version 1.55, 2014/12/23 03:28:01 |
version 1.56, 2014/12/23 09:31:46 |
Line 40 static void tblcalc_number(struct rofftbl *, struct ro |
|
Line 40 static void tblcalc_number(struct rofftbl *, struct ro |
|
* Parse the *src string and store a scaling unit into *dst. |
* Parse the *src string and store a scaling unit into *dst. |
* If the string doesn't specify the unit, use the default. |
* If the string doesn't specify the unit, use the default. |
* If no default is specified, fail. |
* If no default is specified, fail. |
* Return 1 on success and 0 on failure. |
* Return 2 on complete success, 1 when a conversion was done, |
|
* but there was trailing garbage, and 0 on total failure. |
*/ |
*/ |
int |
int |
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def) |
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def) |
{ |
{ |
char *endptr; |
char *endptr; |
double scale; |
|
enum roffscale unit; |
|
|
|
scale = strtod(src, &endptr); |
dst->unit = def == SCALE_MAX ? SCALE_BU : def; |
if (endptr == src || (endptr[0] != '\0' && endptr[1] != '\0')) |
dst->scale = strtod(src, &endptr); |
|
if (endptr == src) |
return(0); |
return(0); |
|
|
switch (*endptr) { |
switch (*endptr++) { |
case 'c': |
case 'c': |
unit = SCALE_CM; |
dst->unit = SCALE_CM; |
break; |
break; |
case 'i': |
case 'i': |
unit = SCALE_IN; |
dst->unit = SCALE_IN; |
break; |
break; |
|
case 'f': |
|
dst->unit = SCALE_FS; |
|
break; |
|
case 'M': |
|
dst->unit = SCALE_MM; |
|
break; |
|
case 'm': |
|
dst->unit = SCALE_EM; |
|
break; |
|
case 'n': |
|
dst->unit = SCALE_EN; |
|
break; |
case 'P': |
case 'P': |
unit = SCALE_PC; |
dst->unit = SCALE_PC; |
break; |
break; |
case 'p': |
case 'p': |
unit = SCALE_PT; |
dst->unit = SCALE_PT; |
break; |
break; |
case 'f': |
case 'u': |
unit = SCALE_FS; |
dst->unit = SCALE_BU; |
break; |
break; |
case 'v': |
case 'v': |
unit = SCALE_VS; |
dst->unit = SCALE_VS; |
break; |
break; |
case 'm': |
|
unit = SCALE_EM; |
|
break; |
|
case '\0': |
case '\0': |
|
endptr--; |
|
/* FALLTHROUGH */ |
|
default: |
if (SCALE_MAX == def) |
if (SCALE_MAX == def) |
return(0); |
return(0); |
unit = def; |
dst->unit = def; |
break; |
break; |
case 'u': |
|
unit = SCALE_BU; |
|
break; |
|
case 'M': |
|
unit = SCALE_MM; |
|
break; |
|
case 'n': |
|
unit = SCALE_EN; |
|
break; |
|
default: |
|
return(0); |
|
} |
} |
|
|
/* FIXME: do this in the caller. */ |
/* FIXME: do this in the caller. */ |
if (scale < 0.0) |
if (dst->scale < 0.0) |
scale = 0.0; |
dst->scale = 0.0; |
dst->scale = scale; |
return(*endptr == '\0' ? 2 : 1); |
dst->unit = unit; |
|
return(1); |
|
} |
} |
|
|
/* |
/* |