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<a href="_t_file_i_o_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "<a class="code" href="_t_file_i_o_8h.html">CombineHarvester/CombineTools/interface/TFileIO.h</a>"</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <memory></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "TFile.h"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "TH1.h"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "TDirectory.h"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="_logging_8h.html">CombineHarvester/CombineTools/interface/Logging.h</a>"</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespacech.html">ch</a> {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
<div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="namespacech.html#a9db822b84dd7cf9f1d3bc76a6a741498"> 12</a></span> std::unique_ptr<TH1> <a class="code" href="namespacech.html#a9db822b84dd7cf9f1d3bc76a6a741498">GetClonedTH1</a>(TFile* file, std::string <span class="keyword">const</span>& path) {</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keywordflow">if</span> (!file) {</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keywordflow">throw</span> std::runtime_error(<a class="code" href="_logging_8h.html#ab140ae8826e1f99c5aa0e920a9c13112">FNERROR</a>(<span class="stringliteral">"Supplied ROOT file pointer is null"</span>));</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  }</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  TDirectory* backup_dir = gDirectory;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  file->cd();</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keywordtype">bool</span> cur_status = TH1::AddDirectoryStatus();</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  TH1::AddDirectory(kFALSE);</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  TObject *obj = gDirectory->Get(path.c_str());</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">if</span> (!obj) {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  gDirectory = backup_dir;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">throw</span> std::runtime_error(</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="_logging_8h.html#ab140ae8826e1f99c5aa0e920a9c13112">FNERROR</a>(<span class="stringliteral">"TH1 "</span> + path + <span class="stringliteral">" not found in "</span> + file->GetName()));</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  }</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  std::unique_ptr<TH1> res(</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">dynamic_cast<</span>TH1*<span class="keyword">></span>(obj));</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  TH1::AddDirectory(cur_status);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span> (!res) {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  gDirectory = backup_dir;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">throw</span> std::runtime_error(<a class="code" href="_logging_8h.html#ab140ae8826e1f99c5aa0e920a9c13112">FNERROR</a>(<span class="stringliteral">"Object "</span> + path + <span class="stringliteral">" in "</span> +</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  file->GetName() + <span class="stringliteral">" is not of type TH1"</span>));</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// res->SetDirectory(0);</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  gDirectory = backup_dir;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div>
<div class="ttc" id="a_logging_8h_html"><div class="ttname"><a href="_logging_8h.html">Logging.h</a></div></div>
<div class="ttc" id="a_logging_8h_html_ab140ae8826e1f99c5aa0e920a9c13112"><div class="ttname"><a href="_logging_8h.html#ab140ae8826e1f99c5aa0e920a9c13112">FNERROR</a></div><div class="ttdeci">#define FNERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="_logging_8h_source.html#l00009">Logging.h:9</a></div></div>
<div class="ttc" id="a_t_file_i_o_8h_html"><div class="ttname"><a href="_t_file_i_o_8h.html">TFileIO.h</a></div></div>
<div class="ttc" id="anamespacech_html"><div class="ttname"><a href="namespacech.html">ch</a></div><div class="ttdef"><b>Definition:</b> <a href="_algorithm_8h_source.html#l00010">Algorithm.h:10</a></div></div>
<div class="ttc" id="anamespacech_html_a9db822b84dd7cf9f1d3bc76a6a741498"><div class="ttname"><a href="namespacech.html#a9db822b84dd7cf9f1d3bc76a6a741498">ch::GetClonedTH1</a></div><div class="ttdeci">std::unique_ptr< TH1 > GetClonedTH1(TFile *file, std::string const &path)</div><div class="ttdef"><b>Definition:</b> <a href="_t_file_i_o_8cc_source.html#l00012">TFileIO.cc:12</a></div></div>
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