version 1.170, 2010/09/04 20:18:53 |
version 1.171, 2010/09/15 14:36:16 |
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term_word(struct termp *p, const char *word) |
term_word(struct termp *p, const char *word) |
{ |
{ |
const char *sv, *seq; |
const char *sv, *seq; |
int sz; |
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size_t ssz; |
size_t ssz; |
enum roffdeco deco; |
enum roffdeco deco; |
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Line 515 term_word(struct termp *p, const char *word) |
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Line 514 term_word(struct termp *p, const char *word) |
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continue; |
continue; |
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seq = ++word; |
seq = ++word; |
sz = a2roffdeco(&deco, &seq, &ssz); |
word += a2roffdeco(&deco, &seq, &ssz); |
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switch (deco) { |
switch (deco) { |
case (DECO_RESERVED): |
case (DECO_RESERVED): |
Line 542 term_word(struct termp *p, const char *word) |
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Line 541 term_word(struct termp *p, const char *word) |
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break; |
break; |
} |
} |
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word += sz; |
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if (DECO_NOSPACE == deco && '\0' == *word) |
if (DECO_NOSPACE == deco && '\0' == *word) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
} |
} |
Line 645 term_len(const struct termp *p, size_t sz) |
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Line 643 term_len(const struct termp *p, size_t sz) |
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size_t |
size_t |
term_strlen(const struct termp *p, const char *cp) |
term_strlen(const struct termp *p, const char *cp) |
{ |
{ |
size_t sz; |
size_t sz, ssz, rsz, i; |
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enum roffdeco d; |
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const char *seq, *rhs; |
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for (sz = 0; *cp; cp++) |
for (sz = 0; '\0' != *cp; ) |
sz += (*p->width)(p, *cp); |
/* |
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* Account for escaped sequences within string length |
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* calculations. This follows the logic in term_word() |
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* as we must calculate the width of produced strings. |
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*/ |
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if ('\\' == *cp) { |
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seq = ++cp; |
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cp += a2roffdeco(&d, &seq, &ssz); |
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switch (d) { |
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case (DECO_RESERVED): |
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rhs = chars_res2str |
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(p->symtab, seq, ssz, &rsz); |
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break; |
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case (DECO_SPECIAL): |
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/* FALLTHROUGH */ |
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case (DECO_SSPECIAL): |
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rhs = chars_spec2str |
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(p->symtab, seq, ssz, &rsz); |
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/* Allow for one-char escapes. */ |
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if (DECO_SSPECIAL != d || rhs) |
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break; |
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rhs = seq; |
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rsz = ssz; |
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break; |
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default: |
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rhs = NULL; |
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break; |
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} |
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if (rhs) |
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for (i = 0; i < rsz; i++) |
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sz += (*p->width)(p, *rhs++); |
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} else |
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sz += (*p->width)(p, *cp++); |
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return(sz); |
return(sz); |
} |
} |