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feat(config): add ability to get value of variable

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This commit is contained in:
Aleksey Kulikov 2021-06-18 16:48:13 +03:00
parent 7bea406ab9
commit f6b8cc7005
3 changed files with 43 additions and 56 deletions
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43
lib/src/bindings/config.dart
View file

@ -120,16 +120,12 @@ String findXdg() {
/// Get the value of a config variable.
///
/// All config files will be looked into, in the order of their
/// defined level. A higher level means a higher priority. The
/// first occurrence of the variable will be returned here.
///
/// Throws a [LibGit2Error] if error occured.
Pointer<Int8> getConfigValue(Pointer<git_config> cfg, String variable) {
final out = calloc<git_buf>();
String getValue(Pointer<git_config> cfg, String variable) {
final out = calloc<Pointer<git_config_entry>>();
final name = variable.toNativeUtf8().cast<Int8>();
final error = libgit2.git_config_get_path(out, cfg, name);
final value = out.ref.ptr;
final error = libgit2.git_config_get_entry(out, cfg, name);
final value = out.value;
calloc.free(out);
calloc.free(name);
@ -137,36 +133,7 @@ Pointer<Int8> getConfigValue(Pointer<git_config> cfg, String variable) {
throw LibGit2Error(libgit2.git_error_last());
}
return value;
}
/// Get the value of a config variable and parse it as a boolean according
/// to git-config rules.
///
/// Interprets "true", "yes", "on", 1, or any non-zero number as true.
/// Interprets "false", "no", "off", 0, or an empty string as false.
bool getBool(Pointer<git_config> cfg, String variable) {
final value = getConfigValue(cfg, variable);
final out = calloc<Int32>();
libgit2.git_config_parse_bool(out, value);
final result = out.value;
calloc.free(out);
return (result == 0) ? false : true;
}
/// Get the value of a config variable and parse it as an integer according
/// to git-config rules.
///
/// Handles suffixes like k, M, or G - kilo, mega, giga.
int getInt(Pointer<git_config> cfg, String variable) {
final value = getConfigValue(cfg, variable);
final out = calloc<Int64>();
libgit2.git_config_parse_int64(out, value);
final result = out.value;
calloc.free(out);
return result;
return value.ref.value.cast<Utf8>().toDartString();
}
/// Set the value of a boolean config variable in the config file with the

19
lib/src/config.dart
View file

@ -113,15 +113,24 @@ class Config {
/// Map of key/value entries from config file.
Map<String, dynamic> variables = {};
/// Sets the [value] of config [key]
void setVariable(String key, dynamic value) {
/// Returns the value of config [variable]
String getValue(String variable) {
try {
return config.getValue(configPointer.value, variable);
} catch (e) {
rethrow;
}
}
/// Sets the [value] of config [variable]
void setValue(String variable, dynamic value) {
try {
if (value.runtimeType == bool) {
config.setBool(configPointer.value, key, value);
config.setBool(configPointer.value, variable, value);
} else if (value.runtimeType == int) {
config.setInt(configPointer.value, key, value);
config.setInt(configPointer.value, variable, value);
} else {
config.setString(configPointer.value, key, value);
config.setString(configPointer.value, variable, value);
}
variables = config.getVariables(configPointer.value);
} catch (e) {

37
test/config_test.dart
View file

@ -43,23 +43,34 @@ void main() {
expect(config, isA<Config>());
});
test('gets entries of file', () {
expect(config.variables['core.repositoryformatversion'], equals('0'));
group('getValue()', () {
test('returns value of variable', () {
expect(config.getValue('core.bare'), equals('false'));
});
test('throws when variable isn\'t found', () {
expect(
() => config.getValue('not.there'),
throwsA(isA<LibGit2Error>()),
);
});
});
test('sets boolean value for provided key', () {
config.setVariable('core.bare', true);
expect(config.variables['core.bare'], equals('true'));
});
group('setValue()', () {
test('sets boolean value for provided variable', () {
config.setValue('core.bare', true);
expect(config.variables['core.bare'], equals('true'));
});
test('sets integer value for provided key', () {
config.setVariable('core.repositoryformatversion', 1);
expect(config.variables['core.repositoryformatversion'], equals('1'));
});
test('sets integer value for provided variable', () {
config.setValue('core.repositoryformatversion', 1);
expect(config.variables['core.repositoryformatversion'], equals('1'));
});
test('sets string value for provided key', () {
config.setVariable('remote.origin.url', 'updated');
expect(config.variables['remote.origin.url'], equals('updated'));
test('sets string value for provided variable', () {
config.setValue('remote.origin.url', 'updated');
expect(config.variables['remote.origin.url'], equals('updated'));
});
});
test('deletes variable', () {