version 1.1, 2009/09/21 00:39:02 |
version 1.3, 2009/10/07 12:35:24 |
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*/ |
*/ |
#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
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#include <ctype.h> |
#include <ctype.h> |
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#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
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#include "mdoc.h" |
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#include "man.h" |
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#include "out.h" |
#include "out.h" |
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/* |
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* Convert a `scaling unit' to a consistent form, or fail. Scaling |
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* units are documented in groff.7, which stipulates the following: |
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* |
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* (1) A scaling unit is a signed/unsigned integer/float with or |
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* without a unit. |
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* |
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* (2) The following units exist: |
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* c Centimeter |
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* i Inch |
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* P Pica = 1/6 inch |
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* p Point = 1/72 inch |
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* m Em = the font size in points (width of letter m) |
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* M 100th of an Em |
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* n En = Em/2 |
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* u Basic unit for actual output device |
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* v Vertical line space in basic units scaled point = |
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* 1/sizescale of a point (defined in font DESC file) |
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* f Scale by 65536. |
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*/ |
int |
int |
out_a2list(const struct mdoc_node *n) |
a2roffsu(const char *src, struct roffsu *dst) |
{ |
{ |
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char buf[BUFSIZ], *p; |
int i; |
int i; |
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enum roffscale unit; |
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assert(MDOC_BLOCK == n->type && MDOC_Bl == n->tok); |
for (p = buf, i = 0; i < BUFSIZ && isdigit((u_char)*src); i++) |
assert(n->args); |
*p++ = *src++; |
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for (i = 0; i < (int)n->args->argc; i++) |
if (BUFSIZ == i || (*src && *(src + 1))) |
switch (n->args->argv[i].arg) { |
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case (MDOC_Enum): |
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/* FALLTHROUGH */ |
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case (MDOC_Dash): |
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/* FALLTHROUGH */ |
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case (MDOC_Hyphen): |
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/* FALLTHROUGH */ |
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case (MDOC_Bullet): |
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/* FALLTHROUGH */ |
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case (MDOC_Tag): |
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/* FALLTHROUGH */ |
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case (MDOC_Hang): |
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/* FALLTHROUGH */ |
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case (MDOC_Inset): |
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/* FALLTHROUGH */ |
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case (MDOC_Diag): |
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/* FALLTHROUGH */ |
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case (MDOC_Item): |
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/* FALLTHROUGH */ |
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case (MDOC_Column): |
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/* FALLTHROUGH */ |
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case (MDOC_Ohang): |
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return(n->args->argv[i].arg); |
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default: |
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break; |
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} |
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abort(); |
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/* NOTREACHED */ |
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} |
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int |
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out_a2width(const char *p) |
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{ |
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int i, len; |
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if (0 == (len = (int)strlen(p))) |
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return(0); |
return(0); |
for (i = 0; i < len - 1; i++) |
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if ( ! isdigit((u_char)p[i])) |
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break; |
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if (i == len - 1) |
*p = '\0'; |
if ('n' == p[len - 1] || 'm' == p[len - 1]) |
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return(atoi(p) + 2); |
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return(len + 2); |
switch (*src) { |
} |
case ('c'): |
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unit = SCALE_CM; |
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break; |
int |
case ('i'): |
out_a2offs(const char *p, int indent) |
unit = SCALE_IN; |
{ |
break; |
int len, i; |
case ('P'): |
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unit = SCALE_PC; |
if (0 == strcmp(p, "left")) |
break; |
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case ('p'): |
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unit = SCALE_PT; |
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break; |
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case ('f'): |
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unit = SCALE_FS; |
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break; |
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case ('v'): |
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unit = SCALE_VS; |
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break; |
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case ('m'): |
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unit = SCALE_EM; |
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break; |
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case ('\0'): |
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/* FALLTHROUGH */ |
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case ('u'): |
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unit = SCALE_BU; |
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break; |
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case ('M'): |
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unit = SCALE_MM; |
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break; |
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case ('n'): |
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unit = SCALE_EN; |
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break; |
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default: |
return(0); |
return(0); |
if (0 == strcmp(p, "indent")) |
} |
return(indent + 1); |
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if (0 == strcmp(p, "indent-two")) |
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return((indent + 1) * 2); |
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if (0 == (len = (int)strlen(p))) |
if ((dst->scale = atoi(buf)) < 0) |
return(0); |
dst->scale = 0; |
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dst->unit = unit; |
for (i = 0; i < len - 1; i++) |
return(1); |
if ( ! isdigit((u_char)p[i])) |
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break; |
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if (i == len - 1) |
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if ('n' == p[len - 1] || 'm' == p[len - 1]) |
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return(atoi(p)); |
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return(len); |
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} |
} |
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