version 1.21, 2010/07/21 20:35:03 |
version 1.59, 2015/01/30 04:11:50 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011, 2014, 2015 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 |
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* 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 |
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#include "config.h" |
#include "config.h" |
#endif |
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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> |
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#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "mandoc_aux.h" |
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#include "mandoc.h" |
#include "out.h" |
#include "out.h" |
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/* |
static void 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. |
static void tblcalc_literal(struct rofftbl *, struct roffcol *, |
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const struct tbl_dat *); |
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static void 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 2 on complete success, 1 when a conversion was done, |
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* 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 buf[BUFSIZ], hasd; |
char *endptr; |
int i; |
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enum roffscale unit; |
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if ('\0' == *src) |
dst->unit = def == SCALE_MAX ? SCALE_BU : def; |
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dst->scale = strtod(src, &endptr); |
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if (endptr == src) |
return(0); |
return(0); |
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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++; |
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break; |
break; |
case ('-'): |
case 'i': |
buf[i++] = *src++; |
dst->unit = SCALE_IN; |
break; |
break; |
default: |
case 'f': |
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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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if (BUFSIZ == i || (*src && *(src + 1))) |
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return(0); |
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buf[i] = '\0'; |
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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'): |
case '\0': |
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endptr--; |
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/* FALLTHROUGH */ |
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default: |
if (SCALE_MAX == def) |
if (SCALE_MAX == def) |
return(0); |
return(0); |
unit = SCALE_BU; |
dst->unit = def; |
break; |
break; |
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: |
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return(0); |
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} |
} |
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if ((dst->scale = atof(buf)) < 0) |
return(*endptr == '\0' ? 2 : 1); |
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 |
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* 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, |
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size_t totalwidth) |
{ |
{ |
struct tm tm; |
const struct tbl_opts *opts; |
char buf[5]; |
const struct tbl_dat *dp; |
char *p; |
struct roffcol *col; |
size_t nsz; |
size_t ewidth, xwidth; |
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int spans; |
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int 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 |
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* 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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*/ |
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p = dst; |
assert(NULL == tbl->cols); |
nsz = 0; |
tbl->cols = mandoc_calloc((size_t)sp->opts->cols, |
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sizeof(struct roffcol)); |
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opts = sp->opts; |
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dst[0] = '\0'; |
for (maxcol = -1; sp; sp = sp->next) { |
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if (TBL_SPAN_DATA != sp->pos) |
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continue; |
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spans = 1; |
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/* |
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* 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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*/ |
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for (dp = sp->first; dp; dp = dp->next) { |
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/* Do not used spanned cells in the calculation. */ |
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if (0 < --spans) |
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continue; |
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spans = dp->spans; |
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if (1 < spans) |
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continue; |
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icol = dp->layout->col; |
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if (maxcol < icol) |
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maxcol = icol; |
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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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tblcalc_data(tbl, col, opts, dp); |
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} |
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} |
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if (0 == (nsz = strftime(p, sz, "%B ", &tm))) |
/* |
return; |
* Count columns to equalize and columns to maximize. |
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* Find maximum width of the columns to equalize. |
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* Find total width of the columns *not* to maximize. |
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*/ |
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p += (int)nsz; |
necol = nxcol = 0; |
sz -= nsz; |
ewidth = xwidth = 0; |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if (col->flags & TBL_CELL_EQUAL) { |
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necol++; |
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if (ewidth < col->width) |
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ewidth = col->width; |
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} |
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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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} |
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if (0 == strftime(buf, sizeof(buf), "%e, ", &tm)) |
/* |
return; |
* Equalize columns, if requested for any of them. |
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* Update total width of the columns not to maximize. |
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*/ |
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nsz = strlcat(p, buf + (' ' == buf[0] ? 1 : 0), sz); |
if (necol) { |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if ( ! (col->flags & TBL_CELL_EQUAL)) |
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continue; |
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if (col->width == ewidth) |
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continue; |
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if (nxcol && totalwidth) |
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xwidth += ewidth - col->width; |
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col->width = ewidth; |
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} |
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} |
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if (nsz >= sz) |
/* |
return; |
* If there are any columns to maximize, find the total |
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* available width, deducting 3n margins between columns. |
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* Distribute the available width evenly. |
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*/ |
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p += (int)nsz; |
if (nxcol && totalwidth) { |
sz -= nsz; |
xwidth = totalwidth - xwidth - 3*maxcol - |
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(opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ? |
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2 : !!opts->lvert + !!opts->rvert); |
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(void)strftime(p, sz, "%Y", &tm); |
/* |
} |
* Emulate a bug in GNU tbl width calculation that |
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* manifests itself for large numbers of x-columns. |
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* Emulating it for 5 x-columns gives identical |
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* behaviour for up to 6 x-columns. |
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*/ |
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if (nxcol == 5) { |
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quirkcol = xwidth % nxcol + 2; |
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if (quirkcol != 3 && quirkcol != 4) |
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quirkcol = -1; |
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} else |
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quirkcol = -1; |
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int |
necol = 0; |
a2roffdeco(enum roffdeco *d, const char **word, size_t *sz) |
ewidth = 0; |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if ( ! (col->flags & TBL_CELL_WMAX)) |
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continue; |
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col->width = (double)xwidth * ++necol / nxcol |
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- ewidth + 0.4995; |
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if (necol == quirkcol) |
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col->width--; |
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ewidth += col->width; |
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} |
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} |
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} |
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static void |
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tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl_opts *opts, const struct tbl_dat *dp) |
{ |
{ |
int i, j, lim; |
size_t sz; |
char term, c; |
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const char *wp; |
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*d = DECO_NONE; |
/* Branch down into data sub-types. */ |
lim = i = 0; |
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term = '\0'; |
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wp = *word; |
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switch ((c = wp[i++])) { |
switch (dp->layout->pos) { |
case ('('): |
case TBL_CELL_HORIZ: |
*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 */ |
/* FALLTHROUGH */ |
case ('f'): |
case TBL_CELL_DHORIZ: |
*d = 'F' == c ? DECO_FFONT : DECO_FONT; |
sz = (*tbl->len)(1, tbl->arg); |
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if (col->width < sz) |
switch (wp[i++]) { |
col->width = sz; |
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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} |
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break; |
break; |
case ('M'): |
case TBL_CELL_LONG: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('m'): |
case TBL_CELL_CENTRE: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('*'): |
case TBL_CELL_LEFT: |
if ('*' == c) |
/* FALLTHROUGH */ |
*d = DECO_RESERVED; |
case TBL_CELL_RIGHT: |
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tblcalc_literal(tbl, col, dp); |
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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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; |
break; |
case ('s'): |
case TBL_CELL_NUMBER: |
if ('+' == wp[i] || '-' == wp[i]) |
tblcalc_number(tbl, col, opts, dp); |
i++; |
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j = ('s' != wp[i - 1]); |
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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 ('\''): |
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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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if ('+' == wp[i] || '-' == wp[i]) { |
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if (j++) |
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return(i); |
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i++; |
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} |
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if (0 == j) |
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return(i); |
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break; |
break; |
case ('['): |
case TBL_CELL_DOWN: |
*d = DECO_SPECIAL; |
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term = ']'; |
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break; |
break; |
case ('c'): |
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*d = DECO_NOSPACE; |
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return(i); |
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default: |
default: |
*d = DECO_SSPECIAL; |
abort(); |
i--; |
/* NOTREACHED */ |
lim = 1; |
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break; |
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} |
} |
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} |
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assert(term || lim); |
static void |
*word = &wp[i]; |
tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl_dat *dp) |
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{ |
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size_t sz; |
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const char *str; |
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if (term) { |
str = dp->string ? dp->string : ""; |
j = i; |
sz = (*tbl->slen)(str, tbl->arg); |
while (wp[i] && wp[i] != term) |
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i++; |
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if ('\0' == wp[i]) { |
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*d = DECO_NONE; |
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return(i); |
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} |
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assert(i >= j); |
if (col->width < sz) |
*sz = (size_t)(i - j); |
col->width = sz; |
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} |
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return(i + 1); |
static void |
} |
tblcalc_number(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl_opts *opts, const struct tbl_dat *dp) |
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{ |
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int i; |
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size_t sz, psz, ssz, d; |
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const char *str; |
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char *cp; |
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char buf[2]; |
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assert(lim > 0); |
/* |
*sz = (size_t)lim; |
* First calculate number width and decimal place (last + 1 for |
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* non-decimal numbers). If the stored decimal is subsequent to |
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* ours, make our size longer by that difference |
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* (right-"shifting"); similarly, if ours is subsequent the |
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* stored, then extend the stored size by the difference. |
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* Finally, re-assign the stored values. |
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*/ |
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for (j = 0; wp[i] && j < lim; j++) |
str = dp->string ? dp->string : ""; |
i++; |
sz = (*tbl->slen)(str, tbl->arg); |
if (j < lim) |
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*d = DECO_NONE; |
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return(i); |
/* FIXME: TBL_DATA_HORIZ et al.? */ |
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buf[0] = opts->decimal; |
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buf[1] = '\0'; |
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psz = (*tbl->slen)(buf, tbl->arg); |
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if (NULL != (cp = strrchr(str, opts->decimal))) { |
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buf[1] = '\0'; |
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for (ssz = 0, i = 0; cp != &str[i]; i++) { |
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buf[0] = str[i]; |
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ssz += (*tbl->slen)(buf, tbl->arg); |
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} |
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d = ssz + psz; |
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} else |
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d = sz + psz; |
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/* Adjust the settings for this column. */ |
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if (col->decimal > d) { |
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sz += col->decimal - d; |
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d = col->decimal; |
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} else |
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col->width += d - col->decimal; |
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if (sz > col->width) |
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col->width = sz; |
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if (d > col->decimal) |
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col->decimal = d; |
} |
} |