65 lines
3.5 KiB
Rust
65 lines
3.5 KiB
Rust
// Copyright 2016 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#![allow(dead_code)]
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use edn::symbols;
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/// Literal `Value` instances in the the "db" namespace.
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///
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/// Used through-out the transactor to match core DB constructs.
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use edn::types::Value;
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/// Declare a lazy static `ident` of type `Value::Keyword` with the given `namespace` and
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/// `name`.
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///
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/// It may look surprising to declare a new `lazy_static!` block rather than including
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/// invocations inside an existing `lazy_static!` block. The latter cannot be done, since macros
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/// will be expanded outside-in. Looking at the `lazy_static!` source suggests that there is no
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/// harm in repeating that macro, since internally a multi-`static` block will be expanded into
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/// many single-`static` blocks.
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///
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/// TODO: take just ":db.part/db" and define DB_PART_DB using "db.part" and "db".
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macro_rules! lazy_static_namespaced_keyword_value (
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($tag:ident, $namespace:expr, $name:expr) => (
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lazy_static! {
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pub static ref $tag: Value = {
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Value::Keyword(symbols::Keyword::namespaced($namespace, $name))
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};
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}
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)
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);
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lazy_static_namespaced_keyword_value!(DB_ADD, "db", "add");
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lazy_static_namespaced_keyword_value!(DB_ALTER_ATTRIBUTE, "db.alter", "attribute");
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lazy_static_namespaced_keyword_value!(DB_CARDINALITY, "db", "cardinality");
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lazy_static_namespaced_keyword_value!(DB_CARDINALITY_MANY, "db.cardinality", "many");
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lazy_static_namespaced_keyword_value!(DB_CARDINALITY_ONE, "db.cardinality", "one");
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lazy_static_namespaced_keyword_value!(DB_FULLTEXT, "db", "fulltext");
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lazy_static_namespaced_keyword_value!(DB_IDENT, "db", "ident");
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lazy_static_namespaced_keyword_value!(DB_INDEX, "db", "index");
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lazy_static_namespaced_keyword_value!(DB_INSTALL_ATTRIBUTE, "db.install", "attribute");
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lazy_static_namespaced_keyword_value!(DB_IS_COMPONENT, "db", "isComponent");
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lazy_static_namespaced_keyword_value!(DB_NO_HISTORY, "db", "noHistory");
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lazy_static_namespaced_keyword_value!(DB_PART_DB, "db.part", "db");
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lazy_static_namespaced_keyword_value!(DB_RETRACT, "db", "retract");
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lazy_static_namespaced_keyword_value!(DB_TYPE_BOOLEAN, "db.type", "boolean");
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lazy_static_namespaced_keyword_value!(DB_TYPE_DOUBLE, "db.type", "double");
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lazy_static_namespaced_keyword_value!(DB_TYPE_INSTANT, "db.type", "instant");
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lazy_static_namespaced_keyword_value!(DB_TYPE_KEYWORD, "db.type", "keyword");
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lazy_static_namespaced_keyword_value!(DB_TYPE_LONG, "db.type", "long");
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lazy_static_namespaced_keyword_value!(DB_TYPE_REF, "db.type", "ref");
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lazy_static_namespaced_keyword_value!(DB_TYPE_STRING, "db.type", "string");
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lazy_static_namespaced_keyword_value!(DB_TYPE_URI, "db.type", "uri");
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lazy_static_namespaced_keyword_value!(DB_TYPE_UUID, "db.type", "uuid");
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lazy_static_namespaced_keyword_value!(DB_UNIQUE, "db", "unique");
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lazy_static_namespaced_keyword_value!(DB_UNIQUE_IDENTITY, "db.unique", "identity");
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lazy_static_namespaced_keyword_value!(DB_UNIQUE_VALUE, "db.unique", "value");
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lazy_static_namespaced_keyword_value!(DB_VALUE_TYPE, "db", "valueType");
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