version 1.48, 2014/04/20 16:46:05 |
version 1.69, 2017/06/15 00:27:52 |
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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 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 "out.h" |
#include "out.h" |
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static void tblcalc_data(struct rofftbl *, struct roffcol *, |
static void tblcalc_data(struct rofftbl *, struct roffcol *, |
const struct tbl_opts *, const struct tbl_dat *); |
const struct tbl_opts *, const struct tbl_dat *, |
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size_t); |
static void tblcalc_literal(struct rofftbl *, struct roffcol *, |
static void tblcalc_literal(struct rofftbl *, struct roffcol *, |
const struct tbl_dat *); |
const struct tbl_dat *, size_t); |
static void tblcalc_number(struct rofftbl *, struct roffcol *, |
static void tblcalc_number(struct rofftbl *, struct roffcol *, |
const struct tbl_opts *, const struct tbl_dat *); |
const struct tbl_opts *, const struct tbl_dat *); |
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/* |
/* |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
* Parse the *src string and store a scaling unit into *dst. |
* units are documented in groff.7, mdoc.7, man.7. |
* 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; |
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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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switch (*src) { |
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case '+': |
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src++; |
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break; |
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case '-': |
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buf[i++] = *src++; |
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break; |
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default: |
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break; |
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} |
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if ('\0' == *src) |
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return(0); |
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while (i < BUFSIZ) { |
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if ( ! isdigit((unsigned 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': |
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 'P': |
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unit = SCALE_PC; |
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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': |
case 'f': |
unit = SCALE_FS; |
dst->unit = SCALE_FS; |
break; |
break; |
case 'v': |
case 'M': |
unit = SCALE_VS; |
dst->unit = SCALE_MM; |
break; |
break; |
case 'm': |
case 'm': |
unit = SCALE_EM; |
dst->unit = SCALE_EM; |
break; |
break; |
case '\0': |
case 'n': |
if (SCALE_MAX == def) |
dst->unit = SCALE_EN; |
return(0); |
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unit = SCALE_BU; |
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break; |
break; |
case 'u': |
case 'P': |
unit = SCALE_BU; |
dst->unit = SCALE_PC; |
break; |
break; |
case 'M': |
case 'p': |
unit = SCALE_MM; |
dst->unit = SCALE_PT; |
break; |
break; |
case 'n': |
case 'u': |
unit = SCALE_EN; |
dst->unit = SCALE_BU; |
break; |
break; |
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case 'v': |
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dst->unit = SCALE_VS; |
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break; |
default: |
default: |
return(0); |
endptr--; |
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if (SCALE_MAX == def) |
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return NULL; |
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dst->unit = def; |
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break; |
} |
} |
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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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/* |
/* |
Line 141 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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Line 102 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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* used for the actual width calculations. |
* used for the actual width calculations. |
*/ |
*/ |
void |
void |
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) |
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp, |
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size_t offset, size_t rmargin) |
{ |
{ |
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struct roffsu su; |
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const struct tbl_opts *opts; |
const struct tbl_dat *dp; |
const struct tbl_dat *dp; |
struct roffcol *col; |
struct roffcol *col; |
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size_t ewidth, xwidth; |
int spans; |
int spans; |
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int icol, maxcol, necol, nxcol, quirkcol; |
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/* |
/* |
* Allocate the master column specifiers. These will hold the |
* Allocate the master column specifiers. These will hold the |
Line 156 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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Line 122 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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assert(NULL == tbl->cols); |
assert(NULL == tbl->cols); |
tbl->cols = mandoc_calloc((size_t)sp->opts->cols, |
tbl->cols = mandoc_calloc((size_t)sp->opts->cols, |
sizeof(struct roffcol)); |
sizeof(struct roffcol)); |
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opts = sp->opts; |
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for ( ; sp; sp = sp->next) { |
for (maxcol = -1; sp; sp = sp->next) { |
if (TBL_SPAN_DATA != sp->pos) |
if (TBL_SPAN_DATA != sp->pos) |
continue; |
continue; |
spans = 1; |
spans = 1; |
Line 172 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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Line 139 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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spans = dp->spans; |
spans = dp->spans; |
if (1 < spans) |
if (1 < spans) |
continue; |
continue; |
assert(dp->layout); |
icol = dp->layout->col; |
col = &tbl->cols[dp->layout->head->ident]; |
if (maxcol < icol) |
tblcalc_data(tbl, col, sp->opts, dp); |
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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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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tblcalc_data(tbl, col, 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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/* |
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* 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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necol = nxcol = 0; |
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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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/* |
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* 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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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 && rmargin) |
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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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/* |
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* 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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if (nxcol && rmargin) { |
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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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if (rmargin <= offset + xwidth) |
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return; |
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xwidth = rmargin - offset - xwidth; |
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/* |
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* 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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necol = 0; |
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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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static void |
static void |
tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
const struct tbl_opts *opts, const struct tbl_dat *dp) |
const struct tbl_opts *opts, const struct tbl_dat *dp, size_t mw) |
{ |
{ |
size_t sz; |
size_t sz; |
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Line 189 tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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Line 254 tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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switch (dp->layout->pos) { |
switch (dp->layout->pos) { |
case TBL_CELL_HORIZ: |
case TBL_CELL_HORIZ: |
/* FALLTHROUGH */ |
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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->width < sz) |
col->width = sz; |
col->width = sz; |
break; |
break; |
case TBL_CELL_LONG: |
case TBL_CELL_LONG: |
/* FALLTHROUGH */ |
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case TBL_CELL_CENTRE: |
case TBL_CELL_CENTRE: |
/* FALLTHROUGH */ |
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case TBL_CELL_LEFT: |
case TBL_CELL_LEFT: |
/* FALLTHROUGH */ |
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case TBL_CELL_RIGHT: |
case TBL_CELL_RIGHT: |
tblcalc_literal(tbl, col, dp); |
tblcalc_literal(tbl, col, dp, mw); |
break; |
break; |
case TBL_CELL_NUMBER: |
case TBL_CELL_NUMBER: |
tblcalc_number(tbl, col, opts, dp); |
tblcalc_number(tbl, col, opts, dp); |
Line 211 tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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Line 272 tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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break; |
break; |
default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
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} |
} |
} |
} |
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static void |
static void |
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; |
const char *str; /* Beginning of the first line. */ |
const char *str; |
const char *beg; /* Beginning of the current line. */ |
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char *end; /* End of the current line. */ |
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size_t lsz; /* Length of the current line. */ |
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size_t wsz; /* Length of the current word. */ |
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str = dp->string ? dp->string : ""; |
if (dp->string == NULL || *dp->string == '\0') |
sz = (*tbl->slen)(str, tbl->arg); |
return; |
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str = mw ? mandoc_strdup(dp->string) : dp->string; |
if (col->width < sz) |
lsz = 0; |
col->width = sz; |
for (beg = str; beg != NULL && *beg != '\0'; beg = end) { |
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end = mw ? strchr(beg, ' ') : NULL; |
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if (end != NULL) { |
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*end++ = '\0'; |
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while (*end == ' ') |
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end++; |
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} |
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wsz = (*tbl->slen)(beg, tbl->arg); |
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if (mw && lsz && lsz + 1 + wsz <= mw) |
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lsz += 1 + wsz; |
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else |
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lsz = wsz; |
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if (col->width < lsz) |
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col->width = lsz; |
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} |
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if (mw) |
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free((void *)str); |
} |
} |
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static void |
static void |