From c143ec1ac6feb4df8a4086a96fb35d91ac3596d7 Mon Sep 17 00:00:00 2001
From: Marek Kasik <mkasik@redhat.com>
Date: Mon, 15 Jun 2015 11:29:46 +0200
Subject: [PATCH 3/4] Add support for ResetForm action to Link class

Add LinkResetForm class which stores information
needed for resetting of fields of forms.
---
 poppler/Link.cc | 43 +++++++++++++++++++++++++++++++++++++++++++
 poppler/Link.h  | 27 +++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

diff --git a/poppler/Link.cc b/poppler/Link.cc
index 4ab5f52..5811610 100644
--- a/poppler/Link.cc
+++ b/poppler/Link.cc
@@ -126,6 +126,10 @@ LinkAction *LinkAction::parseAction(Object *obj, GooString *baseURI) {
   } else if (obj2.isName("SetOCGState")) {
     action = new LinkOCGState(obj);
 
+  // ResetForm action
+  } else if (obj2.isName("ResetForm")) {
+    action = new LinkResetForm (obj);
+
   // unknown action
   } else if (obj2.isName()) {
     action = new LinkUnknown(obj2.getName());
@@ -879,6 +883,45 @@ LinkOCGState::StateList::~StateList() {
 }
 
 //------------------------------------------------------------------------
+// LinkResetForm
+//------------------------------------------------------------------------
+
+LinkResetForm::LinkResetForm(Object *obj) {
+  Object obj1, obj2;
+
+  fields = NULL;
+  exclude = gFalse;
+
+  if (obj->dictLookup("Fields", &obj1)->isArray()) {
+    fields = new GooList (obj1.arrayGetLength());
+    for (int i = 0; i < obj1.arrayGetLength(); ++i) {
+      obj1.arrayGetNF (i, &obj2);
+      if (obj2.isName())
+        fields->append (new GooString (obj2.getName ()));
+      else if (obj2.isRef())
+        fields->append (GooString::format("{0:d} {1:d} R", obj2.getRef().num, obj2.getRef().gen));
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  if (obj->dictLookup("Flags", &obj1)->isInt()) {
+    int flags = obj1.getInt();
+
+    if (flags & 0x1)
+      exclude = gTrue;
+  }
+  obj1.free();
+}
+
+LinkResetForm::~LinkResetForm() {
+  if (fields) {
+    deleteGooList (fields, GooString);
+    fields = NULL;
+  }
+}
+
+//------------------------------------------------------------------------
 // LinkUnknown
 //------------------------------------------------------------------------
 
diff --git a/poppler/Link.h b/poppler/Link.h
index fc2abe6..0c36f10 100644
--- a/poppler/Link.h
+++ b/poppler/Link.h
@@ -56,6 +56,7 @@ enum LinkActionKind {
   actionSound,			// sound action
   actionJavaScript,		// JavaScript action
   actionOCGState,               // Set-OCG-State action
+  actionResetForm,		// ResetForm action
   actionUnknown			// anything else
 };
 
@@ -444,6 +445,32 @@ private:
 };
 
 //------------------------------------------------------------------------
+// LinkResetForm
+//------------------------------------------------------------------------
+
+class LinkResetForm: public LinkAction {
+public:
+
+  // Build a LinkResetForm.
+  LinkResetForm(Object *nameObj);
+
+  virtual ~LinkResetForm();
+
+  virtual GBool isOk() { return gTrue; }
+
+  virtual LinkActionKind getKind() { return actionResetForm; }
+
+  GooList *getFields() { return fields; }
+  GBool    getExclude() { return exclude; }
+
+private:
+
+  GooList *fields;
+  GBool    exclude;
+};
+
+
+//------------------------------------------------------------------------
 // LinkUnknown
 //------------------------------------------------------------------------
 
-- 
2.4.3