Hi to all,
I am trying to (re)write Vala bindings for libcurl.
I started following the instruction in this page
http://live.gnome.org/Vala/Bindings
and using information from this page
http://live.gnome.org/Vala/Manual/GIDL%20metadata%20format
At last I got a libcurl.gi that was close to what I expected and I tried
to write a metadata file to get an usable vapi file. Unfortunately I
have some problems completing the task.
I have attached an example containing some of the problem I am currently
facing. The libcurl.vapi.target is the desired vapi file, while the
libcurl.vapi is obtained from libcurl.gi and libcurl.metadata using
vapigen (0.14).
The main issues are:
1) How can I specify that a method (curl_easy_init) is the constructor
of a class (EasyHandle)?
2) How can I instruct vapigen that a function is a method of a class and
not a static function?
3) How can I instruct vapigen to put a cname attibute where needed (e.g.
for the EasyHandle class or the Code enumeration)?
4) How can I handle an enumeration value with a different prefix from
all the other values (e.g.: the last value in the Code enumeration)?
5) Is there any way I can put a static function in a nested namespace
(e.g.: Curl.Global.init())?
Thank you for your help.
Bests,
Giulio.
<?xml version="1.0"?>
<api version="1.0">
<namespace name="Curl">
<struct name="CURL">
<method name="easy_cleanup" symbol="curl_easy_cleanup">
<return-type type="void"/>
<parameters>
<parameter name="curl" type="CURL*"/>
</parameters>
</method>
<method name="easy_getinfo" symbol="curl_easy_getinfo">
<return-type type="CURLcode"/>
<parameters>
<parameter name="curl" type="CURL*"/>
<parameter name="info" type="int"/>
</parameters>
</method>
<method name="easy_init" symbol="curl_easy_init">
<return-type type="CURL*"/>
</method>
<method name="global_init" symbol="curl_global_init">
<return-type type="CURLcode"/>
<parameters>
<parameter name="flags" type="long"/>
</parameters>
</method>
</struct>
<enum name="CURLcode">
<member name="CURLE_OK" value="0"/>
<member name="CURLE_UNSUPPORTED_PROTOCOL" value="1"/>
<member name="CURLE_FAILED_INIT" value="2"/>
<member name="CURL_LAST" value="89"/>
</enum>
</namespace>
</api>
Curl cheader_filename="curl/curl.h"
CURL name="EasyHandle" free_function="curl_easy_cleanup"
curl_easy_cleanup name="cleanup"
curl_easy_getinfo name="getinfo" printf_format=1 ellipsis=1
curl_easy_init name="EasyHandle"
CURLcode name="Code" common_prefix="CURLE_"
/* libcurl.vapi generated by vapigen, do not modify. */
namespace Curl {
[CCode (cheader_filename = "curl/curl.h", free_function = "curl_easy_cleanup")]
[Compact]
public class EasyHandle {
[CCode (cname = "curl_easy_init")]
public static unowned Curl.EasyHandle EasyHandle ();
[CCode (cname = "curl_easy_cleanup")]
public static void cleanup (Curl.EasyHandle curl);
[CCode (cname = "curl_easy_getinfo")]
[PrintfFormat]
public static Curl.Code getinfo (Curl.EasyHandle curl, int info, ...);
[CCode (cname = "curl_global_init")]
public static Curl.Code global_init (long flags);
}
[CCode (cheader_filename = "curl/curl.h", cprefix = "CURLE_", has_type_id = false)]
public enum Code {
OK,
UNSUPPORTED_PROTOCOL,
FAILED_INIT,
AST
}
}
[CCode (cheader_filename = "curl/curl.h")]
namespace Curl {
[CCode (cname = "CURL", cprefix = "curl_easy_", cheader_filename =
"curl/curl.h", free_function = "curl_easy_cleanup")]
[Compact]
public class EasyHandle {
[CCode (cname = "curl_easy_init")]
public EasyHandle ();
[CCode (cname = "curl_easy_cleanup")]
public void cleanup ();
[CCode (cname = "curl_easy_getinfo")]
[PrintfFormat]
public Curl.Code getinfo (int info, ...);
}
namespace Global {
[CCode (cname = "curl_global_init")]
public static Curl.Code init (long flags);
}
[CCode (cname = "CURLcode", cheader_filename = "curl/curl.h", cprefix =
"CURLE_")]
public enum Code {
OK,
UNSUPPORTED_PROTOCOL,
FAILED_INIT,
[CCode (cname = "CURL_LAST")]
LAST
}
}
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