void
renderrunes(Bytes *b, Rune *r)
{
int i, n;
n = runestrlen(r);
for(i=0; i<n; i++){
switch(r[i]){
case '\n':
if(inword)
emitword(b, r+wordi, i-wordi);
col = 0;
if(b->n == 0)
break; /* don't start with blank lines */
if(b->n<2 || b->b[b->n-1]!='\n' || b->b[b->n-2]!='\n')
growbytes(b, "\n", 1);
break;
case ' ':
if(inword)
emitword(b, r+wordi, i-wordi);
break;
default:
if(!inword)
wordi = i;
inword = 1;
break;
}
}
if(inword)
emitword(b, r+wordi, i-wordi);
}
int main(void)
{
char word[MAXCOL];
int length; /* Length of the current word */
int space; /* Number of spaces left */
int c; /* The current character */
length = 0;
space = MAXCOL;
while ((c = getchar()) != EOF) {
if (c == ' ' || c == '\n') {
if (length != 0) {
if (length > space) {
putchar('\n');
space = MAXCOL - length;
} else {
space -= length;
}
emitword(word, length);
length = 0;
}
if (c == ' ' && space >= 1) {
space -= 1;
putchar(' ');
} else {
space = MAXCOL;
putchar('\n');
}
} else {
word[length] = c;
++length;
if (length == MAXCOL) {
if (space != MAXCOL) {
putchar('\n');
}
emitword(word, MAXCOL);
putchar('\n');
space = MAXCOL;
length = 0;
}
}
}
return 0;
}
void
render(URLwin *u, Bytes *t, Item *items, int curanchor)
{
Item *il;
Itext *it;
Ifloat *ifl;
Ispacer *is;
Itable *ita;
Iimage *im;
Anchor *a;
Table *tab;
Tablecell *cell;
char *href;
inword = 0;
col = 0;
wordi = 0;
for(il=items; il!=nil; il=il->next){
if(il->state & IFbrk)
renderbytes(t, "\n");
if(il->state & IFbrksp)
renderbytes(t, "\n");
switch(il->tag){
case Itexttag:
it = (Itext*)il;
if(it->state & IFwrap)
renderrunes(t, it->s);
else
emitword(t, it->s, runestrlen(it->s));
break;
case Iruletag:
if(t->n>0 && t->b[t->n-1]!='\n')
renderbytes(t, "\n");
renderbytes(t, "=======\n");
break;
case Iimagetag:
if(!aflag)
break;
im = (Iimage*)il;
if(im->imsrc){
href = fullurl(u, im->imsrc);
renderbytes(t, "[image %s]", href);
free(href);
}
break;
case Iformfieldtag:
if(aflag)
renderbytes(t, "[formfield]");
break;
case Itabletag:
ita = (Itable*)il;
tab = ita->table;
for(cell=tab->cells; cell!=nil; cell=cell->next){
render(u, t, cell->content, curanchor);
}
if(t->n>0 && t->b[t->n-1]!='\n')
renderbytes(t, "\n");
break;
case Ifloattag:
ifl = (Ifloat*)il;
render(u, t, ifl->item, curanchor);
break;
case Ispacertag:
is = (Ispacer*)il;
if(is->spkind != ISPnull)
renderbytes(t, " ");
break;
default:
error("unknown item tag %d\n", il->tag);
}
if(il->anchorid != 0 && il->anchorid!=curanchor){
for(a=u->docinfo->anchors; a!=nil; a=a->next)
if(aflag && a->index == il->anchorid){
href = fullurl(u, a->href);
renderbytes(t, "[%s]", href);
free(href);
break;
}
curanchor = il->anchorid;
}
}
if(t->n>0 && t->b[t->n-1]!='\n')
renderbytes(t, "\n");
}
