[valadoc] Add a modified libgvc-vapi

[Florian Brosch <flobrosch src gnome org>]

commit 0dcad4e7364c1f7c892ed0c0073a66aefa325b42
Author: Richard Schwarting <aquarichy gmail com>
Date:   Tue Sep 17 00:10:54 2013 +0200

    Add a modified libgvc-vapi
    
    Contains the new CGraph API

 src/vapi/libgvc.vapi |  234 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 234 insertions(+), 0 deletions(-)
---
diff --git a/src/vapi/libgvc.vapi b/src/vapi/libgvc.vapi
new file mode 100644
index 0000000..b667c00
--- /dev/null
+++ b/src/vapi/libgvc.vapi
@@ -0,0 +1,234 @@
+/*
+ * libgvc.vapi
+ *
+ * Copyright (C) 2009  Martin Olsson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *      Martin Olsson <martin minimum se>
+ */
+
+[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename = "graphviz/gvc.h")]
+namespace Gvc {
+
+       [CCode (cname = "aginitlib", cheader_filename="gvc.h")]
+       public void initlib ( size_t graphinfo, size_t nodeinfo, size_t  edgeinfo);
+
+       [CCode (cname = "aginit")]
+#if WITH_CGRAPH
+       public void init (Graph g, int kind, string rec_name, bool move_to_front);
+#else
+       public void init ();
+#endif
+
+
+#if WITH_CGRAPH
+       [SimpleType]
+       [CCode (cname = "Agdesc_t")]
+       public struct Desc {
+       }
+
+       public Desc Agdirected; // Desc.DIRECTED | Desc.MAINGRAPH;
+       public Desc Agstrictdirected; //  Desc.DIRECTED | Desc.STRICT | Desc.MAINGRAPH;
+       public Desc Agundirected; // Desc.MAINGRAPH;
+       public Desc Agstrictundirected; // Desc.STRICT | Desc.MAINGRAPH;
+#else
+       [CCode (cprefix = "")]
+       public enum GraphKind {
+               AGRAPH,
+               AGRAPHSTRICT,
+               AGDIGRAPH,
+               AGDIGRAPHSTRICT,
+               AGMETAGRAPH,
+       }
+#endif
+
+       [CCode (cname = "agerrlevel_t", cheader_filename = "gvc.h", cprefix = "")]
+       public enum ErrorLevel {
+               AGWARN,
+               AGERR,
+               AGMAX,
+               AGPREV
+       }
+
+       [Compact]
+       [CCode (cname = "GVC_t", free_function = "gvFreeContext")]
+       public class Context {
+               [CCode (cname = "gvContext")]
+               public Context ();
+
+               [CCode (cname = "gvParseArgs")]
+               public int parse_args ( [CCode (array_length_pos = 0.9)] string[] argv );
+
+               [CCode (cname = "gvLayout")]
+               public int layout (Graph graph, [CCode (type = "char*")] string layout_engine);
+
+               [CCode (cname = "gvFreeLayout")]
+               public int free_layout (Graph graph);
+
+               [CCode (cname = "gvRender")]
+               public int render (Graph graph, [CCode (type = "char*")] string file_type, GLib.FileStream? 
file);
+
+               [CCode (cname = "gvRenderFilename")]
+               public int render_filename (Graph graph, [CCode (type = "char*")] string file_type, [CCode 
(type = "char*")] string filename);
+
+               [CCode (cname = "gvLayoutJobs")]
+               public int layout_jobs (Graph graph);
+
+               [CCode (cname = "gvRenderJobs")]
+               public int render_jobs (Graph graph);
+
+               [CCode (cname = "gvRenderData")]
+               public int render_data (Graph graph, [CCode (type = "char*")] string file_type, [CCode (type 
= "char**")] out uint8[] output_data);
+       }
+
+       [Compact]
+       [CCode (cname = "Agnode_t", ref_function = "", unref_function = "", free_function = "")]
+       public class Node {
+               [CCode (cname = "name")]
+               public string name;
+
+               [CCode (cname = "agget")]
+               public unowned string? get ([CCode (type = "char*")] string attribute_name);
+
+               [CCode (cname = "agset")]
+               public void set ([CCode (type = "char*")] string attribute_name, [CCode (type = "char*")] 
string attribute_value);
+
+               [CCode (cname = "agsafeset")]
+               public void safe_set ([CCode (type = "char*")] string attribute_name, [CCode (type = 
"char*")] string attribute_value, [CCode (type = "char*")] string? default_value);
+       }
+
+       [Compact]
+       [CCode (cname = "Agedge_t", ref_function = "", unref_function = "", free_function = "")]
+       public class Edge {
+               [CCode (cname = "agget")]
+               public unowned string? get ([CCode (type = "char*")] string attribute_name);
+
+               [CCode (cname = "agset")]
+               public int set ([CCode (type = "char*")] string attribute_name, [CCode (type = "char*")] 
string attribute_value);
+
+               [CCode (cname = "agsafeset")]
+               public int safe_set ([CCode (type = "char*")] string attribute_name, [CCode (type = "char*")] 
string attribute_value, [CCode (type = "char*")] string? default_value);
+       }
+
+       [Compact]
+       [CCode (cname = "Agraph_t", free_function = "agclose")]
+       public class Graph {
+               [CCode (cname = "agopen")]
+#if WITH_CGRAPH
+               public Graph ([CCode (type = "char*")] string graph_name, Desc desc, int disc = 0);
+#else
+               public Graph ([CCode (type = "char*")] string graph_name, GraphKind kind);
+#endif
+
+               [CCode (cname = "agread")]
+               public static Graph read (GLib.FileStream file);
+
+               [CCode (cname = "agmemread")]
+               public static Graph read_string (string str);
+
+               [CCode (cname = "agnode")]
+#if WITH_CGRAPH
+               public Node create_node ([CCode (type = "char*")] string node_name, int createflag = 1);
+#else
+               public Node create_node ([CCode (type = "char*")] string node_name);
+#endif
+
+               [CCode (cname = "agedge")]
+#if WITH_CGRAPH
+               public Edge create_edge (Node from, Node to, string? name = null, int createflag = 1);
+#else
+               public Edge create_edge (Node from, Node to);
+#endif
+
+               [CCode (cname = "agsubg")]
+               public unowned Graph create_subgraph ([CCode (type = "char*")] string? name);
+
+               [CCode (cname = "agfindsubg")]
+               public Graph find_subgraph ([CCode (type = "char*")] string name);
+
+               [CCode (cname = "agidsubg")]
+               public Graph create_subgraph_id (ulong id);
+
+               [CCode (cname = "agfstsubg")]
+               public Graph get_first_subgraph ();
+
+               [CCode (cname = "agnxtsubg")]
+               public Graph get_next_subgraph ();
+
+               [CCode (cname = "agparent")]
+               public Graph get_parent_graph ();
+
+               [CCode (cname = "agdelsubg")]
+               public int delete_subgraph (Graph subgraph);
+
+               [CCode (cname = "agfindnode")]
+               public Node? find_node ([CCode (type = "char*")] string node_name);
+
+               [CCode (cname = "agfstnode")]
+               public Node? get_first_node ();
+
+               [CCode (cname = "agnxtnode")]
+               public Node? get_next_node (Node node);
+
+               [CCode (cname = "agget")]
+               public unowned string? get ([CCode (type = "char*")] string attribute_name);
+
+               [CCode (cname = "agset")]
+               public int set ([CCode (type = "char*")] string attribute_name, [CCode (type = "char*")] 
string attribute_value);
+
+               [CCode (cname = "agsafeset")]
+               public int safe_set ([CCode (type = "char*")] string attribute_name, [CCode (type = "char*")] 
string attribute_value, [CCode (type = "char*")] string? default_value);
+
+               [CCode (cname = "AG_IS_DIRECTED")]
+               public bool is_directed ();
+
+               [CCode (cname = "AG_IS_STRICT")]
+               public bool is_strict ();
+
+       }
+
+       [CCode (cname = "char", copy_function = "agdupstr_html", free_function = "agstrfree")]
+       public class HtmlString : string {
+               [CCode (cname = "agstrdup_html")]
+               public HtmlString (string markup);
+       }
+
+       [CCode(cprefix = "ag")]
+       namespace Error {
+               [CCode (cname = "agerrno")]
+               public static ErrorLevel errno;
+
+               [CCode (cname = "agerr")]
+               public static int error (ErrorLevel level, string fmt, ...);
+
+               [CCode (cname = "agerrors")]
+               public static int errors ();
+
+               [CCode (cname = "agseterr")]
+               public static void set_error (ErrorLevel err);
+
+               [CCode (cname = "aglasterr")]
+               public static string? last_error ();
+
+               [CCode (cname = "agerrorf")]
+               public static void errorf (string format, ...);
+
+               [CCode (cname = "agwarningf")]
+               void warningf (string fmt, ...);
+       }
+
+}