1 files changed, 182 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/libsidutils/src/SidDatabase.cpp b/sid/sidplay-libs-2.1.0/libsidutils/src/SidDatabase.cpp
new file mode 100644
index 00000000..20dd20b3
--- /dev/null
+++ b/sid/sidplay-libs-2.1.0/libsidutils/src/SidDatabase.cpp
@@ -0,0 +1,182 @@
+/***************************************************************************
+                          dbget.cpp  -  Get time from database
+                             -------------------
+    begin                : Fri Jun 2 2000
+    copyright            : (C) 2000 by Simon White
+    email                : s_a_white@email.com
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include "SidDatabase.h"
+#include "MD5/MD5.h"
+
+const char *SidDatabase::ERR_DATABASE_CORRUPT        = "SID DATABASE ERROR: Database seems to be corrupt.";
+const char *SidDatabase::ERR_NO_DATABASE_LOADED      = "SID DATABASE ERROR: Songlength database not loaded.";
+const char *SidDatabase::ERR_NO_SELECTED_SONG        = "SID DATABASE ERROR: No song selected for retrieving song length.";
+const char *SidDatabase::ERR_MEM_ALLOC               = "SID DATABASE ERROR: Memory Allocation Failure.";
+const char *SidDatabase::ERR_UNABLE_TO_LOAD_DATABASE = "SID DATABASE ERROR: Unable to load the songlegnth database.";
+
+
+SidDatabase::~SidDatabase ()
+{
+    close ();
+}
+
+
+int_least32_t SidDatabase::parseTimeStamp(const char* arg)
+{
+    /* Read in m:s format at most.
+     * Could use a system function if available.
+     */
+    int_least32_t seconds = 0;
+    int  passes    = 2;  // minutes, seconds
+    bool gotDigits = false;
+    while ( passes-- )
+    {
+        if ( isdigit(*arg) )
+    {
+        int t = atoi(arg);
+        seconds += t;
+        gotDigits = true;
+    }
+        while ( *arg && isdigit(*arg) )
+    {
+            ++arg;
+        }
+        if ( *arg && *arg==':' )
+        {
+            seconds *= 60;
+            ++arg;
+        }
+    }
+    
+    // Handle -:-- time stamps and old 0:00 entries which
+    // need to be rounded up by one second.
+    if ( !gotDigits )
+        seconds = 0;
+    else if ( seconds==0 )
+        ++seconds;
+    
+    return seconds;
+}
+
+
+uint_least8_t SidDatabase::timesFound (char *str)
+{
+    /* Try and determine the number of times read back.
+     * Used to check validility of times in database.
+    */
+    uint_least8_t count = 0;
+    while (*str)
+    {
+        if (*str++ == ':')
+        count++;
+    }
+    return count;
+}
+
+
+int SidDatabase::open (const char *filename)
+{
+    close ();
+    // @FIXME@:  Libini should be changed
+    database = ini_open ((char *) filename, "r", ";");
+    if (!database)
+    {
+        errorString = ERR_UNABLE_TO_LOAD_DATABASE;
+        return -1;
+    }
+
+    return 0;
+}
+
+void SidDatabase::close ()
+{
+    if (database)
+        ini_close (database);
+}
+
+int_least32_t SidDatabase::length (SidTuneMod &tune)
+{
+    SidTuneInfo    tuneInfo;
+    int_least32_t  time = 0;
+    char           timeStamp[10];
+    MD5            myMD5;
+    char           digest[33];
+    uint_least16_t selectedSong = 0;
+
+    if (!database)
+    {
+        errorString = ERR_NO_DATABASE_LOADED;
+        return -1;
+    }
+
+    tune.getInfo(tuneInfo);
+    selectedSong = tuneInfo.currentSong;
+    if (!selectedSong)
+    {
+        errorString = ERR_NO_SELECTED_SONG;
+        return -1;
+    }
+
+    // Restart fingerprint
+    myMD5.reset();
+    tune.createMD5(myMD5);
+    myMD5.finish();
+
+    // Construct fingerprint.
+    digest[0] = '\0';
+    for (int di = 0; di < 16; ++di)
+        sprintf (digest, "%s%02x", digest, (int) myMD5.getDigest()[di]);
+
+
+    // Now set up array access
+    if (ini_listDelims  (database, " ") == -1)
+    {
+        errorString = ERR_MEM_ALLOC;
+        return -1;
+    }
+
+    // Read Time (and check times before hand)
+    (void) ini_locateHeading (database, "Database");
+    (void) ini_locateKey     (database, digest);
+    // If length return is -1 then no entry found in database
+    if (ini_dataLength (database) != -1)
+    {
+        selectedSong = 0;
+        while (selectedSong < tuneInfo.currentSong)
+        {
+            selectedSong++;
+            if (ini_readString (database, timeStamp, sizeof (timeStamp)) == -1)
+            {   // No time found
+                errorString = ERR_DATABASE_CORRUPT;
+                return -1;
+            }
+
+            // Validate Time
+            if (timesFound (timeStamp) != 1)
+            {
+                errorString = ERR_DATABASE_CORRUPT;
+                return -1;
+            }
+        }
+
+        // Parse timestamp
+        time = parseTimeStamp (timeStamp);
+    }
+
+    return time;
+}