colour highlighting of syntax

This is a discussion on colour highlighting of syntax within the Tech Board forums, part of the Community Boards category; Sorry if this is misplaced, I've had a look through stickies and FAQs but can't find out how to post ...

  1. #1
    Registered Luser risby's Avatar
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    colour highlighting of syntax

    Sorry if this is misplaced, I've had a look through stickies and FAQs but can't find out how to post code that is syntax highlighted in colour.

    I assume there is a utility that understands C and C++ syntax and also vBulletin colour tags but is it standalone or an editor plug-in?

    I'm using TextPad on Windows XP and vi on Suse Linux and Ubuntu Linux and vim on Cygwin. These have their own colour syntax highlighting but do not use vBulletin [COLOR] tags.
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  2. #2
    System Novice siavoshkc's Avatar
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    I've written a painter. It is in my signature.
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  3. #3
    Registered Luser risby's Avatar
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    Quote Originally Posted by siavoshkc
    I've written a painter. It is in my signature.
    Got it. Thx v much. You're a star.

    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
    
        return 0;
    }
    ===
    Don't grumble about what you can't have;
    be grateful you don't get what you deserve.

  4. #4
    Frequently Quite Prolix dwks's Avatar
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    There are three code colourers written by members of this board as far as I'm aware. siavoshkc's "code painter", Code Colorer v2.0 by Martin, and my codeform. (codeform's somewhat old and I'm rewriting it right now.)

    Here's a recent thread where we argue about which is the best: Code colouring
    dwk

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  5. #5
    Registered Luser risby's Avatar
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    Quote Originally Posted by dwks
    There are three code colourers written by members of this board
    Yes, thanks. I tried them all:

    CPP code tagger

    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
    
        return 0;
    }
    Color Coder V 2.0

    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
    
        return 0;
    }
    codeform

    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
    
        return 0;
    }
    And I do believe that codeform does have that little something extra; plus, with a little adjustment, I can use it on my Linux systems. Thanks dwks.

    Adjustment:
    - I removed the forward slash from the definition of the default dat file as forward slash is the Windows-specific directory path separator

    Note:
    - Neither Linux nor Windows liked the numbercol definition in codeform_cb_cpp.dat (the equal symbol before darkblue needs a backslash escape character)

    [numbercol]
    \[color=darkblue]=[/color]

    It says
    Quote Originally Posted by codeform
    Syntax error in data file "codeform.dat" on line 112:
    [numbercol]'s data must have 2 parts (it has 3)
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  6. #6
    Registered User major_small's Avatar
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    I've got my own, but it gets color happy if you use keywords in parts of your variable names... for example, int sprint would look bad.
    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
    
        return 0;
    }
    oh yeah, and it's C++ specific... or I should say C wasn't included in it's design considerations as you can see from the code above.
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  7. #7
    Crazy Fool Perspective's Avatar
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    try some harder cases... like

    printf("while Fooo if bar \"stuff\" foo break 'bar'....");

  8. #8
    Registered User major_small's Avatar
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    I can tell you before I do it that those escapes wil break my coloring:
    Code:
    printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    yep
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  9. #9
    Registered Luser risby's Avatar
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    Quote Originally Posted by major_small
    I've got my own, but it gets color happy if you use keywords in parts of your variable names... for example, int sprint would look bad.
    Code:
     printf("%0x ", ch ^ 0xaa);
    oh yeah, and it's C++ specific... or I should say C wasn't included in it's design considerations as you can see from the code above.
    It seems that the consideration that keywords should be delimited by whitespace was also not in the design.

    Have you ever thought of fixing it or would that be a completely bizarre suggestion on my part?
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  10. #10
    Registered User major_small's Avatar
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    Quote Originally Posted by risby
    It seems that the consideration that keywords should be delimited by whitespace was also not in the design.
    I have thought of that, and at first glance it seems like a good idea... but that won't always work: static_cast<int>(12.5);
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  11. #11
    (?<!re)tired Mario F.'s Avatar
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    I think you'll have to introduce somehow the notion of delimiters into your keyword implementation and parse with these in mind as left-hand side delimiters.

    Delimiters will be BOF, newline, whitespace, comma, semi-colon, (, {, <... if nothing is escaping me.

    Any keyword may only be preceded by those above. Anything other than that will have another meaning.

    EDIT: actually the above will not work for situations like int introduce. So, there also needs to be a list of right hand side delimiters.
    Last edited by Mario F.; 09-19-2006 at 03:56 AM.
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  12. #12
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    Quote Originally Posted by risby
    It seems that the consideration that keywords should be delimited by whitespace was also not in the design.

    Have you ever thought of fixing it or would that be a completely bizarre suggestion on my part?
    More correctly they should be delimited by word boundaries, i.e. /\b\w+?\b/.

    I just use Vim's Convert to HTML and filter that through a Perl script to get BBCode whenever I want to get pretty. E.g.
    Code:
     1 #include <stdio.h>
     2 
     3 int main(void) {
     4  int ch;
     5 
     6  while ((ch = getchar()) != EOF)
     7  if (ch == '\n')
     8             printf("\n");
     9  else
    10             printf("%0x ", ch ^ 0xaa);
    11     printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    12 
    13  return 0;
    14 }
    15 
    Last edited by zx-1; 09-19-2006 at 10:03 AM.
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  13. #13
    System Novice siavoshkc's Avatar
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    Anyway my code painter handle it easily.
    Code:
    printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    Learn C++ (C++ Books, C Books, FAQ, Forum Search)
    Code painter latest version on sourceforge DOWNLOAD NOW!
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  14. #14
    Registered Luser risby's Avatar
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    Quote Originally Posted by Perspective
    try some harder cases... like

    printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    None of them failed the Perspective test:

    SiavoshKC's
    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
        printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    
        return 0;
    }
    Martin's

    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
        printf("while Fooo if bar \"stuff\" foo break 'bar'....");
    
        return 0;
    }
    dwks'
    Code:
    #include <stdio.h>
    
    int main(void) {
        int ch;
    
        while ((ch = getchar()) != EOF)
            if (ch == '\n')
                printf("\n");
            else
                printf("%0x ", ch ^ 0xaa);
        printf("while Fooo if bar \"stuff\" foo break 'bar'....");
        return 0;
    }
    ===
    Don't grumble about what you can't have;
    be grateful you don't get what you deserve.

  15. #15
    The superhaterodyne twomers's Avatar
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    This is thanks do dwks, I think they all pass that too -

    Code:
    printf("hi");
    
    #define /*what?*/ foo
    
    puts("\\\"");
    
    in\
    t x;
    
    printf("/*comment*/");
    
    /* int x; printf("int x;"); */
    
    // /*
    for(;;){}
    //*/
    
    /*//*/ int okay;
    Or at least they don't break upon implementation

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