/* Header for coding system handler.
- Copyright (C) 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H14PRO021
Copyright (C) 2003
#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) (struct coding_system *,
- struct coding_detection_info *);
+ bool (*detector) (struct coding_system *, struct coding_detection_info *);
void (*decoder) (struct coding_system *);
- int (*encoder) (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)
? code_convert_string_norecord (str, Vlocale_coding_system, 0) \
: str)
-/* Used by the gtk menu code. Note that this encodes utf-8, not
- utf-8-emacs, so it's not a no-op. */
+/* Note that this encodes utf-8, not utf-8-emacs, so it's not a no-op. */
#define ENCODE_UTF_8(str) code_convert_string_norecord (str, Qutf_8, 1)
/* Extern declarations. */
-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 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 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);
+ Lisp_Object, bool, bool, bool);
extern Lisp_Object code_convert_string_norecord (Lisp_Object, Lisp_Object,
- int);
+ 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 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_gap (struct coding_system *,
+ ptrdiff_t, ptrdiff_t);
extern void decode_coding_object (struct coding_system *,
- Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT, Lisp_Object);
+ Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t, Lisp_Object);
extern void encode_coding_object (struct coding_system *,
- Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT, Lisp_Object);
+ Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t, Lisp_Object);
/* Macros for backward compatibility. */
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 char *emacs_strerror (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;
-
/* 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;
-
-/* 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;
-
-/* 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 (unsigned char *);
#endif /* EMACS_CODING_H */
-
-/* arch-tag: 2bc3b4fa-6870-4f64-8135-b962b2d290e4
- (do not change this comment) */