElement;
return inversePos;
}
static InverseTableHeader *assembleInverseTable(UErrorCode *status)
{
InverseTableHeader *result = NULL;
uint32_t headerByteSize = paddedsize(sizeof(InverseTableHeader));
uint32_t inverseTableByteSize = (inversePos+2)*sizeof(uint32_t)*3;
uint32_t contsByteSize = sContPos * sizeof(UChar);
uint32_t i = 0;
result = (InverseTableHeader *)malloc(headerByteSize + inverseTableByteSize + contsByteSize);
if(result != NULL) {
result->byteSize = headerByteSize + inverseTableByteSize + contsByteSize;
inversePos++;
inverseTable[inversePos][0] = 0xFFFFFFFF;
inverseTable[inversePos][1] = 0xFFFFFFFF;
inverseTable[inversePos][2] = 0x0000FFFF;
inversePos++;
for(i = 2; i<inversePos; i++) {
if(inverseTable[i-1][0] > inverseTable[i][0]) {
fprintf(stderr, "Error at %i: %08X & %08X\n", i, inverseTable[i-1][0], inverseTable[i][0]);
} else if(inverseTable[i-1][0] == inverseTable[i][0] && !(inverseTable[i-1][1] < inverseTable[i][1])) {
fprintf(stderr, "Continuation error at %i: %08X %08X & %08X %08X\n", i, inverseTable[i-1][0], inverseTable[i-1][1], inverseTable[i][0], inverseTable[i][1]);
}
}
result->tableSize = inversePos;
result->contsSize = sContPos;
result->table = headerByteSize;
result->conts = headerByteSize + inverseTableByteSize;
memcpy((uint8_t *)result + result->table, inverseTable, inverseTableByteSize);
memcpy((uint8_t *)result + result->conts, stringContinue, contsByteSize);
} else {
*status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
return result;
}
static void writeOutInverseData(InverseTableHeader *data,
const char *outputDir,
const char *copyright,
UErrorCode *status)
{
UNewDataMemory *pData;
long dataLength;
pData=udata_create(outputDir, INVC_DATA_TYPE, INVC_DATA_NAME, &invDataInfo,
copyright, status);
if(U_FAILURE(*status)) {
fprintf(stderr, "Error: unable to create data memory, error %d\n", *status);
return;
}
/* write the data to the file */
fprintf(stdout, "Writing out inverse UCA table: %s%s.%s\n", outputDir,
INVC_DATA_NAME,
INVC_DATA_TYPE);
udata_writeBlock(pData, data, data->byteSize);
/* finish up */
dataLength=udata_finish(pData, status);
if(U_FAILURE(*status)) {
fprintf(stderr, "Error: error %d writing the output file\n", *status);
return;
}
}
static int32_t hex2num(char hex) {
if(hex>='0' && hex <='9') {
return hex-'0';
} else if(hex>='a' && hex<='f') {
return hex-'a'+10;
} else if(hex>='A' && hex<='F') {
return hex-'A'+10;
} else {
return 0;
}
}
UCAElements *readAnElement(FILE *data, UErrorCode *status) {
char buffer[2048], primary[100], secondary[100], tertiary[100];
UBool detectedContraction;
int32_t i = 0;
unsigned int theValue;
char *pointer = NULL;
char *commentStart = NULL;
char *startCodePoint = NULL;
char *endCodePoint = NULL;
char *spacePointer = NULL;
char *result = fgets(buffer, 2048, data);
if(U_FAILURE(*status)) {
return 0;
}
*primary = *secondary = *tertiary = '\0';
if(result == NULL) {
if(feof(data)) {
return NULL;
} else {
fprintf(stderr, "empty line but no EOF!\n");
*status = U_INVALID_FORMAT_ERROR;
return NULL;
}
}
if(buffer[0] == '#' || buffer[0] == '\n') {
return NULL; // just a comment, skip whole line
}
UCAElements *element = &le; //(UCAElements *)malloc(sizeof(UCAElements));
if(buffer[0] == '[') {
const char *vt = "[variable top = ";
uint32_t vtLen = uprv_strlen(vt);
if(uprv_strncmp(buffer, vt, vtLen) == 0) {
element->variableTop = TRUE;
if(sscanf(buffer+vtLen, "%04X", &theValue) != 1) /* read first code point */
{
fprintf(stderr, " scanf(hex) failed!\n ");
}
element->cPoints[0] = (UChar)theValue;
return element; // just a comment, skip whole line
} else {
*status = U_INVALID_FORMAT_ERROR;
return NULL;
}
}
element->variableTop = FALSE;
startCodePoint = buffer;
endCodePoint = strchr(startCodePoint, ';');
if(endCodePoint == 0) {
fprintf(stderr, "error - line with no code point!\n");
*status = U_INVALID_FORMAT_ERROR; /* No code point - could be an error, but probably only an empty line */
return NULL;
} else {
*(endCodePoint) = 0;
}
if(element != NULL) {
memset(element, 0, sizeof(*element));
} else {
*status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
element->cPoints = element->uchars;
spacePointer = strchr(buffer, ' ');
if(sscanf(buffer, "%04X", &theValue) != 1) /* read first code point */
{
fprintf(stderr, " scanf(hex) failed!\n ");
}
element->cPoints[0] = (UChar)theValue;
if(spacePointer == 0) {
detectedContraction = FALSE;
element->cSize = 1;
} else {
i = 1;
detectedContraction = TRUE;
while(spacePointer != NULL) {
sscanf(spacePointer+1, "%04X", &theValue);
element->cPoints[i++] = (UChar)theValue;
spacePointer = strchr(spacePointer+1, ' ');
}
element->cSize = i;
//fprintf(stderr, "Number of codepoints in contraction: %i\n", i);
}
startCodePoint = endCodePoint+1;
commentStart = strchr(startCodePoint, '#');
if(commentStart == NULL) {
commentStart = strlen(startCodePoint) + startCodePoint - 1;
}
i = 0;
uint32_t CEindex = 0;
element->noOfCEs = 0;
for(;;) {
endCodePoint = strchr(startCodePoint, ']');
if(endCodePoint == NULL || endCodePoint >= commentStart) {
break;
}
pointer = strchr(startCodePoint, '[');
pointer++;
element->sizePrim[i]=readElement(&pointer, primary, ',', status);
element->sizeSec[i]=readElement(&pointer, secondary, ',', status);
element->sizeTer[i]=readElement(&pointer, tertiary, ']', status);
/* I want to get the CEs entered right here, including continuation */
element->CEs[CEindex++] = getSingleCEValue(primary, secondary, tertiary, status);
uint32_t CEi = 1;
while(2*CEi<element->sizePrim[i] || CEi<element->sizeSec[i] || CEi<element->sizeTer[i]) {
uint32_t value = UCOL_CONTINUATION_MARKER; /* Continuation marker */
if(2*CEi<element->sizePrim[i]) {
value |= ((hex2num(*(primary+4*CEi))&0xF)<<28);
value |= ((hex2num(*(primary+4*CEi+1))&0xF)<<24);
}
if(2*CEi+1<element->sizePrim[i]) {
value |= ((hex2num(*(primary+4*CEi+2))&0xF)<<20);
value |= ((hex2num(*(primary+4*CEi+3))&0xF)<<16);
}
if(CEi<element->sizeSec[i]) {
value |= ((hex2num(*(secondary+2*CEi))&0xF)<<12);
value |= ((hex2num(*(secondary+2*CEi+1))&0xF)<<8);
}
if(CEi<element->sizeTer[i]) {
value |= ((hex2num(*(tertiary+2*CEi))&0x3)<<4);
value |= (hex2num(*(tertiary+2*CEi+1))&0xF);
}
CEi++;
element->CEs[CEindex++] = value;
}
startCodePoint = endCodePoint+1;
i++;
}
element->noOfCEs = CEindex;
element->isThai = UCOL_ISTHAIPREVOWEL(element->cPoints[0]);
// we don't want any strange stuff after useful data!
while(pointer < commentStart) {
if(*pointer != ' ') {
*status=U_INVALID_FORMAT_ERROR;
break;
}
pointer++;
}
if(U_FAILURE(*status)) {
fprintf(stderr, "problem putting stuff in hash table\n");
*status = U_INTERNAL_PROGRAM_ERROR;
return NULL;
}
return element;
}
void writeOutData(UCATableHeader *data,
uint16_t contractions[][3],
uint32_t noOfcontractions,
const char *outputDir,
const char *copyright,
UErrorCode *status)
{
if(U_FAILURE(*status)) {
return;
}
uint32_t size = data->size;
if(noOfcontractions != 0) {
contractions[noOfcontractions][0] = 0;
contractions[noOfcontractions][1] = 0;
contractions[noOfcontractions][2] = 0;
noOfcontractions++;
data->contractionUCACombos = size;
data->size += paddedsize((noOfcontractions*3*sizeof(uint16_t)));
}
UNewDataMemory *pData;
long dataLength;
pData=udata_create(outputDir, UCA_DATA_TYPE, UCA_DATA_NAME, &dataInfo,
copyright, status);
if(U_FAILURE(*status)) {
fprintf(stderr, "Error: unable to create data memory, error %d\n", *status);
return;
}
/* write the data to the file */
fprintf(stdout, "Writing out UCA table: %s%s.%s\n", outputDir,
UCA_DATA_NAME,
UCA_DATA_TYPE);
udata_writeBlock(pData, data, size);
if(noOfcontractions != 0) {
udata_writeBlock(pData, contractions, noOfcontractions*3*sizeof(uint16_t));
udata_writePadding(pData, paddedsize((noOfcontractions*3*sizeof(uint16_t))) - noOfcontractions*3*sizeof(uint16_t));
}
/* finish up */
dataLength=udata_finish(pData, status);
if(U_FAILURE(*status)) {
fprintf(stderr, "Error: error %d writing the output file\n", *status);
return;
}
}
static int32_t
write_uca_table(const char *filename,
const char *outputDir,
const char *copyright,
UErrorCode *status)
{
FILE *data = fopen(filename, "r");
uint32_t line = 0;
UCAElements *element = NULL;
UChar variableTopValue = 0;
UCATableHeader *myD = (UCATableHeader *)uprv_malloc(sizeof(UCATableHeader));
UColOptionSet *opts = (UColOptionSet *)uprv_malloc(sizeof(UColOptionSet));
uint16_t contractionCEs[256][3];
uint32_t noOfContractions = 0;
if(data == NULL) {
fprintf(stderr, "Couldn't open file: %s\n", filename);
return -1;
}
memset(inverseTable, 0xDA, sizeof(int32_t)*3*0xFFFF);
opts->variableTopValue = variableTopValue;
opts->strength = UCOL_TERTIARY;
opts->frenchCollation = UCOL_OFF;
opts->alternateHandling = UCOL_NON_IGNORABLE; /* attribute for handling variable elements*/
opts->caseFirst = UCOL_OFF; /* who goes first, lower case or uppercase */
opts->caseLevel = UCOL_OFF; /* do we have an extra case level */
opts->normalizationMode = UCOL_OFF; /* attribute for normalization */
/* populate the version info struct with version info*/
myD->version[0] = UCOL_BUILDER_VERSION;
/*TODO:The fractional rules version should be taken from FractionalUCA.txt*/
myD->version[1] = UCA_TAILORING_RULES_VERSION;
myD->jamoSpecial = FALSE;
tempUCATable *t = uprv_uca_initTempTable(myD, opts, NULL, status);
while(!feof(data)) {
if(U_FAILURE(*status)) {
fprintf(stderr, "Something returned an error %i while processing line: %i\nExiting...", *status, line);
exit(*status);
}
element = readAnElement(data, status);
line++;
if(element != NULL) {
// we have read the line, now do something sensible with the read data!
if(element->variableTop == TRUE && variableTopValue == 0) {
t->options->variableTopValue = element->cPoints[0];
}
// if element is a contraction, we want to add it to contractions
if(element->cSize > 1) { // this is a contraction
contractionCEs[noOfContractions][0] = element->cPoints[0];
contractionCEs[noOfContractions][1] = element->cPoints[1];
if(element->cSize > 2) { // the third one
contractionCEs[noOfContractions][2] = element->cPoints[2];
} else {
contractionCEs[noOfContractions][2] = 0;
}
noOfContractions++;
}
/* we're first adding to inverse, because addAnElement will reverse the order */
/* of code points and stuff... we don't want that to happen */
addToInverse(element, status);
uprv_uca_addAnElement(t, element, status);
}
}
if (VERBOSE) {
fprintf(stdout, "\nLines read: %i\n", line);
}
/* test */
UCATableHeader *myData = uprv_uca_assembleTable(t, status);
writeOutData(myData, contractionCEs, noOfContractions, outputDir, copyright, status);
InverseTableHeader *inverse = assembleInverseTable(status);
writeOutInverseData(inverse, outputDir, copyright, status);
uprv_uca_closeTempTable(t);
uprv_free(myD);
uprv_free(opts);
uprv_free(myData);
uprv_free(inverse);
fclose(data);
return 0;
}
static UOption options[]={
UOPTION_HELP_H, /* 0 Numbers for those who*/
UOPTION_HELP_QUESTION_MARK, /* 1 can't count. */
UOPTION_COPYRIGHT, /* 2 */
UOPTION_VERSION, /* 3 */
UOPTION_DESTDIR, /* 4 */
UOPTION_SOURCEDIR, /* 5 */
UOPTION_VERBOSE /* 6 */
/* weiv can't count :))))) */
};
int main(int argc, char* argv[]) {
UErrorCode status = U_ZERO_ERROR;
const char* destdir = NULL;
const char* srcDir = NULL;
char filename[300];
char *basename = NULL;
const char *copyright = NULL;
#ifdef XP_MAC_CONSOLE
argc = ccommand((char***)&argv);
#endif
/* preset then read command line options */
options[4].value=u_getDataDirectory();
options[5].value="";
argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
/* error handling, printing usage message */
if(argc<0) {
fprintf(stderr,
"error in command line argument \"%s\"\n",
argv[-argc]);
} else if(argc<2) {
argc=-1;
}
if(options[0].doesOccur || options[1].doesOccur) {
fprintf(stderr,
"usage: %s [-options] file\n"
"\tRead in UCA collation text data and write out the binary collation data\n"
"\toptions:\n"
"\t\t-h or -? or --help this usage text\n"
"\t\t-V or --version show a version message\n"
"\t\t-c or --copyright include a copyright notice\n"
"\t\t-d or --destdir destination directory, followed by the path\n"
"\t\t-s or --sourcedir source directory, followed by the path\n"
"\t\t-v or --verbose Turn on verbose output\n",
argv[0]);
return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
}
if(options[3].doesOccur) {
fprintf(stdout, "genuca version %hu.%hu, ICU tool to read UCA text data and create UCA data tables for collation.\n",
dataInfo.formatVersion[0], dataInfo.formatVersion[1]);
fprintf(stdout, "Copyright (C) 2000-2001, International Business Machines\n");
fprintf(stdout, "Corporation and others. All Rights Reserved.\n");
exit(0);
}
/* get the options values */
destdir = options[4].value;
srcDir = options[5].value;
VERBOSE = options[6].doesOccur;
if (options[2].doesOccur) {
copyright = U_COPYRIGHT_STRING;
}
if(argc < 0) {
/* prepare the filename beginning with the source dir */
uprv_strcpy(filename, srcDir);
basename=filename+uprv_strlen(filename);
if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
*basename++=U_FILE_SEP_CHAR;
}
uprv_strcpy(basename, "FractionalUCA.txt");
} else {
argv++;
uprv_strcpy(filename, getLongPathname(*argv));
}
return write_uca_table(filename, destdir, copyright, &status);
}
/*
* Hey, Emacs, please set the following:
*
* Local Variables:
* indent-tabs-mode: nil
* End:
*
*/