version 1.191, 2014/01/06 23:46:07 |
version 1.192, 2014/02/14 22:27:41 |
Line 192 static int roff_getnum(const char *, int *, int *); |
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Line 192 static int roff_getnum(const char *, int *, int *); |
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static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
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static int roff_getregro(const char *name); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
Line 1380 roff_setreg(struct roff *r, const char *name, int val, |
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Line 1381 roff_setreg(struct roff *r, const char *name, int val, |
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reg->val = val; |
reg->val = val; |
} |
} |
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/* |
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* Handle some predefined read-only number registers. |
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* For now, return -1 if the requested register is not predefined; |
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* in case a predefined read-only register having the value -1 |
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* were to turn up, another special value would have to be chosen. |
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*/ |
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static int |
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roff_getregro(const char *name) |
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{ |
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switch (*name) { |
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case ('A'): /* ASCII approximation mode is always off. */ |
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return(0); |
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case ('g'): /* Groff compatibility mode is always on. */ |
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return(1); |
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case ('H'): /* Fixed horizontal resolution. */ |
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return (24); |
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case ('j'): /* Always adjust left margin only. */ |
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return(0); |
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case ('T'): /* Some output device is always defined. */ |
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return(1); |
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case ('V'): /* Fixed vertical resolution. */ |
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return (40); |
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default: |
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return (-1); |
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} |
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} |
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int |
int |
roff_getreg(const struct roff *r, const char *name) |
roff_getreg(const struct roff *r, const char *name) |
{ |
{ |
struct roffreg *reg; |
struct roffreg *reg; |
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int val; |
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if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
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val = roff_getregro(name + 1); |
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if (-1 != val) |
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return (val); |
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} |
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for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (0 == strcmp(name, reg->key.p)) |
if (0 == strcmp(name, reg->key.p)) |
return(reg->val); |
return(reg->val); |
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roff_getregn(const struct roff *r, const char *name, size_t len) |
roff_getregn(const struct roff *r, const char *name, size_t len) |
{ |
{ |
struct roffreg *reg; |
struct roffreg *reg; |
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int val; |
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if ('.' == name[0] && 2 == len) { |
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val = roff_getregro(name + 1); |
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if (-1 != val) |
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return (val); |
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} |
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for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (len == reg->key.sz && |
if (len == reg->key.sz && |