1 /* poppler-private.h: qt interface to poppler
2 * Copyright (C) 2005, Net Integration Technologies, Inc.
3 * Copyright (C) 2005-2008, Albert Astals Cid <aacid@kde.org>
4 * Copyright (C) 2006, Kristian Høgsberg <krh@bitplanet.net>
5 * Copyright (C) 2006, Wilfried Huss <Wilfried.Huss@gmx.at>
6 * Copyright (C) 2007, Pino Toscano <pino@kde.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22
23 #include "poppler-private.h"
24 #include "poppler-link-qt3.h"
25
26 #include <qstring.h>
27
28 #include <Outline.h>
29 #include <Link.h>
30
31 namespace Poppler {
32
33 /* borrowed from kpdf */
unicodeToQString(Unicode * u,int len)34 QString unicodeToQString(Unicode* u, int len)
35 {
36 QString ret;
37 ret.setLength(len);
38 QChar* qch = (QChar*) ret.unicode();
39 for (;len;--len)
40 *qch++ = (QChar) *u++;
41 return ret;
42 }
43
UnicodeParsedString(GooString * s1)44 QString UnicodeParsedString(GooString *s1)
45 {
46 GBool isUnicode;
47 int i;
48 Unicode u;
49 QString result;
50 if ( ( s1->getChar(0) & 0xff ) == 0xfe && ( s1->getChar(1) & 0xff ) == 0xff )
51 {
52 isUnicode = gTrue;
53 i = 2;
54 }
55 else
56 {
57 isUnicode = gFalse;
58 i = 0;
59 }
60 while ( i < s1->getLength() )
61 {
62 if ( isUnicode )
63 {
64 u = ( ( s1->getChar(i) & 0xff ) << 8 ) | ( s1->getChar(i+1) & 0xff );
65 i += 2;
66 }
67 else
68 {
69 u = s1->getChar(i) & 0xff;
70 ++i;
71 }
72 result += unicodeToQString( &u, 1 );
73 }
74 return result;
75 }
76
QStringToGooString(const QString & s)77 GooString *QStringToGooString(const QString &s)
78 {
79 int len = s.length();
80 char *cstring = (char *)gmallocn(s.length(), sizeof(char));
81 for (int i = 0; i < len; ++i)
82 cstring[i] = s.at(i).unicode();
83 GooString *ret = new GooString(cstring, len);
84 gfree(cstring);
85 return ret;
86 }
87
88
addTocChildren(QDomDocument * docSyn,QDomNode * parent,GooList * items)89 void DocumentData::addTocChildren( QDomDocument * docSyn, QDomNode * parent, GooList * items )
90 {
91 int numItems = items->getLength();
92 for ( int i = 0; i < numItems; ++i )
93 {
94 // iterate over every object in 'items'
95 OutlineItem * outlineItem = (OutlineItem *)items->get( i );
96
97 // 1. create element using outlineItem's title as tagName
98 QString name;
99 Unicode * uniChar = outlineItem->getTitle();
100 int titleLength = outlineItem->getTitleLength();
101 name = unicodeToQString(uniChar, titleLength);
102 if ( name.isEmpty() )
103 continue;
104
105 QDomElement item = docSyn->createElement( name );
106 parent->appendChild( item );
107
108 // 2. find the page the link refers to
109 ::LinkAction * a = outlineItem->getAction();
110 if ( a && ( a->getKind() == actionGoTo || a->getKind() == actionGoToR ) )
111 {
112 // page number is contained/referenced in a LinkGoTo
113 LinkGoTo * g = static_cast< LinkGoTo * >( a );
114 LinkDest * destination = g->getDest();
115 if ( !destination && g->getNamedDest() )
116 {
117 // no 'destination' but an internal 'named reference'. we could
118 // get the destination for the page now, but it's VERY time consuming,
119 // so better storing the reference and provide the viewport on demand
120 GooString *s = g->getNamedDest();
121 QChar *charArray = new QChar[s->getLength()];
122 for (int i = 0; i < s->getLength(); ++i) charArray[i] = QChar(s->getCString()[i]);
123 QString aux(charArray, s->getLength());
124 item.setAttribute( "DestinationName", aux );
125 delete[] charArray;
126 }
127 else if ( destination && destination->isOk() )
128 {
129 LinkDestinationData ldd(destination, NULL, this);
130 item.setAttribute( "Destination", LinkDestination(ldd).toString() );
131 }
132 if ( a->getKind() == actionGoToR )
133 {
134 LinkGoToR * g2 = static_cast< LinkGoToR * >( a );
135 item.setAttribute( "ExternalFileName", g2->getFileName()->getCString() );
136 }
137 }
138
139 // 3. recursively descend over children
140 outlineItem->open();
141 GooList * children = outlineItem->getKids();
142 if ( children )
143 addTocChildren( docSyn, &item, children );
144 }
145 }
146
147 }
148