+ u32 getFlagStr(std::string name, FlagDesc *flagdesc, u32 *flagmask)
+ {
+ std::string val = get(name);
+ return (std::isdigit(val[0])) ? stoi(val) :
+ readFlagString(val, flagdesc, flagmask);
+ }
+
+ // N.B. if getStruct() is used to read a non-POD aggregate type,
+ // the behavior is undefined.
+ bool getStruct(std::string name, std::string format, void *out, size_t olen)
+ {
+ std::string valstr;
+
+ try {
+ valstr = get(name);
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+
+ if (!deSerializeStringToStruct(valstr, format, out, olen))
+ return false;
+
+ return true;
+ }
+
+ //////////// Try to get value, no exception thrown
+ bool getNoEx(std::string name, std::string &val)
+ {
+ try {
+ val = get(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ // N.B. getFlagStrNoEx() does not set val, but merely modifies it. Thus,
+ // val must be initialized before using getFlagStrNoEx(). The intention of
+ // this is to simplify modifying a flags field from a default value.
+ bool getFlagStrNoEx(std::string name, u32 &val, FlagDesc *flagdesc)
+ {
+ try {
+ u32 flags, flagmask;
+
+ flags = getFlagStr(name, flagdesc, &flagmask);
+
+ val &= ~flagmask;
+ val |= flags;
+
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getFloatNoEx(std::string name, float &val)
+ {
+ try {
+ val = getFloat(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getU16NoEx(std::string name, int &val)
+ {
+ try {
+ val = getU16(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getU16NoEx(std::string name, u16 &val)
+ {
+ try {
+ val = getU16(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getS16NoEx(std::string name, int &val)
+ {
+ try {
+ val = getU16(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getS16NoEx(std::string name, s16 &val)
+ {
+ try {
+ val = getS16(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getS32NoEx(std::string name, s32 &val)
+ {
+ try {
+ val = getS32(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getV3FNoEx(std::string name, v3f &val)
+ {
+ try {
+ val = getV3F(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getV2FNoEx(std::string name, v2f &val)
+ {
+ try {
+ val = getV2F(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ bool getU64NoEx(std::string name, u64 &val)
+ {
+ try {
+ val = getU64(name);
+ return true;
+ } catch (SettingNotFoundException &e) {
+ return false;
+ }
+ }
+
+ //////////// Set setting
+
+ // N.B. if setStruct() is used to write a non-POD aggregate type,
+ // the behavior is undefined.
+ bool setStruct(std::string name, std::string format, void *value)
+ {
+ std::string structstr;
+ if (!serializeStructToString(&structstr, format, value))
+ return false;
+
+ set(name, structstr);
+ return true;
+ }
+
+ void setFlagStr(std::string name, u32 flags,
+ FlagDesc *flagdesc, u32 flagmask)
+ {
+ set(name, writeFlagString(flags, flagdesc, flagmask));
+ }
+
projects / oweals / minetest.git / blobdiff