C++ UnicodeString::clone方法代码示例

  virtual UObject* create(const ICUServiceKey& key, const ICUService* /*service*/, UErrorCode& status) const  {

  LocaleKey &lkey = (LocaleKey&)key;
  Locale loc;
  lkey.currentLocale(loc);

#ifdef U_DEBUG_CALSVC
  fprintf(stderr, "DefaultCalendar factory %p: looking up %s\n", 
          this, (const char*)loc.getName());
#endif

  UErrorCode resStatus = U_ZERO_ERROR;

  UResourceBundle *rb = ures_open(NULL, (const char*)loc.getName(), &resStatus);

#ifdef U_DEBUG_CALSVC
  fprintf(stderr, "... ures_open -> %s\n", u_errorName(resStatus));
#endif
  if(U_FAILURE(resStatus) || 
     (resStatus == U_USING_DEFAULT_WARNING) || (resStatus==U_USING_FALLBACK_WARNING)) { //Don't want to handle fallback data.
    ures_close(rb);
    status = resStatus; // propagate err back to caller
#ifdef U_DEBUG_CALSVC
    fprintf(stderr, "... exitting (NULL)\n");
#endif

    return NULL;
  }

  int32_t len = 0;

  UnicodeString myString = ures_getUnicodeStringByKey(rb, Calendar::kDefaultCalendar, &status);

#ifdef U_DEBUG_CALSVC
  UErrorCode debugStatus = U_ZERO_ERROR;
  const UChar *defCal = ures_getStringByKey(rb, Calendar::kDefaultCalendar, &len,  &debugStatus);
  fprintf(stderr, "... get string(%d) -> %s\n", len, u_errorName(debugStatus));
#endif

  ures_close(rb);
  
   if(U_FAILURE(status)) {
    return NULL;
  }
 

#ifdef U_DEBUG_CALSVC
   {
     char defCalStr[200];
     if(len > 199) {
       len = 199;
     }
     u_UCharsToChars(defCal, defCalStr, len);
     defCalStr[len]=0;
     fprintf(stderr, "DefaultCalendarFactory: looked up %s, got DefaultCalendar= %s\n",  (const char*)loc.getName(), defCalStr);
   }
#endif

   return myString.clone();
 }

//
//  createElement
//      We've just matched an element start tag.  Create and fill in a UXMLElement object
//      for it.
//
UXMLElement *
UXMLParser::createElement(RegexMatcher  &mEl, UErrorCode &status) {
    // First capture group is the element's name.
    UXMLElement *el = new UXMLElement(this, intern(mEl.group(1, status), status), status);

    // Scan for attributes.
    int32_t   pos = mEl.end(1, status);  // The position after the end of the tag name

    while (mAttrValue.lookingAt(pos, status)) {  // loop runs once per attribute on this element.
        UnicodeString attName  = mAttrValue.group(1, status);
        UnicodeString attValue = mAttrValue.group(2, status);

        // Trim the quotes from the att value.  These are left over from the original regex
        //   that parsed the attribue, which couldn't conveniently strip them.
        attValue.remove(0,1);                    // one char from the beginning
        attValue.truncate(attValue.length()-1);  // and one from the end.
        
        // XML Attribue value normalization. 
        // This is one of the really screwy parts of the XML spec.
        // See http://www.w3.org/TR/2004/REC-xml11-20040204/#AVNormalize
        // Note that non-validating parsers must treat all entities as type CDATA
        //   which simplifies things some.

        // Att normalization step 1:  normalize any newlines in the attribute value
        mNewLineNormalizer.reset(attValue);
        attValue = mNewLineNormalizer.replaceAll(fOneLF, status);

        // Next change all xml white space chars to plain \u0020 spaces.
        mAttrNormalizer.reset(attValue);
        UnicodeString oneSpace((UChar)0x0020);
        attValue = mAttrNormalizer.replaceAll(oneSpace, status);

        // Replace character entities.
        replaceCharRefs(attValue, status);

        // Save the attribute name and value in our document structure.
        el->fAttNames.addElement((void *)intern(attName, status), status);
        el->fAttValues.addElement(attValue.clone(), status);
        pos = mAttrValue.end(2, status);
    }
    fPos = mEl.end(0, status);
    return el;
}

/**
 * Register an entry object (adopted) with the given ID, source,
 * target, and variant strings.
 */
void TransliteratorRegistry::registerEntry(const UnicodeString& ID,
                                           const UnicodeString& source,
                                           const UnicodeString& target,
                                           const UnicodeString& variant,
                                           TransliteratorEntry* adopted,
                                           UBool visible) {
    UErrorCode status = U_ZERO_ERROR;
    registry.put(ID, adopted, status);
    if (visible) {
        registerSTV(source, target, variant);
        if (!availableIDs.contains((void*) &ID)) {
            UnicodeString *newID = (UnicodeString *)ID.clone();
            // Check to make sure newID was created.
            if (newID != NULL) {
               // NUL-terminate the ID string
               newID->getTerminatedBuffer();
               availableIDs.addElement(newID, status);
            }
        }
    } else {
        removeSTV(source, target, variant);
        availableIDs.removeElement((void*) &ID);
    }
}

UXMLElement *
UXMLParser::parse(const UnicodeString &src, UErrorCode &status) {
    if(U_FAILURE(status)) {
        return NULL;
    }

    UXMLElement   *root = NULL;
    fPos = 0; // TODO use just a local pos variable and pass it into functions
              // where necessary?

    // set all matchers to work on the input string
    mXMLDecl.reset(src);
    mXMLComment.reset(src);
    mXMLSP.reset(src);
    mXMLDoctype.reset(src);
    mXMLPI.reset(src);
    mXMLElemStart.reset(src);
    mXMLElemEnd.reset(src);
    mXMLElemEmpty.reset(src);
    mXMLCharData.reset(src);
    mAttrValue.reset(src);
    mAttrNormalizer.reset(src);
    mNewLineNormalizer.reset(src);
    mAmps.reset(src);

    // Consume the XML Declaration, if present.
    if (mXMLDecl.lookingAt(fPos, status)) {
        fPos = mXMLDecl.end(status);
    }

    // Consume "misc" [XML production 27] appearing before DocType
    parseMisc(status);

    // Consume a DocType declaration, if present.
    if (mXMLDoctype.lookingAt(fPos, status)) {
        fPos = mXMLDoctype.end(status);
    }

    // Consume additional "misc" [XML production 27] appearing after the DocType
    parseMisc(status);

    // Get the root element
    if (mXMLElemEmpty.lookingAt(fPos, status)) {
        // Root is an empty element (no nested elements or content)
        root = createElement(mXMLElemEmpty, status);
        fPos = mXMLElemEmpty.end(status);
    } else {
        if (mXMLElemStart.lookingAt(fPos, status) == FALSE) {
            error("Root Element expected", status);
            goto errorExit;
        }
        root = createElement(mXMLElemStart, status);
        UXMLElement  *el = root;

        //
        // This is the loop that consumes the root element of the document,
        //      including all nested content.   Nested elements are handled by
        //      explicit pushes/pops of the element stack; there is no recursion
        //      in the control flow of this code.
        //      "el" always refers to the current element, the one to which content
        //      is being added.  It is above the top of the element stack.
        for (;;) {
            // Nested Element Start
            if (mXMLElemStart.lookingAt(fPos, status)) {
                UXMLElement *t = createElement(mXMLElemStart, status);
                el->fChildren.addElement(t, status);
                t->fParent = el;
                fElementStack.push(el, status);
                el = t;
                continue;
            }

            // Text Content.  String is concatenated onto the current node's content,
            //                but only if it contains something other than spaces.
            UnicodeString s = scanContent(status);
            if (s.length() > 0) {
                mXMLSP.reset(s);
                if (mXMLSP.matches(status) == FALSE) {
                    // This chunk of text contains something other than just
                    //  white space. Make a child node for it.
                    replaceCharRefs(s, status);
                    el->fChildren.addElement(s.clone(), status);
                }
                mXMLSP.reset(src);    // The matchers need to stay set to the main input string.
                continue;
            }

            // Comments.  Discard.
            if (mXMLComment.lookingAt(fPos, status)) {
                fPos = mXMLComment.end(status);
                continue;
            }

            // PIs.  Discard.
            if (mXMLPI.lookingAt(fPos, status)) {
                fPos = mXMLPI.end(status);
                continue;
            }

            // Element End
//.........这里部分代码省略.........