/* Header for coding system handler.
- Copyright (C) 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ Copyright (C) 2001-2013 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2008, 2009, 2010, 2011
National Institute of Advanced Industrial Science and Technology (AIST)
#define CODING_ATTR_PRE_WRITE(attrs) AREF (attrs, coding_attr_pre_write)
#define CODING_ATTR_DEFAULT_CHAR(attrs) AREF (attrs, coding_attr_default_char)
#define CODING_ATTR_FOR_UNIBYTE(attrs) AREF (attrs, coding_attr_for_unibyte)
-#define CODING_ATTR_FLUSHING(attrs) AREF (attrs, coding_attr_flushing)
#define CODING_ATTR_PLIST(attrs) AREF (attrs, coding_attr_plist)
#define CODING_ATTR_CATEGORY(attrs) AREF (attrs, coding_attr_category)
#define CODING_ATTR_SAFE_CHARSETS(attrs)AREF (attrs, coding_attr_safe_charsets)
{
enum composition_state state;
enum composition_method method;
- int old_form; /* 0:pre-21 form, 1:post-21 form */
+ bool old_form; /* true if pre-21 form */
int length; /* number of elements produced in charbuf */
int nchars; /* number of characters composed */
int ncomps; /* number of composition components */
there was an invalid designation previously. */
int current_designation[4];
- /* Set to 1 temporarily only when graphic register 2 or 3 is invoked
- by single-shift while encoding. */
- int single_shifting;
-
- /* 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;
+ /* True temporarily only when graphic register 2 or 3 is invoked by
+ single-shift while encoding. */
+ unsigned single_shifting : 1;
+
+ /* True temporarily only when processing at beginning of line. */
+ unsigned bol : 1;
+
+ /* If true, we are now scanning embedded UTF-8 sequence. */
+ unsigned embedded_utf_8 : 1;
/* The current composition. */
struct composition_status cmp_status;
struct emacs_mule_spec
{
- int full_support;
struct composition_status cmp_status;
};
setup_coding_system. At the early stage of building time, this
value is -1 in the array coding_categories to indicate that no
coding-system of that category is yet defined. */
- int id;
+ ptrdiff_t id;
/* Flag bits of the coding system. The meaning of each bit is common
to all types of coding systems. */
-1 in setup_coding_system, and updated by detect_coding. So,
when this is equal to the byte length of the text being
converted, we can skip the actual conversion process. */
- int head_ascii;
+ ptrdiff_t head_ascii;
/* The following members are set by encoding/decoding routine. */
- EMACS_INT produced, produced_char, consumed, consumed_char;
+ ptrdiff_t produced, produced_char, consumed, consumed_char;
/* Number of error source data found in a decoding routine. */
int errors;
- /* Store the positions of error source data. */
- EMACS_INT *error_positions;
+ /* Store the positions of error source data. */
+ ptrdiff_t *error_positions;
/* Finish status of code conversion. */
enum coding_result_code result;
- EMACS_INT src_pos, src_pos_byte, src_chars, src_bytes;
+ ptrdiff_t src_pos, src_pos_byte, src_chars, src_bytes;
Lisp_Object src_object;
const unsigned char *source;
- EMACS_INT dst_pos, dst_pos_byte, dst_bytes;
+ ptrdiff_t dst_pos, dst_pos_byte, dst_bytes;
Lisp_Object dst_object;
unsigned char *destination;
- /* Set to 1 if the source of conversion is not in the member
- `charbuf', but at `src_object'. */
- int chars_at_source;
-
/* If an element is non-negative, it is a character code.
If it is in the range -128..-1, it is a 8-bit character code
element. The following elements are OFFSET, ANNOTATION-TYPE, and
a sequence of actual data for the annotation. OFFSET is a
character position offset from dst_pos or src_pos,
- ANNOTATION-TYPE specfies the meaning of the annotation and how to
+ ANNOTATION-TYPE specifies the meaning of the annotation and how to
handle the following data.. */
int *charbuf;
int charbuf_size, charbuf_used;
+ /* True if the source of conversion is not in the member
+ `charbuf', but at `src_object'. */
+ unsigned chars_at_source : 1;
+
/* Set to 1 if charbuf contains an annotation. */
- int annotated;
+ unsigned annotated : 1;
unsigned char carryover[64];
int carryover_bytes;
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 *));
+ bool (*detector) (struct coding_system *, struct coding_detection_info *);
+ void (*decoder) (struct coding_system *);
+ bool (*encoder) (struct coding_system *);
};
/* Meanings of bits in the member `common_flags' of the structure
#define CODING_REQUIRE_DETECTION_MASK 0x1000
#define CODING_RESET_AT_BOL_MASK 0x2000
-/* Return 1 if the coding context CODING requires annotaion
+/* Return 1 if the coding context CODING requires annotation
handling. */
#define CODING_REQUIRE_ANNOTATION(coding) \
((coding)->common_flags & CODING_ANNOTATION_MASK)
for file names, if any. */
#define ENCODE_FILE(name) \
(! NILP (Vfile_name_coding_system) \
- && !EQ (Vfile_name_coding_system, make_number (0)) \
? code_convert_string_norecord (name, Vfile_name_coding_system, 1) \
: (! NILP (Vdefault_file_name_coding_system) \
- && !EQ (Vdefault_file_name_coding_system, make_number (0)) \
? code_convert_string_norecord (name, Vdefault_file_name_coding_system, 1) \
: name))
for file names, if any. */
#define DECODE_FILE(name) \
(! NILP (Vfile_name_coding_system) \
- && !EQ (Vfile_name_coding_system, make_number (0)) \
? code_convert_string_norecord (name, Vfile_name_coding_system, 0) \
: (! NILP (Vdefault_file_name_coding_system) \
- && !EQ (Vdefault_file_name_coding_system, make_number (0)) \
? code_convert_string_norecord (name, Vdefault_file_name_coding_system, 0) \
: name))
for system functions, if any. */
#define ENCODE_SYSTEM(str) \
(! NILP (Vlocale_coding_system) \
- && !EQ (Vlocale_coding_system, make_number (0)) \
? code_convert_string_norecord (str, Vlocale_coding_system, 1) \
: str)
for system functions, if any. */
#define DECODE_SYSTEM(str) \
(! NILP (Vlocale_coding_system) \
- && !EQ (Vlocale_coding_system, make_number (0)) \
? code_convert_string_norecord (str, Vlocale_coding_system, 0) \
: str)
#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 Lisp_Object coding_system_charset_list P_ ((Lisp_Object));
-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 Lisp_Object complement_process_encoding_system P_ ((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 (bool, bool);
+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 Lisp_Object code_convert_string (Lisp_Object, Lisp_Object,
+ Lisp_Object, bool, bool, bool);
+extern Lisp_Object code_convert_string_norecord (Lisp_Object, Lisp_Object,
+ bool);
+extern Lisp_Object raw_text_coding_system (Lisp_Object);
+extern Lisp_Object coding_inherit_eol_type (Lisp_Object, Lisp_Object);
+extern Lisp_Object complement_process_encoding_system (Lisp_Object);
+
+extern void decode_coding_gap (struct coding_system *,
+ ptrdiff_t, ptrdiff_t);
+extern void decode_coding_object (struct coding_system *,
+ Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t, Lisp_Object);
+extern void encode_coding_object (struct coding_system *,
+ Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t, Lisp_Object);
+
+#if defined (WINDOWSNT) || defined (CYGWIN)
+
+/* These functions use Lisp string objects to store the UTF-16LE
+ strings that modern versions of Windows expect. These strings are
+ not particularly useful to Lisp, and all Lisp strings should be
+ native Emacs multibyte. */
+
+/* Access the wide-character string stored in a Lisp string object. */
+#define WCSDATA(x) ((wchar_t *) SDATA (x))
+
+/* Convert the multi-byte string in STR to UTF-16LE encoded unibyte
+ string, and store it in *BUF. BUF may safely point to STR on entry. */
+extern wchar_t *to_unicode (Lisp_Object str, Lisp_Object *buf);
+
+/* Convert STR, a UTF-16LE encoded string embedded in a unibyte string
+ object, to a multi-byte Emacs string and return it. This function
+ calls code_convert_string_norecord internally and has all its
+ failure modes. STR itself is not modified. */
+extern Lisp_Object from_unicode (Lisp_Object str);
+
+#endif /* WINDOWSNT || CYGWIN */
/* Macros for backward compatibility. */
} 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 Qcoding_system, Qeol_type, Qcoding_category_index;
+extern Lisp_Object Qcoding_category_index;
extern Lisp_Object Qcoding_system_p;
extern Lisp_Object Qraw_text, Qemacs_mule, Qno_conversion, Qundecided;
-extern Lisp_Object Qiso_2022;
extern Lisp_Object Qbuffer_file_coding_system;
extern Lisp_Object Qunix, Qdos, Qmac;
extern Lisp_Object Qtranslation_table;
extern Lisp_Object Qtranslation_table_id;
-/* Mnemonic strings to indicate each type of end-of-line. */
-extern Lisp_Object eol_mnemonic_unix, eol_mnemonic_dos, eol_mnemonic_mac;
-/* Mnemonic string to indicate type of end-of-line is not yet decided. */
-extern Lisp_Object eol_mnemonic_undecided;
-
#ifdef emacs
extern Lisp_Object Qfile_coding_system;
extern Lisp_Object Qcall_process, Qcall_process_region;
extern Lisp_Object Qstart_process, Qopen_network_stream;
extern Lisp_Object Qwrite_region;
-extern char *emacs_strerror P_ ((int));
-
-/* Coding-system for reading files and receiving data from process. */
-extern Lisp_Object Vcoding_system_for_read;
-/* Coding-system for writing files and sending data to process. */
-extern Lisp_Object Vcoding_system_for_write;
-/* Coding-system actually used in the latest I/O. */
-extern Lisp_Object Vlast_coding_system_used;
-/* Coding-system to use with system messages (e.g. strerror). */
-extern Lisp_Object Vlocale_coding_system;
-
-/* If non-zero, process buffer inherits the coding system used to decode
- the subprocess output. */
-extern int inherit_process_coding_system;
+extern char *emacs_strerror (int);
/* Coding system to be used to encode text for terminal display when
terminal coding system is nil. */
extern struct coding_system safe_terminal_coding;
-/* Default coding systems used for process I/O. */
-extern Lisp_Object Vdefault_process_coding_system;
-
-/* Function to call to force a user to force select a propert coding
- system. */
-extern Lisp_Object Vselect_safe_coding_system_function;
-
-/* If nonzero, on writing a file, Vselect_safe_coding_system_function
- is called even if Vcoding_system_for_write is non-nil. */
-extern int coding_system_require_warning;
-
-/* Coding system for file names, or nil if none. */
-extern Lisp_Object Vfile_name_coding_system;
-
-/* Coding system for file names used only when
- Vfile_name_coding_system is nil. */
-extern Lisp_Object Vdefault_file_name_coding_system;
-
#endif
/* Error signaled when there's a problem with detecting coding system */
extern Lisp_Object Qcoding_system_error;
extern char emacs_mule_bytes[256];
-extern int emacs_mule_string_char P_ ((unsigned char *));
#endif /* EMACS_CODING_H */
-
-/* arch-tag: 2bc3b4fa-6870-4f64-8135-b962b2d290e4
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff