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103 lines
2.6 KiB
103 lines
2.6 KiB
// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "FIRCLSURLBuilder.h"
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#import "FIRCLSLogger.h"
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@interface FIRCLSURLBuilder ()
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@property(nonatomic) NSMutableString *URLString;
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@property(nonatomic) NSUInteger queryParams;
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- (NSString *)escapeString:(NSString *)string;
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@end
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@implementation FIRCLSURLBuilder
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+ (instancetype)URLWithBase:(NSString *)base {
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FIRCLSURLBuilder *url = [[FIRCLSURLBuilder alloc] init];
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[url appendComponent:base];
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return url;
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}
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- (instancetype)init {
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self = [super init];
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if (!self) {
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return nil;
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}
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_URLString = [[NSMutableString alloc] init];
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_queryParams = 0;
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return self;
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}
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- (NSString *)escapeString:(NSString *)string {
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#if TARGET_OS_WATCH
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// TODO: Question - Why does watchOS use a different encoding from the other platforms and the
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// Android SDK?
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return
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[string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet
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URLPathAllowedCharacterSet]];
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#else
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return
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[string stringByAddingPercentEncodingWithAllowedCharacters:NSCharacterSet
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.URLQueryAllowedCharacterSet];
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#endif
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}
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- (void)appendComponent:(NSString *)component {
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if (component.length == 0) {
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FIRCLSErrorLog(@"URLBuilder parameter component must not be empty");
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return;
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}
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[self.URLString appendString:component];
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}
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- (void)escapeAndAppendComponent:(NSString *)component {
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[self appendComponent:[self escapeString:component]];
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}
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- (void)appendValue:(id)value forQueryParam:(NSString *)param {
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if (!value) {
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return;
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}
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if (self.queryParams == 0) {
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[self appendComponent:@"?"];
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} else {
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[self appendComponent:@"&"];
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}
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self.queryParams += 1;
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[self appendComponent:param];
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[self appendComponent:@"="];
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if ([value isKindOfClass:NSString.class]) {
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[self escapeAndAppendComponent:value];
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} else {
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[self escapeAndAppendComponent:[value description]];
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}
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}
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- (NSURL *)URL {
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return [NSURL URLWithString:self.URLString];
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}
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@end
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