Move serd_strlen and serd_strerror to string.c and document both in "String Utilities" section.

git-svn-id: http://svn.drobilla.net/serd/trunk@229 490d8e77-9747-427b-9fa3-0b8f29cee8a0

1 files changed, 58 insertions, 0 deletions

diff --git a/src/string.c b/src/string.c
new file mode 100644
index 00000000..f747c530
--- /dev/null
+++ b/src/string.c
@@ -0,0 +1,58 @@
+/*
+  Copyright 2011 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "serd_internal.h"
+
+SERD_API
+const uint8_t*
+serd_strerror(SerdStatus st)
+{
+	switch (st) {
+	case SERD_SUCCESS:        return (const uint8_t*)"Success";
+	case SERD_FAILURE:        return (const uint8_t*)"Non-fatal failure";
+	case SERD_ERR_UNKNOWN:    return (const uint8_t*)"Unknown error";
+	case SERD_ERR_BAD_SYNTAX: return (const uint8_t*)"Invalid syntax";
+	case SERD_ERR_BAD_ARG:    return (const uint8_t*)"Invalid argument";
+	case SERD_ERR_NOT_FOUND:  return (const uint8_t*)"Not found";
+	}
+	return (const uint8_t*)"Success";  // never reached
+}
+
+SERD_API
+size_t
+serd_strlen(const uint8_t* str, size_t* n_bytes, SerdNodeFlags* flags)
+{
+	size_t n_chars = 0;
+	size_t i       = 0;
+	for (; str[i]; ++i) {
+		if ((str[i] & 0xC0) != 0x80) {
+			// Does not start with `10', start of a new character
+			++n_chars;
+			switch (str[i]) {
+			case '\r':
+			case '\n':
+				*flags |= SERD_HAS_NEWLINE;
+				break;
+			case '"':
+				*flags |= SERD_HAS_QUOTE;
+			}
+		}
+	}
+	if (n_bytes) {
+		*n_bytes = i;
+	}
+	return n_chars;
+}