adium/adium

Merged matthewkotila/adium/tip into default
default
2016-09-05, Robbie
92fa28ff1873
Merged matthewkotila/adium/tip into default

Fixes #16970 ("Transition from SenTestingKit to XCTest") in order to build on OS X 10.11 / Xcode 7.2.
/*
* Adium is the legal property of its developers, whose names are listed in the copyright file included
* with this source distribution.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program; if not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#import "AIMessageAliasPlugin.h"
#import <Adium/AIAccountControllerProtocol.h>
#import <AIUtilities/AIAttributedStringAdditions.h>
#import <AIUtilities/AIDateFormatterAdditions.h>
#import <Adium/AIAccount.h>
#import <Adium/AIContentMessage.h>
#import <Adium/AIListContact.h>
@interface AIMessageAliasPlugin ()
- (NSMutableAttributedString *)replaceKeywordsInString:(NSAttributedString *)original context:(id)context;
@end
@implementation AIMessageAliasPlugin
- (void)installPlugin
{
//Register us as a filter
[adium.contentController registerContentFilter:self ofType:AIFilterDisplay direction:AIFilterIncoming];
[adium.contentController registerContentFilter:self ofType:AIFilterAutoReplyContent direction:AIFilterOutgoing];
[adium.contentController registerContentFilter:self ofType:AIFilterTooltips direction:AIFilterIncoming];
[adium.contentController registerContentFilter:self ofType:AIFilterContactList direction:AIFilterIncoming];
}
- (void)uninstallPlugin
{
[adium.contentController unregisterContentFilter:self];
}
- (NSAttributedString *)filterAttributedString:(NSAttributedString *)inAttributedString context:(id)context
{
if (!inAttributedString || ![inAttributedString length]) return inAttributedString;
//Filter keywords in the message
NSMutableAttributedString *filteredMessage = [self replaceKeywordsInString:inAttributedString context:context];;
//Filter keywords in URLs (For AIM subprofile links, mostly)
NSInteger length = [(filteredMessage ? filteredMessage : inAttributedString) length];
NSRange scanRange = NSMakeRange(0, 0);
while (NSMaxRange(scanRange) < length) {
id linkURL = [(filteredMessage ? filteredMessage : inAttributedString) attribute:NSLinkAttributeName
atIndex:NSMaxRange(scanRange)
effectiveRange:&scanRange];
if (linkURL) {
NSString *linkURLString;
if ([linkURL isKindOfClass:[NSURL class]]) {
linkURLString = (__bridge_transfer NSString *)CFURLCreateStringByReplacingPercentEscapes(kCFAllocatorDefault,
(__bridge CFStringRef)[(NSURL *)linkURL absoluteString],
/* characters to leave escaped */ CFSTR(""));
} else {
linkURLString = (NSString *)linkURL;
}
if (linkURLString) {
//If we found a URL, replace any keywords within it
NSString *result = [[self replaceKeywordsInString:[NSAttributedString stringWithString:linkURLString]
context:context] string];
if (result) {
NSURL *newURL;
NSString *escapedLinkURLString;
NSString *charactersToLeaveUnescaped = @"#";
if (!filteredMessage) filteredMessage = [inAttributedString mutableCopy];
escapedLinkURLString = (__bridge_transfer NSString *)CFURLCreateStringByAddingPercentEscapes(/* allocator */ kCFAllocatorDefault,
(__bridge CFStringRef)result,
(__bridge CFStringRef)charactersToLeaveUnescaped,
/* legal characters to escape */ NULL,
kCFStringEncodingUTF8);
newURL = [NSURL URLWithString:escapedLinkURLString];
if (newURL) {
[filteredMessage addAttribute:NSLinkAttributeName
value:newURL
range:scanRange];
}
}
}
}
}
return (filteredMessage ? filteredMessage : inAttributedString);
}
- (CGFloat)filterPriority
{
return DEFAULT_FILTER_PRIORITY;
}
- (BOOL)string:(NSString *)str containsValidKeyword:(NSString *)keyword
{
NSRange range = [str rangeOfString:keyword options:NSLiteralSearch];
BOOL validKeyword = NO;
if (range.location != NSNotFound) {
if ((range.location == 0) || ((NSMaxRange(range) == [str length]))) {
/* At the beginning or end of the line */
validKeyword = YES;
} else {
NSCharacterSet *alphanumericCharacterSet = [NSCharacterSet alphanumericCharacterSet];
if (![alphanumericCharacterSet characterIsMember:[str characterAtIndex:(range.location - 1)]] &&
![alphanumericCharacterSet characterIsMember:[str characterAtIndex:NSMaxRange(range)]]) {
validKeyword = YES;
}
}
}
return validKeyword;
}
/*!
* @brief Replace any AIM-style keywords (%n, %d, %t) in the passed string
*
* @param attributedString The string
* @param context The object for which we are filtering, if known
*
* @result A mutable version of the passed string if keywords have been replaced. Otherwise returns nil.
*/
- (NSMutableAttributedString *)replaceKeywordsInString:(NSAttributedString *)attributedString context:(id)context
{
NSString *str = [attributedString string];
NSMutableAttributedString *newAttributedString = nil;
//Abort early if there are no potential keywords
if ([str rangeOfString:@"%" options:NSLiteralSearch].location == NSNotFound)
return nil;
//Our Name
//If we're passed content, our account will be the destination of that content
//If we're passed a list object, we can use the name of the preferred account for that object
if ([self string:str containsValidKeyword:@"%n"]) {
NSString *replacement = nil;
if ([context isKindOfClass:[AIContentObject class]]) {
replacement = [[context destination] UID]; //This exists primarily for AIM compatibility; AIM uses the UID (no formatting).
} else if ([context isKindOfClass:[AIListContact class]]) {
replacement = [[adium.accountController preferredAccountForSendingContentType:CONTENT_MESSAGE_TYPE
toContact:context] formattedUID];
}
if (replacement) {
if (!newAttributedString) newAttributedString = [attributedString mutableCopy];
[newAttributedString replaceOccurrencesOfString:@"%n"
withString:replacement
options:NSLiteralSearch
range:NSMakeRange(0, [newAttributedString length])];
}
}
//Current Date
if ([self string:str containsValidKeyword:@"%d"]) {
NSDate *currentDate = [NSDate date];
__block NSString *calendarFormat;
[NSDateFormatter withLocalizedShortDateFormatterPerform:^(NSDateFormatter *dateFormatter){
calendarFormat = [dateFormatter dateFormat];
}];
if (!newAttributedString) newAttributedString = [attributedString mutableCopy];
[newAttributedString replaceOccurrencesOfString:@"%d"
withString:[currentDate descriptionWithCalendarFormat:calendarFormat timeZone:nil locale:nil]
options:NSLiteralSearch
range:NSMakeRange(0, [newAttributedString length])];
}
//Current Time
if ([self string:str containsValidKeyword:@"%t"]) {
NSDate *currentDate = [NSDate date];
if (!newAttributedString) newAttributedString = [attributedString mutableCopy];
[NSDateFormatter withLocalizedDateFormatterShowingSeconds:YES showingAMorPM:YES perform:^(NSDateFormatter *localDateFormatter){
[newAttributedString replaceOccurrencesOfString:@"%t"
withString:[localDateFormatter stringFromDate:currentDate]
options:NSLiteralSearch
range:NSMakeRange(0, [newAttributedString length])];
}];
}
return newAttributedString;
}
@end