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settings improvements: allow foreach iteration over arrays and maps

This commit is contained in:
Vadim Lopatin 2015-02-27 12:18:44 +03:00
parent 0850b5810f
commit 2bb3fcb258
1 changed files with 52 additions and 0 deletions
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52
src/dlangui/core/settings.d
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@ -600,6 +600,58 @@ final class Setting {
return list;
}
/// to iterate using foreach
int opApply(int delegate(ref Setting)dg) {
int result = 0;
if (_type == SettingType.ARRAY) {
for(int i = 0; i < _store.array.list.length; i++) {
result = dg(_store.array.list[i]);
if (result)
break;
}
} else if (_type == SettingType.OBJECT) {
for(int i = 0; i < _store.map.list.length; i++) {
result = dg(_store.map.list[i]);
if (result)
break;
}
}
return result;
}
/// to iterate over OBJECT using foreach(key, value; map)
int opApply(int delegate(ref string, ref Setting)dg) {
int result = 0;
if (_type == SettingType.OBJECT) {
for(int i = 0; i < _store.map.list.length; i++) {
string key = _store.map.keyByIndex(i);
result = dg(key, _store.map.list[i]);
if (result)
break;
}
}
return result;
}
/// to iterate using foreach_reverse
int opApplyReverse(int delegate(ref Setting)dg) {
int result = 0;
if (_type == SettingType.ARRAY) {
for(int i = cast(int)_store.array.list.length - 1; i >= 0; i--) {
result = dg(_store.array.list[i]);
if (result)
break;
}
} else if (_type == SettingType.OBJECT) {
for(int i = cast(int)_store.map.list.length - 1; i >= 0; i--) {
result = dg(_store.map.list[i]);
if (result)
break;
}
}
return result;
}
static long parseLong(inout string v, long defValue = 0) {
int len = cast(int)v.length;
if (len == 0)