+ /* Found an escape and at least one other character. */
+ if ('\n' == blk.buf[i + 1]) {
+ /* Escaped newlines are skipped over */
+ i += 2;
+ ++lnn;
+ continue;
+ }
+ if ('"' == blk.buf[i + 1]) {
+ i += 2;
+ /* Comment, skip to end of line */
+ for (; i < (int)blk.sz; ++i) {
+ if ('\n' == blk.buf[i]) {
+ ++i;
+ ++lnn;
+ break;
+ }
+ }
+ /* Backout trailing whitespaces */
+ for (; pos > 0; --pos) {
+ if (ln.buf[pos - 1] != ' ')
+ break;
+ if (pos > 2 && ln.buf[pos - 2] == '\\')
+ break;
+ }
+ break;
+ }
+ /* Some other escape sequence, copy and continue. */
+ if (pos + 1 >= (int)ln.sz)
+ if (! resize_buf(&ln, 256))
+ goto bailout;
+
+ ln.buf[pos++] = blk.buf[i++];
+ ln.buf[pos++] = blk.buf[i++];
+ }
+
+ if (pos >= (int)ln.sz)
+ if (! resize_buf(&ln, 256))
+ goto bailout;
+ ln.buf[pos] = '\0';
+
+ /*
+ * A significant amount of complexity is contained by
+ * the roff preprocessor. It's line-oriented but can be
+ * expressed on one line, so we need at times to
+ * readjust our starting point and re-run it. The roff
+ * preprocessor can also readjust the buffers with new
+ * data, so we pass them in wholesale.
+ */
+
+ of = 0;
+ do {
+ re = roff_parseln(roff, lnn_start,
+ &ln.buf, &ln.sz, of, &of);
+ } while (ROFF_RERUN == re);
+
+ if (ROFF_IGN == re)
+ continue;
+ else if (ROFF_ERR == re)
+ goto bailout;
+
+ /*
+ * If input parsers have not been allocated, do so now.
+ * We keep these instanced betwen parsers, but set them
+ * locally per parse routine since we can use different
+ * parsers with each one.
+ */
+
+ if ( ! (man || mdoc))
+ if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
+ goto bailout;
+
+ /* Lastly, push down into the parsers themselves. */
+
+ if (man && ! man_parseln(man, lnn_start, ln.buf, of))
+ goto bailout;
+ if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of))
+ goto bailout;
+ }
+
+ /* NOTE a parser may not have been assigned, yet. */
+
+ if ( ! (man || mdoc)) {
+ fprintf(stderr, "%s: Not a manual\n", curp->file);
+ goto bailout;
+ }
+
+ /* Clean up the parse routine ASTs. */
+
+ if (mdoc && ! mdoc_endparse(mdoc))
+ goto bailout;
+ if (man && ! man_endparse(man))
+ goto bailout;
+ if (roff && ! roff_endparse(roff))
+ goto bailout;
+
+ /* If unset, allocate output dev now (if applicable). */
+
+ if ( ! (curp->outman && curp->outmdoc)) {
+ switch (curp->outtype) {
+ case (OUTT_XHTML):
+ curp->outdata = xhtml_alloc(curp->outopts);
+ break;
+ case (OUTT_HTML):
+ curp->outdata = html_alloc(curp->outopts);
+ break;
+ case (OUTT_ASCII):
+ curp->outdata = ascii_alloc(curp->outopts);
+ curp->outfree = ascii_free;
+ break;
+ case (OUTT_PDF):
+ curp->outdata = pdf_alloc(curp->outopts);
+ curp->outfree = pspdf_free;
+ break;
+ case (OUTT_PS):
+ curp->outdata = ps_alloc(curp->outopts);
+ curp->outfree = pspdf_free;
+ break;
+ default:
+ break;
+ }
git.ckatri.com / mandoc.git / blobdiff