CHEWING_API int chewing_Init(
const char *dataPath,
const char *hashPath )
{
/* initialize Tree, Char, and Dict */
/* FIXME: check the validation of dataPath */
InitTree( dataPath );
InitChar( dataPath );
InitDict( dataPath );
/* initialize Hash */
/* FIXME: check the validation of hashPath */
InitHash( hashPath );
/* initialize SymbolTable */
if ( ! InitSymbolTable( (char*) hashPath ) )
InitSymbolTable( (char*) dataPath );
if ( ! InitEasySymbolInput( (char *) hashPath ) )
InitEasySymbolInput( (char *) dataPath );
/* initialize HanyuPinYin table */
if ( ! InitHanyuPinYin( hashPath ) )
InitHanyuPinYin( dataPath );
#ifdef ENABLE_DEBUG
{
char *dbg_path;
int failsafe = 1;
dbg_path = getenv( "CHEWING_DEBUG" );
if ( dbg_path ) {
fp_g = fopen( dbg_path, "w+" );
if ( fp_g )
failsafe = 0;
}
if ( failsafe == 1 ) {
dbg_path = FAILSAFE_OUTPUT;
fp_g = fopen( dbg_path, "w+" );
if ( ! fp_g ) {
fprintf( stderr,
"Failed to record debug message in file.\n"
"--> Output to stderr\n" );
}
}
/* register debug service */
if ( fp_g )
addTerminateService( TerminateDebug );
}
#endif
bTerminateCompleted = 0;
return 0;
}
void InitTree( const char *prefix )
{
char filename[ PATH_MAX ];
#ifdef USE_BINARY_DATA
size_t offset = 0;
size_t csize;
#else
FILE *infile;
int i;
#endif
sprintf( filename, "%s" PLAT_SEPARATOR "%s", prefix, PHONE_TREE_FILE );
#ifdef USE_BINARY_DATA
plat_mmap_set_invalid( &tree_mmap );
tree_size = plat_mmap_create( &tree_mmap, filename, FLAG_ATTRIBUTE_READ );
assert( plat_mmap_is_valid( &tree_mmap ) );
if ( tree_size <= 0 )
return;
csize = tree_size;
tree = (TreeType *) plat_mmap_set_view( &tree_mmap, &offset, &csize );
assert( tree );
#else
infile = fopen( filename, "r" );
assert( infile );
for ( i = 0; i < TREE_SIZE; i++ ) {
if ( fscanf( infile, "%hu%d%d%d",
&tree[ i ].phone_id,
&tree[ i ].phrase_id,
&tree[ i ].child_begin,
&tree[ i ].child_end ) != 4 )
break;
}
fclose( infile );
#endif
addTerminateService( TerminateTree );
}
