1 files changed, 129 insertions, 0 deletions
diff --git a/src/libs/resource/propfile.c b/src/libs/resource/propfile.c
new file mode 100644
index 0000000..1784600
--- /dev/null
+++ b/src/libs/resource/propfile.c
@@ -0,0 +1,129 @@
+/*  propfile.c, Copyright (c) 2008 Michael C. Martin */
+
+/*
+ *  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 thta it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Se 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 the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "libs/log.h"
+#include "propfile.h"
+#include "libs/reslib.h"
+
+void
+PropFile_from_string (char *d, PROPERTY_HANDLER handler, const char *prefix)
+{
+	int len, i;
+
+	len = strlen(d);
+	i = 0;
+	while (i < len) {
+		int key_start, key_end, value_start, value_end;
+		/* Starting a line: search for non-whitespace */
+		while ((i < len) && isspace (d[i])) i++;
+		if (i >= len) break;  /* Done parsing! */
+		/* If it was a comment, skip to end of comment/file */
+		if (d[i] == '#') {
+			while ((i < len) && (d[i] != '\n')) i++;
+			if (i >= len) break;
+			continue; /* Back to keyword search */
+		}
+		key_start = i;
+		/* Find the = on this line */
+		while ((i < len) && (d[i] != '=') &&
+		       (d[i] != '\n') && (d[i] != '#')) i++;
+		if (i >= len) {  /* Bare key at EOF */
+			log_add (log_Warning, "Warning: Bare keyword at EOF");
+			break;
+		}
+		/* Comments here mean incomplete line too */
+		if (d[i] != '=') {
+			log_add (log_Warning, "Warning: Key without value");
+			while ((i < len) && (d[i] != '\n')) i++;
+			if (i >= len) break;
+			continue; /* Back to keyword search */
+		}
+		/* Key ends at first whitespace before = , or at key_start*/
+		key_end = i;
+		while ((key_end > key_start) && isspace (d[key_end-1]))
+			key_end--;
+		
+		/* Consume the = */
+		i++;
+		/* Value starts at first non-whitespace after = on line... */
+		while ((i < len) && (d[i] != '#') && (d[i] != '\n') &&
+		       isspace (d[i]))
+			i++;
+		value_start = i;
+		/* Until first non-whitespace before terminator */
+		while ((i < len) && (d[i] != '#') && (d[i] != '\n'))
+			i++;
+		value_end = i;
+		while ((value_end > value_start) && isspace (d[value_end-1]))
+			value_end--;
+		/* Skip past EOL or EOF */
+		while ((i < len) && (d[i] != '\n'))
+			i++;
+		i++;
+
+		/* We now have start and end values for key and value.
+		   We terminate the strings for both by writing \0s, then
+		   make a new map entry. */
+		d[key_end] = '\0';
+		d[value_end] = '\0';
+		if (prefix) {
+			char buf[256];
+			snprintf(buf, 255, "%s%s", prefix, d+key_start);
+			buf[255]=0;
+			handler(buf, d+value_start);
+		} else {
+			handler (d+key_start, d+value_start);
+		}
+	}
+}
+
+void
+PropFile_from_file (uio_Stream *f, PROPERTY_HANDLER handler, const char *prefix)
+{
+	size_t flen;
+	char *data;
+
+	flen = LengthResFile (f);
+
+	data = malloc (flen + 1);
+	if (!data) {
+		return;
+	}
+
+	// We may end up with less bytes than we asked for due to the
+	// DOS->Unix newline conversion
+	flen = ReadResFile (data, 1, flen, f);
+	data[flen] = '\0';
+
+	PropFile_from_string (data, handler, prefix);
+	free (data);
+}
+
+void
+PropFile_from_filename (uio_DirHandle *path, const char *fname, PROPERTY_HANDLER handler, const char *prefix)
+{
+	uio_Stream *f = res_OpenResFile (path, fname, "rt");
+	if (!f) {
+		return;
+	}
+	PropFile_from_file (f, handler, prefix);
+	res_CloseResFile(f);
+}