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relikd
2019-09-18 17:26:19 +02:00
parent 37d3a461d6
commit 32f999b248
17 changed files with 9 additions and 9 deletions
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129
baRSS/NSCategories/NSError+Ext.m Normal file
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//
// The MIT License (MIT)
// Copyright (c) 2019 Oleg Geier
//
// 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.
@import RSXML2.RSXMLError;
#import "NSError+Ext.h"
@implementation NSError (Ext)
static const char* CodeDescription(NSInteger code) {
switch (code) {
/* --- Informational --- */
case 100: return "Continue";
case 101: return "Switching Protocols";
case 102: return "Processing";
case 103: return "Early Hints";
/* --- Success --- */
case 200: return "OK";
case 201: return "Created";
case 202: return "Accepted";
case 203: return "Non-Authoritative Information";
case 204: return "No Content";
case 205: return "Reset Content";
case 206: return "Partial Content";
case 207: return "Multi-Status";
case 208: return "Already Reported";
case 226: return "IM Used";
/* --- Redirection --- */
case 300: return "Multiple Choices";
case 301: return "Moved Permanently";
case 302: return "Found";
case 303: return "See Other";
case 304: return "Not Modified";
case 305: return "Use Proxy";
case 306: return "Switch Proxy";
case 307: return "Temporary Redirect";
case 308: return "Permanent Redirect";
/* --- Client error --- */
case 400: return "Bad Request";
case 401: return "Unauthorized";
case 402: return "Payment Required";
case 403: return "Forbidden";
case 404: return "Not Found";
case 405: return "Method Not Allowed";
case 406: return "Not Acceptable";
case 407: return "Proxy Authentication Required";
case 408: return "Request Timeout";
case 409: return "Conflict";
case 410: return "Gone";
case 411: return "Length Required";
case 412: return "Precondition Failed";
case 413: return "Payload Too Large";
case 414: return "URI Too Long";
case 415: return "Unsupported Media Type";
case 416: return "Range Not Satisfiable";
case 417: return "Expectation Failed";
case 418: return "I'm a teapot";
case 421: return "Misdirected Request";
case 422: return "Unprocessable Entity";
case 423: return "Locked";
case 424: return "Failed Dependency";
case 425: return "Too Early";
case 426: return "Upgrade Required";
case 428: return "Precondition Required";
case 429: return "Too Many Requests";
case 431: return "Request Header Fields Too Large";
case 451: return "Unavailable For Legal Reasons";
/* --- Server error --- */
case 500: return "Internal Server Error";
case 501: return "Not Implemented";
case 502: return "Bad Gateway";
case 503: return "Service Unavailable";
case 504: return "Gateway Timeout";
case 505: return "HTTP Version Not Supported";
case 506: return "Variant Also Negotiates";
case 507: return "Insufficient Storage";
case 508: return "Loop Detected";
case 510: return "Not Extended";
case 511: return "Network Authentication Required";
}
return "Unknown";
}
// ---------------------------------------------------------------
// | MARK: - Generators
// ---------------------------------------------------------------
/// Generate @c NSError from HTTP status code. E.g., @c code @c = @c 404 will return "404 Not Found".
+ (instancetype)statusCode:(NSInteger)code reason:(nullable NSString*)reason {
NSMutableDictionary *info = [NSMutableDictionary dictionaryWithCapacity:2];
info[NSLocalizedDescriptionKey] = [NSString stringWithFormat:@"%ld %s.", code, CodeDescription(code)];
if (reason) info[NSLocalizedRecoverySuggestionErrorKey] = reason;
NSInteger errCode = NSURLErrorUnknown;
if (code < 500) { if (code >= 400) errCode = NSURLErrorResourceUnavailable; }
else if (code < 600) errCode = NSURLErrorBadServerResponse;
return [self errorWithDomain:NSURLErrorDomain code:errCode userInfo:info];
}
/// Generate @c NSError for user canceled operation. With title "Operation canceled.".
+ (instancetype)canceledByUser {
NSDictionary *info = @{ NSLocalizedDescriptionKey: NSLocalizedString(@"Operation canceled.", nil) };
return [self errorWithDomain:NSURLErrorDomain code:NSURLErrorCancelled userInfo:info];
}
/// Generate @c NSError for webpages that don't contain feed urls.
+ (instancetype)feedURLNotFound:(NSURL*)url {
return RSXMLMakeErrorWrongParser(RSXMLErrorExpectingFeed, RSXMLErrorExpectingHTML, url);
}
@end