version 1.131, 2010/04/08 07:05:38 |
version 1.135, 2010/05/16 01:35:37 |
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#include "mdoc.h" |
#include "mdoc.h" |
#include "main.h" |
#include "main.h" |
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static struct termp *term_alloc(enum termenc); |
static struct termp *term_alloc(enum termenc, size_t); |
static void term_free(struct termp *); |
static void term_free(struct termp *); |
static void spec(struct termp *, const char *, size_t); |
static void spec(struct termp *, const char *, size_t); |
static void res(struct termp *, const char *, size_t); |
static void res(struct termp *, const char *, size_t); |
Line 45 static void encode(struct termp *, const char *, si |
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Line 45 static void encode(struct termp *, const char *, si |
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void * |
void * |
ascii_alloc(void) |
ascii_alloc(size_t width) |
{ |
{ |
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return(term_alloc(TERMENC_ASCII)); |
return(term_alloc(TERMENC_ASCII, width)); |
} |
} |
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Line 74 term_free(struct termp *p) |
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Line 74 term_free(struct termp *p) |
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static struct termp * |
static struct termp * |
term_alloc(enum termenc enc) |
term_alloc(enum termenc enc, size_t width) |
{ |
{ |
struct termp *p; |
struct termp *p; |
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Line 84 term_alloc(enum termenc enc) |
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Line 84 term_alloc(enum termenc enc) |
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exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
p->enc = enc; |
p->enc = enc; |
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/* Enforce some lower boundary. */ |
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if (width < 60) |
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width = 60; |
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p->defrmargin = width - 2; |
return(p); |
return(p); |
} |
} |
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Line 131 term_flushln(struct termp *p) |
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Line 135 term_flushln(struct termp *p) |
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size_t vbl; /* number of blanks to prepend to output */ |
size_t vbl; /* number of blanks to prepend to output */ |
size_t vsz; /* visual characters to write to output */ |
size_t vsz; /* visual characters to write to output */ |
size_t bp; /* visual right border position */ |
size_t bp; /* visual right border position */ |
size_t hyph; /* visible position of hyphen */ |
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int j; /* temporary loop index */ |
int j; /* temporary loop index */ |
size_t maxvis, mmax; |
size_t maxvis, mmax; |
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Line 177 term_flushln(struct termp *p) |
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Line 180 term_flushln(struct termp *p) |
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* (starting with the CSI) aren't counted. A space |
* (starting with the CSI) aren't counted. A space |
* generates a non-printing word, which is valid (the |
* generates a non-printing word, which is valid (the |
* space is printed according to regular spacing rules). |
* space is printed according to regular spacing rules). |
* Collect the number of printable characters until the |
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* first hyphen, if found. Hyphens aren't included if |
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* they're the first character (so `Fl' doesn't break) |
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* or second consecutive character (`Fl -'). |
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*/ |
*/ |
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/* LINTED */ |
/* LINTED */ |
for (j = i, vsz = 0, hyph = 0; j < (int)p->col; j++) { |
for (j = i, vsz = 0; j < (int)p->col; j++) { |
if (j && ' ' == p->buf[j]) |
if (j && ' ' == p->buf[j]) |
break; |
break; |
if (8 == p->buf[j]) |
if (8 == p->buf[j]) |
vsz--; |
vsz--; |
else |
else |
vsz++; |
vsz++; |
if (j > i && '-' == p->buf[j] && 0 == hyph) |
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if ('-' != p->buf[j - 1]) |
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hyph = vsz; |
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} |
} |
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/* |
/* |
Line 206 term_flushln(struct termp *p) |
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Line 202 term_flushln(struct termp *p) |
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/* |
/* |
* Find out whether we would exceed the right margin. |
* Find out whether we would exceed the right margin. |
* If so, break to the next line, possibly after |
* If so, break to the next line. Otherwise, write the chosen |
* emittign character up to a hyphen. Otherwise, write |
* number of blanks. |
* the chosen number of blanks. |
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*/ |
*/ |
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if (vis && vis + vbl + vsz > bp) { |
if (vis && vis + vbl + vsz > bp) { |
/* |
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* Has a hyphen been found before the breakpoint |
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* that we can use? |
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*/ |
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if (hyph && vis + vbl + hyph <= bp) { |
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/* First prepend blanks. */ |
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for (j = 0; j < (int)vbl; j++) |
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putchar(' '); |
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/* Emit up to the character. */ |
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do { |
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if (31 == p->buf[i]) |
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putchar(' '); |
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else |
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putchar(p->buf[i]); |
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if (8 != p->buf[i]) |
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vsz--; |
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} while ('-' != p->buf[i++]); |
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/* Emit trailing decoration. */ |
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if (8 == p->buf[i]) { |
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putchar(p->buf[i]); |
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putchar(p->buf[i + 1]); |
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} |
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} |
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putchar('\n'); |
putchar('\n'); |
if (TERMP_NOBREAK & p->flags) { |
if (TERMP_NOBREAK & p->flags) { |
for (j = 0; j < (int)p->rmargin; j++) |
for (j = 0; j < (int)p->rmargin; j++) |
Line 264 term_flushln(struct termp *p) |
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Line 233 term_flushln(struct termp *p) |
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for ( ; i < (int)p->col; i++) |
for ( ; i < (int)p->col; i++) |
if (' ' == p->buf[i]) |
if (' ' == p->buf[i]) |
break; |
break; |
else if (31 == p->buf[i]) |
else if (ASCII_NBRSP == p->buf[i]) |
putchar(' '); |
putchar(' '); |
else |
else |
putchar(p->buf[i]); |
putchar(p->buf[i]); |
Line 480 term_word(struct termp *p, const char *word) |
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Line 449 term_word(struct termp *p, const char *word) |
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break; |
break; |
} |
} |
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if ( ! (TERMP_NOSPACE & p->flags)) |
if ( ! (TERMP_NOSPACE & p->flags)) { |
bufferc(p, ' '); |
bufferc(p, ' '); |
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if (TERMP_SENTENCE & p->flags) |
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bufferc(p, ' '); |
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} |
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if ( ! (p->flags & TERMP_NONOSPACE)) |
if ( ! (p->flags & TERMP_NONOSPACE)) |
p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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p->flags &= ~TERMP_SENTENCE; |
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/* FIXME: use strcspn. */ |
/* FIXME: use strcspn. */ |
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