version 1.64, 2014/08/13 20:34:29 |
version 1.71, 2014/12/19 17:12:04 |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
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#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "out.h" |
#include "out.h" |
#include "main.h" |
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#include "term.h" |
#include "term.h" |
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#include "main.h" |
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/* These work the buffer used by the header and footer. */ |
/* These work the buffer used by the header and footer. */ |
#define PS_BUFSLOP 128 |
#define PS_BUFSLOP 128 |
Line 60 struct termp_ps { |
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Line 58 struct termp_ps { |
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#define PS_INLINE (1 << 0) /* we're in a word */ |
#define PS_INLINE (1 << 0) /* we're in a word */ |
#define PS_MARGINS (1 << 1) /* we're in the margins */ |
#define PS_MARGINS (1 << 1) /* we're in the margins */ |
#define PS_NEWPAGE (1 << 2) /* new page, no words yet */ |
#define PS_NEWPAGE (1 << 2) /* new page, no words yet */ |
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#define PS_BACKSP (1 << 3) /* last character was backspace */ |
size_t pscol; /* visible column (AFM units) */ |
size_t pscol; /* visible column (AFM units) */ |
size_t psrow; /* visible row (AFM units) */ |
size_t psrow; /* visible row (AFM units) */ |
char *psmarg; /* margin buf */ |
char *psmarg; /* margin buf */ |
size_t psmargsz; /* margin buf size */ |
size_t psmargsz; /* margin buf size */ |
size_t psmargcur; /* cur index in margin buf */ |
size_t psmargcur; /* cur index in margin buf */ |
char last; /* character buffer */ |
char last; /* last non-backspace seen */ |
enum termfont lastf; /* last set font */ |
enum termfont lastf; /* last set font */ |
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enum termfont nextf; /* building next font here */ |
size_t scale; /* font scaling factor */ |
size_t scale; /* font scaling factor */ |
size_t pages; /* number of pages shown */ |
size_t pages; /* number of pages shown */ |
size_t lineheight; /* line height (AFM units) */ |
size_t lineheight; /* line height (AFM units) */ |
Line 105 static void ps_printf(struct termp *, const char *, |
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Line 105 static void ps_printf(struct termp *, const char *, |
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static void ps_putchar(struct termp *, char); |
static void ps_putchar(struct termp *, char); |
static void ps_setfont(struct termp *, enum termfont); |
static void ps_setfont(struct termp *, enum termfont); |
static void ps_setwidth(struct termp *, int, size_t); |
static void ps_setwidth(struct termp *, int, size_t); |
static struct termp *pspdf_alloc(char *); |
static struct termp *pspdf_alloc(const struct mchars *, char *); |
static void pdf_obj(struct termp *, size_t); |
static void pdf_obj(struct termp *, size_t); |
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/* |
/* |
Line 406 static const struct font fonts[TERMFONT__MAX] = { |
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Line 406 static const struct font fonts[TERMFONT__MAX] = { |
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{ 400 }, |
{ 400 }, |
{ 541 }, |
{ 541 }, |
} }, |
} }, |
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{ "Times-BoldItalic", { |
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{ 250 }, |
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{ 389 }, |
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{ 555 }, |
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{ 500 }, |
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{ 500 }, |
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{ 833 }, |
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{ 778 }, |
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{ 333 }, |
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{ 333 }, |
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{ 333 }, |
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{ 500 }, |
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{ 570 }, |
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{ 250 }, |
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{ 333 }, |
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{ 250 }, |
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{ 278 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 333 }, |
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{ 333 }, |
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{ 570 }, |
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{ 570 }, |
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{ 570 }, |
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{ 500 }, |
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{ 832 }, |
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{ 667 }, |
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{ 667 }, |
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{ 667 }, |
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{ 722 }, |
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{ 667 }, |
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{ 667 }, |
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{ 722 }, |
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{ 778 }, |
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{ 389 }, |
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{ 500 }, |
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{ 667 }, |
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{ 611 }, |
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{ 889 }, |
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{ 722 }, |
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{ 722 }, |
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{ 611 }, |
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{ 722 }, |
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{ 667 }, |
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{ 556 }, |
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{ 611 }, |
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{ 722 }, |
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{ 667 }, |
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{ 889 }, |
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{ 667 }, |
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{ 611 }, |
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{ 611 }, |
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{ 333 }, |
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{ 278 }, |
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{ 333 }, |
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{ 570 }, |
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{ 500 }, |
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{ 333 }, |
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{ 500 }, |
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{ 500 }, |
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{ 444 }, |
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{ 500 }, |
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{ 444 }, |
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{ 333 }, |
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{ 500 }, |
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{ 556 }, |
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{ 278 }, |
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{ 278 }, |
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{ 500 }, |
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{ 278 }, |
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{ 778 }, |
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{ 556 }, |
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{ 500 }, |
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{ 500 }, |
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{ 500 }, |
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{ 389 }, |
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{ 389 }, |
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{ 278 }, |
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{ 556 }, |
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{ 444 }, |
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{ 667 }, |
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{ 500 }, |
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{ 444 }, |
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{ 389 }, |
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{ 348 }, |
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{ 220 }, |
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{ 348 }, |
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{ 570 }, |
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} }, |
}; |
}; |
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void * |
void * |
pdf_alloc(char *outopts) |
pdf_alloc(const struct mchars *mchars, char *outopts) |
{ |
{ |
struct termp *p; |
struct termp *p; |
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if (NULL != (p = pspdf_alloc(outopts))) |
if (NULL != (p = pspdf_alloc(mchars, outopts))) |
p->type = TERMTYPE_PDF; |
p->type = TERMTYPE_PDF; |
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return(p); |
return(p); |
} |
} |
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void * |
void * |
ps_alloc(char *outopts) |
ps_alloc(const struct mchars *mchars, char *outopts) |
{ |
{ |
struct termp *p; |
struct termp *p; |
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if (NULL != (p = pspdf_alloc(outopts))) |
if (NULL != (p = pspdf_alloc(mchars, outopts))) |
p->type = TERMTYPE_PS; |
p->type = TERMTYPE_PS; |
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return(p); |
return(p); |
} |
} |
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static struct termp * |
static struct termp * |
pspdf_alloc(char *outopts) |
pspdf_alloc(const struct mchars *mchars, char *outopts) |
{ |
{ |
struct termp *p; |
struct termp *p; |
unsigned int pagex, pagey; |
unsigned int pagex, pagey; |
Line 441 pspdf_alloc(char *outopts) |
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Line 538 pspdf_alloc(char *outopts) |
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char *v; |
char *v; |
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p = mandoc_calloc(1, sizeof(struct termp)); |
p = mandoc_calloc(1, sizeof(struct termp)); |
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p->symtab = mchars; |
p->enc = TERMENC_ASCII; |
p->enc = TERMENC_ASCII; |
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p->fontq = mandoc_reallocarray(NULL, |
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(p->fontsz = 8), sizeof(enum termfont)); |
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p->fontq[0] = p->fontl = TERMFONT_NONE; |
p->ps = mandoc_calloc(1, sizeof(struct termp_ps)); |
p->ps = mandoc_calloc(1, sizeof(struct termp_ps)); |
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p->advance = ps_advance; |
p->advance = ps_advance; |
Line 536 ps_setwidth(struct termp *p, int iop, size_t width) |
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Line 637 ps_setwidth(struct termp *p, int iop, size_t width) |
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size_t lastwidth; |
size_t lastwidth; |
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lastwidth = p->ps->width; |
lastwidth = p->ps->width; |
if (0 < iop) |
if (iop > 0) |
p->ps->width += width; |
p->ps->width += width; |
else if (0 > iop) |
else if (iop == 0) |
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p->ps->width = width ? width : p->ps->lastwidth; |
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else if (p->ps->width > width) |
p->ps->width -= width; |
p->ps->width -= width; |
else |
else |
p->ps->width = width ? width : p->ps->lastwidth; |
p->ps->width = 0; |
p->ps->lastwidth = lastwidth; |
p->ps->lastwidth = lastwidth; |
} |
} |
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Line 754 ps_end(struct termp *p) |
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Line 857 ps_end(struct termp *p) |
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static void |
static void |
ps_begin(struct termp *p) |
ps_begin(struct termp *p) |
{ |
{ |
time_t t; |
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int i; |
int i; |
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/* |
/* |
Line 795 ps_begin(struct termp *p) |
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Line 897 ps_begin(struct termp *p) |
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* stuff gets printed to the screen, so make sure we're sane. |
* stuff gets printed to the screen, so make sure we're sane. |
*/ |
*/ |
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t = time(NULL); |
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if (TERMTYPE_PS == p->type) { |
if (TERMTYPE_PS == p->type) { |
ps_printf(p, "%%!PS-Adobe-3.0\n"); |
ps_printf(p, "%%!PS-Adobe-3.0\n"); |
ps_printf(p, "%%%%CreationDate: %s", ctime(&t)); |
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ps_printf(p, "%%%%DocumentData: Clean7Bit\n"); |
ps_printf(p, "%%%%DocumentData: Clean7Bit\n"); |
ps_printf(p, "%%%%Orientation: Portrait\n"); |
ps_printf(p, "%%%%Orientation: Portrait\n"); |
ps_printf(p, "%%%%Pages: (atend)\n"); |
ps_printf(p, "%%%%Pages: (atend)\n"); |
Line 953 ps_fclose(struct termp *p) |
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Line 1052 ps_fclose(struct termp *p) |
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* Following this, close out any scope that's open. |
* Following this, close out any scope that's open. |
*/ |
*/ |
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if ('\0' != p->ps->last) { |
if (p->ps->last != '\0') { |
if (p->ps->lastf != TERMFONT_NONE) { |
assert( ! (p->ps->flags & PS_BACKSP)); |
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if (p->ps->nextf != p->ps->lastf) { |
ps_pclose(p); |
ps_pclose(p); |
ps_setfont(p, TERMFONT_NONE); |
ps_setfont(p, p->ps->nextf); |
} |
} |
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p->ps->nextf = TERMFONT_NONE; |
ps_pletter(p, p->ps->last); |
ps_pletter(p, p->ps->last); |
p->ps->last = '\0'; |
p->ps->last = '\0'; |
} |
} |
Line 971 ps_fclose(struct termp *p) |
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Line 1072 ps_fclose(struct termp *p) |
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static void |
static void |
ps_letter(struct termp *p, int arg) |
ps_letter(struct termp *p, int arg) |
{ |
{ |
char cc, c; |
size_t savecol; |
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char c; |
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c = arg >= 128 || arg <= 0 ? '?' : arg; |
c = arg >= 128 || arg <= 0 ? '?' : arg; |
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/* |
/* |
* State machine dictates whether to buffer the last character |
* When receiving a backspace, merely flag it. |
* or not. Basically, encoded words are detected by checking if |
* We don't know yet whether it is |
* we're an "8" and switching on the buffer. Then we put "8" in |
* a font instruction or an overstrike. |
* our buffer, and on the next charater, flush both character |
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* and buffer. Thus, "regular" words are detected by having a |
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* regular character and a regular buffer character. |
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*/ |
*/ |
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if ('\0' == p->ps->last) { |
if (c == '\b') { |
assert(8 != c); |
assert(p->ps->last != '\0'); |
p->ps->last = c; |
assert( ! (p->ps->flags & PS_BACKSP)); |
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p->ps->flags |= PS_BACKSP; |
return; |
return; |
} else if (8 == p->ps->last) { |
} |
assert(8 != c); |
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p->ps->last = '\0'; |
/* |
} else if (8 == c) { |
* Decode font instructions. |
assert(8 != p->ps->last); |
*/ |
if ('_' == p->ps->last) { |
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if (p->ps->lastf != TERMFONT_UNDER) { |
if (p->ps->flags & PS_BACKSP) { |
ps_pclose(p); |
if (p->ps->last == '_') { |
ps_setfont(p, TERMFONT_UNDER); |
switch (p->ps->nextf) { |
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case TERMFONT_BI: |
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break; |
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case TERMFONT_BOLD: |
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p->ps->nextf = TERMFONT_BI; |
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break; |
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default: |
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p->ps->nextf = TERMFONT_UNDER; |
} |
} |
} else if (p->ps->lastf != TERMFONT_BOLD) { |
p->ps->last = c; |
ps_pclose(p); |
p->ps->flags &= ~PS_BACKSP; |
ps_setfont(p, TERMFONT_BOLD); |
return; |
} |
} |
p->ps->last = c; |
if (p->ps->last == c) { |
return; |
switch (p->ps->nextf) { |
} else { |
case TERMFONT_BI: |
if (p->ps->lastf != TERMFONT_NONE) { |
break; |
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case TERMFONT_UNDER: |
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p->ps->nextf = TERMFONT_BI; |
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break; |
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default: |
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p->ps->nextf = TERMFONT_BOLD; |
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} |
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p->ps->flags &= ~PS_BACKSP; |
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return; |
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} |
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/* |
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* This is not a font instruction, but rather |
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* the next character. Prepare for overstrike. |
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*/ |
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savecol = p->ps->pscol; |
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} else |
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savecol = SIZE_MAX; |
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/* |
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* We found the next character, so the font instructions |
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* for the previous one are complete. |
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* Use them and print it. |
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*/ |
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if (p->ps->last != '\0') { |
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if (p->ps->nextf != p->ps->lastf) { |
ps_pclose(p); |
ps_pclose(p); |
ps_setfont(p, TERMFONT_NONE); |
ps_setfont(p, p->ps->nextf); |
} |
} |
cc = p->ps->last; |
p->ps->nextf = TERMFONT_NONE; |
p->ps->last = c; |
ps_pletter(p, p->ps->last); |
c = cc; |
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} |
} |
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ps_pletter(p, c); |
/* |
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* Do not print the current character yet because font |
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* instructions might follow; only remember it. |
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* For the first character, nothing else is done. |
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* The final character will get printed from ps_fclose(). |
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*/ |
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p->ps->last = c; |
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/* |
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* For an overstrike, back up to the previous position. |
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*/ |
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if (savecol != SIZE_MAX) { |
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ps_pclose(p); |
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p->ps->pscol = savecol; |
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p->ps->flags &= ~PS_BACKSP; |
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} |
} |
} |
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static void |
static void |