objc-property-declaration

Finds property declarations in Objective-C files that do not follow the pattern of property names in Apple’s programming guide. The property name should be in the format of Lower Camel Case.

For code:

@property(nonatomic, assign) int LowerCamelCase;

The fix will be:

@property(nonatomic, assign) int lowerCamelCase;

The check will only fix ‘CamelCase’ to ‘camelCase’. In some other cases we will only provide warning messages since the property name could be complicated. Users will need to come up with a proper name by their own.

This check also accepts special acronyms as prefixes or suffixes. Such prefixes or suffixes will suppress the Lower Camel Case check according to the guide: https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CodingGuidelines/Articles/NamingBasics.html#//apple_ref/doc/uid/20001281-1002931-BBCFHEAB

For a full list of well-known acronyms: https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CodingGuidelines/Articles/APIAbbreviations.html#//apple_ref/doc/uid/20001285-BCIHCGAE

The corresponding style rule: https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CodingGuidelines/Articles/NamingIvarsAndTypes.html#//apple_ref/doc/uid/20001284-1001757

The check will also accept property declared in category with a prefix of lowercase letters followed by a ‘_’ to avoid naming conflict. For example:

@property(nonatomic, assign) int abc_lowerCamelCase;

The corresponding style rule: https://developer.apple.com/library/content/qa/qa1908/_index.html

Options

Acronyms

Semicolon-separated list of custom acronyms that can be used as a prefix or a suffix of property names.

By default, appends to the list of default acronyms ( IncludeDefaultAcronyms set to 1). If IncludeDefaultAcronyms is set to 0, instead replaces the default list of acronyms.

IncludeDefaultAcronyms

Integer value (defaults to 1) to control whether the default acronyms are included in the list of acronyms.

If set to 1, the value in Acronyms is appended to the default list of acronyms:

[2-9]G;ACL;API;APN;APNS;AR;ARGB;ASCII;AV;BGRA;CA;CDN;CF;CG;CI;CRC;CV;CMYK;DNS;FPS;FTP;GIF;GL;GPS;GUID;HD;HDR;HMAC;HTML;HTTP;HTTPS;HUD;ID;JPG;JS;JSON;LAN;LZW;LTR;MAC;MD;MDNS;MIDI;NS;OS;P2P;PDF;PIN;PNG;POI;PSTN;PTR;QA;QOS;RGB;RGBA;RGBX;RIPEMD;ROM;RPC;RTF;RTL;SC;SDK;SHA;SQL;SSO;TCP;TIFF;TOS;TTS;UI;URI;URL;UUID;VC;VO;VOIP;VPN;VR;W;WAN;X;XML;Y;Z.

If set to 0, the value in Acronyms replaces the default list of acronyms.