aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDavid Robillard <d@drobilla.net>2011-01-22 18:32:18 +0000
committerDavid Robillard <d@drobilla.net>2011-01-22 18:32:18 +0000
commit752051a76a46c5d3c19c65ac8a8f24019a81df35 (patch)
treedd6266c7d1e3b10f125332a065ca131ea937e6dc
parentaf3398a40718821c03817df32f712cdb2814b077 (diff)
downloadserd-752051a76a46c5d3c19c65ac8a8f24019a81df35.tar.gz
serd-752051a76a46c5d3c19c65ac8a8f24019a81df35.tar.bz2
serd-752051a76a46c5d3c19c65ac8a8f24019a81df35.zip
SerdNamespaces => SerdEnv.
git-svn-id: http://svn.drobilla.net/serd/trunk@36 490d8e77-9747-427b-9fa3-0b8f29cee8a0
-rw-r--r--serd/serd.h51
-rw-r--r--src/env.c114
-rw-r--r--src/namespaces.c115
-rw-r--r--src/serdi.c20
-rw-r--r--src/writer.c13
-rw-r--r--wscript2
6 files changed, 156 insertions, 159 deletions
diff --git a/serd/serd.h b/serd/serd.h
index 03ada7a8..295baee0 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -49,13 +49,13 @@ extern "C" {
#endif
/** @defgroup serd Serd
- * @brief A lightweight RDF Serialisation Library.
+ * A lightweight RDF serialisation library.
* @{
*/
-typedef struct SerdNamespacesImpl* SerdNamespaces; ///< Set of namespaces
-typedef struct SerdReaderImpl* SerdReader; ///< RDF reader
-typedef struct SerdWriterImpl* SerdWriter; ///< RDF writer
+typedef struct SerdEnvImpl* SerdEnv; /**< Namespace prefixes. */
+typedef struct SerdReaderImpl* SerdReader; /**< RDF reader. */
+typedef struct SerdWriterImpl* SerdWriter; /**< RDF writer. */
/** RDF syntax */
typedef enum {
@@ -71,12 +71,12 @@ typedef enum {
LITERAL = 4 ///< Literal string (with optional lang or datatype)
} SerdNodeType;
-/** @name URI
- * Support for parsing and resolving URIs.
+/** @name SerdURI
+ * A parsed URI.
* @{
*/
-/** A chunk of memory (non-terminated string). */
+/** A chunk of memory (unterminated string). */
typedef struct {
const uint8_t* buf; ///< Start of chunk
size_t len; ///< Length of chunk in bytes
@@ -127,7 +127,7 @@ size_t
serd_uri_serialise(const SerdURI* uri, SerdSink sink, void* stream);
/** @} */
-/** @name String
+/** @name SerdString
* @brief A measured UTF-8 string.
* @{
*/
@@ -159,40 +159,41 @@ SERD_API
SerdString*
serd_string_new_from_uri(const SerdURI* uri,
SerdURI* out);
+
/** @} */
-/** @name Namespaces
- * @brief A dictionary of namespaces (names associated with URI strings)
+/** @name SerdEnv
+ * @brief An environment (a prefix => URI dictionary).
* @{
*/
-/** Create a new namespaces dictionary. */
+/** Create a new environment. */
SERD_API
-SerdNamespaces
-serd_namespaces_new();
+SerdEnv
+serd_env_new();
/** Free @a ns. */
SERD_API
void
-serd_namespaces_free(SerdNamespaces ns);
+serd_env_free(SerdEnv env);
/** Add namespace @a uri to @a ns using prefix @a name. */
SERD_API
void
-serd_namespaces_add(SerdNamespaces ns,
- const SerdString* name,
- const SerdString* uri);
+serd_env_add(SerdEnv env,
+ const SerdString* name,
+ const SerdString* uri);
/** Expand @a qname. */
SERD_API
bool
-serd_namespaces_expand(const SerdNamespaces ns,
- const SerdString* qname,
- SerdChunk* uri_prefix,
- SerdChunk* uri_suffix);
+serd_env_expand(const SerdEnv env,
+ const SerdString* qname,
+ SerdChunk* uri_prefix,
+ SerdChunk* uri_suffix);
/** @} */
-/** @name Reader
- * @brief Reader for RDF syntax.
+/** @name SerdReader
+ * @brief Reader of RDF syntax.
* @{
*/
@@ -239,7 +240,7 @@ void
serd_reader_free(SerdReader reader);
/** @} */
-/** @name Writer
+/** @name SerdWriter
* @brief Writer of RDF syntax.
* @{
*/
@@ -255,7 +256,7 @@ SERD_API
SerdWriter
serd_writer_new(SerdSyntax syntax,
SerdStyle style,
- SerdNamespaces ns,
+ SerdEnv env,
const SerdURI* base_uri,
SerdSink sink,
void* stream);
diff --git a/src/env.c b/src/env.c
new file mode 100644
index 00000000..9d8b6235
--- /dev/null
+++ b/src/env.c
@@ -0,0 +1,114 @@
+/* Serd, an RDF serialisation library.
+ * Copyright 2011 David Robillard <d@drobilla.net>
+ *
+ * Serd 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Serd 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 details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "serd/serd.h"
+
+typedef struct {
+ SerdString* name;
+ SerdString* uri;
+} SerdPrefix;
+
+struct SerdEnvImpl {
+ SerdPrefix* prefixes;
+ size_t n_prefixes;
+};
+
+SERD_API
+SerdEnv
+serd_env_new()
+{
+ SerdEnv env = malloc(sizeof(struct SerdEnvImpl));
+ env->prefixes = NULL;
+ env->n_prefixes = 0;
+ return env;
+}
+
+SERD_API
+void
+serd_env_free(SerdEnv env)
+{
+ for (size_t i = 0; i < env->n_prefixes; ++i) {
+ serd_string_free(env->prefixes[i].name);
+ serd_string_free(env->prefixes[i].uri);
+ }
+ free(env->prefixes);
+ free(env);
+}
+
+static inline SerdPrefix*
+serd_env_find(SerdEnv env,
+ const uint8_t* name,
+ size_t name_len)
+{
+ for (size_t i = 0; i < env->n_prefixes; ++i) {
+ const SerdString* prefix_name = env->prefixes[i].name;
+ if (prefix_name->n_bytes == name_len + 1) {
+ if (!memcmp(prefix_name->buf, name, name_len)) {
+ return &env->prefixes[i];
+ }
+ }
+ }
+ return NULL;
+}
+
+SERD_API
+void
+serd_env_add(SerdEnv env,
+ const SerdString* name,
+ const SerdString* uri)
+{
+ assert(name && uri);
+ SerdPrefix* const prefix = serd_env_find(env, name->buf, name->n_chars);
+ if (prefix) {
+ serd_string_free(prefix->uri);
+ prefix->uri = serd_string_copy(uri);
+ } else {
+ env->prefixes = realloc(env->prefixes,
+ (++env->n_prefixes) * sizeof(SerdPrefix));
+ env->prefixes[env->n_prefixes - 1].name = serd_string_copy(name);
+ env->prefixes[env->n_prefixes - 1].uri = serd_string_copy(uri);
+ }
+}
+
+SERD_API
+bool
+serd_env_expand(const SerdEnv env,
+ const SerdString* qname,
+ SerdChunk* uri_prefix,
+ SerdChunk* uri_suffix)
+{
+ const uint8_t* const colon = memchr(qname->buf, ':', qname->n_bytes);
+ if (!colon) {
+ return false; // Illegal qname
+ }
+
+ const size_t name_len = colon - qname->buf;
+ const SerdPrefix* const prefix = serd_env_find(env, qname->buf, name_len);
+ if (prefix) {
+ uri_prefix->buf = prefix->uri->buf;
+ uri_prefix->len = prefix->uri->n_bytes - 1;
+ uri_suffix->buf = colon + 1;
+ uri_suffix->len = qname->n_bytes - (colon - qname->buf) - 2;
+ return true;
+ }
+ return false;
+}
diff --git a/src/namespaces.c b/src/namespaces.c
deleted file mode 100644
index 409c92b9..00000000
--- a/src/namespaces.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/* Serd, an RDF serialisation library.
- * Copyright 2011 David Robillard <d@drobilla.net>
- *
- * Serd 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 3 of the License, or
- * (at your option) any later version.
- *
- * Serd 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 details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <assert.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "serd/serd.h"
-
-typedef struct {
- SerdString* name;
- SerdString* uri;
-} SerdNamespace;
-
-struct SerdNamespacesImpl {
- SerdNamespace* namespaces;
- size_t n_namespaces;
-};
-
-SERD_API
-SerdNamespaces
-serd_namespaces_new()
-{
- SerdNamespaces ns = malloc(sizeof(struct SerdNamespacesImpl));
- ns->namespaces = NULL;
- ns->n_namespaces = 0;
- return ns;
-}
-
-SERD_API
-void
-serd_namespaces_free(SerdNamespaces ns)
-{
- for (size_t i = 0; i < ns->n_namespaces; ++i) {
- serd_string_free(ns->namespaces[i].name);
- serd_string_free(ns->namespaces[i].uri);
- }
- free(ns->namespaces);
- free(ns);
-}
-
-static inline SerdNamespace*
-serd_namespaces_find(SerdNamespaces ns,
- const uint8_t* name,
- size_t name_len)
-{
- for (size_t i = 0; i < ns->n_namespaces; ++i) {
- const SerdString* ns_name = ns->namespaces[i].name;
- if (ns_name->n_bytes == name_len + 1) {
- if (!memcmp(ns_name->buf, name, name_len)) {
- return &ns->namespaces[i];
- }
- }
- }
- return NULL;
-}
-
-SERD_API
-void
-serd_namespaces_add(SerdNamespaces ns,
- const SerdString* name,
- const SerdString* uri)
-{
- assert(name);
- assert(uri);
- SerdNamespace* const record = serd_namespaces_find(ns, name->buf, name->n_chars);
- if (record) {
- serd_string_free(record->uri);
- record->uri = serd_string_copy(uri);
- } else {
- ++ns->n_namespaces;
- ns->namespaces = realloc(ns->namespaces,
- ns->n_namespaces * sizeof(SerdNamespace));
- ns->namespaces[ns->n_namespaces - 1].name = serd_string_copy(name);
- ns->namespaces[ns->n_namespaces - 1].uri = serd_string_copy(uri);
- }
-}
-
-SERD_API
-bool
-serd_namespaces_expand(const SerdNamespaces ns,
- const SerdString* qname,
- SerdChunk* uri_prefix,
- SerdChunk* uri_suffix)
-{
- const uint8_t* colon = memchr((const char*)qname->buf, ':', qname->n_bytes);
- if (!colon) {
- return false; // Illegal qname
- }
-
- SerdNamespace* const record = serd_namespaces_find(ns, qname->buf, colon - qname->buf);
- if (record) {
- uri_prefix->buf = record->uri->buf;
- uri_prefix->len = record->uri->n_bytes - 1;
- uri_suffix->buf = colon + 1;
- uri_suffix->len = qname->n_bytes - (colon - qname->buf) - 2;
- return true;
- }
- return false;
-}
diff --git a/src/serdi.c b/src/serdi.c
index 00e687de..73653792 100644
--- a/src/serdi.c
+++ b/src/serdi.c
@@ -22,10 +22,10 @@
#include "serd/serd.h"
typedef struct {
- SerdWriter writer;
- SerdNamespaces ns;
- SerdString* base_uri_str;
- SerdURI base_uri;
+ SerdWriter writer;
+ SerdEnv env;
+ SerdString* base_uri_str;
+ SerdURI base_uri;
} State;
static bool
@@ -84,10 +84,10 @@ event_prefix(void* handle,
}
SerdURI new_abs_uri;
SerdString* abs_uri_string = serd_string_new_from_uri(&abs_uri, &new_abs_uri);
- serd_namespaces_add(state->ns, name, abs_uri_string);
+ serd_env_add(state->env, name, abs_uri_string);
serd_string_free(abs_uri_string);
} else {
- serd_namespaces_add(state->ns, name, uri_string);
+ serd_env_add(state->env, name, uri_string);
}
serd_writer_set_prefix(state->writer, name, uri_string);
@@ -205,7 +205,7 @@ main(int argc, char** argv)
return 1;
}
- SerdNamespaces ns = serd_namespaces_new();
+ SerdEnv env = serd_env_new();
SerdStyle output_style = (output_syntax == SERD_NTRIPLES)
? SERD_STYLE_ASCII
@@ -213,8 +213,8 @@ main(int argc, char** argv)
State state = {
serd_writer_new(output_syntax, output_style,
- ns, &base_uri, file_sink, out_fd),
- ns, base_uri_str, base_uri
+ env, &base_uri, file_sink, out_fd),
+ env, base_uri_str, base_uri
};
SerdReader reader = serd_reader_new(
@@ -227,7 +227,7 @@ main(int argc, char** argv)
serd_writer_finish(state.writer);
serd_writer_free(state.writer);
- serd_namespaces_free(state.ns);
+ serd_env_free(state.env);
serd_string_free(state.base_uri_str);
if (success) {
diff --git a/src/writer.c b/src/writer.c
index 7c31106b..1e50b7b0 100644
--- a/src/writer.c
+++ b/src/writer.c
@@ -41,7 +41,7 @@ typedef bool (*NodeWriter)(SerdWriter writer,
struct SerdWriterImpl {
SerdSyntax syntax;
SerdStyle style;
- SerdNamespaces ns;
+ SerdEnv env;
SerdURI base_uri;
SerdSink sink;
void* stream;
@@ -154,9 +154,6 @@ write_node(SerdWriter writer,
const SerdString* datatype,
const SerdString* lang)
{
- const SerdURI* base_uri = &writer->base_uri;
- SerdNamespaces ns = writer->ns;
-
SerdChunk uri_prefix;
SerdChunk uri_suffix;
switch (type) {
@@ -167,7 +164,7 @@ write_node(SerdWriter writer,
case QNAME:
switch (writer->syntax) {
case SERD_NTRIPLES:
- if (!serd_namespaces_expand(ns, str, &uri_prefix, &uri_suffix)) {
+ if (!serd_env_expand(writer->env, str, &uri_prefix, &uri_suffix)) {
fprintf(stderr, "error: undefined namespace prefix `%s'\n", str->buf);
return false;
}
@@ -185,7 +182,7 @@ write_node(SerdWriter writer,
SerdURI uri;
if (serd_uri_parse(str->buf, &uri)) {
SerdURI abs_uri;
- if (serd_uri_resolve(&uri, base_uri, &abs_uri)) {
+ if (serd_uri_resolve(&uri, &writer->base_uri, &abs_uri)) {
writer->sink("<", 1, writer->stream);
serd_uri_serialise(&abs_uri, writer->sink, writer->stream);
writer->sink(">", 1, writer->stream);
@@ -336,7 +333,7 @@ SERD_API
SerdWriter
serd_writer_new(SerdSyntax syntax,
SerdStyle style,
- SerdNamespaces ns,
+ SerdEnv env,
const SerdURI* base_uri,
SerdSink sink,
void* stream)
@@ -344,7 +341,7 @@ serd_writer_new(SerdSyntax syntax,
SerdWriter writer = malloc(sizeof(struct SerdWriterImpl));
writer->syntax = syntax;
writer->style = style;
- writer->ns = ns;
+ writer->env = env;
writer->base_uri = *base_uri;
writer->sink = sink;
writer->stream = stream;
diff --git a/wscript b/wscript
index e76c88a6..3fe80ddc 100644
--- a/wscript
+++ b/wscript
@@ -55,7 +55,7 @@ def build(bld):
autowaf.build_pc(bld, 'SERD', SERD_VERSION, ['REDLAND'])
lib_source = '''
- src/namespaces.c
+ src/env.c
src/reader.c
src/string.c
src/uri.c