/usr/include/xmltooling/unicode.h is in libxmltooling-dev 1.6.4-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Licensed to the University Corporation for Advanced Internet
* Development, Inc. (UCAID) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* UCAID licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific
* language governing permissions and limitations under the License.
*/
/**
* @file xmltooling/unicode.h
*
* Helper classes and types for manipulating Unicode
*/
#ifndef __xmltooling_unicode_h__
#define __xmltooling_unicode_h__
#include <xmltooling/base.h>
#ifndef HAVE_GOOD_STL
# include <xmltooling/char_traits.h>
#endif
#include <string>
#include <iostream>
#include <xercesc/util/XMLString.hpp>
namespace xmltooling {
#ifdef HAVE_GOOD_STL
/**
* An STL string type that supports 16-bit Unicode.
*/
typedef std::basic_string<XMLCh> xstring;
#else
/**
* An STL string type that supports 16-bit Unicode.
*/
typedef std::basic_string< XMLCh,char_traits<XMLCh> > xstring;
#endif
/**
* Transcodes a 16-bit Unicode string into UTF-8.
*
* @param src the 16-bit string to transcode
* @param use_malloc true iff the result should be allocated with malloc, false to use new
* @return a UTF-8 string allocated by new or malloc
*/
extern XMLTOOL_API char* toUTF8(const XMLCh* src, bool use_malloc=false);
/**
* Transcodes a UTF-8 string into 16-bit Unicode.
*
* @param src the UTF-8 string to transcode
* @param use_malloc true iff the result should be allocated with malloc, false to use new
* @return a 16-bit Unicode string allocated by new or malloc
*/
extern XMLTOOL_API XMLCh* fromUTF8(const char* src, bool use_malloc=false);
/**
* Writes a Unicode string to an ASCII stream by transcoding to UTF8.
*
* @param ostr stream to write to
* @param s string to write
* @return reference to output stream
*/
extern XMLTOOL_API std::ostream& operator<<(std::ostream& ostr, const XMLCh* s);
/**
* Writes a Unicode string to an ASCII stream by transcoding to UTF8.
*
* @param ostr stream to write to
* @param s string to write
* @return reference to output stream
*/
extern XMLTOOL_API std::ostream& operator<<(std::ostream& ostr, const xstring& s);
/**
* A minimal auto_ptr-like class that can copy or transcode a buffer into
* the local code page and free the result automatically.
*
* Needed because a standard auto_ptr would use delete on the resulting
* pointer.
*/
class XMLTOOL_API auto_ptr_char
{
MAKE_NONCOPYABLE(auto_ptr_char);
public:
/**
* Default constructor.
*/
auto_ptr_char() : m_buf(nullptr) {
}
/**
* Constructor transcodes a 16-bit Unicode string into the local code page (NOT UTF-8) and wraps the result.
* @param src the 16-bit string to transcode and wrap
* @param trim trims leading/trailing whitespace from the result (defaults to true)
*/
auto_ptr_char(const XMLCh* src, bool trim=true) : m_buf(xercesc::XMLString::transcode(src)) {
if (trim && m_buf) xercesc::XMLString::trim(m_buf);
}
/**
* Constructor copies a local code page (NOT UTF-8) string and wraps the result.
* @param src the local string to copy and wrap
* @param trim trims leading/trailing whitespace from the result (defaults to true)
*/
auto_ptr_char(const char* src, bool trim=true) : m_buf(xercesc::XMLString::replicate(src)) {
if (trim && m_buf) xercesc::XMLString::trim(m_buf);
}
/**
* Destructor frees the wrapped buffer using the Xerces memory manager.
*/
~auto_ptr_char() {
xercesc::XMLString::release(&m_buf);
}
/**
* Returns the wrapped buffer.
* @return a null-terminated local code page string
*/
const char* get() const {
return m_buf;
}
/**
* Returns the wrapped buffer and transfers ownership of it to the caller.
* @return a null-terminated local code page string
*/
char* release() {
char* temp=m_buf; m_buf=nullptr; return temp;
}
private:
char* m_buf;
};
/**
* A minimal auto_ptr-like class that can copy or transcode a buffer into
* 16-bit Unicode and free the result automatically.
*
* Needed because a standard auto_ptr would use delete on the resulting
* pointer.
*/
class XMLTOOL_API auto_ptr_XMLCh
{
MAKE_NONCOPYABLE(auto_ptr_XMLCh);
public:
/**
* Default constructor.
*/
auto_ptr_XMLCh() : m_buf(nullptr) {
}
/**
* Constructor transcodes a local code page (NOT UTF-8) string into 16-bit Unicode and wraps the result.
* @param src the local string to transcode and wrap
* @param trim trims leading/trailing whitespace from the result (defaults to true)
*/
auto_ptr_XMLCh(const char* src, bool trim=true) : m_buf(xercesc::XMLString::transcode(src)) {
if (trim && m_buf) xercesc::XMLString::trim(m_buf);
}
/**
* Constructor copies a 16-bit Unicode string and wraps the result.
* @param src the Unicode string to copy and wrap
* @param trim trims leading/trailing whitespace from the result (defaults to true)
*/
auto_ptr_XMLCh(const XMLCh* src, bool trim=true) : m_buf(xercesc::XMLString::replicate(src)) {
if (trim && m_buf) xercesc::XMLString::trim(m_buf);
}
/**
* Destructor frees the wrapped buffer using the Xerces memory manager.
*/
~auto_ptr_XMLCh() {
xercesc::XMLString::release(&m_buf);
}
/**
* Returns the wrapped buffer.
* @return a null-terminated Unicode string
*/
const XMLCh* get() const {
return m_buf;
}
/**
* Returns the wrapped buffer and transfers ownership of it to the caller.
* @return a null-terminated Unicode string
*/
XMLCh* release() {
XMLCh* temp=m_buf; m_buf=nullptr; return temp;
}
private:
XMLCh* m_buf;
};
/**
* An auto_ptr that uses array delete on its contents.
*
* @param T type of pointer to wrap
*/
template <typename T> class auto_arrayptr
{
T* m_ptr;
auto_arrayptr(const auto_arrayptr<T>&);
auto_arrayptr<T>& operator=(const auto_arrayptr<T>&);
public:
/**
* Constructor.
*
* @param ptr pointer to wrap
*/
auto_arrayptr(T* ptr) : m_ptr(ptr) {
}
/**
* Destructor, uses array delete operation on wrapped pointer.
*/
~auto_arrayptr() {
delete[] m_ptr;
}
/**
* Returns the wrapped pointer.
* @return the wrapped pointer
*/
const T* get() const {
return m_ptr;
}
/**
* Returns the wrapped pointer and transfers ownership of it to the caller.
* @return the wrapped pointer
*/
T* release() {
T* temp=m_ptr; m_ptr=nullptr; return temp;
}
};
};
#endif /* __xmltooling_unicode_h__ */
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