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accept new-format dictionaries. Tested with BasEnglish2to8.xwd.

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Should still work for old-format, and for 4-byte, but untested.
This commit is contained in:
ehouse 2004-07-25 00:35:13 +00:00
parent ff19bb0b16
commit e66e3be0b1
1 changed files with 27 additions and 7 deletions
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34
franklin/frankdict.cpp
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@ -106,8 +106,10 @@ frank_dictionary_make( MPFORMAL XP_UCHAR* dictName )
int result = ebo_mapin( &eboe.name, 0, (void*)ptr, &size, 0 );
XP_DEBUGF( "ebo_mapin returned %d; size=%d\n", result, size );
int flags;
if ( result >= 0 ) {
if ( GetDictFlags( &eboe, IN_RAM ) != FRANK_DICT_VERSION_1 ) {
flags = GetDictFlags( &eboe, IN_RAM );
if ( flags != 0x0001 && flags != 0x0002 && flags != 0x0003 ) {
result = -1;
}
}
@ -122,17 +124,28 @@ frank_dictionary_make( MPFORMAL XP_UCHAR* dictName )
if ( result >= 0 ) {
XP_U16 numFaces;
XP_U16 facesSize;
XP_U16 charSize;
/* save for later */
ctxt->base = (void*)ptr;
ctxt->dictSize = size;
ctxt->super.destructor = frank_dictionary_destroy;
#ifdef DEBUG
U16 flags =
#endif
ntohs_noalign( &ptr );
XP_ASSERT( flags == FRANK_DICT_VERSION_1 );
U16 flags = ntohs_noalign( &ptr );
if ( flags == 0x0001 ) {
charSize = 1;
ctxt->super.nodeSize = 3;
} else if ( flags == 0x0002 ) {
charSize = 2;
ctxt->super.nodeSize = 3;
} else if ( flags == 0x0003 ) {
charSize = 2;
ctxt->super.nodeSize = 4;
} else {
XP_ASSERT( XP_FALSE );
charSize = 0; /* shut up compiler */
}
ctxt->super.nFaces = numFaces = *ptr++;
XP_DEBUGF( "read %d faces from dict\n", numFaces );
@ -142,6 +155,10 @@ frank_dictionary_make( MPFORMAL XP_UCHAR* dictName )
XP_MEMSET( ctxt->super.faces16, 0, facesSize );
for ( XP_U16 i = 0; i < numFaces; ++i ) {
if ( charSize == 2 ) {
++ptr; /* skip the extra byte; screw unicode for
now. :-) */
}
ctxt->super.faces16[i] = *ptr++;
}
@ -189,11 +206,14 @@ tryLoadMMCFile( MPFORMAL XP_UCHAR* dictName, U8** ptrP, size_t* size )
for ( result = ebo_first_xobject( &eboe );
result == EBO_OK;
result = ebo_next_xobject( &eboe ) ) {
U16 flags;
if ( strcmp( eboe.name.publisher, PUB_ERICHOUSE ) == 0
&& strcmp( eboe.name.extension, EXT_XWORDSDICT ) == 0
&& strcmp( eboe.name.name, (char*)dictName ) == 0
&& GetDictFlags(&eboe, ON_MMC) == FRANK_DICT_VERSION_1 ) {
&& ( ((flags = GetDictFlags(&eboe, ON_MMC)) == 0x0001)
|| (flags == 0x0002)
|| (flags == 0x0003) ) ) {
XP_DEBUGF( "looking to allocate %ld bytes", eboe.size );