scuffed-code/icu4c/source/i18n/brkiter.cpp

198 lines
6.1 KiB
C++

/*
*******************************************************************************
* Copyright (C) 1997-2000, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*
* File TXTBDRY.CPP
*
* Modification History:
*
* Date Name Description
* 02/18/97 aliu Converted from OpenClass. Added DONE.
* 01/13/2000 helena Added UErrorCode parameter to createXXXInstance methods.
*****************************************************************************************
*/
// *****************************************************************************
// This file was generated from the java source file BreakIterator.java
// *****************************************************************************
#include "unicode/dbbi.h"
#include "unicode/brkiter.h"
#include "unicode/udata.h"
#include "unicode/resbund.h"
#include "cstring.h"
#include <string.h>
// *****************************************************************************
// class BreakIterator
// This class implements methods for finding the location of boundaries in text.
// Instances of BreakIterator maintain a current position and scan over text
// returning the index of characters where boundaries occur.
// *****************************************************************************
const UTextOffset BreakIterator::DONE = (int32_t)-1;
// -------------------------------------
// Creates a simple text boundary for word breaks.
BreakIterator*
BreakIterator::createWordInstance(const Locale& key, UErrorCode& status)
{
// WARNING: This routine is currently written specifically to handle only the
// default rules files and the alternate rules files for Thai. This function
// will have to be made fully general at some time in the future!
BreakIterator* result = NULL;
const char* filename = "word";
UnicodeString temp;
if (U_FAILURE(status)) return NULL;
if (!uprv_strcmp(key.getLanguage(), "th"))
{
filename = "word_th";
}
UDataMemory* file = udata_open(NULL, "brk", filename, &status);
if (!U_FAILURE(status)) {
if(!uprv_strcmp(filename, "word_th")) {
filename = "thaidict.brk";
result = new DictionaryBasedBreakIterator(file, (char *)filename, status);
}
else {
result = new RuleBasedBreakIterator(file);
}
}
return result;
}
// -------------------------------------
// Creates a simple text boundary for line breaks.
BreakIterator*
BreakIterator::createLineInstance(const Locale& key, UErrorCode& status)
{
// WARNING: This routine is currently written specifically to handle only the
// default rules files and the alternate rules files for Thai. This function
// will have to be made fully general at some time in the future!
BreakIterator* result = NULL;
const char* filename = "line";
UnicodeString temp;
if (U_FAILURE(status)) return NULL;
if (!uprv_strcmp(key.getLanguage(), "th"))
{
filename = "line_th";
}
UDataMemory* file = udata_open(NULL, "brk", filename, &status);
if (!U_FAILURE(status)) {
if (!uprv_strcmp(key.getLanguage(), "th")) {
const char* dataDir = u_getDataDirectory();
filename = "thaidict.brk";
result = new DictionaryBasedBreakIterator(file, (char *)filename, status);
}
else {
result = new RuleBasedBreakIterator(file);
}
}
return result;
}
// -------------------------------------
// Creates a simple text boundary for character breaks.
BreakIterator*
BreakIterator::createCharacterInstance(const Locale& key, UErrorCode& status)
{
// WARNING: This routine is currently written specifically to handle only the
// default rules files and the alternate rules files for Thai. This function
// will have to be made fully general at some time in the future!
BreakIterator* result = NULL;
const char* filename = "char";
if (U_FAILURE(status)) return NULL;
UDataMemory* file = udata_open(NULL, "brk", filename, &status);
if (!U_FAILURE(status)) {
result = new RuleBasedBreakIterator(file);
}
return result;
}
// -------------------------------------
// Creates a simple text boundary for sentence breaks.
BreakIterator*
BreakIterator::createSentenceInstance(const Locale& key, UErrorCode& status)
{
// WARNING: This routine is currently written specifically to handle only the
// default rules files and the alternate rules files for Thai. This function
// will have to be made fully general at some time in the future!
BreakIterator* result = NULL;
const char* filename = "sent";
if (U_FAILURE(status)) return NULL;
UDataMemory* file = udata_open(NULL, "brk", filename, &status);
if (!U_FAILURE(status)) {
result = new RuleBasedBreakIterator(file);
}
return result;
}
// -------------------------------------
// Gets all the available locales that has localized text boundary data.
const Locale*
BreakIterator::getAvailableLocales(int32_t& count)
{
return Locale::getAvailableLocales(count);
}
// -------------------------------------
// Gets the objectLocale display name in the default locale language.
UnicodeString&
BreakIterator::getDisplayName(const Locale& objectLocale,
UnicodeString& name)
{
return objectLocale.getDisplayName(name);
}
// -------------------------------------
// Gets the objectLocale display name in the displayLocale language.
UnicodeString&
BreakIterator::getDisplayName(const Locale& objectLocale,
const Locale& displayLocale,
UnicodeString& name)
{
return objectLocale.getDisplayName(displayLocale, name);
}
// -------------------------------------
// Needed because we declare the copy constructor (in order to prevent synthesizing one) and
// so the default constructor is no longer synthesized.
BreakIterator::BreakIterator()
{
fBufferClone = FALSE;
}
BreakIterator::~BreakIterator()
{
}
//eof