Add methods to Graph to create from tikz

These are just convenience wrappers for TikzGraphAssembler.  As a
result, non of the GTK code uses TikzGraphAssembler directly.

1 files changed, 35 insertions, 0 deletions

diff --git a/tikzit/src/common/Graph.h b/tikzit/src/common/Graph.h
index f5d8bed..1f98858 100644
--- a/tikzit/src/common/Graph.h
+++ b/tikzit/src/common/Graph.h
@@ -361,6 +361,41 @@
  */
 + (Graph*)graph;
 
+/**
+ * Initialize an empty graph
+ */
+- (id)init;
+
+/**
+ * Constructs a graph from the given tikz code
+ *
+ * See TikzGraphAssembler for more information about the error argument.
+ */
++ (Graph*)graphFromTikz:(NSString*)tikz error:(NSError**)e;
+
+/**
+ * Constructs a graph from the given tikz code
+ */
++ (Graph*)graphFromTikz:(NSString*)tikz;
+
+/**
+ * Initialize an empty graph from the given tikz code
+ *
+ * Note that this may not return the same object it was called on,
+ * and will return nil if parsing failed.
+ *
+ * See TikzGraphAssembler for more information about the error argument.
+ */
+- (id)initFromTikz:(NSString*)tikz error:(NSError**)e;
+
+/**
+ * Initialize an empty graph from the given tikz code
+ *
+ * Note that this may not return the same object it was called on,
+ * and will return nil if parsing failed.
+ */
+- (id)initFromTikz:(NSString*)tikz;
+
 @end
 
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