1 files changed, 87 insertions, 0 deletions
diff --git a/troff/troff.d/dhtml/dhtml.l b/troff/troff.d/dhtml/dhtml.l
new file mode 100644
index 0000000000000..c99db26a88a19
--- /dev/null
+++ b/troff/troff.d/dhtml/dhtml.l
@@ -0,0 +1,87 @@
+%{
+/*
+ * Copyright (c) 2015, Carsten Kunze
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h>
+#include "dhtml.h"
+#include "tr_out.h"
+#include "char.h"
+#include "main.h"
+static int i0;
+%}
+%x X FONT_NUM FONT_NAM T X_X LINK ULINK ANCHOR
+WS  [ ]
+NWS [^ \n]
+%%
+<X>f{NWS}*{WS}+		{ BEGIN FONT_NUM; }
+<X>T{NWS}*{WS}+		{ BEGIN T; }
+<X>X{NWS}*{WS}+		{ BEGIN X_X; }
+<X>[^fTX].*		{ BEGIN 0; }
+<FONT_NUM>[0-9]+{WS}+	{ i0 = atoi(yytext);
+			  BEGIN FONT_NAM; }
+<FONT_NAM>{NWS}+	{ out_x_f(i0, yytext);
+			  BEGIN 0; }
+<T>{NWS}+		{ out_x_T(yytext);
+			  BEGIN 0; }
+<X_X>Link{WS}+		{ BEGIN LINK; }
+<X_X>ULink{WS}+		{ BEGIN ULINK; }
+<X_X>U?Link{WS}*\n	{ out_end_link();
+			  BEGIN 0; }
+<X_X>Anchor{WS}+	{ BEGIN ANCHOR; }
+<X_X>LC_TYPE.*		{ BEGIN 0; }
+<X_X>[^AL].*		{ BEGIN 0; }
+<LINK>.+		{ out_begin_link(yytext);
+			  BEGIN 0; }
+<ULINK>.+		{ out_begin_ulink(yytext);
+			  BEGIN 0; }
+<ANCHOR>.+		{ out_anchor(yytext);
+			  BEGIN 0; }
+c.			{ char_c(yytext[1]); }
+[0-9][0-9].		{ char_c(yytext[2]); }
+C{NWS}+			{ char_C(yytext+1); }
+w			{ out_w(); }
+H-?[0-9]+		{ ; }
+h-?[0-9]+		{ out_h(atoi(yytext+1)); }
+V-?[0-9]+		{ out_V(atoi(yytext+1)); }
+v-?[0-9]+		{ fprintf(stderr, "Ignore v %s\n", yytext+1); }
+f[0-9]+			{ out_f(atoi(yytext+1)); }
+N[0-9]+			{ char_N(atoi(yytext+1)); }
+n[0-9]+{WS}+[0-9]+	{ out_n(atoi(yytext+1)); }
+s[0-9]+			{ out_s(atoi(yytext+1)); }
+p[0-9]+			{ ; }
+x{WS}+			{ BEGIN X; }
+D.+			{ ; }
+\n			{ ; }
+.			{ fprintf(stderr, "Ignore '%c'\n", *yytext); }
+%%
+int
+yywrap(void) {
+	return 1;
+}
+void
+run_lex(void) {
+	yylex();
+}