version 1.9, 2009/06/10 20:18:43 |
version 1.21, 2009/08/13 12:31:50 |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#include <assert.h> |
#include <assert.h> |
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#include <ctype.h> |
#include <err.h> |
#include <err.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include "term.h" |
#include "term.h" |
#include "man.h" |
#include "man.h" |
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#define INDENT 7 |
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#define HALFINDENT 3 |
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#ifdef __linux__ |
#ifdef __linux__ |
extern size_t strlcpy(char *, const char *, size_t); |
extern size_t strlcpy(char *, const char *, size_t); |
extern size_t strlcat(char *, const char *, size_t); |
extern size_t strlcat(char *, const char *, size_t); |
#endif |
#endif |
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#define MANT_LITERAL (1 << 0) |
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#define DECL_ARGS struct termp *p, \ |
#define DECL_ARGS struct termp *p, \ |
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int *fl, \ |
const struct man_node *n, \ |
const struct man_node *n, \ |
const struct man_meta *m |
const struct man_meta *m |
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static int pre_B(DECL_ARGS); |
static int pre_B(DECL_ARGS); |
static int pre_BI(DECL_ARGS); |
static int pre_BI(DECL_ARGS); |
static int pre_BR(DECL_ARGS); |
static int pre_BR(DECL_ARGS); |
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static int pre_HP(DECL_ARGS); |
static int pre_I(DECL_ARGS); |
static int pre_I(DECL_ARGS); |
static int pre_IB(DECL_ARGS); |
static int pre_IB(DECL_ARGS); |
static int pre_IP(DECL_ARGS); |
static int pre_IP(DECL_ARGS); |
Line 50 static int pre_RI(DECL_ARGS); |
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Line 58 static int pre_RI(DECL_ARGS); |
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static int pre_SH(DECL_ARGS); |
static int pre_SH(DECL_ARGS); |
static int pre_SS(DECL_ARGS); |
static int pre_SS(DECL_ARGS); |
static int pre_TP(DECL_ARGS); |
static int pre_TP(DECL_ARGS); |
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static int pre_br(DECL_ARGS); |
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static int pre_fi(DECL_ARGS); |
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static int pre_nf(DECL_ARGS); |
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static int pre_r(DECL_ARGS); |
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static int pre_sp(DECL_ARGS); |
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static void post_B(DECL_ARGS); |
static void post_B(DECL_ARGS); |
static void post_I(DECL_ARGS); |
static void post_I(DECL_ARGS); |
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static void post_HP(DECL_ARGS); |
static void post_SH(DECL_ARGS); |
static void post_SH(DECL_ARGS); |
static void post_SS(DECL_ARGS); |
static void post_SS(DECL_ARGS); |
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static void post_TP(DECL_ARGS); |
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static void post_i(DECL_ARGS); |
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static const struct termact termacts[MAN_MAX] = { |
static const struct termact termacts[MAN_MAX] = { |
{ NULL, NULL }, /* __ */ |
{ pre_br, NULL }, /* br */ |
{ NULL, NULL }, /* TH */ |
{ NULL, NULL }, /* TH */ |
{ pre_SH, post_SH }, /* SH */ |
{ pre_SH, post_SH }, /* SH */ |
{ pre_SS, post_SS }, /* SS */ |
{ pre_SS, post_SS }, /* SS */ |
{ pre_TP, NULL }, /* TP */ |
{ pre_TP, post_TP }, /* TP */ |
{ pre_PP, NULL }, /* LP */ |
{ pre_PP, NULL }, /* LP */ |
{ pre_PP, NULL }, /* PP */ |
{ pre_PP, NULL }, /* PP */ |
{ pre_PP, NULL }, /* P */ |
{ pre_PP, NULL }, /* P */ |
{ pre_IP, NULL }, /* IP */ |
{ pre_IP, NULL }, /* IP */ |
{ pre_PP, NULL }, /* HP */ /* FIXME */ |
{ pre_HP, post_HP }, /* HP */ |
{ NULL, NULL }, /* SM */ |
{ NULL, NULL }, /* SM */ |
{ pre_B, post_B }, /* SB */ |
{ pre_B, post_B }, /* SB */ |
{ pre_BI, NULL }, /* BI */ |
{ pre_BI, NULL }, /* BI */ |
Line 78 static const struct termact termacts[MAN_MAX] = { |
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Line 94 static const struct termact termacts[MAN_MAX] = { |
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{ pre_I, post_I }, /* I */ |
{ pre_I, post_I }, /* I */ |
{ pre_IR, NULL }, /* IR */ |
{ pre_IR, NULL }, /* IR */ |
{ pre_RI, NULL }, /* RI */ |
{ pre_RI, NULL }, /* RI */ |
{ pre_PP, NULL }, /* br */ |
{ NULL, NULL }, /* na */ /* TODO: document that has no effect */ |
{ NULL, NULL }, /* na */ |
{ pre_I, post_i }, /* i */ |
{ pre_I, post_I }, /* i */ |
{ pre_sp, NULL }, /* sp */ |
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{ pre_nf, NULL }, /* nf */ |
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{ pre_fi, NULL }, /* fi */ |
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{ pre_r, NULL }, /* r */ |
}; |
}; |
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static void print_head(struct termp *, |
static void print_head(struct termp *, |
Line 89 static void print_body(DECL_ARGS); |
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Line 108 static void print_body(DECL_ARGS); |
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static void print_node(DECL_ARGS); |
static void print_node(DECL_ARGS); |
static void print_foot(struct termp *, |
static void print_foot(struct termp *, |
const struct man_meta *); |
const struct man_meta *); |
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static void fmt_block_vspace(struct termp *, |
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const struct man_node *); |
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static int arg_width(const struct man_node *); |
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int |
int |
man_run(struct termp *p, const struct man *m) |
man_run(struct termp *p, const struct man *m) |
{ |
{ |
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int fl; |
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print_head(p, man_meta(m)); |
print_head(p, man_meta(m)); |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_body(p, man_node(m), man_meta(m)); |
assert(man_node(m)); |
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assert(MAN_ROOT == man_node(m)->type); |
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fl = 0; |
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if (man_node(m)->child) |
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print_body(p, &fl, man_node(m)->child, man_meta(m)); |
print_foot(p, man_meta(m)); |
print_foot(p, man_meta(m)); |
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return(1); |
return(1); |
} |
} |
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static void |
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fmt_block_vspace(struct termp *p, const struct man_node *n) |
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{ |
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term_newln(p); |
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if (NULL == n->prev) |
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return; |
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if (MAN_SS == n->prev->tok) |
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return; |
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if (MAN_SH == n->prev->tok) |
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return; |
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term_vspace(p); |
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} |
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static int |
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arg_width(const struct man_node *n) |
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{ |
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int i, len; |
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const char *p; |
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assert(MAN_TEXT == n->type); |
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assert(n->string); |
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p = n->string; |
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if (0 == (len = (int)strlen(p))) |
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return(-1); |
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for (i = 0; i < len; i++) |
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if ( ! isdigit((u_char)p[i])) |
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break; |
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if (i == len - 1) { |
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if ('n' == p[len - 1] || 'm' == p[len - 1]) |
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return(atoi(p)); |
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} else if (i == len) |
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return(atoi(p)); |
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return(-1); |
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} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
pre_I(DECL_ARGS) |
pre_I(DECL_ARGS) |
Line 115 pre_I(DECL_ARGS) |
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Line 188 pre_I(DECL_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
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static int |
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pre_r(DECL_ARGS) |
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{ |
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p->flags &= ~TERMP_UNDER; |
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p->flags &= ~TERMP_BOLD; |
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return(1); |
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} |
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/* ARGSUSED */ |
static void |
static void |
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post_i(DECL_ARGS) |
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{ |
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if (n->nchild) |
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p->flags &= ~TERMP_UNDER; |
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} |
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/* ARGSUSED */ |
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static void |
post_I(DECL_ARGS) |
post_I(DECL_ARGS) |
{ |
{ |
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Line 125 post_I(DECL_ARGS) |
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Line 219 post_I(DECL_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
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pre_fi(DECL_ARGS) |
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{ |
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*fl &= ~MANT_LITERAL; |
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return(1); |
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} |
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/* ARGSUSED */ |
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static int |
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pre_nf(DECL_ARGS) |
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{ |
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term_newln(p); |
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*fl |= MANT_LITERAL; |
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return(1); |
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} |
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/* ARGSUSED */ |
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static int |
pre_IR(DECL_ARGS) |
pre_IR(DECL_ARGS) |
{ |
{ |
const struct man_node *nn; |
const struct man_node *nn; |
Line 135 pre_IR(DECL_ARGS) |
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Line 250 pre_IR(DECL_ARGS) |
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p->flags |= TERMP_UNDER; |
p->flags |= TERMP_UNDER; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
if ( ! (i % 2)) |
if ( ! (i % 2)) |
p->flags &= ~TERMP_UNDER; |
p->flags &= ~TERMP_UNDER; |
} |
} |
Line 154 pre_IB(DECL_ARGS) |
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Line 269 pre_IB(DECL_ARGS) |
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p->flags |= i % 2 ? TERMP_BOLD : TERMP_UNDER; |
p->flags |= i % 2 ? TERMP_BOLD : TERMP_UNDER; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
p->flags &= i % 2 ? ~TERMP_BOLD : ~TERMP_UNDER; |
p->flags &= i % 2 ? ~TERMP_BOLD : ~TERMP_UNDER; |
} |
} |
return(0); |
return(0); |
Line 173 pre_RB(DECL_ARGS) |
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Line 288 pre_RB(DECL_ARGS) |
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p->flags |= TERMP_BOLD; |
p->flags |= TERMP_BOLD; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
if (i % 2) |
if (i % 2) |
p->flags &= ~TERMP_BOLD; |
p->flags &= ~TERMP_BOLD; |
} |
} |
Line 193 pre_RI(DECL_ARGS) |
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Line 308 pre_RI(DECL_ARGS) |
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p->flags |= TERMP_UNDER; |
p->flags |= TERMP_UNDER; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
if ( ! (i % 2)) |
if ( ! (i % 2)) |
p->flags &= ~TERMP_UNDER; |
p->flags &= ~TERMP_UNDER; |
} |
} |
Line 213 pre_BR(DECL_ARGS) |
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Line 328 pre_BR(DECL_ARGS) |
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p->flags |= TERMP_BOLD; |
p->flags |= TERMP_BOLD; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
if ( ! (i % 2)) |
if ( ! (i % 2)) |
p->flags &= ~TERMP_BOLD; |
p->flags &= ~TERMP_BOLD; |
} |
} |
Line 232 pre_BI(DECL_ARGS) |
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Line 347 pre_BI(DECL_ARGS) |
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p->flags |= i % 2 ? TERMP_UNDER : TERMP_BOLD; |
p->flags |= i % 2 ? TERMP_UNDER : TERMP_BOLD; |
if (i > 0) |
if (i > 0) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
print_node(p, nn, m); |
print_node(p, fl, nn, m); |
p->flags &= i % 2 ? ~TERMP_UNDER : ~TERMP_BOLD; |
p->flags &= i % 2 ? ~TERMP_UNDER : ~TERMP_BOLD; |
} |
} |
return(0); |
return(0); |
Line 260 post_B(DECL_ARGS) |
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Line 375 post_B(DECL_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
pre_PP(DECL_ARGS) |
pre_sp(DECL_ARGS) |
{ |
{ |
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int i, len; |
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term_vspace(p); |
if (NULL == n->child) { |
p->offset = INDENT; |
term_vspace(p); |
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return(0); |
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} |
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len = atoi(n->child->string); |
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if (0 == len) |
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term_newln(p); |
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for (i = 0; i < len; i++) |
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term_vspace(p); |
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return(0); |
return(0); |
} |
} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
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pre_br(DECL_ARGS) |
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{ |
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term_newln(p); |
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return(0); |
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} |
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/* ARGSUSED */ |
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static int |
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pre_HP(DECL_ARGS) |
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{ |
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switch (n->type) { |
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case (MAN_BLOCK): |
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fmt_block_vspace(p, n); |
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break; |
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case (MAN_BODY): |
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p->flags |= TERMP_NOBREAK; |
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p->flags |= TERMP_TWOSPACE; |
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p->offset = INDENT; |
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p->rmargin = INDENT * 2; |
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break; |
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default: |
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return(0); |
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} |
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return(1); |
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} |
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/* ARGSUSED */ |
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static void |
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post_HP(DECL_ARGS) |
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{ |
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switch (n->type) { |
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case (MAN_BODY): |
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term_flushln(p); |
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p->flags &= ~TERMP_NOBREAK; |
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p->flags &= ~TERMP_TWOSPACE; |
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p->offset = INDENT; |
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p->rmargin = p->maxrmargin; |
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break; |
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default: |
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break; |
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} |
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} |
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/* ARGSUSED */ |
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static int |
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pre_PP(DECL_ARGS) |
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{ |
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switch (n->type) { |
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case (MAN_BLOCK): |
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fmt_block_vspace(p, n); |
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break; |
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default: |
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p->offset = INDENT; |
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break; |
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} |
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return(1); |
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} |
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/* ARGSUSED */ |
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static int |
pre_IP(DECL_ARGS) |
pre_IP(DECL_ARGS) |
{ |
{ |
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/* TODO */ |
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#if 0 |
const struct man_node *nn; |
const struct man_node *nn; |
size_t offs; |
size_t offs, sv; |
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int ival; |
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term_vspace(p); |
fmt_block_vspace(p, n); |
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p->flags |= TERMP_NOSPACE; |
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sv = p->offset; |
p->offset = INDENT; |
p->offset = INDENT; |
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if (NULL == (nn = n->child)) |
if (NULL == n->child) |
return(1); |
return(1); |
if (MAN_TEXT != nn->type) |
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errx(1, "expected text line argument"); |
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if (nn->next) { |
p->flags |= TERMP_NOBREAK; |
if (MAN_TEXT != nn->next->type) |
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errx(1, "expected text line argument"); |
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offs = (size_t)atoi(nn->next->string); |
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} else |
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offs = strlen(nn->string); |
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p->flags |= TERMP_NOSPACE; |
offs = sv; |
p->offset += offs; |
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/* |
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* If the last token is number-looking (3m, 3n, 3) then |
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* interpret it as the width specifier, else we stick with the |
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* prior saved offset. XXX - obviously not documented. |
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*/ |
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for (nn = n->child; nn; nn = nn->next) { |
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if (NULL == nn->next) { |
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ival = arg_width(nn); |
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if (ival >= 0) { |
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offs = (size_t)ival; |
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break; |
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} |
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} |
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print_node(p, fl, nn, m); |
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} |
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p->rmargin = p->offset + offs; |
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term_flushln(p); |
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p->offset = offs; |
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p->rmargin = p->maxrmargin; |
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p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; |
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return(0); |
return(0); |
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#endif |
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return(1); |
} |
} |
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Line 301 pre_IP(DECL_ARGS) |
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Line 523 pre_IP(DECL_ARGS) |
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static int |
static int |
pre_TP(DECL_ARGS) |
pre_TP(DECL_ARGS) |
{ |
{ |
const struct man_node *nn; |
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size_t offs; |
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term_vspace(p); |
switch (n->type) { |
p->offset = INDENT; |
case (MAN_BLOCK): |
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fmt_block_vspace(p, n); |
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break; |
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case (MAN_HEAD): |
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p->rmargin = INDENT * 2; |
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p->offset = INDENT; |
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p->flags |= TERMP_NOBREAK; |
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p->flags |= TERMP_TWOSPACE; |
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break; |
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case (MAN_BODY): |
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p->flags |= TERMP_NOLPAD; |
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p->flags |= TERMP_NOSPACE; |
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p->offset = INDENT * 2; |
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break; |
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default: |
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break; |
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} |
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if (NULL == (nn = n->child)) |
return(1); |
return(1); |
} |
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if (nn->line == n->line) { |
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if (MAN_TEXT != nn->type) |
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errx(1, "expected text line argument"); |
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offs = (size_t)atoi(nn->string); |
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nn = nn->next; |
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} else |
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offs = INDENT; |
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for ( ; nn; nn = nn->next) |
/* ARGSUSED */ |
print_node(p, nn, m); |
static void |
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post_TP(DECL_ARGS) |
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{ |
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term_flushln(p); |
switch (n->type) { |
p->flags |= TERMP_NOSPACE; |
case (MAN_HEAD): |
p->offset += offs; |
term_flushln(p); |
return(0); |
p->flags &= ~TERMP_NOBREAK; |
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p->flags &= ~TERMP_TWOSPACE; |
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p->rmargin = p->maxrmargin; |
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break; |
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case (MAN_BODY): |
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term_flushln(p); |
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p->flags &= ~TERMP_NOLPAD; |
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break; |
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default: |
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break; |
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} |
} |
} |
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pre_SS(DECL_ARGS) |
pre_SS(DECL_ARGS) |
{ |
{ |
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term_vspace(p); |
switch (n->type) { |
p->flags |= TERMP_BOLD; |
case (MAN_BLOCK): |
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term_newln(p); |
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if (n->prev) |
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term_vspace(p); |
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break; |
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case (MAN_HEAD): |
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p->flags |= TERMP_BOLD; |
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p->offset = HALFINDENT; |
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break; |
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default: |
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p->offset = INDENT; |
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break; |
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} |
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return(1); |
return(1); |
} |
} |
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post_SS(DECL_ARGS) |
post_SS(DECL_ARGS) |
{ |
{ |
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term_flushln(p); |
switch (n->type) { |
p->flags &= ~TERMP_BOLD; |
case (MAN_HEAD): |
p->flags |= TERMP_NOSPACE; |
term_newln(p); |
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p->flags &= ~TERMP_BOLD; |
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break; |
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default: |
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break; |
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} |
} |
} |
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Line 354 post_SS(DECL_ARGS) |
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Line 613 post_SS(DECL_ARGS) |
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static int |
static int |
pre_SH(DECL_ARGS) |
pre_SH(DECL_ARGS) |
{ |
{ |
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/* |
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* XXX: undocumented: using two `SH' macros in sequence has no |
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* vspace between calls, only a newline. |
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*/ |
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switch (n->type) { |
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case (MAN_BLOCK): |
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if (n->prev && MAN_SH == n->prev->tok) |
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if (NULL == n->prev->body->child) |
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break; |
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term_vspace(p); |
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break; |
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case (MAN_HEAD): |
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p->flags |= TERMP_BOLD; |
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p->offset = 0; |
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break; |
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case (MAN_BODY): |
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p->offset = INDENT; |
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break; |
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default: |
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break; |
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} |
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term_vspace(p); |
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p->offset = 0; |
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p->flags |= TERMP_BOLD; |
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return(1); |
return(1); |
} |
} |
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post_SH(DECL_ARGS) |
post_SH(DECL_ARGS) |
{ |
{ |
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term_flushln(p); |
switch (n->type) { |
p->offset = INDENT; |
case (MAN_HEAD): |
p->flags &= ~TERMP_BOLD; |
term_newln(p); |
p->flags |= TERMP_NOSPACE; |
p->flags &= ~TERMP_BOLD; |
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break; |
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case (MAN_BODY): |
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term_newln(p); |
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break; |
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default: |
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break; |
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} |
} |
} |
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|
|
|
Line 382 print_node(DECL_ARGS) |
|
Line 666 print_node(DECL_ARGS) |
|
c = 1; |
c = 1; |
|
|
switch (n->type) { |
switch (n->type) { |
case(MAN_ELEM): |
|
if (termacts[n->tok].pre) |
|
c = (*termacts[n->tok].pre)(p, n, m); |
|
break; |
|
case(MAN_TEXT): |
case(MAN_TEXT): |
if (0 == *n->string) { |
if (0 == *n->string) { |
term_vspace(p); |
term_vspace(p); |
Line 402 print_node(DECL_ARGS) |
|
Line 682 print_node(DECL_ARGS) |
|
if (sz >= 2 && n->string[sz - 1] == 'c' && |
if (sz >= 2 && n->string[sz - 1] == 'c' && |
n->string[sz - 2] == '\\') |
n->string[sz - 2] == '\\') |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
|
/* FIXME: this means that macro lines are munged! */ |
|
if (MANT_LITERAL & *fl) { |
|
p->flags |= TERMP_NOSPACE; |
|
term_flushln(p); |
|
} |
break; |
break; |
default: |
default: |
|
if (termacts[n->tok].pre) |
|
c = (*termacts[n->tok].pre)(p, fl, n, m); |
break; |
break; |
} |
} |
|
|
if (c && n->child) |
if (c && n->child) |
print_body(p, n->child, m); |
print_body(p, fl, n->child, m); |
|
|
switch (n->type) { |
if (MAN_TEXT != n->type) |
case (MAN_ELEM): |
|
if (termacts[n->tok].post) |
if (termacts[n->tok].post) |
(*termacts[n->tok].post)(p, n, m); |
(*termacts[n->tok].post)(p, fl, n, m); |
break; |
|
default: |
|
break; |
|
} |
|
} |
} |
|
|
|
|
static void |
static void |
print_body(DECL_ARGS) |
print_body(DECL_ARGS) |
{ |
{ |
print_node(p, n, m); |
|
|
print_node(p, fl, n, m); |
if ( ! n->next) |
if ( ! n->next) |
return; |
return; |
print_body(p, n->next, m); |
print_body(p, fl, n->next, m); |
} |
} |
|
|
|
|
Line 442 print_foot(struct termp *p, const struct man_meta *met |
|
Line 725 print_foot(struct termp *p, const struct man_meta *met |
|
|
|
tm = localtime(&meta->date); |
tm = localtime(&meta->date); |
|
|
#ifdef __OpenBSD__ |
|
if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) |
|
#else |
|
if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) |
if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) |
#endif |
|
err(1, "strftime"); |
err(1, "strftime"); |
|
|
term_vspace(p); |
term_vspace(p); |
Line 495 print_head(struct termp *p, const struct man_meta *met |
|
Line 774 print_head(struct termp *p, const struct man_meta *met |
|
meta->title, meta->msec); |
meta->title, meta->msec); |
|
|
p->offset = 0; |
p->offset = 0; |
p->rmargin = (p->maxrmargin - strlen(buf)) / 2; |
p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2; |
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; |
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; |
|
|
term_word(p, title); |
term_word(p, title); |