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Google C++ Style Guide

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  • kidproquoK Offline
    kidproquoK Offline
    kidproquo
    wrote on last edited by
    #2

    How do the Google style guides compare to the Qt style guide? Are they largely consistent?

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    • G Offline
      G Offline
      goetz
      wrote on last edited by
      #3

      I did not compare them thoroughly, but I would say they differ in naming conventions and they do more strictly enforce the rules at all (against Qt which says: follow the rules wherever you can, but feel free to break them here and then where it makes sense).

      http://www.catb.org/~esr/faqs/smart-questions.html

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      • A Offline
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        andre
        wrote on last edited by
        #4

        Personally, I really like the Qt convention that class names start with a capital, and method names with a lower case letter. That is different in the Google conventions.

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        • G Offline
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          goetz
          wrote on last edited by
          #5

          As a real qt-e developer, I prefer this too, of course :-P

          http://www.catb.org/~esr/faqs/smart-questions.html

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          • F Offline
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            Franzk
            wrote on last edited by
            #6

            They're a tad too strict for my taste. If you're going to be telling people where to put their ++, you're focusing on the wrong thing.

            "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

            http://www.catb.org/~esr/faqs/smart-questions.html

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            • P Offline
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              Peppy
              wrote on last edited by
              #7

              Good reading, but some points I'd rather to change...

              For example:http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Doing_Work_in_Constructors#Doing_Work_in_Constructors

              As I am reading more, I am glad to we have Qt "style"...

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              • F Offline
                F Offline
                Franzk
                wrote on last edited by
                #8

                Heh, back to good old plain C again:

                @Object *o = new Object;
                o->init();@

                @struct Object *o = malloc(sizeof(struct Object));
                ObjectInit(o);@

                "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

                http://www.catb.org/~esr/faqs/smart-questions.html

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                • P Offline
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                  Peppy
                  wrote on last edited by
                  #9

                  Yes, yes...C# uses it too ((void) Init() functions)

                  Google Style Guide is too strict for me...

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                  • F Offline
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                    Franzk
                    wrote on last edited by
                    #10

                    I think the Google style guide documents the exact mistake a lot of companies make when they are prescribing the style this specifically. Programmers are usually free form thinkers. Putting a too rigid harness on that free form thinking lets developers focus on form rather than on functionality, and frankly, I'd rather have a bit of functionality. If you want to restrict coding rigidly to a certain standard, use a language that isn't as free form as C++.

                    "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

                    http://www.catb.org/~esr/faqs/smart-questions.html

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                    • P Offline
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                      Peppy
                      wrote on last edited by
                      #11

                      @Franzk: I totally agree with you.

                      [quote author="Franzk" date="1305574936"]Programmers are usually free form thinkers.[/quote]
                      I am too ;-)

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                      • L Offline
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                        leon.anavi
                        wrote on last edited by
                        #12

                        Volker, thanks for sharing! It is always good to know how leading companies work.

                        [quote author="Andre" date="1305548881"]Personally, I really like the Qt convention that class names start with a capital, and method names with a lower case letter. That is different in the Google conventions. [/quote]

                        Yes it is really nice, although I have to admit that I am still getting used to it :)

                        [quote author="Franzk" date="1305574936"]I think the Google style guide documents the exact mistake a lot of companies make when they are prescribing the style this specifically. Programmers are usually free form thinkers. Putting a too rigid harness on that free form thinking lets developers focus on form rather than on functionality, and frankly, I'd rather have a bit of functionality. If you want to restrict coding rigidly to a certain standard, use a language that isn't as free form as C++.[/quote]

                        +1 :) Bull's eye! :)

                        http://anavi.org/

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                        • P Offline
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                          Peppy
                          wrote on last edited by
                          #13

                          I prefer Unix or BSD style, it's not so strict as Google has...

                          Joke:

                          But the best thing that they wrote, was: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=C++0x#C++0x
                          " Decision: Use only C++0x libraries and language features that have been approved for use. Currently, no such features are approved. Features will be approved individually as appropriate."
                          How can I use C++0x (as it Google said), if there is just specification out?? Think smarter and you'll get nonsense of using this Google Style :D

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                          • F Offline
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                            Franzk
                            wrote on last edited by
                            #14

                            Preliminary implementations, which is why no libraries at all are approved. But one can hardly expect the trailing comma in enumerators to be a library function.

                            @enum HuuHaa {
                            Murk, // c++0x specific feature
                            };@

                            "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

                            http://www.catb.org/~esr/faqs/smart-questions.html

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                            • A Offline
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                              alexander
                              wrote on last edited by
                              #15

                              I wonder, do trolls have analog cpplint.py?:)

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                                situ117
                                wrote on last edited by
                                #16

                                http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Inline_Functions

                                Does Qt encourage inline functions inside the library which can be called from user code ? I guess it could cause binary incompatibilities if definition of inline function changes between library versions.

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                                • G Offline
                                  G Offline
                                  goetz
                                  wrote on last edited by
                                  #17

                                  Inline functions are not strongly en- ord discouraged, but the "Coding Conventions":http://developer.qt.nokia.com/wiki/Coding_Conventions section "Binary and Source Compatibility":http://developer.qt.nokia.com/wiki/Coding_Conventions#017d38d16f3e68ae84e92996ba58c513 requires not to reimplement them (dunno if a change to the code itself would be ok) under certain circumstances.

                                  Inline functions an B/C are a special beast, which would lead to use this feature only for short code blocks that are unlikely to change. I second the guidelines of Google here (excluding the -inl.h files).

                                  EDIT:
                                  To add the Qt counterparts for comparison:

                                  • "Qt Coding Conventions":http://developer.qt.nokia.com/wiki/Coding_Conventions
                                  • "Qt Coding Style":http://developer.qt.nokia.com/wiki/Qt_Coding_Style

                                  http://www.catb.org/~esr/faqs/smart-questions.html

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                                    Peppy
                                    wrote on last edited by
                                    #18

                                    Wow, we've got our own coding style, that's nice :D :)

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                                    • G Offline
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                                      goetz
                                      wrote on last edited by
                                      #19

                                      [quote author="Peppy" date="1305821823"]Wow, we've got our own coding style, that's nice :D :) [/quote]

                                      Of course - every good project does have its style guide (or adopts an existing one) :-)

                                      http://www.catb.org/~esr/faqs/smart-questions.html

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                                      • E Offline
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                                        escorciav
                                        wrote on last edited by
                                        #20

                                        Hi guys,

                                        I would like to know how to import the google-style-code in qtcreator, any idea?
                                        Is it possible as fast as import or I need to modify a xml file?

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