From 1d88955fa68fb7fb0fd2d705bc80655edb7a5972 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sun, 20 Jan 2013 14:55:01 -0500
Subject: Added new QPDFObjectHandle types Keyword and InlineImage

These object types are to facilitate content stream parsing.
---
 libqpdf/QPDFObjectHandle.cc      | 59 +++++++++++++++++++++++++++++++++++++++-
 libqpdf/QPDF_InlineImage.cc      | 24 ++++++++++++++++
 libqpdf/QPDF_Keyword.cc          | 24 ++++++++++++++++
 libqpdf/build.mk                 |  2 ++
 libqpdf/qpdf/QPDF_InlineImage.hh | 18 ++++++++++++
 libqpdf/qpdf/QPDF_Keyword.hh     | 18 ++++++++++++
 6 files changed, 144 insertions(+), 1 deletion(-)
 create mode 100644 libqpdf/QPDF_InlineImage.cc
 create mode 100644 libqpdf/QPDF_Keyword.cc
 create mode 100644 libqpdf/qpdf/QPDF_InlineImage.hh
 create mode 100644 libqpdf/qpdf/QPDF_Keyword.hh

(limited to 'libqpdf')

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index 54897b83..9b51a0cb 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -7,6 +7,8 @@
 #include <qpdf/QPDF_Real.hh>
 #include <qpdf/QPDF_Name.hh>
 #include <qpdf/QPDF_String.hh>
+#include <qpdf/QPDF_Keyword.hh>
+#include <qpdf/QPDF_InlineImage.hh>
 #include <qpdf/QPDF_Array.hh>
 #include <qpdf/QPDF_Dictionary.hh>
 #include <qpdf/QPDF_Stream.hh>
@@ -151,6 +153,20 @@ QPDFObjectHandle::isString()
     return QPDFObjectTypeAccessor<QPDF_String>::check(obj.getPointer());
 }
 
+bool
+QPDFObjectHandle::isKeyword()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Keyword>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isInlineImage()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_InlineImage>::check(obj.getPointer());
+}
+
 bool
 QPDFObjectHandle::isArray()
 {
@@ -190,7 +206,8 @@ QPDFObjectHandle::isIndirect()
 bool
 QPDFObjectHandle::isScalar()
 {
-    return (! (isArray() || isDictionary() || isStream()));
+    return (! (isArray() || isDictionary() || isStream() ||
+               isKeyword() || isInlineImage()));
 }
 
 // Bool accessors
@@ -245,6 +262,22 @@ QPDFObjectHandle::getUTF8Value()
     return dynamic_cast<QPDF_String*>(obj.getPointer())->getUTF8Val();
 }
 
+// Keyword and Inline Image accessors
+
+std::string
+QPDFObjectHandle::getKeywordValue()
+{
+    assertKeyword();
+    return dynamic_cast<QPDF_Keyword*>(obj.getPointer())->getVal();
+}
+
+std::string
+QPDFObjectHandle::getInlineImageValue()
+{
+    assertInlineImage();
+    return dynamic_cast<QPDF_InlineImage*>(obj.getPointer())->getVal();
+}
+
 // Array accessors
 
 int
@@ -928,6 +961,18 @@ QPDFObjectHandle::newString(std::string const& str)
     return QPDFObjectHandle(new QPDF_String(str));
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::newKeyword(std::string const& value)
+{
+    return QPDFObjectHandle(new QPDF_Keyword(value));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newInlineImage(std::string const& value)
+{
+    return QPDFObjectHandle(new QPDF_InlineImage(value));
+}
+
 QPDFObjectHandle
 QPDFObjectHandle::newArray()
 {
@@ -1212,6 +1257,18 @@ QPDFObjectHandle::assertString()
     assertType("String", isString());
 }
 
+void
+QPDFObjectHandle::assertKeyword()
+{
+    assertType("Keyword", isKeyword());
+}
+
+void
+QPDFObjectHandle::assertInlineImage()
+{
+    assertType("InlineImage", isInlineImage());
+}
+
 void
 QPDFObjectHandle::assertArray()
 {
diff --git a/libqpdf/QPDF_InlineImage.cc b/libqpdf/QPDF_InlineImage.cc
new file mode 100644
index 00000000..e42ddbf2
--- /dev/null
+++ b/libqpdf/QPDF_InlineImage.cc
@@ -0,0 +1,24 @@
+#include <qpdf/QPDF_InlineImage.hh>
+
+#include <qpdf/QUtil.hh>
+
+QPDF_InlineImage::QPDF_InlineImage(std::string const& val) :
+    val(val)
+{
+}
+
+QPDF_InlineImage::~QPDF_InlineImage()
+{
+}
+
+std::string
+QPDF_InlineImage::unparse()
+{
+    return this->val;
+}
+
+std::string
+QPDF_InlineImage::getVal() const
+{
+    return this->val;
+}
diff --git a/libqpdf/QPDF_Keyword.cc b/libqpdf/QPDF_Keyword.cc
new file mode 100644
index 00000000..e2537842
--- /dev/null
+++ b/libqpdf/QPDF_Keyword.cc
@@ -0,0 +1,24 @@
+#include <qpdf/QPDF_Keyword.hh>
+
+#include <qpdf/QUtil.hh>
+
+QPDF_Keyword::QPDF_Keyword(std::string const& val) :
+    val(val)
+{
+}
+
+QPDF_Keyword::~QPDF_Keyword()
+{
+}
+
+std::string
+QPDF_Keyword::unparse()
+{
+    return this->val;
+}
+
+std::string
+QPDF_Keyword::getVal() const
+{
+    return this->val;
+}
diff --git a/libqpdf/build.mk b/libqpdf/build.mk
index a12a0b2c..0b248a91 100644
--- a/libqpdf/build.mk
+++ b/libqpdf/build.mk
@@ -40,8 +40,10 @@ SRCS_libqpdf = \
 	libqpdf/QPDF_Array.cc \
 	libqpdf/QPDF_Bool.cc \
 	libqpdf/QPDF_Dictionary.cc \
+	libqpdf/QPDF_InlineImage.cc \
 	libqpdf/QPDF_Integer.cc \
 	libqpdf/QPDF_Name.cc \
+	libqpdf/QPDF_Keyword.cc \
 	libqpdf/QPDF_Null.cc \
 	libqpdf/QPDF_Real.cc \
 	libqpdf/QPDF_Reserved.cc \
diff --git a/libqpdf/qpdf/QPDF_InlineImage.hh b/libqpdf/qpdf/QPDF_InlineImage.hh
new file mode 100644
index 00000000..6408a2f1
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_InlineImage.hh
@@ -0,0 +1,18 @@
+#ifndef __QPDF_INLINEIMAGE_HH__
+#define __QPDF_INLINEIMAGE_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_InlineImage: public QPDFObject
+{
+  public:
+    QPDF_InlineImage(std::string const& val);
+    virtual ~QPDF_InlineImage();
+    virtual std::string unparse();
+    std::string getVal() const;
+
+  private:
+    std::string val;
+};
+
+#endif // __QPDF_INLINEIMAGE_HH__
diff --git a/libqpdf/qpdf/QPDF_Keyword.hh b/libqpdf/qpdf/QPDF_Keyword.hh
new file mode 100644
index 00000000..1a5c0ee6
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Keyword.hh
@@ -0,0 +1,18 @@
+#ifndef __QPDF_KEYWORD_HH__
+#define __QPDF_KEYWORD_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Keyword: public QPDFObject
+{
+  public:
+    QPDF_Keyword(std::string const& val);
+    virtual ~QPDF_Keyword();
+    virtual std::string unparse();
+    std::string getVal() const;
+
+  private:
+    std::string val;
+};
+
+#endif // __QPDF_KEYWORD_HH__
-- 
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