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Added better debugging support 

Support for snp_label and better descriptions when printing LayoutConstraint's
This commit is contained in:
Robert Payne 2015-04-11 20:33:13 +12:00
parent d5e5cf1296
commit 08ff0472b2
4 changed files with 187 additions and 3 deletions
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9
Snap.xcodeproj/project.pbxproj
View File

@ -31,6 +31,7 @@
EECDB39B1AC0CBFF006BBC11 /* LayoutConstraint.swift in Sources */ = {isa = PBXBuildFile; fileRef = EECDB3651AC0C95C006BBC11 /* LayoutConstraint.swift */; };
EECDB39C1AC0CBFF006BBC11 /* View+Snap.swift in Sources */ = {isa = PBXBuildFile; fileRef = EECDB3671AC0C95C006BBC11 /* View+Snap.swift */; };
EECDB39D1AC0CC03006BBC11 /* Snap.h in Headers */ = {isa = PBXBuildFile; fileRef = EECDB3661AC0C95C006BBC11 /* Snap.h */; settings = {ATTRIBUTES = (Public, ); }; };
EEFCF32C1AD910B900A425FA /* Debugging.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEFCF32B1AD910B900A425FA /* Debugging.swift */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@ -62,6 +63,7 @@
EECDB36A1AC0C95C006BBC11 /* Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tests.swift; sourceTree = "<group>"; };
EECDB37A1AC0C9D4006BBC11 /* Snap.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Snap.framework; sourceTree = BUILT_PRODUCTS_DIR; };
EECDB3841AC0C9D4006BBC11 /* Snap OSX Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "Snap OSX Tests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
EEFCF32B1AD910B900A425FA /* Debugging.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Debugging.swift; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@ -104,7 +106,6 @@
isa = PBXGroup;
children = (
EECDB35D1AC0C95C006BBC11 /* Source */,
EECDB3681AC0C95C006BBC11 /* Tests */,
EE94F60C1AC0F113008767FF /* Frameworks */,
DDC9FD961981B4DD009612C7 /* Products */,
);
@ -142,7 +143,9 @@
EECDB3631AC0C95C006BBC11 /* EdgeInsets.swift */,
EECDB3651AC0C95C006BBC11 /* LayoutConstraint.swift */,
EECDB3671AC0C95C006BBC11 /* View+Snap.swift */,
EEFCF32B1AD910B900A425FA /* Debugging.swift */,
EECDB36B1AC0C967006BBC11 /* Supporting Files */,
EECDB3681AC0C95C006BBC11 /* Tests */,
);
path = Source;
sourceTree = "<group>";
@ -153,7 +156,8 @@
EECDB3691AC0C95C006BBC11 /* Info.plist */,
EECDB36A1AC0C95C006BBC11 /* Tests.swift */,
);
path = Tests;
name = Tests;
path = ../Tests;
sourceTree = "<group>";
};
EECDB36B1AC0C967006BBC11 /* Supporting Files */ = {
@ -338,6 +342,7 @@
buildActionMask = 2147483647;
files = (
EECDB36C1AC0C9A6006BBC11 /* Constraint.swift in Sources */,
EEFCF32C1AD910B900A425FA /* Debugging.swift in Sources */,
EECDB3701AC0C9A6006BBC11 /* ConstraintRelation.swift in Sources */,
EECDB3731AC0C9A6006BBC11 /* View+Snap.swift in Sources */,
EECDB3711AC0C9A6006BBC11 /* EdgeInsets.swift in Sources */,

175
Source/Debugging.swift Normal file
View File

@ -0,0 +1,175 @@
//
// Snap
//
// Copyright (c) 2011-2014 Masonry Team - https://github.com/Masonry
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS)
import UIKit
#else
import AppKit
#endif
/**
* View extension that exposes snp_label debugging api
*/
public extension View {
public var snp_label: String? {
get {
return objc_getAssociatedObject(self, &labelKey) as? String
}
set {
objc_setAssociatedObject(self, &labelKey, newValue, objc_AssociationPolicy(OBJC_ASSOCIATION_COPY_NONATOMIC))
}
}
}
/**
* LayoutConstraint extension that exposes snp_label debugging api
*/
public extension LayoutConstraint {
public var snp_label: String? {
get {
return objc_getAssociatedObject(self, &labelKey) as? String
}
set {
objc_setAssociatedObject(self, &labelKey, newValue, objc_AssociationPolicy(OBJC_ASSOCIATION_COPY_NONATOMIC))
}
}
override public var description: String {
var description = "<"
description += descriptionForObject(self)
description += " \(descriptionForObject(self.firstItem))"
if self.firstAttribute != .NotAnAttribute {
description += ".\(self.firstAttribute.snp_description)"
}
description += " \(self.relation.snp_description)"
if let secondItem: AnyObject = self.secondItem {
description += " \(descriptionForObject(secondItem))"
}
if self.secondAttribute != .NotAnAttribute {
description += ".\(self.secondAttribute.snp_description)"
}
if self.multiplier != 1.0 {
description += " * \(self.multiplier)"
}
if self.secondAttribute == .NotAnAttribute {
description += " \(self.constant)"
} else {
if self.constant > 0.0 {
description += " + \(self.constant)"
} else if self.constant < 0.0 {
description += " - \(CGFloat.abs(self.constant))"
}
}
if self.priority != 1000.0 {
description += " ^\(self.priority)"
}
description += ">"
return description
}
}
private var labelKey = ""
private func descriptionForObject(object: AnyObject) -> String {
let pointerDescription = NSString(format: "%p", [object])
if let object = object as? UIView {
return "<\(object.dynamicType):\(object.snp_label ?? pointerDescription)>"
} else if let object = object as? LayoutConstraint {
return "<\(object.dynamicType):\(object.snp_label ?? pointerDescription)>"
}
return "<\(object.dynamicType):\(pointerDescription)>"
}
private extension NSLayoutRelation {
private var snp_description: String {
switch self {
case .Equal: return "=="
case .GreaterThanOrEqual: return ">="
case .LessThanOrEqual: return "<="
}
}
}
private extension NSLayoutAttribute {
private var snp_description: String {
#if os(iOS)
switch self {
case .NotAnAttribute: return "notAnAttribute"
case .Top: return "top"
case .Left: return "left"
case .Bottom: return "bottom"
case .Right: return "right"
case .Leading: return "leading"
case .Trailing: return "trailing"
case .Width: return "width"
case .Height: return "height"
case .CenterX: return "centerX"
case .CenterY: return "centerY"
case .Baseline: return "baseline"
case .FirstBaseline: return "firstBaseline"
case .TopMargin: return "topMargin"
case .LeftMargin: return "leftMargin"
case .BottomMargin: return "bottomMargin"
case .RightMargin: return "rightMargin"
case .LeadingMargin: return "leadingMargin"
case .TrailingMargin: return "trailingMargin"
case .CenterXWithinMargins: return "centerXWithinMargins"
case .CenterYWithinMargins: return "centerYWithinMargins"
}
#else
switch self {
case .NotAnAttribute: return "notAnAttribute"
case .Top: return "top"
case .Left: return "left"
case .Bottom: return "bottom"
case .Right: return "right"
case .Leading: return "leading"
case .Trailing: return "trailing"
case .Width: return "width"
case .Height: return "height"
case .CenterX: return "centerX"
case .CenterY: return "centerY"
case .Baseline: return "baseline"
}
#endif
}
}

1
Source/LayoutConstraint.swift
View File

@ -58,3 +58,4 @@ public func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool {
}
return true
}

3
Source/View+Snap.swift
View File

@ -29,6 +29,9 @@ import AppKit
public typealias View = NSView
#endif
/**
* View extension that exposes primary api
*/
public extension View {
// normal