static wref *alloc_ref( HWND h ) {
wref *ref = hl_gc_alloc_finalizer(sizeof(wref));
memset(ref,0,sizeof(wref));
ref->h = h;
ref->finalize = finalize_wref;
SetProp(h,PREF,ref);
return ref;
}
/**
request : 'db -> sql:string -> 'result
<doc>Executes the SQL request and returns its result</doc>
**/
HL_PRIM sqlite_result *HL_NAME(request)(sqlite_database *db, vbyte *sql ) {
sqlite_result *r;
const char *tl;
int i,j;
r = (sqlite_result*)hl_gc_alloc_finalizer(sizeof(sqlite_result));
r->finalize = HL_NAME(finalize_result);
r->db = db;
if( sqlite3_prepare16_v2(db->db, sql, -1, &r->r, &tl) != SQLITE_OK ) {
HL_NAME(error)(db->db, false);
}
if( *tl ) {
sqlite3_finalize(r->r);
hl_error("SQLite error: Cannot execute several SQL requests at the same time");
}
r->ncols = sqlite3_column_count(r->r);
r->names = (int*)hl_gc_alloc(sizeof(int)*r->ncols);
r->bools = (int*)hl_gc_alloc(sizeof(int)*r->ncols);
r->first = 1;
r->done = 0;
for(i=0;i<r->ncols;i++) {
int id = hl_hash_gen((uchar*)sqlite3_column_name16(r->r,i), true);
const char *dtype = sqlite3_column_decltype(r->r,i);
for(j=0;j<i;j++)
if( r->names[j] == id ) {
if( strcmp(sqlite3_column_name16(r->r,i), sqlite3_column_name16(r->r,j)) == 0 ) {
sqlite3_finalize(r->r);
hl_buffer *b = hl_alloc_buffer();
hl_buffer_str(b, USTR("SQLite error: Same field is two times in the request: "));
hl_buffer_str(b, (uchar*)sql);
hl_error_msg(hl_buffer_content(b, NULL));
} else {
hl_buffer *b = hl_alloc_buffer();
hl_buffer_str(b, USTR("SQLite error: Same field ids for: "));
hl_buffer_str(b, sqlite3_column_name16(r->r,i));
hl_buffer_str(b, USTR(" and "));
hl_buffer_str(b, sqlite3_column_name16(r->r,j));
sqlite3_finalize(r->r);
hl_error_msg(hl_buffer_content(b, NULL));
}
}
r->names[i] = id;
r->bools[i] = dtype?(strcmp(dtype,"BOOL") == 0):0;
}
// changes in an update/delete
if( db->last != NULL )
HL_NAME(finalize_request)(db->last, false);
db->last = r;
return db->last;
}
/**
connect : filename:string -> 'db
<doc>Open or create the database stored in the specified file.</doc>
**/
HL_PRIM sqlite_database *HL_NAME(connect)( vbyte *filename ) {
sqlite_database *db;
sqlite3 *sqlite;
if( sqlite3_open16(filename, &sqlite) != SQLITE_OK ) {
HL_NAME(error)(sqlite, true);
}
db = (sqlite_database*)hl_gc_alloc_finalizer(sizeof(sqlite_database));
db->finalize = HL_NAME(finalize_database);
db->db = sqlite;
db->last = NULL;
return db;
}
HL_PRIM ereg *regexp_regexp_new_options( vbyte *str, vbyte *opts ) {
ereg *r;
const char *error;
int err_offset;
int errorcode;
pcre16 *p;
uchar *o = (uchar*)opts;
int options = 0;
while( *o ) {
switch( *o++ ) {
case 'i':
options |= PCRE_CASELESS;
break;
case 's':
options |= PCRE_DOTALL;
break;
case 'm':
options |= PCRE_MULTILINE;
break;
case 'u':
options |= PCRE_UTF8;
break;
case 'g':
options |= PCRE_UNGREEDY;
break;
default:
return NULL;
}
}
p = pcre16_compile2((PCRE_SPTR16)str,options,&errorcode,&error,&err_offset,NULL);
if( p == NULL ) {
hl_buffer *b = hl_alloc_buffer();
hl_buffer_str(b,USTR("Regexp compilation error : "));
hl_buffer_cstr(b,error);
hl_buffer_str(b,USTR(" in "));
hl_buffer_str(b,(uchar*)str);
hl_error_msg(USTR("%s"),hl_buffer_content(b,NULL));
}
r = (ereg*)hl_gc_alloc_finalizer(sizeof(ereg));
r->finalize = regexp_finalize;
r->p = p;
r->nmatches = 0;
r->matched = 0;
pcre16_fullinfo(p,NULL,PCRE_INFO_CAPTURECOUNT,&r->nmatches);
r->nmatches++;
r->matches = (int*)malloc(sizeof(int) * 3 * r->nmatches);
limit.flags = PCRE_EXTRA_MATCH_LIMIT_RECURSION;
limit.match_limit_recursion = 3500; // adapted based on Windows 1MB stack size
return r;
}
HL_CFFIPointer* HLCFFIPointer (void* handle, hl_finalizer finalizer) {
if (handle) {
HL_CFFIPointer* pointer = (HL_CFFIPointer*)hl_gc_alloc_finalizer (sizeof (HL_CFFIPointer));
pointer->finalizer = finalizer ? (void*)finalizer : 0;
pointer->ptr = handle;
return pointer;
} else {
return 0;
}
}
HL_PRIM fmt_zip *HL_NAME(deflate_init)( int level ) {
z_stream *z;
int err;
fmt_zip *s;
z = (z_stream*)malloc(sizeof(z_stream));
memset(z,0,sizeof(z_stream));
if( (err = deflateInit(z,level)) != Z_OK ) {
free(z);
zlib_error(NULL,err);
}
s = (fmt_zip*)hl_gc_alloc_finalizer(sizeof(fmt_zip));
s->finalize = free_stream_inf;
s->flush = Z_NO_FLUSH;
s->z = z;
s->inflate = false;
return s;
}
HL_PRIM fmt_zip *HL_NAME(inflate_init)( int wbits ) {
z_stream *z;
int err;
fmt_zip *s;
if( wbits == 0 )
wbits = MAX_WBITS;
z = (z_stream*)malloc(sizeof(z_stream));
memset(z,0,sizeof(z_stream));
if( (err = inflateInit2(z,wbits)) != Z_OK ) {
free(z);
zlib_error(NULL,err);
}
s = (fmt_zip*)hl_gc_alloc_finalizer(sizeof(fmt_zip));
s->finalize = free_stream_inf;
s->flush = Z_NO_FLUSH;
s->z = z;
s->inflate = true;
return s;
}
