Add BSON implementation to third_party

Review URL: https://codereview.appspot.com/6267044

git-svn-id: http://skia.googlecode.com/svn/trunk@4252 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 54 insertions, 0 deletions

diff --git a/third_party/bson_c/src/encoding.h b/third_party/bson_c/src/encoding.h
new file mode 100644
index 0000000000..86d5e8ea9a
--- /dev/null
+++ b/third_party/bson_c/src/encoding.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2009-2011 10gen, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef BSON_ENCODING_H_
+#define BSON_ENCODING_H_
+
+MONGO_EXTERN_C_START
+
+/**
+ * Check that a field name is valid UTF8, does not start with a '$',
+ * and contains no '.' characters. Set bson bit field appropriately.
+ * Note that we don't need to check for '\0' because we're using
+ * strlen(3), which stops at '\0'.
+ *
+ * @param b The bson object to which field name will be appended.
+ * @param string The field name as char*.
+ * @param length The length of the field name.
+ *
+ * @return BSON_OK if valid UTF8 and BSON_ERROR if not. All BSON strings must be
+ *     valid UTF8. This function will also check whether the string
+ *     contains '.' or starts with '$', since the validity of this depends on context.
+ *     Set the value of b->err appropriately.
+ */
+int bson_check_field_name( bson *b, const char *string,
+                           const int length );
+
+/**
+ * Check that a string is valid UTF8. Sets the buffer bit field appropriately.
+ *
+ * @param b The bson object to which string will be appended.
+ * @param string The string to check.
+ * @param length The length of the string.
+ *
+ * @return BSON_OK if valid UTF-8; otherwise, BSON_ERROR.
+ *     Sets b->err on error.
+ */
+bson_bool_t bson_check_string( bson *b, const char *string,
+                               const int length );
+
+MONGO_EXTERN_C_END
+#endif