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+ − 1 /* Header for CCL (Code Conversion Language) interpreter.
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+ − 2 Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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+ − 3 Licensed to the Free Software Foundation.
+ − 4
+ − 5 This file is part of XEmacs.
+ − 6
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+ − 7 XEmacs is free software; you can redistribute it and/or modify
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+ − 8 it under the terms of the GNU General Public License as published by
+ − 9 the Free Software Foundation; either version 2, or (at your option)
+ − 10 any later version.
+ − 11
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+ − 12 XEmacs is distributed in the hope that it will be useful,
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+ − 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ − 15 GNU General Public License for more details.
+ − 16
+ − 17 You should have received a copy of the GNU General Public License
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+ − 18 along with XEmacs; see the file COPYING. If not, write to
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+ − 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 20 Boston, MA 02111-1307, USA. */
+ − 21
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+ − 22 #ifndef INCLUDED_mule_ccl_h_
+ − 23 #define INCLUDED_mule_ccl_h_
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+ − 24
+ − 25 /* Macros for exit status of CCL program. */
+ − 26 #define CCL_STAT_SUCCESS 0 /* Terminated successfully. */
+ − 27 #define CCL_STAT_SUSPEND_BY_SRC 1 /* Terminated by empty input. */
+ − 28 #define CCL_STAT_SUSPEND_BY_DST 2 /* Terminated by output buffer full. */
+ − 29 #define CCL_STAT_INVALID_CMD 3 /* Terminated because of invalid
+ − 30 command. */
+ − 31 #define CCL_STAT_QUIT 4 /* Terminated because of quit. */
+ − 32
+ − 33 /* Structure to hold information about running CCL code. Read
+ − 34 comments in the file ccl.c for the detail of each field. */
+ − 35 struct ccl_program {
+ − 36 int size; /* Size of the compiled code. */
+ − 37 Lisp_Object *prog; /* Pointer into the compiled code. */
+ − 38 int ic; /* Instruction Counter (index for PROG). */
+ − 39 int eof_ic; /* Instruction Counter for end-of-file
+ − 40 processing code. */
+ − 41 int reg[8]; /* CCL registers, reg[7] is used for
+ − 42 condition flag of relational
+ − 43 operations. */
+ − 44 int private_state; /* CCL instruction may use this
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+ − 45 for private use, mainly for saving
+ − 46 internal states on suspending.
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+ − 47 This variable is set to 0 when ccl is
+ − 48 set up. */
+ − 49 int last_block; /* Set to 1 while processing the last
+ − 50 block. */
+ − 51 int status; /* Exit status of the CCL program. */
+ − 52 int buf_magnification; /* Output buffer magnification. How
+ − 53 many times bigger the output buffer
+ − 54 should be than the input buffer. */
+ − 55 int stack_idx; /* How deep the call of CCL_Call is nested. */
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+ − 56 int eol_type; /* When the CCL program is used for
+ − 57 encoding by a coding system, set to
+ − 58 the eol_type of the coding
+ − 59 system. */
+ − 60 int multibyte; /* 1 if the source text is multibyte. */
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+ − 61 };
+ − 62
+ − 63 #define CCL_MODE_ENCODING 0
+ − 64 #define CCL_MODE_DECODING 1
+ − 65
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+ − 66 #define CCL_CODING_EOL_LF 0 /* Line-feed only, same as Emacs'
+ − 67 internal format. */
+ − 68 #define CCL_CODING_EOL_CRLF 1 /* Sequence of carriage-return and
+ − 69 line-feed. */
+ − 70 #define CCL_CODING_EOL_CR 2 /* Carriage-return only. */
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+ − 71
+ − 72 /* Alist of fontname patterns vs corresponding CCL program. */
+ − 73 extern Lisp_Object Vfont_ccl_encoder_alist;
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+ − 74
+ − 75 /* Setup fields of the structure pointed by CCL appropriately for the
+ − 76 execution of ccl program CCL_PROG (symbol or vector). */
+ − 77 extern int setup_ccl_program (struct ccl_program *, Lisp_Object);
+ − 78
+ − 79 extern int ccl_driver (struct ccl_program *, const unsigned char *,
+ − 80 unsigned_char_dynarr *, int, int *, int);
+ − 81
+ − 82 EXFUN (Fregister_ccl_program, 2);
+ − 83
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+ − 84 extern Lisp_Object Qccl_program;
+ − 85
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+ − 86 /* Vector of CCL program names vs corresponding program data. */
+ − 87 extern Lisp_Object Vccl_program_table;
+ − 88
+ − 89 /* Symbols of ccl program have this property, a value of the property
+ − 90 is an index for Vccl_program_table. */
+ − 91 extern Lisp_Object Qccl_program_idx;
+ − 92
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+ − 93 #endif /* INCLUDED_mule_ccl_h_ */
