Attachment 86679 Details for Bug 64816 – [PATCH v8 06/15] Tagged-PDF: Modify pdfinfo to show the document structure

[patch] [PATCH v8 06/15] Tagged-PDF: Modify pdfinfo to show the document structure

0006-Tagged-PDF-Modify-pdfinfo-to-show-the-document-struc.patch (text/plain), 5.46 KB, created by Adrian Perez de Castro on 2013-09-26 18:46:37 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Adrian Perez de Castro

Created: 2013-09-26 18:46:37 UTC

Size: 5.46 KB

patch

obsolete

>From fadbb3b1abf39eaf6956f1bbabed33f211668557 Mon Sep 17 00:00:00 2001
>From: Adrian Perez de Castro <aperez@igalia.com>
>Date: Thu, 9 May 2013 19:11:26 +0300
>Subject: [PATCH v8 06/15] Tagged-PDF: Modify pdfinfo to show the document
> structure
>
>---
> utils/pdfinfo.cc | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 95 insertions(+), 1 deletion(-)
>
>diff --git a/utils/pdfinfo.cc b/utils/pdfinfo.cc
>index 22d9edd..785f460 100644
>--- a/utils/pdfinfo.cc
>+++ b/utils/pdfinfo.cc
>@@ -3,6 +3,7 @@
> // pdfinfo.cc
> //
> // Copyright 1998-2003 Glyph & Cog, LLC
>+// Copyright 2013 Igalia S.L.
> //
> //========================================================================
> 
>@@ -19,7 +20,7 @@
> // Copyright (C) 2011 Vittal Aithal <vittal.aithal@cognidox.com>
> // Copyright (C) 2012, 2013 Adrian Johnson <ajohnson@redneon.com>
> // Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
>-// Copyright (C) 2013 Adrian Perez de Castro <aperez@igalia.com>
>+// Copyright (C) 2013 Igalia S.L.
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -55,11 +56,15 @@
> #include "Error.h"
> #include "DateInfo.h"
> #include "JSInfo.h"
>+#include "StructTreeRoot.h"
>+#include "StructElement.h"
> 
> static void printInfoString(Dict *infoDict, const char *key, const char *text,
> 			    UnicodeMap *uMap);
> static void printInfoDate(Dict *infoDict, const char *key, const char *text);
> static void printBox(const char *text, PDFRectangle *box);
>+static void printStruct(const StructElement *element, unsigned indent = 0);
>+static void printIndent(unsigned level);
> 
> static int firstPage = 1;
> static int lastPage = 0;
>@@ -73,6 +78,8 @@ static char userPassword[33] = "\001";
> static GBool printVersion = gFalse;
> static GBool printHelp = gFalse;
> static GBool printEnc = gFalse;
>+static GBool printStructure = gFalse;
>+static GBool printStructureText = gFalse;
> 
> static const ArgDesc argDesc[] = {
>   {"-f",      argInt,      &firstPage,        0,
>@@ -85,6 +92,10 @@ static const ArgDesc argDesc[] = {
>    "print the document metadata (XML)"},
>   {"-js",     argFlag,     &printJS,          0,
>    "print all JavaScript in the PDF"},
>+  {"-struct", argFlag,     &printStructure,   0,
>+   "print the logical document structure (for tagged files)"},
>+  {"-struct-text", argFlag, &printStructureText, 0,
>+   "print text contents along with document structure (for tagged files)"},
>   {"-rawdates", argFlag,   &rawDates,         0,
>    "print the undecoded date strings directly from the PDF file"},
>   {"-enc",    argString,   textEncName,    sizeof(textEncName),
>@@ -141,6 +152,9 @@ int main(int argc, char *argv[]) {
>     goto err0;
>   }
> 
>+  if (printStructureText)
>+    printStructure = gTrue;
>+
>   // read config file
>   globalParams = new GlobalParams();
> 
>@@ -394,6 +408,15 @@ int main(int argc, char *argv[]) {
>     jsInfo.scanJS(lastPage - firstPage + 1, stdout, uMap);
>   }
> 
>+  // print the structure
>+  const StructTreeRoot *structTree;
>+  if (printStructure && (structTree = doc->getCatalog()->getStructTreeRoot())) {
>+    fputs("Structure:\n", stdout);
>+    for (unsigned i = 0; i < structTree->getNumElements(); i++) {
>+      printStruct(structTree->getElement(i), 1);
>+    }
>+  }
>+
>   exitCode = 0;
> 
>   // clean up
>@@ -474,3 +497,74 @@ static void printBox(const char *text, PDFRectangle *box) {
>   printf("%s%8.2f %8.2f %8.2f %8.2f\n",
> 	 text, box->x1, box->y1, box->x2, box->y2);
> }
>+
>+static void printIndent(unsigned indent) {
>+  while (indent--) {
>+    putchar(' ');
>+    putchar(' ');
>+  }
>+}
>+
>+static void printAttribute(const Attribute *attribute, unsigned indent)
>+{
>+  printIndent(indent);
>+  printf(" /%s ", attribute->getTypeName());
>+  if (attribute->getType() == Attribute::UserProperty) {
>+    printf("(%s) ", attribute->getName());
>+  }
>+  attribute->getValue()->print(stdout);
>+  if (attribute->getFormattedValue()) {
>+    printf(" \"%s\"", attribute->getFormattedValue());
>+  }
>+  if (attribute->isHidden()) {
>+    printf(" [hidden]");
>+  }
>+}
>+
>+static void printStruct(const StructElement *element, unsigned indent) {
>+  if (element->isObjectRef()) {
>+    printIndent(indent);
>+    printf("Object %i %i\n", element->getObjectRef().num, element->getObjectRef().gen);
>+    return;
>+  }
>+
>+  if (printStructureText && element->isContent()) {
>+    GooString *text = element->getText(NULL, gFalse);
>+    printIndent(indent);
>+    if (text) {
>+      printf("\"%s\"\n", text->getCString());
>+    } else {
>+      printf("(No content?)\n");
>+    }
>+    delete text;
>+  }
>+
>+  if (!element->isContent()) {
>+      printIndent(indent);
>+      printf("%s", element->getTypeName());
>+      if (element->getID()) {
>+          printf(" <%s>", element->getID()->getCString());
>+      }
>+      if (element->getTitle()) {
>+          printf(" \"%s\"", element->getTitle()->getCString());
>+      }
>+      if (element->getRevision() > 0) {
>+          printf(" r%u", element->getRevision());
>+      }
>+      if (element->isInline() || element->isBlock()) {
>+          printf(" (%s)", element->isInline() ? "inline" : "block");
>+      }
>+      if (element->getNumAttributes()) {
>+          putchar(':');
>+          for (unsigned i = 0; i < element->getNumAttributes(); i++) {
>+              putchar('\n');
>+              printAttribute(element->getAttribute(i), indent + 1);
>+          }
>+      }
>+
>+      putchar('\n');
>+      for (unsigned i = 0; i < element->getNumElements(); i++) {
>+          printStruct(element->getElement(i), indent + 1);
>+      }
>+  }
>+}
>-- 
>1.8.4
>

Actions: View | Splinter Review

Attachments on bug 64816: 79992 | 80408 | 80421 | 81013 | 81014 | 81015 | 83434 | 83435 | 83452 | 86679 | 86680 | 89056 | 89057 | 89918 | 95216 | 120726

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.