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Add setter to easily assign values to path in config

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This commit is contained in:
Mike Bierlee 2022-10-07 00:51:17 +03:00
parent 253b90acbb
commit 35c6a25382
1 changed files with 98 additions and 2 deletions
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100
source/mirage/config.d
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@ -349,7 +349,19 @@ class ConfigDictionary {
return new ConfigDictionary(node);
}
string createExceptionPath(ConfigPath path) {
/**
* Assign a value at the given path.
*
* Params:
* configPath = Path where to assign the value to. If the path does not exist, it will be created.
* value = Value to set at path.
*/
void set(string configPath, string value) {
auto path = new ConfigPath(configPath);
rootNode = insertAtPath(rootNode, path, value);
}
private string createExceptionPath(ConfigPath path) {
return "'" ~ path.path ~ "' (at '" ~ path.getCurrentPath() ~ "')";
}
@ -530,6 +542,28 @@ class ConfigDictionary {
return result;
}
private ConfigNode insertAtPath(ConfigNode node, ConfigPath path, const string value) {
auto nextSegment = path.getNextSegment();
if (nextSegment is null) {
return new ValueNode(value);
}
auto propertySegment = cast(PropertyPathSegment) nextSegment;
if (propertySegment is null) {
throw new Exception("Not yet implemented: cannot set array"); // todo
}
auto objectNode = node is null ? new ObjectNode() : cast(ObjectNode) node;
if (objectNode is null) {
throw new Exception("Not yet implemented: cannot set array"); // todo
}
auto childNodePtr = propertySegment.propertyName in objectNode.children;
ConfigNode childNode = childNodePtr !is null ? *childNodePtr : new ObjectNode();
objectNode.children[propertySegment.propertyName] = insertAtPath(childNode, path, value);
return objectNode;
}
}
/**
@ -1004,5 +1038,67 @@ version (unittest) {
assert(config.get("escape room") == "\\\\");
}
//TODO: Test null nodes should gracefully fail
@("Set value at path when path does not exist")
unittest {
auto config = new ConfigDictionary();
config.set("do.re.mi.fa.so", "buh");
assert(config.get("do.re.mi.fa.so") == "buh");
}
@("Set value at path when object at path exists")
unittest {
auto config = new ConfigDictionary(
new ObjectNode(
[
"one": new ObjectNode([
"two": new ObjectNode([
"mouseSound": "meep"
])
])
])
);
config.set("one.two.catSound", "meow");
assert(config.get("one.two.mouseSound") == "meep");
assert(config.get("one.two.catSound") == "meow");
}
@("Overwrite value at path")
unittest {
auto config = new ConfigDictionary(
new ObjectNode(
[
"one": new ObjectNode([
"two": new ObjectNode([
"mouseSound": "meep"
])
])
])
);
config.set("one.two.mouseSound", "yo");
assert(config.get("one.two.mouseSound") == "yo");
}
@("Diverge path completely")
unittest {
auto config = new ConfigDictionary(
new ObjectNode(
[
"one": new ObjectNode([
"two": new ObjectNode([
"mouseSound": "meep"
])
])
])
);
config.set("I.am", "baboon");
assert(config.get("one.two.mouseSound") == "meep");
assert(config.get("I.am") == "baboon");
}
}