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-rw-r--r--NEWS3
-rw-r--r--src/uri.c14
-rw-r--r--src/uri_utils.h54
-rw-r--r--test/pretty/manifest.ttl7
-rw-r--r--test/pretty/relative-uris.ttl2
-rw-r--r--test/root/root-inside-base-out.ttl4
-rw-r--r--test/root/root-outside-base-out.ttl4
-rw-r--r--test/test_uri.c13
8 files changed, 58 insertions, 43 deletions
diff --git a/NEWS b/NEWS
index 0c1ca82e..9b654a35 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,7 @@ serd (0.31.0) unstable; urgency=medium
* Fix incorrect parsing of strange quote escape patterns
* Fix possible hang when writing nested Turtle lists
* Fix potential memory leaks when a write is aborted
+ * Fix relative URI creation
* Gracefully handle bad characters in Turtle blank node syntax
* Gracefully handle bad characters in Turtle datatype syntax
* Improve TriG pretty-printing and remove trailing newlines
@@ -20,7 +21,7 @@ serd (0.31.0) unstable; urgency=medium
* Replace duplicated dox_to_sphinx script with sphinxygen dependency
* Test header for warnings more strictly
- -- David Robillard <d@drobilla.net> Sun, 26 Mar 2023 23:59:39 +0000
+ -- David Robillard <d@drobilla.net> Wed, 29 Mar 2023 23:55:55 +0000
serd (0.30.16) stable; urgency=medium
diff --git a/src/uri.c b/src/uri.c
index 8acb79b3..dcdd8083 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -1,4 +1,4 @@
-// Copyright 2011-2020 David Robillard <d@drobilla.net>
+// Copyright 2011-2023 David Robillard <d@drobilla.net>
// SPDX-License-Identifier: ISC
#include "string_utils.h"
@@ -428,10 +428,6 @@ write_rel_path(SerdSink sink,
len += sink("../", 3, stream);
}
- if (last_shared_sep == 0 && up == 0) {
- len += sink("/", 1, stream);
- }
-
// Write suffix
return len + write_path_tail(sink, stream, uri, last_shared_sep + 1);
}
@@ -468,8 +464,12 @@ serd_uri_serialise_relative(const SerdURI* const uri,
if (uri->authority.buf) {
len += sink("//", 2, stream);
len += sink(uri->authority.buf, uri->authority.len, stream);
- if (uri->authority.len > 0 &&
- uri->authority.buf[uri->authority.len - 1] != '/' &&
+
+ const bool authority_ends_with_slash =
+ (uri->authority.len > 0 &&
+ uri->authority.buf[uri->authority.len - 1] == '/');
+
+ if (!authority_ends_with_slash &&
serd_uri_path_starts_without_slash(uri)) {
// Special case: ensure path begins with a slash
// https://tools.ietf.org/html/rfc3986#section-3.2
diff --git a/src/uri_utils.h b/src/uri_utils.h
index 16819191..e2f30edb 100644
--- a/src/uri_utils.h
+++ b/src/uri_utils.h
@@ -12,6 +12,11 @@
#include <stdint.h>
#include <string.h>
+typedef struct {
+ size_t shared;
+ size_t root;
+} SlashIndexes;
+
static inline bool
chunk_equals(const SerdChunk* a, const SerdChunk* b)
{
@@ -33,51 +38,64 @@ uri_path_at(const SerdURI* uri, size_t i)
}
/**
- Return the index of the first differing character after the last root slash,
- or zero if `uri` is not under `root`.
+ Return the index of the last slash shared with the root, or `SIZE_MAX`.
+
+ The index of the next slash found in the root is also returned, so the two
+ can be compared to determine if the URI is within the root (if the shared
+ slash is the last in the root, then the URI is a child of the root,
+ otherwise it may merely share some leading path components).
*/
-static inline SERD_PURE_FUNC size_t
+static inline SERD_PURE_FUNC SlashIndexes
uri_rooted_index(const SerdURI* uri, const SerdURI* root)
{
+ SlashIndexes indexes = {SIZE_MAX, SIZE_MAX};
+
if (!root || !root->scheme.len ||
!chunk_equals(&root->scheme, &uri->scheme) ||
!chunk_equals(&root->authority, &uri->authority)) {
- return 0;
+ return indexes;
}
- bool differ = false;
- const size_t path_len = uri_path_len(uri);
- const size_t root_len = uri_path_len(root);
- size_t last_root_slash = 0;
- for (size_t i = 0; i < path_len && i < root_len; ++i) {
+ const size_t path_len = uri_path_len(uri);
+ const size_t root_len = uri_path_len(root);
+ const size_t min_len = path_len < root_len ? path_len : root_len;
+ for (size_t i = 0; i < min_len; ++i) {
const uint8_t u = uri_path_at(uri, i);
const uint8_t r = uri_path_at(root, i);
- differ = differ || u != r;
- if (r == '/') {
- last_root_slash = i;
- if (differ) {
- return 0;
+ if (u == r) {
+ if (u == '/') {
+ indexes.root = indexes.shared = i;
}
+ } else {
+ for (size_t j = i; j < root_len; ++j) {
+ if (uri_path_at(root, j) == '/') {
+ indexes.root = j;
+ break;
+ }
+ }
+
+ return indexes;
}
}
- return last_root_slash + 1;
+ return indexes;
}
/** Return true iff `uri` shares path components with `root` */
static inline SERD_PURE_FUNC bool
uri_is_related(const SerdURI* uri, const SerdURI* root)
{
- return uri_rooted_index(uri, root) > 0;
+ return uri_rooted_index(uri, root).shared != SIZE_MAX;
}
/** Return true iff `uri` is within the base of `root` */
static inline SERD_PURE_FUNC bool
uri_is_under(const SerdURI* uri, const SerdURI* root)
{
- const size_t index = uri_rooted_index(uri, root);
- return index > 0 && uri->path.len > index;
+ const SlashIndexes indexes = uri_rooted_index(uri, root);
+ return indexes.shared && indexes.shared != SIZE_MAX &&
+ indexes.shared == indexes.root;
}
static inline bool
diff --git a/test/pretty/manifest.ttl b/test/pretty/manifest.ttl
index 1f653d65..69b951af 100644
--- a/test/pretty/manifest.ttl
+++ b/test/pretty/manifest.ttl
@@ -32,6 +32,7 @@
<#many-objects>
<#named-graph>
<#nested-list-object>
+ <#relative-uris>
<#short-string-escapes>
<#uri-escapes>
<#nested-list-subject>
@@ -193,6 +194,12 @@
mf:name "nested-list-subject" ;
mf:result <nested-list-subject.ttl> .
+<#relative-uris>
+ a rdft:TestTurtleEval ;
+ mf:action <relative-uris.ttl> ;
+ mf:name "relative-uris" ;
+ mf:result <relative-uris.ttl> .
+
<#short-string-escapes>
a rdft:TestTurtleEval ;
mf:action <short-string-escapes.ttl> ;
diff --git a/test/pretty/relative-uris.ttl b/test/pretty/relative-uris.ttl
new file mode 100644
index 00000000..397c7cf7
--- /dev/null
+++ b/test/pretty/relative-uris.ttl
@@ -0,0 +1,2 @@
+<http://example.org/s>
+ <http://example.org/p> <manifest.ttl> .
diff --git a/test/root/root-inside-base-out.ttl b/test/root/root-inside-base-out.ttl
index a5081e4d..76f61791 100644
--- a/test/root/root-inside-base-out.ttl
+++ b/test/root/root-inside-base-out.ttl
@@ -1,7 +1,7 @@
@base <http://example.org/top/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-<http://example.org/top/>
+<>
rdfs:label "base node" .
<root/>
@@ -10,7 +10,7 @@
<root/s>
rdfs:label "within root" .
-<s>
+<http://example.org/top/s>
rdfs:label "within base" .
<http://example.org/other/s>
diff --git a/test/root/root-outside-base-out.ttl b/test/root/root-outside-base-out.ttl
index 47a4c47e..dcb95d5a 100644
--- a/test/root/root-outside-base-out.ttl
+++ b/test/root/root-outside-base-out.ttl
@@ -4,7 +4,7 @@
<>
rdfs:label "base node" .
-<http://example.org/top/root/>
+<../>
rdfs:label "root node" .
<s>
@@ -13,7 +13,7 @@
<../s>
rdfs:label "within root" .
-<../../s>
+<http://example.org/top/s>
rdfs:label "outside root" .
<http://example.com/s>
diff --git a/test/test_uri.c b/test/test_uri.c
index bcd670e5..ac24a2be 100644
--- a/test/test_uri.c
+++ b/test/test_uri.c
@@ -265,12 +265,8 @@ test_relative_uri(void)
// Related base
- /* Expected:
check_relative_uri(
"http://example.org/a/b", "http://example.org/", NULL, "a/b");
- Actual: */
- check_relative_uri(
- "http://example.org/a/b", "http://example.org/", NULL, "/a/b");
check_relative_uri(
"http://example.org/a/b", "http://example.org/a/", NULL, "b");
@@ -286,10 +282,7 @@ test_relative_uri(void)
check_relative_uri("http://example.org/", "http://example.org/", NULL, "");
- /* Expected:
check_relative_uri("http://example.org/", "http://example.org/a", NULL, "");
- Actual: */
- check_relative_uri("http://example.org/", "http://example.org/a", NULL, "/");
check_relative_uri(
"http://example.org/", "http://example.org/a/", NULL, "../");
@@ -337,10 +330,7 @@ test_relative_uri(void)
check_relative_uri("http://example.org/a/",
"http://example.org/a/",
"http://example.org/a/",
- /* Expected:
"");
- Actual: */
- "http://example.org/a/");
check_relative_uri("http://example.org/a/b",
"http://example.org/a/b/c",
@@ -350,10 +340,7 @@ test_relative_uri(void)
check_relative_uri("http://example.org/a",
"http://example.org/a/b/c",
"http://example.org/a/b",
- /* Expected:
"http://example.org/a");
- Actual: */
- "../../a");
}
int
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-22 21:05:10 +0000