summaryrefslogtreecommitdiffstats
path: root/src/translators/alexandriaimporter.cpp
blob: 1f1f240dc68d8cf3ff33bd0e51d53f2d2e72d34c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
/***************************************************************************
    copyright            : (C) 2003-2006 by Robby Stephenson
    email                : [email protected]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 "alexandriaimporter.h"
#include "../collections/bookcollection.h"
#include "../entry.h"
#include "../field.h"
#include "../latin1literal.h"
#include "../isbnvalidator.h"
#include "../imagefactory.h"
#include "../progressmanager.h"
#include "../tellico_debug.h"

#include <kcombobox.h>
#include <tdeapplication.h>
#include <kstringhandler.h>

#include <tqlayout.h>
#include <tqlabel.h>
#include <tqgroupbox.h>

using Tellico::Import::AlexandriaImporter;

bool AlexandriaImporter::canImport(int type) const {
  return type == Data::Collection::Book;
}

Tellico::Data::CollPtr AlexandriaImporter::collection() {
  if(!m_widget || m_library->count() == 0) {
    return 0;
  }

  m_coll = new Data::BookCollection(true);

  TQDir dataDir = m_libraryDir;
  dataDir.cd(m_library->currentText());
  dataDir.setFilter(TQDir::Files | TQDir::Readable | TQDir::NoSymLinks);

  const TQString title = TQString::fromLatin1("title");
  const TQString author = TQString::fromLatin1("author");
  const TQString year = TQString::fromLatin1("pub_year");
  const TQString binding = TQString::fromLatin1("binding");
  const TQString isbn = TQString::fromLatin1("isbn");
  const TQString pub = TQString::fromLatin1("publisher");
  const TQString rating = TQString::fromLatin1("rating");
  const TQString cover = TQString::fromLatin1("cover");
  const TQString comments = TQString::fromLatin1("comments");

  // start with yaml files
  dataDir.setNameFilter(TQString::fromLatin1("*.yaml"));
  const TQStringList files = dataDir.entryList();
  const uint numFiles = files.count();
  const uint stepSize = TQMAX(s_stepSize, numFiles/100);
  const bool showProgress = options() & ImportProgress;

  ProgressItem& item = ProgressManager::self()->newProgressItem(this, progressLabel(), true);
  item.setTotalSteps(numFiles);
  connect(&item, TQT_SIGNAL(signalCancelled(ProgressItem*)), TQT_SLOT(slotCancel()));
  ProgressItem::Done done(this);

  TQStringList covers;
  covers << TQString::fromLatin1(".cover")
         << TQString::fromLatin1("_medium.jpg")
         << TQString::fromLatin1("_small.jpg");

  TQTextStream ts;
  ts.setEncoding(TQTextStream::UnicodeUTF8); // YAML is always utf8?
  uint j = 0;
  for(TQStringList::ConstIterator it = files.begin(); !m_cancelled && it != files.end(); ++it, ++j) {
    TQFile file(dataDir.absFilePath(*it));
    if(!file.open(IO_ReadOnly)) {
      continue;
    }

    Data::EntryPtr entry = new Data::Entry(m_coll);

    bool readNextLine = true;
    ts.unsetDevice();
    ts.setDevice(TQT_TQIODEVICE(&file));
    TQString line;
    while(!ts.atEnd()) {
      if(readNextLine) {
        line = ts.readLine();
      } else {
        readNextLine = true;
      }
      // skip the line that starts with ---
      if(line.isEmpty() || line.startsWith(TQString::fromLatin1("---"))) {
        continue;
      }
      if(line.endsWith(TQChar('\\'))) {
        line.truncate(line.length()-1); // remove last character
        line += ts.readLine();
      }

      cleanLine(line);
      TQString alexField = line.section(':', 0, 0);
      TQString alexValue = line.section(':', 1).stripWhiteSpace();
      clean(alexValue);

      // Alexandria uses "n/a for empty values, and it is translated
      // only thing we can do is check for english value and continue
      if(alexValue == Latin1Literal("n/a")) {
        continue;
      }

      if(alexField == Latin1Literal("authors")) {
        TQStringList authors;
        line = ts.readLine();
        TQRegExp begin(TQString::fromLatin1("^\\s*-\\s+"));
        while(!line.isNull() && line.find(begin) > -1) {
          line.remove(begin);
          authors += clean(line);
          line = ts.readLine();
        }
        entry->setField(author, authors.join(TQString::fromLatin1("; ")));
        // the next line has already been read
        readNextLine = false;

        // Alexandria calls the edition the binding
      } else if(alexField == Latin1Literal("edition")) {
        // special case if it's "Hardcover"
        if(alexValue.lower() == Latin1Literal("hardcover")) {
          alexValue = i18n("Hardback");
        }
        entry->setField(binding, alexValue);

      } else if(alexField == Latin1Literal("publishing_year")) {
        entry->setField(year, alexValue);

      } else if(alexField == Latin1Literal("isbn")) {
        const ISBNValidator val(0);
        val.fixup(alexValue);
        entry->setField(isbn, alexValue);

        // now find cover image
        KURL u;
        alexValue.remove('-');
        for(TQStringList::Iterator ext = covers.begin(); ext != covers.end(); ++ext) {
          u.setPath(dataDir.absFilePath(alexValue + *ext));
          if(!TQFile::exists(u.path())) {
            continue;
          }
          TQString id = ImageFactory::addImage(u, true);
          if(!id.isEmpty()) {
            entry->setField(cover, id);
            break;
          }
        }
      } else if(alexField == Latin1Literal("notes")) {
        entry->setField(comments, alexValue);

      // now try by name then title
      } else if(m_coll->fieldByName(alexField)) {
        entry->setField(alexField, alexValue);

      } else if(m_coll->fieldByTitle(alexField)) {
        entry->setField(m_coll->fieldByTitle(alexField), alexValue);
      }
    }
    m_coll->addEntries(entry);

    if(showProgress && j%stepSize == 0) {
      ProgressManager::self()->setProgress(this, j);
      kapp->processEvents();
    }
  }

  return m_coll;
}

TQWidget* AlexandriaImporter::widget(TQWidget* parent_, const char* name_/*=0*/) {
  if(m_widget) {
    return m_widget;
  }

  m_libraryDir = TQDir::home();
  m_libraryDir.setFilter(TQDir::Dirs | TQDir::Readable | TQDir::NoSymLinks);

  m_widget = new TQWidget(parent_, name_);
  TQVBoxLayout* l = new TQVBoxLayout(m_widget);

  TQGroupBox* box = new TQGroupBox(2, Qt::Horizontal, i18n("Alexandria Options"), m_widget);
  TQLabel* label = new TQLabel(i18n("&Library:"), box);
  m_library = new KComboBox(box);
  label->setBuddy(m_library);

  // .alexandria might not exist
  if(m_libraryDir.cd(TQString::fromLatin1(".alexandria"))) {
    TQStringList dirs = m_libraryDir.entryList();
    dirs.remove(TQString::fromLatin1(".")); // why can't I tell TQDir not to include these? TQDir::Hidden doesn't work
    dirs.remove(TQString::fromLatin1(".."));
    m_library->insertStringList(dirs);
  }

  l->addWidget(box);
  l->addStretch(1);
  return m_widget;
}

TQString& AlexandriaImporter::cleanLine(TQString& str_) {
  static TQRegExp escRx(TQString::fromLatin1("\\\\x(\\w\\w)"), false);
  str_.remove(TQString::fromLatin1("\\r"));
  str_.replace(TQString::fromLatin1("\\n"), TQString::fromLatin1("\n"));
  str_.replace(TQString::fromLatin1("\\t"), TQString::fromLatin1("\t"));

  // YAML uses escape sequences like \xC3
  int pos = escRx.search(str_);
  int origPos = pos;
  TQCString bytes;
  while(pos > -1) {
    bool ok;
    char c = escRx.cap(1).toInt(&ok, 16);
    if(ok) {
      bytes += c;
    } else {
      bytes = TQCString();
      break;
    }
    pos = escRx.search(str_, pos+1);
  }
  if(!bytes.isEmpty()) {
    str_.replace(origPos, bytes.length()*4, TQString::fromUtf8(bytes.data()));
  }
  return str_;
}

TQString AlexandriaImporter::clean(TQString& str_) {
  const TQRegExp quote(TQString::fromLatin1("\\\\\"")); // equals \"
  if(str_.startsWith(TQChar('\'')) || str_.startsWith(TQChar('"'))) {
    str_.remove(0, 1);
  }
  if(str_.endsWith(TQChar('\'')) || str_.endsWith(TQChar('"'))) {
    str_.truncate(str_.length()-1);
  }
  // we ignore YAML tags, this is not actually a good parser, but will do for now
  str_.remove(TQRegExp(TQString::fromLatin1("^![^\\s]*\\s+")));
  return str_.replace(quote, TQChar('"'));
}

void AlexandriaImporter::slotCancel() {
  m_cancelled = true;
}

#include "alexandriaimporter.moc"