more packages stuff

2009-02-16 17:19:43 +00:00
parent e5d11cfa16
commit e9e01815af
30 changed files with 16 additions and 16 deletions
--- a/packages/PLStream/pl-text.h
+++ b/packages/PLStream/pl-text.h
@@ -0,0 +1,80 @@
+/*  $Id$
+
+    Part of SWI-Prolog
+
+    Author:        Jan Wielemaker and Anjo Anjewierden
+    E-mail:        jan@swi.psy.uva.nl
+    WWW:           http://www.swi-prolog.org
+    Copyright (C): 1985-2002, University of Amsterdam
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef PL_TEXT_H_INCLUDED
+#define PL_TEXT_H_INCLUDED
+
+typedef enum
+{ PL_CHARS_MALLOC,			/* malloced data */
+  PL_CHARS_RING,			/* stored in the buffer ring */
+  PL_CHARS_HEAP,			/* stored in program area (atoms) */
+  PL_CHARS_STACK,			/* stored on the global stack */
+  PL_CHARS_LOCAL			/* stored in in-line buffer */
+} PL_chars_alloc_t;
+
+
+typedef struct
+{ union
+  { char *t;				/* tranditional 8-bit char* */
+    pl_wchar_t *w;			/* wide character string */
+  } text;
+  size_t length;
+					/* private stuff */
+  IOENC encoding;			/* how it is encoded */
+  PL_chars_alloc_t storage;		/* how it is stored */
+  int canonical;			/* TRUE: ENC_ISO_LATIN_1 or ENC_WCHAR */
+  char buf[100];			/* buffer for simple stuff */
+} PL_chars_t;
+
+#define PL_init_text(txt) \
+	{ (txt)->text.t    = NULL; \
+	  (txt)->encoding  = ENC_UNKNOWN; \
+	  (txt)->storage   = PL_CHARS_LOCAL; \
+	  (txt)->canonical = FALSE; \
+	}
+
+extern int	PL_unify_text(term_t term, term_t tail, PL_chars_t *text, int type);
+extern int	PL_unify_text_range(term_t term, PL_chars_t *text,
+			    size_t from, size_t len, int type);
+
+extern int	PL_promote_text(PL_chars_t *text);
+extern int	PL_demote_text(PL_chars_t *text);
+extern int	PL_mb_text(PL_chars_t *text, int flags);
+extern int	PL_canonise_text(PL_chars_t *text);
+
+extern int	PL_cmp_text(PL_chars_t *t1, size_t o1, PL_chars_t *t2, size_t o2,
+		    size_t len);
+extern int	PL_concat_text(int n, PL_chars_t **text, PL_chars_t *result);
+
+extern void	PL_free_text(PL_chars_t *text);
+extern void	PL_save_text(PL_chars_t *text, int flags);
+
+extern int		PL_get_text__LD(term_t l, PL_chars_t *text, int flags ARG_LD);
+extern atom_t		textToAtom(PL_chars_t *text);
+
+extern IOSTREAM *	Sopen_text(PL_chars_t *text, const char *mode);
+extern void		PL_text_recode(PL_chars_t *text, IOENC encoding);
+
+
+#endif /*PL_TEXT_H_INCLUDED*/