Attachment 126158 Details for Bug 97262 – pdfinfo: print dests v2

[patch] pdfinfo: print dests v2

0001-pdfinfo-add-dests-option-to-print-named-destinations.patch (text/plain), 6.52 KB, created by Adrian Johnson on 2016-09-01 12:47:46 UTC

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Creator: Adrian Johnson

Created: 2016-09-01 12:47:46 UTC

Size: 6.52 KB

patch

obsolete

>From 5f1b04e8e5c0a1d89b77491e4df2e3eb5abb0776 Mon Sep 17 00:00:00 2001
>From: Adrian Johnson <ajohnson@redneon.com>
>Date: Tue, 30 Aug 2016 22:26:28 +0930
>Subject: [PATCH] pdfinfo: add -dests option to print named destinations
>
>Bug 97262
>---
> configure.ac     |   1 +
> utils/pdfinfo.1  |   4 ++
> utils/pdfinfo.cc | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> 3 files changed, 144 insertions(+), 1 deletion(-)
>
>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 bffd67f..211e8a2 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;
>@@ -552,7 +685,6 @@ int main(int argc, char *argv[]) {
>   }
>   if (lastPage == 0) {
>     multiPage = gFalse;
>-    lastPage = 1;
>   } else {
>     multiPage = gTrue;
>   }
>@@ -586,6 +718,8 @@ int main(int argc, char *argv[]) {
> 	printStruct(structTree->getChild(i), 0);
>       }
>     }
>+  } else if (printDests) {
>+    printDestinations(doc, uMap);
>   } else {
>     // print info
>     long long filesize = 0;
>@@ -600,6 +734,10 @@ int main(int argc, char *argv[]) {
>       filesize = Gftell(f);
>       fclose(f);
>     }
>+
>+    if (multiPage == gFalse)
>+      lastPage = 1;
>+
>     printInfo(doc, uMap, filesize, multiPage);
>   }
>   exitCode = 0;
>-- 
>2.1.4
>

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Attachments on bug 97262: 125645 | 125919 | 125938 | 125939 | 125940 | 126078 | 126079 | 126119 | 126133 | 126158 | 126159 | 126160 | 126161 | 126179 | 126180 | 126181 | 126182 | 126779 | 126780 | 126781 | 128367 | 133527

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