Split off the old console parser into idparse.[ch] and prepared the cbuf

struct and support functions for GIB mark III. Oh yeah, I'm back.
2025-05-31 00:30:57 +00:00 · 2002-07-31 22:03:53 +00:00 · 2002-07-31 22:03:53 +00:00 · a93b221272
commit a93b221272
parent ad8176d68c
11 changed files with 242 additions and 137 deletions
--- a/libs/util/idparse.c
+++ b/libs/util/idparse.c
@ -0,0 +1,156 @@
+/*
+	#FILENAME#
+
+	#DESCRIPTION#
+
+	Copyright (C) 2002 #AUTHOR#
+
+	Author: #AUTHOR#
+	Date: #DATE#
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU 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 General Public License
+	along with this program; if not, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+*/
+
+#include <ctype.h>
+
+#include "QF/dstring.h"
+#include "QF/cbuf.h"
+
+static dstring_t *_com_token;
+const char *com_token;
+
+const char *
+COM_Parse (const char *data)
+{
+	int         c;
+	int         i;
+
+	if (!_com_token) {
+		_com_token = dstring_newstr ();
+	} else {
+		dstring_clearstr (_com_token);
+	}
+	com_token = _com_token->str;
+	
+	if (!data)
+		return 0;
+
+skipwhite:
+	while (isspace ((byte) *data))
+		data++;
+	if (!*data)
+		return 0;
+	if (data[0] == '/' && data[1] == '/') {
+		while (*data && *data != '\n')
+			data++;
+		goto skipwhite;
+	}
+	if (*data == '"') {
+		data++;
+		i = 0;
+		while (1) {
+			c = data[i++];
+			if (c == '"' || !c) {
+				dstring_insert (_com_token, data, i - 1, 0);
+				goto done;
+			}
+		}
+	}
+	i = 0;
+	do {
+		i++;
+	} while (data[i] && !isspace ((byte) data[i]));
+	dstring_insert (_com_token, data, i, 0);
+done:
+	com_token = _com_token->str;
+	return data + i;
+}
+
+void
+COM_TokenizeString (const char *str, cbuf_args_t *args)
+{
+	const char *s;
+
+	args->argc = 0;
+
+	while (1) {
+		while (isspace ((byte)*str) && *str != '\n')
+			str++;
+		if (*str == '\n') {
+			str++;
+			break;
+		}
+
+		if (!*str)
+			return;
+
+		s = COM_Parse (str);
+		if (!s)
+			return;
+
+		Cbuf_ArgsAdd (args, com_token);
+		args->args[args->argc - 1] = str;
+		str = s;
+	}
+	return;
+}
+
+void
+COM_extract_line (cbuf_t *cbuf)
+{
+	int         i;
+	int         len = cbuf->buf->size - 1;
+	char       *text = cbuf->buf->str;
+	int         quotes = 0;
+
+	dstring_clearstr (cbuf->line);
+	for (i = 0; i < len; i++) {
+		if (text[i] == '"')
+			quotes++;
+		if (!(quotes & 1)) {
+			if (text[i] == ';')
+				// don't break if inside a quoted string
+				break;
+			if (text[i] == '/' && text[i + 1] == '/') {
+				int         j = i;
+				while (j < len && text[j] != '\n' && text[j] != '\r')
+					j++;
+				dstring_snip (cbuf->buf, i, j - i);
+				len -= j - i;
+			}
+		}
+		if (text[i] == '\n' || text[i] == '\r')
+			break;
+	}
+	if (i)
+		dstring_insert (cbuf->line, text, i, 0);
+	if (text[i]) {
+		dstring_snip (cbuf->buf, 0, i + 1);
+	} else {
+		// We've hit the end of the buffer, just clear it
+		dstring_clearstr (cbuf->buf);
+	}
+}
+
+void
+COM_parse_line (cbuf_t *cbuf)
+{
+	COM_TokenizeString (cbuf->line->str, cbuf->args);;
+}