From c564145e6f9aebabb5dfe0896e36d2bb6bc8b6b9 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 4 Feb 2018 18:35:41 +0100
Subject: Make nodes opaque

---
 serd/serd.h | 58 ++++++++++++++++++++++------------------------------------
 1 file changed, 22 insertions(+), 36 deletions(-)

(limited to 'serd/serd.h')

diff --git a/serd/serd.h b/serd/serd.h
index 1d217a3c..63a17be9 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -214,12 +214,7 @@ typedef uint32_t SerdNodeFlags;
 /**
    A syntactic RDF node.
 */
-typedef struct {
-	const char*    buf;      /**< Value string */
-	size_t         n_bytes;  /**< Size in bytes (not including null) */
-	SerdNodeFlags  flags;    /**< Node flags (e.g. string properties) */
-	SerdType       type;     /**< Node type */
-} SerdNode;
+typedef struct SerdNodeImpl SerdNode;
 
 /**
    An unterminated immutable slice of a string.
@@ -445,34 +440,25 @@ serd_uri_serialise_relative(const SerdURI* uri,
    @{
 */
 
-static const SerdNode SERD_NODE_NULL = { NULL, 0, 0, SERD_NOTHING };
-
 /**
-   Make a (shallow) node from `str`.
-
-   This measures, but does not copy, `str`.  No memory is allocated.
+   Create a new node from `str`.
 */
 SERD_API
-SerdNode
-serd_node_from_string(SerdType type, const char* str);
+SerdNode*
+serd_node_new_string(SerdType type, const char* str);
 
 /**
-   Make a (shallow) node from a prefix of `str`.
-
-   This measures, but does not copy, `str`.  No memory is allocated.
-   Note that the returned node may not be null terminated.
+   Create a new node from a prefix of `str`.
 */
 SERD_API
-SerdNode
-serd_node_from_substring(SerdType type, const char* str, size_t len);
+SerdNode*
+serd_node_new_substring(SerdType type, const char* str, size_t len);
 
 /**
-   Make a deep copy of `node`.
-
-   @return a node that the caller must free with serd_node_free().
+   Return a deep copy of `node`.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_copy(const SerdNode* node);
 
 /**
@@ -486,7 +472,7 @@ serd_node_equals(const SerdNode* a, const SerdNode* b);
    Simple wrapper for serd_node_new_uri() to resolve a URI node.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_uri_from_node(const SerdNode* uri_node,
                             const SerdURI*  base,
                             SerdURI*        out);
@@ -495,7 +481,7 @@ serd_node_new_uri_from_node(const SerdNode* uri_node,
    Simple wrapper for serd_node_new_uri() to resolve a URI string.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_uri_from_string(const char*    str,
                               const SerdURI* base,
                               SerdURI*       out);
@@ -511,7 +497,7 @@ serd_node_new_uri_from_string(const char*    str,
    If `out` is not NULL, it will be set to the parsed URI.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_file_uri(const char* path,
                        const char* hostname,
                        SerdURI*    out,
@@ -528,7 +514,7 @@ serd_node_new_file_uri(const char* path,
    memory owned by the new returned node).
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_uri(const SerdURI* uri, const SerdURI* base, SerdURI* out);
 
 /**
@@ -544,7 +530,7 @@ serd_node_new_uri(const SerdURI* uri, const SerdURI* base, SerdURI* out);
    memory owned by the new returned node).
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_relative_uri(const SerdURI* uri,
                            const SerdURI* base,
                            const SerdURI* root,
@@ -566,14 +552,14 @@ serd_node_new_relative_uri(const SerdURI* uri,
    @param frac_digits The maximum number of digits after the decimal place.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_decimal(double d, unsigned frac_digits);
 
 /**
    Create a new node by serialising `i` into an xsd:integer string.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_integer(int64_t i);
 
 /**
@@ -586,7 +572,7 @@ serd_node_new_integer(int64_t i);
    @param wrap_lines Wrap lines at 76 characters to conform to RFC 2045.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_node_new_blob(const void* buf, size_t size, bool wrap_lines);
 
 /**
@@ -742,10 +728,10 @@ serd_env_set_prefix_from_strings(SerdEnv*    env,
 */
 SERD_API
 bool
-serd_env_qualify(const SerdEnv*  env,
-                 const SerdNode* uri,
-                 SerdNode*       prefix,
-                 SerdSlice*      suffix);
+serd_env_qualify(const SerdEnv*   env,
+                 const SerdNode*  uri,
+                 const SerdNode** prefix,
+                 SerdSlice*       suffix);
 
 /**
    Expand `curie`.
@@ -766,7 +752,7 @@ serd_env_expand(const SerdEnv*  env,
    Returns null if `node` can not be expanded.
 */
 SERD_API
-SerdNode
+SerdNode*
 serd_env_expand_node(const SerdEnv*  env,
                      const SerdNode* node);
 
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