version 1.37, 2011/01/30 16:05:37 |
version 1.84, 2021/10/17 20:48:28 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011, 2014, 2015, 2017, 2018, 2019, 2021 |
|
* Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
|
#include "config.h" |
#include "config.h" |
#endif |
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|
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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|
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#include "mandoc_aux.h" |
#include "mandoc.h" |
#include "mandoc.h" |
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#include "tbl.h" |
#include "out.h" |
#include "out.h" |
|
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static void tblcalc_data(struct rofftbl *, struct roffcol *, |
struct tbl_colgroup { |
const struct tbl *, const struct tbl_dat *); |
struct tbl_colgroup *next; |
static void tblcalc_literal(struct rofftbl *, struct roffcol *, |
size_t wanted; |
const struct tbl_dat *); |
int startcol; |
static void tblcalc_number(struct rofftbl *, struct roffcol *, |
int endcol; |
const struct tbl *, const struct tbl_dat *); |
}; |
|
|
/* |
static size_t tblcalc_data(struct rofftbl *, struct roffcol *, |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
const struct tbl_opts *, const struct tbl_dat *, |
* units are documented in groff.7, mdoc.7, man.7. |
size_t); |
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static size_t tblcalc_literal(struct rofftbl *, struct roffcol *, |
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const struct tbl_dat *, size_t); |
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static size_t tblcalc_number(struct rofftbl *, struct roffcol *, |
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const struct tbl_opts *, const struct tbl_dat *); |
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/* |
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* Parse the *src string and store a scaling unit into *dst. |
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* If the string doesn't specify the unit, use the default. |
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* If no default is specified, fail. |
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* Return a pointer to the byte after the last byte used, |
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* or NULL on total failure. |
*/ |
*/ |
int |
const char * |
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def) |
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def) |
{ |
{ |
char buf[BUFSIZ], hasd; |
char *endptr; |
int i; |
|
enum roffscale unit; |
|
|
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if ('\0' == *src) |
dst->unit = def == SCALE_MAX ? SCALE_BU : def; |
return(0); |
dst->scale = strtod(src, &endptr); |
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if (endptr == src) |
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return NULL; |
|
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i = hasd = 0; |
switch (*endptr++) { |
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case 'c': |
switch (*src) { |
dst->unit = SCALE_CM; |
case ('+'): |
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src++; |
|
break; |
break; |
case ('-'): |
case 'i': |
buf[i++] = *src++; |
dst->unit = SCALE_IN; |
break; |
break; |
default: |
case 'f': |
|
dst->unit = SCALE_FS; |
break; |
break; |
} |
case 'M': |
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dst->unit = SCALE_MM; |
if ('\0' == *src) |
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return(0); |
|
|
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while (i < BUFSIZ) { |
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if ( ! isdigit((u_char)*src)) { |
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if ('.' != *src) |
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break; |
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else if (hasd) |
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break; |
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else |
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hasd = 1; |
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} |
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buf[i++] = *src++; |
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} |
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|
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if (BUFSIZ == i || (*src && *(src + 1))) |
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return(0); |
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buf[i] = '\0'; |
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|
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switch (*src) { |
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case ('c'): |
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unit = SCALE_CM; |
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break; |
break; |
case ('i'): |
case 'm': |
unit = SCALE_IN; |
dst->unit = SCALE_EM; |
break; |
break; |
case ('P'): |
case 'n': |
unit = SCALE_PC; |
dst->unit = SCALE_EN; |
break; |
break; |
case ('p'): |
case 'P': |
unit = SCALE_PT; |
dst->unit = SCALE_PC; |
break; |
break; |
case ('f'): |
case 'p': |
unit = SCALE_FS; |
dst->unit = SCALE_PT; |
break; |
break; |
case ('v'): |
case 'u': |
unit = SCALE_VS; |
dst->unit = SCALE_BU; |
break; |
break; |
case ('m'): |
case 'v': |
unit = SCALE_EM; |
dst->unit = SCALE_VS; |
break; |
break; |
case ('\0'): |
default: |
|
endptr--; |
if (SCALE_MAX == def) |
if (SCALE_MAX == def) |
return(0); |
return NULL; |
unit = SCALE_BU; |
dst->unit = def; |
break; |
break; |
case ('u'): |
|
unit = SCALE_BU; |
|
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: |
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return(0); |
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} |
} |
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return endptr; |
/* FIXME: do this in the caller. */ |
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if ((dst->scale = atof(buf)) < 0) |
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dst->scale = 0; |
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dst->unit = unit; |
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return(1); |
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} |
} |
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/* |
/* |
* Correctly writes the time in nroff form, which differs from standard |
* Calculate the abstract widths and decimal positions of columns in a |
* form in that a space isn't printed in lieu of the extra %e field for |
* table. This routine allocates the columns structures then runs over |
* single-digit dates. |
* all rows and cells in the table. The function pointers in "tbl" are |
|
* used for the actual width calculations. |
*/ |
*/ |
void |
void |
time2a(time_t t, char *dst, size_t sz) |
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp_first, |
|
size_t offset, size_t rmargin) |
{ |
{ |
struct tm tm; |
struct roffsu su; |
char buf[5]; |
const struct tbl_opts *opts; |
char *p; |
const struct tbl_span *sp; |
size_t nsz; |
const struct tbl_dat *dp; |
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struct roffcol *col; |
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struct tbl_colgroup *first_group, **gp, *g; |
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size_t *colwidth; |
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size_t ewidth, min1, min2, wanted, width, xwidth; |
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int done, icol, maxcol, necol, nxcol, quirkcol; |
|
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assert(sz > 1); |
/* |
localtime_r(&t, &tm); |
* Allocate the master column specifiers. These will hold the |
|
* widths and decimal positions for all cells in the column. It |
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* must be freed and nullified by the caller. |
|
*/ |
|
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p = dst; |
assert(tbl->cols == NULL); |
nsz = 0; |
tbl->cols = mandoc_calloc((size_t)sp_first->opts->cols, |
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sizeof(struct roffcol)); |
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opts = sp_first->opts; |
|
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dst[0] = '\0'; |
maxcol = -1; |
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first_group = NULL; |
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for (sp = sp_first; sp != NULL; sp = sp->next) { |
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if (sp->pos != TBL_SPAN_DATA) |
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continue; |
|
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if (0 == (nsz = strftime(p, sz, "%B ", &tm))) |
/* |
return; |
* Account for the data cells in the layout, matching it |
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* to data cells in the data section. |
|
*/ |
|
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p += (int)nsz; |
for (dp = sp->first; dp != NULL; dp = dp->next) { |
sz -= nsz; |
icol = dp->layout->col; |
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while (maxcol < icol + dp->hspans) |
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tbl->cols[++maxcol].spacing = SIZE_MAX; |
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col = tbl->cols + icol; |
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col->flags |= dp->layout->flags; |
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if (dp->layout->flags & TBL_CELL_WIGN) |
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continue; |
|
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if (0 == strftime(buf, sizeof(buf), "%e, ", &tm)) |
/* Handle explicit width specifications. */ |
return; |
|
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nsz = strlcat(p, buf + (' ' == buf[0] ? 1 : 0), sz); |
if (dp->layout->wstr != NULL && |
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dp->layout->width == 0 && |
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a2roffsu(dp->layout->wstr, &su, SCALE_EN) |
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!= NULL) |
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dp->layout->width = |
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(*tbl->sulen)(&su, tbl->arg); |
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if (col->width < dp->layout->width) |
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col->width = dp->layout->width; |
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if (dp->layout->spacing != SIZE_MAX && |
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(col->spacing == SIZE_MAX || |
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col->spacing < dp->layout->spacing)) |
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col->spacing = dp->layout->spacing; |
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if (nsz >= sz) |
/* |
return; |
* Calculate an automatic width. |
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* Except for spanning cells, apply it. |
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*/ |
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p += (int)nsz; |
width = tblcalc_data(tbl, |
sz -= nsz; |
dp->hspans == 0 ? col : NULL, |
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opts, dp, |
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dp->block == 0 ? 0 : |
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dp->layout->width ? dp->layout->width : |
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rmargin ? (rmargin + sp->opts->cols / 2) |
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/ (sp->opts->cols + 1) : 0); |
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if (dp->hspans == 0) |
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continue; |
|
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(void)strftime(p, sz, "%Y", &tm); |
/* |
} |
* Build a singly linked list |
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* of all groups of columns joined by spans, |
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* recording the minimum width for each group. |
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*/ |
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gp = &first_group; |
int |
while (*gp != NULL && ((*gp)->startcol != icol || |
a2roffdeco(enum roffdeco *d, const char **word, size_t *sz) |
(*gp)->endcol != icol + dp->hspans)) |
{ |
gp = &(*gp)->next; |
int i, j, lim; |
if (*gp == NULL) { |
char term, c; |
g = mandoc_malloc(sizeof(*g)); |
const char *wp; |
g->next = *gp; |
enum roffdeco dd; |
g->wanted = width; |
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g->startcol = icol; |
*d = DECO_NONE; |
g->endcol = icol + dp->hspans; |
lim = i = 0; |
*gp = g; |
term = '\0'; |
} else if ((*gp)->wanted < width) |
wp = *word; |
(*gp)->wanted = width; |
|
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switch ((c = wp[i++])) { |
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case ('('): |
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*d = DECO_SPECIAL; |
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lim = 2; |
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break; |
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case ('F'): |
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/* FALLTHROUGH */ |
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case ('f'): |
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*d = 'F' == c ? DECO_FFONT : DECO_FONT; |
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switch (wp[i++]) { |
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case ('('): |
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lim = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
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case ('3'): |
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/* FALLTHROUGH */ |
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case ('B'): |
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*d = DECO_BOLD; |
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return(i); |
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case ('2'): |
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/* FALLTHROUGH */ |
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case ('I'): |
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*d = DECO_ITALIC; |
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return(i); |
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case ('P'): |
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*d = DECO_PREVIOUS; |
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return(i); |
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case ('1'): |
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/* FALLTHROUGH */ |
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case ('R'): |
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*d = DECO_ROMAN; |
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return(i); |
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default: |
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i--; |
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lim = 1; |
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break; |
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} |
} |
break; |
} |
case ('k'): |
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/* FALLTHROUGH */ |
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case ('M'): |
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/* FALLTHROUGH */ |
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case ('m'): |
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/* FALLTHROUGH */ |
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case ('*'): |
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if ('*' == c) |
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*d = DECO_RESERVED; |
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switch (wp[i++]) { |
/* |
case ('('): |
* The minimum width of columns explicitly specified |
lim = 2; |
* in the layout is 1n. |
break; |
*/ |
case ('['): |
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term = ']'; |
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break; |
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default: |
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i--; |
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lim = 1; |
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break; |
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} |
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break; |
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case ('N'): |
if (maxcol < sp_first->opts->cols - 1) |
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maxcol = sp_first->opts->cols - 1; |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if (col->width < 1) |
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col->width = 1; |
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/* |
/* |
* Sequence of characters: backslash, 'N' (i = 0), |
* Column spacings are needed for span width |
* starting delimiter (i = 1), character number (i = 2). |
* calculations, so set the default values now. |
*/ |
*/ |
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*word = wp + 2; |
if (col->spacing == SIZE_MAX || icol == maxcol) |
*sz = 0; |
col->spacing = 3; |
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} |
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/* |
/* |
* Cannot use a digit as a starting delimiter; |
* Replace the minimum widths with the missing widths, |
* but skip the digit anyway. |
* and dismiss groups that are already wide enough. |
*/ |
*/ |
|
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if (isdigit((int)wp[1])) |
gp = &first_group; |
return(2); |
while ((g = *gp) != NULL) { |
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done = 0; |
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for (icol = g->startcol; icol <= g->endcol; icol++) { |
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width = tbl->cols[icol].width; |
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if (icol < g->endcol) |
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width += tbl->cols[icol].spacing; |
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if (g->wanted <= width) { |
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done = 1; |
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break; |
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} else |
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(*gp)->wanted -= width; |
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} |
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if (done) { |
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*gp = g->next; |
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free(g); |
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} else |
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gp = &(*gp)->next; |
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} |
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colwidth = mandoc_reallocarray(NULL, maxcol + 1, sizeof(*colwidth)); |
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while (first_group != NULL) { |
|
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/* |
/* |
* Any non-digit terminates the character number. |
* Rebuild the array of the widths of all columns |
* That is, the terminating delimiter need not |
* participating in spans that require expansion. |
* match the starting delimiter. |
|
*/ |
*/ |
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for (i = 2; isdigit((int)wp[i]); i++) |
for (icol = 0; icol <= maxcol; icol++) |
(*sz)++; |
colwidth[icol] = SIZE_MAX; |
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for (g = first_group; g != NULL; g = g->next) |
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for (icol = g->startcol; icol <= g->endcol; icol++) |
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colwidth[icol] = tbl->cols[icol].width; |
|
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/* |
/* |
* This is only a numbered character |
* Find the smallest and second smallest column width |
* if the character number has at least one digit. |
* among the columns which may need expamsion. |
*/ |
*/ |
|
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if (*sz) |
min1 = min2 = SIZE_MAX; |
*d = DECO_NUMBERED; |
for (icol = 0; icol <= maxcol; icol++) { |
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width = colwidth[icol]; |
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if (min1 > width) { |
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min2 = min1; |
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min1 = width; |
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} else if (min1 < width && min2 > width) |
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min2 = width; |
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} |
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/* |
/* |
* Skip the terminating delimiter, even if it does not |
* Find the minimum wanted width |
* match, and even if there is no character number. |
* for any one of the narrowest columns, |
|
* and mark the columns wanting that width. |
*/ |
*/ |
|
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return(++i); |
wanted = min2; |
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for (g = first_group; g != NULL; g = g->next) { |
case ('h'): |
necol = 0; |
/* FALLTHROUGH */ |
for (icol = g->startcol; icol <= g->endcol; icol++) |
case ('v'): |
if (colwidth[icol] == min1) |
/* FALLTHROUGH */ |
necol++; |
case ('s'): |
if (necol == 0) |
j = 0; |
continue; |
if ('+' == wp[i] || '-' == wp[i]) { |
width = min1 + (g->wanted - 1) / necol + 1; |
i++; |
if (width > min2) |
j = 1; |
width = min2; |
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if (wanted > width) |
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wanted = width; |
} |
} |
|
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switch (wp[i++]) { |
/* Record the effect of the widening. */ |
case ('('): |
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lim = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
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case ('\''): |
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term = '\''; |
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break; |
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case ('0'): |
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j = 1; |
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/* FALLTHROUGH */ |
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default: |
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i--; |
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lim = 1; |
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break; |
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} |
|
|
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if ('+' == wp[i] || '-' == wp[i]) { |
gp = &first_group; |
if (j) |
while ((g = *gp) != NULL) { |
return(i); |
done = 0; |
i++; |
for (icol = g->startcol; icol <= g->endcol; icol++) { |
} |
if (colwidth[icol] != min1) |
|
continue; |
/* Handle embedded numerical subexp or escape. */ |
if (g->wanted <= wanted - min1) { |
|
tbl->cols[icol].width += g->wanted; |
if ('(' == wp[i]) { |
done = 1; |
while (wp[i] && ')' != wp[i]) |
break; |
if ('\\' == wp[i++]) { |
|
/* Handle embedded escape. */ |
|
*word = &wp[i]; |
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i += a2roffdeco(&dd, word, sz); |
|
} |
} |
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tbl->cols[icol].width = wanted; |
if (')' == wp[i++]) |
g->wanted -= wanted - min1; |
break; |
} |
|
if (done) { |
*d = DECO_NONE; |
*gp = g->next; |
return(i - 1); |
free(g); |
} else if ('\\' == wp[i]) { |
} else |
*word = &wp[++i]; |
gp = &(*gp)->next; |
i += a2roffdeco(&dd, word, sz); |
|
} |
} |
|
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break; |
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case ('['): |
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*d = DECO_SPECIAL; |
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term = ']'; |
|
break; |
|
case ('c'): |
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*d = DECO_NOSPACE; |
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return(i); |
|
case ('z'): |
|
*d = DECO_NONE; |
|
if ('\\' == wp[i]) { |
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*word = &wp[++i]; |
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return(i + a2roffdeco(&dd, word, sz)); |
|
} else |
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lim = 1; |
|
break; |
|
case ('o'): |
|
/* FALLTHROUGH */ |
|
case ('w'): |
|
if ('\'' == wp[i++]) { |
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term = '\''; |
|
break; |
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} |
|
/* FALLTHROUGH */ |
|
default: |
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*d = DECO_SSPECIAL; |
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i--; |
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lim = 1; |
|
break; |
|
} |
} |
|
free(colwidth); |
|
|
assert(term || lim); |
/* |
*word = &wp[i]; |
* Align numbers with text. |
|
* Count columns to equalize and columns to maximize. |
|
* Find maximum width of the columns to equalize. |
|
* Find total width of the columns *not* to maximize. |
|
*/ |
|
|
if (term) { |
necol = nxcol = 0; |
j = i; |
ewidth = xwidth = 0; |
while (wp[i] && wp[i] != term) |
for (icol = 0; icol <= maxcol; icol++) { |
i++; |
col = tbl->cols + icol; |
if ('\0' == wp[i]) { |
if (col->width > col->nwidth) |
*d = DECO_NONE; |
col->decimal += (col->width - col->nwidth) / 2; |
return(i); |
if (col->flags & TBL_CELL_EQUAL) { |
|
necol++; |
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if (ewidth < col->width) |
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ewidth = col->width; |
} |
} |
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if (col->flags & TBL_CELL_WMAX) |
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nxcol++; |
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else |
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xwidth += col->width; |
|
} |
|
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assert(i >= j); |
/* |
*sz = (size_t)(i - j); |
* Equalize columns, if requested for any of them. |
|
* Update total width of the columns not to maximize. |
|
*/ |
|
|
return(i + 1); |
if (necol) { |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
|
if ( ! (col->flags & TBL_CELL_EQUAL)) |
|
continue; |
|
if (col->width == ewidth) |
|
continue; |
|
if (nxcol && rmargin) |
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xwidth += ewidth - col->width; |
|
col->width = ewidth; |
|
} |
} |
} |
|
|
assert(lim > 0); |
|
*sz = (size_t)lim; |
|
|
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for (j = 0; wp[i] && j < lim; j++) |
|
i++; |
|
if (j < lim) |
|
*d = DECO_NONE; |
|
|
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return(i); |
|
} |
|
|
|
/* |
|
* Calculate the abstract widths and decimal positions of columns in a |
|
* table. This routine allocates the columns structures then runs over |
|
* all rows and cells in the table. The function pointers in "tbl" are |
|
* used for the actual width calculations. |
|
*/ |
|
void |
|
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) |
|
{ |
|
const struct tbl_dat *dp; |
|
const struct tbl_head *hp; |
|
struct roffcol *col; |
|
|
|
/* |
/* |
* Allocate the master column specifiers. These will hold the |
* If there are any columns to maximize, find the total |
* widths and decimal positions for all cells in the column. It |
* available width, deducting 3n margins between columns. |
* must be freed and nullified by the caller. |
* Distribute the available width evenly. |
*/ |
*/ |
|
|
assert(NULL == tbl->cols); |
if (nxcol && rmargin) { |
tbl->cols = calloc(sp->tbl->cols, sizeof(struct roffcol)); |
xwidth += 3*maxcol + |
|
(opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ? |
|
2 : !!opts->lvert + !!opts->rvert); |
|
if (rmargin <= offset + xwidth) |
|
return; |
|
xwidth = rmargin - offset - xwidth; |
|
|
hp = sp->head; |
|
|
|
for ( ; sp; sp = sp->next) { |
|
if (TBL_SPAN_DATA != sp->pos) |
|
continue; |
|
/* |
/* |
* Account for the data cells in the layout, matching it |
* Emulate a bug in GNU tbl width calculation that |
* to data cells in the data section. |
* manifests itself for large numbers of x-columns. |
|
* Emulating it for 5 x-columns gives identical |
|
* behaviour for up to 6 x-columns. |
*/ |
*/ |
for (dp = sp->first; dp; dp = dp->next) { |
|
assert(dp->layout); |
|
col = &tbl->cols[dp->layout->head->ident]; |
|
tblcalc_data(tbl, col, sp->tbl, dp); |
|
} |
|
} |
|
|
|
/* |
if (nxcol == 5) { |
* Calculate width of the spanners. These get one space for a |
quirkcol = xwidth % nxcol + 2; |
* vertical line, two for a double-vertical line. |
if (quirkcol != 3 && quirkcol != 4) |
*/ |
quirkcol = -1; |
|
} else |
|
quirkcol = -1; |
|
|
for ( ; hp; hp = hp->next) { |
necol = 0; |
col = &tbl->cols[hp->ident]; |
ewidth = 0; |
switch (hp->pos) { |
for (icol = 0; icol <= maxcol; icol++) { |
case (TBL_HEAD_VERT): |
col = tbl->cols + icol; |
col->width = (*tbl->len)(1, tbl->arg); |
if ( ! (col->flags & TBL_CELL_WMAX)) |
break; |
continue; |
case (TBL_HEAD_DVERT): |
col->width = (double)xwidth * ++necol / nxcol |
col->width = (*tbl->len)(2, tbl->arg); |
- ewidth + 0.4995; |
break; |
if (necol == quirkcol) |
default: |
col->width--; |
break; |
ewidth += col->width; |
} |
} |
} |
} |
} |
} |
|
|
static void |
static size_t |
tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
const struct tbl *tp, const struct tbl_dat *dp) |
const struct tbl_opts *opts, const struct tbl_dat *dp, size_t mw) |
{ |
{ |
size_t sz; |
size_t sz; |
|
|
/* Branch down into data sub-types. */ |
/* Branch down into data sub-types. */ |
|
|
switch (dp->layout->pos) { |
switch (dp->layout->pos) { |
case (TBL_CELL_HORIZ): |
case TBL_CELL_HORIZ: |
/* FALLTHROUGH */ |
case TBL_CELL_DHORIZ: |
case (TBL_CELL_DHORIZ): |
|
sz = (*tbl->len)(1, tbl->arg); |
sz = (*tbl->len)(1, tbl->arg); |
if (col->width < sz) |
if (col != NULL && col->width < sz) |
col->width = sz; |
col->width = sz; |
break; |
return sz; |
case (TBL_CELL_LONG): |
case TBL_CELL_LONG: |
/* FALLTHROUGH */ |
case TBL_CELL_CENTRE: |
case (TBL_CELL_CENTRE): |
case TBL_CELL_LEFT: |
/* FALLTHROUGH */ |
case TBL_CELL_RIGHT: |
case (TBL_CELL_LEFT): |
return tblcalc_literal(tbl, col, dp, mw); |
/* FALLTHROUGH */ |
case TBL_CELL_NUMBER: |
case (TBL_CELL_RIGHT): |
return tblcalc_number(tbl, col, opts, dp); |
tblcalc_literal(tbl, col, dp); |
case TBL_CELL_DOWN: |
break; |
return 0; |
case (TBL_CELL_NUMBER): |
|
tblcalc_number(tbl, col, tp, dp); |
|
break; |
|
case (TBL_CELL_DOWN): |
|
break; |
|
default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
|
} |
} |
} |
} |
|
|
static void |
static size_t |
tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, |
tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, |
const struct tbl_dat *dp) |
const struct tbl_dat *dp, size_t mw) |
{ |
{ |
size_t sz, bufsz, spsz; |
const char *str; /* Beginning of the first line. */ |
const char *str; |
const char *beg; /* Beginning of the current line. */ |
|
char *end; /* End of the current line. */ |
|
size_t lsz; /* Length of the current line. */ |
|
size_t wsz; /* Length of the current word. */ |
|
size_t msz; /* Length of the longest line. */ |
|
|
/* |
if (dp->string == NULL || *dp->string == '\0') |
* Calculate our width and use the spacing, with a minimum |
return 0; |
* spacing dictated by position (centre, e.g,. gets a space on |
str = mw ? mandoc_strdup(dp->string) : dp->string; |
* either side, while right/left get a single adjacent space). |
msz = lsz = 0; |
*/ |
for (beg = str; beg != NULL && *beg != '\0'; beg = end) { |
|
end = mw ? strchr(beg, ' ') : NULL; |
bufsz = spsz = 0; |
if (end != NULL) { |
str = dp->string ? dp->string : ""; |
*end++ = '\0'; |
sz = (*tbl->slen)(str, tbl->arg); |
while (*end == ' ') |
|
end++; |
/* FIXME: TBL_DATA_HORIZ et al.? */ |
} |
|
wsz = (*tbl->slen)(beg, tbl->arg); |
assert(dp->layout); |
if (mw && lsz && lsz + 1 + wsz <= mw) |
switch (dp->layout->pos) { |
lsz += 1 + wsz; |
case (TBL_CELL_LONG): |
else |
/* FALLTHROUGH */ |
lsz = wsz; |
case (TBL_CELL_CENTRE): |
if (msz < lsz) |
bufsz = (*tbl->len)(1, tbl->arg); |
msz = lsz; |
break; |
|
default: |
|
bufsz = (*tbl->len)(1, tbl->arg); |
|
break; |
|
} |
} |
|
if (mw) |
if (dp->layout->spacing) { |
free((void *)str); |
spsz = (*tbl->len)(dp->layout->spacing, tbl->arg); |
if (col != NULL && col->width < msz) |
bufsz = bufsz > spsz ? bufsz : spsz; |
col->width = msz; |
} |
return msz; |
|
|
sz += bufsz; |
|
if (col->width < sz) |
|
col->width = sz; |
|
} |
} |
|
|
static void |
static size_t |
tblcalc_number(struct rofftbl *tbl, struct roffcol *col, |
tblcalc_number(struct rofftbl *tbl, struct roffcol *col, |
const struct tbl *tp, const struct tbl_dat *dp) |
const struct tbl_opts *opts, const struct tbl_dat *dp) |
{ |
{ |
int i; |
const char *cp, *lastdigit, *lastpoint; |
size_t sz, psz, ssz, d; |
size_t intsz, totsz; |
const char *str; |
|
char *cp; |
|
char buf[2]; |
char buf[2]; |
|
|
|
if (dp->string == NULL || *dp->string == '\0') |
|
return 0; |
|
|
|
totsz = (*tbl->slen)(dp->string, tbl->arg); |
|
if (col == NULL) |
|
return totsz; |
|
|
/* |
/* |
* First calculate number width and decimal place (last + 1 for |
* Find the last digit and |
* no-decimal numbers). If the stored decimal is subsequent |
* the last decimal point that is adjacent to a digit. |
* ours, make our size longer by that difference |
* The alignment indicator "\&" overrides everything. |
* (right-"shifting"); similarly, if ours is subsequent the |
|
* stored, then extend the stored size by the difference. |
|
* Finally, re-assign the stored values. |
|
*/ |
*/ |
|
|
str = dp->string ? dp->string : ""; |
lastdigit = lastpoint = NULL; |
sz = (*tbl->slen)(str, tbl->arg); |
for (cp = dp->string; cp[0] != '\0'; cp++) { |
|
if (cp[0] == '\\' && cp[1] == '&') { |
|
lastdigit = lastpoint = cp; |
|
break; |
|
} else if (cp[0] == opts->decimal && |
|
(isdigit((unsigned char)cp[1]) || |
|
(cp > dp->string && isdigit((unsigned char)cp[-1])))) |
|
lastpoint = cp; |
|
else if (isdigit((unsigned char)cp[0])) |
|
lastdigit = cp; |
|
} |
|
|
/* FIXME: TBL_DATA_HORIZ et al.? */ |
/* Not a number, treat as a literal string. */ |
|
|
buf[0] = tp->decimal; |
if (lastdigit == NULL) { |
buf[1] = '\0'; |
if (col != NULL && col->width < totsz) |
|
col->width = totsz; |
|
return totsz; |
|
} |
|
|
psz = (*tbl->slen)(buf, tbl->arg); |
/* Measure the width of the integer part. */ |
|
|
if (NULL != (cp = strrchr(str, tp->decimal))) { |
if (lastpoint == NULL) |
buf[1] = '\0'; |
lastpoint = lastdigit + 1; |
for (ssz = 0, i = 0; cp != &str[i]; i++) { |
intsz = 0; |
buf[0] = str[i]; |
buf[1] = '\0'; |
ssz += (*tbl->slen)(buf, tbl->arg); |
for (cp = dp->string; cp < lastpoint; cp++) { |
} |
buf[0] = cp[0]; |
d = ssz + psz; |
intsz += (*tbl->slen)(buf, tbl->arg); |
} else |
} |
d = sz + psz; |
|
|
|
/* Padding. */ |
/* |
|
* If this number has more integer digits than all numbers |
|
* seen on earlier lines, shift them all to the right. |
|
* If it has fewer, shift this number to the right. |
|
*/ |
|
|
sz += (*tbl->len)(2, tbl->arg); |
if (intsz > col->decimal) { |
d += (*tbl->len)(1, tbl->arg); |
col->nwidth += intsz - col->decimal; |
|
col->decimal = intsz; |
/* Adjust the settings for this column. */ |
|
|
|
if (col->decimal > d) { |
|
sz += col->decimal - d; |
|
d = col->decimal; |
|
} else |
} else |
col->width += d - col->decimal; |
totsz += col->decimal - intsz; |
|
|
if (sz > col->width) |
/* Update the maximum total width seen so far. */ |
col->width = sz; |
|
if (d > col->decimal) |
|
col->decimal = d; |
|
|
|
/* Adjust for stipulated width. */ |
if (totsz > col->nwidth) |
|
col->nwidth = totsz; |
if (col->width < dp->layout->spacing) |
if (col->nwidth > col->width) |
col->width = dp->layout->spacing; |
col->width = col->nwidth; |
|
fprintf(stderr, "N=%zu D=%zu I=%zu T=%zu %s\n", |
|
col->nwidth, col->decimal, intsz, totsz, dp->string); |
|
return totsz; |
} |
} |
|
|
|
|