version 1.27, 2010/08/20 01:02:07 |
version 1.46, 2011/05/24 21:31:23 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#endif |
#endif |
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#include <assert.h> |
#include <assert.h> |
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#include <ctype.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "chars.h" |
#include "libmandoc.h" |
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#define PRINT_HI 126 |
#define PRINT_HI 126 |
#define PRINT_LO 32 |
#define PRINT_LO 32 |
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const char *code; |
const char *code; |
const char *ascii; |
const char *ascii; |
int unicode; |
int unicode; |
int type; |
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#define CHARS_CHAR (1 << 0) |
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#define CHARS_STRING (1 << 1) |
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#define CHARS_BOTH (CHARS_CHAR | CHARS_STRING) |
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}; |
}; |
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#define LINES_MAX 369 |
#define LINES_MAX 325 |
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#define CHAR(in, ch, code) \ |
#define CHAR(in, ch, code) \ |
{ NULL, (in), (ch), (code), CHARS_CHAR }, |
{ NULL, (in), (ch), (code) }, |
#define STRING(in, ch, code) \ |
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{ NULL, (in), (ch), (code), CHARS_STRING }, |
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#define BOTH(in, ch, code) \ |
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{ NULL, (in), (ch), (code), CHARS_BOTH }, |
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#define CHAR_TBL_START static struct ln lines[LINES_MAX] = { |
#define CHAR_TBL_START static struct ln lines[LINES_MAX] = { |
#define CHAR_TBL_END }; |
#define CHAR_TBL_END }; |
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#include "chars.in" |
#include "chars.in" |
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struct tbl { |
struct mchars { |
enum chars type; |
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struct ln **htab; |
struct ln **htab; |
}; |
}; |
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static inline int match(const struct ln *, |
static inline int match(const struct ln *, const char *, size_t); |
const char *, size_t, int); |
static const struct ln *find(struct mchars *, const char *, size_t); |
static const struct ln *find(struct tbl *, const char *, size_t, int); |
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void |
void |
chars_free(void *arg) |
mchars_free(struct mchars *arg) |
{ |
{ |
struct tbl *tab; |
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tab = (struct tbl *)arg; |
free(arg->htab); |
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free(arg); |
free(tab->htab); |
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free(tab); |
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} |
} |
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struct mchars * |
void * |
mchars_alloc(void) |
chars_init(enum chars type) |
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{ |
{ |
struct tbl *tab; |
struct mchars *tab; |
struct ln **htab; |
struct ln **htab; |
struct ln *pp; |
struct ln *pp; |
int i, hash; |
int i, hash; |
Line 91 chars_init(enum chars type) |
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Line 78 chars_init(enum chars type) |
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* (they're in-line re-ordered during lookup). |
* (they're in-line re-ordered during lookup). |
*/ |
*/ |
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tab = malloc(sizeof(struct tbl)); |
tab = mandoc_malloc(sizeof(struct mchars)); |
if (NULL == tab) { |
htab = mandoc_calloc(PRINT_HI - PRINT_LO + 1, sizeof(struct ln **)); |
perror(NULL); |
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exit(MANDOCLEVEL_SYSERR); |
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} |
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htab = calloc(PRINT_HI - PRINT_LO + 1, sizeof(struct ln **)); |
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if (NULL == htab) { |
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perror(NULL); |
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exit(MANDOCLEVEL_SYSERR); |
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} |
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for (i = 0; i < LINES_MAX; i++) { |
for (i = 0; i < LINES_MAX; i++) { |
hash = (int)lines[i].code[0] - PRINT_LO; |
hash = (int)lines[i].code[0] - PRINT_LO; |
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Line 117 chars_init(enum chars type) |
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Line 95 chars_init(enum chars type) |
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} |
} |
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tab->htab = htab; |
tab->htab = htab; |
tab->type = type; |
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return(tab); |
return(tab); |
} |
} |
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Line 126 chars_init(enum chars type) |
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Line 103 chars_init(enum chars type) |
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* Special character to Unicode codepoint. |
* Special character to Unicode codepoint. |
*/ |
*/ |
int |
int |
chars_spec2cp(void *arg, const char *p, size_t sz) |
mchars_spec2cp(struct mchars *arg, const char *p, size_t sz) |
{ |
{ |
const struct ln *ln; |
const struct ln *ln; |
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ln = find((struct tbl *)arg, p, sz, CHARS_CHAR); |
ln = find(arg, p, sz); |
if (NULL == ln) |
if (NULL == ln) |
return(-1); |
return(-1); |
return(ln->unicode); |
return(ln->unicode); |
} |
} |
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/* |
/* |
* Numbered character string to ASCII codepoint. |
* Reserved word to Unicode codepoint. |
* This can only be a printable character (i.e., alnum, punct, space) so |
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* prevent the character from ruining our state (backspace, newline, and |
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* so on). |
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* If the character is illegal, returns '\0'. |
*/ |
*/ |
int |
char |
chars_res2cp(void *arg, const char *p, size_t sz) |
mchars_num2char(const char *p, size_t sz) |
{ |
{ |
const struct ln *ln; |
int i; |
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ln = find((struct tbl *)arg, p, sz, CHARS_STRING); |
if ((i = mandoc_strntou(p, sz, 10)) < 0) |
if (NULL == ln) |
return('\0'); |
return(-1); |
return(isprint(i) ? i : '\0'); |
return(ln->unicode); |
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} |
} |
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/* |
/* |
* Hex character string to Unicode codepoint. |
* Special character to string array. |
* If the character is illegal, returns '\0'. |
*/ |
*/ |
const char * |
int |
chars_spec2str(void *arg, const char *p, size_t sz, size_t *rsz) |
mchars_num2uc(const char *p, size_t sz) |
{ |
{ |
const struct ln *ln; |
int i; |
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ln = find((struct tbl *)arg, p, sz, CHARS_CHAR); |
if ((i = mandoc_strntou(p, sz, 16)) < 0) |
if (NULL == ln) |
return('\0'); |
return(NULL); |
/* FIXME: make sure we're not in a bogus range. */ |
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return(i > 0x80 && i <= 0x10FFFF ? i : '\0'); |
*rsz = strlen(ln->ascii); |
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return(ln->ascii); |
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} |
} |
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/* |
/* |
* Reserved word to string array. |
* Special character to string array. |
*/ |
*/ |
const char * |
const char * |
chars_res2str(void *arg, const char *p, size_t sz, size_t *rsz) |
mchars_spec2str(struct mchars *arg, const char *p, size_t sz, size_t *rsz) |
{ |
{ |
const struct ln *ln; |
const struct ln *ln; |
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ln = find((struct tbl *)arg, p, sz, CHARS_STRING); |
ln = find(arg, p, sz); |
if (NULL == ln) |
if (NULL == ln) |
return(NULL); |
return(NULL); |
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Line 185 chars_res2str(void *arg, const char *p, size_t sz, siz |
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Line 161 chars_res2str(void *arg, const char *p, size_t sz, siz |
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return(ln->ascii); |
return(ln->ascii); |
} |
} |
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static const struct ln * |
static const struct ln * |
find(struct tbl *tab, const char *p, size_t sz, int type) |
find(struct mchars *tab, const char *p, size_t sz) |
{ |
{ |
struct ln *pp, *prev; |
struct ln *pp, *prev; |
struct ln **htab; |
struct ln **htab; |
Line 213 find(struct tbl *tab, const char *p, size_t sz, int ty |
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Line 188 find(struct tbl *tab, const char *p, size_t sz, int ty |
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return(NULL); |
return(NULL); |
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for (prev = NULL; pp; pp = pp->next) { |
for (prev = NULL; pp; pp = pp->next) { |
if ( ! match(pp, p, sz, type)) { |
if ( ! match(pp, p, sz)) { |
prev = pp; |
prev = pp; |
continue; |
continue; |
} |
} |
Line 230 find(struct tbl *tab, const char *p, size_t sz, int ty |
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Line 205 find(struct tbl *tab, const char *p, size_t sz, int ty |
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return(NULL); |
return(NULL); |
} |
} |
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static inline int |
static inline int |
match(const struct ln *ln, const char *p, size_t sz, int type) |
match(const struct ln *ln, const char *p, size_t sz) |
{ |
{ |
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if ( ! (ln->type & type)) |
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return(0); |
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if (strncmp(ln->code, p, sz)) |
if (strncmp(ln->code, p, sz)) |
return(0); |
return(0); |
return('\0' == ln->code[(int)sz]); |
return('\0' == ln->code[(int)sz]); |