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Add 'and' and 'or' to docs

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pietervdvn 2022-06-22 11:15:32 +02:00
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29
Docs/Tags_format.md
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@ -6,6 +6,12 @@ This document gives an overview of what every expression means and how it behave
If the schema-files note a type `string | AndOrTagConfigJson`, you can use one of these values.
In some cases, not every type of tags-filter can be used. For example, _rendering_ an option with a regex is
fine (`"if": "brand~[Bb]randname", "then":" The brand is Brandname"`); but this regex can not be used to write a value
into the database. The theme loader will however refuse to work with such inconsistencies and notify you of this while
you are building your theme.
Strict equality
---------------
@ -53,7 +59,8 @@ special circumstances (e.g. `surface_area=42 m2` or `length=100 feet`), this wil
values (`surface=422` or if a length in meters is compared to). However, this can be partially alleviated by using '
Units' to rewrite to a default format.
Dates can be compared with the same expression: `somekey<2022-06-22` will match if `somekey` is a date and is smaller then 22nd june '22.
Dates can be compared with the same expression: `somekey<2022-06-22` will match if `somekey` is a date and is smaller
then 22nd june '22.
Regex equals
------------
@ -61,8 +68,8 @@ Regex equals
A tag can also be tested against a regex with `key~regex`. Note that this regex __must match__ the entire value. If the
value is allowed to appear anywhere as substring, use `key~.*regex.*`
Regexes will match the newline character with `.` too - the `s`-flag is enabled by default.
To enable case invariant matching, use `key~i~regex`
Regexes will match the newline character with `.` too - the `s`-flag is enabled by default. To enable case invariant
matching, use `key~i~regex`
Equivalently, `key!~regex` can be used if you _don't_ want to match the regex in order to appear.
@ -101,3 +108,19 @@ To mitigate this, use:
One can use `key!:=prefix-{other_key}-postfix` as well, to match if `key` is _not_ the same
as `prefix-{other_key}-postfix` (with `other_key` substituted by the value)
## Logical operators
One can combine multiple tags by using `and` or `or`, e.g.:
```json
{
"osmTags": {
"or": [
"amenity=school",
"amenity=kindergarten"
]
}
}
```