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(struct iso2022_spec): Member requested_designation is

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changed to array of `char' just for saving memory.
(CODING_FLAG_ISO_INIT_AT_BOL, CODING_FLAG_ISO_DESIGNATE_AT_BOL):
New macros.
This commit is contained in:
Kenichi Handa 1997-02-27 11:07:46 +00:00
parent 8fb379fdac
commit 8ddb35b2ab
1 changed files with 14 additions and 4 deletions
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18
src/coding.h
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@ -128,6 +128,14 @@ enum iso_code_class_type
/* If set, do not produce ISO6429's direction specifying sequence. */ /* If set, do not produce ISO6429's direction specifying sequence. */
#define CODING_FLAG_ISO_NO_DIRECTION 0x0100 #define CODING_FLAG_ISO_NO_DIRECTION 0x0100
/* If set, assume designation states are reset at beginning of line on
output. */
#define CODING_FLAG_ISO_INIT_AT_BOL 0x0200
/* If set, designation sequence should be placed at beginning of line
on output. */
#define CODING_FLAG_ISO_DESIGNATE_AT_BOL 0x0400
/* Structure of the field `spec.iso2022' in the structure `coding_system'. */ /* Structure of the field `spec.iso2022' in the structure `coding_system'. */
struct iso2022_spec struct iso2022_spec
{ {
@ -141,11 +149,14 @@ struct iso2022_spec
int initial_designation[4]; int initial_designation[4];
/* A graphic register to which each charset should be designated. */ /* A graphic register to which each charset should be designated. */
int requested_designation[MAX_CHARSET]; char requested_designation[MAX_CHARSET];
/* Set to 1 temporarily only when graphic register 2 or 3 is invoked /* Set to 1 temporarily only when graphic register 2 or 3 is invoked
by single-shift while encoding. */ by single-shift while encoding. */
int single_shifting; int single_shifting;
/* Set to 1 temporarily only when processing at beginning of line. */
int bol;
}; };
/* Macros to access each field in the structure `spec.iso2022'. */ /* Macros to access each field in the structure `spec.iso2022'. */
@ -157,11 +168,10 @@ struct iso2022_spec
coding->spec.iso2022.initial_designation[reg] coding->spec.iso2022.initial_designation[reg]
#define CODING_SPEC_ISO_REQUESTED_DESIGNATION(coding, charset) \ #define CODING_SPEC_ISO_REQUESTED_DESIGNATION(coding, charset) \
coding->spec.iso2022.requested_designation[charset] coding->spec.iso2022.requested_designation[charset]
/* Set to 1 temporarily only when encoding a character with
single-shift function. */
#define CODING_SPEC_ISO_SINGLE_SHIFTING(coding) \ #define CODING_SPEC_ISO_SINGLE_SHIFTING(coding) \
coding->spec.iso2022.single_shifting coding->spec.iso2022.single_shifting
#define CODING_SPEC_ISO_BOL(coding) \
coding->spec.iso2022.bol
/* Return a charset which is currently designated to the graphic plane /* Return a charset which is currently designated to the graphic plane
PLANE in the coding-system CODING. */ PLANE in the coding-system CODING. */