Hi, this patch implements the Apache->module() functionnality with a few differences.

Apache->module() is in Apache::compat and the real name for this is 
Apache::Module::loaded()
and I am open for better suggestions.  "if (Apache->module('Apache::Auth'))" doesn't 
quite
make as much sense to me than "if (Apache::Module::loaded('Apache::Auth'))"

Added a fet test cases for it and took the time to rewrite the module.t tests
with Stas's cool t_cmp()

The behavious is now 3-fold instead of 2 like mod_perl 1.x

1- if the name ends in '.c' then it will return true/false if that apache
module is present or not.

2- if the name ends in '.so' then it will return true/false if that apache
module is present and was loaded as a DSO

3- else it returns true/false if a perl module of that name is already loaded.

Comments most welcome.

Index: todo/api.txt
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/todo/api.txt,v
retrieving revision 1.6
diff -u -I'$Id' -I'$Revision' -r1.6 api.txt
--- todo/api.txt        2001/09/28 13:51:57     1.6
+++ todo/api.txt        2001/10/02 07:17:48
@@ -28,9 +28,6 @@
 $r->log_reason:
 should be simple, see modperl_log.h
 
-Apache->module:
-not yet implemented
-
 Apache->server_root_relative:
 needs to default to current pool (pconf at startup, r->pool at request
 time)
Index: xs/maps/apache_functions.map
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/xs/maps/apache_functions.map,v
retrieving revision 1.30
diff -u -I'$Id' -I'$Revision' -r1.30 apache_functions.map
--- xs/maps/apache_functions.map        2001/09/17 01:06:08     1.30
+++ xs/maps/apache_functions.map        2001/10/02 07:17:48
@@ -180,6 +180,7 @@
 >ap_show_directives
 >ap_show_modules
 >ap_register_hooks
+ mpxs_Apache__Module_loaded
 
 MODULE=Apache::Directive
  ap_directive_t *:DEFINE_conftree | | SV *:CLASS
Index: xs/Apache/Module/Apache__Module.h
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/xs/Apache/Module/Apache__Module.h,v
retrieving revision 1.2
diff -u -I'$Id' -I'$Revision' -r1.2 Apache__Module.h
--- xs/Apache/Module/Apache__Module.h   2001/03/26 15:51:50     1.2
+++ xs/Apache/Module/Apache__Module.h   2001/10/02 07:17:48
@@ -1,2 +1,31 @@
 #define mpxs_Apache__Module_top_module(CLASS) \
 (CLASS ? ap_top_module : ap_top_module)
+
+static MP_INLINE
+int mpxs_Apache__Module_loaded(const char *name)
+{
+    dTHX; /*XXX*/
+    module *mod;
+     
+    if (0 == ap_strcmp_match(name,"*.c")) {
+        mod = modperl_get_ap_module(name);
+        return ( NULL != mod );
+    }
+    else if (0 == ap_strcmp_match(name,"*.so")) {
+        size_t len = strlen(name);
+        char *so = malloc(len+1);
+        
+        apr_cpystrn(so, name, len+1);
+        so[len-2] = 'c';
+        so[len-1] = '\0';
+        mod = modperl_get_ap_module(so);
+        free(so);
+        
+        return (mod && (NULL != mod->dynamic_load_handle));
+    }
+    else {
+        return modperl_is_module_loaded(aTHX_ name);
+    }
+    
+   
+}
Index: t/response/TestAPI/module.pm
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/t/response/TestAPI/module.pm,v
retrieving revision 1.1
diff -u -I'$Id' -I'$Revision' -r1.1 module.pm
--- t/response/TestAPI/module.pm        2001/04/04 05:45:48     1.1
+++ t/response/TestAPI/module.pm        2001/10/02 07:17:48
@@ -4,32 +4,51 @@
 use warnings FATAL => 'all';
 
 use Apache::Test;
+use Apache::TestConfig;
+use Apache::TestUtil;
 use Apache::Module ();
 use DynaLoader ();
 
 sub handler {
     my $r = shift;
 
-    plan $r, tests => 6;
+    my $cfg = Apache::TestConfig->thaw;
+  
+    plan $r, tests => 11;
 
     my $top_module = Apache::Module->top_module;
 
     ok $top_module;
 
-    ok $top_module->version;
+    ok t_cmp($cfg->{httpd_info}{MODULE_MAGIC_NUMBER}, $top_module->version . ':0' , 
+q{$top_module->version});
 
-    ok $top_module->module_index;
+    ok t_cmp(scalar(keys(%{$cfg->{modules}})), $top_module->module_index, 
+q{$top_module->module_index});
 
-    ok $top_module->name;
+    ok t_cmp('mod_perl.c', $top_module->name(), q{$top_module->name});
 
-    ok $top_module->cmds;
-
-    for (my $modp = $top_module; $modp; $modp = $modp->next) {
-        if ($modp->name eq 'mod_perl.c') {
-            ok 1;
-            last;
+    my $cmd = $top_module->cmds;
+    
+    ok defined $cmd;
+    
+    ok UNIVERSAL::isa($cmd, 'Apache::Command');
+    
+    {
+        local $cfg->{modules}{'mod_perl.c'} = 1;
+        my $modules = {};
+        
+        for (my $modp = $top_module; $modp; $modp = $modp->next) {
+            if ($modp && $modp->name) {
+                $modules->{$modp->name} = 1;
+            }
         }
+
+        ok t_cmp($cfg->{modules}, $modules,"Modules list");
     }
+    
+    ok t_cmp(1, Apache::Module::loaded('mod_perl.c'), 
+"Apache::Module::loaded('mod_perl.c')");
+    ok t_cmp(1, Apache::Module::loaded('mod_perl.so'), 
+"Apache::Module::loaded('mod_perl.so')");
+    ok t_cmp(0, Apache::Module::loaded('foo'), "Apache::Module::loaded('foo')");
+    ok t_cmp(1, Apache::Module::loaded('Apache::Module'), 
+"Apache::Module::loaded('Apache::Module')");
 
     0;
 }
Index: src/modules/perl/modperl_util.c
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/src/modules/perl/modperl_util.c,v
retrieving revision 1.19
diff -u -I'$Id' -I'$Revision' -r1.19 modperl_util.c
--- src/modules/perl/modperl_util.c     2001/09/28 20:11:01     1.19
+++ src/modules/perl/modperl_util.c     2001/10/02 07:17:48
@@ -443,3 +443,19 @@
 
     return RETVAL;
 }
+
+MP_INLINE module *modperl_get_ap_module(const char *name)
+{
+    module *modp;
+    for (modp = ap_top_module; modp; modp = modp->next) {
+        if (modp && modp->name && ( 0 == apr_strnatcmp(modp->name, name))) {
+           return modp;
+        }
+    }
+    return NULL;
+}
+
+MP_INLINE int modperl_is_module_loaded(pTHX_ const char *name)
+{
+    return (NULL != gv_stashpv(name, FALSE));
+}
Index: src/modules/perl/modperl_util.h
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/src/modules/perl/modperl_util.h,v
retrieving revision 1.19
diff -u -I'$Id' -I'$Revision' -r1.19 modperl_util.h
--- src/modules/perl/modperl_util.h     2001/09/28 20:11:01     1.19
+++ src/modules/perl/modperl_util.h     2001/10/02 07:17:48
@@ -72,4 +72,8 @@
 SV *modperl_table_get_set(pTHX_ apr_table_t *table, char *key,
                           SV *sv_val, bool do_taint);
 
+MP_INLINE module *modperl_get_ap_module(const char *name);
+
+MP_INLINE int modperl_is_module_loaded(pTHX_ const char *name);
+
 #endif /* MODPERL_UTIL_H */
Index: lib/Apache/compat.pm
===================================================================
RCS file: /home/anoncvs/mod_perl-2-cvs/lib/Apache/compat.pm,v
retrieving revision 1.15
diff -u -I'$Id' -I'$Revision' -r1.15 compat.pm
--- lib/Apache/compat.pm        2001/10/01 09:04:10     1.15
+++ lib/Apache/compat.pm        2001/10/02 07:17:48
@@ -42,6 +42,11 @@
 sub untaint {
 }
 
+sub module {
+    eval { require Apache::Module; };
+    return Apache::Module::loaded($_[1]);
+}
+
 package Apache::Constants;
 
 use Apache::Const ();


-- 
Philippe M. Chiasson  <[EMAIL PROTECTED]>
  Extropia's Resident System Guru
     http://www.eXtropia.com/

NULL regexp argument
: The internal pattern matching routines blew it big time. 
        -- perldiag(1)

perl -e '$$=\${gozer};{$_=unpack(P26,pack(L,$$));/^Just Another Perl 
Hacker!\n$/&&print||$$++&&redo}'

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