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scuffed-code/icu4c/source/test/intltest/ssearch.cpp

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ICU-5420 merge changes from branches/eric/string-search r.23303 - r.23976 X-SVN-Rev: 23977
2008-05-23 04:22:28 +00:00
/*
**********************************************************************
* Copyright (C) 2005-2008, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*/
#include "unicode/utypes.h"
#include "unicode/unistr.h"
#include "unicode/putil.h"
#include "unicode/usearch.h"
#include "cmemory.h"
#include "unicode/coll.h"
#include "unicode/tblcoll.h"
#include "unicode/coleitr.h"
#include "unicode/ucoleitr.h"
#include "unicode/regex.h" // TODO: make conditional on regexp being built.
#include "unicode/uniset.h"
#include "unicode/uset.h"
#include "unicode/ustring.h"
#include "hash.h"
#include "uhash.h"
#include "ucol_imp.h"
#include "intltest.h"
#include "ssearch.h"
#include "xmlparser.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
char testId[100];
#define TEST_ASSERT(x) {if (!(x)) { \
errln("Failure in file %s, line %d, test ID = \"%s\"", __FILE__, __LINE__, testId);}}
#define TEST_ASSERT_M(x, m) {if (!(x)) { \
errln("Failure in file %s, line %d. \"%s\"", __FILE__, __LINE__, m);return;}}
#define TEST_ASSERT_SUCCESS(errcode) {if (U_FAILURE(errcode)) { \
errln("Failure in file %s, line %d, test ID \"%s\", status = \"%s\"", \
__FILE__, __LINE__, testId, u_errorName(errcode));}}
#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
//---------------------------------------------------------------------------
//
// Test class boilerplate
//
//---------------------------------------------------------------------------
SSearchTest::SSearchTest()
{
}
SSearchTest::~SSearchTest()
{
}
void SSearchTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char *params )
{
if (exec) logln("TestSuite SSearchTest: ");
switch (index) {
case 0: name = "searchTest";
if (exec) searchTest();
break;
case 1: name = "offsetTest";
if (exec) offsetTest();
break;
case 2: name = "monkeyTest";
if (exec) monkeyTest(params);
break;
default: name = "";
break; //needed to end loop
}
}
#define PATH_BUFFER_SIZE 2048
const char *SSearchTest::getPath(char buffer[2048], const char *filename) {
UErrorCode status = U_ZERO_ERROR;
const char *testDataDirectory = IntlTest::getSourceTestData(status);
if (U_FAILURE(status) || strlen(testDataDirectory) + strlen(filename) + 1 >= PATH_BUFFER_SIZE) {
errln("ERROR: getPath() failed - %s", u_errorName(status));
return NULL;
}
strcpy(buffer, testDataDirectory);
strcat(buffer, filename);
return buffer;
}
void SSearchTest::searchTest()
{
#if !UCONFIG_NO_REGULAR_EXPRESSIONS
UErrorCode status = U_ZERO_ERROR;
char path[PATH_BUFFER_SIZE];
const char *testFilePath = getPath(path, "ssearch.xml");
if (testFilePath == NULL) {
return; /* Couldn't get path: error message already output. */
}
UXMLParser *parser = UXMLParser::createParser(status);
TEST_ASSERT_SUCCESS(status);
UXMLElement *root = parser->parseFile(testFilePath, status);
TEST_ASSERT_SUCCESS(status);
if (U_FAILURE(status)) {
return;
}
const UnicodeString *debugTestCase = root->getAttribute("debug");
if (debugTestCase != NULL) {
// setenv("USEARCH_DEBUG", "1", 1);
}
const UXMLElement *testCase;
int32_t tc = 0;
while((testCase = root->nextChildElement(tc)) != NULL) {
if (testCase->getTagName().compare("test-case") != 0) {
errln("ssearch, unrecognized XML Element in test file");
continue;
}
const UnicodeString *id = testCase->getAttribute("id");
*testId = 0;
if (id != NULL) {
id->extract(0, id->length(), testId, sizeof(testId), US_INV);
}
// If debugging test case has been specified and this is not it, skip to next.
if (id!=NULL && debugTestCase!=NULL && *id != *debugTestCase) {
continue;
}
//
// Get the requested collation strength.
// Default is tertiary if the XML attribute is missing from the test case.
//
const UnicodeString *strength = testCase->getAttribute("strength");
UColAttributeValue collatorStrength;
if (strength==NULL) { collatorStrength = UCOL_TERTIARY;}
else if (*strength=="PRIMARY") { collatorStrength = UCOL_PRIMARY;}
else if (*strength=="SECONDARY") { collatorStrength = UCOL_SECONDARY;}
else if (*strength=="TERTIARY") { collatorStrength = UCOL_TERTIARY;}
else if (*strength=="QUATERNARY") { collatorStrength = UCOL_QUATERNARY;}
else if (*strength=="IDENTICAL") { collatorStrength = UCOL_IDENTICAL;}
else {
// Bogus value supplied for strength. Shouldn't happen, even from
// typos, if the XML source has been validated.
// This assert is a little deceiving in that strength can be
// any of the allowed values, not just TERTIARY, but it will
// do the job of getting the error output.
TEST_ASSERT(*strength=="TERTIARY")
}
//
// Get the collator normalization flag. Default is UCOL_OFF.
//
UColAttributeValue normalize = UCOL_OFF;
const UnicodeString *norm = testCase->getAttribute("norm");
TEST_ASSERT (norm==NULL || *norm=="ON" || *norm=="OFF");
if (norm!=NULL && *norm=="ON") {
normalize = UCOL_ON;
}
const UnicodeString defLocale("en");
char clocale[100];
const UnicodeString *locale = testCase->getAttribute("locale");
if (locale == NULL || locale->length()==0) {
locale = &defLocale;
};
locale->extract(0, locale->length(), clocale, sizeof(clocale), NULL);
UnicodeString text;
UnicodeString target;
UnicodeString pattern;
int32_t expectedMatchStart = -1;
int32_t expectedMatchLimit = -1;
const UXMLElement *n;
int nodeCount = 0;
n = testCase->getChildElement("pattern");
TEST_ASSERT(n != NULL);
if (n==NULL) {
continue;
}
text = n->getText(FALSE);
text = text.unescape();
pattern.append(text);
nodeCount++;
n = testCase->getChildElement("pre");
if (n!=NULL) {
text = n->getText(FALSE);
text = text.unescape();
target.append(text);
nodeCount++;
}
n = testCase->getChildElement("m");
if (n!=NULL) {
expectedMatchStart = target.length();
text = n->getText(FALSE);
text = text.unescape();
target.append(text);
expectedMatchLimit = target.length();
nodeCount++;
}
n = testCase->getChildElement("post");
if (n!=NULL) {
text = n->getText(FALSE);
text = text.unescape();
target.append(text);
nodeCount++;
}
// Check that there weren't extra things in the XML
TEST_ASSERT(nodeCount == testCase->countChildren());
// Open a collotor and StringSearch based on the parameters
// obtained from the XML.
//
status = U_ZERO_ERROR;
UCollator *collator = ucol_open(clocale, &status);
ucol_setStrength(collator, collatorStrength);
ucol_setAttribute(collator, UCOL_NORMALIZATION_MODE, normalize, &status);
UStringSearch *uss = usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
target.getBuffer(), target.length(),
collator,
NULL, // the break iterator
&status);
TEST_ASSERT_SUCCESS(status);
if (U_FAILURE(status)) {
usearch_close(uss);
ucol_close(collator);
continue;
}
int32_t foundStart = 0;
int32_t foundLimit = 0;
UBool foundMatch;
//
// Do the search, check the match result against the expected results.
//
foundMatch= usearch_search(uss, 0, &foundStart, &foundLimit, &status);
TEST_ASSERT_SUCCESS(status);
if (foundMatch && expectedMatchStart<0 ||
foundStart != expectedMatchStart ||
foundLimit != expectedMatchLimit) {
TEST_ASSERT(FALSE); // ouput generic error position
infoln("Found, expected match start = %d, %d \n"
"Found, expected match limit = %d, %d",
foundStart, expectedMatchStart, foundLimit, expectedMatchLimit);
}
// In case there are other matches...
// (should we only do this if the test case passed?)
while (foundMatch) {
expectedMatchStart = foundStart;
expectedMatchLimit = foundLimit;
foundMatch = usearch_search(uss, foundLimit, &foundStart, &foundLimit, &status);
}
usearch_close(uss);
usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
target.getBuffer(), target.length(),
collator,
NULL,
&status);
//
// Do the backwards search, check the match result against the expected results.
//
foundMatch= usearch_searchBackwards(uss, target.length(), &foundStart, &foundLimit, &status);
TEST_ASSERT_SUCCESS(status);
if (foundMatch && expectedMatchStart<0 ||
foundStart != expectedMatchStart ||
foundLimit != expectedMatchLimit) {
TEST_ASSERT(FALSE); // ouput generic error position
infoln("Found, expected backwards match start = %d, %d \n"
"Found, expected backwards match limit = %d, %d",
foundStart, expectedMatchStart, foundLimit, expectedMatchLimit);
}
usearch_close(uss);
ucol_close(collator);
}
delete root;
delete parser;
#endif
}
struct Order
{
int32_t order;
int32_t lowOffset;
int32_t highOffset;
};
class OrderList
{
public:
OrderList();
OrderList(UCollator *coll, const UnicodeString &string, int32_t stringOffset = 0);
~OrderList();
int32_t size(void) const;
void add(int32_t order, int32_t low, int32_t high);
const Order *get(int32_t index) const;
int32_t getLowOffset(int32_t index) const;
int32_t getHighOffset(int32_t index) const;
int32_t getOrder(int32_t index) const;
void reverse(void);
UBool compare(const OrderList &other) const;
UBool matchesAt(int32_t offset, const OrderList &other) const;
private:
Order *list;
int32_t listMax;
int32_t listSize;
};
OrderList::OrderList()
: list(NULL), listSize(0), listMax(16)
{
list = new Order[listMax];
}
OrderList::OrderList(UCollator *coll, const UnicodeString &string, int32_t stringOffset)
: list(NULL), listMax(16), listSize(0)
{
UErrorCode status = U_ZERO_ERROR;
UCollationElements *elems = ucol_openElements(coll, string.getBuffer(), string.length(), &status);
uint32_t strengthMask = 0;
int32_t order, low, high;
switch (ucol_getStrength(coll))
{
default:
strengthMask |= UCOL_TERTIARYORDERMASK;
/* fall through */
case UCOL_SECONDARY:
strengthMask |= UCOL_SECONDARYORDERMASK;
/* fall through */
case UCOL_PRIMARY:
strengthMask |= UCOL_PRIMARYORDERMASK;
}
list = new Order[listMax];
ucol_setOffset(elems, stringOffset, &status);
do {
low = ucol_getOffset(elems);
order = ucol_next(elems, &status);
high = ucol_getOffset(elems);
if (order != UCOL_NULLORDER) {
order &= strengthMask;
}
if (order != UCOL_IGNORABLE) {
add(order, low, high);
}
} while (order != UCOL_NULLORDER);
ucol_closeElements(elems);
}
OrderList::~OrderList()
{
delete[] list;
}
void OrderList::add(int32_t order, int32_t low, int32_t high)
{
if (listSize >= listMax) {
listMax *= 2;
Order *newList = new Order[listMax];
uprv_memcpy(newList, list, listSize * sizeof(Order));
delete[] list;
list = newList;
}
list[listSize].order = order;
list[listSize].lowOffset = low;
list[listSize].highOffset = high;
listSize += 1;
}
const Order *OrderList::get(int32_t index) const
{
if (index >= listSize) {
return NULL;
}
return &list[index];
}
int32_t OrderList::getLowOffset(int32_t index) const
{
const Order *order = get(index);
if (order != NULL) {
return order->lowOffset;
}
return -1;
}
int32_t OrderList::getHighOffset(int32_t index) const
{
const Order *order = get(index);
if (order != NULL) {
return order->highOffset;
}
return -1;
}
int32_t OrderList::getOrder(int32_t index) const
{
const Order *order = get(index);
if (order != NULL) {
return order->order;
}
return UCOL_NULLORDER;
}
int32_t OrderList::size() const
{
return listSize;
}
void OrderList::reverse()
{
for(int32_t f = 0, b = listSize - 1; f < b; f += 1, b -= 1) {
Order swap = list[b];
list[b] = list[f];
list[f] = swap;
}
}
UBool OrderList::compare(const OrderList &other) const
{
if (listSize != other.listSize) {
return FALSE;
}
for(int32_t i = 0; i < listSize; i += 1) {
if (list[i].order != other.list[i].order ||
list[i].lowOffset != other.list[i].lowOffset ||
list[i].highOffset != other.list[i].highOffset) {
return FALSE;
}
}
return TRUE;
}
UBool OrderList::matchesAt(int32_t offset, const OrderList &other) const
{
// NOTE: sizes include the NULLORDER, which we don't want to compare.
int32_t otherSize = other.size() - 1;
if (listSize - 1 - offset < otherSize) {
return FALSE;
}
for (int32_t i = offset, j = 0; j < otherSize; i += 1, j += 1) {
if (getOrder(i) != other.getOrder(j)) {
return FALSE;
}
}
return TRUE;
}
static char *printOffsets(char *buffer, OrderList &list)
{
int32_t size = list.size();
char *s = buffer;
for(int32_t i = 0; i < size; i += 1) {
const Order *order = list.get(i);
if (i != 0) {
s += sprintf(s, ", ");
}
s += sprintf(s, "(%d, %d)", order->lowOffset, order->highOffset);
}
return buffer;
}
static char *printOrders(char *buffer, OrderList &list)
{
int32_t size = list.size();
char *s = buffer;
for(int32_t i = 0; i < size; i += 1) {
const Order *order = list.get(i);
if (i != 0) {
s += sprintf(s, ", ");
}
s += sprintf(s, "%8.8X", order->order);
}
return buffer;
}
void SSearchTest::offsetTest()
{
UnicodeString test[] = {
"\\ua191\\u16ef\\u2036\\u017a",
#if 0
// This results in a complex interaction between contraction,
// expansion and normalization that confuses the backwards offset fixups.
"\\u0F7F\\u0F80\\u0F81\\u0F82\\u0F83\\u0F84\\u0F85",
#endif
"\\u0F80\\u0F81\\u0F82\\u0F83\\u0F84\\u0F85",
"\\u07E9\\u07EA\\u07F1\\u07F2\\u07F3",
"\\u02FE\\u02FF"
"\\u0300\\u0301\\u0302\\u0303\\u0304\\u0305\\u0306\\u0307\\u0308\\u0309\\u030A\\u030B\\u030C\\u030D\\u030E\\u030F"
"\\u0310\\u0311\\u0312\\u0313\\u0314\\u0315\\u0316\\u0317\\u0318\\u0319\\u031A\\u031B\\u031C\\u031D\\u031E\\u031F"
"\\u0320\\u0321\\u0322\\u0323\\u0324\\u0325\\u0326\\u0327\\u0328\\u0329\\u032A\\u032B\\u032C\\u032D\\u032E\\u032F"
"\\u0330\\u0331\\u0332\\u0333\\u0334\\u0335\\u0336\\u0337\\u0338\\u0339\\u033A\\u033B\\u033C\\u033D\\u033E\\u033F"
"\\u0340\\u0341\\u0342\\u0343\\u0344\\u0345\\u0346\\u0347\\u0348\\u0349\\u034A\\u034B\\u034C\\u034D\\u034E",
"\\u02FE\\u02FF\\u0300\\u0301\\u0302\\u0303\\u0316\\u0317\\u0318",
"abc\\u0E41\\u0301\\u0316",
"abc\\u0E41\\u0316\\u0301",
"\\u0E41\\u0301\\u0316",
"\\u0E41\\u0316\\u0301",
"a\\u0301\\u0316",
"a\\u0316\\u0301",
"\\uAC52\\uAC53",
"\\u34CA\\u34CB",
"\\u11ED\\u11EE",
"\\u30C3\\u30D0",
"p\\u00E9ch\\u00E9",
"a\\u0301\\u0325",
"a\\u0300\\u0325",
"a\\u0325\\u0300",
"A\\u0323\\u0300B",
"A\\u0300\\u0323B",
"A\\u0301\\u0323B",
"A\\u0302\\u0301\\u0323B",
"abc",
"ab\\u0300c",
"ab\\u0300\\u0323c",
" \\uD800\\uDC00\\uDC00",
"a\\uD800\\uDC00\\uDC00",
"A\\u0301\\u0301",
"A\\u0301\\u0323",
"A\\u0301\\u0323B",
"B\\u0301\\u0323C",
"A\\u0300\\u0323B",
"\\u0301A\\u0301\\u0301",
"abcd\\r\\u0301",
"p\\u00EAche",
"pe\\u0302che",
};
int32_t testCount = ARRAY_SIZE(test);
UErrorCode status = U_ZERO_ERROR;
RuleBasedCollator *col = (RuleBasedCollator *) Collator::createInstance(Locale::getEnglish(), status);
char buffer[4096]; // A bit of a hack... just happens to be long enough for all the test cases...
// We could allocate one that's the right size by (CE_count * 10) + 2
// 10 chars is enough room for 8 hex digits plus ", ". 2 extra chars for "[" and "]"
col->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
for(int32_t i = 0; i < testCount; i += 1) {
UnicodeString ts = test[i].unescape();
CollationElementIterator *iter = col->createCollationElementIterator(ts);
OrderList forwardList;
OrderList backwardList;
int32_t order, low, high;
do {
low = iter->getOffset();
order = iter->next(status);
high = iter->getOffset();
forwardList.add(order, low, high);
} while (order != CollationElementIterator::NULLORDER);
iter->reset();
iter->setOffset(ts.length(), status);
backwardList.add(CollationElementIterator::NULLORDER, iter->getOffset(), iter->getOffset());
do {
high = iter->getOffset();
order = iter->previous(status);
low = iter->getOffset();
if (order == CollationElementIterator::NULLORDER) {
break;
}
backwardList.add(order, low, high);
} while (TRUE);
backwardList.reverse();
if (forwardList.compare(backwardList)) {
logln("Works with \"%S\"", test[i].getTerminatedBuffer());
logln("Forward offsets: [%s]", printOffsets(buffer, forwardList));
// logln("Backward offsets: [%s]", printOffsets(buffer, backwardList));
logln("Forward CEs: [%s]", printOrders(buffer, forwardList));
// logln("Backward CEs: [%s]", printOrders(buffer, backwardList));
logln();
} else {
errln("Fails with \"%S\"", test[i].getTerminatedBuffer());
infoln("Forward offsets: [%s]", printOffsets(buffer, forwardList));
infoln("Backward offsets: [%s]", printOffsets(buffer, backwardList));
infoln("Forward CEs: [%s]", printOrders(buffer, forwardList));
infoln("Backward CEs: [%s]", printOrders(buffer, backwardList));
infoln();
}
}
}
class CEList
{
public:
CEList(UCollator *coll, const UnicodeString &string);
~CEList();
int32_t size() const;
int32_t get(int32_t index) const;
UBool matchesAt(int32_t offset, const CEList *other) const;
private:
void add(int32_t ce);
int32_t *ces;
int32_t listMax;
int32_t listSize;
};
CEList::CEList(UCollator *coll, const UnicodeString &string)
: ces(NULL), listMax(8), listSize(0)
{
UErrorCode status = U_ZERO_ERROR;
UCollationElements *elems = ucol_openElements(coll, string.getBuffer(), string.length(), &status);
uint32_t strengthMask = 0;
int32_t order;
#if 0
switch (ucol_getStrength(coll))
{
default:
strengthMask |= UCOL_TERTIARYORDERMASK;
/* fall through */
case UCOL_SECONDARY:
strengthMask |= UCOL_SECONDARYORDERMASK;
/* fall through */
case UCOL_PRIMARY:
strengthMask |= UCOL_PRIMARYORDERMASK;
}
#else
strengthMask = UCOL_PRIMARYORDERMASK;
#endif
ces = new int32_t[listMax];
while ((order = ucol_next(elems, &status)) != UCOL_NULLORDER) {
order &= strengthMask;
if (order == UCOL_IGNORABLE) {
continue;
}
add(order);
}
ucol_closeElements(elems);
}
CEList::~CEList()
{
delete[] ces;
}
void CEList::add(int32_t ce)
{
if (listSize >= listMax) {
listMax *= 2;
int32_t *newCEs = new int32_t[listMax];
uprv_memcpy(newCEs, ces, listSize * sizeof(int32_t));
delete[] ces;
ces = newCEs;
}
ces[listSize++] = ce;
}
int32_t CEList::get(int32_t index) const
{
if (index >= 0 && index < listSize) {
return ces[index];
}
return -1;
}
UBool CEList::matchesAt(int32_t offset, const CEList *other) const
{
if (listSize - offset < other->size()) {
return FALSE;
}
for (int32_t i = offset, j = 0; j < other->size(); i += 1, j += 1) {
if (ces[i] != other->get(j)) {
return FALSE;
}
}
return TRUE;
}
int32_t CEList::size() const
{
return listSize;
}
class StringList
{
public:
StringList();
~StringList();
void add(const UnicodeString *string);
void add(const UChar *chars, int32_t count);
const UnicodeString *get(int32_t index) const;
int32_t size() const;
private:
UnicodeString *strings;
int32_t listMax;
int32_t listSize;
};
StringList::StringList()
: strings(NULL), listMax(16), listSize(0)
{
strings = new UnicodeString [listMax];
}
StringList::~StringList()
{
delete[] strings;
}
void StringList::add(const UnicodeString *string)
{
if (listSize >= listMax) {
listMax *= 2;
UnicodeString *newStrings = new UnicodeString[listMax];
uprv_memcpy(newStrings, strings, listSize * sizeof(UnicodeString));
delete[] strings;
strings = newStrings;
}
// The ctor initialized all the strings in
// the array to empty strings, so this
// is the same as copying the source string.
strings[listSize++].append(*string);
}
void StringList::add(const UChar *chars, int32_t count)
{
const UnicodeString string(chars, count);
add(&string);
}
const UnicodeString *StringList::get(int32_t index) const
{
if (index >= 0 && index < listSize) {
return &strings[index];
}
return NULL;
}
int32_t StringList::size() const
{
return listSize;
}
class CEToStringsMap
{
public:
CEToStringsMap();
~CEToStringsMap();
void put(int32_t ce, UnicodeString *string);
StringList *getStringList(int32_t ce) const;
private:
static void deleteStringList(void *obj);
void putStringList(int32_t ce, StringList *stringList);
UHashtable *map;
};
CEToStringsMap::CEToStringsMap()
{
UErrorCode status = U_ZERO_ERROR;
map = uhash_open(uhash_hashLong, uhash_compareLong,
uhash_compareCaselessUnicodeString,
&status);
uhash_setValueDeleter(map, deleteStringList);
}
CEToStringsMap::~CEToStringsMap()
{
uhash_close(map);
}
void CEToStringsMap::put(int32_t ce, UnicodeString *string)
{
StringList *strings = getStringList(ce);
if (strings == NULL) {
strings = new StringList();
putStringList(ce, strings);
}
strings->add(string);
}
StringList *CEToStringsMap::getStringList(int32_t ce) const
{
return (StringList *) uhash_iget(map, ce);
}
void CEToStringsMap::putStringList(int32_t ce, StringList *stringList)
{
UErrorCode status = U_ZERO_ERROR;
uhash_iput(map, ce, (void *) stringList, &status);
}
void CEToStringsMap::deleteStringList(void *obj)
{
StringList *strings = (StringList *) obj;
delete strings;
}
class StringToCEsMap
{
public:
StringToCEsMap();
~StringToCEsMap();
void put(const UnicodeString *string, const CEList *ces);
const CEList *get(const UnicodeString *string);
private:
static void deleteCEList(void *obj);
UHashtable *map;
};
StringToCEsMap::StringToCEsMap()
{
UErrorCode status = U_ZERO_ERROR;
map = uhash_open(uhash_hashCaselessUnicodeString,
uhash_compareCaselessUnicodeString,
uhash_compareLong,
&status);
uhash_setValueDeleter(map, deleteCEList);
}
StringToCEsMap::~StringToCEsMap()
{
uhash_close(map);
}
void StringToCEsMap::put(const UnicodeString *string, const CEList *ces)
{
UErrorCode status = U_ZERO_ERROR;
uhash_put(map, (void *) string, (void *) ces, &status);
}
const CEList *StringToCEsMap::get(const UnicodeString *string)
{
return (const CEList *) uhash_get(map, string);
}
void StringToCEsMap::deleteCEList(void *obj)
{
CEList *list = (CEList *) obj;
delete list;
}
static void buildData(UCollator *coll, USet *charsToTest, StringToCEsMap *charsToCEList, CEToStringsMap *ceToCharsStartingWith)
{
int32_t itemCount = uset_getItemCount(charsToTest);
UErrorCode status = U_ZERO_ERROR;
for(int32_t item = 0; item < itemCount; item += 1) {
UChar32 start = 0, end = 0;
UChar buffer[16];
int32_t len = uset_getItem(charsToTest, item, &start, &end,
buffer, 16, &status);
if (len == 0) {
for (UChar32 ch = start; ch <= end; ch += 1) {
UnicodeString *st = new UnicodeString(ch);
CEList *ceList = new CEList(coll, *st);
charsToCEList->put(st, ceList);
ceToCharsStartingWith->put(ceList->get(0), st);
}
} else if (len > 0) {
UnicodeString *st = new UnicodeString(buffer, len);
CEList *ceList = new CEList(coll, *st);
charsToCEList->put(st, ceList);
ceToCharsStartingWith->put(ceList->get(0), st);
} else {
// shouldn't happen...
}
}
}
static UnicodeString &escape(const UnicodeString &string, UnicodeString &buffer)
{
for(int32_t i = 0; i < string.length(); i += 1) {
UChar32 ch = string.char32At(i);
if (ch >= 0x0020 && ch <= 0x007F) {
if (ch == 0x005C) {
buffer.append("\\\\");
} else {
buffer.append(ch);
}
} else {
char cbuffer[12];
if (ch <= 0xFFFFL) {
sprintf(cbuffer, "\\u%4.4X", ch);
} else {
sprintf(cbuffer, "\\U%8.8X", ch);
}
buffer.append(cbuffer);
}
if (ch >= 0x10000L) {
i += 1;
}
}
return buffer;
}
static int32_t minLengthInChars(const CEList *ceList, int32_t offset, StringToCEsMap *charsToCEList, CEToStringsMap *ceToCharsStartingWith,
UnicodeString &debug)
{
// find out shortest string for the longest sequence of ces.
// needs to be refined to use dynamic programming, but will be roughly right
int32_t totalStringLength = 0;
while (offset < ceList->size()) {
int32_t ce = ceList->get(offset);
int32_t bestLength = INT32_MIN;
const UnicodeString *bestString = NULL;
int32_t bestCeLength = 0;
const StringList *strings = ceToCharsStartingWith->getStringList(ce);
int32_t stringCount = strings->size();
for (int32_t s = 0; s < stringCount; s += 1) {
const UnicodeString *string = strings->get(s);
const CEList *ceList2 = charsToCEList->get(string);
if (ceList->matchesAt(offset, ceList2)) {
int32_t length = ceList2->size() - string->length();
if (bestLength < length) {
bestLength = length;
bestCeLength = ceList2->size();
bestString = string;
}
}
}
totalStringLength += bestString->length();
escape(*bestString, debug).append("/");
offset += bestCeLength;
}
debug.append(0x0000);
return totalStringLength;
}
static void minLengthTest(UCollator *coll, StringToCEsMap *charsToCEList, CEToStringsMap *ceToCharsStartingWith)
{
UnicodeString examples[] = {"fuss", "fiss", "affliss", "VII"};
UnicodeString debug;
int32_t nExamples = sizeof(examples) / sizeof(examples[0]);
for (int32_t s = 0; s < nExamples; s += 1) {
CEList *ceList = new CEList(coll, examples[s]);
//infoln("%S:", examples[s].getTerminatedBuffer());
for(int32_t i = 0; i < examples[s].length(); i += 1) {
debug.remove();
int32_t minLength = minLengthInChars(ceList, i, charsToCEList, ceToCharsStartingWith, debug);
//infoln("\t%d\t%S", minLength, debug.getTerminatedBuffer());
}
//infoln();
delete ceList;
}
}
//----------------------------------------------------------------------------------------
//
// Random Numbers. Similar to standard lib rand() and srand()
// Not using library to
// 1. Get same results on all platforms.
// 2. Get access to current seed, to more easily reproduce failures.
//
//---------------------------------------------------------------------------------------
static uint32_t m_seed = 1;
static uint32_t m_rand()
{
m_seed = m_seed * 1103515245 + 12345;
return (uint32_t)(m_seed/65536) % 32768;
}
class Monkey
{
public:
virtual void append(UnicodeString &test, UnicodeString &alternate) = 0;
protected:
Monkey();
virtual ~Monkey();
};
Monkey::Monkey()
{
// ook?
}
Monkey::~Monkey()
{
// ook?
}
class SetMonkey : public Monkey
{
public:
SetMonkey(const USet *theSet);
~SetMonkey();
virtual void append(UnicodeString &test, UnicodeString &alternate);
private:
const USet *set;
};
SetMonkey::SetMonkey(const USet *theSet)
: Monkey(), set(theSet)
{
// ook?
}
SetMonkey::~SetMonkey()
{
//ook...
}
void SetMonkey::append(UnicodeString &test, UnicodeString &alternate)
{
int32_t size = uset_size(set);
int32_t index = m_rand() % size;
UChar32 ch = uset_charAt(set, index);
UnicodeString str(ch);
test.append(str);
alternate.append(str); // flip case, or some junk?
}
class StringSetMonkey : public Monkey
{
public:
StringSetMonkey(const USet *theSet, UCollator *theCollator, StringToCEsMap *theCharsToCEList, CEToStringsMap *theCeToCharsStartingWith);
~StringSetMonkey();
void append(UnicodeString &testCase, UnicodeString &alternate);
private:
UnicodeString &generateAlternative(const UnicodeString &testCase, UnicodeString &alternate);
const USet *set;
UCollator *coll;
StringToCEsMap *charsToCEList;
CEToStringsMap *ceToCharsStartingWith;
};
StringSetMonkey::StringSetMonkey(const USet *theSet, UCollator *theCollator, StringToCEsMap *theCharsToCEList, CEToStringsMap *theCeToCharsStartingWith)
: Monkey(), set(theSet), coll(theCollator), charsToCEList(theCharsToCEList), ceToCharsStartingWith(theCeToCharsStartingWith)
{
// ook.
}
StringSetMonkey::~StringSetMonkey()
{
// ook?
}
void StringSetMonkey::append(UnicodeString &testCase, UnicodeString &alternate)
{
int32_t itemCount = uset_getItemCount(set), len = 0;
int32_t index = m_rand() % itemCount;
UChar32 rangeStart = 0, rangeEnd = 0;
UChar buffer[16];
UErrorCode err = U_ZERO_ERROR;
len = uset_getItem(set, index, &rangeStart, &rangeEnd, buffer, 16, &err);
if (len == 0) {
int32_t offset = m_rand() % (rangeEnd - rangeStart + 1);
UChar32 ch = rangeStart + offset;
UnicodeString str(ch);
testCase.append(str);
generateAlternative(str, alternate);
} else if (len > 0) {
// should check that len < 16...
UnicodeString str(buffer, len);
testCase.append(str);
generateAlternative(str, alternate);
} else {
// shouldn't happen...
}
}
UnicodeString &StringSetMonkey::generateAlternative(const UnicodeString &testCase, UnicodeString &alternate)
{
// find out shortest string for the longest sequence of ces.
// needs to be refined to use dynamic programming, but will be roughly right
CEList ceList(coll, testCase);
UnicodeString alt;
int32_t offset = 0;
if (ceList.size() == 0) {
return alternate.append(testCase);
}
while (offset < ceList.size()) {
int32_t ce = ceList.get(offset);
const StringList *strings = ceToCharsStartingWith->getStringList(ce);
if (strings == NULL) {
return alternate.append(testCase);
}
int32_t stringCount = strings->size();
int32_t tries = 0;
// find random string that generates the same CEList
const CEList *ceList2;
const UnicodeString *string;
do {
int32_t s = m_rand() % stringCount;
if (tries++ > stringCount) {
alternate.append(testCase);
return alternate;
}
string = strings->get(s);
ceList2 = charsToCEList->get(string);
} while (! ceList.matchesAt(offset, ceList2));
alt.append(*string);
offset += ceList2->size();
}
const CEList altCEs(coll, alt);
if (ceList.matchesAt(0, &altCEs)) {
return alternate.append(alt);
}
return alternate.append(testCase);
}
static void generateTestCase(UCollator *coll, Monkey *monkeys[], int32_t monkeyCount, UnicodeString &testCase, UnicodeString &alternate)
{
int32_t pieces = (m_rand() % 4) + 1;
UBool matches;
do {
testCase.remove();
alternate.remove();
monkeys[0]->append(testCase, alternate);
for(int32_t piece = 0; piece < pieces; piece += 1) {
int32_t monkey = m_rand() % monkeyCount;
monkeys[monkey]->append(testCase, alternate);
}
const CEList ceTest(coll, testCase);
const CEList ceAlt(coll, alternate);
matches = ceTest.matchesAt(0, &ceAlt);
} while (! matches);
}
static inline USet *uset_openEmpty()
{
return uset_open(1, 0);
}
//
// Find the next acceptable boundary following the specified starting index
// in the target text being searched.
// TODO: refine what is an acceptable boundary. For the moment,
// choose the next position not within a combining sequence.
//
static int32_t nextBoundaryAfter(const UnicodeString &string, int32_t startIndex) {
const UChar *text = string.getBuffer();
int32_t textLen = string.length();
if (startIndex >= textLen) {
return startIndex;
}
UChar32 c;
int32_t i = startIndex;
U16_NEXT(text, i, textLen, c);
// If we are on a control character, stop without looking for combining marks.
// Control characters do not combine.
int32_t gcProperty = u_getIntPropertyValue(c, UCHAR_GRAPHEME_CLUSTER_BREAK);
if (gcProperty==U_GCB_CONTROL || gcProperty==U_GCB_LF || gcProperty==U_GCB_CR) {
return i;
}
// The initial character was not a control, and can thus accept trailing
// combining characters. Advance over however many of them there are.
int32_t indexOfLastCharChecked;
for (;;) {
indexOfLastCharChecked = i;
if (i>=textLen) {
break;
}
U16_NEXT(text, i, textLen, c);
gcProperty = u_getIntPropertyValue(c, UCHAR_GRAPHEME_CLUSTER_BREAK);
if (gcProperty != U_GCB_EXTEND && gcProperty != U_GCB_SPACING_MARK) {
break;
}
}
return indexOfLastCharChecked;
}
static UBool isInCombiningSequence(const UnicodeString &string, int32_t index) {
const UChar *text = string.getBuffer();
int32_t textLen = string.length();
if (index>=textLen || index<=0) {
return FALSE;
}
// If the character at the current index is not a GRAPHEME_EXTEND
// then we can not be within a combining sequence.
UChar32 c;
U16_GET(text, 0, index, textLen, c);
int32_t gcProperty = u_getIntPropertyValue(c, UCHAR_GRAPHEME_CLUSTER_BREAK);
if (gcProperty != U_GCB_EXTEND && gcProperty != U_GCB_SPACING_MARK) {
return FALSE;
}
// We are at a combining mark. If the preceding character is anything
// except a CONTROL, CR or LF, we are in a combining sequence.
U16_PREV(text, 0, index, c);
gcProperty = u_getIntPropertyValue(c, UCHAR_GRAPHEME_CLUSTER_BREAK);
return !(gcProperty==U_GCB_CONTROL || gcProperty==U_GCB_LF || gcProperty==U_GCB_CR);
}
static UBool simpleSearch(UCollator *coll, const UnicodeString &target, int32_t offset, const UnicodeString &pattern, int32_t &matchStart, int32_t &matchEnd)
{
UErrorCode status = U_ZERO_ERROR;
OrderList targetOrders(coll, target, offset);
OrderList patternOrders(coll, pattern);
int32_t targetSize = targetOrders.size() - 1;
int32_t patternSize = patternOrders.size() - 1;
UBreakIterator *charBreakIterator = ubrk_open(UBRK_CHARACTER, ucol_getLocale(coll, ULOC_VALID_LOCALE, &status),
target.getBuffer(), target.length(), &status);
ICU-5420 Return [0, 0] in SimpleSearch if there are no CEs in the pattern. X-SVN-Rev: 23979
2008-05-23 18:35:24 +00:00
if (patternSize == 0) {
matchStart = matchEnd = 0;
return FALSE;
}
ICU-5420 merge changes from branches/eric/string-search r.23303 - r.23976 X-SVN-Rev: 23977
2008-05-23 04:22:28 +00:00
matchStart = matchEnd = -1;
for(int32_t i = 0; i < targetSize; i += 1) {
if (targetOrders.matchesAt(i, patternOrders)) {
int32_t start = targetOrders.getLowOffset(i);
int32_t maxLimit = targetOrders.getLowOffset(i + patternSize);
int32_t minLimit = targetOrders.getLowOffset(i + patternSize - 1);
// if the low and high offsets of the first CE in
// the match are the same, it means that the match
// starts in the middle of an expansion - all but
// the first CE of the expansion will have the offset
// of the following character.
if (start == targetOrders.getHighOffset(i)) {
continue;
}
// Make sure match starts on a grapheme boundary
if (! ubrk_isBoundary(charBreakIterator, start)) {
continue;
}
// If the low and high offsets of the CE after the match
// are the same, it means that the match ends in the middle
// of an expansion sequence.
if (maxLimit == targetOrders.getHighOffset(i + patternSize) &&
targetOrders.getOrder(i + patternSize) != UCOL_NULLORDER) {
continue;
}
int32_t mend = maxLimit;
// Find the first grapheme break after the character index
// of the last CE in the match. If it's after character index
// that's after the last CE in the match, use that index
// as the end of the match.
if (minLimit < maxLimit) {
int32_t nba = ubrk_following(charBreakIterator, minLimit);
if (nba >= targetOrders.getHighOffset(i + patternSize - 1)) {
mend = nba;
}
}
if (mend > maxLimit) {
continue;
}
if (! ubrk_isBoundary(charBreakIterator, mend)) {
continue;
}
matchStart = start;
matchEnd = mend;
ubrk_close(charBreakIterator);
return TRUE;
}
}
ubrk_close(charBreakIterator);
return FALSE;
}
#if !UCONFIG_NO_REGULAR_EXPRESSIONS
static int32_t getIntParam(UnicodeString name, UnicodeString &params, int32_t defaultVal) {
int32_t val = defaultVal;
name.append(" *= *(-?\\d+)");
UErrorCode status = U_ZERO_ERROR;
RegexMatcher m(name, params, 0, status);
if (m.find()) {
// The param exists. Convert the string to an int.
char valString[100];
int32_t paramLength = m.end(1, status) - m.start(1, status);
if (paramLength >= (int32_t)(sizeof(valString)-1)) {
paramLength = (int32_t)(sizeof(valString)-2);
}
params.extract(m.start(1, status), paramLength, valString, sizeof(valString));
val = strtol(valString, NULL, 10);
// Delete this parameter from the params string.
m.reset();
params = m.replaceFirst("", status);
}
//U_ASSERT(U_SUCCESS(status));
if (! U_SUCCESS(status)) {
val = defaultVal;
}
return val;
}
#endif
int32_t SSearchTest::monkeyTestCase(UCollator *coll, const UnicodeString &testCase, const UnicodeString &pattern, const UnicodeString &altPattern,
const char *name, const char *strength, uint32_t seed)
{
UErrorCode status = U_ZERO_ERROR;
int32_t actualStart = -1, actualEnd = -1;
//int32_t expectedStart = prefix.length(), expectedEnd = prefix.length() + altPattern.length();
int32_t expectedStart = -1, expectedEnd = -1;
int32_t notFoundCount = 0;
UStringSearch *uss = usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
testCase.getBuffer(), testCase.length(),
coll,
NULL, // the break iterator
&status);
// **** TODO: find *all* matches, not just first one ****
simpleSearch(coll, testCase, 0, pattern, expectedStart, expectedEnd);
#if 0
usearch_search(uss, 0, &actualStart, &actualEnd, &status);
#else
actualStart = usearch_next(uss, &status);
actualEnd = actualStart + usearch_getMatchedLength(uss);
#endif
if (actualStart != expectedStart || actualEnd != expectedEnd) {
errln("Search for <pattern> in <%s> failed: expected [%d, %d], got [%d, %d]\n"
" strength=%s seed=%d",
name, expectedStart, expectedEnd, actualStart, actualEnd, strength, seed);
}
if (expectedStart == -1 && actualStart == -1) {
notFoundCount += 1;
}
// **** TODO: find *all* matches, not just first one ****
simpleSearch(coll, testCase, 0, altPattern, expectedStart, expectedEnd);
usearch_setPattern(uss, altPattern.getBuffer(), altPattern.length(), &status);
#if 0
usearch_search(uss, 0, &actualStart, &actualEnd, &status);
#else
usearch_reset(uss);
actualStart = usearch_next(uss, &status);
actualEnd = actualStart + usearch_getMatchedLength(uss);
#endif
if (actualStart != expectedStart || actualEnd != expectedEnd) {
errln("Search for <alt_pattern> in <%s> failed: expected [%d, %d], got [%d, %d]\n"
" strength=%s seed=%d",
name, expectedStart, expectedEnd, actualStart, actualEnd, strength, seed);
}
if (expectedStart == -1 && actualStart == -1) {
notFoundCount += 1;
}
usearch_close(uss);
return notFoundCount;
}
void SSearchTest::monkeyTest(char *params)
{
// ook!
UErrorCode status = U_ZERO_ERROR;
U_STRING_DECL(test_pattern, "[[:assigned:]-[:ideographic:]-[:hangul:]-[:c:]]", 47);
U_STRING_INIT(test_pattern, "[[:assigned:]-[:ideographic:]-[:hangul:]-[:c:]]", 47);
UCollator *coll = ucol_open(NULL, &status);
USet *charsToTest = uset_openPattern(test_pattern, 47, &status);
USet *expansions = uset_openEmpty();
USet *contractions = uset_openEmpty();
StringToCEsMap *charsToCEList = new StringToCEsMap();
CEToStringsMap *ceToCharsStartingWith = new CEToStringsMap();
ucol_getContractionsAndExpansions(coll, contractions, expansions, FALSE, &status);
uset_addAll(charsToTest, contractions);
uset_addAll(charsToTest, expansions);
// TODO: set strength to UCOL_PRIMARY, change CEList to use strength?
buildData(coll, charsToTest, charsToCEList, ceToCharsStartingWith);
U_STRING_DECL(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
U_STRING_INIT(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
USet *letters = uset_openPattern(letter_pattern, 39, &status);
SetMonkey letterMonkey(letters);
StringSetMonkey contractionMonkey(contractions, coll, charsToCEList, ceToCharsStartingWith);
StringSetMonkey expansionMonkey(expansions, coll, charsToCEList, ceToCharsStartingWith);
UnicodeString testCase;
UnicodeString alternate;
UnicodeString pattern, altPattern;
UnicodeString prefix, altPrefix;
UnicodeString suffix, altSuffix;
Monkey *monkeys[] = {
&letterMonkey,
&contractionMonkey,
&expansionMonkey,
&contractionMonkey,
&expansionMonkey,
&contractionMonkey,
&expansionMonkey,
&contractionMonkey,
&expansionMonkey};
int32_t monkeyCount = sizeof(monkeys) / sizeof(monkeys[0]);
int32_t nonMatchCount = 0;
UCollationStrength strengths[] = {UCOL_PRIMARY, UCOL_SECONDARY, UCOL_TERTIARY};
const char *strengthNames[] = {"primary", "secondary", "tertiary"};
int32_t strengthCount = sizeof(strengths) / sizeof(strengths[0]);
int32_t loopCount = quick? 1000 : 10000;
int32_t firstStrength = 0;
int32_t lastStrength = strengthCount - 1;
if (params != NULL) {
#if !UCONFIG_NO_REGULAR_EXPRESSIONS
UnicodeString p(params);
loopCount = getIntParam("loop", p, loopCount);
m_seed = getIntParam("seed", p, m_seed);
RegexMatcher m(" *strength *= *(primary|secondary|tertiary) *", p, 0, status);
if (m.find()) {
UnicodeString breakType = m.group(1, status);
for (int32_t s = 0; s < strengthCount; s += 1) {
if (breakType == strengthNames[s]) {
firstStrength = lastStrength = s;
break;
}
}
m.reset();
p = m.replaceFirst("", status);
}
if (RegexMatcher("\\S", p, 0, status).find()) {
// Each option is stripped out of the option string as it is processed.
// All options have been checked. The option string should have been completely emptied..
char buf[100];
p.extract(buf, sizeof(buf), NULL, status);
buf[sizeof(buf)-1] = 0;
errln("Unrecognized or extra parameter: %s\n", buf);
return;
}
#else
infoln("SSearchTest built with UCONFIG_NO_REGULAR_EXPRESSIONS: ignoring parameters.");
#endif
}
for(int32_t s = firstStrength; s <= lastStrength; s += 1) {
int32_t notFoundCount = 0;
ucol_setStrength(coll, strengths[s]);
// TODO: try alternate prefix and suffix too?
// TODO: alterntaes are only equal at primary strength. Is this OK?
for(int32_t t = 0; t < 10000; t += 1) {
uint32_t seed = m_seed;
int32_t nmc = 0;
generateTestCase(coll, monkeys, monkeyCount, pattern, altPattern);
generateTestCase(coll, monkeys, monkeyCount, prefix, altPrefix);
generateTestCase(coll, monkeys, monkeyCount, suffix, altSuffix);
// pattern
notFoundCount += monkeyTestCase(coll, pattern, pattern, altPattern, "pattern", strengthNames[s], seed);
testCase.remove();
testCase.append(prefix);
testCase.append(/*alt*/pattern);
// prefix + pattern
notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern", strengthNames[s], seed);
testCase.append(suffix);
// prefix + pattern + suffix
notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern + suffix", strengthNames[s], seed);
testCase.remove();
testCase.append(pattern);
testCase.append(suffix);
// pattern + suffix
notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "pattern + suffix", strengthNames[s], seed);
}
logln("For strength %s the not found count is %d.", strengthNames[s], notFoundCount);
}
delete ceToCharsStartingWith;
delete charsToCEList;
uset_close(contractions);
uset_close(expansions);
uset_close(charsToTest);
ucol_close(coll);
}
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