Add serd_reader_skip_until_byte() to public API

6 files changed, 28 insertions, 9 deletions

diff --git a/NEWS b/NEWS
index 2c896ec3..550a3321 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
-serd (0.30.17) unstable; urgency=medium
+serd (0.31.0) unstable; urgency=medium
 
   * Add Windows path separator support to serd_node_new_file_uri()
+  * Add serd_reader_skip_until_byte() to public API
   * Fix crash when trying to read chunks without starting
   * Fix hang when skipping an error at EOF when lax parsing
   * Gracefully handle bad characters in Turtle blank node syntax
@@ -10,7 +11,7 @@ serd (0.30.17) unstable; urgency=medium
   * Replace duplicated dox_to_sphinx script with sphinxygen dependency
   * Test header for warnings more strictly
 
- -- David Robillard <d@drobilla.net>  Sun, 04 Dec 2022 18:33:52 +0000
+ -- David Robillard <d@drobilla.net>  Fri, 09 Dec 2022 14:53:37 +0000
 
 serd (0.30.16) stable; urgency=medium
 
diff --git a/doc/serdi.1 b/doc/serdi.1
index 48b1a5d4..997676a0 100644
--- a/doc/serdi.1
+++ b/doc/serdi.1
@@ -2,7 +2,7 @@
 .\" # SPDX-License-Identifier: ISC
 .Dd Jul 15, 2022
 .Dt SERDI 1
-.Os Serd 0.30.17
+.Os Serd 0.31.0
 .Sh NAME
 .Nm serdi
 .Nd read and write RDF syntax
diff --git a/include/serd/serd.h b/include/serd/serd.h
index cf6b5e4d..42e85f87 100644
--- a/include/serd/serd.h
+++ b/include/serd/serd.h
@@ -856,6 +856,19 @@ SerdStatus
 serd_reader_read_string(SerdReader* SERD_NONNULL    reader,
                         const uint8_t* SERD_NONNULL utf8);
 
+/**
+   Skip over bytes in the input until a specific byte is encountered.
+
+   Typically used for recording from errors in a line-based syntax by skipping
+   ahead to the next newline.
+
+   @return #SERD_SUCCESS if the given byte was reached, or #SERD_FAILURE if the
+   end of input is reached.
+*/
+SERD_API
+SerdStatus
+serd_reader_skip_until_byte(SerdReader* SERD_NONNULL reader, uint8_t byte);
+
 /// Free `reader`
 SERD_API
 void
diff --git a/meson.build b/meson.build
index 8c3db730..b569c460 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: 0BSD OR ISC
 
 project('serd', ['c'],
-        version: '0.30.17',
+        version: '0.31.0',
         license: 'ISC',
         meson_version: '>= 0.56.0',
         default_options: [
diff --git a/src/n3.c b/src/n3.c
index e36d753c..6577fa3b 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -1672,12 +1672,17 @@ read_n3_statement(SerdReader* const reader)
   return st;
 }
 
-static void
-skip_until(SerdReader* const reader, const uint8_t byte)
+SerdStatus
+serd_reader_skip_until_byte(SerdReader* const reader, const uint8_t byte)
 {
-  for (int c = 0; (c = peek_byte(reader)) && c != byte && c != EOF;) {
+  int c = peek_byte(reader);
+
+  while (c != byte && c != EOF) {
     skip_byte(reader, c);
+    c = peek_byte(reader);
   }
+
+  return c == EOF ? SERD_FAILURE : SERD_SUCCESS;
 }
 
 SerdStatus
@@ -1689,7 +1694,7 @@ read_turtleTrigDoc(SerdReader* const reader)
       if (reader->strict) {
         return st;
       }
-      skip_until(reader, '\n');
+      serd_reader_skip_until_byte(reader, '\n');
     }
   }
 
diff --git a/src/serd_config.h b/src/serd_config.h
index 98fb01c9..df73522b 100644
--- a/src/serd_config.h
+++ b/src/serd_config.h
@@ -16,7 +16,7 @@
 #define SERD_CONFIG_H
 
 // Define version unconditionally so a warning will catch a mismatch
-#define SERD_VERSION "0.30.17"
+#define SERD_VERSION "0.31.0"
 
 #if !defined(SERD_NO_DEFAULT_CONFIG)