poppler/poppler-ObjStream.patch
2008-02-18 18:01:31 +00:00

139 lines
4.0 KiB
Diff

diff -up poppler-0.6.4/poppler-0.6.4/poppler/XRef.h.objstream poppler-0.6.4/poppler-0.6.4/poppler/XRef.h
--- poppler-0.6.4/poppler-0.6.4/poppler/XRef.h.objstream 2008-01-21 21:00:59.000000000 +0100
+++ poppler-0.6.4/poppler-0.6.4/poppler/XRef.h 2008-02-18 17:18:47.000000000 +0100
@@ -19,7 +19,36 @@
class Dict;
class Stream;
class Parser;
-class ObjectStream;
+
+class ObjectStream {
+public:
+
+ // Create an object stream, using object number <objStrNum>,
+ // generation 0.
+ ObjectStream(XRef *xref, int objStrNumA);
+
+ ~ObjectStream();
+
+ // Return the object number of this object stream.
+ int getObjStrNum() { return objStrNum; }
+
+ // Get the <objIdx>th object from this stream, which should be
+ // object number <objNum>, generation 0.
+ Object *getObject(int objIdx, int objNum, Object *obj);
+
+ int *getOffsets() { return offsets; }
+ Guint getFirstOffset() { return firstOffset; }
+
+private:
+
+ int objStrNum; // object number of the object stream
+ int nObjects; // number of objects in the stream
+ Object *objs; // the objects (length = nObjects)
+ int *objNums; // the object numbers (length = nObjects)
+ int *offsets; // the object offsets (length = nObjects)
+ Guint firstOffset;
+};
+
//------------------------------------------------------------------------
// XRef
@@ -106,6 +135,7 @@ public:
int getSize() { return size; }
XRefEntry *getEntry(int i) { return &entries[i]; }
Object *getTrailerDict() { return &trailerDict; }
+ ObjectStream *getObjStr() { return objStr; }
// Write access
void setModifiedObject(Object* o, Ref r);
diff -up poppler-0.6.4/poppler-0.6.4/poppler/XRef.cc.objstream poppler-0.6.4/poppler-0.6.4/poppler/XRef.cc
--- poppler-0.6.4/poppler-0.6.4/poppler/XRef.cc.objstream 2008-01-21 21:00:59.000000000 +0100
+++ poppler-0.6.4/poppler-0.6.4/poppler/XRef.cc 2008-02-18 17:18:47.000000000 +0100
@@ -50,34 +50,9 @@
// ObjectStream
//------------------------------------------------------------------------
-class ObjectStream {
-public:
-
- // Create an object stream, using object number <objStrNum>,
- // generation 0.
- ObjectStream(XRef *xref, int objStrNumA);
-
- ~ObjectStream();
-
- // Return the object number of this object stream.
- int getObjStrNum() { return objStrNum; }
-
- // Get the <objIdx>th object from this stream, which should be
- // object number <objNum>, generation 0.
- Object *getObject(int objIdx, int objNum, Object *obj);
-
-private:
-
- int objStrNum; // object number of the object stream
- int nObjects; // number of objects in the stream
- Object *objs; // the objects (length = nObjects)
- int *objNums; // the object numbers (length = nObjects)
-};
-
ObjectStream::ObjectStream(XRef *xref, int objStrNumA) {
Stream *str;
Parser *parser;
- int *offsets;
Object objStr, obj1, obj2;
int first, i;
@@ -85,6 +60,7 @@ ObjectStream::ObjectStream(XRef *xref, i
nObjects = 0;
objs = NULL;
objNums = NULL;
+ offsets = NULL;
if (!xref->fetch(objStrNum, 0, &objStr)->isStream()) {
goto err1;
@@ -105,6 +81,7 @@ ObjectStream::ObjectStream(XRef *xref, i
goto err1;
}
first = obj1.getInt();
+ firstOffset = objStr.getStream()->getBaseStream()->getStart() + first;
obj1.free();
if (first < 0) {
goto err1;
@@ -131,7 +108,7 @@ ObjectStream::ObjectStream(XRef *xref, i
obj1.free();
obj2.free();
delete parser;
- gfree(offsets);
+// gfree(offsets);
goto err1;
}
objNums[i] = obj1.getInt();
@@ -141,7 +118,7 @@ ObjectStream::ObjectStream(XRef *xref, i
if (objNums[i] < 0 || offsets[i] < 0 ||
(i > 0 && offsets[i] < offsets[i-1])) {
delete parser;
- gfree(offsets);
+// gfree(offsets);
goto err1;
}
}
@@ -170,7 +147,7 @@ ObjectStream::ObjectStream(XRef *xref, i
delete parser;
}
- gfree(offsets);
+// gfree(offsets);
err1:
objStr.free();
@@ -187,6 +164,7 @@ ObjectStream::~ObjectStream() {
delete[] objs;
}
gfree(objNums);
+ gfree(offsets);
}
Object *ObjectStream::getObject(int objIdx, int objNum, Object *obj) {