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Move magic related definitions from estruct.h to search.c. Review search.h accordingly.
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parent
870989f948
commit
f99fe6fe54
4
Makefile
4
Makefile
@ -180,8 +180,8 @@ random.o: random.c random.h basic.h buffer.h crypt.h line.h utf8.h \
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window.h defines.h
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region.o: region.c region.h line.h utf8.h buffer.h crypt.h estruct.h \
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retcode.h edef.h log.h window.h defines.h
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search.o: search.c search.h estruct.h retcode.h basic.h buffer.h crypt.h \
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line.h utf8.h display.h edef.h input.h log.h window.h defines.h
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search.o: search.c search.h line.h utf8.h basic.h buffer.h crypt.h \
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display.h edef.h estruct.h retcode.h input.h log.h window.h defines.h
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spawn.o: spawn.c spawn.h defines.h buffer.h crypt.h line.h utf8.h \
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display.h estruct.h retcode.h edef.h file.h flook.h input.h log.h \
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window.h
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56
estruct.h
56
estruct.h
@ -157,8 +157,8 @@
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#define APROP 1 /* Add code for Apropos command */
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#if 0
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#define CRYPT 1 /* file encryption enabled? */
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#endif
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#define MAGIC 1 /* include regular expression matching? */
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#endif
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#define AEDIT 1 /* advanced editing options: en/detabbing */
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#define PROC 1 /* named procedures */
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#define CLEAN 0 /* de-alloc memory on exit */
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@ -503,59 +503,5 @@ struct while_block {
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#endif
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#if defined(MAGIC)
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/*
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* Defines for the metacharacters in the regular expression
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* search routines.
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*/
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#define MCNIL 0 /* Like the '\0' for strings. */
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#define LITCHAR 1 /* Literal character, or string. */
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#define ANY 2
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#define CCL 3
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#define NCCL 4
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#define BOL 5
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#define EOL 6
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#define DITTO 7
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#define CLOSURE 256 /* An or-able value. */
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#define MASKCL (CLOSURE - 1)
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#define MC_ANY '.' /* 'Any' character (except newline). */
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#define MC_CCL '[' /* Character class. */
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#define MC_NCCL '^' /* Negate character class. */
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#define MC_RCCL '-' /* Range in character class. */
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#define MC_ECCL ']' /* End of character class. */
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#define MC_BOL '^' /* Beginning of line. */
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#define MC_EOL '$' /* End of line. */
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#define MC_CLOSURE '*' /* Closure - does not extend past newline. */
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#define MC_DITTO '&' /* Use matched string in replacement. */
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#define MC_ESC '\\' /* Escape - suppress meta-meaning. */
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#define BIT(n) (1 << (n)) /* An integer with one bit set. */
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#define CHCASE(c) ((c) ^ DIFCASE) /* Toggle the case of a letter. */
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/* HICHAR - 1 is the largest character we will deal with.
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* HIBYTE represents the number of bytes in the bitmap.
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*/
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#define HICHAR 256
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#define HIBYTE HICHAR >> 3
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/* Typedefs that define the meta-character structure for MAGIC mode searching
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* (struct magic), and the meta-character structure for MAGIC mode replacement
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* (struct magic_replacement).
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*/
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struct magic {
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short int mc_type;
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union {
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int lchar;
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char *cclmap;
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} u;
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};
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struct magic_replacement {
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short int mc_type;
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char *rstr;
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};
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#endif /* MAGIC */
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#endif
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57
search.c
57
search.c
@ -65,7 +65,6 @@
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#include "basic.h"
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#include "buffer.h"
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#include "display.h"
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#include "estruct.h"
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#include "edef.h"
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#include "input.h"
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#include "line.h"
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@ -73,6 +72,58 @@
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#include "window.h"
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#if defined(MAGIC)
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/*
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* Defines for the metacharacters in the regular expression
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* search routines.
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*/
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#define MCNIL 0 /* Like the '\0' for strings. */
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#define LITCHAR 1 /* Literal character, or string. */
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#define ANY 2
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#define CCL 3
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#define NCCL 4
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#define BOL 5
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#define EOL 6
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#define DITTO 7
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#define CLOSURE 256 /* An or-able value. */
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#define MASKCL (CLOSURE - 1)
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#define MC_ANY '.' /* 'Any' character (except newline). */
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#define MC_CCL '[' /* Character class. */
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#define MC_NCCL '^' /* Negate character class. */
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#define MC_RCCL '-' /* Range in character class. */
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#define MC_ECCL ']' /* End of character class. */
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#define MC_BOL '^' /* Beginning of line. */
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#define MC_EOL '$' /* End of line. */
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#define MC_CLOSURE '*' /* Closure - does not extend past newline. */
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#define MC_DITTO '&' /* Use matched string in replacement. */
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#define MC_ESC '\\' /* Escape - suppress meta-meaning. */
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#define BIT(n) (1 << (n)) /* An integer with one bit set. */
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#define CHCASE(c) ((c) ^ DIFCASE) /* Toggle the case of a letter. */
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/* HICHAR - 1 is the largest character we will deal with.
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* HIBYTE represents the number of bytes in the bitmap.
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*/
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#define HICHAR 256
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#define HIBYTE HICHAR >> 3
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/* Typedefs that define the meta-character structure for MAGIC mode searching
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* (struct magic), and the meta-character structure for MAGIC mode replacement
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* (struct magic_replacement).
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*/
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struct magic {
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short int mc_type;
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union {
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int lchar;
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char *cclmap;
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} u;
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};
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struct magic_replacement {
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short int mc_type;
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char *rstr;
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};
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/*
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* The variables magical and rmagical determine if there
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* were actual metacharacters in the search and replace strings -
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@ -84,6 +135,8 @@ static short int rmagical;
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static struct magic mcpat[NPAT]; /* The magic pattern. */
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static struct magic tapcm[NPAT]; /* The reversed magic patterni. */
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static struct magic_replacement rmcpat[NPAT]; /* The replacement magic array. */
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static int mcscanner( struct magic *mcpatrn, int direct, int beg_or_end) ;
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#endif
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static int amatch(struct magic *mcptr, int direct, struct line **pcwline, int *pcwoff);
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@ -309,7 +362,7 @@ int backhunt(int f, int n)
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* int direct; which way to go.
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* int beg_or_end; put point at beginning or end of pattern.
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*/
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int mcscanner(struct magic *mcpatrn, int direct, int beg_or_end)
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static int mcscanner(struct magic *mcpatrn, int direct, int beg_or_end)
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{
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struct line *curline; /* current line during scan */
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int curoff; /* position within current line */
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8
search.h
8
search.h
@ -1,13 +1,14 @@
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#ifndef _SEARCH_H_
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#define _SEARCH_H_
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#include "estruct.h"
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#define MAGIC 1
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#include "line.h"
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int forwsearch( int f, int n) ;
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int forwhunt( int f, int n) ;
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int backsearch( int f, int n) ;
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int backhunt( int f, int n) ;
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int mcscanner( struct magic *mcpatrn, int direct, int beg_or_end) ;
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int scanner( const char *patrn, int direct, int beg_or_end) ;
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int eq( unsigned char bc, unsigned char pc) ;
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void savematch( void) ;
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@ -17,7 +18,10 @@ int qreplace( int f, int n) ;
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int delins( int dlength, char *instr, int use_meta) ;
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int expandp( char *srcstr, char *deststr, int maxlength) ;
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int boundry( struct line *curline, int curoff, int dir) ;
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#if MAGIC
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void mcclear( void) ;
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void rmcclear( void) ;
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#endif
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#endif
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