1 files changed, 153 insertions, 0 deletions
diff --git a/etpo/lexer.l b/etpo/lexer.l
new file mode 100644
index 0000000..9b5fee7
--- /dev/null
+++ b/etpo/lexer.l
@@ -0,0 +1,153 @@
+%{
+/*
+ * Copyright (C) 2004 Red Hat, Inc.
+ *
+ * This is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "config.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <ftw.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <glib.h>
+#include "grammar.h"
+%}
+%x QUOTED
+%%
+error_table|et		{ yylval.sval = g_strdup(yytext);
+			  return ERROR_TABLE_START; };
+end			{ return ERROR_TABLE_END; };
+error_code|ec		{ yylval.sval = g_strdup(yytext);
+			  return ERROR_CODE_START; };
+,			{ return COMMA; };
+\\\n			{ };
+<INITIAL>[\r\n]		{ };
+<INITIAL>[A-Za-z0-9_-]+	{ yylval.sval = g_strdup(yytext);
+			  return TOKEN; };
+<INITIAL>[ \t]		{ };
+<INITIAL>\"		{ BEGIN(QUOTED);
+			  yylval.sval = g_strdup("");
+			  return QUOTE; };
+<QUOTED>\"		{ BEGIN(INITIAL);
+			  return QUOTE; };
+<QUOTED>[^\"]+		{ yylval.sval = g_strdup(yytext);
+			  return LITERAL; };
+<QUOTED>\n		{ yylval.sval = g_strdup(yytext);
+			  return LITERAL; };
+<*>^#.*$		{ };
+%%
+
+/* Complete list of filenames, an iterator for that list, and the contents of
+ * the current item. */
+static GList *filenames = NULL, *filename = NULL;
+const char *currentfile = NULL;
+
+int
+yyerror(void)
+{
+	g_print("Syntax error (%s).\n", currentfile);
+	exit(1);
+}
+
+/* Callback for ftw().  Adds the filename being examined to the global list of
+ * filenames. */
+static int
+fn(const char *file, const struct stat *st, int flag)
+{
+	int i;
+	if (flag == FTW_F) {
+		i = strlen(file);
+		if ((i > 3) &&
+		    (strncmp(file + strlen(file) - 3, ".et", 3) == 0)) {
+			filenames = g_list_append(filenames, g_strdup(file));
+		}
+	}
+	return 0;
+}
+
+/* Open the next filename in the list of files, if we have a list and we
+ * haven't reached its end. */
+int
+yywrap(void)
+{
+	if ((filename != NULL) && (g_list_next(filename) != NULL)) {
+		fclose(yyin);
+		filename = g_list_next(filename);
+		currentfile = filename->data;
+		yyin = fopen(currentfile, "r");
+		return 0;
+	}
+	return 1;
+}
+
+/* Spew forth a gettext .pot header. */
+static void
+header(void)
+{
+	const char *boilerplate = "const char *dummy = {\n";
+	printf(boilerplate);
+}
+
+static void
+tail(void)
+{
+	const char *boilerplate = "};\n";
+	printf(boilerplate);
+}
+
+int
+main(int argc, char **argv)
+{
+	int i;
+	/* Call getopt.  We don't provide any options just now, but this lets
+	 * us handle "--help" and "-h" queries simply. */
+	while ((i = getopt(argc, argv, "")) != -1) {
+		switch (i) {
+		default:
+			printf("Usage: etpo [directory ...]\n");
+			return 2;
+			break;
+		}
+	}
+	/* Assume that each non-option argument is a directory. */
+	for (i = optind; i < argc; i++) {
+		if (ftw(argv[i], fn, 10) != 0) {
+			perror("ftw");
+			return 1;
+		}
+	}
+	/* Spew out a header. */
+	header();
+	if (g_list_length(filenames) > 0) {
+		/* Open the first file and start parsing it. */
+		filename = filenames;
+		currentfile = filename->data;
+		yyin = fopen(currentfile, "r");
+		yyparse();
+		fclose(yyin);
+	} else {
+		/* Start parsing stdin. */
+		currentfile = "<stdin>";
+		yyin = stdin;
+	}
+	tail();
+	return 0;
+}