xpdf-no-select-disableHEADmaster

1 files changed, 166 insertions, 0 deletions

diff --git a/xpdf/XFAScanner.h b/xpdf/XFAScanner.h
new file mode 100644
index 0000000..00ee6f7
--- /dev/null
+++ b/xpdf/XFAScanner.h
@@ -0,0 +1,166 @@
+//========================================================================
+//
+// XFAScanner.h
+//
+// Copyright 2020 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef XFASCANNER_H
+#define XFASCANNER_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+class GHash;
+class ZxElement;
+
+//------------------------------------------------------------------------
+
+enum XFAFieldLayoutHAlign {
+  xfaFieldLayoutHAlignLeft,
+  xfaFieldLayoutHAlignCenter,
+  xfaFieldLayoutHAlignRight
+};
+
+enum XFAFieldLayoutVAlign {
+  xfaFieldLayoutVAlignTop,
+  xfaFieldLayoutVAlignMiddle,
+  xfaFieldLayoutVAlignBottom
+};
+
+class XFAFieldLayoutInfo {
+public:
+
+  XFAFieldLayoutInfo(XFAFieldLayoutHAlign hAlignA,
+		     XFAFieldLayoutVAlign vAlignA);
+
+  XFAFieldLayoutHAlign hAlign;
+  XFAFieldLayoutVAlign vAlign;
+};
+
+//------------------------------------------------------------------------
+
+enum XFAFieldPictureSubtype {
+  xfaFieldPictureDateTime,
+  xfaFieldPictureNumeric,
+  xfaFieldPictureText
+};
+
+class XFAFieldPictureInfo {
+public:
+
+  XFAFieldPictureInfo(XFAFieldPictureSubtype subtypeA, GString *formatA);
+  ~XFAFieldPictureInfo();
+
+  XFAFieldPictureSubtype subtype;
+  GString *format;		// picture format string
+};
+
+//------------------------------------------------------------------------
+
+class XFAFieldBarcodeInfo {
+public:
+
+  XFAFieldBarcodeInfo(GString *barcodeTypeA, double wideNarrowRatioA,
+		      double moduleWidthA, double moduleHeightA,
+		      int dataLengthA, int errorCorrectionLevelA,
+		      GString *textLocationA);
+  ~XFAFieldBarcodeInfo();
+
+  GString *barcodeType;
+  double wideNarrowRatio;
+  double moduleWidth;
+  double moduleHeight;
+  int dataLength;
+  int errorCorrectionLevel;
+  GString *textLocation;
+};
+
+//------------------------------------------------------------------------
+
+class XFAField {
+public:
+
+  XFAField(GString *nameA, GString *fullNameA, GString *valueA,
+	   XFAFieldLayoutInfo *layoutInfoA,
+	   XFAFieldPictureInfo *pictureInfoA,
+	   XFAFieldBarcodeInfo *barcodeInfoA);
+  ~XFAField();
+
+  // Get the field's value, or NULL if it doesn't have a value.  Sets
+  // *[length] to the length of the Unicode string.
+  GString *getValue() { return value; }
+
+  // Return a pointer to the field's picture formatting info object,
+  // or NULL if the field doesn't have picture formatting.
+  XFAFieldPictureInfo *getPictureInfo() { return pictureInfo; }
+
+  // Return a pointer to the field's layout info object, or NULL if
+  // the field doesn't have layout info.
+  XFAFieldLayoutInfo *getLayoutInfo() { return layoutInfo; }
+
+  // Return a pointer to the field's barcode info object, or NULL if
+  // the field isn't a barcode.
+  XFAFieldBarcodeInfo *getBarcodeInfo() { return barcodeInfo; }
+
+private:
+
+  friend class XFAScanner;
+
+  GString *name;		// UTF-8
+  GString *fullName;		// UTF-8
+  GString *value;		// UTF-8
+  XFAFieldLayoutInfo *layoutInfo;
+  XFAFieldPictureInfo *pictureInfo;
+  XFAFieldBarcodeInfo *barcodeInfo;
+};
+
+//------------------------------------------------------------------------
+
+class XFAScanner {
+public:
+
+  static XFAScanner *load(Object *xfaObj);
+
+  virtual ~XFAScanner();
+
+  // Find an XFA field matchined the specified AcroForm field name.
+  // Returns NULL if there is no matching field.
+  XFAField *findField(GString *acroFormFieldName);
+
+private:
+
+  XFAScanner();
+  static GString *readXFAStreams(Object *xfaObj);
+  GHash *scanFormValues(ZxElement *xmlRoot);
+  void scanFormNode(ZxElement *elem, GString *fullName,
+		    GHash *formValues);
+  void scanNode(ZxElement *elem,
+		GString *parentName, GString *parentFullName,
+		GHash *nameIdx, GHash *fullNameIdx,
+		GString *exclGroupName, ZxElement *xmlRoot,
+		GHash *formValues);
+  void scanField(ZxElement *elem, GString *name, GString *fullName,
+		 GString *exclGroupName, ZxElement *xmlRoot,
+		 GHash *formValues);
+  GString *getFieldValue(ZxElement *elem, GString *name,
+			 GString *fullName, GString *exclGroupName,
+			 ZxElement *xmlRoot, GHash *formValues);
+  GString *getDatasetsValue(char *partName, ZxElement *elem);
+  XFAFieldLayoutInfo *getFieldLayoutInfo(ZxElement *elem);
+  XFAFieldPictureInfo *getFieldPictureInfo(ZxElement *elem);
+  XFAFieldBarcodeInfo *getFieldBarcodeInfo(ZxElement *elem);
+  double getMeasurement(GString *s);
+  GString *getNodeName(ZxElement *elem);
+  GString *getNodeFullName(ZxElement *elem);
+  GBool nodeIsBindGlobal(ZxElement *elem);
+  GBool nodeIsBindNone(ZxElement *elem);
+
+  GHash *fields;		// [XFAField]
+};
+
+#endif