From 70bfc710f37bd3f134fa201299efa7bdf098a399 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Tue, 1 Jul 2014 23:40:35 +0200
Subject: Restore saving

---
 src/presentation.c |  3 ++-
 src/sc_parse.c     | 35 +++++++++++++++++++++++++++++++++++
 src/sc_parse.h     |  4 ++++
 3 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/src/presentation.c b/src/presentation.c
index 4b89126..9fbefb2 100644
--- a/src/presentation.c
+++ b/src/presentation.c
@@ -320,7 +320,8 @@ int save_presentation(struct presentation *p, const char *filename)
 	fh = fopen(filename, "w");
 	if ( fh == NULL ) return 1;
 
-	/* FIXME: Save based on SCBlocks */
+	show_sc_blocks(p->scblocks);
+	save_sc_block(fh, p->scblocks);
 
 	/* Slightly fiddly because someone might
 	 * do save_presentation(p, p->filename) */
diff --git a/src/sc_parse.c b/src/sc_parse.c
index 51f55de..510f097 100644
--- a/src/sc_parse.c
+++ b/src/sc_parse.c
@@ -147,6 +147,41 @@ void sc_block_free(SCBlock *bl)
 }
 
 
+void save_sc_block(FILE *fh, const SCBlock *bl)
+{
+	while ( bl != NULL ) {
+
+		if ( bl->name == NULL ) {
+			fprintf(fh, "%s", bl->contents);
+		} else {
+
+			fprintf(fh, "\\%s", bl->name);
+			if ( bl->options != NULL ) {
+				fprintf(fh, "[%s]", bl->options);
+			}
+			if ( (bl->contents != NULL) || (bl->child != NULL) ) {
+				fprintf(fh, "{");
+			}
+			if ( bl->contents != NULL ) {
+				fprintf(fh, "%s", bl->contents);
+			}
+
+		}
+
+		if ( bl->child != NULL ) {
+			save_sc_block(fh, bl->child);
+		}
+
+		if ( (bl->name != NULL) &&
+		     ((bl->contents != NULL) || (bl->child != NULL)) ) {
+			fprintf(fh, "}");
+		}
+
+		bl = bl->next;
+	}
+}
+
+
 static void recursive_show_sc_blocks(const char *prefix, const SCBlock *bl)
 {
 	while ( bl != NULL ) {
diff --git a/src/sc_parse.h b/src/sc_parse.h
index b774c26..44301df 100644
--- a/src/sc_parse.h
+++ b/src/sc_parse.h
@@ -27,6 +27,8 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+
 typedef struct _scblock SCBlock;
 
 extern SCBlock *sc_parse(const char *sc);
@@ -48,4 +50,6 @@ extern void sc_delete_text(SCBlock *b1, int o1, SCBlock *b2, int o2);
 extern void show_sc_blocks(const SCBlock *bl);
 extern void show_sc_block(const SCBlock *bl, const char *prefix);
 
+extern void save_sc_block(FILE *fh, const SCBlock *bl);
+
 #endif	/* SC_PARSE_H */
-- 
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