Import the SCI engine sources from the FreeSCI Glutton branch (it doesn't compile yet)

svn-id: r38192

1 files changed, 108 insertions, 0 deletions

diff --git a/engines/sci/include/conf_parse.h b/engines/sci/include/conf_parse.h
new file mode 100644
index 0000000000..d5ffd5b9da
--- /dev/null
+++ b/engines/sci/include/conf_parse.h
@@ -0,0 +1,108 @@
+/***************************************************************************
+ conf_parse.h Copyright (C) 2007 Christoph Reichenbach
+
+
+ This program may be modified and copied freely according to the terms of
+ the GNU general public license (GPL), as long as the above copyright
+ notice and the licensing information contained herein are preserved.
+
+ Please refer to www.gnu.org for licensing details.
+
+ This work is provided AS IS, without warranty of any kind, expressed or
+ implied, including but not limited to the warranties of merchantibility,
+ noninfringement, and fitness for a specific purpose. The author will not
+ be held liable for any damage caused by this work or derivatives of it.
+
+ By using this source code, you agree to the licensing terms as stated
+ above.
+
+
+ Please contact the maintainer for bug reports or inquiries.
+
+ Current Maintainer:
+
+    Christoph Reichenbach (CR) <jameson@linuxgames.com>
+
+***************************************************************************/
+
+/* RAW parse (config layers zero and one) */
+
+#ifndef CONF_PARSE_H_
+#define CONF_PARSE_H_
+#include <conf_extension.h>
+
+#define CONF_PARSE_TYPE_WHITESPACE		1	/* Whitespace, comments */
+#define CONF_PARSE_TYPE_SUBSECTION		2	/* Subsection division */
+#define CONF_PARSE_TYPE_OPTION			3	/* Option or driver assignment */
+#define CONF_PARSE_TYPE_INCLUDE			4	/* External include file */
+#define CONF_PARSE_TYPE_EXTENSION		5	/* An ``extension'' */
+#define CONF_PARSE_TYPE_LEXERROR		255	/* Something lexically broken (stored in ``whitespace'') */
+
+/* Base options */
+#define CONF_PARSE_BASEOPTION_VERSION		0
+#define CONF_PARSE_BASEOPTION_RESOURCEDIR	1
+#define CONF_PARSE_BASEOPTION_DEBUGMODE		2
+
+typedef struct _conf_parse_struct {
+	int type;	/* c. CONF_PARSE_TYPE */
+	int line_nr;	/* Line number in the current input file */
+
+	struct _conf_parse_struct *prev;
+	struct _conf_parse_struct *next;
+	struct _conf_parse_struct *overridden;	/* In case we overrode something */
+
+	union {
+		char *whitespace;
+		struct {
+			char *subsystem;	/* may be NULL if driver==NULL */
+			char *driver;		/* may be NULL */
+			char *option;
+			char *centre_whitespace;
+			char *value;
+			char *terminal_whitespace;
+		} assignment; /* driver assignment, option */
+		struct {
+			char *pre_whitespace;
+			char *name;
+			char *post_whitespace;
+		} subsection;
+		struct {
+			char *include_prefix;	/* NULL for system includes */
+			char *filename;		/* Extracted from include_stmt, also a copy */
+			char *include_suffix;	/* NULL for system includes */
+			int modifiable;		/* May we write to this file? */
+			struct _conf_parse_struct *options_head;
+			struct _conf_parse_struct *options_end;
+		} include;
+		conf_extension_t *extension; /* Extended information, cf. conf_extension.h */
+	} data;
+} conf_parse_t;
+
+
+
+conf_parse_t *
+conf_read_file(char *config_file_name, int modifiable, conf_parse_t *previous);
+/* Read configuration file
+** Parameters: (char *) config_file_name:  File name for the source config file
+**             (int) modifiable: Whether to treat the result as modifiable
+**             (conf_parse_t *) previous:  Head of the previous configuration, or NULL if none
+** Returns   : (conf_parse_t *) Head of the combined config parse, or NULL on failure
+** Effects   : (stderr) Error message if the specified file was found but parsing failed
+*/
+
+void
+conf_free_parse(conf_parse_t *raw_config);
+/* Deallocates a conf_parse_t
+** Parameters: (conf_parse_t *) raw_config: The raw parse to deallocate
+** Returns   : usually.
+*/
+
+void
+conf_write_parse(conf_parse_t *raw_config);
+/* Writes out all writeable parts of the configuration parse to the source files, if writeable
+** Parameters: (conf_parse_t *) raw_config
+** Effects   : (stderr) Prints error message if ``modifiable'' file could not be written to
+**             (filesystem) All ``modifiable'' config files are overwritten
+*/
+
+#endif /* !defined (CONF_PARSE_H_) */