[poppler] cmake/modules configure.ac utils/pdfinfo.1 utils/pdfinfo.cc

Adrian Johnson ajohnson at kemper.freedesktop.org
Sat Sep 17 12:55:19 UTC 2016


 cmake/modules/PopplerMacros.cmake |    2 
 configure.ac                      |    1 
 utils/pdfinfo.1                   |    4 +
 utils/pdfinfo.cc                  |  140 +++++++++++++++++++++++++++++++++++++-
 4 files changed, 145 insertions(+), 2 deletions(-)

New commits:
commit 183dbf3249e8db2398b63a749eb010bc0a89dc35
Author: Adrian Johnson <ajohnson at redneon.com>
Date:   Sat Sep 17 22:08:23 2016 +0930

    pdfinfo: add -dests option to print named destinations
    
    Bug 97262

diff --git a/cmake/modules/PopplerMacros.cmake b/cmake/modules/PopplerMacros.cmake
index 6cadf40..e9b75b9 100644
--- a/cmake/modules/PopplerMacros.cmake
+++ b/cmake/modules/PopplerMacros.cmake
@@ -104,7 +104,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   set(DEFAULT_COMPILE_WARNINGS_YES "-Wall -Wcast-align -fno-exceptions -fno-check-new -fno-common")
   set(DEFAULT_COMPILE_WARNINGS_KDE "-Wno-long-long -Wundef -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -Wcast-align -Wconversion -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-exceptions -fno-check-new -fno-common")
 
-  set(CMAKE_CXX_FLAGS                "-Wnon-virtual-dtor -Woverloaded-virtual ${CMAKE_CXX_FLAGS}")
+  set(CMAKE_CXX_FLAGS                "-std=c++11 -Wnon-virtual-dtor -Woverloaded-virtual ${CMAKE_CXX_FLAGS}")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
   set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG")
   set(CMAKE_CXX_FLAGS_DEBUG          "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
diff --git a/configure.ac b/configure.ac
index c4cfc2c..9ce36e1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,6 +85,7 @@ AC_ARG_ENABLE(build-type,
               enable_build_type=no)
 
 if test "x$GCC" = "xyes"; then
+    CXXFLAGS="-std=c++11 $CXXFLAGS"
     case "$enable_build_type" in
     relwithdebinfo)
         CFLAGS="-O2 -g $CFLAGS"
diff --git a/utils/pdfinfo.1 b/utils/pdfinfo.1
index 741219f..b699dff 100644
--- a/utils/pdfinfo.1
+++ b/utils/pdfinfo.1
@@ -113,6 +113,10 @@ Prints dates in ISO-8601 format (including the time zone).
 .B \-rawdates
 Prints the raw (undecoded) date strings, directly from the PDF file.
 .TP
+.B \-dests
+Print a list of all named destinations. If a page range is specified using "\-f" and "\-l", only
+destinations in the page range are listed.
+.TP
 .BI \-enc " encoding-name"
 Sets the encoding to use for text output. This defaults to "UTF-8".
 .TP
diff --git a/utils/pdfinfo.cc b/utils/pdfinfo.cc
index 9cfdc0f..50e756e 100644
--- a/utils/pdfinfo.cc
+++ b/utils/pdfinfo.cc
@@ -36,6 +36,7 @@
 #include <string.h>
 #include <time.h>
 #include <math.h>
+#include <map>
 #include "parseargs.h"
 #include "printencodings.h"
 #include "goo/GooString.h"
@@ -77,6 +78,7 @@ static GBool printHelp = gFalse;
 static GBool printEnc = gFalse;
 static GBool printStructure = gFalse;
 static GBool printStructureText = gFalse;
+static GBool printDests = gFalse;
 
 static const ArgDesc argDesc[] = {
   {"-f",      argInt,      &firstPage,        0,
@@ -97,6 +99,8 @@ static const ArgDesc argDesc[] = {
    "print the dates in ISO-8601 format"},
   {"-rawdates", argFlag,   &rawDates,         0,
    "print the undecoded date strings directly from the PDF file"},
+  {"-dests",     argFlag,  &printDests,       0,
+   "print all named destinations in the PDF"},
   {"-enc",    argString,   textEncName,    sizeof(textEncName),
    "output text encoding name"},
   {"-listenc",argFlag,     &printEnc,      0,
@@ -289,6 +293,135 @@ static void printStruct(const StructElement *element, unsigned indent) {
   }
 }
 
+struct RefCompare {
+  bool operator() (const Ref& lhs, const Ref& rhs) const {
+    return lhs.num < rhs.num;
+  }
+};
+
+struct GooStringCompare {
+  bool operator() (GooString* lhs, GooString* rhs) const {
+    return lhs->cmp(const_cast<GooString*>(rhs)) < 0;
+  }
+};
+
+static void printLinkDest(LinkDest *dest) {
+  char buf[100];
+
+  switch (dest->getKind()) {
+    case destXYZ:
+      sprintf(buf, "[ XYZ ");
+      if (dest->getChangeLeft()) {
+	sprintf(buf+strlen(buf), "%4.f ", dest->getLeft());
+      } else {
+	strcat(buf, "null ");
+      }
+      if (dest->getChangeTop()) {
+	sprintf(buf+strlen(buf), "%4.f ", dest->getTop());
+      } else {
+	strcat(buf, "null ");
+      }
+      if (dest->getChangeZoom()) {
+	sprintf(buf+strlen(buf), "%4.2f ", dest->getZoom());
+      } else {
+	strcat(buf, "null ");
+      }
+      break;
+    case destFit:
+      sprintf(buf, "[ Fit ");
+      break;
+    case destFitH:
+      if (dest->getChangeTop()) {
+	sprintf(buf, "[ FitH %4.f ", dest->getTop());
+      } else {
+	sprintf(buf, "[ FitH null ");
+      }
+      break;
+    case destFitV:
+      if (dest->getChangeLeft()) {
+	sprintf(buf, "[ FitV %4.f ", dest->getLeft());
+      } else {
+	strcat(buf, "[ FitV null ");
+      }
+      break;
+    case destFitR:
+      sprintf(buf, "[ FitR %4.f %4.f %4.f %4.f ",
+	      dest->getLeft(),
+	      dest->getBottom(),
+	      dest->getRight(),
+	      dest->getTop());
+      break;
+    case destFitB:
+      sprintf(buf, "[ FitB ");
+      break;
+    case destFitBH:
+      if (dest->getChangeTop()) {
+	sprintf(buf, "[ FitBH %4.f ", dest->getTop());
+      } else {
+	sprintf(buf, "[ FitBH null ");
+      }
+      break;
+    case destFitBV:
+      if (dest->getChangeLeft()) {
+	sprintf(buf, "[ FitBV %4.f ", dest->getLeft());
+      } else {
+	strcat(buf, "[ FitBV null ");
+      }
+      break;
+  }
+
+  strcat(buf, "                                ");
+  buf[26] = ']';
+  buf[27] = 0;
+  printf(buf);
+}
+
+static void printDestinations(PDFDoc *doc, UnicodeMap *uMap) {
+  std::map<Ref,std::map<GooString*,LinkDest*,GooStringCompare>, RefCompare > map;
+
+  int numDests = doc->getCatalog()->numDestNameTree();
+  for (int i = 0; i < numDests; i++) {
+    GooString *name = doc->getCatalog()->getDestNameTreeName(i);
+    LinkDest *dest = doc->getCatalog()->getDestNameTreeDest(i);
+    if (dest->isPageRef()) {
+      map[dest->getPageRef()].insert(std::make_pair(name, dest));
+    }
+  }
+
+  numDests = doc->getCatalog()->numDests();
+  for (int i = 0; i < numDests; i++) {
+    GooString *name = new GooString(doc->getCatalog()->getDestsName(i));
+    LinkDest *dest = doc->getCatalog()->getDestsDest(i);
+    if (dest->isPageRef()) {
+      map[dest->getPageRef()].insert(std::make_pair(name, dest));
+    }
+  }
+
+  printf("Page  Destination                 Name\n");
+  for (int i = firstPage; i <= lastPage; i++) {
+    Ref *ref = doc->getCatalog()->getPageRef(i);
+    auto pageDests = map.find(*ref);
+    if (pageDests != map.end()) {
+      for (auto& it: pageDests->second) {
+	it.first->getCString()[4] = 0;
+	printf("%4d ", i);
+	printLinkDest(it.second);
+	printf(" \"");
+	Unicode *u;
+	char buf[8];
+	int n, len;
+	len = TextStringToUCS4(it.first, &u);
+	for (int i = 0; i < len; i++) {
+	  n = uMap->mapUnicode(u[i], buf, sizeof(buf));
+	  fwrite(buf, 1, n, stdout);
+	}
+	gfree(u);
+	printf("\"\n");
+      }
+    }
+  }
+}
+
 void printInfo(PDFDoc *doc, UnicodeMap *uMap, long long filesize, GBool multiPage) {
   Page *page;
   Object info;
@@ -554,7 +687,6 @@ int main(int argc, char *argv[]) {
   }
   if (lastPage == 0) {
     multiPage = gFalse;
-    lastPage = 1;
   } else {
     multiPage = gTrue;
   }
@@ -588,6 +720,8 @@ int main(int argc, char *argv[]) {
 	printStruct(structTree->getChild(i), 0);
       }
     }
+  } else if (printDests) {
+    printDestinations(doc, uMap);
   } else {
     // print info
     long long filesize = 0;
@@ -602,6 +736,10 @@ int main(int argc, char *argv[]) {
       filesize = Gftell(f);
       fclose(f);
     }
+
+    if (multiPage == gFalse)
+      lastPage = 1;
+
     printInfo(doc, uMap, filesize, multiPage);
   }
   exitCode = 0;


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