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<  Advanced Erlang/OTP  ~  yaws and relative path
vim
Posted: Thu Nov 27, 2008 8:02 am Reply with quote
User Joined: 01 Oct 2008 Posts: 19
i'm using yaws, and i was trying to set some of the resources to other directories, till now with no success.

for example, i want all the graphics to be on another directory, so i tried "../img/mypic.jpg"

another use i need, is to share an include file with the backend server, so i tried

Code:
<erl> -include("../include/shared.hrl"). </er>


few more details: i run yaws on embedded mode, and my directory structure is:
ebin/
include/
src/
www/

where my yaws pages are on the www/ directory
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hao
Posted: Fri Nov 28, 2008 4:11 pm Reply with quote
User Joined: 20 Aug 2007 Posts: 18 Location: Uppsala, Sweden
[First question] Since you put your yaws pages under www/ directory, do you set yaws docroot to www/ as well? Assume that you did so, one correct way to organize directories will be:

www/your_yaws_pages.yaws
......../include/img/mypic.jpg
..................../css/mycss.css
..................../js/myjs.js

Therefore, in the html or yaws pages, if you want to use mypic.jpg image, write e.g. src="/include/img/mypic.jpg".

[Second question] I don't think the -include statement would work inside <erl> tags in a .yaws file. <erl></erl> should only contain out/1 function which looks like
Code:

<erl>
out(Arg) -> do_sth_here_and_return_predefined_types_of_data.
</erl>

But you could do it in another way:
Code:

<erl>
out(Arg) -> somemodule:somefunc(Arg).
</erl>

In somemodule, use -include("../include/shared.hrl") and make sure somefunc/1 return same types of data as out/1.
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vim
Posted: Fri Nov 28, 2008 11:15 pm Reply with quote
User Joined: 01 Oct 2008 Posts: 19
thanks, i'll use that.
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hao
Posted: Sat Nov 29, 2008 12:17 pm Reply with quote
User Joined: 20 Aug 2007 Posts: 18 Location: Uppsala, Sweden
You are welcome. Put further posts if you encounter any related problems. Good luck. Wink
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