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- Fix PNInstallation

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giuseppenuc committed 2016-04-05 15:46:06 +02:00
1 parent 1df32f64a7
commit 7752bf3e18
51 files changed
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Example/Pods/JRSwizzle/JRSwizzle.h
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// JRSwizzle.h semver:1.0
// Copyright (c) 2007-2011 Jonathan 'Wolf' Rentzsch: http://rentzsch.com
// Some rights reserved: http://opensource.org/licenses/MIT
// https://github.com/rentzsch/jrswizzle
#import <Foundation/Foundation.h>
@interface NSObject (JRSwizzle)
+ (BOOL)jr_swizzleMethod:(SEL)origSel_ withMethod:(SEL)altSel_ error:(NSError**)error_;
+ (BOOL)jr_swizzleClassMethod:(SEL)origSel_ withClassMethod:(SEL)altSel_ error:(NSError**)error_;
@end
Example/Pods/JRSwizzle/JRSwizzle.m
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// JRSwizzle.m semver:1.0
// Copyright (c) 2007-2011 Jonathan 'Wolf' Rentzsch: http://rentzsch.com
// Some rights reserved: http://opensource.org/licenses/MIT
// https://github.com/rentzsch/jrswizzle
#import "JRSwizzle.h"
#if TARGET_OS_IPHONE
#import <objc/runtime.h>
#import <objc/message.h>
#else
#import <objc/objc-class.h>
#endif
#define SetNSErrorFor(FUNC, ERROR_VAR, FORMAT,...) \
if (ERROR_VAR) { \
NSString *errStr = [NSString stringWithFormat:@"%s: " FORMAT,FUNC,##__VA_ARGS__]; \
*ERROR_VAR = [NSError errorWithDomain:@"NSCocoaErrorDomain" \
code:-1 \
userInfo:[NSDictionary dictionaryWithObject:errStr forKey:NSLocalizedDescriptionKey]]; \
}
#define SetNSError(ERROR_VAR, FORMAT,...) SetNSErrorFor(__func__, ERROR_VAR, FORMAT, ##__VA_ARGS__)
#if OBJC_API_VERSION >= 2
#define GetClass(obj) object_getClass(obj)
#else
#define GetClass(obj) (obj ? obj->isa : Nil)
#endif
@implementation NSObject (JRSwizzle)
+ (BOOL)jr_swizzleMethod:(SEL)origSel_ withMethod:(SEL)altSel_ error:(NSError**)error_ {
#if OBJC_API_VERSION >= 2
Method origMethod = class_getInstanceMethod(self, origSel_);
if (!origMethod) {
#if TARGET_OS_IPHONE
SetNSError(error_, @"original method %@ not found for class %@", NSStringFromSelector(origSel_), [self class]);
#else
SetNSError(error_, @"original method %@ not found for class %@", NSStringFromSelector(origSel_), [self className]);
#endif
return NO;
}
Method altMethod = class_getInstanceMethod(self, altSel_);
if (!altMethod) {
#if TARGET_OS_IPHONE
SetNSError(error_, @"alternate method %@ not found for class %@", NSStringFromSelector(altSel_), [self class]);
#else
SetNSError(error_, @"alternate method %@ not found for class %@", NSStringFromSelector(altSel_), [self className]);
#endif
return NO;
}
class_addMethod(self,
origSel_,
class_getMethodImplementation(self, origSel_),
method_getTypeEncoding(origMethod));
class_addMethod(self,
altSel_,
class_getMethodImplementation(self, altSel_),
method_getTypeEncoding(altMethod));
method_exchangeImplementations(class_getInstanceMethod(self, origSel_), class_getInstanceMethod(self, altSel_));
return YES;
#else
// Scan for non-inherited methods.
Method directOriginalMethod = NULL, directAlternateMethod = NULL;
void *iterator = NULL;
struct objc_method_list *mlist = class_nextMethodList(self, &iterator);
while (mlist) {
int method_index = 0;
for (; method_index < mlist->method_count; method_index++) {
if (mlist->method_list[method_index].method_name == origSel_) {
assert(!directOriginalMethod);
directOriginalMethod = &mlist->method_list[method_index];
}
if (mlist->method_list[method_index].method_name == altSel_) {
assert(!directAlternateMethod);
directAlternateMethod = &mlist->method_list[method_index];
}
}
mlist = class_nextMethodList(self, &iterator);
}
// If either method is inherited, copy it up to the target class to make it non-inherited.
if (!directOriginalMethod || !directAlternateMethod) {
Method inheritedOriginalMethod = NULL, inheritedAlternateMethod = NULL;
if (!directOriginalMethod) {
inheritedOriginalMethod = class_getInstanceMethod(self, origSel_);
if (!inheritedOriginalMethod) {
SetNSError(error_, @"original method %@ not found for class %@", NSStringFromSelector(origSel_), [self className]);
return NO;
}
}
if (!directAlternateMethod) {
inheritedAlternateMethod = class_getInstanceMethod(self, altSel_);
if (!inheritedAlternateMethod) {
SetNSError(error_, @"alternate method %@ not found for class %@", NSStringFromSelector(altSel_), [self className]);
return NO;
}
}
int hoisted_method_count = !directOriginalMethod && !directAlternateMethod ? 2 : 1;
struct objc_method_list *hoisted_method_list = malloc(sizeof(struct objc_method_list) + (sizeof(struct objc_method)*(hoisted_method_count-1)));
hoisted_method_list->obsolete = NULL; // soothe valgrind - apparently ObjC runtime accesses this value and it shows as uninitialized in valgrind
hoisted_method_list->method_count = hoisted_method_count;
Method hoisted_method = hoisted_method_list->method_list;
if (!directOriginalMethod) {
bcopy(inheritedOriginalMethod, hoisted_method, sizeof(struct objc_method));
directOriginalMethod = hoisted_method++;
}
if (!directAlternateMethod) {
bcopy(inheritedAlternateMethod, hoisted_method, sizeof(struct objc_method));
directAlternateMethod = hoisted_method;
}
class_addMethods(self, hoisted_method_list);
}
// Swizzle.
IMP temp = directOriginalMethod->method_imp;
directOriginalMethod->method_imp = directAlternateMethod->method_imp;
directAlternateMethod->method_imp = temp;
return YES;
#endif
}
+ (BOOL)jr_swizzleClassMethod:(SEL)origSel_ withClassMethod:(SEL)altSel_ error:(NSError**)error_ {
return [GetClass((id)self) jr_swizzleMethod:origSel_ withMethod:altSel_ error:error_];
}
@end
Example/Pods/JRSwizzle/README.markdown
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# JRSwizzle
## Description
JRSwizzle is source code package that offers a single, easy, correct+consistent interface for exchanging Objective-C method implementations ("method swizzling") across many versions of Mac OS X, iOS, Objective-C and runtime architectures.
More succinctly: *JRSwizzle wants to be your one-stop-shop for all your method swizzling needs.*
## Download
$ cd /path/to/top/of/your/project
$ git submodule add git://github.com/rentzsch/jrswizzle.git JRSwizzle
$ git submodule init && git submodule update
# OPTIONAL: Execute the following commands if you want to explicitly peg
# to a certain version. Otherwise `git submodule update` will keep you
# current with HEAD.
$ cd JRSwizzle
$ git checkout v1.0
## Reasons for Existence
* **Easy:** Just do this: `[SomeClass jr_swizzle:@selector(foo) withMethod:@selector(my_foo) error:&error];` Voila.
* **Correct:** There's a subtle interaction between method swizzling and method inheritance. Following in Kevin Ballard's footsteps, this package Does The Right Thing.
* **Compatible:** JRSwizzle should Just Work on any version of Mac OS X and iOS you care about. Here's the exhaustive compatibility list:
* Mac OS X v10.3/ppc (Ballard implementation)
* Mac OS X v10.4/ppc (Ballard implementation)
* Mac OS X v10.4/i386 (Ballard implementation)
* Mac OS X v10.5/ppc (method_exchangeImplementations+Ballard implementation)
* Mac OS X v10.5/i386 (method_exchangeImplementations+Ballard implementation)
* Mac OS X v10.5/ppc64 (method_exchangeImplementations+Ballard implementation)
* Mac OS X v10.5/x86_64 (method_exchangeImplementations+Ballard implementation)
* iOS 2.0+ (method_exchangeImplementations+Ballard implementation)
* **Robust:** All parameters are checked and JRSwizzle returns an optional `NSError` with high-quality diagnostics.
## Support
Please use [JRSwizzle's GitHub Issues tab](https://github.com/rentzsch/jrswizzle/issues) to [file bugs or feature requests](https://github.com/rentzsch/jrswizzle/issues/new).
To contribute, please fork this project, make+commit your changes and then send me a pull request.
## Comparison
There's at least four swizzling implementations floating around. Here's a comparison chart to help you make sense of how they relate to each other and why JRSwizzle exists.
<table>
<tr>
<th>Scenario</th>
<th>Swizzle Technology</th>
<th>Method Implementation</th>
<th>Correct Behavior</th>
<th>10.4</th>
<th>64-bit</th>
</tr>
<tr>
<td>1</td>
<td>Classic</td>
<td>Direct</td>
<td>YES</td>
<td>YES</td>
<td>NO</td>
</tr>
<tr>
<td>2</td>
<td>Classic</td>
<td>Inherited</td>
<td>NO</td>
<td>YES</td>
<td>NO</td>
</tr>
<tr>
<td>3</td>
<td>Ballard</td>
<td>Direct</td>
<td>YES</td>
<td>YES</td>
<td>NO</td>
</tr>
<tr>
<td>4</td>
<td>Ballard</td>
<td>Inherited</td>
<td>YES</td>
<td>YES</td>
<td>NO</td>
</tr>
<tr>
<td>5</td>
<td>Apple</td>
<td>Direct</td>
<td>YES</td>
<td>NO</td>
<td>YES</td>
</tr>
<tr>
<td>6</td>
<td>Apple</td>
<td>Inherited</td>
<td>NO</td>
<td>NO</td>
<td>YES</td>
</tr>
<tr>
<td>7</td>
<td>JRSwizzle</td>
<td>Direct</td>
<td>YES</td>
<td>YES</td>
<td>YES</td>
</tr>
<tr>
<td>8</td>
<td>JRSwizzle</td>
<td>Inherited</td>
<td>YES</td>
<td>YES</td>
<td>YES</td>
</tr>
</table>
* *Classic* is the canonical `MethodSwizzle()` implementation as described in [CocoaDev's MethodSwizzling page](http://www.cocoadev.com/index.pl?MethodSwizzling).
* *Ballard* is [Kevin Ballard's improved implementation](http://kevin.sb.org/2006/12/30/method-swizzling-reimplemented/) which solves the inherited method problem.
* *Apple* is 10.5's new `method_exchangeImplementations` API.
* *JRSwizzle* is this package.
## License
The source code is distributed under the nonviral [MIT License](http://opensource.org/licenses/mit-license.php). It's the simplest most permissive license available.
## Version History
* **v1.0:** Mar 2 2012
* [NEW] iOS Support. ([Anton Serebryakov](https://github.com/rentzsch/jrswizzle/commit/60ccb350a3577e55d00d3fdfee8b3c0390b8e852]))
* [NEW] Class method swizzling. ([outis](https://github.com/rentzsch/jrswizzle/pull/1))
* **v1.0d1:** May 31 2009
* [FIX] Soothe valgrind by nulling out `hoisted_method_list->obsolete`, which it apparently reads. ([Daniel Jalkut](http://github.com/rentzsch/jrswizzle/commit/2f677d063202b443ca7a1c46e8b67d67ea6fc88e))
* [FIX] Xcode 3.2 apparently now needs `ARCHS` set explicitly for 10.3 targets. ([rentzsch](http://github.com/rentzsch/jrswizzle/commit/4478faa40e4fdb322201da20f24d3996193ea48b))
* **v1.0d0:** Apr 09 2009
* Moved to github.
* **v1.0d0:** Dec 28 2007
* Under development.