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      1 /*
      2 www.sourceforge.net/projects/tinyxml
      3 Original file by Yves Berquin.
      4 
      5 This software is provided 'as-is', without any express or implied
      6 warranty. In no event will the authors be held liable for any
      7 damages arising from the use of this software.
      8 
      9 Permission is granted to anyone to use this software for any
     10 purpose, including commercial applications, and to alter it and
     11 redistribute it freely, subject to the following restrictions:
     12 
     13 1. The origin of this software must not be misrepresented; you must
     14 not claim that you wrote the original software. If you use this
     15 software in a product, an acknowledgment in the product documentation
     16 would be appreciated but is not required.
     17 
     18 2. Altered source versions must be plainly marked as such, and
     19 must not be misrepresented as being the original software.
     20 
     21 3. This notice may not be removed or altered from any source
     22 distribution.
     23 */
     24 
     25 /*
     26  * THIS FILE WAS ALTERED BY Tyge Lvset, 7. April 2005.
     27  */
     28 
     29 
     30 #ifndef TIXML_USE_STL
     31 
     32 #include "tinystr.h"
     33 
     34 // Error value for find primitive
     35 const TiXmlString::size_type TiXmlString::npos = static_cast< size_type >(-1);
     36 
     37 // Null rep.
     38 TiXmlString::Rep TiXmlString::nullrep_ = { 0, 0, '\0' };
     39 
     40 
     41 void TiXmlString::reserve (size_type cap)
     42 {
     43 	if (cap > capacity())
     44 	{
     45 		TiXmlString tmp;
     46 		tmp.init(length(), cap);
     47 		memcpy(tmp.start(), data(), length());
     48 		swap(tmp);
     49 	}
     50 }
     51 
     52 
     53 TiXmlString& TiXmlString::assign(const char* str, size_type len)
     54 {
     55 	size_type cap = capacity();
     56 	if (len > cap || cap > 3*(len + 8))
     57 	{
     58 		TiXmlString tmp;
     59 		tmp.init(len);
     60 		memcpy(tmp.start(), str, len);
     61 		swap(tmp);
     62 	}
     63 	else
     64 	{
     65 		memmove(start(), str, len);
     66 		set_size(len);
     67 	}
     68 	return *this;
     69 }
     70 
     71 
     72 TiXmlString& TiXmlString::append(const char* str, size_type len)
     73 {
     74 	size_type newsize = length() + len;
     75 	if (newsize > capacity())
     76 	{
     77 		reserve (newsize + capacity());
     78 	}
     79 	memmove(finish(), str, len);
     80 	set_size(newsize);
     81 	return *this;
     82 }
     83 
     84 
     85 TiXmlString operator + (const TiXmlString & a, const TiXmlString & b)
     86 {
     87 	TiXmlString tmp;
     88 	tmp.reserve(a.length() + b.length());
     89 	tmp += a;
     90 	tmp += b;
     91 	return tmp;
     92 }
     93 
     94 TiXmlString operator + (const TiXmlString & a, const char* b)
     95 {
     96 	TiXmlString tmp;
     97 	TiXmlString::size_type b_len = static_cast<TiXmlString::size_type>( strlen(b) );
     98 	tmp.reserve(a.length() + b_len);
     99 	tmp += a;
    100 	tmp.append(b, b_len);
    101 	return tmp;
    102 }
    103 
    104 TiXmlString operator + (const char* a, const TiXmlString & b)
    105 {
    106 	TiXmlString tmp;
    107 	TiXmlString::size_type a_len = static_cast<TiXmlString::size_type>( strlen(a) );
    108 	tmp.reserve(a_len + b.length());
    109 	tmp.append(a, a_len);
    110 	tmp += b;
    111 	return tmp;
    112 }
    113 
    114 
    115 #endif	// TIXML_USE_STL
    116