version 1.104, 2018/07/28 18:34:15 |
version 1.107, 2018/08/20 18:06:56 |
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mandoc_escape(const char **end, const char **start, int *sz) |
mandoc_escape(const char **end, const char **start, int *sz) |
{ |
{ |
const char *local_start; |
const char *local_start; |
int local_sz; |
int local_sz, c, i; |
char term; |
char term; |
enum mandoc_esc gly; |
enum mandoc_esc gly; |
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Line 139 mandoc_escape(const char **end, const char **start, in |
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Line 139 mandoc_escape(const char **end, const char **start, in |
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break; |
break; |
} |
} |
break; |
break; |
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case '*': |
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if (strncmp(*start, "(.T", 3) != 0) |
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abort(); |
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gly = ESCAPE_DEVICE; |
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*start = ++*end; |
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*sz = 2; |
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break; |
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/* |
/* |
* These escapes are of the form \X'Y', where 'X' is the trigger |
* These escapes are of the form \X'Y', where 'X' is the trigger |
Line 295 mandoc_escape(const char **end, const char **start, in |
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Line 302 mandoc_escape(const char **end, const char **start, in |
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switch (gly) { |
switch (gly) { |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
if (2 == *sz) { |
if (*sz == 2) { |
if ('C' == **start) { |
if (**start == 'C') { |
/* |
/* |
* Treat constant-width font modes |
* Treat constant-width font modes |
* just like regular font modes. |
* just like regular font modes. |
Line 304 mandoc_escape(const char **end, const char **start, in |
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Line 311 mandoc_escape(const char **end, const char **start, in |
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(*start)++; |
(*start)++; |
(*sz)--; |
(*sz)--; |
} else { |
} else { |
if ('B' == (*start)[0] && 'I' == (*start)[1]) |
if ((*start)[0] == 'B' && (*start)[1] == 'I') |
gly = ESCAPE_FONTBI; |
gly = ESCAPE_FONTBI; |
break; |
break; |
} |
} |
} else if (1 != *sz) |
} else if (*sz != 1) { |
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if (*sz == 0) |
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gly = ESCAPE_FONTPREV; |
break; |
break; |
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} |
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switch (**start) { |
switch (**start) { |
case '3': |
case '3': |
Line 330 mandoc_escape(const char **end, const char **start, in |
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Line 340 mandoc_escape(const char **end, const char **start, in |
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} |
} |
break; |
break; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
if (1 == *sz && 'c' == **start) |
if (**start == 'c') { |
gly = ESCAPE_NOSPACE; |
if (*sz == 1) { |
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gly = ESCAPE_NOSPACE; |
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break; |
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} |
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if (*sz < 6 || *sz > 7 || |
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strncmp(*start, "char", 4) != 0 || |
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(int)strspn(*start + 4, "0123456789") + 4 < *sz) |
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break; |
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c = 0; |
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for (i = 4; i < *sz; i++) |
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c = 10 * c + ((*start)[i] - '0'); |
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if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff) |
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break; |
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*start += 4; |
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*sz -= 4; |
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gly = ESCAPE_NUMBERED; |
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break; |
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} |
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/* |
/* |
* Unicode escapes are defined in groff as \[u0000] |
* Unicode escapes are defined in groff as \[u0000] |
* to \[u10FFFF], where the contained value must be |
* to \[u10FFFF], where the contained value must be |