version 1.9, 2009/11/07 14:14:15 |
version 1.29, 2010/08/29 11:28:09 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* 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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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
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#include "out.h" |
#include "out.h" |
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#ifdef __linux__ |
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extern size_t strlcat(char *, const char *, size_t); |
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#endif |
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/* |
/* |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
* units are documented in groff.7, mdoc.7, man.7. |
* units are documented in groff.7, mdoc.7, man.7. |
Line 116 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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Line 116 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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return(0); |
return(0); |
} |
} |
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/* FIXME: do this in the caller. */ |
if ((dst->scale = atof(buf)) < 0) |
if ((dst->scale = atof(buf)) < 0) |
dst->scale = 0; |
dst->scale = 0; |
dst->unit = unit; |
dst->unit = unit; |
dst->pt = hasd; |
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return(1); |
return(1); |
} |
} |
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Line 167 time2a(time_t t, char *dst, size_t sz) |
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Line 166 time2a(time_t t, char *dst, size_t sz) |
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} |
} |
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/* Returns length of parsed string. */ |
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int |
int |
a2roffdeco(enum roffdeco *d, |
a2roffdeco(enum roffdeco *d, const char **word, size_t *sz) |
const char **word, size_t *sz) |
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{ |
{ |
int j, type, sv, t, lim; |
int i, j, lim; |
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char term, c; |
const char *wp; |
const char *wp; |
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enum roffdeco dd; |
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*d = DECO_NONE; |
*d = DECO_NONE; |
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lim = i = 0; |
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term = '\0'; |
wp = *word; |
wp = *word; |
type = 1; |
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switch (*wp) { |
switch ((c = wp[i++])) { |
case ('\0'): |
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return(0); |
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case ('('): |
case ('('): |
wp++; |
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if ('\0' == *wp) |
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return(1); |
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if ('\0' == *(wp + 1)) |
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return(2); |
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*d = DECO_SPECIAL; |
*d = DECO_SPECIAL; |
*sz = 2; |
lim = 2; |
*word = wp; |
break; |
return(3); |
case ('F'): |
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/* FALLTHROUGH */ |
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case ('f'): |
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*d = 'F' == c ? DECO_FFONT : DECO_FONT; |
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case ('*'): |
switch (wp[i++]) { |
wp++; |
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switch (*wp) { |
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case ('\0'): |
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return(1); |
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case ('('): |
case ('('): |
wp++; |
lim = 2; |
if ('\0' == *wp) |
break; |
return(2); |
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if ('\0' == *(wp + 1)) |
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return(3); |
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*d = DECO_RESERVED; |
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*sz = 2; |
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*word = wp; |
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return(4); |
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case ('['): |
case ('['): |
type = 0; |
term = ']'; |
break; |
break; |
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default: |
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*d = DECO_RESERVED; |
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*sz = 1; |
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*word = wp; |
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return(2); |
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} |
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break; |
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#if 0 |
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case ('s'): |
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wp++; |
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/* This closely follows mandoc_special(). */ |
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if ('\0' == *wp) |
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return(1); |
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t = 0; |
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lim = 1; |
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if (*wp == '\'') { |
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lim = 0; |
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t = 1; |
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++wp; |
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} else if (*wp == '[') { |
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lim = 0; |
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t = 2; |
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++wp; |
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} else if (*wp == '(') { |
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lim = 2; |
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t = 3; |
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++wp; |
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} |
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if (*wp == '+' || *wp == '-') |
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++wp; |
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if (*wp == '\'') { |
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if (t) { |
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*word = wp; |
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return; |
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} |
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lim = 0; |
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t = 1; |
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++wp; |
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} else if (*wp == '[') { |
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if (t) { |
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*word = wp; |
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return; |
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} |
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lim = 0; |
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t = 2; |
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++wp; |
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} else if (*wp == '(') { |
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if (t) { |
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*word = wp; |
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return; |
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} |
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lim = 2; |
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t = 3; |
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++wp; |
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} |
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if ( ! isdigit((u_char)*wp)) { |
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*word = --wp; |
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return; |
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} |
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for (j = 0; isdigit((u_char)*wp); j++) { |
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if (lim && j >= lim) |
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break; |
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++wp; |
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} |
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if (t && t < 3) { |
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if (1 == t && *wp != '\'') { |
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*word = --wp; |
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return; |
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} |
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if (2 == t && *wp != ']') { |
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*word = --wp; |
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return; |
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} |
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++wp; |
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} |
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*word = --wp; |
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return; |
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#endif |
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case ('f'): |
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wp++; |
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switch (*wp) { |
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case ('\0'): |
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return(1); |
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case ('3'): |
case ('3'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('B'): |
case ('B'): |
*d = DECO_BOLD; |
*d = DECO_BOLD; |
break; |
return(i); |
case ('2'): |
case ('2'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('I'): |
case ('I'): |
*d = DECO_ITALIC; |
*d = DECO_ITALIC; |
break; |
return(i); |
case ('P'): |
case ('P'): |
*d = DECO_PREVIOUS; |
*d = DECO_PREVIOUS; |
break; |
return(i); |
case ('1'): |
case ('1'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('R'): |
case ('R'): |
*d = DECO_ROMAN; |
*d = DECO_ROMAN; |
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return(i); |
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default: |
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i--; |
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lim = 1; |
break; |
break; |
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} |
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break; |
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case ('k'): |
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/* FALLTHROUGH */ |
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case ('M'): |
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/* FALLTHROUGH */ |
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case ('m'): |
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/* FALLTHROUGH */ |
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case ('*'): |
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if ('*' == c) |
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*d = DECO_RESERVED; |
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switch (wp[i++]) { |
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case ('('): |
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lim = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
default: |
default: |
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i--; |
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lim = 1; |
break; |
break; |
} |
} |
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break; |
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case ('h'): |
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/* FALLTHROUGH */ |
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case ('v'): |
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/* FALLTHROUGH */ |
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case ('s'): |
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j = 0; |
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if ('+' == wp[i] || '-' == wp[i]) { |
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i++; |
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j = 1; |
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} |
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return(2); |
switch (wp[i++]) { |
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case ('('): |
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lim = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
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case ('\''): |
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term = '\''; |
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break; |
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case ('0'): |
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j = 1; |
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/* FALLTHROUGH */ |
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default: |
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i--; |
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lim = 1; |
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break; |
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} |
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if ('+' == wp[i] || '-' == wp[i]) { |
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if (j) |
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return(i); |
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i++; |
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} |
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/* Handle embedded numerical subexp or escape. */ |
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if ('(' == wp[i]) { |
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while (wp[i] && ')' != wp[i]) |
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if ('\\' == wp[i++]) { |
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/* Handle embedded escape. */ |
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*word = &wp[i]; |
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i += a2roffdeco(&dd, word, sz); |
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} |
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if (')' == wp[i++]) |
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break; |
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*d = DECO_NONE; |
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return(i - 1); |
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} else if ('\\' == wp[i]) { |
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*word = &wp[++i]; |
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i += a2roffdeco(&dd, word, sz); |
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} |
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break; |
case ('['): |
case ('['): |
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*d = DECO_SPECIAL; |
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term = ']'; |
break; |
break; |
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case ('c'): |
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*d = DECO_NOSPACE; |
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return(i); |
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case ('z'): |
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*d = DECO_NONE; |
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if ('\\' == wp[i]) { |
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*word = &wp[++i]; |
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return(i + a2roffdeco(&dd, word, sz)); |
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} else |
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lim = 1; |
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break; |
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case ('o'): |
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/* FALLTHROUGH */ |
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case ('w'): |
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if ('\'' == wp[i++]) { |
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term = '\''; |
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break; |
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} |
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/* FALLTHROUGH */ |
default: |
default: |
*d = DECO_SPECIAL; |
*d = DECO_SSPECIAL; |
*word = wp; |
i--; |
*sz = 1; |
lim = 1; |
return(1); |
break; |
} |
} |
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*word = ++wp; |
assert(term || lim); |
for (j = 0; *wp && ']' != *wp; wp++, j++) |
*word = &wp[i]; |
/* Loop... */ ; |
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if ('\0' == *wp) |
if (term) { |
return(j + 1); |
j = i; |
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while (wp[i] && wp[i] != term) |
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i++; |
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if ('\0' == wp[i]) { |
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*d = DECO_NONE; |
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return(i); |
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} |
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*d = type ? DECO_SPECIAL : DECO_RESERVED; |
assert(i >= j); |
*sz = j; |
*sz = (size_t)(i - j); |
return (j + 2); |
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return(i + 1); |
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} |
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assert(lim > 0); |
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*sz = (size_t)lim; |
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for (j = 0; wp[i] && j < lim; j++) |
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i++; |
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if (j < lim) |
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*d = DECO_NONE; |
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return(i); |
} |
} |