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      1 /*
      2  * libjingle
      3  * Copyright 2004--2005, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "talk/xmllite/qname.h"
     29 
     30 namespace buzz {
     31 
     32 QName::QName() {
     33 }
     34 
     35 QName::QName(const QName& qname)
     36     : namespace_(qname.namespace_),
     37       local_part_(qname.local_part_) {
     38 }
     39 
     40 QName::QName(const StaticQName& const_value)
     41     : namespace_(const_value.ns),
     42       local_part_(const_value.local) {
     43 }
     44 
     45 QName::QName(const std::string& ns, const std::string& local)
     46     : namespace_(ns),
     47       local_part_(local) {
     48 }
     49 
     50 QName::QName(const std::string& merged_or_local) {
     51   size_t i = merged_or_local.rfind(':');
     52   if (i == std::string::npos) {
     53     local_part_ = merged_or_local;
     54   } else {
     55     namespace_ = merged_or_local.substr(0, i);
     56     local_part_ = merged_or_local.substr(i + 1);
     57   }
     58 }
     59 
     60 QName::~QName() {
     61 }
     62 
     63 std::string QName::Merged() const {
     64   if (namespace_[0] == '\0')
     65     return local_part_;
     66 
     67   std::string result;
     68   result.reserve(namespace_.length() + 1 + local_part_.length());
     69   result += namespace_;
     70   result += ':';
     71   result += local_part_;
     72   return result;
     73 }
     74 
     75 bool QName::IsEmpty() const {
     76   return namespace_.empty() && local_part_.empty();
     77 }
     78 
     79 int QName::Compare(const StaticQName& other) const {
     80   int result = local_part_.compare(other.local);
     81   if (result != 0)
     82     return result;
     83 
     84   return namespace_.compare(other.ns);
     85 }
     86 
     87 int QName::Compare(const QName& other) const {
     88   int result = local_part_.compare(other.local_part_);
     89   if (result != 0)
     90     return result;
     91 
     92   return namespace_.compare(other.namespace_);
     93 }
     94 
     95 }  // namespace buzz
     96