Update packages/ Add org-ref

elpa/pdf-tools-20180428.827/build/server/poppler-hack.cc

@@ -0,0 +1,115 @@
+// Copyright (C) 2013, 2014  Andreas Politz
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <config.h>
+#include <PDFDocEncoding.h>
+#include <Annot.h>
+#include <glib.h>
+#include <glib-object.h>
+
+extern "C"
+{
+
+GType poppler_annot_get_type (void) G_GNUC_CONST;
+GType poppler_annot_markup_get_type (void) G_GNUC_CONST;
+
+#define POPPLER_TYPE_ANNOT (poppler_annot_get_type ())
+#define POPPLER_ANNOT(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), POPPLER_TYPE_ANNOT, PopplerAnnot))
+#define POPPLER_IS_ANNOT_MARKUP(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), POPPLER_TYPE_ANNOT_MARKUP))
+#define POPPLER_TYPE_ANNOT_MARKUP (poppler_annot_markup_get_type ())
+
+  struct PopplerAnnot
+  {
+    GObject  parent_instance;
+    Annot   *annot;
+  };
+
+  struct PopplerAnnotMarkup
+  {
+    GObject  parent_instance;
+  };
+
+  struct PopplerRectangle
+  {
+    double x1;
+    double y1;
+    double x2;
+    double y2;
+  };
+
+  // This function does not modify its argument s, but for
+  // compatibility reasons (e.g. getLength in GooString.h before 2015)
+  // with older poppler code, it can't be declared as such.
+  char *_xpoppler_goo_string_to_utf8(/* const */ GooString *s)
+  {
+    char *result;
+
+    if (! s)
+      return NULL;
+
+    if (s->hasUnicodeMarker()) {
+      result = g_convert (s->getCString () + 2,
+                          s->getLength () - 2,
+                          "UTF-8", "UTF-16BE", NULL, NULL, NULL);
+    } else {
+      int len;
+      gunichar *ucs4_temp;
+      int i;
+
+      len = s->getLength ();
+      ucs4_temp = g_new (gunichar, len + 1);
+      for (i = 0; i < len; ++i) {
+        ucs4_temp[i] = pdfDocEncoding[(unsigned char)s->getChar(i)];
+      }
+      ucs4_temp[i] = 0;
+
+      result = g_ucs4_to_utf8 (ucs4_temp, -1, NULL, NULL, NULL);
+
+      g_free (ucs4_temp);
+    }
+
+    return result;
+  }
+#ifdef HAVE_POPPLER_ANNOT_WRITE
+  // Set the rectangle of an annotation.  It was first added in v0.26.
+  void xpoppler_annot_set_rectangle (PopplerAnnot *a, PopplerRectangle *rectangle)
+  {
+    GooString *state = (GooString*) a->annot->getAppearState ();
+    char *ustate = _xpoppler_goo_string_to_utf8 (state);
+
+    a->annot->setRect (rectangle->x1, rectangle->y1,
+                       rectangle->x2, rectangle->y2);
+    a->annot->setAppearanceState (ustate);
+    g_free (ustate);
+  }
+#endif
+  // This function is in the library, but the enforced date parsing is
+  // incomplete (at least in some versions), because it ignores the
+  // timezone.
+  gchar *xpoppler_annot_markup_get_created (PopplerAnnotMarkup *poppler_annot)
+  {
+    AnnotMarkup *annot;
+    GooString *text;
+
+    g_return_val_if_fail (POPPLER_IS_ANNOT_MARKUP (poppler_annot), NULL);
+
+    annot = static_cast<AnnotMarkup *>(POPPLER_ANNOT (poppler_annot)->annot);
+    text = (GooString*) annot->getDate ();
+
+    return text ? _xpoppler_goo_string_to_utf8 (text) : NULL;
+  }
+}