02110-1301, USA. */
#include <config.h>
-#include <libpspp/message.h>
+
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
+
+#include <data/filename.h>
#include <libpspp/alloc.h>
-#include <libpspp/message.h>
-#include "chart.h"
#include <libpspp/compiler.h>
-#include <data/filename.h>
-#include <libpspp/misc.h>
-#include "output.h"
+#include <libpspp/message.h>
#include <libpspp/pool.h>
#include <libpspp/start-date.h>
#include <libpspp/version.h>
+#include "chart.h"
+#include "error.h"
+#include "minmax.h"
+#include "output.h"
+
#include "gettext.h"
#define _(msgid) gettext (msgid)
/* ASCII driver options: (defaults listed first)
output-file="pspp.list"
- char-set=ascii|latin1
- form-feed-string="\f" Written as a formfeed.
- newline-string=default|"\r\n"|"\n"
- Written as a newline.
paginate=on|off Formfeeds are desired?
tab-width=8 Width of a tab; 0 to not use tabs.
- init="" Written at beginning of output.
- done="" Written at end of output.
headers=on|off Put headers at top of page?
+ emphasis=bold|underline|none Style to use for emphasis.
length=66
width=130
- lpi=6 Only used to determine font size.
- cpi=10
squeeze=off|on Squeeze multiple newlines into exactly one.
- left-margin=0
- right-margin=0
top-margin=2
bottom-margin=2
box[x]="strng" Sets box character X (X in base 4: 0-3333).
- italic-on=overstrike|"strng" Turns on italic (underline).
- italic-off=""|"strng" Turns off italic; ignored for overstrike.
- bold-on=overstrike|"strng" Turns on bold.
- bold-off=""|"strng" Turns off bold; ignored for overstrike.
- bold-italic-on=overstrike|"strng" Turns on bold-italic.
- bold-italic-off=""|"strng" Turns off bold-italic; ignored for overstrike.
- overstrike-style=single|line Can we print a whole line then BS over it, or
- must we go char by char, as on a terminal?
- carriage-return-style=bs|cr Must we return the carriage with a sequence of
- BSes, or will a single CR do it?
*/
/* Disable messages by failed range checks. */
/*#define SUPPRESS_WARNINGS 1 */
-/* Character set. */
-enum
- {
- CHS_ASCII, /* 7-bit ASCII */
- CHS_LATIN1 /* Latin 1; not really supported at the moment */
- };
-
-/* Overstrike style. */
-enum
- {
- OVS_SINGLE, /* Overstrike each character: "a\b_b\b_c\b_" */
- OVS_LINE /* Overstrike lines: "abc\b\b\b___" (or if
- newline is "\r\n", then "abc\r___"). Easier
- on the printer, doesn't work on a tty. */
- };
-
-/* Basic output strings. */
-enum
- {
- OPS_INIT, /* Document initialization string. */
- OPS_DONE, /* Document uninit string. */
- OPS_FORMFEED, /* Formfeed string. */
- OPS_NEWLINE, /* Newline string. */
-
- OPS_COUNT /* Number of output strings. */
- };
-
/* Line styles bit shifts. */
enum
{
LNS_COUNT = 256
};
-/* Carriage return style. */
-enum
- {
- CRS_BS, /* Multiple backspaces. */
- CRS_CR /* Single carriage return. */
- };
-
-/* Assembles a byte from four taystes. */
-#define TAYSTE2BYTE(T, L, B, R) \
- (((T) << LNS_TOP) \
- | ((L) << LNS_LEFT) \
- | ((B) << LNS_BOTTOM) \
- | ((R) << LNS_RIGHT))
-
-/* Extract tayste with shift value S from byte B. */
-#define BYTE2TAYSTE(B, S) \
- (((B) >> (S)) & 3)
-
-/* Font style; take one of the first group |'d with one of the second group. */
-enum
- {
- FSTY_ON = 000, /* Turn font on. */
- FSTY_OFF = 001, /* Turn font off. */
-
- FSTY_ITALIC = 0, /* Italic font. */
- FSTY_BOLD = 2, /* Bold font. */
- FSTY_BOLD_ITALIC = 4, /* Bold-italic font. */
-
- FSTY_COUNT = 6 /* Number of font styles. */
- };
+/* Character attributes. */
+#define ATTR_EMPHASIS 0x100 /* Bold-face. */
+#define ATTR_BOX 0x200 /* Line drawing character. */
/* A line of text. */
struct line
int char_cap; /* Allocated bytes. */
};
+/* How to emphasize text. */
+enum emphasis_style
+ {
+ EMPH_BOLD, /* Overstrike for bold. */
+ EMPH_UNDERLINE, /* Overstrike for underlining. */
+ EMPH_NONE /* No emphasis. */
+ };
+
/* ASCII output driver extension record. */
struct ascii_driver_ext
{
+ struct pool *pool;
+
/* User parameters. */
- int char_set; /* CHS_ASCII/CHS_LATIN1; no-op right now. */
- int headers; /* 1=print headers at top of page. */
- int page_length; /* Page length in lines. */
- int page_width; /* Page width in characters. */
- int lpi; /* Lines per inch. */
- int cpi; /* Characters per inch. */
- int left_margin; /* Left margin in characters. */
- int right_margin; /* Right margin in characters. */
+ bool headers; /* Print headers at top of page? */
+ bool paginate; /* Insert formfeeds? */
+ bool squeeze_blank_lines; /* Squeeze multiple blank lines into one? */
+ enum emphasis_style emphasis; /* How to emphasize text. */
+ int tab_width; /* Width of a tab; 0 not to use tabs. */
+
+ int page_length; /* Page length before subtracting margins. */
int top_margin; /* Top margin in lines. */
int bottom_margin; /* Bottom margin in lines. */
- int paginate; /* 1=insert formfeeds. */
- int tab_width; /* Width of a tab; 0 not to use tabs. */
- struct fixed_string ops[OPS_COUNT]; /* Basic output strings. */
- struct fixed_string box[LNS_COUNT]; /* Line & box drawing characters. */
- struct fixed_string fonts[FSTY_COUNT]; /* Font styles; NULL=overstrike. */
- int overstrike_style; /* OVS_SINGLE or OVS_LINE. */
- int carriage_return_style; /* Carriage return style. */
- int squeeze_blank_lines; /* 1=squeeze multiple blank lines into one. */
+
+ char *box[LNS_COUNT]; /* Line & box drawing characters. */
/* Internal state. */
- struct file_ext file; /* Output file. */
+ char *file_name; /* Output file name. */
+ FILE *file; /* Output file. */
int page_number; /* Current page number. */
struct line *lines; /* Page content. */
- int lines_cap; /* Number of lines allocated. */
- int w, l; /* Actual width & length w/o margins, etc. */
- int cur_font; /* Current font by OUTP_F_*. */
-#if DEBUGGING
- int debug; /* Set by som_text_draw(). */
-#endif
+ int line_cap; /* Number of lines allocated. */
};
-static int postopen (struct file_ext *);
-static int preclose (struct file_ext *);
-
-static struct outp_option_info *option_info;
-
-static int
-ascii_open_global (struct outp_class *this UNUSED)
-{
- option_info = xmalloc (sizeof *option_info);
- option_info->initial = 0;
- option_info->options = 0;
- return 1;
-}
-
-
-static char *s;
-static int
-ascii_close_global (struct outp_class *this UNUSED)
-{
- free(option_info->initial);
- free(option_info->options);
- free(option_info);
- free(s);
- return 1;
-}
-
-static int *
-ascii_font_sizes (struct outp_class *this UNUSED, int *n_valid_sizes)
-{
- static int valid_sizes[] = {12, 12, 0, 0};
-
- assert (n_valid_sizes);
- *n_valid_sizes = 1;
- return valid_sizes;
-}
+static int get_default_box_char (size_t idx);
+static bool handle_option (struct outp_driver *this, const char *key,
+ const struct string *val);
-static int
-ascii_preopen_driver (struct outp_driver *this)
+static bool
+ascii_open_driver (struct outp_driver *this, const char *options)
{
struct ascii_driver_ext *x;
int i;
-
- assert (this->driver_open == 0);
- msg (VM (1), _("ASCII driver initializing as `%s'..."), this->name);
- this->ext = x = xmalloc (sizeof *x);
- x->char_set = CHS_ASCII;
- x->headers = 1;
+
+ this->width = 79;
+ this->font_height = 1;
+ this->prop_em_width = 1;
+ this->fixed_width = 1;
+ for (i = 0; i < OUTP_L_COUNT; i++)
+ this->horiz_line_width[i] = this->vert_line_width[i] = i != OUTP_L_NONE;
+
+ this->ext = x = pool_create_container (struct ascii_driver_ext, pool);
+ x->headers = true;
+ x->paginate = true;
+ x->squeeze_blank_lines = false;
+ x->emphasis = EMPH_BOLD;
+ x->tab_width = 8;
x->page_length = 66;
- x->page_width = 79;
- x->lpi = 6;
- x->cpi = 10;
- x->left_margin = 0;
- x->right_margin = 0;
x->top_margin = 2;
x->bottom_margin = 2;
- x->paginate = 1;
- x->tab_width = 8;
- for (i = 0; i < OPS_COUNT; i++)
- ls_null (&x->ops[i]);
for (i = 0; i < LNS_COUNT; i++)
- ls_null (&x->box[i]);
- for (i = 0; i < FSTY_COUNT; i++)
- ls_null (&x->fonts[i]);
- x->overstrike_style = OVS_SINGLE;
- x->carriage_return_style = CRS_BS;
- x->squeeze_blank_lines = 0;
- x->file.filename = NULL;
- x->file.mode = "wb";
- x->file.file = NULL;
- x->file.sequence_no = &x->page_number;
- x->file.param = x;
- x->file.postopen = postopen;
- x->file.preclose = preclose;
+ x->box[i] = NULL;
+ x->file_name = pool_strdup (x->pool, "pspp.list");
+ x->file = NULL;
x->page_number = 0;
x->lines = NULL;
- x->lines_cap = 0;
- x->cur_font = OUTP_F_R;
-#if DEBUGGING
- x->debug = 0;
-#endif
- return 1;
-}
+ x->line_cap = 0;
-static int
-ascii_postopen_driver (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
-
- assert (this->driver_open == 0);
-
- if (NULL == x->file.filename)
- x->file.filename = xstrdup ("pspp.list");
-
- x->w = x->page_width - x->left_margin - x->right_margin;
- x->l = (x->page_length - (x->headers ? 3 : 0) - x->top_margin
- - x->bottom_margin - 1);
- if (x->w < 59 || x->l < 15)
+ if (!outp_parse_options (options, handle_option, this))
+ goto error;
+
+ x->file = pool_fopen (x->pool, x->file_name, "w");
+ if (x->file == NULL)
{
- msg (SE, _("ascii driver: Area of page excluding margins and headers "
- "must be at least 59 characters wide by 15 lines long. Page as "
- "configured is only %d characters by %d lines."), x->w, x->l);
- return 0;
+ error (0, errno, _("ascii: opening output file \"%s\""), x->file_name);
+ goto error;
}
+
+ this->length = x->page_length - x->top_margin - x->bottom_margin - 1;
+ if (x->headers)
+ this->length -= 3;
- this->res = x->lpi * x->cpi;
- this->horiz = x->lpi;
- this->vert = x->cpi;
- this->width = x->w * this->horiz;
- this->length = x->l * this->vert;
-
- if (ls_null_p (&x->ops[OPS_FORMFEED]))
- ls_create (&x->ops[OPS_FORMFEED], "\f");
- if (ls_null_p (&x->ops[OPS_NEWLINE])
- || !strcmp (ls_c_str (&x->ops[OPS_NEWLINE]), "default"))
+ if (this->width < 59 || this->length < 15)
{
- ls_create (&x->ops[OPS_NEWLINE], "\n");
- x->file.mode = "wt";
+ error (0, 0,
+ _("ascii: page excluding margins and headers "
+ "must be at least 59 characters wide by 15 lines long, but as "
+ "configured is only %d characters by %d lines"),
+ this->width, this->length);
+ return false;
}
-
- {
- int i;
-
- for (i = 0; i < LNS_COUNT; i++)
+
+ for (i = 0; i < LNS_COUNT; i++)
+ if (x->box[i] == NULL)
{
- char c[2];
- c[1] = 0;
- if (!ls_null_p (&x->box[i]))
- continue;
- switch (i)
- {
- case TAYSTE2BYTE (0, 0, 0, 0):
- c[0] = ' ';
- break;
+ char s[2];
+ s[0] = get_default_box_char (i);
+ s[1] = '\0';
+ x->box[i] = pool_strdup (x->pool, s);
+ }
+
+ return true;
- case TAYSTE2BYTE (0, 1, 0, 0):
- case TAYSTE2BYTE (0, 1, 0, 1):
- case TAYSTE2BYTE (0, 0, 0, 1):
- c[0] = '-';
- break;
+ error:
+ pool_destroy (x->pool);
+ return false;
+}
- case TAYSTE2BYTE (1, 0, 0, 0):
- case TAYSTE2BYTE (1, 0, 1, 0):
- case TAYSTE2BYTE (0, 0, 1, 0):
- c[0] = '|';
- break;
+static int
+get_default_box_char (size_t idx)
+{
+ /* Disassemble IDX into components. */
+ unsigned top = (idx >> LNS_TOP) & 3;
+ unsigned left = (idx >> LNS_LEFT) & 3;
+ unsigned bottom = (idx >> LNS_BOTTOM) & 3;
+ unsigned right = (idx >> LNS_RIGHT) & 3;
- case TAYSTE2BYTE (0, 3, 0, 0):
- case TAYSTE2BYTE (0, 3, 0, 3):
- case TAYSTE2BYTE (0, 0, 0, 3):
- case TAYSTE2BYTE (0, 2, 0, 0):
- case TAYSTE2BYTE (0, 2, 0, 2):
- case TAYSTE2BYTE (0, 0, 0, 2):
- c[0] = '=';
- break;
+ /* Reassemble components into nibbles in the order TLBR.
+ This makes it easy to read the case labels. */
+ unsigned value = (top << 12) | (left << 8) | (bottom << 4) | (right << 0);
+ switch (value)
+ {
+ case 0x0000:
+ return ' ';
- case TAYSTE2BYTE (3, 0, 0, 0):
- case TAYSTE2BYTE (3, 0, 3, 0):
- case TAYSTE2BYTE (0, 0, 3, 0):
- case TAYSTE2BYTE (2, 0, 0, 0):
- case TAYSTE2BYTE (2, 0, 2, 0):
- case TAYSTE2BYTE (0, 0, 2, 0):
- c[0] = '#';
- break;
+ case 0x0100: case 0x0101: case 0x0001:
+ return '-';
- default:
- if (BYTE2TAYSTE (i, LNS_LEFT) > 1
- || BYTE2TAYSTE (i, LNS_TOP) > 1
- || BYTE2TAYSTE (i, LNS_RIGHT) > 1
- || BYTE2TAYSTE (i, LNS_BOTTOM) > 1)
- c[0] = '#';
- else
- c[0] = '+';
- break;
- }
- ls_create (&x->box[i], c);
- }
- }
-
- {
- int i;
-
- this->cp_x = this->cp_y = 0;
- this->font_height = this->vert;
- this->prop_em_width = this->horiz;
- this->fixed_width = this->horiz;
-
- this->horiz_line_width[0] = 0;
- this->vert_line_width[0] = 0;
-
- for (i = 1; i < OUTP_L_COUNT; i++)
- {
- this->horiz_line_width[i] = this->vert;
- this->vert_line_width[i] = this->horiz;
- }
-
- for (i = 0; i < (1 << OUTP_L_COUNT); i++)
- {
- this->horiz_line_spacing[i] = (i & ~1) ? this->vert : 0;
- this->vert_line_spacing[i] = (i & ~1) ? this->horiz : 0;
- }
- }
-
- this->driver_open = 1;
- msg (VM (2), _("%s: Initialization complete."), this->name);
+ case 0x1000: case 0x1010: case 0x0010:
+ return '|';
+
+ case 0x0300: case 0x0303: case 0x0003:
+ case 0x0200: case 0x0202: case 0x0002:
+ return '=';
- return 1;
+ default:
+ return left > 1 || top > 1 || right > 1 || bottom > 1 ? '#' : '+';
+ }
}
-static int
+static bool
ascii_close_driver (struct outp_driver *this)
{
struct ascii_driver_ext *x = this->ext;
- int i;
-
- assert (this->driver_open == 1);
- msg (VM (2), _("%s: Beginning closing..."), this->name);
-
- x = this->ext;
- for (i = 0; i < OPS_COUNT; i++)
- ls_destroy (&x->ops[i]);
- for (i = 0; i < LNS_COUNT; i++)
- ls_destroy (&x->box[i]);
- for (i = 0; i < FSTY_COUNT; i++)
- ls_destroy (&x->fonts[i]);
- if (x->lines != NULL)
- {
- int line;
-
- for (line = 0; line < x->lines_cap; line++)
- free (x->lines[line].chars);
- free (x->lines);
- }
- fn_close_ext (&x->file);
- free (x->file.filename);
- free (x);
- this->driver_open = 0;
- msg (VM (3), _("%s: Finished closing."), this->name);
+ if (fn_close (x->file_name, x->file) != 0)
+ error (0, errno, _("ascii: closing output file \"%s\""), x->file_name);
+ pool_detach_file (x->pool, x->file);
+ pool_destroy (x->pool);
- return 1;
+ return true;
}
/* Generic option types. */
enum
{
- pos_int_arg = -10,
- nonneg_int_arg,
+ boolean_arg,
string_arg,
- font_string_arg,
- boolean_arg
+ nonneg_int_arg,
+ pos_int_arg,
+ output_file_arg
};
static struct outp_option option_tab[] =
{
{"headers", boolean_arg, 0},
- {"output-file", 1, 0},
- {"char-set", 2, 0},
- {"length", pos_int_arg, 0},
- {"width", pos_int_arg, 1},
- {"lpi", pos_int_arg, 2},
- {"cpi", pos_int_arg, 3},
- {"init", string_arg, 0},
- {"done", string_arg, 1},
- {"left-margin", nonneg_int_arg, 0},
- {"right-margin", nonneg_int_arg, 1},
- {"top-margin", nonneg_int_arg, 2},
- {"bottom-margin", nonneg_int_arg, 3},
{"paginate", boolean_arg, 1},
- {"form-feed-string", string_arg, 2},
- {"newline-string", string_arg, 3},
- {"italic-on", font_string_arg, 0},
- {"italic-off", font_string_arg, 1},
- {"bold-on", font_string_arg, 2},
- {"bold-off", font_string_arg, 3},
- {"bold-italic-on", font_string_arg, 4},
- {"bold-italic-off", font_string_arg, 5},
- {"overstrike-style", 3, 0},
- {"tab-width", nonneg_int_arg, 4},
- {"carriage-return-style", 4, 0},
{"squeeze", boolean_arg, 2},
- {"", 0, 0},
+
+ {"emphasis", string_arg, 3},
+
+ {"output-file", output_file_arg, 0},
+
+ {"length", pos_int_arg, 0},
+ {"width", pos_int_arg, 1},
+
+ {"top-margin", nonneg_int_arg, 0},
+ {"bottom-margin", nonneg_int_arg, 1},
+ {"tab-width", nonneg_int_arg, 2},
+
+ {NULL, 0, 0},
};
-static void
-ascii_option (struct outp_driver *this, const char *key,
- const struct string *val)
+static bool
+handle_option (struct outp_driver *this, const char *key,
+ const struct string *val)
{
struct ascii_driver_ext *x = this->ext;
- int cat, subcat;
+ int subcat;
const char *value;
value = ds_c_str (val);
int indx = strtol (&key[4], &tail, 4);
if (*tail != ']' || indx < 0 || indx > LNS_COUNT)
{
- msg (SE, _("Bad index value for `box' key: syntax is box[INDEX], "
- "0 <= INDEX < %d decimal, with INDEX expressed in base 4."),
- LNS_COUNT);
- return;
+ error (0, 0, _("ascii: bad index value for `box' key: syntax "
+ "is box[INDEX], 0 <= INDEX < %d decimal, with INDEX "
+ "expressed in base 4"),
+ LNS_COUNT);
+ return false;
}
- if (!ls_null_p (&x->box[indx]))
- msg (SW, _("Duplicate value for key `%s'."), key);
- ls_create (&x->box[indx], value);
- return;
+ if (x->box[indx] != NULL)
+ error (0, 0, _("ascii: multiple values for %s"), key);
+ x->box[indx] = pool_strdup (x->pool, value);
+ return true;
}
- cat = outp_match_keyword (key, option_tab, option_info, &subcat);
- switch (cat)
+ switch (outp_match_keyword (key, option_tab, &subcat))
{
- case 0:
- msg (SE, _("Unknown configuration parameter `%s' for ascii device driver."),
- key);
- break;
- case 1:
- free (x->file.filename);
- x->file.filename = xstrdup (value);
+ case -1:
+ error (0, 0, _("ascii: unknown parameter `%s'"), key);
break;
- case 2:
- if (!strcmp (value, "ascii"))
- x->char_set = CHS_ASCII;
- else if (!strcmp (value, "latin1"))
- x->char_set = CHS_LATIN1;
- else
- msg (SE, _("Unknown character set `%s'. Valid character sets are "
- "`ascii' and `latin1'."), value);
- break;
- case 3:
- if (!strcmp (value, "single"))
- x->overstrike_style = OVS_SINGLE;
- else if (!strcmp (value, "line"))
- x->overstrike_style = OVS_LINE;
- else
- msg (SE, _("Unknown overstrike style `%s'. Valid overstrike styles "
- "are `single' and `line'."), value);
- break;
- case 4:
- if (!strcmp (value, "bs"))
- x->carriage_return_style = CRS_BS;
- else if (!strcmp (value, "cr"))
- x->carriage_return_style = CRS_CR;
- else
- msg (SE, _("Unknown carriage return style `%s'. Valid carriage "
- "return styles are `cr' and `bs'."), value);
+ case output_file_arg:
+ x->file_name = pool_strdup (x->pool, value);
break;
case pos_int_arg:
{
arg = strtol (value, &tail, 0);
if (arg < 1 || errno == ERANGE || *tail)
{
- msg (SE, _("Positive integer required as value for `%s'."), key);
+ error (0, 0, _("ascii: positive integer required as `%s' value"),
+ key);
break;
}
switch (subcat)
x->page_length = arg;
break;
case 1:
- x->page_width = arg;
- break;
- case 2:
- x->lpi = arg;
- break;
- case 3:
- x->cpi = arg;
+ this->width = arg;
break;
default:
- assert (0);
+ abort ();
}
}
break;
+ case string_arg:
+ if (!strcmp (value, "bold"))
+ x->emphasis = EMPH_BOLD;
+ else if (!strcmp (value, "underline"))
+ x->emphasis = EMPH_UNDERLINE;
+ else if (!strcmp (value, "none"))
+ x->emphasis = EMPH_NONE;
+ else
+ error (0, 0,
+ _("ascii: `emphasis' value must be `bold', "
+ "`underline', or `none'"));
+ break;
case nonneg_int_arg:
{
char *tail;
arg = strtol (value, &tail, 0);
if (arg < 0 || errno == ERANGE || *tail)
{
- msg (SE, _("Zero or positive integer required as value for `%s'."),
- key);
+ error (0, 0,
+ _("ascii: zero or positive integer required as `%s' value"),
+ key);
break;
}
switch (subcat)
{
case 0:
- x->left_margin = arg;
- break;
- case 1:
- x->right_margin = arg;
- break;
- case 2:
x->top_margin = arg;
break;
- case 3:
- x->bottom_margin = arg;
- break;
- case 4:
- x->tab_width = arg;
- break;
- default:
- assert (0);
- }
- }
- break;
- case string_arg:
- {
- struct fixed_string *s;
- switch (subcat)
- {
- case 0:
- s = &x->ops[OPS_INIT];
- break;
case 1:
- s = &x->ops[OPS_DONE];
+ x->bottom_margin = arg;
break;
case 2:
- s = &x->ops[OPS_FORMFEED];
- break;
- case 3:
- s = &x->ops[OPS_NEWLINE];
+ x->tab_width = arg;
break;
default:
- assert (0);
- abort ();
- }
- ls_create (s, value);
- }
- break;
- case font_string_arg:
- {
- if (!strcmp (value, "overstrike"))
- {
- ls_destroy (&x->fonts[subcat]);
- return;
+ abort ();
}
- ls_create (&x->fonts[subcat], value);
}
break;
case boolean_arg:
{
- int setting;
+ bool setting;
if (!strcmp (value, "on") || !strcmp (value, "true")
|| !strcmp (value, "yes") || atoi (value))
- setting = 1;
+ setting = true;
else if (!strcmp (value, "off") || !strcmp (value, "false")
|| !strcmp (value, "no") || !strcmp (value, "0"))
- setting = 0;
+ setting = false;
else
{
- msg (SE, _("Boolean value expected for %s."), key);
- return;
+ error (0, 0, _("ascii: boolean value expected for `%s'"), key);
+ return false;
}
switch (subcat)
{
x->squeeze_blank_lines = setting;
break;
default:
- assert (0);
+ abort ();
}
}
break;
default:
- assert (0);
+ abort ();
}
-}
-
-int
-postopen (struct file_ext *f)
-{
- struct ascii_driver_ext *x = f->param;
- struct fixed_string *s = &x->ops[OPS_INIT];
- if (!ls_empty_p (s) && fwrite (ls_c_str (s), ls_length (s), 1, f->file) < 1)
- {
- msg (ME, _("ASCII output driver: %s: %s"),
- f->filename, strerror (errno));
- return 0;
- }
- return 1;
+ return true;
}
-int
-preclose (struct file_ext *f)
-{
- struct ascii_driver_ext *x = f->param;
- struct fixed_string *d = &x->ops[OPS_DONE];
-
- if (!ls_empty_p (d) && fwrite (ls_c_str (d), ls_length (d), 1, f->file) < 1)
- {
- msg (ME, _("ASCII output driver: %s: %s"),
- f->filename, strerror (errno));
- return 0;
- }
- return 1;
-}
-
-static int
+static void
ascii_open_page (struct outp_driver *this)
{
struct ascii_driver_ext *x = this->ext;
int i;
- assert (this->driver_open && !this->page_open);
x->page_number++;
- if (!fn_open_ext (&x->file))
- {
- msg (ME, _("ASCII output driver: %s: %s"), x->file.filename,
- strerror (errno));
- return 0;
- }
- if (x->l > x->lines_cap)
+ if (this->length > x->line_cap)
{
- x->lines = xnrealloc (x->lines, x->l, sizeof *x->lines);
- for (i = x->lines_cap; i < x->l; i++)
+ x->lines = pool_nrealloc (x->pool,
+ x->lines, this->length, sizeof *x->lines);
+ for (i = x->line_cap; i < this->length; i++)
{
struct line *line = &x->lines[i];
line->chars = NULL;
line->char_cap = 0;
}
- x->lines_cap = x->l;
+ x->line_cap = this->length;
}
- for (i = 0; i < x->l; i++)
+ for (i = 0; i < this->length; i++)
x->lines[i].char_cnt = 0;
-
- this->page_open = 1;
- return 1;
}
-/* Ensures that at least the first L characters of line I in the
- driver identified by struct ascii_driver_ext *X have been cleared out. */
+/* Ensures that at least the first LENGTH characters of line Y in
+ THIS driver identified X have been cleared out. */
static inline void
-expand_line (struct ascii_driver_ext *x, int i, int l)
-{
- struct line *line;
- int j;
-
- assert (i < x->lines_cap);
- line = &x->lines[i];
- if (l > line->char_cap)
- {
- line->char_cap = l * 2;
- line->chars = xnrealloc (line->chars,
- line->char_cap, sizeof *line->chars);
- }
- for (j = line->char_cnt; j < l; j++)
- line->chars[j] = ' ';
- line->char_cnt = l;
-}
-
-/* Puts line L at (H,K) in the current output page. Assumes
- struct ascii_driver_ext named `ext'. */
-#define draw_line(H, K, L) \
- ext->lines[K].chars[H] = (L) | 0x800
-
-/* Line styles for each position. */
-#define T(STYLE) (STYLE<<LNS_TOP)
-#define L(STYLE) (STYLE<<LNS_LEFT)
-#define B(STYLE) (STYLE<<LNS_BOTTOM)
-#define R(STYLE) (STYLE<<LNS_RIGHT)
-
-static void
-ascii_line_horz (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED, int style)
+expand_line (struct outp_driver *this, int y, int length)
{
struct ascii_driver_ext *ext = this->ext;
- int x1 = r->x1 / this->horiz;
- int x2 = r->x2 / this->horiz;
- int y1 = r->y1 / this->vert;
- int x;
-
- assert (this->driver_open && this->page_open);
- if (x1 == x2)
- return;
-#if DEBUGGING
- if (x1 > x2
- || x1 < 0 || x1 >= ext->w
- || x2 <= 0 || x2 > ext->w
- || y1 < 0 || y1 >= ext->l)
+ struct line *line = &ext->lines[y];
+ if (line->char_cnt < length)
{
-#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_horz: bad hline (%d,%d),%d out of (%d,%d)\n"),
- x1, x2, y1, ext->w, ext->l);
-#endif
- return;
+ int x;
+ if (line->char_cap < length)
+ {
+ line->char_cap = MIN (length * 2, this->width);
+ line->chars = pool_nrealloc (ext->pool,
+ line->chars,
+ line->char_cap, sizeof *line->chars);
+ }
+ for (x = line->char_cnt; x < length; x++)
+ line->chars[x] = ' ';
+ line->char_cnt = length;
}
-#endif
-
- if (ext->lines[y1].char_cnt < x2)
- expand_line (ext, y1, x2);
-
- for (x = x1; x < x2; x++)
- draw_line (x, y1, (style << LNS_LEFT) | (style << LNS_RIGHT));
}
static void
-ascii_line_vert (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED, int style)
+ascii_line (struct outp_driver *this,
+ int x0, int y0, int x1, int y1,
+ enum outp_line_style top, enum outp_line_style left,
+ enum outp_line_style bottom, enum outp_line_style right)
{
struct ascii_driver_ext *ext = this->ext;
- int x1 = r->x1 / this->horiz;
- int y1 = r->y1 / this->vert;
- int y2 = r->y2 / this->vert;
int y;
+ unsigned short value;
- assert (this->driver_open && this->page_open);
- if (y1 == y2)
- return;
+ assert (this->page_open);
#if DEBUGGING
- if (y1 > y2
- || x1 < 0 || x1 >= ext->w
- || y1 < 0 || y1 >= ext->l
- || y2 < 0 || y2 > ext->l)
+ if (x0 < 0 || x1 > this->width || y0 < 0 || y1 > this->length)
{
#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_vert: bad vline %d,(%d,%d) out of (%d,%d)\n"),
- x1, y1, y2, ext->w, ext->l);
+ printf (_("ascii: bad line (%d,%d)-(%d,%d) out of (%d,%d)\n"),
+ x0, y0, x1, y1, this->width, this->length);
#endif
return;
}
#endif
- for (y = y1; y < y2; y++)
- if (ext->lines[y].char_cnt <= x1)
- expand_line (ext, y, x1 + 1);
-
- for (y = y1; y < y2; y++)
- draw_line (x1, y, (style << LNS_TOP) | (style << LNS_BOTTOM));
-}
-
-static void
-ascii_line_intersection (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED,
- const struct outp_styles *style)
-{
- struct ascii_driver_ext *ext = this->ext;
- int x = r->x1 / this->horiz;
- int y = r->y1 / this->vert;
- int l;
-
- assert (this->driver_open && this->page_open);
-#if DEBUGGING
- if (x < 0 || x >= ext->w || y < 0 || y >= ext->l)
+ value = ((left << LNS_LEFT) | (right << LNS_RIGHT)
+ | (top << LNS_TOP) | (bottom << LNS_BOTTOM) | ATTR_BOX);
+ for (y = y0; y < y1; y++)
{
-#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_intersection: bad intsct (%d,%d) out of (%d,%d)\n"),
- x, y, ext->w, ext->l);
-#endif
- return;
- }
-#endif
-
- l = ((style->l << LNS_LEFT) | (style->r << LNS_RIGHT)
- | (style->t << LNS_TOP) | (style->b << LNS_BOTTOM));
-
- if (ext->lines[y].char_cnt <= x)
- expand_line (ext, y, x + 1);
- draw_line (x, y, l);
-}
-
-/* FIXME: Later we could set this up so that for certain devices it
- performs shading? */
-static void
-ascii_box (struct outp_driver *this UNUSED, const struct rect *r UNUSED,
- const struct color *bord UNUSED, const struct color *fill UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
+ int x;
-/* Polylines not supported. */
-static void
-ascii_polyline_begin (struct outp_driver *this UNUSED, const struct color *c UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
-static void
-ascii_polyline_point (struct outp_driver *this UNUSED, int x UNUSED, int y UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
-static void
-ascii_polyline_end (struct outp_driver *this UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
-
-static void
-ascii_text_set_font_by_name (struct outp_driver * this, const char *s)
-{
- struct ascii_driver_ext *x = this->ext;
- int len = strlen (s);
-
- assert (this->driver_open && this->page_open);
- x->cur_font = OUTP_F_R;
- if (len == 0)
- return;
- if (s[len - 1] == 'I')
- {
- if (len > 1 && s[len - 2] == 'B')
- x->cur_font = OUTP_F_BI;
- else
- x->cur_font = OUTP_F_I;
+ expand_line (this, y, x1);
+ for (x = x0; x < x1; x++)
+ ext->lines[y].chars[x] = value;
}
- else if (s[len - 1] == 'B')
- x->cur_font = OUTP_F_B;
}
static void
-ascii_text_set_font_by_position (struct outp_driver *this, int pos)
+text_draw (struct outp_driver *this,
+ enum outp_font font,
+ int x, int y,
+ enum outp_justification justification, int width,
+ const char *string, size_t length)
{
- struct ascii_driver_ext *x = this->ext;
- assert (this->driver_open && this->page_open);
- x->cur_font = pos >= 0 && pos < 4 ? pos : 0;
-}
-
-static void
-ascii_text_set_font_by_family (struct outp_driver *this UNUSED, const char *s UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
+ struct ascii_driver_ext *ext = this->ext;
+ unsigned short attr = font == OUTP_EMPHASIS ? ATTR_EMPHASIS : 0;
-static const char *
-ascii_text_get_font_name (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
+ int line_len;
- assert (this->driver_open && this->page_open);
- switch (x->cur_font)
+ switch (justification)
{
- case OUTP_F_R:
- return "R";
- case OUTP_F_I:
- return "I";
- case OUTP_F_B:
- return "B";
- case OUTP_F_BI:
- return "BI";
+ case OUTP_LEFT:
+ break;
+ case OUTP_CENTER:
+ x += (width - length + 1) / 2;
+ break;
+ case OUTP_RIGHT:
+ x += width - length;
+ break;
default:
- assert (0);
+ abort ();
}
- abort ();
-}
-static const char *
-ascii_text_get_font_family (struct outp_driver *this UNUSED)
-{
- assert (this->driver_open && this->page_open);
- return "";
-}
+ if (y >= this->length || x >= this->width)
+ return;
-static int
-ascii_text_set_size (struct outp_driver *this, int size)
-{
- assert (this->driver_open && this->page_open);
- return size == this->vert;
-}
+ if (x + length > this->width)
+ length = this->width - x;
-static int
-ascii_text_get_size (struct outp_driver *this, int *em_width)
-{
- assert (this->driver_open && this->page_open);
- if (em_width)
- *em_width = this->horiz;
- return this->vert;
-}
+ line_len = x + length;
-static void text_draw (struct outp_driver *this, struct outp_text *t);
+ expand_line (this, y, line_len);
+ while (length-- > 0)
+ ext->lines[y].chars[x++] = *string++ | attr;
+}
/* Divides the text T->S into lines of width T->H. Sets T->V to the
number of lines necessary. Actually draws the text if DRAW is
- nonzero.
-
- You probably don't want to look at this code. */
+ true. */
static void
-delineate (struct outp_driver *this, struct outp_text *t, int draw)
+delineate (struct outp_driver *this, const struct outp_text *text, bool draw,
+ int *width, int *height)
{
- /* Width we're fitting everything into. */
- int width = t->h / this->horiz;
+ int max_width;
+ int height_left;
- /* Maximum `y' position we can write to. */
- int max_y;
+ const char *cp = ls_c_str (&text->string);
- /* Current position in string, character following end of string. */
- const char *s = ls_c_str (&t->s);
- const char *end = ls_end (&t->s);
-
- /* Temporary struct outp_text to pass to low-level function. */
- struct outp_text temp;
-
-#if DEBUGGING && 0
- if (!ext->debug)
- {
- ext->debug = 1;
- printf (_("%s: horiz=%d, vert=%d\n"), this->name, this->horiz, this->vert);
- }
-#endif
+ max_width = 0;
+ height_left = text->v;
- if (!width)
+ while (height_left > 0)
{
- t->h = t->v = 0;
- return;
- }
+ size_t chars_left;
+ size_t line_len;
+ const char *end;
- if (draw)
- {
- temp.options = t->options;
- ls_shallow_copy (&temp.s, &t->s);
- temp.h = t->h / this->horiz;
- temp.x = t->x / this->horiz;
- }
- else
- t->y = 0;
- temp.y = t->y / this->vert;
-
- if (t->options & OUTP_T_VERT)
- max_y = (t->v / this->vert) + temp.y - 1;
- else
- max_y = INT_MAX;
-
- while (end - s > width)
- {
- const char *beg = s;
- const char *space;
+ /* Initially the line is up to text->h characters long. */
+ chars_left = ls_end (&text->string) - cp;
+ if (chars_left == 0)
+ break;
+ line_len = MIN (chars_left, text->h);
- /* Find first space before &s[width]. */
- space = &s[width];
- for (;;)
- {
- if (space > s)
- {
- if (!isspace ((unsigned char) space[-1]))
- {
- space--;
- continue;
- }
- else
- s = space;
- }
- else
- s = space = &s[width];
- break;
- }
+ /* A new-line terminates the line prematurely. */
+ end = memchr (cp, '\n', line_len);
+ if (end != NULL)
+ line_len = end - cp;
+ /* Don't cut off words if it can be avoided. */
+ if (cp + line_len < ls_end (&text->string))
+ {
+ size_t space_len = line_len;
+ while (space_len > 0 && !isspace ((unsigned char) cp[space_len]))
+ space_len--;
+ if (space_len > 0)
+ line_len = space_len;
+ }
+
/* Draw text. */
if (draw)
- {
- ls_init (&temp.s, beg, space - beg);
- temp.w = space - beg;
- text_draw (this, &temp);
- }
- if (++temp.y > max_y)
- return;
+ text_draw (this,
+ text->font,
+ text->x, text->y + (text->v - height_left),
+ text->justification, text->h,
+ cp, line_len);
- /* Find first nonspace after space. */
- while (s < end && isspace ((unsigned char) *s))
- s++;
- }
- if (s < end)
- {
- if (draw)
- {
- ls_init (&temp.s, s, end - s);
- temp.w = end - s;
- text_draw (this, &temp);
- }
- temp.y++;
+ /* Update. */
+ height_left--;
+ if (line_len > max_width)
+ max_width = line_len;
+
+ /* Next line. */
+ cp += line_len;
+ if (cp < ls_end (&text->string) && isspace ((unsigned char) *cp))
+ cp++;
}
- t->v = (temp.y * this->vert) - t->y;
+ if (width != NULL)
+ *width = max_width;
+ if (height != NULL)
+ *height = text->v - height_left;
}
static void
-ascii_text_metrics (struct outp_driver *this, struct outp_text *t)
+ascii_text_metrics (struct outp_driver *this, const struct outp_text *t,
+ int *width, int *height)
{
- assert (this->driver_open && this->page_open);
- if (!(t->options & OUTP_T_HORZ))
- {
- t->v = this->vert;
- t->h = ls_length (&t->s) * this->horiz;
- }
- else
- delineate (this, t, 0);
+ delineate (this, t, false, width, height);
}
static void
-ascii_text_draw (struct outp_driver *this, struct outp_text *t)
+ascii_text_draw (struct outp_driver *this, const struct outp_text *t)
{
- /* FIXME: orientations not supported. */
- assert (this->driver_open && this->page_open);
- if (!(t->options & OUTP_T_HORZ))
- {
- struct outp_text temp;
-
- temp.options = t->options;
- temp.s = t->s;
- temp.h = temp.v = 0;
- temp.x = t->x / this->horiz;
- temp.y = t->y / this->vert;
- text_draw (this, &temp);
- ascii_text_metrics (this, t);
-
- return;
- }
- delineate (this, t, 1);
+ assert (this->page_open);
+ delineate (this, t, true, NULL, NULL);
}
-static void
-text_draw (struct outp_driver *this, struct outp_text *t)
-{
- struct ascii_driver_ext *ext = this->ext;
- unsigned attr = ext->cur_font << 8;
-
- int x = t->x;
- int y = t->y;
-
- char *s = ls_c_str (&t->s);
-
- /* Expand the line with the assumption that S takes up LEN character
- spaces (sometimes it takes up less). */
- int min_len;
-
- assert (this->driver_open && this->page_open);
- switch (t->options & OUTP_T_JUST_MASK)
- {
- case OUTP_T_JUST_LEFT:
- break;
- case OUTP_T_JUST_CENTER:
- x -= (t->h - t->w) / 2; /* fall through */
- case OUTP_T_JUST_RIGHT:
- x += (t->h - t->w);
- break;
- default:
- assert (0);
- }
-
- if (!(t->y < ext->l && x < ext->w))
- return;
- min_len = min (x + ls_length (&t->s), ext->w);
- if (ext->lines[t->y].char_cnt < min_len)
- expand_line (ext, t->y, min_len);
-
- {
- int len = ls_length (&t->s);
-
- if (len + x > ext->w)
- len = ext->w - x;
- while (len--)
- ext->lines[y].chars[x++] = *s++ | attr;
- }
-}
\f
/* ascii_close_page () and support routines. */
-#define LINE_BUF_SIZE 1024
-static char *line_buf;
-static char *line_p;
-
-static inline int
-commit_line_buf (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
-
- if ((int) fwrite (line_buf, 1, line_p - line_buf, x->file.file)
- < line_p - line_buf)
- {
- msg (ME, _("Writing `%s': %s"), x->file.filename, strerror (errno));
- return 0;
- }
-
- line_p = line_buf;
- return 1;
-}
-
-/* Writes everything from BP to EP exclusive into line_buf, or to
- THIS->output if line_buf overflows. */
-static inline void
-output_string (struct outp_driver *this, const char *bp, const char *ep)
-{
- if (LINE_BUF_SIZE - (line_p - line_buf) >= ep - bp)
- {
- memcpy (line_p, bp, ep - bp);
- line_p += ep - bp;
- }
- else
- while (bp < ep)
- {
- if (LINE_BUF_SIZE - (line_p - line_buf) <= 1 && !commit_line_buf (this))
- return;
- *line_p++ = *bp++;
- }
-}
-
-/* Writes everything from BP to EP exclusive into line_buf, or to
- THIS->output if line_buf overflows. Returns 1 if additional passes
- over the line are required. FIXME: probably could do a lot of
- optimization here. */
-static inline int
-output_shorts (struct outp_driver *this,
- const unsigned short *bp, const unsigned short *ep)
+/* Writes the LENGTH characters in S to OUT. */
+static void
+output_line (struct outp_driver *this, const struct line *line,
+ struct string *out)
{
struct ascii_driver_ext *ext = this->ext;
- size_t remaining = LINE_BUF_SIZE - (line_p - line_buf);
- int result = 0;
+ const unsigned short *s = line->chars;
+ size_t length;
- for (; bp < ep; bp++)
- {
- if (*bp & 0x800)
- {
- struct fixed_string *box = &ext->box[*bp & 0xff];
- size_t len = ls_length (box);
-
- if (remaining >= len)
- {
- memcpy (line_p, ls_c_str (box), len);
- line_p += len;
- remaining -= len;
- }
- else
- {
- if (!commit_line_buf (this))
- return 0;
- output_string (this, ls_c_str (box), ls_end (box));
- remaining = LINE_BUF_SIZE - (line_p - line_buf);
- }
- }
- else if (*bp & 0x0300)
- {
- struct fixed_string *on;
- char buf[5];
- int len;
-
- switch (*bp & 0x0300)
- {
- case OUTP_F_I << 8:
- on = &ext->fonts[FSTY_ON | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (!on)
- {
- if (ext->overstrike_style == OVS_SINGLE)
- switch (*bp & 0x0300)
- {
- case OUTP_F_I << 8:
- buf[0] = '_';
- buf[1] = '\b';
- buf[2] = *bp;
- len = 3;
- break;
- case OUTP_F_B << 8:
- buf[0] = *bp;
- buf[1] = '\b';
- buf[2] = *bp;
- len = 3;
- break;
- case OUTP_F_BI << 8:
- buf[0] = '_';
- buf[1] = '\b';
- buf[2] = *bp;
- buf[3] = '\b';
- buf[4] = *bp;
- len = 5;
- break;
- default:
- assert (0);
- abort ();
- }
- else
- {
- buf[0] = *bp;
- result = len = 1;
- }
- }
- else
- {
- buf[0] = *bp;
- len = 1;
- }
- output_string (this, buf, &buf[len]);
- }
- else if (remaining)
- {
- *line_p++ = *bp;
- remaining--;
- }
- else
- {
- if (!commit_line_buf (this))
- return 0;
- remaining = LINE_BUF_SIZE - (line_p - line_buf);
- *line_p++ = *bp;
- }
- }
-
- return result;
-}
-
-/* Writes CH into line_buf N times, or to THIS->output if line_buf
- overflows. */
-static inline void
-output_char (struct outp_driver *this, int n, char ch)
-{
- if (LINE_BUF_SIZE - (line_p - line_buf) >= n)
- {
- memset (line_p, ch, n);
- line_p += n;
- }
- else
- while (n--)
+ for (length = line->char_cnt; length-- > 0; s++)
+ if (*s & ATTR_BOX)
+ ds_puts (out, ext->box[*s & 0xff]);
+ else
{
- if (LINE_BUF_SIZE - (line_p - line_buf) <= 1 && !commit_line_buf (this))
- return;
- *line_p++ = ch;
+ if (*s & ATTR_EMPHASIS)
+ {
+ if (ext->emphasis == EMPH_BOLD)
+ {
+ ds_putc (out, *s);
+ ds_putc (out, '\b');
+ }
+ else if (ext->emphasis == EMPH_UNDERLINE)
+ ds_puts (out, "_\b");
+ }
+ ds_putc (out, *s);
}
}
-/* Advance the carriage from column 0 to the left margin. */
static void
-advance_to_left_margin (struct outp_driver *this)
+append_lr_justified (struct string *out, int width,
+ const char *left, const char *right)
{
- struct ascii_driver_ext *ext = this->ext;
- int margin;
-
- margin = ext->left_margin;
- if (margin == 0)
- return;
- if (ext->tab_width && margin >= ext->tab_width)
+ ds_putc_multiple (out, ' ', width);
+ if (left != NULL)
{
- output_char (this, margin / ext->tab_width, '\t');
- margin %= ext->tab_width;
+ size_t length = MIN (strlen (left), width);
+ memcpy (ds_end (out) - width, left, length);
}
- if (margin)
- output_char (this, margin, ' ');
-}
-
-/* Move the output file carriage N_CHARS left, to the left margin. */
-static void
-return_carriage (struct outp_driver *this, int n_chars)
-{
- struct ascii_driver_ext *ext = this->ext;
-
- switch (ext->carriage_return_style)
+ if (right != NULL)
{
- case CRS_BS:
- output_char (this, n_chars, '\b');
- break;
- case CRS_CR:
- output_char (this, 1, '\r');
- advance_to_left_margin (this);
- break;
- default:
- assert (0);
- abort ();
+ size_t length = MIN (strlen (right), width);
+ memcpy (ds_end (out) - length, right, length);
}
+ ds_putc (out, '\n');
}
-/* Writes COUNT lines from the line buffer in THIS, starting at line
- number FIRST. */
static void
-output_lines (struct outp_driver *this, int first, int count)
+dump_output (struct outp_driver *this, struct string *out)
{
- struct ascii_driver_ext *ext = this->ext;
- int line_num;
-
- struct fixed_string *newline = &ext->ops[OPS_NEWLINE];
-
- int n_chars;
- int n_passes;
-
- if (NULL == ext->file.file)
- return;
-
- /* Iterate over all the lines to be output. */
- for (line_num = first; line_num < first + count; line_num++)
- {
- struct line *line = &ext->lines[line_num];
- unsigned short *p = line->chars;
- unsigned short *end_p = p + line->char_cnt;
- unsigned short *bp, *ep;
- unsigned short attr = 0;
-
- assert (end_p >= p);
-
- /* Squeeze multiple blank lines into a single blank line if
- requested. */
- if (ext->squeeze_blank_lines
- && line_num > first
- && ext->lines[line_num].char_cnt == 0
- && ext->lines[line_num - 1].char_cnt == 0)
- continue;
-
- /* Output every character in the line in the appropriate
- manner. */
- n_passes = 1;
- bp = ep = p;
- n_chars = 0;
- advance_to_left_margin (this);
- for (;;)
- {
- while (ep < end_p && attr == (*ep & 0x0300))
- ep++;
- if (output_shorts (this, bp, ep))
- n_passes = 2;
- n_chars += ep - bp;
- bp = ep;
-
- if (bp >= end_p)
- break;
-
- /* Turn off old font. */
- if (attr != (OUTP_F_R << 8))
- {
- struct fixed_string *off;
-
- switch (attr)
- {
- case OUTP_F_I << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (off)
- output_string (this, ls_c_str (off), ls_end (off));
- }
-
- /* Turn on new font. */
- attr = (*bp & 0x0300);
- if (attr != (OUTP_F_R << 8))
- {
- struct fixed_string *on;
-
- switch (attr)
- {
- case OUTP_F_I << 8:
- on = &ext->fonts[FSTY_ON | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (on)
- output_string (this, ls_c_str (on), ls_end (on));
- }
-
- ep = bp + 1;
- }
- if (n_passes > 1)
- {
- char ch;
-
- return_carriage (this, n_chars);
- n_chars = 0;
- bp = ep = p;
- for (;;)
- {
- while (ep < end_p && (*ep & 0x0300) == (OUTP_F_R << 8))
- ep++;
- if (ep >= end_p)
- break;
- output_char (this, ep - bp, ' ');
-
- switch (*ep & 0x0300)
- {
- case OUTP_F_I << 8:
- ch = '_';
- break;
- case OUTP_F_B << 8:
- ch = *ep;
- break;
- case OUTP_F_BI << 8:
- ch = *ep;
- n_passes = 3;
- break;
- default:
- assert (0);
- abort ();
- }
- output_char (this, 1, ch);
- n_chars += ep - bp + 1;
- bp = ep + 1;
- ep = bp;
- }
- }
- if (n_passes > 2)
- {
- return_carriage (this, n_chars);
- bp = ep = p;
- for (;;)
- {
- while (ep < end_p && (*ep & 0x0300) != (OUTP_F_BI << 8))
- ep++;
- if (ep >= end_p)
- break;
- output_char (this, ep - bp, ' ');
- output_char (this, 1, '_');
- bp = ep + 1;
- ep = bp;
- }
- }
-
- output_string (this, ls_c_str (newline), ls_end (newline));
- }
+ struct ascii_driver_ext *x = this->ext;
+ fwrite (ds_data (out), ds_length (out), 1, x->file);
+ ds_clear (out);
}
-
-static int
+static void
ascii_close_page (struct outp_driver *this)
{
- static int s_len;
-
struct ascii_driver_ext *x = this->ext;
- int nl_len, ff_len, total_len;
- char *cp;
- int i;
-
- assert (this->driver_open && this->page_open);
-
- if (!line_buf)
- line_buf = xmalloc (LINE_BUF_SIZE);
- line_p = line_buf;
-
- nl_len = ls_length (&x->ops[OPS_NEWLINE]);
- if (x->top_margin)
- {
- total_len = x->top_margin * nl_len;
- if (s_len < total_len)
- {
- s_len = total_len;
- s = xrealloc (s, s_len);
- }
- for (cp = s, i = 0; i < x->top_margin; i++)
- {
- memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- cp += nl_len;
- }
- output_string (this, s, &s[total_len]);
- }
+ struct string out;
+ int line_num;
+
+ ds_init (&out, 128);
+
+ ds_putc_multiple (&out, '\n', x->top_margin);
if (x->headers)
{
- int len;
-
- total_len = nl_len + x->w;
- if (s_len < total_len + 1)
- {
- s_len = total_len + 1;
- s = xrealloc (s, s_len);
- }
-
- memset (s, ' ', x->w);
-
- {
- char temp[40];
-
- snprintf (temp, 80, _("%s - Page %d"), get_start_date (),
- x->page_number);
- memcpy (&s[x->w - strlen (temp)], temp, strlen (temp));
- }
-
- if (outp_title && outp_subtitle)
- {
- len = min ((int) strlen (outp_title), x->w);
- memcpy (s, outp_title, len);
- }
- memcpy (&s[x->w], ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- output_string (this, s, &s[total_len]);
-
- memset (s, ' ', x->w);
- len = strlen (version) + 3 + strlen (host_system);
- if (len < x->w)
- sprintf (&s[x->w - len], "%s - %s" , version, host_system);
- if (outp_subtitle || outp_title)
- {
- char *string = outp_subtitle ? outp_subtitle : outp_title;
- len = min ((int) strlen (string), x->w);
- memcpy (s, string, len);
- }
- memcpy (&s[x->w], ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- output_string (this, s, &s[total_len]);
- output_string (this, &s[x->w], &s[total_len]);
- }
- if (line_p != line_buf && !commit_line_buf (this))
- return 0;
-
- output_lines (this, 0, x->l);
-
- ff_len = ls_length (&x->ops[OPS_FORMFEED]);
- total_len = x->bottom_margin * nl_len + ff_len;
- if (s_len < total_len)
- s = xrealloc (s, total_len);
- for (cp = s, i = 0; i < x->bottom_margin; i++)
- {
- memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- cp += nl_len;
+ char *r1, *r2;
+
+ r1 = xasprintf (_("%s - Page %d"), get_start_date (), x->page_number);
+ r2 = xasprintf ("%s - %s" , version, host_system);
+
+ append_lr_justified (&out, this->width, outp_title, r1);
+ append_lr_justified (&out, this->width, outp_subtitle, r2);
+ ds_putc (&out, '\n');
+
+ free (r1);
+ free (r2);
+ }
+ dump_output (this, &out);
+
+ for (line_num = 0; line_num < this->length; line_num++)
+ {
+
+ /* Squeeze multiple blank lines into a single blank line if
+ requested. */
+ if (x->squeeze_blank_lines)
+ {
+ if (line_num >= x->line_cap)
+ break;
+ if (line_num > 0
+ && x->lines[line_num].char_cnt == 0
+ && x->lines[line_num - 1].char_cnt == 0)
+ continue;
+ }
+
+ if (line_num < x->line_cap)
+ output_line (this, &x->lines[line_num], &out);
+ ds_putc (&out, '\n');
+ dump_output (this, &out);
}
- memcpy (cp, ls_c_str (&x->ops[OPS_FORMFEED]), ff_len);
- if ( x->paginate )
- output_string (this, s, &s[total_len]);
-
- if (line_p != line_buf && !commit_line_buf (this))
- return 0;
+
+ ds_putc_multiple (&out, '\n', x->bottom_margin);
+ if (x->paginate)
+ ds_putc (&out, '\f');
- this->page_open = 0;
- return 1;
+ dump_output (this, &out);
+ ds_destroy (&out);
}
-
-
static void
-ascii_chart_initialise(struct outp_driver *d UNUSED, struct chart *ch )
+ascii_chart_initialise (struct outp_driver *d UNUSED, struct chart *ch)
{
- msg(MW, _("Charts are unsupported with ascii drivers."));
+ error (0, 0, _("ascii: charts are unsupported by this driver"));
ch->lp = 0;
}
static void
-ascii_chart_finalise(struct outp_driver *d UNUSED, struct chart *ch UNUSED)
+ascii_chart_finalise (struct outp_driver *d UNUSED, struct chart *ch UNUSED)
{
}
{
"ascii",
0,
- 0,
-
- ascii_open_global,
- ascii_close_global,
- ascii_font_sizes,
- ascii_preopen_driver,
- ascii_option,
- ascii_postopen_driver,
+ ascii_open_driver,
ascii_close_driver,
ascii_open_page,
NULL,
- ascii_line_horz,
- ascii_line_vert,
- ascii_line_intersection,
-
- ascii_box,
- ascii_polyline_begin,
- ascii_polyline_point,
- ascii_polyline_end,
-
- ascii_text_set_font_by_name,
- ascii_text_set_font_by_position,
- ascii_text_set_font_by_family,
- ascii_text_get_font_name,
- ascii_text_get_font_family,
- ascii_text_set_size,
- ascii_text_get_size,
+ ascii_line,
ascii_text_metrics,
ascii_text_draw,
projects / pspp-builds.git / blobdiff