Mercurial > games > semicongine

annotate src/semicongine/settings.nim @ 374:ad2a7586f625

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
did: update flags to reflect new defaults in nim v2
author Sam <sam@basx.dev>
date Sun, 26 Nov 2023 16:20:24 +0700
parents c73224f9d38f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
1 import std/logging
257
d6d48c7cc141 fix: issue with shared heap memory in settings
Sam <sam@basx.dev>
parents: 254
diff changeset
2 import std/streams
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
3 import std/parsecfg
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
4 import std/strutils
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
5 import std/parseutils
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
6 import std/strformat
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
7 import std/tables
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
8 import std/os
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
9
206
7f921d7d0a2b did: small refactoring of module structure
Sam <sam@basx.dev>
parents: 194
diff changeset
10 import ./core
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
11
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
12 when CONFIGHOTRELOAD:
254
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
13 var
257
d6d48c7cc141 fix: issue with shared heap memory in settings
Sam <sam@basx.dev>
parents: 254
diff changeset
14 configUpdates: Channel[(string, string)]
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
15 configUpdates.open()
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
16
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
17 # runtime configuration
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
18 # =====================
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
19 # namespace is the path from the CONFIGROOT to the according settings file without the file extension
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
20 # a settings file must always have the extension CONFIGEXTENSION
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
21 # a fully qualified settings identifier can be in the form {namespace}.{section}.{key}
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
22 # {key} and {section} may not contain dots
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
23
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
24 # a "namespace" is the path from the settings root to an *.CONFIGEXTENSION file, without the file extension
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
25 # settings is a namespace <-> settings mapping
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
26 var allsettings: Table[string, Config]
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
27
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
28 proc configRoot(): string =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
29 joinPath(absolutePath(getAppDir()), CONFIGROOT)
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
30
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
31 proc getFile(namespace: string): string =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
32 joinPath(configRoot(), namespace & "." & CONFIGEXTENSION)
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
33
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
34 iterator walkConfigNamespaces(): string =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
35 for file in walkDirRec(dir=configRoot(), relative=true, checkDir=true):
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
36 if file.endsWith("." & CONFIGEXTENSION):
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
37 yield file[0 ..< ^(CONFIGEXTENSION.len + 1)]
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
38
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
39 proc loadAllConfig(): Table[string, Config] =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
40 for ns in walkConfigNamespaces():
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
41 result[ns] = ns.getFile().loadConfig()
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
42
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
43 proc reloadSettings*() =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
44 allsettings = loadAllConfig()
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
45
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
46 proc configStr(key, section, namespace: string): string =
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
47 when CONFIGHOTRELOAD:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
48 while configUpdates.peek() > 0:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
49 let (updatedNamespace, updatedConfig) = configUpdates.recv()
257
d6d48c7cc141 fix: issue with shared heap memory in settings
Sam <sam@basx.dev>
parents: 254
diff changeset
50 allsettings[updatedNamespace] = loadConfig(newStringStream(updatedConfig))
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
51 if not allsettings.hasKey(namespace):
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
52 raise newException(Exception, &"Settings {namespace}.{section}.{key} was not found")
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
53 allsettings[namespace].getSectionValue(section, key)
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
54
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
55 proc setting*[T: int|float|string](key, section, namespace: string): T =
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
56 when T is int:
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
57 let value = configStr(key, section, namespace)
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
58 if parseInt(value, result) == 0:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
59 raise newException(Exception, &"Unable to parse int from settings {namespace}.{section}.{key}: {value}")
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
60 elif T is float:
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
61 let value = configStr(key, section, namespace)
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
62 if parseFloat(value, result) == 0:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
63 raise newException(Exception, &"Unable to parse float from settings {namespace}.{section}.{key}: {value}")
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
64 else:
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
65 result = configStr(key, section, namespace)
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
66
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
67 proc setting*[T: int|float|string](identifier: string): T =
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
68 # identifier can be in the form:
254
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
69 # {namespace}.{key}
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
70 # {namespace}.{section}.{key}
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
71 let parts = identifier.rsplit(".")
254
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
72 if parts.len == 1:
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
73 raise newException(Exception, &"Setting with name {identifier} has no namespace")
308
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
74 if parts.len == 2: result = setting[T](parts[1], "", parts[0])
c73224f9d38f add: some API improvments for vector, entity, and some other stuff
Sam <sam@basx.dev>
parents: 302
diff changeset
75 else: result = setting[T](parts[^1], parts[^2], joinPath(parts[0 .. ^3]))
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
76
254
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
77 proc hadConfigUpdate*(): bool =
259
772d8af8f126 fix: issue with relese build
Sam <sam@basx.dev>
parents: 257
diff changeset
78 when CONFIGHOTRELOAD == true:
280
913b831465a0 did: simplify config-changed-check, enforce settings-query to always pass default value
Sam <sam@basx.dev>
parents: 259
diff changeset
79 result = configUpdates.peek() > 0
254
0fab53ca30b7 did: various improvments
Sam <sam@basx.dev>
parents: 206
diff changeset
80
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
81 allsettings = loadAllConfig()
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
82
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
83 when CONFIGHOTRELOAD == true:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
84 import std/times
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
85
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
86 proc configFileWatchdog() {.thread.} =
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
87 var configModTimes: Table[string, Time]
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
88 while true:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
89 for namespace in walkConfigNamespaces():
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
90 if not (namespace in configModTimes):
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
91 configModTimes[namespace] = Time()
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
92 let lastMod = namespace.getFile().getLastModificationTime()
280
913b831465a0 did: simplify config-changed-check, enforce settings-query to always pass default value
Sam <sam@basx.dev>
parents: 259
diff changeset
93 if lastMod > configModTimes[namespace]:
913b831465a0 did: simplify config-changed-check, enforce settings-query to always pass default value
Sam <sam@basx.dev>
parents: 259
diff changeset
94 configModTimes[namespace] = lastMod
257
d6d48c7cc141 fix: issue with shared heap memory in settings
Sam <sam@basx.dev>
parents: 254
diff changeset
95 let configStr = newFileStream(namespace.getFile()).readAll()
d6d48c7cc141 fix: issue with shared heap memory in settings
Sam <sam@basx.dev>
parents: 254
diff changeset
96 configUpdates.send((namespace, configStr))
194
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
97 sleep CONFIGHOTRELOADINTERVAL
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
98 var thethread: Thread[void]
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
99 createThread(thethread, configFileWatchdog)
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
100
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
101 if DEBUG:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
102 setLogFilter(lvlAll)
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
103 else:
93f661a20f74 did: a bit of cleanup with the config, also add some documentation
Sam <sam@basx.dev>
parents:
diff changeset
104 setLogFilter(lvlWarn)