Delete unused code

This code appears to be unused and has not been kept in sync with style
spec changes.

12 files changed, 0 insertions, 886 deletions

diff --git a/gyp/platform-ios.gypi b/gyp/platform-ios.gypi
index a8a827af65..de73037eb5 100644
--- a/gyp/platform-ios.gypi
+++ b/gyp/platform-ios.gypi
@@ -18,16 +18,6 @@
         '../platform/darwin/reachability.m',
         '../include/mbgl/ios/MGLMapView.h',
         '../platform/ios/MGLMapView.mm',
-        '../include/mbgl/ios/MGLStyleFunctionValue.h',
-        '../platform/ios/MGLStyleFunctionValue.m',
-        '../include/mbgl/ios/MGLTypes.h',
-        '../platform/ios/MGLTypes.m',
-        '../include/mbgl/ios/NSArray+MGLAdditions.h',
-        '../platform/ios/NSArray+MGLAdditions.m',
-        '../include/mbgl/ios/NSDictionary+MGLAdditions.h',
-        '../platform/ios/NSDictionary+MGLAdditions.m',
-        '../include/mbgl/ios/UIColor+MGLAdditions.h',
-        '../platform/ios/UIColor+MGLAdditions.m',
       ],
 
       'variables': {
diff --git a/include/mbgl/ios/MGLStyleFunctionValue.h b/include/mbgl/ios/MGLStyleFunctionValue.h
deleted file mode 100644
index 27a867548b..0000000000
--- a/include/mbgl/ios/MGLStyleFunctionValue.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#import <UIKit/UIKit.h>
-
-@interface MGLStyleFunctionValue : NSObject
-
-+ (instancetype)linearFunctionWithBaseZoomLevel:(CGFloat)zBase
-                                   initialValue:(CGFloat)val
-                                          slope:(CGFloat)slope
-                                   minimumValue:(CGFloat)min
-                                   maximumValue:(CGFloat)max;
-
-+ (instancetype)exponentialFunctionWithBaseZoomLevel:(CGFloat)zBase
-                                        initialValue:(CGFloat)val
-                                               slope:(CGFloat)slope
-                                        minimumValue:(CGFloat)min
-                                        maximumValue:(CGFloat)max;
-
-+ (instancetype)minimumZoomLevelFunction:(CGFloat)minimumZoom;
-
-+ (instancetype)maximumZoomLevelFunction:(CGFloat)maximumZoom;
-
-+ (instancetype)stopsFunctionWithZoomLevelsAndValues:(NSNumber *)firstZoom, ... NS_REQUIRES_NIL_TERMINATION;
-
-@end
diff --git a/include/mbgl/ios/MGLTypes.h b/include/mbgl/ios/MGLTypes.h
deleted file mode 100644
index 7a17445770..0000000000
--- a/include/mbgl/ios/MGLTypes.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#import <Foundation/Foundation.h>
-
-// style property value types
-//
-extern NSString *const MGLStyleValueTypeBoolean;
-extern NSString *const MGLStyleValueTypeNumber;
-extern NSString *const MGLStyleValueTypeNumberPair;
-extern NSString *const MGLStyleValueTypeColor;
-extern NSString *const MGLStyleValueTypeString;
-
-// style property function types
-//
-extern NSString *const MGLStyleValueTypeFunctionMinimumZoom;
-extern NSString *const MGLStyleValueTypeFunctionMaximumZoom;
-extern NSString *const MGLStyleValueTypeFunctionLinear;
-extern NSString *const MGLStyleValueTypeFunctionExponential;
-extern NSString *const MGLStyleValueTypeFunctionStops;
diff --git a/include/mbgl/ios/NSArray+MGLAdditions.h b/include/mbgl/ios/NSArray+MGLAdditions.h
deleted file mode 100644
index 4b87614330..0000000000
--- a/include/mbgl/ios/NSArray+MGLAdditions.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#import <Foundation/Foundation.h>
-
-@interface NSArray (MGLAdditions)
-
-- (NSMutableArray *)deepMutableCopy;
-
-@end
diff --git a/include/mbgl/ios/NSDictionary+MGLAdditions.h b/include/mbgl/ios/NSDictionary+MGLAdditions.h
deleted file mode 100644
index 04c3396d41..0000000000
--- a/include/mbgl/ios/NSDictionary+MGLAdditions.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#import <Foundation/Foundation.h>
-
-@interface NSDictionary (MGLAdditions)
-
-- (NSMutableDictionary *)deepMutableCopy;
-
-@end
diff --git a/include/mbgl/ios/UIColor+MGLAdditions.h b/include/mbgl/ios/UIColor+MGLAdditions.h
deleted file mode 100644
index 3758c04eef..0000000000
--- a/include/mbgl/ios/UIColor+MGLAdditions.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#import <UIKit/UIKit.h>
-
-@interface UIColor (MGLAdditions)
-
-+ (UIColor *)colorWithRGBAString:(NSString *)rgbaString;
-- (NSString *)rgbaStringFromColor;
-
-+ (UIColor *)colorWithHexString:(NSString *)hexString;
-- (NSString *)hexStringFromColor;
-
-@end
diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index 0d530ca1cf..e18c5557d9 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -14,14 +14,6 @@
 #include <mbgl/storage/network_status.hpp>
 #include <mbgl/util/geo.hpp>
 
-#import "MGLTypes.h"
-#import "MGLStyleFunctionValue.h"
-
-#import "UIColor+MGLAdditions.h"
-#import "NSArray+MGLAdditions.h"
-#import "NSDictionary+MGLAdditions.h"
-
-
 // Returns the path to the default cache database on this system.
 const std::string &defaultCacheDatabase() {
     static const std::string path = []() -> std::string {
@@ -39,17 +31,6 @@ const std::string &defaultCacheDatabase() {
 
 static dispatch_once_t loadGLExtensions;
 
-extern NSString *const MGLStyleKeyGeneric;
-extern NSString *const MGLStyleKeyFill;
-extern NSString *const MGLStyleKeyLine;
-extern NSString *const MGLStyleKeyIcon;
-extern NSString *const MGLStyleKeyText;
-extern NSString *const MGLStyleKeyRaster;
-extern NSString *const MGLStyleKeyComposite;
-extern NSString *const MGLStyleKeyBackground;
-
-extern NSString *const MGLStyleValueFunctionAllowed;
-
 NSTimeInterval const MGLAnimationDuration = 0.3;
 
 #pragma mark - Private -
@@ -67,7 +48,6 @@ NSTimeInterval const MGLAnimationDuration = 0.3;
 @property (nonatomic) UIRotationGestureRecognizer *rotate;
 @property (nonatomic) UILongPressGestureRecognizer *quickZoom;
 @property (nonatomic) NSMutableArray *bundledStyleNames;
-@property (nonatomic, readonly) NSDictionary *allowedStyleTypes;
 @property (nonatomic) CGPoint centerPoint;
 @property (nonatomic) CGFloat scale;
 @property (nonatomic) CGFloat angle;
@@ -77,22 +57,6 @@ NSTimeInterval const MGLAnimationDuration = 0.3;
 
 @end
 
-@interface MGLStyleFunctionValue (MGLMapViewFriend)
-
-@property (nonatomic) NSString *functionType;
-@property (nonatomic) NSDictionary *stops;
-@property (nonatomic) CGFloat zBase;
-@property (nonatomic) CGFloat val;
-@property (nonatomic) CGFloat slope;
-@property (nonatomic) CGFloat min;
-@property (nonatomic) CGFloat max;
-@property (nonatomic) CGFloat minimumZoom;
-@property (nonatomic) CGFloat maximumZoom;
-
-- (id)rawStyle;
-
-@end
-
 @implementation MGLMapView
 
 @synthesize bundledStyleNames=_bundledStyleNames;
@@ -976,47 +940,6 @@ mbgl::DefaultFileSource *mbglFileSource = nullptr;
     }
 }
 
-- (NSArray *)getStyleOrderedLayerNames
-{
-    return [[self getRawStyle] valueForKeyPath:@"layers.id"];
-}
-
-- (void)setStyleOrderedLayerNames:(NSArray *)orderedLayerNames
-{
-    NSMutableDictionary *style = [[self getRawStyle] deepMutableCopy];
-    NSArray *oldLayers = style[@"layers"];
-    NSMutableArray *newLayers = [NSMutableArray array];
-
-    if ([orderedLayerNames count] != [[oldLayers valueForKeyPath:@"id"] count])
-    {
-        [NSException raise:@"invalid layer count"
-                    format:@"new layer count (%lu) should equal existing layer count (%lu)",
-                        (unsigned long)[orderedLayerNames count],
-                        (unsigned long)[[oldLayers valueForKeyPath:@"id"] count]];
-    }
-    else
-    {
-        for (NSString *newLayerName in orderedLayerNames)
-        {
-            if ( ! [[oldLayers valueForKeyPath:@"id"] containsObject:newLayerName])
-            {
-                [NSException raise:@"invalid layer name"
-                            format:@"layer name %@ unknown",
-                                newLayerName];
-            }
-            else
-            {
-                NSDictionary *newLayer = [oldLayers objectAtIndex:[[oldLayers valueForKeyPath:@"id"] indexOfObject:newLayerName]];
-                [newLayers addObject:newLayer];
-            }
-        }
-    }
-
-    [style setValue:newLayers forKey:@"layers"];
-
-    [self setRawStyle:style];
-}
-
 - (NSArray *)getAppliedStyleClasses
 {
     NSMutableArray *returnArray = [NSMutableArray array];
@@ -1049,339 +972,6 @@ mbgl::DefaultFileSource *mbglFileSource = nullptr;
     mbglMap->setClasses(newAppliedClasses);
 }
 
-- (NSString *)getKeyTypeForLayer:(NSString *)layerName
-{
-    NSDictionary *style = [self getRawStyle];
-
-    NSString *bucketType;
-
-    if ([layerName isEqualToString:@"background"])
-    {
-        bucketType = @"background";
-    }
-    else
-    {
-        for (NSDictionary *layer in style[@"structure"])
-        {
-            if ([layer[@"name"] isEqualToString:layerName])
-            {
-                bucketType = style[@"buckets"][layer[@"bucket"]][@"type"];
-                break;
-            }
-        }
-    }
-
-    NSString *keyType;
-
-    if ([bucketType isEqualToString:@"fill"])
-    {
-        keyType = MGLStyleKeyFill;
-    }
-    else if ([bucketType isEqualToString:@"line"])
-    {
-        keyType = MGLStyleKeyLine;
-    }
-    else if ([bucketType isEqualToString:@"point"])
-    {
-        keyType = MGLStyleKeyIcon;
-    }
-    else if ([bucketType isEqualToString:@"text"])
-    {
-        keyType = MGLStyleKeyText;
-    }
-    else if ([bucketType isEqualToString:@"raster"])
-    {
-        keyType = MGLStyleKeyRaster;
-    }
-    else if ([bucketType isEqualToString:@"composite"])
-    {
-        keyType = MGLStyleKeyComposite;
-    }
-    else if ([bucketType isEqualToString:@"background"])
-    {
-        keyType = MGLStyleKeyBackground;
-    }
-    else
-    {
-        [NSException raise:@"invalid bucket type"
-                    format:@"bucket type %@ unknown",
-                        bucketType];
-    }
-
-    return keyType;
-}
-
-- (NSDictionary *)getStyleDescriptionForLayer:(NSString *)layerName inClass:(NSString *)className
-{
-    NSDictionary *style = [self getRawStyle];
-
-    if ( ! [[style valueForKeyPath:@"classes.name"] containsObject:className])
-    {
-        [NSException raise:@"invalid class name"
-                    format:@"class name %@ unknown",
-                        className];
-    }
-
-    NSUInteger classNumber = [[style valueForKeyPath:@"classes.name"] indexOfObject:className];
-
-    if ( ! [[style[@"classes"][classNumber][@"layers"] allKeys] containsObject:layerName])
-    {
-        // layer specified in structure, but not styled
-        //
-        return nil;
-    }
-
-    NSDictionary *layerStyle = style[@"classes"][classNumber][@"layers"][layerName];
-
-    NSMutableDictionary *styleDescription = [NSMutableDictionary dictionary];
-
-    for (NSString *keyName in [layerStyle allKeys])
-    {
-        id value = layerStyle[keyName];
-
-        while ([[style[@"constants"] allKeys] containsObject:value])
-        {
-            value = style[@"constants"][value];
-        }
-
-        if ([[self.allowedStyleTypes[MGLStyleKeyGeneric] allKeys] containsObject:keyName])
-        {
-            [styleDescription setValue:[self typedPropertyForKeyName:keyName
-                                                              ofType:MGLStyleKeyGeneric
-                                                           withValue:value]
-                                forKey:keyName];
-        }
-
-        NSString *keyType = [self getKeyTypeForLayer:layerName];
-
-        if ([[self.allowedStyleTypes[keyType] allKeys] containsObject:keyName])
-        {
-            [styleDescription setValue:[self typedPropertyForKeyName:keyName
-                                                              ofType:keyType
-                                                           withValue:value]
-                                forKey:keyName];
-        }
-    }
-
-    return styleDescription;
-}
-
-- (NSDictionary *)typedPropertyForKeyName:(NSString *)keyName ofType:(NSString *)keyType withValue:(id)value
-{
-    if ( ! [[self.allowedStyleTypes[keyType] allKeys] containsObject:keyName])
-    {
-        [NSException raise:@"invalid property name"
-                    format:@"property name %@ unknown",
-                        keyName];
-    }
-
-    NSArray *typeInfo = self.allowedStyleTypes[keyType][keyName];
-
-    if ([value isKindOfClass:[NSArray class]] && ! [typeInfo containsObject:MGLStyleValueTypeColor])
-    {
-        if ([typeInfo containsObject:MGLStyleValueFunctionAllowed])
-        {
-            if ([[(NSArray *)value firstObject] isKindOfClass:[NSString class]])
-            {
-                NSString *functionType;
-
-                if ([[(NSArray *)value firstObject] isEqualToString:@"linear"])
-                {
-                    functionType = MGLStyleValueTypeFunctionLinear;
-                }
-                else if ([[(NSArray *)value firstObject] isEqualToString:@"stops"])
-                {
-                    functionType = MGLStyleValueTypeFunctionStops;
-                }
-                else if ([[(NSArray *)value firstObject] isEqualToString:@"exponential"])
-                {
-                    functionType = MGLStyleValueTypeFunctionExponential;
-                }
-                else if ([[(NSArray *)value firstObject] isEqualToString:@"min"])
-                {
-                    functionType = MGLStyleValueTypeFunctionMinimumZoom;
-                }
-                else if ([[(NSArray *)value firstObject] isEqualToString:@"max"])
-                {
-                    functionType = MGLStyleValueTypeFunctionMaximumZoom;
-                }
-
-                if (functionType)
-                {
-                    return @{ @"type"  : functionType,
-                              @"value" : value };
-                }
-            }
-        }
-        else if ([typeInfo containsObject:MGLStyleValueTypeNumberPair])
-        {
-            return @{ @"type"  : MGLStyleValueTypeNumberPair,
-                      @"value" : value };
-        }
-    }
-    else if ([typeInfo containsObject:MGLStyleValueTypeNumber])
-    {
-        return @{ @"type"  : MGLStyleValueTypeNumber,
-                  @"value" : value };
-    }
-    else if ([typeInfo containsObject:MGLStyleValueTypeBoolean])
-    {
-        return @{ @"type"  : MGLStyleValueTypeBoolean,
-                  @"value" : @([(NSString *)value boolValue]) };
-    }
-    else if ([typeInfo containsObject:MGLStyleValueTypeString])
-    {
-        return @{ @"type"  : MGLStyleValueTypeString,
-                  @"value" : value };
-    }
-    else if ([typeInfo containsObject:MGLStyleValueTypeColor])
-    {
-        UIColor *color;
-
-        if ([(NSString *)value hasPrefix:@"#"])
-        {
-            color = [UIColor colorWithHexString:value];
-        }
-        else if ([(NSString *)value hasPrefix:@"rgb"])
-        {
-            color = [UIColor colorWithRGBAString:value];
-        }
-        else if ([(NSString *)value hasPrefix:@"hsl"])
-        {
-            [NSException raise:@"invalid color format"
-                        format:@"HSL color format not yet supported natively"];
-        }
-        else if ([value isKindOfClass:[NSArray class]] && [(NSArray *)value count] == 4)
-        {
-            color = [UIColor colorWithRed:[value[0] floatValue]
-                                    green:[value[1] floatValue]
-                                     blue:[value[2] floatValue]
-                                    alpha:[value[3] floatValue]];
-        }
-        else if ([[UIColor class] respondsToSelector:NSSelectorFromString([NSString stringWithFormat:@"%@Color", [(NSString *)value lowercaseString]])])
-        {
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-
-            color = [[UIColor class] performSelector:NSSelectorFromString([NSString stringWithFormat:@"%@Color", [(NSString *)value lowercaseString]])];
-
-#pragma clang diagnostic pop
-        }
-
-        return @{ @"type"  : MGLStyleValueTypeColor,
-                  @"value" : color };
-    }
-
-    return nil;
-}
-
-- (void)setStyleDescription:(NSDictionary *)styleDescription forLayer:(NSString *)layerName inClass:(NSString *)className
-{
-#pragma unused(className)
-
-    NSMutableDictionary *convertedStyle = [NSMutableDictionary dictionary];
-
-    for (NSString *key in [styleDescription allKeys])
-    {
-        NSArray *styleParameters = nil;
-
-        if ([[self.allowedStyleTypes[MGLStyleKeyGeneric] allKeys] containsObject:key])
-        {
-            styleParameters = self.allowedStyleTypes[MGLStyleKeyGeneric][key];
-        }
-        else
-        {
-            NSString *keyType = [self getKeyTypeForLayer:layerName];
-
-            if ([[self.allowedStyleTypes[keyType] allKeys] containsObject:key])
-            {
-                styleParameters = self.allowedStyleTypes[keyType][key];
-            }
-        }
-
-        if (styleParameters)
-        {
-            if ([styleDescription[key][@"value"] isKindOfClass:[MGLStyleFunctionValue class]])
-            {
-                convertedStyle[key] = [(MGLStyleFunctionValue *)styleDescription[key][@"value"] rawStyle];
-            }
-            else if ([styleParameters containsObject:styleDescription[key][@"type"]])
-            {
-                NSString *valueType = styleDescription[key][@"type"];
-
-                if ([valueType isEqualToString:MGLStyleValueTypeColor])
-                {
-                    convertedStyle[key] = [@"#" stringByAppendingString:[(UIColor *)styleDescription[key][@"value"] hexStringFromColor]];
-                }
-                else
-                {
-                    // the rest (bool/number/pair/string) are already JSON-convertible types
-                    //
-                    convertedStyle[key] = styleDescription[key][@"value"];
-                }
-            }
-        }
-        else
-        {
-            [NSException raise:@"invalid style description format"
-                        format:@"unable to parse key '%@'",
-                            key];
-        }
-    }
-
-//    NSMutableDictionary *style = [[self getRawStyle] deepMutableCopy];
-//
-//    NSUInteger classIndex = [[[self getAllStyleClasses] valueForKey:@"name"] indexOfObject:className];
-//
-//    style[@"classes"][classIndex][@"layers"][layerName] = convertedStyle;
-//
-//    [self setRawStyle:style];
-}
-
-- (NSDictionary *)allowedStyleTypes
-{
-    static NSDictionary *MGLStyleAllowedTypes = @{
-        MGLStyleKeyGeneric : @{
-            @"enabled" : @[ MGLStyleValueTypeBoolean, MGLStyleValueFunctionAllowed ],
-            @"translate" : @[ MGLStyleValueTypeNumberPair, MGLStyleValueFunctionAllowed ],
-            @"translate-anchor" : @[ MGLStyleValueTypeString, MGLStyleValueFunctionAllowed ],
-            @"opacity" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"prerender" : @[ MGLStyleValueTypeBoolean ],
-            @"prerender-buffer" : MGLStyleValueTypeNumber,
-            @"prerender-size" : @[ MGLStyleValueTypeNumber ],
-            @"prerender-blur" : @[ MGLStyleValueTypeNumber ] },
-        MGLStyleKeyFill : @{
-            @"color" : @[ MGLStyleValueTypeColor ],
-            @"stroke" : @[ MGLStyleValueTypeColor ],
-            @"antialias" : @[ MGLStyleValueTypeBoolean ],
-            @"image" : @[ MGLStyleValueTypeString ] },
-        MGLStyleKeyLine : @{
-            @"color" : @[ MGLStyleValueTypeColor ],
-            @"width" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"dasharray" : @[ MGLStyleValueTypeNumberPair, MGLStyleValueFunctionAllowed ] },
-        MGLStyleKeyIcon : @{
-            @"color" : @[ MGLStyleValueTypeColor ],
-            @"image" : @[ MGLStyleValueTypeString ],
-            @"size" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"radius" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed],
-            @"blur" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ] },
-        MGLStyleKeyText : @{
-            @"color" : @[ MGLStyleValueTypeColor ],
-            @"stroke" : @[ MGLStyleValueTypeColor ],
-            @"strokeWidth" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"strokeBlur" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"size" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"rotate" : @[ MGLStyleValueTypeNumber, MGLStyleValueFunctionAllowed ],
-            @"alwaysVisible" : @[ MGLStyleValueTypeBoolean ] },
-        MGLStyleKeyRaster : @{},
-        MGLStyleKeyComposite : @{},
-        MGLStyleKeyBackground : @{
-            @"color" : @[ MGLStyleValueTypeColor ] }
-        };
-
-    return MGLStyleAllowedTypes;
-}
-
 #pragma mark - Utility -
 
 + (CGFloat)degreesToRadians:(CGFloat)degrees
diff --git a/platform/ios/MGLStyleFunctionValue.m b/platform/ios/MGLStyleFunctionValue.m
deleted file mode 100644
index a319114eef..0000000000
--- a/platform/ios/MGLStyleFunctionValue.m
+++ /dev/null
@@ -1,190 +0,0 @@
-#import "MGLStyleFunctionValue.h"
-
-#import "MGLTypes.h"
-
-@interface MGLStyleFunctionValue ()
-
-@property (nonatomic) NSString *functionType;
-@property (nonatomic) NSDictionary *stops;
-@property (nonatomic) CGFloat zBase;
-@property (nonatomic) CGFloat val;
-@property (nonatomic) CGFloat slope;
-@property (nonatomic) CGFloat min;
-@property (nonatomic) CGFloat max;
-@property (nonatomic) CGFloat minimumZoom;
-@property (nonatomic) CGFloat maximumZoom;
-
-- (NSDictionary *)rawStyle;
-
-@end
-
-@implementation MGLStyleFunctionValue
-
-- (id)initWithFunctionType:(NSString *)functionType
-                     stops:(NSDictionary *)stops
-                     zBase:(CGFloat)zBase
-                       val:(CGFloat)val
-                     slope:(CGFloat)slope
-                       min:(CGFloat)min
-                       max:(CGFloat)max
-               minimumZoom:(CGFloat)minimumZoom
-               maximumZoom:(CGFloat)maximumZoom
-{
-    self = [super init];
-
-    if (self)
-    {
-        _functionType = functionType;
-        _stops = stops;
-        _zBase = zBase;
-        _val = val;
-        _slope = slope;
-        _min = min;
-        _max = max;
-        _minimumZoom = minimumZoom;
-        _maximumZoom = maximumZoom;
-    }
-
-    return self;
-}
-
-- (id)rawStyle
-{
-    if ([self.functionType isEqualToString:MGLStyleValueTypeFunctionMinimumZoom])
-    {
-        return @[ @"min", @(self.minimumZoom) ];
-    }
-    else if ([self.functionType isEqualToString:MGLStyleValueTypeFunctionMaximumZoom])
-    {
-        return @[ @"max", @(self.maximumZoom) ];
-    }
-    else if ([self.functionType isEqualToString:MGLStyleValueTypeFunctionLinear])
-    {
-        return @[ @"linear", @(self.zBase), @(self.val), @(self.slope), @(self.min), @(self.max) ];
-    }
-    else if ([self.functionType isEqualToString:MGLStyleValueTypeFunctionExponential])
-    {
-        return @[ @"exponential", @(self.zBase), @(self.val), @(self.slope), @(self.min), @(self.max) ];
-    }
-    else if ([self.functionType isEqualToString:MGLStyleValueTypeFunctionStops])
-    {
-        NSMutableArray *returnArray = [NSMutableArray array];
-
-        for (NSNumber *z in [self.stops allKeys])
-        {
-            [returnArray addObject:@{ @"z" : z, @"val" : self.stops[z] }];
-        }
-
-        [returnArray insertObject:@"stops" atIndex:0];
-
-        return returnArray;
-    }
-
-    return nil;
-}
-
-+ (instancetype)stopsFunctionWithZoomLevelsAndValues:(NSNumber *)firstZoom, ...
-{
-    NSMutableArray *numbersArray = [NSMutableArray array];
-
-    va_list args;
-    va_start(args, firstZoom);
-
-    for (NSNumber *arg = firstZoom; arg != nil; arg = va_arg(args, NSNumber *))
-    {
-        [numbersArray addObject:arg];
-    }
-
-    va_end(args);
-
-    NSAssert([numbersArray count] % 2 == 0, @"invalid number of arguments");
-
-    NSMutableDictionary *stops = [NSMutableDictionary dictionary];
-
-    for (NSUInteger i = 0; i < [numbersArray count]; i = i + 2)
-    {
-        stops[numbersArray[i]] = stops[numbersArray[i + 1]];
-    }
-
-    return [[self alloc] initWithFunctionType:MGLStyleValueTypeFunctionStops
-                                        stops:stops
-                                        zBase:0
-                                          val:0
-                                        slope:0
-                                          min:0
-                                          max:0
-                                  minimumZoom:0
-                                  maximumZoom:0];
-}
-
-+ (instancetype)linearFunctionWithBaseZoomLevel:(CGFloat)zBase
-                                   initialValue:(CGFloat)val
-                                          slope:(CGFloat)slope
-                                   minimumValue:(CGFloat)min
-                                   maximumValue:(CGFloat)max
-{
-    NSAssert(zBase >= 0 && zBase <= 18, @"invalid base zoom level");
-    NSAssert(min < max, @"minimum value must be less than maximum value");
-
-    return [[self alloc] initWithFunctionType:MGLStyleValueTypeFunctionLinear
-                                        stops:nil
-                                        zBase:zBase
-                                          val:val
-                                        slope:slope
-                                          min:min
-                                          max:max
-                                  minimumZoom:0
-                                  maximumZoom:0];
-}
-
-+ (instancetype)exponentialFunctionWithBaseZoomLevel:(CGFloat)zBase
-                                        initialValue:(CGFloat)val
-                                               slope:(CGFloat)slope
-                                        minimumValue:(CGFloat)min
-                                        maximumValue:(CGFloat)max
-{
-    NSAssert(zBase >= 0 && zBase <= 18, @"invalid base zoom level");
-    NSAssert(min < max, @"minimum value must be less than maximum value");
-
-    return [[self alloc] initWithFunctionType:MGLStyleValueTypeFunctionExponential
-                                        stops:nil
-                                        zBase:zBase
-                                          val:val
-                                        slope:slope
-                                          min:min
-                                          max:max
-                                  minimumZoom:0
-                                  maximumZoom:0];
-}
-
-+ (instancetype)minimumZoomLevelFunction:(CGFloat)minimumZoom
-{
-    NSAssert(minimumZoom >= 0 && minimumZoom <= 18, @"invalid minimum zoom value");
-
-    return [[self alloc] initWithFunctionType:MGLStyleValueTypeFunctionMinimumZoom
-                                        stops:nil
-                                        zBase:0
-                                          val:0
-                                        slope:0
-                                          min:0
-                                          max:0
-                                  minimumZoom:minimumZoom
-                                  maximumZoom:0];
-}
-
-+ (instancetype)maximumZoomLevelFunction:(CGFloat)maximumZoom
-{
-    NSAssert(maximumZoom >= 0 && maximumZoom <= 18, @"invalid maximum zoom value");
-
-    return [[self alloc] initWithFunctionType:MGLStyleValueTypeFunctionMaximumZoom
-                                        stops:nil
-                                        zBase:0
-                                          val:0
-                                        slope:0
-                                          min:0
-                                          max:0
-                                  minimumZoom:0
-                                  maximumZoom:maximumZoom];
-}
-
-@end
diff --git a/platform/ios/MGLTypes.m b/platform/ios/MGLTypes.m
deleted file mode 100644
index 2928bc2f4c..0000000000
--- a/platform/ios/MGLTypes.m
+++ /dev/null
@@ -1,24 +0,0 @@
-#import "MGLTypes.h"
-
-NSString *const MGLStyleKeyGeneric    = @"MGLStyleKeyGeneric";
-NSString *const MGLStyleKeyFill       = @"MGLStyleKeyFill";
-NSString *const MGLStyleKeyLine       = @"MGLStyleKeyLine";
-NSString *const MGLStyleKeyIcon       = @"MGLStyleKeyIcon";
-NSString *const MGLStyleKeyText       = @"MGLStyleKeyText";
-NSString *const MGLStyleKeyRaster     = @"MGLStyleKeyRaster";
-NSString *const MGLStyleKeyComposite  = @"MGLStyleKeyComposite";
-NSString *const MGLStyleKeyBackground = @"MGLStyleKeyBackground";
-
-NSString *const MGLStyleValueTypeBoolean    = @"MGLStyleValueTypeBoolean";
-NSString *const MGLStyleValueTypeNumber     = @"MGLStyleValueTypeNumber";
-NSString *const MGLStyleValueTypeNumberPair = @"MGLStyleValueTypeNumberPair";
-NSString *const MGLStyleValueTypeColor      = @"MGLStyleValueTypeColor";
-NSString *const MGLStyleValueTypeString     = @"MGLStyleValueTypeString";
-
-NSString *const MGLStyleValueFunctionAllowed = @"MGLStyleValueFunctionAllowed";
-
-NSString *const MGLStyleValueTypeFunctionMinimumZoom = @"MGLStyleValueTypeFunctionMinimumZoom";
-NSString *const MGLStyleValueTypeFunctionMaximumZoom = @"MGLStyleValueTypeFunctionMaximumZoom";
-NSString *const MGLStyleValueTypeFunctionLinear      = @"MGLStyleValueTypeFunctionLinear";
-NSString *const MGLStyleValueTypeFunctionExponential = @"MGLStyleValueTypeFunctionExponential";
-NSString *const MGLStyleValueTypeFunctionStops       = @"MGLStyleValueTypeFunctionStops";
diff --git a/platform/ios/NSArray+MGLAdditions.m b/platform/ios/NSArray+MGLAdditions.m
deleted file mode 100644
index 2bac42ce0b..0000000000
--- a/platform/ios/NSArray+MGLAdditions.m
+++ /dev/null
@@ -1,10 +0,0 @@
-#import "NSArray+MGLAdditions.h"
-
-@implementation NSArray (MGLAdditions)
-
-- (NSMutableArray *)deepMutableCopy
-{
-    return (NSMutableArray *)CFBridgingRelease(CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (CFArrayRef)self, kCFPropertyListMutableContainersAndLeaves));
-}
-
-@end
diff --git a/platform/ios/NSDictionary+MGLAdditions.m b/platform/ios/NSDictionary+MGLAdditions.m
deleted file mode 100644
index 3228d56533..0000000000
--- a/platform/ios/NSDictionary+MGLAdditions.m
+++ /dev/null
@@ -1,10 +0,0 @@
-#import "NSDictionary+MGLAdditions.h"
-
-@implementation NSDictionary (MGLAdditions)
-
-- (NSMutableDictionary *)deepMutableCopy
-{
-    return (NSMutableDictionary *)CFBridgingRelease(CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (CFDictionaryRef)self, kCFPropertyListMutableContainersAndLeaves));
-}
-
-@end
diff --git a/platform/ios/UIColor+MGLAdditions.m b/platform/ios/UIColor+MGLAdditions.m
deleted file mode 100644
index ae40735d15..0000000000
--- a/platform/ios/UIColor+MGLAdditions.m
+++ /dev/null
@@ -1,167 +0,0 @@
-#import "UIColor+MGLAdditions.h"
-
-/* Portions based on Erica Sadun's uicolor-utilities
-   https://github.com/erica/uicolor-utilities */
-
-@interface UIColor (MGLAdditionsPrivate)
-
-+ (UIColor *)colorWithRGBHex:(UInt32)hex;
-- (CGColorSpaceModel)colorSpaceModel;
-- (BOOL)canProvideRGBComponents;
-- (BOOL)red:(CGFloat *)red green:(CGFloat *)green blue:(CGFloat *)blue alpha:(CGFloat *)alpha;
-- (UInt32)rgbHex;
-
-@end
-
-@implementation UIColor (MGLAdditions)
-
-+ (UIColor *)colorWithRGBAString:(NSString *)rgbaString
-{
-    UIColor *color;
-
-    NSString *numberString = [rgbaString   stringByReplacingOccurrencesOfString:@"rgba("
-                                                                     withString:@""];
-              numberString = [numberString stringByReplacingOccurrencesOfString:@"rgb("
-                                                                     withString:@""];
-              numberString = [numberString stringByReplacingOccurrencesOfString:@")"
-                                                                     withString:@""];
-
-    NSArray *numbers = [numberString componentsSeparatedByString:@","];
-
-    if ([rgbaString hasPrefix:@"rgb("] && [numbers count] == 3)
-    {
-        color = [UIColor colorWithRed:[numbers[0] floatValue] / 255
-                                green:[numbers[1] floatValue] / 255
-                                 blue:[numbers[2] floatValue] / 255
-                                alpha:1.0];
-    }
-    else if ([rgbaString hasPrefix:@"rgba("] && [numbers count] == 4)
-    {
-        color = [UIColor colorWithRed:[numbers[0] floatValue] / 255
-                                green:[numbers[1] floatValue] / 255
-                                 blue:[numbers[2] floatValue] / 255
-                                alpha:[numbers[3] floatValue]];
-    }
-
-    return color;
-}
-
-- (NSString *)rgbaStringFromColor
-{
-    CGFloat r,g,b,a;
-
-    [self getRed:&r green:&g blue:&b alpha:&a];
-
-    r *= 255;
-    g *= 255;
-    b *= 255;
-    a *= 255;
-
-    return [NSString stringWithFormat:@"rgba(%lu,%lu,%lu,%lu)", (unsigned long)r, (unsigned long)g, (unsigned long)b, (unsigned long)a];
-}
-
-+ (UIColor *)colorWithRGBHex:(UInt32)hex
-{
-	int r = (hex >> 16) & 0xFF;
-	int g = (hex >> 8) & 0xFF;
-	int b = (hex) & 0xFF;
-
-	return [UIColor colorWithRed:r / 255.0f
-						   green:g / 255.0f
-							blue:b / 255.0f
-						   alpha:1.0f];
-}
-
-- (CGColorSpaceModel)colorSpaceModel
-{
-	return CGColorSpaceGetModel(CGColorGetColorSpace(self.CGColor));
-}
-
-- (BOOL)canProvideRGBComponents
-{
-	switch (self.colorSpaceModel)
-    {
-		case kCGColorSpaceModelRGB:
-		case kCGColorSpaceModelMonochrome:
-        {
-			return YES;
-        }
-		default:
-        {
-			return NO;
-        }
-	}
-}
-
-- (BOOL)red:(CGFloat *)red green:(CGFloat *)green blue:(CGFloat *)blue alpha:(CGFloat *)alpha
-{
-	const CGFloat *components = CGColorGetComponents(self.CGColor);
-
-	CGFloat r,g,b,a;
-
-	switch (self.colorSpaceModel)
-    {
-		case kCGColorSpaceModelMonochrome:
-        {
-			r = g = b = components[0];
-			a = components[1];
-
-            break;
-        }
-		case kCGColorSpaceModelRGB:
-        {
-			r = components[0];
-			g = components[1];
-			b = components[2];
-			a = components[3];
-
-            break;
-        }
-		default:
-        {
-			return NO;
-        }
-	}
-
-	if (red)   *red   = r;
-	if (green) *green = g;
-	if (blue)  *blue  = b;
-	if (alpha) *alpha = a;
-
-	return YES;
-}
-
-- (UInt32)rgbHex
-{
-    NSAssert(self.canProvideRGBComponents, @"Must be a RGB color to use rgbHex");
-
-    CGFloat r, g, b, a;
-
-    if ( ! [self red:&r green:&g blue:&b alpha:&a])
-        return 0;
-
-    r = fminf(fmaxf(r, 0.0f), 1.0f);
-    g = fminf(fmaxf(g, 0.0f), 1.0f);
-    b = fminf(fmaxf(b, 0.0f), 1.0f);
-
-    return (((int)roundf(r * 255)) << 16) | (((int)roundf(g * 255)) << 8) | (((int)roundf(b * 255)));
-}
-
-- (NSString *)hexStringFromColor
-{
-	return [NSString stringWithFormat:@"%0.6X", (unsigned int)(self.rgbHex)];
-}
-
-+ (UIColor *)colorWithHexString:(NSString *)hexString
-{
-    NSScanner *scanner = [NSScanner scannerWithString:[hexString stringByReplacingOccurrencesOfString:@"#" withString:@""]];
-
-    unsigned hexNum;
-
-    if ( ! [scanner scanHexInt:&hexNum])
-        return nil;
-
-    return [UIColor colorWithRGBHex:hexNum];
-}
-
-@end