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/*
* Jeffrey Friedl
* Omron Corporation ʳ
* Nagaokakyoshi, Japan 617Ĺ
*
* jfriedl@nff.ncl.omron.co.jp
*
* This work is placed under the terms of the GNU General Purpose License
* (the "GNU Copyleft").
*/
/*
* This program contains EUC-encoded Japanese text.
* If some 8bit-unfriendly program were to strip it, things won't compile.
* If this box -->[]<-- is empty, this file is OK. If you see a comment-
* close there, it's been stripped and you're screwed.
*/
#include <string.h>
#ifndef MAX_LOADED_FILES
# define MAX_LOADED_FILES 10
#endif
#ifndef MAX_PATS_ON_ONE_LINE
# define MAX_PATS_ON_ONE_LINE 10
#endif
/* set defaults */
#define HAVE_SPINNER
#define LOG_FILE_SUPPORT
#include "lib/virtfile.h"
/*
* SERVER_CONFIG
* See the comments in lookup.c at service_socket() for info about
* the lookup server.
*/
#ifdef SERVER_CONFIG
# undef LOG_FILE_SUPPORT
# undef HAVE_SPINNER
# define SERV_TCP_PORT 9827 /* some random number */
#else
# ifndef USE_LOCAL_OUTPUT
# undef LOG_FILE_SUPPORT
# endif
#endif
#define string unsigned char
#define String const unsigned char
struct flags
{
unsigned word:1; /* if true, whole-word matches take precidence */
unsigned fuzz:1; /* if true, fuzzification done when appropriate */
unsigned fold:1; /* if true, case folding on */
unsigned highlight:1;/* if true, matched part of line highlighted */
unsigned filter:1; /* if true, FILTER_SPEC exists and is enabled */
unsigned modify:1; /* if true, MODIFY_SPEC exists and is enabled */
unsigned autokana:1; /* if true, automatic kana conversion on */
unsigned tag:1; /* if true, TAG_STRING prepended to matched lines */
unsigned display:1; /* if true, matching lines are shown */
unsigned glob:1; /* if true, patterns are wildcard globs, not regexes */
/* the following only used in lookup.flags */
unsigned debug:1;
unsigned regex_debug:1;
unsigned cmd_debug:1;
unsigned verbose:1;
unsigned hl_style:4;
#define HL_STYLE_INVERSE 0
#define HL_STYLE_BOLD 1
#define HL_STYLE_UNDERLINE 2
#define HL_STYLE_FLASH 3
#define HL_STYLE_RED 4
#define HL_STYLE_GREEN 5
#define HL_STYLE_YELLOW 6
#define HL_STYLE_BLUE 7
#define HL_STYLE_PURPLE 8
#define HL_STYLE_CYAN 9
#define HL_STYLE_WHITE 10
#define HL_STYLE_BLACK 11
#define HL_STYLE_HTML 12 /* text in highlight_tag below */
#define DECL_STYLES const char *styles[] = \
{ \
"\033[7m" , /* inverse */ \
"\033[1m" , /* bold */ \
"\033[4m" , /* underline */ \
"\033[5m" , /* flashing */ \
"\033[31m", /* red */ \
"\033[32m", /* green */ \
"\033[33m", /* yellow */ \
"\033[34m", /* blue */ \
"\033[35m", /* purple */ \
"\033[36m", /* cyan */ \
"\033[37m", /* white */ \
"\033[30m", /* black */ \
};
};
/*
* Stuff about a file loaded in a slot.
*/
struct slot_info
{
struct flags default_flag; /* Flags as they apply to this file. */
struct flags current_flag; /* Flags as they apply during a command */
String *prompt_format; /* prompt string specific for this file */
struct fileinfo *file; /* File and index (null if a COMBO) */
union
{
struct {
struct { /* The modify info, if any. */
String *pattern; /* Regex to match (null if no modify) */
regex_t regex; /* The compiled regex itself. */
String *replacement; /* String to replace. */
unsigned global; /* True if it's a global replacement. */
} _modify_;
#define modify_spec onefile_or_combo.onefile._modify_
struct { /* The filter info, if any. */
String *pattern; /* Regex to match (null if no filte) */
regex_t regex; /* The compiled regex itself. */
String *name; /* Optional name of the filter. */
unsigned negative:1; /* True if "filter if no match". */
} _filter_;
#define filter_spec onefile_or_combo.onefile._filter_
String *_tag_; /* string to print before each output line */
#define tag_string onefile_or_combo.onefile._tag_
String *_highlight_tag_; /* for HTML highlighting */
#define highlight_tag onefile_or_combo.onefile._highlight_tag_
} onefile;
struct
{
String *name; /* name of combo */
unsigned char entries;
unsigned char entry[MAX_LOADED_FILES];
} _combo_;
#define combo onefile_or_combo._combo_
} onefile_or_combo;
};
#define COMBO(SLOT_INFO) ((SLOT_INFO)->file == 0)
/*
* General global variables.
*/
struct lookup
{
struct flags flag;
unsigned char cmdstart_char;
unsigned char percent;
long int max_lines_to_print;
long int lines_to_print_this_time;
String *prompt_format; /* current prompt format string */
struct slot_info *slot_info[MAX_LOADED_FILES];
unsigned slots; /* number of used entries in slot[] */
struct slot_info *default_slot; /* the default selected slot */
struct slot_info *slot; /* slot to use for this command */
String *where; /* for error messages, indicates source of command */
const char *prog; /* argv[0] */
const char *prog_short; /* prog, but with any leading path stripped */
struct /* various line counts, grouped for clarity. */
{
unsigned long checked; /* lines checked during search. */
unsigned long matched; /* lines that matched during search. */
unsigned long printed; /* lines printed during search. */
unsigned long nonword; /* nonword lines elided during search. */
unsigned long filtered; /* filtered lines elided during search. */
} count;
struct /* the saved-line info */
{
struct {
const struct slot_info *slot;
fileloc line;
} *array;
unsigned size; /* Size of array[]. */
unsigned used; /* Elements of array[] currently used. */
unsigned overflow; /* Number of elements that couldn't fit. */
} list;
struct /* regexes we need to check. */
{
String *pattern; /* Regex string */
regex_t regex; /* Actual compiled regex. */
unsigned char not; /* True if we want nonmatching lines. */
} search[MAX_PATS_ON_ONE_LINE];
int patterns; /* valid elements in search[] */
#ifdef HAVE_SPINNER
struct /* stuff to do with the spinner */
{
String *chars;
unsigned short interval;
unsigned char char_count;
} spinner;
#endif /* HAVE_SPINNER */
};
/*
* Flags for read_command_from_file() and parse_command().
*/
#define CMD_GENERAL 0x0001
#define CMD_FILE_ONLY 0x0010 /* command allowed only in a script */
#define CMD_INTERACTIVE 0x0020 /* command not allowed in a file */
#define CMD_LOAD_RELATED 0x0040 /* skip in .lookup if cmdline load */
#define CMD_ENCODING_RELATED 0x0080 /* skip in .lookup if cmdline -jis */
#define CMD_NEEDS_SLOT 0x0100 /* only allow if lookup.slot defined */
#define _IS_COMPILED_ 0x1000 /* -- private -- */
/*
* Possible return values of parse_command()
*/
#define COMMAND_EXECUTED_OK 10
#define COMMAND_EXECUTED_WITH_ERROR 11
#define COMMAND_NOT_FOUND 12
#define COMMAND_SKIPPED 13
/*
* Return value of read_commands_from_file()
*/
#define FILE_READ_OK 0
#define FILE_NOT_FOUND 1
#define FILE_HAS_UNKNOWN_COMMAND 2
#define FILE_HAS_BAD_COMMAND 3
/* defined in lookup.c */
extern struct lookup lookup;
extern const char *expand_filename_tilde(const char *filename);
extern String *gen_prompt(String *template, int showerror);
extern int slot_num(struct slot_info *s);
extern int load_file(const char *filename, unsigned flag);
extern void process_input_line(string *input, int forced_search);
extern int exit_program_now;
extern String *current_log_file;
/* defined in command.c */
extern int cmd_list_size(String *spec);
extern int cmd_show(void);
extern int cmd_output_encoding(String *, String *, String *, String *);
extern int cmd_version(void);
extern int parse_command(String *, unsigned, unsigned, unsigned);
extern int quick_command(String *str);
extern int read_commands_from_file(const char *, unsigned, unsigned);
extern int cmd_log(int closelog, int append, String *file);
/* defined in apply_regex.c */
extern unsigned linelength(const struct fileinfo *fileinfo, String *line);
extern void output_line(const struct slot_info *, String *, unsigned);
extern void apply_regex(void);
extern volatile unsigned apply_regex_abort;
/* defined in version.c */
extern const char version_string[];
extern const char version_date[];
extern const char compile_date[];
extern const char author_name[];
extern const char contact_addr[];
/*
* General cruft.
*/
#define array_elements(array) (sizeof(array)/sizeof(array[0]))
#define generic(ptr) ((void *)(string *)(ptr))
#define Generic(ptr) ((void *)(String *)(ptr))
#define str_len(X) strlen(Generic(X))
#define strNcmp(X, Y, LEN) strncmp(Generic(X), Generic(Y), (LEN))
#define str_cmp(X, Y) strcmp(Generic(X), Generic(Y))
#define str_cpy(X, Y) strcpy(generic(X), Generic(Y))
#define str_cat(X, Y) strcat(generic(X), Generic(Y))
#define str_eql(X, Y) (!str_cmp((X), (Y)))
#if !defined(__GNUC__)
# if !defined(__volatile__)
# define __volatile__ /*nothing; for use with volatile functions */
# endif
# if !defined(__inline__)
# define __inline__ /*nothing; for use with volatile functions */
# endif
#endif
#if 1
# define quote(stuff) "" #stuff "" /* do it like this */
#else
# define quote(stuff) " \"" #stuff "\" " /* do it like "this" */
# define quote(stuff) " ``" #stuff "'' " /* do it like ``this'' */
# define quote(stuff) " `" #stuff "' " /* do it like `this' */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
# define quote(stuff) "" #stuff "" /* do it like this */
#endif
/* some general system-V stuff */
#if defined(__svr4__) || defined(__DGUX__)
# define index strchr
# define rindex strrchr
# define bcopy(FROM, TO, LENGTH) memcpy(TO, FROM, LENGTH)
# if !defined(__DGUX__) /* DGUX memset is broken */
# define bzero(ADDR, LENGTH) memset(ADDR, LENGTH, 0)
# endif
#endif
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