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libsaria: Print format_cache stats 

I wanted to know how often there were cache hits and misses, so I print
out these stats on shutdown.
This commit is contained in:
Bryan Schumaker 2011-12-27 18:59:58 -05:00
parent 664ad0dad2
commit 52a3e73023
3 changed files with 19 additions and 5 deletions
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3
include/libsaria/format.h
View File

@ -8,7 +8,8 @@ using namespace std;
namespace libsaria
{
list<string> *format_text(string &);
list<string> *format_text(const string &);
void print_format_stats();
}

19
libsaria/format.cpp
View File

@ -1,13 +1,16 @@
#include <libsaria/format.h>
#include <libsaria/print.h>
#include <map>
#include <list>
using namespace std;
static map<string, list<string> > format_cache;
static unsigned int hits;
static unsigned int misses;
list<string> *do_format(string &text)
list<string> *do_format(const string &text)
{
string word;
list<string> word_list;
@ -60,16 +63,24 @@ list<string> *do_format(string &text)
namespace libsaria
{
list<string> *format_text(string &text)
list<string> *format_text(const string &text)
{
map<string, list<string> >::iterator it;
it = format_cache.find(text);
/* Not found in cache... */
if (it == format_cache.end())
if (it == format_cache.end()) {
misses++;
return do_format(text);
else
} else {
hits++;
return &(it->second);
}
}
void print_format_stats()
{
println("Format cache hits: %u misses: %u", hits, misses);
}
} /* Namespace: libsaria */

2
libsaria/libsaria.cpp
View File

@ -7,6 +7,7 @@
#include <libsaria/prefs.h>
#include <libsaria/print.h>
#include <libsaria/library.h>
#include <libsaria/format.h>
namespace libsaria
{
@ -25,6 +26,7 @@ namespace libsaria
void quit()
{
println("Quitting libsaria");
print_format_stats();
}
};