version 1.20, 2010/06/19 20:46:27 |
version 1.39, 2011/04/30 22:24:31 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009 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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#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "chars.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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struct ln *next; |
struct ln *next; |
const char *code; |
const char *code; |
const char *ascii; |
const char *ascii; |
const char *html; |
int unicode; |
size_t codesz; |
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size_t asciisz; |
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size_t htmlsz; |
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int type; |
int type; |
#define CHARS_CHAR (1 << 0) |
#define CHARS_CHAR (1 << 0) |
#define CHARS_STRING (1 << 1) |
#define CHARS_STRING (1 << 1) |
#define CHARS_BOTH (CHARS_CHAR | CHARS_STRING) |
#define CHARS_BOTH (CHARS_CHAR | CHARS_STRING) |
}; |
}; |
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#define LINES_MAX 370 |
#define LINES_MAX 353 |
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#define CHAR(w, x, y, z, a, b) \ |
#define CHAR(in, ch, code) \ |
{ NULL, (w), (y), (a), (x), (z), (b), CHARS_CHAR }, |
{ NULL, (in), (ch), (code), CHARS_CHAR }, |
#define STRING(w, x, y, z, a, b) \ |
#define STRING(in, ch, code) \ |
{ NULL, (w), (y), (a), (x), (z), (b), CHARS_STRING }, |
{ NULL, (in), (ch), (code), CHARS_STRING }, |
#define BOTH(w, x, y, z, a, b) \ |
#define BOTH(in, ch, code) \ |
{ NULL, (w), (y), (a), (x), (z), (b), CHARS_BOTH }, |
{ 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, int); |
const char *, size_t, int); |
static const char *find(struct tbl *, const char *, |
static const struct ln *find(struct mchars *, const char *, size_t, int); |
size_t, 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 95 chars_init(enum chars type) |
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Line 85 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(EXIT_FAILURE); |
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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(EXIT_FAILURE); |
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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 121 chars_init(enum chars type) |
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Line 102 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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const char * |
/* |
chars_a2ascii(void *arg, const char *p, size_t sz, size_t *rsz) |
* Special character to Unicode codepoint. |
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*/ |
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int |
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mchars_spec2cp(struct mchars *arg, const char *p, size_t sz) |
{ |
{ |
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const struct ln *ln; |
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return(find((struct tbl *)arg, p, sz, rsz, CHARS_CHAR)); |
ln = find(arg, p, sz, CHARS_CHAR); |
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if (NULL == ln) |
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return(-1); |
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return(ln->unicode); |
} |
} |
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/* |
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* Reserved word to Unicode codepoint. |
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*/ |
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int |
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mchars_res2cp(struct mchars *arg, const char *p, size_t sz) |
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{ |
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const struct ln *ln; |
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ln = find(arg, p, sz, CHARS_STRING); |
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if (NULL == ln) |
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return(-1); |
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return(ln->unicode); |
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} |
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/* |
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* Numbered character to literal character. |
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*/ |
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char |
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mchars_num2char(const char *p, size_t sz) |
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{ |
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int i; |
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if (sz > 3) |
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return('\0'); |
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i = atoi(p); |
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/* |
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* FIXME: |
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* This is wrong. Anything could be written here! |
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* This should be carefully screened for possible characters. |
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*/ |
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return(i <= 0 || i > 255 ? '\0' : (char)i); |
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} |
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/* |
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* Special character to string array. |
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*/ |
const char * |
const char * |
chars_a2res(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) |
{ |
{ |
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const struct ln *ln; |
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return(find((struct tbl *)arg, p, sz, rsz, CHARS_STRING)); |
ln = find(arg, p, sz, CHARS_CHAR); |
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if (NULL == ln) |
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return(NULL); |
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*rsz = strlen(ln->ascii); |
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return(ln->ascii); |
} |
} |
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static const char * |
/* |
find(struct tbl *tab, const char *p, size_t sz, size_t *rsz, int type) |
* Reserved word to string array. |
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*/ |
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const char * |
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mchars_res2str(struct mchars *arg, const char *p, size_t sz, size_t *rsz) |
{ |
{ |
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const struct ln *ln; |
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ln = find(arg, p, sz, CHARS_STRING); |
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if (NULL == ln) |
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return(NULL); |
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*rsz = strlen(ln->ascii); |
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return(ln->ascii); |
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} |
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static const struct ln * |
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find(struct mchars *tab, const char *p, size_t sz, int type) |
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{ |
struct ln *pp, *prev; |
struct ln *pp, *prev; |
struct ln **htab; |
struct ln **htab; |
int hash; |
int hash; |
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assert(p); |
assert(p); |
assert(sz > 0); |
if (0 == sz) |
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return(NULL); |
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if (p[0] < PRINT_LO || p[0] > PRINT_HI) |
if (p[0] < PRINT_LO || p[0] > PRINT_HI) |
return(NULL); |
return(NULL); |
Line 179 find(struct tbl *tab, const char *p, size_t sz, size_t |
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Line 228 find(struct tbl *tab, const char *p, size_t sz, size_t |
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htab[hash] = pp; |
htab[hash] = pp; |
} |
} |
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if (CHARS_HTML == tab->type) { |
return(pp); |
*rsz = pp->htmlsz; |
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return(pp->html); |
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} |
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*rsz = pp->asciisz; |
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return(pp->ascii); |
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} |
} |
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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, int type) |
{ |
{ |
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if ( ! (ln->type & type)) |
if ( ! (ln->type & type)) |
return(0); |
return(0); |
if (ln->codesz != sz) |
if (strncmp(ln->code, p, sz)) |
return(0); |
return(0); |
return(0 == strncmp(ln->code, p, sz)); |
return('\0' == ln->code[(int)sz]); |
} |
} |