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‎Classes/Document/CGPDFDocument.h‎

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//
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// CGPDFDocument.h
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// Reader v2.6.0
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//
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// Created by Julius Oklamcak on 2011-07-01.
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// Copyright © 2011-2013 Julius Oklamcak. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to
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// do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#import <Foundation/Foundation.h>
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#import <QuartzCore/QuartzCore.h>
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/**
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Create a CGPDFDocumentRef from the PDF file at the given URL.
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@param url The URL of the PDF file to load.
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@param password The password to unlock the file if necessary.
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@return A CGPDFDocumentRef.
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*/
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CGPDFDocumentRef CGPDFDocumentCreate(NSURL *url, NSString *password);
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/**
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Wether or not the given password will unlock the PDF file at the given URL.
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@param url The URL of the PDF file to check.
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@param password The password to attempt to unlock the PDF file with.
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@return YES if the password unlocks the document. NO otherwise.
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*/
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BOOL CGPDFDocumentCanBeUnlockedWithPassword(NSURL *url, NSString *password);

‎Classes/Document/CGPDFDocument.m‎

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//
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// CGPDFDocument.m
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// Reader v2.6.0
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//
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// Created by Julius Oklamcak on 2011-07-01.
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// Copyright © 2011-2013 Julius Oklamcak. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to
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// do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#import "CGPDFDocument.h"
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CGPDFDocumentRef CGPDFDocumentCreate(NSURL *url, NSString *password)
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{
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CGPDFDocumentRef docRef = NULL;
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//Do we have a URL?
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if (url != nil) {
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docRef = CGPDFDocumentCreateWithURL((__bridge CFURLRef)url);
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//Did the document load?
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if (docRef != NULL) {
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//Is the document password protected?
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if (CGPDFDocumentIsEncrypted(docRef) == TRUE) {
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//Try a blank password first, per Apple's Quartz PDF example.
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if (CGPDFDocumentUnlockWithPassword(docRef, "") == FALSE) {
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//Nope, now let's try the provided password to unlock the PDF
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if ((password != nil) && ([password length] > 0)) {
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char text[128]; // char array buffer for the string conversion
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[password getCString:text maxLength:126 encoding:NSUTF8StringEncoding];
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//If we can't unlock the document.
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if (CGPDFDocumentUnlockWithPassword(docRef, text) == FALSE) // Log failure
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{
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#ifdef DEBUG
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NSLog(@"CGPDFDocumentCreate: Unable to unlock [%@] with [%@]", url, password);
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#endif
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}
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}
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}
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//Failed to unlock the document. Cleanup.
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if (CGPDFDocumentIsUnlocked(docRef) == FALSE) {
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CGPDFDocumentRelease(docRef), docRef = NULL;
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}
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}
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} else {
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#ifdef DEBUG
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NSLog(@"CGPDFDocumentCreate: Unable to load PDF Document.");
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#endif
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}
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} else {
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#ifdef DEBUG
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NSLog(@"CGPDFDocumentCreate: No URL Provided");
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#endif
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}
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return docRef;
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}
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BOOL CGPDFDocumentCanBeUnlockedWithPassword(NSURL *url, NSString *password)
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{
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BOOL unlockable = NO;
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//Do we have a URL
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if (url != nil) {
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CGPDFDocumentRef thePDFDocRef = CGPDFDocumentCreateWithURL((__bridge CFURLRef)url);
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//Do we have a document?
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if (thePDFDocRef != NULL)
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{
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//Is the document locked?
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if (CGPDFDocumentIsEncrypted(thePDFDocRef) == TRUE) {
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// Try a blank password first, per Apple's Quartz PDF example
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if (CGPDFDocumentUnlockWithPassword(thePDFDocRef, "") == FALSE) {
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// Nope, now let's try the provided password to unlock the PDF
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if ((password != nil) && ([password length] > 0)) // Not blank?
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{
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char text[128]; // char array buffer for the string conversion
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[password getCString:text maxLength:126 encoding:NSUTF8StringEncoding];
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if (CGPDFDocumentUnlockWithPassword(thePDFDocRef, text) == FALSE) {
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unlockable = YES;
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}
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} else {
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unlockable = NO;
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}
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}
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}
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CGPDFDocumentRelease(thePDFDocRef); // Cleanup CGPDFDocumentRef
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}
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} else {
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#ifdef DEBUG
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NSLog(@"CGPDFDocumentCanBeUnlockedWithPassword: No URL Provided");
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#endif
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}
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return unlockable;
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}

‎Classes/Document/PDFKDocument.h‎

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//
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// ReaderDocument.h
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// Reader v2.6.0
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//
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// Created by Julius Oklamcak on 2011-07-01.
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// Copyright © 2011-2013 Julius Oklamcak. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to
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// do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#import <Foundation/Foundation.h>
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/**
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A object that represents a single PDF File.
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*/
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@interface PDFKDocument : NSObject <NSObject, NSCoding>
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/**@name Document Properties*/
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/**
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The current/last page that the document displaied.
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*/
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@property (nonatomic, assign, readwrite) NSUInteger currentPage;
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/**
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The set of numbers defining the bookmarked pages.
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*/
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@property (nonatomic, strong, readonly) NSMutableIndexSet *bookmarks;
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/**
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The password to open the PDF file if necessary.
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*/
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@property (nonatomic, strong, readonly) NSString *password;
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/**
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The URL location of the PDF file.
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*/
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@property (nonatomic, strong, readonly) NSURL *fileURL;
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/**
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The globally unique identifier for the PDF document.
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*/
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@property (nonatomic, strong, readonly) NSString *guid;
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/**
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The last time the PDF file was opened.
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*/
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@property (nonatomic, strong, readwrite) NSDate *lastOpenedDate;
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/**
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The size of the PDF file in bytes.
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*/
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@property (nonatomic, assign, readonly) NSUInteger fileSize;
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/**
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The total number of pages in the PDF document.
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*/
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@property (nonatomic, assign, readonly) NSUInteger pageCount;
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/**@name File Properties*/
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/**
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The title of the PDF document.
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*/
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@property (nonatomic, strong, readonly) NSString *title;
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/**
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The author of the PDF document.
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*/
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@property (nonatomic, strong, readonly) NSString *author;
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/**
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The subject of the document.
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*/
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@property (nonatomic, strong, readonly) NSString *subject;
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/**
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Keywords decribing the document's contents.
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*/
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@property (nonatomic, strong, readonly) NSString *keywords;
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/**
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The creator of the PDF.
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*/
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@property (nonatomic, strong, readonly) NSString *creator;
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/**
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The producer of the PDF.
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*/
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@property (nonatomic, strong, readonly) NSString *producer;
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/**
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The last time the PDF file was modified.
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*/
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@property (nonatomic, strong, readonly) NSDate *modificationDate;
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/**
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The date the PDF was created.
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*/
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@property (nonatomic, strong, readonly) NSDate *creationDate;
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/**
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The PDF version.
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*/
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@property (nonatomic, assign, readonly) CGFloat version;
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/**@name Creation*/
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/**
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Creates a PDF document from the PDF file at the given path. Unarchiving it if necessary.
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@note This method should be the method used to create the PDF document, it handles unarchiving the document for you. If the document archive does not exist, a new document is created.
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@param filePath The path of the PDF file to load.
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@param password The password to unlock the PDF file if necessary.
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@return A new PDFKDocument.
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*/
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+ (PDFKDocument *)documentWithContentsOfFile:(NSString *)filePath password:(NSString *)password;
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/**
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Unarchive the stored document information and create a PDF document from the PDF file at the given path.
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@param filePath The path of the PDF file to load.
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@param password The password to unlock the PDF file if necessary.
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@return A new PDFKDocument.
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*/
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+ (PDFKDocument *)unarchiveDocumentForContentsOfFile:(NSString *)filePath password:(NSString *)password;
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/**
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Initalize a PDF document from the PDF file at the given path.
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@param filePath The path of the PDF file to load.
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@param password The password to unlock the PDF file if necessary.
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@return A new PDFKDocument.
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*/
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- (id)initWithContentsOfFile:(NSString *)filePath password:(NSString *)password;
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/**
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Save the document information to the archive.
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*/
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- (void)saveReaderDocument;
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/**
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Reload the document properties from the PDF file.
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*/
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- (void)updateProperties;
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@end

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