From 745d214ba0a1c0cdbfece6bd52a96f08a1c74b52 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 4 Feb 2018 15:33:36 +0100
Subject: Use opaque node API

---
 src/n3.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

(limited to 'src/n3.c')

diff --git a/src/n3.c b/src/n3.c
index 4223961d..9239f67c 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -565,7 +565,8 @@ read_PN_PREFIX_tail(SerdReader* reader, Ref dest)
 	}
 
 	const SerdNode* const n = deref(reader, dest);
-	if (n->buf[n->n_bytes - 1] == '.' && read_PN_CHARS(reader, dest)) {
+	if (serd_node_get_string(n)[n->n_bytes - 1] == '.' &&
+	    read_PN_CHARS(reader, dest)) {
 		r_err(reader, SERD_ERR_BAD_SYNTAX, "prefix ends with `.'\n");
 		return SERD_ERR_BAD_SYNTAX;
 	}
@@ -839,7 +840,8 @@ read_verb(SerdReader* reader, Ref* dest)
 	bool             ate_dot = false;
 	SerdNode*        node    = deref(reader, *dest);
 	const int        next    = peek_byte(reader);
-	if (!st && node->n_bytes == 1 && node->buf[0] == 'a' &&
+	if (!st && node->n_bytes == 1 &&
+	    serd_node_get_string(node)[0] == 'a' &&
 	    next != ':' && !is_PN_CHARS_BASE((uint32_t)next)) {
 		pop_node(reader, *dest);
 		return (*dest = push_node(reader, SERD_URI, NS_RDF "type", 47));
@@ -878,8 +880,9 @@ read_BLANK_NODE_LABEL(SerdReader* reader, bool* ate_dot)
 		}
 	}
 
-	SerdNode* n = deref(reader, ref);
-	if (n->buf[n->n_bytes - 1] == '.' && read_PN_CHARS(reader, ref)) {
+	SerdNode* n   = deref(reader, ref);
+	char*     buf = serd_node_buffer(n);
+	if (buf[n->n_bytes - 1] == '.' && read_PN_CHARS(reader, ref)) {
 		// Ate trailing dot, pop it from stack/node and inform caller
 		--n->n_bytes;
 		serd_stack_pop(&reader->stack, 1);
@@ -887,12 +890,11 @@ read_BLANK_NODE_LABEL(SerdReader* reader, bool* ate_dot)
 	}
 
 	if (fancy_syntax(reader)) {
-		if (is_digit(n->buf[reader->bprefix_len + 1])) {
-			if ((n->buf[reader->bprefix_len]) == 'b') {
-				((char*)n->buf)[reader->bprefix_len] = 'B';  // Prevent clash
+		if (is_digit(buf[reader->bprefix_len + 1])) {
+			if ((buf[reader->bprefix_len]) == 'b') {
+				buf[reader->bprefix_len] = 'B';  // Prevent clash
 				reader->seen_genid = true;
-			} else if (reader->seen_genid &&
-			           n->buf[reader->bprefix_len] == 'B') {
+			} else if (reader->seen_genid && buf[reader->bprefix_len] == 'B') {
 				r_err(reader, SERD_ERR_ID_CLASH,
 				      "found both `b' and `B' blank IDs, prefix required\n");
 				return pop_node(reader, ref);
@@ -1022,8 +1024,10 @@ read_object(SerdReader* reader, ReadContext* ctx, bool emit, bool* ate_dot)
 		o = push_node(reader, SERD_CURIE, "", 0);
 		while (!read_PN_CHARS_BASE(reader, o)) {}
 		node = deref(reader, o);
-		if ((node->n_bytes == 4 && !memcmp(node->buf, "true", 4)) ||
-		    (node->n_bytes == 5 && !memcmp(node->buf, "false", 5))) {
+		if ((node->n_bytes == 4 &&
+		     !memcmp(serd_node_get_string(node), "true", 4)) ||
+		    (node->n_bytes == 5 &&
+		     !memcmp(serd_node_get_string(node), "false", 5))) {
 			node->type = SERD_LITERAL;
 			datatype   = push_node(
 				reader, SERD_URI, XSD_BOOLEAN, XSD_BOOLEAN_LEN);
@@ -1358,7 +1362,7 @@ tokcmp(SerdReader* reader, Ref ref, const char* tok, size_t n)
 	if (!node || node->n_bytes != n) {
 		return -1;
 	}
-	return serd_strncasecmp((const char*)node->buf, tok, n);
+	return serd_strncasecmp(serd_node_get_string(node), tok, n);
 }
 
 bool
-- 
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