/* Header for coding system handler.
Copyright (C) 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008
+ 2005, 2006, 2007, 2008, 2009, 2010
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H14PRO021
Copyright (C) 2003
ASCII characters (usually '?') for unsupported characters. */
#define CODING_MODE_SAFE_ENCODING 0x20
+ /* For handling composition sequence. */
+#include "composite.h"
+
+enum composition_state
+ {
+ COMPOSING_NO,
+ COMPOSING_CHAR,
+ COMPOSING_RULE,
+ COMPOSING_COMPONENT_CHAR,
+ COMPOSING_COMPONENT_RULE
+ };
+
+/* Structure for the current composition status. */
+struct composition_status
+{
+ enum composition_state state;
+ enum composition_method method;
+ int old_form; /* 0:pre-21 form, 1:post-21 form */
+ int length; /* number of elements produced in charbuf */
+ int nchars; /* number of characters composed */
+ int ncomps; /* number of composition components */
+ /* Maximum carryover is for the case of COMPOSITION_WITH_RULE_ALTCHARS.
+ See the comment in coding.c. */
+ int carryover[4 /* annotation header */
+ + MAX_COMPOSITION_COMPONENTS * 3 - 2 /* ALTs and RULEs */
+ + 2 /* intermediate -1 -1 */
+ + MAX_COMPOSITION_COMPONENTS /* CHARs */
+ ];
+};
+
+
/* Structure of the field `spec.iso_2022' in the structure
`coding_system'. */
struct iso_2022_spec
/* Set to 1 temporarily only when processing at beginning of line. */
int bol;
+
+ /* If positive, we are now scanning CTEXT extended segment. */
+ int ctext_extended_segment_len;
+
+ /* If nonzero, we are now scanning embedded UTF-8 sequence. */
+ int embedded_utf_8;
+
+ /* The current composition. */
+ struct composition_status cmp_status;
+};
+
+struct emacs_mule_spec
+{
+ int full_support;
+ struct composition_status cmp_status;
};
struct ccl_spec;
struct ccl_spec *ccl; /* Defined in ccl.h. */
struct utf_16_spec utf_16;
enum utf_bom_type utf_8_bom;
- int emacs_mule_full_support;
+ struct emacs_mule_spec emacs_mule;
} spec;
int max_charset_id;
- char *safe_charsets;
+ unsigned char *safe_charsets;
/* The following two members specify how binary 8-bit code 128..255
are represented in source and destination text respectively. 1
int default_char;
- int (*detector) P_ ((struct coding_system *,
- struct coding_detection_info *));
- void (*decoder) P_ ((struct coding_system *));
- int (*encoder) P_ ((struct coding_system *));
+ int (*detector) (struct coding_system *,
+ struct coding_detection_info *);
+ void (*decoder) (struct coding_system *);
+ int (*encoder) (struct coding_system *);
};
/* Meanings of bits in the member `common_flags' of the structure
if (j1 & 1) \
{ \
s1 = (j1 <= 0x25 ? 0xF0 + (j1 - 0x21) / 2 \
- : j1 <= 0x27 ? 0xF3 + (j1 - 0x2D) / 2 \
+ : j1 <= 0x2F ? 0xF3 + (j1 - 0x2D) / 2 \
: 0xF5 + (j1 - 0x6F) / 2); \
s2 = j2 + ((j2 >= 0x60) ? 0x20 : 0x1F); \
} \
#define ENCODE_UTF_8(str) code_convert_string_norecord (str, Qutf_8, 1)
/* Extern declarations. */
-extern Lisp_Object code_conversion_save P_ ((int, int));
-extern int decoding_buffer_size P_ ((struct coding_system *, int));
-extern int encoding_buffer_size P_ ((struct coding_system *, int));
-extern void setup_coding_system P_ ((Lisp_Object, struct coding_system *));
-extern Lisp_Object coding_charset_list P_ ((struct coding_system *));
-extern void detect_coding P_ ((struct coding_system *));
-extern Lisp_Object code_convert_region P_ ((Lisp_Object, Lisp_Object,
- Lisp_Object, Lisp_Object,
- int, int));
-extern Lisp_Object code_convert_string P_ ((Lisp_Object, Lisp_Object,
- Lisp_Object, int, int, int));
-extern Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object,
- int));
-extern Lisp_Object raw_text_coding_system P_ ((Lisp_Object));
-extern Lisp_Object coding_inherit_eol_type P_ ((Lisp_Object, Lisp_Object));
-
-extern int decode_coding_gap P_ ((struct coding_system *,
- EMACS_INT, EMACS_INT));
-extern int encode_coding_gap P_ ((struct coding_system *,
- EMACS_INT, EMACS_INT));
-extern void decode_coding_object P_ ((struct coding_system *,
- Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT, Lisp_Object));
-extern void encode_coding_object P_ ((struct coding_system *,
- Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT, Lisp_Object));
+extern Lisp_Object code_conversion_save (int, int);
+extern int decoding_buffer_size (struct coding_system *, int);
+extern int encoding_buffer_size (struct coding_system *, int);
+extern void setup_coding_system (Lisp_Object, struct coding_system *);
+extern Lisp_Object coding_charset_list (struct coding_system *);
+extern Lisp_Object coding_system_charset_list (Lisp_Object);
+extern void detect_coding (struct coding_system *);
+extern Lisp_Object code_convert_region (Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, int);
+extern Lisp_Object code_convert_string (Lisp_Object, Lisp_Object,
+ Lisp_Object, int, int, int);
+extern Lisp_Object code_convert_string_norecord (Lisp_Object, Lisp_Object,
+ int);
+extern Lisp_Object raw_text_coding_system (Lisp_Object);
+extern Lisp_Object coding_inherit_eol_type (Lisp_Object, Lisp_Object);
+
+extern int decode_coding_gap (struct coding_system *,
+ EMACS_INT, EMACS_INT);
+extern int encode_coding_gap (struct coding_system *,
+ EMACS_INT, EMACS_INT);
+extern void decode_coding_object (struct coding_system *,
+ Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, Lisp_Object);
+extern void encode_coding_object (struct coding_system *,
+ Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, Lisp_Object);
/* Macros for backward compatibility. */
#define decode_coding_string(coding, string, nocopy) \
- decode_coding_object (coding, string, 0, 0, XSTRING (string)->size, \
- STRING_BYTES (XSTRING (string)), Qt)
+ decode_coding_object (coding, string, 0, 0, SCHARS (string), \
+ SBYTES (string), Qt)
#define encode_coding_string(coding, string, nocopy) \
- (encode_coding_object (coding, string, 0, 0, XSTRING (string)->size, \
- STRING_BYTES (XSTRING (string)), Qt), \
- (coding)->dst_object)
+ (STRING_MULTIBYTE(string) ? \
+ (encode_coding_object (coding, string, 0, 0, SCHARS (string), \
+ SBYTES (string), Qt), \
+ (coding)->dst_object) : (string))
#define decode_coding_c_string(coding, src, bytes, dst_object) \
} while (0)
-extern Lisp_Object preferred_coding_system P_ (());
+extern Lisp_Object preferred_coding_system (void);
extern Lisp_Object Qutf_8, Qutf_8_emacs;
extern Lisp_Object Qstart_process, Qopen_network_stream;
extern Lisp_Object Qwrite_region;
-extern char *emacs_strerror P_ ((int));
+extern char *emacs_strerror (int);
/* Coding-system for reading files and receiving data from process. */
extern Lisp_Object Vcoding_system_for_read;
/* Default coding systems used for process I/O. */
extern Lisp_Object Vdefault_process_coding_system;
+/* Char table for translating Quail and self-inserting input. */
+extern Lisp_Object Vtranslation_table_for_input;
+
/* Function to call to force a user to force select a propert coding
system. */
extern Lisp_Object Vselect_safe_coding_system_function;
extern Lisp_Object Qcoding_system_error;
extern char emacs_mule_bytes[256];
-extern int emacs_mule_string_char P_ ((unsigned char *));
+extern int emacs_mule_string_char (unsigned char *);
#endif /* EMACS_CODING_H */