-/* $Id: out.c,v 1.1 2009/09/21 00:39:02 kristaps Exp $ */
+/* $Id: out.c,v 1.15 2010/04/07 11:29:55 kristaps Exp $ */
/*
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
-#include "mdoc.h"
-#include "man.h"
#include "out.h"
+/* See a2roffdeco(). */
+#define C2LIM(c, l) do { \
+ (l) = 1; \
+ if ('[' == (c) || '\'' == (c)) \
+ (l) = 0; \
+ else if ('(' == (c)) \
+ (l) = 2; } \
+ while (/* CONSTCOND */ 0)
+
+/* See a2roffdeco(). */
+#define C2TERM(c, t) do { \
+ (t) = 0; \
+ if ('\'' == (c)) \
+ (t) = 1; \
+ else if ('[' == (c)) \
+ (t) = 2; \
+ else if ('(' == (c)) \
+ (t) = 3; } \
+ while (/* CONSTCOND */ 0)
+
+/*
+ * Convert a `scaling unit' to a consistent form, or fail. Scaling
+ * units are documented in groff.7, mdoc.7, man.7.
+ */
int
-out_a2list(const struct mdoc_node *n)
+a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
{
+ char buf[BUFSIZ], hasd;
int i;
+ enum roffscale unit;
- assert(MDOC_BLOCK == n->type && MDOC_Bl == n->tok);
- assert(n->args);
+ if ('\0' == *src)
+ return(0);
- for (i = 0; i < (int)n->args->argc; i++)
- switch (n->args->argv[i].arg) {
- case (MDOC_Enum):
- /* FALLTHROUGH */
- case (MDOC_Dash):
- /* FALLTHROUGH */
- case (MDOC_Hyphen):
- /* FALLTHROUGH */
- case (MDOC_Bullet):
- /* FALLTHROUGH */
- case (MDOC_Tag):
- /* FALLTHROUGH */
- case (MDOC_Hang):
- /* FALLTHROUGH */
- case (MDOC_Inset):
- /* FALLTHROUGH */
- case (MDOC_Diag):
- /* FALLTHROUGH */
- case (MDOC_Item):
- /* FALLTHROUGH */
- case (MDOC_Column):
- /* FALLTHROUGH */
- case (MDOC_Ohang):
- return(n->args->argv[i].arg);
- default:
- break;
+ i = hasd = 0;
+
+ switch (*src) {
+ case ('+'):
+ src++;
+ break;
+ case ('-'):
+ buf[i++] = *src++;
+ break;
+ default:
+ break;
+ }
+
+ if ('\0' == *src)
+ return(0);
+
+ while (i < BUFSIZ) {
+ if ( ! isdigit((u_char)*src)) {
+ if ('.' != *src)
+ break;
+ else if (hasd)
+ break;
+ else
+ hasd = 1;
}
+ buf[i++] = *src++;
+ }
+
+ if (BUFSIZ == i || (*src && *(src + 1)))
+ return(0);
+
+ buf[i] = '\0';
+
+ switch (*src) {
+ case ('c'):
+ unit = SCALE_CM;
+ break;
+ case ('i'):
+ unit = SCALE_IN;
+ break;
+ case ('P'):
+ unit = SCALE_PC;
+ break;
+ case ('p'):
+ unit = SCALE_PT;
+ break;
+ case ('f'):
+ unit = SCALE_FS;
+ break;
+ case ('v'):
+ unit = SCALE_VS;
+ break;
+ case ('m'):
+ unit = SCALE_EM;
+ break;
+ case ('\0'):
+ if (SCALE_MAX == def)
+ return(0);
+ unit = SCALE_BU;
+ break;
+ case ('u'):
+ unit = SCALE_BU;
+ break;
+ case ('M'):
+ unit = SCALE_MM;
+ break;
+ case ('n'):
+ unit = SCALE_EN;
+ break;
+ default:
+ return(0);
+ }
+
+ if ((dst->scale = atof(buf)) < 0)
+ dst->scale = 0;
+ dst->unit = unit;
+ dst->pt = hasd;
- abort();
- /* NOTREACHED */
+ return(1);
}
-int
-out_a2width(const char *p)
+/*
+ * Correctly writes the time in nroff form, which differs from standard
+ * form in that a space isn't printed in lieu of the extra %e field for
+ * single-digit dates.
+ */
+void
+time2a(time_t t, char *dst, size_t sz)
{
- int i, len;
+ struct tm tm;
+ char buf[5];
+ char *p;
+ size_t nsz;
- if (0 == (len = (int)strlen(p)))
- return(0);
- for (i = 0; i < len - 1; i++)
- if ( ! isdigit((u_char)p[i]))
- break;
+ assert(sz > 1);
+ localtime_r(&t, &tm);
+
+ p = dst;
+ nsz = 0;
- if (i == len - 1)
- if ('n' == p[len - 1] || 'm' == p[len - 1])
- return(atoi(p) + 2);
+ dst[0] = '\0';
- return(len + 2);
+ if (0 == (nsz = strftime(p, sz, "%B ", &tm)))
+ return;
+
+ p += (int)nsz;
+ sz -= nsz;
+
+ if (0 == strftime(buf, sizeof(buf), "%e, ", &tm))
+ return;
+
+ nsz = strlcat(p, buf + (' ' == buf[0] ? 1 : 0), sz);
+
+ if (nsz >= sz)
+ return;
+
+ p += (int)nsz;
+ sz -= nsz;
+
+ (void)strftime(p, sz, "%Y", &tm);
}
+/*
+ * Returns length of parsed string (the leading "\" should NOT be
+ * included). This can be zero if the current character is the nil
+ * terminator. "d" is set to the type of parsed decorator, which may
+ * have an adjoining "word" of size "sz" (e.g., "(ab" -> "ab", 2).
+ */
int
-out_a2offs(const char *p, int indent)
+a2roffdeco(enum roffdeco *d,
+ const char **word, size_t *sz)
{
- int len, i;
+ int j, term, lim;
+ char set;
+ const char *wp, *sp;
- if (0 == strcmp(p, "left"))
- return(0);
- if (0 == strcmp(p, "indent"))
- return(indent + 1);
- if (0 == strcmp(p, "indent-two"))
- return((indent + 1) * 2);
+ *d = DECO_NONE;
+ wp = *word;
- if (0 == (len = (int)strlen(p)))
+ switch ((set = *wp)) {
+ case ('\0'):
return(0);
- for (i = 0; i < len - 1; i++)
- if ( ! isdigit((u_char)p[i]))
+ case ('('):
+ if ('\0' == *(++wp))
+ return(1);
+ if ('\0' == *(wp + 1))
+ return(2);
+
+ *d = DECO_SPECIAL;
+ *sz = 2;
+ *word = wp;
+ return(3);
+
+ case ('F'):
+ /* FALLTHROUGH */
+ case ('f'):
+ /*
+ * FIXME: this needs work and consolidation (it should
+ * follow the sequence that special characters do, for
+ * one), but isn't a priority at the moment. Note, for
+ * one, that in reality \fB != \FB, although here we let
+ * these slip by.
+ */
+ switch (*(++wp)) {
+ case ('\0'):
+ return(1);
+ case ('3'):
+ /* FALLTHROUGH */
+ case ('B'):
+ *d = DECO_BOLD;
+ return(2);
+ case ('2'):
+ /* FALLTHROUGH */
+ case ('I'):
+ *d = DECO_ITALIC;
+ return(2);
+ case ('P'):
+ *d = DECO_PREVIOUS;
+ return(2);
+ case ('1'):
+ /* FALLTHROUGH */
+ case ('R'):
+ *d = DECO_ROMAN;
+ return(2);
+ case ('('):
+ if ('\0' == *(++wp))
+ return(2);
+ if ('\0' == *(wp + 1))
+ return(3);
+
+ *d = 'F' == set ? DECO_FFONT : DECO_FONT;
+ *sz = 2;
+ *word = wp;
+ return(4);
+ case ('['):
+ *word = ++wp;
+ for (j = 0; *wp && ']' != *wp; wp++, j++)
+ /* Loop... */ ;
+
+ if ('\0' == *wp)
+ return(j + 2);
+
+ *d = 'F' == set ? DECO_FFONT : DECO_FONT;
+ *sz = (size_t)j;
+ return(j + 3);
+ default:
break;
+ }
- if (i == len - 1)
- if ('n' == p[len - 1] || 'm' == p[len - 1])
- return(atoi(p));
+ *d = 'F' == set ? DECO_FFONT : DECO_FONT;
+ *sz = 1;
+ *word = wp;
+ return(2);
- return(len);
-}
+ case ('*'):
+ switch (*(++wp)) {
+ case ('\0'):
+ return(1);
+
+ case ('('):
+ if ('\0' == *(++wp))
+ return(2);
+ if ('\0' == *(wp + 1))
+ return(3);
+
+ *d = DECO_RESERVED;
+ *sz = 2;
+ *word = wp;
+ return(4);
+
+ case ('['):
+ *word = ++wp;
+ for (j = 0; *wp && ']' != *wp; wp++, j++)
+ /* Loop... */ ;
+
+ if ('\0' == *wp)
+ return(j + 2);
+
+ *d = DECO_RESERVED;
+ *sz = (size_t)j;
+ return(j + 3);
+
+ default:
+ break;
+ }
+
+ *d = DECO_RESERVED;
+ *sz = 1;
+ *word = wp;
+ return(2);
+
+ case ('s'):
+ sp = wp;
+ if ('\0' == *(++wp))
+ return(1);
+
+ C2LIM(*wp, lim);
+ C2TERM(*wp, term);
+
+ if (term)
+ wp++;
+
+ *word = wp;
+ if (*wp == '+' || *wp == '-')
+ ++wp;
+
+ switch (*wp) {
+ case ('\''):
+ /* FALLTHROUGH */
+ case ('['):
+ /* FALLTHROUGH */
+ case ('('):
+ if (term)
+ return((int)(wp - sp));
+
+ C2LIM(*wp, lim);
+ C2TERM(*wp, term);
+ wp++;
+ break;
+ default:
+ break;
+ }
+
+ if ( ! isdigit((u_char)*wp))
+ return((int)(wp - sp));
+
+ for (j = 0; isdigit((u_char)*wp); j++) {
+ if (lim && j >= lim)
+ break;
+ ++wp;
+ }
+
+ if (term && term < 3) {
+ if (1 == term && *wp != '\'')
+ return((int)(wp - sp));
+ if (2 == term && *wp != ']')
+ return((int)(wp - sp));
+ ++wp;
+ }
+
+ *d = DECO_SIZE;
+ return((int)(wp - sp));
+
+ case ('['):
+ *word = ++wp;
+
+ for (j = 0; *wp && ']' != *wp; wp++, j++)
+ /* Loop... */ ;
+
+ if ('\0' == *wp)
+ return(j + 1);
+
+ *d = DECO_SPECIAL;
+ *sz = (size_t)j;
+ return(j + 2);
+
+ case ('c'):
+ *d = DECO_NOSPACE;
+ *sz = 1;
+ return(1);
+
+ default:
+ break;
+ }
+
+ *d = DECO_SPECIAL;
+ *word = wp;
+ *sz = 1;
+ return(1);
+}
git.ckatri.com / mandoc.git / blobdiff