Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 182 insertions, 0 deletions

diff --git a/src/translators/bibtexmlexporter.cpp b/src/translators/bibtexmlexporter.cpp
new file mode 100644
index 0000000..4a0a4d3
--- /dev/null
+++ b/src/translators/bibtexmlexporter.cpp
@@ -0,0 +1,182 @@
+/*************************************************************************
+    copyright            : (C) 2003-2006 by Robby Stephenson
+    email                : robby@periapsis.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <config.h>
+
+#include "bibtexmlexporter.h"
+#include "bibtexhandler.h"
+#include "../document.h"
+#include "../collections/bibtexcollection.h"
+#include "../latin1literal.h"
+#include "../filehandler.h"
+#include "tellico_xml.h"
+#include "../stringset.h"
+
+#include <klocale.h>
+#include <kdebug.h>
+
+#include <qvbox.h>
+#include <qdom.h>
+#include <qregexp.h>
+#include <qtextcodec.h>
+
+using Tellico::Export::BibtexmlExporter;
+
+QString BibtexmlExporter::formatString() const {
+  return i18n("Bibtexml");
+}
+
+QString BibtexmlExporter::fileFilter() const {
+  return i18n("*.xml|Bibtexml Files (*.xml)") + QChar('\n') + i18n("*|All Files");
+}
+
+bool BibtexmlExporter::exec() {
+  Data::CollPtr c = collection();
+  if(!c || c->type() != Data::Collection::Bibtex) {
+    return false;
+  }
+  const Data::BibtexCollection* coll = static_cast<const Data::BibtexCollection*>(c.data());
+
+// there are some special fields
+// the entry-type specifies the entry type - book, inproceedings, whatever
+  QString typeField;
+// the key specifies the cite-key
+  QString keyField;
+
+  const QString bibtex = QString::fromLatin1("bibtex");
+// keep a list of all the 'ordinary' fields to iterate through later
+  Data::FieldVec fields;
+  Data::FieldVec vec = coll->fields();
+  for(Data::FieldVec::Iterator it = vec.begin(); it != vec.end(); ++it) {
+    QString bibtexField = it->property(bibtex);
+    if(bibtexField == Latin1Literal("entry-type")) {
+      typeField = it->name();
+    } else if(bibtexField == Latin1Literal("key")) {
+      keyField = it->name();
+    } else if(!bibtexField.isEmpty()) {
+      fields.append(it);
+    }
+  }
+
+  QDomImplementation impl;
+  QDomDocumentType doctype = impl.createDocumentType(QString::fromLatin1("file"),
+                                                     QString::null,
+                                                     XML::dtdBibtexml);
+  //default namespace
+  const QString& ns = XML::nsBibtexml;
+
+  QDomDocument dom = impl.createDocument(ns, QString::fromLatin1("file"), doctype);
+
+  // root element
+  QDomElement root = dom.documentElement();
+
+  QString encodeStr = QString::fromLatin1("version=\"1.0\" encoding=\"");
+  if(options() & Export::ExportUTF8) {
+    encodeStr += QString::fromLatin1("UTF-8");
+  } else {
+    encodeStr += QString::fromLatin1(QTextCodec::codecForLocale()->mimeName());
+  }
+  encodeStr += '"';
+
+  // createDocument creates a root node, insert the processing instruction before it
+  dom.insertBefore(dom.createProcessingInstruction(QString::fromLatin1("xml"), encodeStr), root);
+  QString comment = QString::fromLatin1("Generated by Tellico ") + QString::fromLatin1(VERSION);
+  dom.insertBefore(dom.createComment(comment), root);
+
+  Data::ConstFieldPtr field;
+  Data::FieldVec::ConstIterator fIt, end = fields.constEnd();
+  bool format = options() & Export::ExportFormatted;
+
+  StringSet usedKeys;
+  QString type, key, newKey, value, elemName, parElemName;
+  QDomElement btElem, entryElem, parentElem, fieldElem;
+  for(Data::EntryVec::ConstIterator entryIt = entries().begin(); entryIt != entries().end(); ++entryIt) {
+    key = entryIt->field(keyField);
+    if(key.isEmpty()) {
+      key = BibtexHandler::bibtexKey(entryIt.data());
+    }
+    QString newKey = key;
+    char c = 'a';
+    while(usedKeys.has(newKey)) {
+      // duplicate found!
+      newKey = key + c;
+      ++c;
+    }
+    key = newKey;
+    usedKeys.add(key);
+
+    btElem = dom.createElement(QString::fromLatin1("entry"));
+    btElem.setAttribute(QString::fromLatin1("id"), key);
+    root.appendChild(btElem);
+
+    type = entryIt->field(typeField);
+    if(type.isEmpty()) {
+      kdWarning() << "BibtexmlExporter::exec() - the entry for '" << entryIt->title()
+                  << "' has no entry-type, skipping it!" << endl;
+      continue;
+    }
+
+    entryElem = dom.createElement(type);
+    btElem.appendChild(entryElem);
+
+    // now iterate over attributes
+    for(fIt = fields.constBegin(); fIt != end; ++fIt) {
+      field = fIt.data();
+      value = entryIt->field(field->name(), format);
+      if(value.isEmpty()) {
+        continue;
+      }
+
+/* Bibtexml has special container elements for titles, authors, editors, and keywords
+   I'm going to ignore the titlelist element for right now. All authors are contained in
+   an authorlist element, editors in an editorlist element, and keywords are in a
+   keywords element, and themselves as a keyword. Also, Bibtexml can format names
+   similar to docbook, with first, middle, last, etc elements. I'm going to ignore that
+   for now, too.*/
+      elemName = field->property(bibtex);
+      // split text for author, editor, and keywords
+      if(elemName == Latin1Literal("author") ||
+         elemName == Latin1Literal("editor") ||
+         elemName == Latin1Literal("keywords")) {
+        if(elemName == Latin1Literal("author")) {
+          parElemName = QString::fromLatin1("authorlist");
+        } else if(elemName == Latin1Literal("editor")) {
+          parElemName = QString::fromLatin1("editorlist");
+        } else { // keywords
+          parElemName = QString::fromLatin1("keywords");
+          elemName = QString::fromLatin1("keyword");
+        }
+
+        parentElem = dom.createElement(parElemName);
+        const QStringList values = entryIt->fields(field->name(), false);
+        for(QStringList::ConstIterator it = values.begin(); it != values.end(); ++it) {
+          fieldElem = dom.createElement(elemName);
+          fieldElem.appendChild(dom.createTextNode(*it));
+          parentElem.appendChild(fieldElem);
+        }
+        if(parentElem.hasChildNodes()) {
+          entryElem.appendChild(parentElem);
+        }
+      } else {
+        fieldElem = dom.createElement(elemName);
+        fieldElem.appendChild(dom.createTextNode(value));
+        entryElem.appendChild(fieldElem);
+      }
+    }
+  }
+
+  return FileHandler::writeTextURL(url(), dom.toString(),
+                                   options() & ExportUTF8, options() & Export::ExportForce);
+}
+
+#include "bibtexmlexporter.moc"