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-rw-r--r--kpdf/xpdf/xpdf/Outline.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/kpdf/xpdf/xpdf/Outline.cpp b/kpdf/xpdf/xpdf/Outline.cpp
new file mode 100644
index 00000000..f5aba636
--- /dev/null
+++ b/kpdf/xpdf/xpdf/Outline.cpp
@@ -0,0 +1,151 @@
+//========================================================================
+//
+// Outline.cpp
+//
+// Copyright 2002-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include "gmem.h"
+#include "GString.h"
+#include "GList.h"
+#include "Link.h"
+#include "PDFDocEncoding.h"
+#include "Outline.h"
+
+//------------------------------------------------------------------------
+
+Outline::Outline(Object *outlineObj, XRef *xref) {
+ Object first, last;
+
+ items = NULL;
+ if (!outlineObj->isDict()) {
+ return;
+ }
+ items = OutlineItem::readItemList(outlineObj->dictLookupNF("First", &first),
+ outlineObj->dictLookupNF("Last", &last),
+ xref);
+ first.free();
+ last.free();
+}
+
+Outline::~Outline() {
+ if (items) {
+ deleteGList(items, OutlineItem);
+ }
+}
+
+//------------------------------------------------------------------------
+
+OutlineItem::OutlineItem(Dict *dict, XRef *xrefA) {
+ Object obj1;
+ GString *s;
+ int i;
+
+ xref = xrefA;
+ title = NULL;
+ action = NULL;
+ kids = NULL;
+
+ if (dict->lookup("Title", &obj1)->isString()) {
+ s = obj1.getString();
+ if ((s->getChar(0) & 0xff) == 0xfe &&
+ (s->getChar(1) & 0xff) == 0xff) {
+ titleLen = (s->getLength() - 2) / 2;
+ title = (Unicode *)gmallocn(titleLen, sizeof(Unicode));
+ for (i = 0; i < titleLen; ++i) {
+ title[i] = ((s->getChar(2 + 2*i) & 0xff) << 8) |
+ (s->getChar(3 + 2*i) & 0xff);
+ }
+ } else {
+ titleLen = s->getLength();
+ title = (Unicode *)gmallocn(titleLen, sizeof(Unicode));
+ for (i = 0; i < titleLen; ++i) {
+ title[i] = pdfDocEncoding[s->getChar(i) & 0xff];
+ }
+ }
+ } else {
+ titleLen = 0;
+ }
+ obj1.free();
+
+ if (!dict->lookup("Dest", &obj1)->isNull()) {
+ action = LinkAction::parseDest(&obj1);
+ } else {
+ obj1.free();
+ if (!dict->lookup("A", &obj1)->isNull()) {
+ action = LinkAction::parseAction(&obj1);
+ }
+ }
+ obj1.free();
+
+ dict->lookupNF("First", &firstRef);
+ dict->lookupNF("Last", &lastRef);
+ dict->lookupNF("Next", &nextRef);
+
+ startsOpen = gFalse;
+ if (dict->lookup("Count", &obj1)->isInt()) {
+ if (obj1.getInt() > 0) {
+ startsOpen = gTrue;
+ }
+ }
+ obj1.free();
+}
+
+OutlineItem::~OutlineItem() {
+ close();
+ if (title) {
+ gfree(title);
+ }
+ if (action) {
+ delete action;
+ }
+ firstRef.free();
+ lastRef.free();
+ nextRef.free();
+}
+
+GList *OutlineItem::readItemList(Object *firstItemRef, Object *lastItemRef,
+ XRef *xrefA) {
+ GList *items;
+ OutlineItem *item;
+ Object obj;
+ Object *p;
+
+ items = new GList();
+ p = firstItemRef;
+ while (p->isRef()) {
+ if (!p->fetch(xrefA, &obj)->isDict()) {
+ obj.free();
+ break;
+ }
+ item = new OutlineItem(obj.getDict(), xrefA);
+ obj.free();
+ items->append(item);
+ if (p->getRef().num == lastItemRef->getRef().num &&
+ p->getRef().gen == lastItemRef->getRef().gen) {
+ break;
+ }
+ p = &item->nextRef;
+ }
+ return items;
+}
+
+void OutlineItem::open() {
+ if (!kids) {
+ kids = readItemList(&firstRef, &lastRef, xref);
+ }
+}
+
+void OutlineItem::close() {
+ if (kids) {
+ deleteGList(kids, OutlineItem);
+ kids = NULL;
+ }
+}