Add API for getting style tree

2 files changed, 20 insertions, 0 deletions

diff --git a/libstorycode/stylesheet.c b/libstorycode/stylesheet.c
index f3fd7e6..f625b19 100644
--- a/libstorycode/stylesheet.c
+++ b/libstorycode/stylesheet.c
@@ -543,3 +543,20 @@ char *stylesheet_serialise(Stylesheet *s)
 
 	return text;
 }
+
+
+int stylesheet_get_num_substyles(Stylesheet *s, const char *stn)
+{
+	struct style *sty = lookup_style(&s->top, stn);
+	if ( sty == NULL ) return 0;
+	return sty->n_substyles;
+}
+
+
+const char *stylesheet_get_substyle_name(Stylesheet *s, const char *stn, int i)
+{
+	struct style *sty = lookup_style(&s->top, stn);
+	if ( sty == NULL ) return NULL;
+	if ( i >= sty->n_substyles ) return NULL;
+	return sty->substyles[i].name;
+}
diff --git a/libstorycode/stylesheet.h b/libstorycode/stylesheet.h
index cd23c66..f814e01 100644
--- a/libstorycode/stylesheet.h
+++ b/libstorycode/stylesheet.h
@@ -104,6 +104,9 @@ extern int stylesheet_get_padding(Stylesheet *s, const char *stn,
 extern int stylesheet_get_paraspace(Stylesheet *s, const char *stn,
                                     struct length paraspace[4]);
 
+extern int stylesheet_get_num_substyles(Stylesheet *s, const char *stn);
+extern const char *stylesheet_get_substyle_name(Stylesheet *s, const char *stn, int i);
+
 extern char *stylesheet_serialise(Stylesheet *s);
 
 #endif /* STYLESHEET_H */