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/******************************************************************************
*
* Copyright (C) 2020 by Dimitri van Heesch
* Based on a patch by David Munger
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
#include "cite.h"
#include "config.h"
#include "ftextstream.h"
#include "language.h"
#include "message.h"
#include "portable.h"
#include "resourcemgr.h"
#include "util.h"
#include <qfile.h>
#include <qfileinfo.h>
#include <qdir.h>
#include <map>
#include <string>
// Remove the temporary files
#define RM_TMP_FILES (true)
//#define RM_TMP_FILES (false)
const char *bibTmpFile = "bibTmpFile_";
const char *bibTmpDir = "bibTmpDir/";
class CiteInfoImpl : public CiteInfo
{
public:
CiteInfoImpl(const char *label, const char *text=0)
: m_label(label), m_text(text) { }
virtual QCString label() const { return m_label; }
virtual QCString text() const { return m_text; }
void setText(const char *s) { m_text = s; }
private:
QCString m_label;
QCString m_text;
};
struct CitationManager::Private
{
std::map< std::string,std::unique_ptr<CiteInfoImpl> > entries;
};
CitationManager &CitationManager::instance()
{
static CitationManager ct;
return ct;
}
CitationManager::CitationManager() : p(new Private)
{
}
void CitationManager::insert(const char *label)
{
p->entries.insert(
std::make_pair(
std::string(label),
std::make_unique<CiteInfoImpl>(label)
));
}
const CiteInfo *CitationManager::find(const char *label) const
{
auto it = p->entries.find(label);
if (it!=p->entries.end())
{
return it->second.get();
}
return 0;
}
void CitationManager::clear()
{
p->entries.clear();
}
bool CitationManager::isEmpty() const
{
size_t numFiles = Config_getList(CITE_BIB_FILES).size();
return (numFiles==0 || p->entries.empty());
}
const char *CitationManager::fileName() const
{
return "citelist";
}
const char *CitationManager::anchorPrefix() const
{
return "CITEREF_";
}
void CitationManager::generatePage()
{
//printf("** CitationManager::generatePage() count=%d\n",m_ordering.count());
// do not generate an empty citations page
if (isEmpty()) return; // nothing to cite
// 0. add cross references from the bib files to the cite dictionary
QFile f;
const StringVector &citeDataList = Config_getList(CITE_BIB_FILES);
for (const auto &bibdata : citeDataList)
{
QCString bibFile = bibdata.c_str();
if (!bibFile.isEmpty() && bibFile.right(4)!=".bib") bibFile+=".bib";
QFileInfo fi(bibFile);
if (fi.exists())
{
if (!bibFile.isEmpty())
{
f.setName(bibFile);
if (!f.open(IO_ReadOnly))
{
err("could not open file %s for reading\n",bibFile.data());
}
QCString doc;
QCString input(fi.size()+1);
f.readBlock(input.rawData(),fi.size());
f.close();
input.at(fi.size())='\0';
int pos=0;
int s;
QCString label1;
while ((s=input.find('\n',pos))!=-1)
{
QCString line = input.mid((uint)pos,(uint)(s-pos));
pos=s+1;
int i;
if ((i = line.find("crossref")) != -1) /* assumption cross reference is on one line and the only item */
{
int j=line.find("{",i);
int k=line.find("}",i);
if (j!=-1 && k!=-1)
{
QCString label = line.mid((uint)(j+1),(uint)(k-j-1));
// check if the reference with the cross reference is used
// insert cross refererence when cross reference has not yet been added.
if ((p->entries.find(label1.data())!=p->entries.end()) &&
(p->entries.find(label.data())==p->entries.end())) // not found yet
{
insert(label);
}
}
}
else if (line.stripWhiteSpace().startsWith("@"))
{
// assumption entry like: "@book { name," or "@book { name" (spaces optional)
int j=line.find("{",0);
// when no {, go hunting for it
while (j==-1 && (s=input.find('\n',pos))!=-1)
{
line = input.mid((uint)pos,(uint)(s-pos));
j=line.find("{",0);
pos=s+1;
}
// search for the name
label1 = "";
while (label1.isEmpty())
{
int k=line.find(",",j);
if (k != -1)
{
label1 = line.mid((uint)(j+1),(uint)(k-j-1));
}
else
{
label1 = line.mid((uint)(j+1));
}
label1 = label1.stripWhiteSpace();
j = -1;
if (label1.isEmpty() && (s=input.find('\n',pos))!=-1)
{
line = input.mid((uint)pos,(uint)(s-pos));
pos=s+1;
}
}
}
}
}
}
else if (!fi.exists())
{
err("bib file %s not found!\n",bibFile.data());
}
}
// 1. generate file with markers and citations to OUTPUT_DIRECTORY
QCString outputDir = Config_getString(OUTPUT_DIRECTORY);
QCString citeListFile = outputDir+"/citelist.doc";
f.setName(citeListFile);
if (!f.open(IO_WriteOnly))
{
err("could not open file %s for writing\n",citeListFile.data());
}
FTextStream t(&f);
t << "<!-- BEGIN CITATIONS -->" << endl;
t << "<!--" << endl;
for (const auto &it : p->entries)
{
t << "\\citation{" << it.second->label() << "}" << endl;
}
t << "-->" << endl;
t << "<!-- END CITATIONS -->" << endl;
t << "<!-- BEGIN BIBLIOGRAPHY -->" << endl;
t << "<!-- END BIBLIOGRAPHY -->" << endl;
f.close();
// 2. generate bib2xhtml
QCString bib2xhtmlFile = outputDir+"/bib2xhtml.pl";
ResourceMgr::instance().copyResource("bib2xhtml.pl",outputDir);
// 3. generate doxygen.bst
QCString doxygenBstFile = outputDir+"/doxygen.bst";
ResourceMgr::instance().copyResource("doxygen.bst",outputDir);
// 4. for all formats we just copy the bib files to as special output directory
// so bibtex can find them without path (bibtex doesn't support paths or
// filenames with spaces!)
// Strictly not required when only latex is generated
QCString bibOutputDir = outputDir+"/"+bibTmpDir;
QCString bibOutputFiles = "";
QDir thisDir;
if (!thisDir.exists(bibOutputDir) && !thisDir.mkdir(bibOutputDir))
{
err("Failed to create temporary output directory '%s', skipping citations\n",bibOutputDir.data());
return;
}
int i = 0;
for (const auto &bibdata : citeDataList)
{
QCString bibFile = bibdata.c_str();
if (!bibFile.isEmpty() && bibFile.right(4)!=".bib") bibFile+=".bib";
QFileInfo fi(bibFile);
if (fi.exists())
{
if (!bibFile.isEmpty())
{
++i;
copyFile(bibFile,bibOutputDir + bibTmpFile + QCString().setNum(i) + ".bib");
bibOutputFiles = bibOutputFiles + " " + bibTmpDir + bibTmpFile + QCString().setNum(i) + ".bib";
}
}
}
QString oldDir = QDir::currentDirPath();
QDir::setCurrent(outputDir);
// 5. run bib2xhtml perl script on the generated file which will insert the
// bibliography in citelist.doc
int exitCode;
Portable::sysTimerStop();
if ((exitCode=Portable::system("perl","\""+bib2xhtmlFile+"\" "+bibOutputFiles+" \""+
citeListFile+"\"")) != 0)
{
err("Problems running bibtex. Verify that the command 'perl --version' works from the command line. Exit code: %d\n",
exitCode);
}
Portable::sysTimerStop();
QDir::setCurrent(oldDir);
// 6. read back the file
f.setName(citeListFile);
if (!f.open(IO_ReadOnly))
{
err("could not open file %s for reading\n",citeListFile.data());
}
QCString doc;
QFileInfo fi(citeListFile);
QCString input(fi.size()+1);
f.readBlock(input.rawData(),fi.size());
f.close();
input.at(fi.size())='\0';
bool insideBib=FALSE;
int pos=0,s;
//printf("input=[%s]\n",input.data());
while ((s=input.find('\n',pos))!=-1)
{
QCString line = input.mid((uint)pos,(uint)(s-pos));
//printf("pos=%d s=%d line=[%s]\n",pos,s,line.data());
pos=s+1;
if (line.find("<!-- BEGIN BIBLIOGRAPHY")!=-1) insideBib=TRUE;
else if (line.find("<!-- END BIBLIOGRAPH")!=-1) insideBib=FALSE;
// determine text to use at the location of the @cite command
if (insideBib && (i=line.find("name=\"CITEREF_"))!=-1)
{
int j=line.find("\">[");
int k=line.find("]</a>");
if (j!=-1 && k!=-1)
{
uint ui=(uint)i;
uint uj=(uint)j;
uint uk=(uint)k;
QCString label = line.mid(ui+14,uj-ui-14);
QCString number = line.mid(uj+2,uk-uj-1);
label = substitute(substitute(label,"–","--"),"—","---");
line = line.left(ui+14) + label + line.right(line.length()-uj);
auto it = p->entries.find(label.data());
//printf("label='%s' number='%s' => %p\n",label.data(),number.data(),it->second.get());
if (it!=p->entries.end())
{
it->second->setText(number);
}
}
}
if (insideBib) doc+=line+"\n";
}
//printf("doc=[%s]\n",doc.data());
// 7. add it as a page
addRelatedPage(fileName(),theTranslator->trCiteReferences(),doc,fileName(),1);
// 8. for latex we just copy the bib files to the output and let
// latex do this work.
if (Config_getBool(GENERATE_LATEX))
{
// copy bib files to the latex output dir
QCString latexOutputDir = Config_getString(LATEX_OUTPUT)+"/";
i = 0;
for (const auto &bibdata : citeDataList)
{
QCString bibFile = bibdata.c_str();
// Note: file can now have multiple dots
if (!bibFile.isEmpty() && bibFile.right(4)!=".bib") bibFile+=".bib";
fi.setFile(bibFile);
if (fi.exists())
{
if (!bibFile.isEmpty())
{
// bug_700510, multiple times the same name were overwriting; creating new names
// also for names with spaces
++i;
copyFile(bibFile,latexOutputDir + bibTmpFile + QCString().setNum(i) + ".bib");
}
}
else
{
err("bib file %s not found!\n",bibFile.data());
}
}
}
// 9. Remove temporary files
if (RM_TMP_FILES)
{
thisDir.remove(citeListFile);
thisDir.remove(doxygenBstFile);
thisDir.remove(bib2xhtmlFile);
// we might try to remove too many files as empty files didn't get a corresponding new file
// but the remove function does not emit an error for it and we don't catch the error return
// so no problem.
for (size_t j = 1; j <= citeDataList.size(); j++)
{
thisDir.remove(bibOutputDir + bibTmpFile + QCString().setNum(static_cast<ulong>(j)) + ".bib");
}
thisDir.rmdir(bibOutputDir);
}
}
void CitationManager::writeLatexBibliography(FTextStream &t) const
{
if (p->entries.empty()) return;
QCString style = Config_getString(LATEX_BIB_STYLE);
if (style.isEmpty())
{
style="plain";
}
QCString unit;
if (Config_getBool(COMPACT_LATEX))
{
unit = "section";
}
else
{
unit = "chapter";
}
t << "% Bibliography\n"
"\\newpage\n"
"\\phantomsection\n";
bool pdfHyperlinks = Config_getBool(PDF_HYPERLINKS);
if (!pdfHyperlinks)
{
t << "\\clearemptydoublepage\n";
t << "\\addcontentsline{toc}{" << unit << "}{" << theTranslator->trCiteReferences() << "}\n";
}
t << "\\bibliographystyle{" << style << "}\n"
"\\bibliography{";
const StringVector &citeDataList = Config_getList(CITE_BIB_FILES);
int i = 0;
for (const auto &bibdata : citeDataList)
{
QCString bibFile = bibdata.c_str();
// Note: file can now have multiple dots
if (!bibFile.isEmpty() && bibFile.right(4)!=".bib") bibFile+=".bib";
QFileInfo fi(bibFile);
if (fi.exists())
{
if (!bibFile.isEmpty())
{
if (i) t << ",";
i++;
t << bibTmpFile << QCString().setNum(i);
}
}
}
t << "}\n";
if (pdfHyperlinks)
{
t << "\\addcontentsline{toc}{" << unit << "}{" << theTranslator->trCiteReferences() << "}\n";
}
t << "\n";
}
|