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-rw-r--r--src/reader.c101
1 files changed, 57 insertions, 44 deletions
diff --git a/src/reader.c b/src/reader.c
index c747ca38..9667abf5 100644
--- a/src/reader.c
+++ b/src/reader.c
@@ -26,6 +26,9 @@
#include "serd/serd.h"
#include "serd_stack.h"
+#define NS_XSD "http://www.w3.org/2001/XMLSchema#"
+#define NS_RDF "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+
#define TRY_THROW(exp) if (!(exp)) goto except;
#define TRY_RET(exp) if (!(exp)) return 0;
@@ -58,7 +61,7 @@ typedef struct {
const Node* predicate;
} ReadContext;
-static const Node SERD_NODE_NULL = {0,0,0,0};
+static const Node SERD_NODE_NULL = { 0, 0, 0, 0 };
struct SerdReaderImpl {
void* handle;
@@ -77,11 +80,11 @@ struct SerdReaderImpl {
unsigned next_id;
int err;
uint8_t* read_buf;
- int32_t read_head; ///< Offset into read_buf
+ int32_t read_head; ///< Offset into read_buf
bool eof;
#ifdef STACK_DEBUG
- Ref* alloc_stack; ///< Stack of push offsets
- size_t n_allocs; ///< Number of stack pushes
+ Ref* alloc_stack; ///< Stack of push offsets
+ size_t n_allocs; ///< Number of stack pushes
#endif
};
@@ -207,16 +210,18 @@ static Ref
push_string(SerdReader reader, const char* c_str, size_t n_bytes)
{
// Align strings to 64-bits (assuming malloc/realloc are aligned to 64-bits)
- const size_t stack_size = pad_size((intptr_t)reader->stack.size);
- const size_t pad = stack_size - reader->stack.size;
- SerdString* const str = (SerdString*)(
- serd_stack_push(&reader->stack, pad + sizeof(SerdString) + n_bytes) + pad);
+ const size_t stack_size = pad_size((intptr_t)reader->stack.size);
+ const size_t pad = stack_size - reader->stack.size;
+ uint8_t* mem = serd_stack_push(
+ &reader->stack, pad + sizeof(SerdString) + n_bytes) + pad;
+ SerdString* const str = (SerdString*)mem;
str->n_bytes = n_bytes;
str->n_chars = n_bytes - 1;
memcpy(str->buf, c_str, n_bytes);
#ifdef STACK_DEBUG
- reader->alloc_stack = realloc(reader->alloc_stack, sizeof(uint8_t*) * (++reader->n_allocs));
- reader->alloc_stack[reader->n_allocs - 1] = ((uint8_t*)str - reader->stack.buf);
+ reader->alloc_stack = realloc(reader->alloc_stack,
+ sizeof(uint8_t*) * (++reader->n_allocs));
+ reader->alloc_stack[reader->n_allocs - 1] = (mem - reader->stack.buf);
#endif
return (uint8_t*)str - reader->stack.buf;
}
@@ -259,7 +264,8 @@ pop_string(SerdReader reader, Ref ref)
}
#ifdef STACK_DEBUG
if (!stack_is_top_string(reader, ref)) {
- fprintf(stderr, "attempt to pop non-top string %s\n", deref(reader, ref)->buf);
+ fprintf(stderr, "attempt to pop non-top string %s\n",
+ deref(reader, ref)->buf);
fprintf(stderr, "top: %s\n",
deref(reader, reader->alloc_stack[reader->n_allocs - 1])->buf);
}
@@ -423,9 +429,9 @@ read_ucharacter_escape(SerdReader reader, Ref dest)
}
// [38] character ::= '\u' hex hex hex hex
-// | '\U' hex hex hex hex hex hex hex hex
-// | '\\'
-// | [#x20-#x5B] | [#x5D-#x10FFFF]
+// | '\U' hex hex hex hex hex hex hex hex
+// | '\\'
+// | [#x20-#x5B] | [#x5D-#x10FFFF]
static inline SerdStatus
read_character(SerdReader reader, Ref dest)
{
@@ -547,8 +553,8 @@ read_scharacter(SerdReader reader, Ref dest)
}
}
-// Spec: [41] ucharacter ::= ( character - #x3E ) | '\>'
-// Actual: [41] ucharacter ::= ( echaracter - #x3E ) | '\>'
+// Spec: [41] ucharacter ::= ( character - #x3E ) | '\>'
+// Impl: [41] ucharacter ::= ( echaracter - #x3E ) | '\>'
static inline SerdStatus
read_ucharacter(SerdReader reader, Ref dest)
{
@@ -674,9 +680,9 @@ read_relativeURI(SerdReader reader)
}
// [30] nameStartChar ::= [A-Z] | "_" | [a-z]
-// | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF] | [#x0370-#x037D]
-// | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF]
-// | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
+// | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF] | [#x0370-#x037D]
+// | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF]
+// | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
static inline uchar
read_nameStartChar(SerdReader reader, bool required)
{
@@ -691,7 +697,8 @@ read_nameStartChar(SerdReader reader, bool required)
}
}
-// [31] nameChar ::= nameStartChar | '-' | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040]
+// [31] nameChar ::= nameStartChar | '-' | [0-9]
+// | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040]
static inline uchar
read_nameChar(SerdReader reader)
{
@@ -763,7 +770,8 @@ read_language(SerdReader reader)
}
if (peek_byte(reader) == '-') {
push_byte(reader, str, eat_byte(reader, '-'));
- while ((c = peek_byte(reader)) && (in_range(c, 'a', 'z') || in_range(c, '0', '9'))) {
+ while ((c = peek_byte(reader)) && (
+ in_range(c, 'a', 'z') || in_range(c, '0', '9'))) {
push_byte(reader, str, eat_byte(reader, c));
}
}
@@ -826,9 +834,9 @@ read_0_9(SerdReader reader, Ref str, bool at_least_one)
static bool
read_number(SerdReader reader, Node* dest)
{
- #define XSD_DECIMAL "http://www.w3.org/2001/XMLSchema#decimal"
- #define XSD_DOUBLE "http://www.w3.org/2001/XMLSchema#double"
- #define XSD_INTEGER "http://www.w3.org/2001/XMLSchema#integer"
+ #define XSD_DECIMAL NS_XSD "decimal"
+ #define XSD_DOUBLE NS_XSD "double"
+ #define XSD_INTEGER NS_XSD "integer"
Ref str = push_string(reader, "", 1);
uint8_t c = peek_byte(reader);
bool has_decimal = false;
@@ -885,7 +893,7 @@ read_resource(SerdReader reader, Node* dest)
}
// [14] literal ::= quotedString ( '@' language )? | datatypeSerdString
-// | integer | double | decimal | boolean
+// | integer | double | decimal | boolean
static bool
read_literal(SerdReader reader, Node* dest)
{
@@ -932,7 +940,6 @@ read_predicate(SerdReader reader, Node* dest)
static bool
read_verb(SerdReader reader, Node* dest)
{
- #define RDF_TYPE "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
uint8_t pre[2];
readahead(reader, pre, 2);
switch (pre[0]) {
@@ -940,7 +947,8 @@ read_verb(SerdReader reader, Node* dest)
switch (pre[1]) {
case 0x9: case 0xA: case 0xD: case 0x20:
eat_byte(reader, 'a');
- *dest = make_node(SERD_URI, push_string(reader, RDF_TYPE, 48), 0, 0);
+ *dest = make_node(SERD_URI,
+ push_string(reader, NS_RDF "type", 48), 0, 0);
return true;
default: break; // fall through
}
@@ -967,8 +975,10 @@ blank_id(SerdReader reader)
return push_string(reader, str, len + 1);
}
-// Spec: [21] blank ::= nodeID | '[]' | '[' predicateObjectList ']' | collection
-// Actual: [21] blank ::= nodeID | '[ ws* ]' | '[' ws* predicateObjectList ws* ']' | collection
+// Spec: [21] blank ::= nodeID | '[]'
+// | '[' predicateObjectList ']' | collection
+// Impl: [21] blank ::= nodeID | '[ ws* ]'
+// | '[' ws* predicateObjectList ws* ']' | collection
static bool
read_blank(SerdReader reader, ReadContext ctx, Node* dest)
{
@@ -1031,7 +1041,7 @@ is_object_end(const uint8_t c)
static bool
read_object(SerdReader reader, ReadContext ctx)
{
- static const char* const XSD_BOOLEAN = "http://www.w3.org/2001/XMLSchema#boolean";
+ static const char* const XSD_BOOLEAN = NS_XSD "boolean";
static const size_t XSD_BOOLEAN_LEN = 40;
uint8_t pre[6];
@@ -1093,8 +1103,8 @@ except:
return ret;
}
-// Spec: [8] objectList ::= object ( ',' object )*
-// Actual: [8] objectList ::= object ( ws* ',' ws* object )*
+// Spec: [8] objectList ::= object ( ',' object )*
+// Impl: [8] objectList ::= object ( ws* ',' ws* object )*
static bool
read_objectList(SerdReader reader, ReadContext ctx)
{
@@ -1109,8 +1119,10 @@ read_objectList(SerdReader reader, ReadContext ctx)
return true;
}
-// Spec: [7] predicateObjectList ::= verb objectList ( ';' verb objectList )* ( ';' )?
-// Actual: [7] predicateObjectList ::= verb ws+ objectList ( ws* ';' ws* verb ws+ objectList )* ( ';' )?
+// Spec: [7] predicateObjectList ::= verb objectList
+// (';' verb objectList)* (';')?
+// Impl: [7] predicateObjectList ::= verb ws+ objectList
+// (ws* ';' ws* verb ws+ objectList)* (';')?
static bool
read_predicateObjectList(SerdReader reader, ReadContext ctx)
{
@@ -1154,7 +1166,8 @@ read_collection_rec(SerdReader reader, ReadContext ctx)
read_ws_star(reader);
if (peek_byte(reader) == ')') {
eat_byte(reader, ')');
- emit_statement(reader, NULL, ctx.subject, &reader->rdf_rest, &reader->rdf_nil);
+ emit_statement(reader, NULL, ctx.subject,
+ &reader->rdf_rest, &reader->rdf_nil);
return false;
} else {
const Node rest = make_node(SERD_BLANK_ID, blank_id(reader), 0, 0);
@@ -1212,8 +1225,8 @@ read_subject(SerdReader reader, ReadContext ctx)
return subject;
}
-// Spec: [6] triples ::= subject predicateObjectList
-// Actual: [6] triples ::= subject ws+ predicateObjectList
+// Spec: [6] triples ::= subject predicateObjectList
+// Impl: [6] triples ::= subject ws+ predicateObjectList
static bool
read_triples(SerdReader reader, ReadContext ctx)
{
@@ -1243,8 +1256,8 @@ read_base(SerdReader reader)
return true;
}
-// Spec: [4] prefixID ::= '@prefix' ws+ prefixName? ':' uriref
-// Actual: [4] prefixID ::= '@prefix' ws+ prefixName? ':' ws* uriref
+// Spec: [4] prefixID ::= '@prefix' ws+ prefixName? ':' uriref
+// Impl: [4] prefixID ::= '@prefix' ws+ prefixName? ':' ws* uriref
static bool
read_prefixID(SerdReader reader)
{
@@ -1284,8 +1297,8 @@ read_directive(SerdReader reader)
}
}
-// Spec: [1] statement ::= directive '.' | triples '.' | ws+
-// Actual: [1] statement ::= directive ws* '.' | triples ws* '.' | ws+
+// Spec: [1] statement ::= directive '.' | triples '.' | ws+
+// Impl: [1] statement ::= directive ws* '.' | triples ws* '.' | ws+
static bool
read_statement(SerdReader reader)
{
@@ -1371,9 +1384,9 @@ SERD_API
bool
serd_reader_read_file(SerdReader reader, FILE* file, const uint8_t* name)
{
- #define RDF_FIRST "http://www.w3.org/1999/02/22-rdf-syntax-ns#first"
- #define RDF_REST "http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"
- #define RDF_NIL "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"
+ #define RDF_FIRST NS_RDF "first"
+ #define RDF_REST NS_RDF "rest"
+ #define RDF_NIL NS_RDF "nil"
SerdReader const me = (SerdReader)reader;
const Cursor cur = { name, 1, 1 };
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-10 20:56:01 +0000