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| {{Construction}} | | {{Moved To Community}} |
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| == Purpose of this document ==
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| This document describes the recommended coding style for kdepim. Nobody is
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| forced to use this style, but to have consistent formatting of the source code
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| files it is strongly recommended to make use of it.
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| ''In short: Kdepim coding style follows the''
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| [http://techbase.kde.org/Policies/Kdelibs_Coding_Style Kdelibs coding style].
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| == The rules for Kdepim ==
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| *don't use any <TAB>s
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| *Trim the lines
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| *Only single empty lines should be used
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| *The first line, the last line(s) may not be empty
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| == Migration ==
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| As discussed at the KDEPIM meeting, Berlin, 3 March 2013, all the files of KDEPIM will
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| be reviewed to follow the coding style. This will be done over a long time,
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| directory after directory, for each of the
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| rules defined above. For each rule, one can find one or two script(s).
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| The first script is to check a single file or a complete directory for all .h and
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| .cpp files.
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| If present, the second script makes the changes for a single file or a complete
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| directory for all .h and .cpp files. For some complicated situations, the
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| script makes no change.
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| One can use the scripts for own work.It is recommanded to use them in this order.
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| === The scripts ===
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| ==== don't use any <TAB>s ====
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| *coding-style-check-Tabs.sh
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| *coding-style-change-Tabs.sh
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| The output of the '''check''' script is:
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| {{Output|1=check the file /home/guy-kde/projects/kdepimlibs/ktnef/ktnefparser.cpp
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| 1->308: Tab at 16: stream_ >> i; // i <- attribute type & name
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| 2->311: Tab at 16: stream_ >> i; // i <- data length
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| 3->326: Tab at 22: case attATTACHMENT: // try to get attachment info
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| 4->367: Tab at 16: stream_ >> u; // u <- checksum
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| a b c d}}
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|
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| This shows:
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| * the name of the file which is under test.
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| * the number of occurence('''a'''), the line number('''b'''), the position found('''c''') and the line itself('''d''').
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| The '''change''' script:
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| *makes a substitution of any <TAB> with eight spaces,
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| *The change works for the complete source, even within comments and strings,
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| *That might be too much and changes the vertical alignment of the code.
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| ==== Trim the lines ====
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| *coding-style-check-Trim.sh
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| *coding-style-change-Trim.sh
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| The output of the '''check''' script is:
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| {{Output|1=check the file /home/guy-kde/Software/coding-style-check/trim.cpp
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| 1->51: Space(s) at end of line (28): QVariant m_matchData;}}
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|
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| This shows:
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| * the name of the file which is under test.
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| * the number of occurence, the line number, the position found and the line itself.
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| The '''change''' script:
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| *remove all trailing space(s).
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| ==== Only single empty lines should be used ====
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| *coding-style-check-Twice.sh
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| *coding-style-change-Twice.sh
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| The output of the '''check''' script is:
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| {{Output|1=check the file /home/guy-kde/projects/kdepimlibs/syndication/rss2/enclosure.cpp
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| 1->25: next empty line found
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| 2->26: next empty line found
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| 3->30: next empty line found}}
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|
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| This shows:
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| * the name of the file which is under test.
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| * the number of occurrences and the line numbers.
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| The '''change''' script:
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| *removes all the next empty line(s).
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| ==== First line, last line(s) may not be empty ====
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| Some of the sources have a first empty lines, some have one or more empty last line(s).
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| *coding-style-check-First-Last.sh
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| *coding-style-change-First-Last.sh
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| The output of the '''check''' script is:
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| {{Output|1=check the file /home/guy-kde/Software/coding-style-check/trim.cpp
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| The first line is empty
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| The last line is empty}}
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|
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| The '''change''' script:
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| *removes the first line if empty, all the last empty line(s).
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