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| author | Minh Nguyễn <mxn@1ec5.org> | 2016-12-26 15:09:01 -0800 |
|---|---|---|
| committer | Minh Nguyễn <mxn@1ec5.org> | 2016-12-26 15:09:01 -0800 |
| commit | e0c9302e9af415a413f3e198731325e4dafd2c9e (patch) | |
| tree | 0f7fe9f5ba2bed8df7a4fb71c5fab99f8b914c6e | |
| parent | 7374f26f4b45ce56abfc757e141b8aafb5a537f5 (diff) | |
[ios, macos] Note that no modifier operators are supported
There’s also an “l” operator for locale sensitivity.
| -rw-r--r-- | platform/darwin/src/MGLVectorStyleLayer.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/platform/darwin/src/MGLVectorStyleLayer.h b/platform/darwin/src/MGLVectorStyleLayer.h index ff07a71a7..50e56d864 100644 --- a/platform/darwin/src/MGLVectorStyleLayer.h +++ b/platform/darwin/src/MGLVectorStyleLayer.h @@ -62,8 +62,9 @@ NS_ASSUME_NONNULL_BEGIN To test whether a feature has or lacks a specific attribute, compare the attribute to `NULL` or `NIL`. Predicates created using the `+[NSPredicate predicateWithValue:]` method are also supported. String operators and custom operators are not supported. For details about the predicate format string syntax, consult the “Predicate - Format String Syntax” chapter of the “Predicate Programming Guide” in Apple - developer documentation. + Format String Syntax” chapter of the + “<a href="https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/Predicates/">Predicate Programming Guide</a>” + in Apple developer documentation. The predicate's left-hand expression must be a string that identifies a feature attribute or, alternatively, one of the following special attributes: @@ -119,9 +120,10 @@ NS_ASSUME_NONNULL_BEGIN Automatic type casting is not performed. Therefore, a feature only matches this predicate if its value for the attribute in question is of the same type as the - value specified in the predicate. Also, operator modifiers `c`, `d`, and the - combined `cd` for case and diacritic insensitivity are unsupported for - comparison and aggregate operators that are used in the predicate. + value specified in the predicate. Also, operator modifiers such as `c` (for + case insensitivity), `d` (for diacritic insensitivity), and `l` (for locale + sensitivity) are unsupported for comparison and aggregate operators that are + used in the predicate. It is possible to create expressions that contain special characters in the predicate format syntax. This includes the `$` in the `$id` and `$type` special |