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Making plugin names case-insensitive for some internal comparisions.

Browse source 
Makes the plugin system a bit more tolerant against spelling
inconsistencies that would be hard to catch otherwise.
This commit is contained in:
Robin Sommer 2015-02-16 14:24:32 -08:00
parent ab3cdf494a
commit 0f96d06252
3 changed files with 22 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/plugin/Manager.cc
View file

@ -79,18 +79,19 @@ void Manager::SearchDynamicPlugins(const std::string& dir)
std::string name;
std::getline(in, name);
strstrip(name);
string lower_name = strtolower(name);
if ( name.empty() )
reporter->FatalError("empty plugin magic file %s", magic.c_str());
if ( dynamic_plugins.find(name) != dynamic_plugins.end() )
if ( dynamic_plugins.find(lower_name) != dynamic_plugins.end() )
{
DBG_LOG(DBG_PLUGINS, "Found already known plugin %s in %s, ignoring", name.c_str(), dir.c_str());
return;
}
// Record it, so that we can later activate it.
dynamic_plugins.insert(std::make_pair(name, dir));
dynamic_plugins.insert(std::make_pair(lower_name, dir));
DBG_LOG(DBG_PLUGINS, "Found plugin %s in %s", name.c_str(), dir.c_str());
return;
@ -135,7 +136,7 @@ void Manager::SearchDynamicPlugins(const std::string& dir)
bool Manager::ActivateDynamicPluginInternal(const std::string& name, bool ok_if_not_found)
{
dynamic_plugin_map::iterator m = dynamic_plugins.find(name);
dynamic_plugin_map::iterator m = dynamic_plugins.find(strtolower(name));
if ( m == dynamic_plugins.end() )
{
@ -230,7 +231,7 @@ bool Manager::ActivateDynamicPluginInternal(const std::string& name, bool ok_if_
// Make sure the name the plugin reports is consistent with
// what we expect from its magic file.
if ( string(current_plugin->Name()) != name )
if ( strtolower(current_plugin->Name()) != strtolower(name) )
reporter->FatalError("inconsistent plugin name: %s vs %s",
current_plugin->Name().c_str(), name.c_str());
@ -297,7 +298,7 @@ void Manager::UpdateInputFiles()
static bool plugin_cmp(const Plugin* a, const Plugin* b)
{
return a->Name() < b->Name();
return strtolower(a->Name()) < strtolower(b->Name());
}
void Manager::RegisterPlugin(Plugin *plugin)
@ -318,10 +319,11 @@ void Manager::RegisterBifFile(const char* plugin, bif_init_func c)
{
bif_init_func_map* bifs = BifFilesInternal();
bif_init_func_map::iterator i = bifs->find(plugin);
std::string lower_plugin = strtolower(plugin);
bif_init_func_map::iterator i = bifs->find(lower_plugin);
if ( i == bifs->end() )
i = bifs->insert(std::make_pair(std::string(plugin), new bif_init_func_list())).first;
i = bifs->insert(std::make_pair(lower_plugin, new bif_init_func_list())).first;
i->second->push_back(c);
}
@ -348,7 +350,7 @@ void Manager::InitBifs()
for ( plugin_list::iterator i = Manager::ActivePluginsInternal()->begin();
i != Manager::ActivePluginsInternal()->end(); i++ )
{
bif_init_func_map::const_iterator b = bifs->find((*i)->Name());
bif_init_func_map::const_iterator b = bifs->find(strtolower((*i)->Name()));
if ( b != bifs->end() )
{
@ -397,7 +399,7 @@ Manager::inactive_plugin_list Manager::InactivePlugins() const
for ( plugin_list::const_iterator j = all->begin(); j != all->end(); j++ )
{
if ( (*i).first == (*j)->Name() )
if ( (*i).first == strtolower((*j)->Name()) )
{
found = true;
break;
@ -434,7 +436,7 @@ Manager::bif_init_func_map* Manager::BifFilesInternal()
static bool hook_cmp(std::pair<int, Plugin*> a, std::pair<int, Plugin*> b)
{
if ( a.first == b.first )
return a.second->Name() < a.second->Name();
return strtolower(a.second->Name()) < strtolower(a.second->Name());
// Reverse sort.
return a.first > b.first;

7
src/util.cc
View file

@ -541,6 +541,13 @@ bool is_printable(const char* s, int len)
return true;
}
std::string strtolower(const std::string& s)
{
std::string t = s;
std::transform(t.begin(), t.end(), t.begin(), ::tolower);
return t;
}
const char* fmt_bytes(const char* data, int len)
{
static char buf[1024];

3
src/util.h
View file

@ -159,6 +159,9 @@ int strstr_n(const int big_len, const unsigned char* big,
extern int fputs(int len, const char* s, FILE* fp);
extern bool is_printable(const char* s, int len);
// Return a lower-cased version of the string.
extern std::string strtolower(const std::string& s);
extern const char* fmt_bytes(const char* data, int len);
// Note: returns a pointer into a shared buffer.