From 9de94991e9268ef1b017a065c7554c785bb736b2 Mon Sep 17 00:00:00 2001
From: benbro <ben.browitt@gmail.com>
Date: Fri, 13 Jul 2012 17:41:20 +0300
Subject: [PATCH 1/3] Catch errors when parsing the linearization header so we
 can display corrupted docs

---
 src/core.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/core.js b/src/core.js
index 8e07078ef..5faac7621 100644
--- a/src/core.js
+++ b/src/core.js
@@ -398,10 +398,16 @@ var PDFDocument = (function PDFDocumentClosure() {
     get linearization() {
       var length = this.stream.length;
       var linearization = false;
-      if (length) {
-        linearization = new Linearization(this.stream);
-        if (linearization.length != length)
-          linearization = false;
+      try {
+        if (length) {
+          linearization = new Linearization(this.stream);
+          if (linearization.length != length)
+            linearization = false;
+        }
+      } catch (err) {
+        warn('since pdf is broken pdf.js is trying to recover it ' +
+             'by indexing the object; ' +
+             'the error in firebug shall have a different origin');
       }
       // shadow the prototype getter with a data property
       return shadow(this, 'linearization', linearization);

From 278dc81a5404377889af7f6ecaf4bebb7e4b7304 Mon Sep 17 00:00:00 2001
From: benbro <ben.browitt@gmail.com>
Date: Fri, 13 Jul 2012 18:00:55 +0300
Subject: [PATCH 2/3] Move the try/catch block deeper

---
 src/core.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/core.js b/src/core.js
index 5faac7621..46c265298 100644
--- a/src/core.js
+++ b/src/core.js
@@ -398,16 +398,16 @@ var PDFDocument = (function PDFDocumentClosure() {
     get linearization() {
       var length = this.stream.length;
       var linearization = false;
-      try {
-        if (length) {
+      if (length) {
+        try {
           linearization = new Linearization(this.stream);
           if (linearization.length != length)
             linearization = false;
+        } catch (err) {
+          warn('since pdf is broken pdf.js is trying to recover it ' +
+               'by indexing the object; ' +
+               'the error in firebug shall have a different origin');
         }
-      } catch (err) {
-        warn('since pdf is broken pdf.js is trying to recover it ' +
-             'by indexing the object; ' +
-             'the error in firebug shall have a different origin');
       }
       // shadow the prototype getter with a data property
       return shadow(this, 'linearization', linearization);

From a63814e2b920394db9f888de86a05559ad1ef182 Mon Sep 17 00:00:00 2001
From: benbro <ben.browitt@gmail.com>
Date: Fri, 13 Jul 2012 18:09:20 +0300
Subject: [PATCH 3/3] Changed warning

---
 src/core.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/core.js b/src/core.js
index 46c265298..409ae060d 100644
--- a/src/core.js
+++ b/src/core.js
@@ -404,9 +404,8 @@ var PDFDocument = (function PDFDocumentClosure() {
           if (linearization.length != length)
             linearization = false;
         } catch (err) {
-          warn('since pdf is broken pdf.js is trying to recover it ' +
-               'by indexing the object; ' +
-               'the error in firebug shall have a different origin');
+          warn('The linearization data is not available ' +
+               'or unreadable pdf data is found');
         }
       }
       // shadow the prototype getter with a data property