459ab3484e
Monotone-Revision: 93bb2c6945d08d009e60e0b6280976b86b0b0aaf Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2009-06-03T23:06:52 Monotone-Branch: ca.inverse.sogo
135 lines
3.2 KiB
Objective-C
135 lines
3.2 KiB
Objective-C
/*
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Copyright (C) 2004-2005 SKYRIX Software AG
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This file is part of OpenGroupware.org.
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OGo is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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OGo is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with OGo; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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*/
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/*
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UIxMailPartTextViewer
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Show plaintext mail parts correctly formatted.
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TODO: add server side wrapping.
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TODO: add contained link detection.
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*/
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#import <Foundation/NSException.h>
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#import <NGExtensions/NSString+misc.h>
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#import <SoObjects/SOGo/NSString+Utilities.h>
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#import "UIxMailPartTextViewer.h"
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@interface NSString (SOGoMailUIExtension)
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- (NSString *) stringByConvertingCRLNToHTML;
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@end
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@implementation NSString (SOGoMailUIExtension)
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#define paddingBuffer 8192
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static inline char *
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convertChars (const char *oldString, unsigned int oldLength,
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unsigned int *newLength)
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{
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const char *currentChar, *upperLimit;
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char *newString, *destChar, *reallocated;
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unsigned int length, maxLength;
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maxLength = oldLength + paddingBuffer;
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newString = NSZoneMalloc (NULL, maxLength + 1);
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destChar = newString;
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currentChar = oldString;
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length = 0;
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upperLimit = oldString + oldLength;
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while (currentChar < upperLimit)
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{
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switch (*currentChar)
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{
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case '\r': break;
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case '\n':
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length = destChar - newString;
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if (length + paddingBuffer > maxLength - 6)
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{
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maxLength += paddingBuffer;
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reallocated = NSZoneRealloc (NULL, newString, maxLength + 1);
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if (reallocated)
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{
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newString = reallocated;
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destChar = newString + length;
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}
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else
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[NSException raise: NSMallocException
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format: @"reallocation failed in %s",
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__PRETTY_FUNCTION__];
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}
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strcpy (destChar, "<br />");
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destChar += 6;
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break;
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default:
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*destChar = *currentChar;
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destChar++;
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}
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currentChar++;
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}
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*destChar = 0;
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*newLength = destChar - newString;
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return newString;
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}
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- (NSString *) stringByConvertingCRLNToHTML
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{
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NSString *convertedString;
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char *newString;
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unsigned int newLength;
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newString
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= convertChars ([self cStringUsingEncoding: NSUTF8StringEncoding],
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[self lengthOfBytesUsingEncoding: NSUTF8StringEncoding],
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&newLength);
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convertedString = [[NSString alloc] initWithBytes: newString
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length: newLength
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encoding: NSUTF8StringEncoding];
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[convertedString autorelease];
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NSZoneFree (NULL, newString);
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return convertedString;
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}
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@end
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@implementation UIxMailPartTextViewer
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- (NSString *) flatContentAsString
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{
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NSString *superContent;
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superContent = [[super flatContentAsString] stringByEscapingHTMLString];
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return [[superContent stringByDetectingURLs]
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stringByConvertingCRLNToHTML];
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}
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@end /* UIxMailPartTextViewer */
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