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alpar@83
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1 |
/* -*- C++ -*-
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alpar@83
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2 |
*
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alpar@174
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3 |
* This file is a part of LEMON, a generic C++ optimization library
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alpar@174
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4 |
*
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alpar@174
|
5 |
* Copyright (C) 2003-2006
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alpar@174
|
6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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alpar@83
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7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES).
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alpar@83
|
8 |
*
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alpar@83
|
9 |
* Permission to use, modify and distribute this software is granted
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alpar@83
|
10 |
* provided that this copyright notice appears in all copies. For
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alpar@83
|
11 |
* precise terms see the accompanying LICENSE file.
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alpar@83
|
12 |
*
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alpar@83
|
13 |
* This software is provided "AS IS" with no warranty of any kind,
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alpar@83
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14 |
* express or implied, and with no claim as to its suitability for any
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alpar@83
|
15 |
* purpose.
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alpar@83
|
16 |
*
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alpar@83
|
17 |
*/
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alpar@2
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18 |
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alpar@2
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19 |
#include <iostream>
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alpar@2
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20 |
#include <string>
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alpar@2
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21 |
#include <vector>
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alpar@2
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22 |
#include <list>
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alpar@2
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23 |
#include <map>
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alpar@39
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24 |
#include <lemon/error.h>
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hegyi@150
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25 |
#include <lemon/dim2.h>
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alpar@2
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26 |
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alpar@39
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27 |
namespace lemon {
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alpar@2
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28 |
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alpar@83
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29 |
class XmlIo
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alpar@39
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30 |
{
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alpar@83
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31 |
bool _writeMode;
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alpar@83
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32 |
public:
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alpar@83
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33 |
///Check if XmlIo is in write mode.
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alpar@83
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34 |
bool write() { return _writeMode;}
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alpar@83
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35 |
///Check if XmlIo is in read mode.
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alpar@83
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36 |
bool read() { return !_writeMode;}
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alpar@83
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37 |
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alpar@39
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38 |
std::ostream& os;
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alpar@39
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39 |
int level;
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alpar@83
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40 |
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alpar@39
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41 |
protected:
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alpar@39
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42 |
void indent(int level) {
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alpar@39
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43 |
os << std::endl;
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alpar@39
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44 |
for(int i=0;i<level;i++) os << ' ';
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alpar@39
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45 |
}
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alpar@39
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46 |
void tag(const std::string &_tag) {
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alpar@39
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47 |
os << '<' << _tag << '>';
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alpar@39
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48 |
}
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alpar@39
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49 |
void etag(const std::string &_tag) {
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alpar@39
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50 |
os << "</" << _tag << '>';
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alpar@39
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51 |
}
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alpar@39
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52 |
void itag(const std::string &_tag) { indent();tag(_tag); }
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alpar@39
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53 |
void ietag(const std::string &_tag) { indent();etag(_tag); }
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alpar@2
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54 |
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alpar@39
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55 |
void beginTag(const std::string &_tag) {
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alpar@39
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56 |
itag(_tag);
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alpar@39
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57 |
level++;
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alpar@39
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58 |
}
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alpar@39
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59 |
void endTag(const std::string &_tag) {
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alpar@39
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60 |
level--;
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alpar@39
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61 |
ietag(_tag);
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alpar@39
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}
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alpar@2
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63 |
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alpar@39
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64 |
public:
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alpar@83
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65 |
///Indent the line according to its level.
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alpar@39
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66 |
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alpar@83
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///\warning It can only be used in write mode.
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alpar@83
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68 |
///
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alpar@83
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void indent()
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alpar@39
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{
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alpar@83
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if(write())
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alpar@83
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72 |
if(level>=0) indent(level);
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alpar@83
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else level=0;
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alpar@83
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else throw LogicError();
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alpar@39
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75 |
}
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alpar@2
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alpar@83
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///Read/write a tag
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alpar@2
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alpar@83
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///Read/write a tag.
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alpar@83
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///In write mode it does not start a new line.
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alpar@39
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class ContTag
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alpar@39
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82 |
{
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alpar@83
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XmlIo &ix;
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alpar@39
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const std::string _tag;
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alpar@39
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public:
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alpar@39
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///\e
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alpar@2
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alpar@39
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88 |
///\e
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alpar@39
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89 |
///
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alpar@83
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ContTag(XmlIo &_ix,const std::string &_t) :
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alpar@39
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ix(_ix), _tag(_t)
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alpar@39
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92 |
{
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alpar@83
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if(ix.write()) ix.tag(_tag);
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alpar@83
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else ix.useTag(_tag);
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alpar@39
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}
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alpar@83
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~ContTag() {
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alpar@83
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97 |
if(ix.write()) ix.etag(_tag);
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alpar@83
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98 |
else if(!std::uncaught_exception()) ix.useTag('/'+_tag);
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alpar@83
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99 |
}
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alpar@39
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};
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alpar@39
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101 |
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alpar@83
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102 |
///Read/write a tag
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alpar@83
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103 |
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alpar@83
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104 |
///Read/write a tag.
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alpar@124
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105 |
///The whole \<foo\> ... \</foo\> will be placed in a single line.
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alpar@39
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106 |
class LineTag
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alpar@2
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107 |
{
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alpar@83
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108 |
XmlIo &ix;
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alpar@39
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109 |
const std::string _tag;
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alpar@39
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110 |
public:
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alpar@39
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111 |
///\e
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alpar@39
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112 |
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alpar@39
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113 |
///\e
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alpar@39
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114 |
///
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alpar@83
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115 |
LineTag(XmlIo &_ix,const std::string &_t) :
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alpar@39
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116 |
ix(_ix), _tag(_t)
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alpar@39
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117 |
{
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alpar@83
|
118 |
if(ix.write()) ix.itag(_tag);
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alpar@83
|
119 |
else ix.useTag(_tag);
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alpar@39
|
120 |
}
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alpar@83
|
121 |
~LineTag() {
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alpar@83
|
122 |
if(ix.write()) ix.etag(_tag);
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alpar@83
|
123 |
else if(!std::uncaught_exception()) ix.useTag('/'+_tag);
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alpar@83
|
124 |
}
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alpar@39
|
125 |
};
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alpar@39
|
126 |
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alpar@83
|
127 |
///Read/write a tag
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alpar@39
|
128 |
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alpar@83
|
129 |
///Read/write a tag.
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alpar@39
|
130 |
///
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alpar@39
|
131 |
class Tag
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alpar@39
|
132 |
{
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alpar@83
|
133 |
XmlIo &ix;
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alpar@39
|
134 |
const std::string _tag;
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alpar@39
|
135 |
public:
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alpar@39
|
136 |
///\e
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alpar@39
|
137 |
|
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alpar@39
|
138 |
///\e
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alpar@39
|
139 |
///
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alpar@83
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140 |
Tag(XmlIo &_ix,const std::string &_t) :
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alpar@39
|
141 |
ix(_ix), _tag(_t)
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alpar@39
|
142 |
{
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alpar@83
|
143 |
if(ix.write()) ix.beginTag(_tag);
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alpar@83
|
144 |
else ix.useTag(_tag);
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alpar@39
|
145 |
}
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alpar@83
|
146 |
~Tag() {
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alpar@83
|
147 |
if(ix.write()) ix.endTag(_tag);
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alpar@83
|
148 |
else if(!std::uncaught_exception()) ix.useTag('/'+_tag);
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alpar@39
|
149 |
}
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alpar@39
|
150 |
};
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alpar@83
|
151 |
|
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alpar@83
|
152 |
private:
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alpar@83
|
153 |
std::istream& is;
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alpar@83
|
154 |
std::string next_tag;
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alpar@83
|
155 |
int line_number;
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alpar@83
|
156 |
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alpar@83
|
157 |
void skipWhiteSpaces()
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alpar@83
|
158 |
{
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alpar@83
|
159 |
if(write()) throw LogicError();
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alpar@83
|
160 |
{
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alpar@83
|
161 |
char c;
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alpar@83
|
162 |
while (is.get(c) && std::isspace(c,is.getloc()))
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alpar@83
|
163 |
if(c=='\n') line_number++;
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alpar@83
|
164 |
is.unget();
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alpar@83
|
165 |
}
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alpar@83
|
166 |
}
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alpar@83
|
167 |
protected:
|
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alpar@83
|
168 |
/// Use the next tag.
|
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alpar@83
|
169 |
|
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alpar@83
|
170 |
///\e
|
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alpar@83
|
171 |
///
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alpar@83
|
172 |
void useTag() {next_tag.clear();}
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alpar@83
|
173 |
|
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alpar@83
|
174 |
///Use the next tag and check if it is equal with \c _tag
|
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alpar@83
|
175 |
|
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alpar@83
|
176 |
///\e
|
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alpar@83
|
177 |
///
|
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alpar@83
|
178 |
void useTag(const std::string &_tag) {
|
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alpar@83
|
179 |
if(nextTag()==_tag) useTag();
|
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alpar@83
|
180 |
else throw DataFormatError("",line_number,"Unexpected token name");
|
|
alpar@83
|
181 |
}
|
|
alpar@83
|
182 |
public:
|
|
alpar@83
|
183 |
///Return the next tag (if a tag follows on the stream).
|
|
alpar@83
|
184 |
|
|
alpar@83
|
185 |
///\warning It can only be used in read mode.
|
|
alpar@83
|
186 |
///
|
|
alpar@83
|
187 |
const std::string &nextTag()
|
|
alpar@83
|
188 |
{
|
|
alpar@83
|
189 |
if(write()) throw LogicError();
|
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alpar@83
|
190 |
else if(next_tag.empty()) {
|
|
alpar@83
|
191 |
char c;
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|
alpar@83
|
192 |
skipWhiteSpaces();
|
|
alpar@83
|
193 |
if(!is.get(c) || c!='<')
|
|
alpar@83
|
194 |
throw DataFormatError("",line_number,"Bad format");
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alpar@83
|
195 |
next_tag.clear();
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alpar@83
|
196 |
while (is.get(c) && c!='>') next_tag.push_back(c);
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alpar@83
|
197 |
if(c!='>')
|
|
alpar@83
|
198 |
throw DataFormatError("",line_number,"Bad format");
|
|
alpar@83
|
199 |
}
|
|
alpar@83
|
200 |
return next_tag;
|
|
alpar@83
|
201 |
}
|
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alpar@83
|
202 |
|
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alpar@83
|
203 |
/**********************************************************************/
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alpar@83
|
204 |
|
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alpar@83
|
205 |
|
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alpar@39
|
206 |
///\e
|
|
alpar@39
|
207 |
|
|
alpar@39
|
208 |
///\e
|
|
alpar@39
|
209 |
///
|
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alpar@83
|
210 |
XmlIo(std::ostream& _os) : _writeMode(true), os(_os),
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|
alpar@83
|
211 |
level(-1),
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|
alpar@127
|
212 |
is(std::cin) {}
|
|
alpar@83
|
213 |
///\e
|
|
alpar@83
|
214 |
///
|
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alpar@83
|
215 |
XmlIo(std::istream& _is) : _writeMode(false),
|
|
alpar@127
|
216 |
os(std::cout), is(_is),
|
|
alpar@83
|
217 |
line_number(1) {}
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alpar@83
|
218 |
|
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alpar@83
|
219 |
~XmlIo() { if(write()) os<< std::endl; }
|
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alpar@39
|
220 |
|
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alpar@83
|
221 |
|
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alpar@83
|
222 |
|
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alpar@83
|
223 |
XmlIo &operator()(const int &v)
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|
alpar@39
|
224 |
{
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alpar@83
|
225 |
if(write()) os << v;
|
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alpar@83
|
226 |
else {
|
|
alpar@83
|
227 |
skipWhiteSpaces();
|
|
alpar@83
|
228 |
if(!(is >> const_cast<int &>(v)))
|
|
alpar@83
|
229 |
throw DataFormatError("",line_number,"Not an 'int'");
|
|
alpar@83
|
230 |
}
|
|
alpar@39
|
231 |
return *this;
|
|
alpar@2
|
232 |
}
|
|
alpar@83
|
233 |
XmlIo &operator()(const double &v)
|
|
alpar@83
|
234 |
{
|
|
alpar@83
|
235 |
if(write()) os << v;
|
|
alpar@83
|
236 |
else {
|
|
alpar@83
|
237 |
skipWhiteSpaces();
|
|
alpar@83
|
238 |
if(!(is >> const_cast<double &>(v)))
|
|
alpar@83
|
239 |
throw DataFormatError("",line_number,"Not an 'double'");
|
|
alpar@83
|
240 |
}
|
|
alpar@83
|
241 |
return *this;
|
|
alpar@83
|
242 |
}
|
|
alpar@83
|
243 |
XmlIo &operator()(const std::string &v)
|
|
alpar@83
|
244 |
{
|
|
alpar@83
|
245 |
if(write())
|
|
alpar@83
|
246 |
for(std::string::const_iterator i=v.begin();i!=v.end();++i)
|
|
alpar@83
|
247 |
switch(*i) {
|
|
alpar@83
|
248 |
case '\\':
|
|
alpar@83
|
249 |
os << "\\\\";
|
|
alpar@83
|
250 |
break;
|
|
alpar@83
|
251 |
case '<':
|
|
alpar@83
|
252 |
os << "\\<";
|
|
alpar@83
|
253 |
break;
|
|
alpar@83
|
254 |
case '&':
|
|
alpar@83
|
255 |
os << "\\&";
|
|
alpar@83
|
256 |
break;
|
|
alpar@83
|
257 |
case '\n':
|
|
alpar@83
|
258 |
os << "\\n";
|
|
alpar@83
|
259 |
break;
|
|
alpar@83
|
260 |
default:
|
|
alpar@83
|
261 |
os<<*i;
|
|
alpar@83
|
262 |
break;
|
|
alpar@83
|
263 |
}
|
|
alpar@83
|
264 |
else {
|
|
alpar@83
|
265 |
std::string &w = const_cast<std::string &>(v);
|
|
alpar@83
|
266 |
w.clear();
|
|
alpar@83
|
267 |
char c;
|
|
alpar@83
|
268 |
while (is.get(c) && c!='<')
|
|
alpar@83
|
269 |
if(c=='\\')
|
|
alpar@83
|
270 |
if(!is.get(c))
|
|
alpar@83
|
271 |
throw DataFormatError("",line_number,"Bad string");
|
|
alpar@83
|
272 |
else switch(c) {
|
|
alpar@83
|
273 |
case 'n':
|
|
alpar@83
|
274 |
w.push_back('\n');
|
|
alpar@83
|
275 |
break;
|
|
alpar@83
|
276 |
default:
|
|
alpar@83
|
277 |
w.push_back(c);
|
|
alpar@83
|
278 |
break;
|
|
alpar@83
|
279 |
}
|
|
alpar@83
|
280 |
else {
|
|
alpar@83
|
281 |
if(c=='\n') line_number++;
|
|
alpar@83
|
282 |
w.push_back(c);
|
|
alpar@83
|
283 |
}
|
|
alpar@83
|
284 |
if(c!='<')
|
|
alpar@83
|
285 |
throw DataFormatError("",line_number,"Unexpected eof");
|
|
alpar@83
|
286 |
is.unget();
|
|
alpar@83
|
287 |
}
|
|
alpar@83
|
288 |
return *this;
|
|
alpar@83
|
289 |
}
|
|
alpar@83
|
290 |
|
|
alpar@83
|
291 |
|
|
alpar@83
|
292 |
XmlIo &operator()(const std::string &_tag,const int &v)
|
|
alpar@39
|
293 |
{
|
|
alpar@39
|
294 |
LineTag t(*this,_tag);
|
|
alpar@39
|
295 |
(*this)(v);
|
|
alpar@39
|
296 |
return *this;
|
|
alpar@39
|
297 |
}
|
|
alpar@83
|
298 |
XmlIo &operator()(const std::string &_tag,const double &v)
|
|
alpar@39
|
299 |
{
|
|
alpar@39
|
300 |
LineTag t(*this,_tag);
|
|
alpar@39
|
301 |
(*this)(v);
|
|
alpar@39
|
302 |
return *this;
|
|
alpar@39
|
303 |
}
|
|
alpar@83
|
304 |
XmlIo &operator()(const std::string &_tag,const std::string &v)
|
|
alpar@39
|
305 |
{
|
|
alpar@39
|
306 |
LineTag t(*this,_tag);
|
|
alpar@39
|
307 |
(*this)(v);
|
|
alpar@39
|
308 |
return *this;
|
|
alpar@39
|
309 |
}
|
|
alpar@39
|
310 |
///\e
|
|
alpar@39
|
311 |
|
|
alpar@39
|
312 |
///\e
|
|
alpar@39
|
313 |
///
|
|
alpar@39
|
314 |
template<class V>
|
|
alpar@83
|
315 |
XmlIo &operator()(const std::string &_tag,const V &v)
|
|
alpar@39
|
316 |
{
|
|
alpar@39
|
317 |
Tag t(*this,_tag);
|
|
alpar@83
|
318 |
xml(*this,const_cast<V &>(v));
|
|
alpar@39
|
319 |
return *this;
|
|
alpar@39
|
320 |
}
|
|
alpar@39
|
321 |
///\e
|
|
alpar@39
|
322 |
|
|
alpar@39
|
323 |
///\e
|
|
alpar@39
|
324 |
///
|
|
alpar@39
|
325 |
template<class V>
|
|
alpar@83
|
326 |
XmlIo &operator()(const V &v)
|
|
alpar@39
|
327 |
{
|
|
alpar@83
|
328 |
xml(*this,const_cast<V &>(v));
|
|
alpar@39
|
329 |
return *this;
|
|
alpar@39
|
330 |
}
|
|
alpar@83
|
331 |
};
|
|
alpar@2
|
332 |
|
|
alpar@39
|
333 |
//////////////////////////////////////////////////////////////////////
|
|
alpar@39
|
334 |
//////////////////////////////////////////////////////////////////////
|
|
alpar@39
|
335 |
|
|
alpar@83
|
336 |
///\e
|
|
alpar@83
|
337 |
|
|
alpar@83
|
338 |
///\relates XmlIo
|
|
alpar@83
|
339 |
///
|
|
alpar@39
|
340 |
template<class A>
|
|
alpar@83
|
341 |
void xml(XmlIo &x,std::auto_ptr<A> &v)
|
|
alpar@39
|
342 |
{
|
|
alpar@83
|
343 |
if(x.write()) v=new A;
|
|
alpar@39
|
344 |
x(*v);
|
|
alpar@39
|
345 |
}
|
|
alpar@83
|
346 |
|
|
alpar@83
|
347 |
///\e
|
|
alpar@83
|
348 |
|
|
alpar@83
|
349 |
///\relates XmlIo
|
|
alpar@83
|
350 |
///
|
|
alpar@39
|
351 |
template<class A,class B>
|
|
alpar@83
|
352 |
void xml(XmlIo &x,std::pair<A,B> &v)
|
|
alpar@39
|
353 |
{
|
|
alpar@39
|
354 |
x("first",v.first);
|
|
alpar@39
|
355 |
x("second",v.second);
|
|
alpar@39
|
356 |
}
|
|
alpar@39
|
357 |
|
|
alpar@83
|
358 |
///\e
|
|
alpar@83
|
359 |
|
|
alpar@83
|
360 |
///\relates XmlIo
|
|
alpar@83
|
361 |
///
|
|
alpar@83
|
362 |
template<class T>
|
|
alpar@83
|
363 |
void xml(XmlIo &x,std::list<T> &v)
|
|
alpar@39
|
364 |
{
|
|
alpar@83
|
365 |
if(x.write())
|
|
alpar@83
|
366 |
for(typename std::list<T>::const_iterator it=v.begin();
|
|
alpar@83
|
367 |
it!=v.end();++it) x("item",*it);
|
|
alpar@83
|
368 |
else while(x.nextTag()=="item")
|
|
alpar@39
|
369 |
{
|
|
alpar@39
|
370 |
v.push_back(T());
|
|
alpar@39
|
371 |
x("item",v.back());
|
|
alpar@39
|
372 |
}
|
|
alpar@39
|
373 |
}
|
|
alpar@83
|
374 |
///\e
|
|
alpar@83
|
375 |
|
|
alpar@83
|
376 |
///\relates XmlIo
|
|
alpar@83
|
377 |
///
|
|
alpar@39
|
378 |
template<class T>
|
|
alpar@83
|
379 |
void xml(XmlIo &x,std::vector<T> &v)
|
|
alpar@39
|
380 |
{
|
|
alpar@83
|
381 |
if(x.write())
|
|
alpar@83
|
382 |
for(typename std::vector<T>::const_iterator it=v.begin();
|
|
alpar@83
|
383 |
it!=v.end();++it) x("item",*it);
|
|
alpar@83
|
384 |
else while(x.nextTag()=="item")
|
|
alpar@39
|
385 |
{
|
|
alpar@39
|
386 |
v.push_back(T());
|
|
alpar@39
|
387 |
x("item",v.back());
|
|
alpar@39
|
388 |
}
|
|
alpar@39
|
389 |
}
|
|
alpar@39
|
390 |
|
|
alpar@83
|
391 |
///\e
|
|
alpar@83
|
392 |
|
|
alpar@83
|
393 |
///\relates XmlIo
|
|
alpar@83
|
394 |
///
|
|
alpar@39
|
395 |
template<class K,class V>
|
|
alpar@83
|
396 |
void xml(XmlIo &x,std::map<K,V> &v)
|
|
alpar@39
|
397 |
{
|
|
alpar@83
|
398 |
if(x.write())
|
|
alpar@83
|
399 |
for(typename std::map<K,V>::const_iterator it=v.begin();
|
|
alpar@83
|
400 |
it!=v.end();++it) x("item",*it);
|
|
alpar@83
|
401 |
else while(x.nextTag()=="item")
|
|
alpar@39
|
402 |
{
|
|
alpar@39
|
403 |
typename std::map<K,V>::value_type it;
|
|
alpar@39
|
404 |
x("item",it);
|
|
alpar@39
|
405 |
v.insert(it);
|
|
alpar@39
|
406 |
}
|
|
alpar@39
|
407 |
}
|
|
alpar@39
|
408 |
|
|
alpar@83
|
409 |
///\e
|
|
alpar@83
|
410 |
|
|
alpar@83
|
411 |
///\relates XmlIo
|
|
alpar@83
|
412 |
///
|
|
alpar@39
|
413 |
template<class T>
|
|
hegyi@150
|
414 |
void xml(XmlIo &x,lemon::dim2::Point<T> &v)
|
|
alpar@39
|
415 |
{
|
|
alpar@83
|
416 |
{ XmlIo::LineTag t(x,"x"); x(v.x); }
|
|
alpar@83
|
417 |
{ XmlIo::ContTag t(x,"y"); x(v.y); }
|
|
alpar@39
|
418 |
}
|
|
alpar@39
|
419 |
|
|
alpar@83
|
420 |
///\e
|
|
alpar@83
|
421 |
|
|
alpar@83
|
422 |
///\relates XmlIo
|
|
alpar@83
|
423 |
///
|
|
alpar@39
|
424 |
template<class T>
|
|
hegyi@150
|
425 |
void xml(XmlIo &x,lemon::dim2::BoundingBox<T> &v)
|
|
alpar@39
|
426 |
{
|
|
alpar@83
|
427 |
if(x.write()) {
|
|
alpar@83
|
428 |
if(!v.empty()) {
|
|
alpar@83
|
429 |
x("point",v.bottomLeft());
|
|
alpar@83
|
430 |
if(v.bottomLeft()!=v.topRight()) x("point",v.topRight());
|
|
alpar@83
|
431 |
}
|
|
alpar@39
|
432 |
}
|
|
alpar@83
|
433 |
else {
|
|
alpar@83
|
434 |
v.clear();
|
|
alpar@83
|
435 |
while(x.nextTag()=="point") {
|
|
hegyi@150
|
436 |
lemon::dim2::Point<T> co;
|
|
alpar@83
|
437 |
x("point",co);
|
|
alpar@83
|
438 |
v.add(co);
|
|
alpar@83
|
439 |
}
|
|
alpar@39
|
440 |
}
|
|
alpar@39
|
441 |
}
|
|
alpar@2
|
442 |
|
|
alpar@2
|
443 |
}
|
|
alpar@83
|
444 |
|