- std::map<std::string, ValueSpec> &allowed_options)
- {
- int nonopt_index = 0;
- int i=1;
- for(;;)
- {
- if(i >= argc)
- break;
- std::string argname = argv[i];
- if(argname.substr(0, 2) != "--")
- {
- // If option doesn't start with -, read it in as nonoptX
- if(argname[0] != '-'){
- std::string name = "nonopt";
- name += itos(nonopt_index);
- set(name, argname);
- nonopt_index++;
- i++;
- continue;
- }
- errorstream<<"Invalid command-line parameter \""
- <<argname<<"\": --<option> expected."<<std::endl;
- return false;
- }
- i++;
-
- std::string name = argname.substr(2);
-
- std::map<std::string, ValueSpec>::iterator n;
- n = allowed_options.find(name);
- if(n == allowed_options.end())
- {
- errorstream<<"Unknown command-line parameter \""
- <<argname<<"\""<<std::endl;
- return false;
- }
-
- ValueType type = n->second.type;
-
- std::string value = "";
-
- if(type == VALUETYPE_FLAG)
- {
- value = "true";
- }
- else
- {
- if(i >= argc)
- {
- errorstream<<"Invalid command-line parameter \""
- <<name<<"\": missing value"<<std::endl;
- return false;
- }
- value = argv[i];
- i++;
- }
-
-
- infostream<<"Valid command-line parameter: \""
- <<name<<"\" = \""<<value<<"\""
- <<std::endl;
- set(name, value);
- }
-
- return true;
- }
-
- void set(std::string name, std::string value)
- {
- JMutexAutoLock lock(m_mutex);
-
- m_settings[name] = value;
- }
-
- void set(std::string name, const char *value)
- {
- JMutexAutoLock lock(m_mutex);
-
- m_settings[name] = value;
- }
-
-
- void setDefault(std::string name, std::string value)
- {
- JMutexAutoLock lock(m_mutex);
-
- m_defaults[name] = value;
- }
-
- bool exists(std::string name)
- {
- JMutexAutoLock lock(m_mutex);
-
- return (m_settings.find(name) != m_settings.end() || m_defaults.find(name) != m_defaults.end());
- }
-
- std::string get(std::string name)
- {
- JMutexAutoLock lock(m_mutex);
-
- std::map<std::string, std::string>::iterator n;
- n = m_settings.find(name);
- if(n == m_settings.end())
- {
- n = m_defaults.find(name);
- if(n == m_defaults.end())
- {
- throw SettingNotFoundException(("Setting [" + name + "] not found ").c_str());
- }
- }
-
- return n->second;
- }
-
- bool getBool(std::string name)
- {
- return is_yes(get(name));
- }
-
- bool getFlag(std::string name)
- {
- try
- {
- return getBool(name);
- }
- catch(SettingNotFoundException &e)
- {
- return false;
- }
- }
-
- // Asks if empty
- bool getBoolAsk(std::string name, std::string question, bool def)
- {
- // If it is in settings
- if(exists(name))
- return getBool(name);
-
- std::string s;
- char templine[10];
- std::cout<<question<<" [y/N]: ";
- std::cin.getline(templine, 10);
- s = templine;
-
- if(s == "")
- return def;
-
- return is_yes(s);
- }
-
- float getFloat(std::string name)
- {
- return stof(get(name));
- }
-
- u16 getU16(std::string name)
- {
- return stoi(get(name), 0, 65535);
- }
-
- u16 getU16Ask(std::string name, std::string question, u16 def)
- {
- // If it is in settings
- if(exists(name))
- return getU16(name);
-
- std::string s;
- char templine[10];
- std::cout<<question<<" ["<<def<<"]: ";
- std::cin.getline(templine, 10);
- s = templine;
-
- if(s == "")
- return def;
-
- return stoi(s, 0, 65535);
- }
-
- s16 getS16(std::string name)
- {
- return stoi(get(name), -32768, 32767);
- }
-
- s32 getS32(std::string name)
- {
- return stoi(get(name));
- }
-
- v3f getV3F(std::string name)
- {
- v3f value;
- Strfnd f(get(name));
- f.next("(");
- value.X = stof(f.next(","));
- value.Y = stof(f.next(","));
- value.Z = stof(f.next(")"));
- return value;
- }
-
- v2f getV2F(std::string name)
- {
- v2f value;
- Strfnd f(get(name));
- f.next("(");
- value.X = stof(f.next(","));
- value.Y = stof(f.next(")"));
- return value;
- }
-
- u64 getU64(std::string name)
- {
- u64 value = 0;
- std::string s = get(name);
- std::istringstream ss(s);
- ss>>value;
- return value;
- }
-
- u32 getFlagStr(std::string name, FlagDesc *flagdesc)
- {
- std::string val = get(name);
- return (isdigit(val[0])) ? stoi(val) : readFlagString(val, flagdesc);
- }
-
- bool getStruct(std::string name, std::string format, void *out, size_t olen)
- {
- size_t len = olen;
- std::vector<std::string *> strs_alloced;
- std::string *str;
- std::string valstr = get(name);
- char *s = &valstr[0];
- char *buf = new char[len];
- char *bufpos = buf;
- char *f, *snext;
- size_t pos;
-
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos)) && s) {
- fmt = NULL;
-
- bool is_unsigned = false;
- int width = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- if ((bufpos - buf) + sizeof(u16) <= len) {
- if (is_unsigned)
- *(u16 *)bufpos = (u16)strtoul(s, &s, 10);
- else
- *(s16 *)bufpos = (s16)strtol(s, &s, 10);
- }
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- if ((bufpos - buf) + sizeof(u32) <= len) {
- if (is_unsigned)
- *(u32 *)bufpos = (u32)strtoul(s, &s, 10);
- else
- *(s32 *)bufpos = (s32)strtol(s, &s, 10);
- }
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- if ((bufpos - buf) + sizeof(u64) <= len) {
- if (is_unsigned)
- *(u64 *)bufpos = (u64)strtoull(s, &s, 10);
- else
- *(s64 *)bufpos = (s64)strtoll(s, &s, 10);
- }
- bufpos += sizeof(u64);
- }
- s = strchr(s, ',');
- break;
- case 'b':
- snext = strchr(s, ',');
- if (snext)
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, bool);
- if ((bufpos - buf) + sizeof(bool) <= len)
- *(bool *)bufpos = is_yes(std::string(s));
- bufpos += sizeof(bool);
-
- s = snext;
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- if ((bufpos - buf) + sizeof(float) <= len)
- *(float *)bufpos = strtof(s, &s);
- bufpos += sizeof(float);
-
- s = strchr(s, ',');
- break;
- case 's':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '"') //error, expected string
- goto fail;
- snext = s;
-
- while (snext[0] && !(snext[-1] != '\\' && snext[0] == '"'))
- snext++;
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, std::string *);
-
- str = new std::string(s);
- pos = 0;
- while ((pos = str->find("\\\"", pos)) != std::string::npos)
- str->erase(pos, 1);
-
- if ((bufpos - buf) + sizeof(std::string *) <= len)
- *(std::string **)bufpos = str;
- bufpos += sizeof(std::string *);
- strs_alloced.push_back(str);
-
- s = *snext ? snext + 1 : NULL;
- break;
- case 'v':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '(') //error, expected vector
- goto fail;
-
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
-
- if ((bufpos - buf) + sizeof(v2f) <= len) {
- v2f *v = (v2f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- }
-
- bufpos += sizeof(v2f);
- } else if (width == 3) {
- bufpos += PADDING(bufpos, v3f);
- if ((bufpos - buf) + sizeof(v3f) <= len) {
- v3f *v = (v3f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- s++;
- v->Z = strtof(s, &s);
- }
-
- bufpos += sizeof(v3f);
- }
- s = strchr(s, ',');
- break;
- default: //error, invalid format specifier
- goto fail;
- }
-
- if (s && *s == ',')
- s++;
-
- if ((size_t)(bufpos - buf) > len) //error, buffer too small
- goto fail;
- }
-
- if (f && *f) { //error, mismatched number of fields and values
-fail:
- for (size_t i = 0; i != strs_alloced.size(); i++)
- delete strs_alloced[i];
- delete[] buf;
- return false;
- }
-
- memcpy(out, buf, olen);
- delete[] buf;
- return true;
- }
-
- bool setStruct(std::string name, std::string format, void *value)
- {
- char sbuf[2048];
- int sbuflen = sizeof(sbuf) - 1;
- sbuf[sbuflen] = 0;
- std::string str;
- int pos = 0;
- size_t fpos;
- char *f;
-
- char *bufpos = (char *)value;
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos))) {
- fmt = NULL;
- bool is_unsigned = false;
- int width = 0, nprinted = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%u, " : "%d, ",
- *((u16 *)bufpos));
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%u, " : "%d, ",
- *((u32 *)bufpos));
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%llu, " : "%lli, ",
- (unsigned long long)*((u64 *)bufpos));
- bufpos += sizeof(u64);
- }
- break;
- case 'b':
- bufpos += PADDING(bufpos, bool);
- nprinted = snprintf(sbuf + pos, sbuflen, "%s, ",
- *((bool *)bufpos) ? "true" : "false");
- bufpos += sizeof(bool);
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- nprinted = snprintf(sbuf + pos, sbuflen, "%f, ",
- *((float *)bufpos));
- bufpos += sizeof(float);
- break;
- case 's':
- bufpos += PADDING(bufpos, std::string *);
- str = **((std::string **)bufpos);
-
- fpos = 0;
- while ((fpos = str.find('"', fpos)) != std::string::npos) {
- str.insert(fpos, 1, '\\');
- fpos += 2;
- }
-
- nprinted = snprintf(sbuf + pos, sbuflen, "\"%s\", ",
- (*((std::string **)bufpos))->c_str());
- bufpos += sizeof(std::string *);
- break;
- case 'v':
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
- v2f *v = (v2f *)bufpos;
- nprinted = snprintf(sbuf + pos, sbuflen,
- "(%f, %f), ", v->X, v->Y);
- bufpos += sizeof(v2f);
- } else {
- bufpos += PADDING(bufpos, v3f);
- v3f *v = (v3f *)bufpos;
- nprinted = snprintf(sbuf + pos, sbuflen,
- "(%f, %f, %f), ", v->X, v->Y, v->Z);
- bufpos += sizeof(v3f);
- }
- break;
- default:
- return false;
- }
- if (nprinted < 0) //error, buffer too small
- return false;
- pos += nprinted;
- sbuflen -= nprinted;
- }
-
- if (pos >= 2)
- sbuf[pos - 2] = 0;
-
- set(name, std::string(sbuf));
- return true;
- }
-
- void setFlagStr(std::string name, u32 flags, FlagDesc *flagdesc)
- {
- set(name, writeFlagString(flags, flagdesc));
- }
-
- void setBool(std::string name, bool value)
- {
- if(value)
- set(name, "true");
- else
- set(name, "false");
- }
-
- void setFloat(std::string name, float value)
- {
- set(name, ftos(value));
- }
-
- void setV3F(std::string name, v3f value)
- {
- std::ostringstream os;
- os<<"("<<value.X<<","<<value.Y<<","<<value.Z<<")";
- set(name, os.str());
- }
+ std::map<std::string, ValueSpec> &allowed_options);
+ bool parseConfigLines(std::istream &is);
+ void writeLines(std::ostream &os, u32 tab_depth=0) const;
+
+ /***********
+ * Getters *
+ ***********/
+
+ Settings *getGroup(const std::string &name) const;
+ const std::string &get(const std::string &name) const;
+ bool getBool(const std::string &name) const;
+ u16 getU16(const std::string &name) const;
+ s16 getS16(const std::string &name) const;
+ u32 getU32(const std::string &name) const;
+ s32 getS32(const std::string &name) const;
+ u64 getU64(const std::string &name) const;
+ float getFloat(const std::string &name) const;
+ v2f getV2F(const std::string &name) const;
+ v3f getV3F(const std::string &name) const;
+ u32 getFlagStr(const std::string &name, const FlagDesc *flagdesc,
+ u32 *flagmask) const;
+ bool getNoiseParams(const std::string &name, NoiseParams &np) const;
+ bool getNoiseParamsFromValue(const std::string &name, NoiseParams &np) const;
+ bool getNoiseParamsFromGroup(const std::string &name, NoiseParams &np) const;
+
+ // return all keys used
+ std::vector<std::string> getNames() const;
+ bool exists(const std::string &name) const;
+
+
+ /***************************************
+ * Getters that don't throw exceptions *
+ ***************************************/
+
+ bool getGroupNoEx(const std::string &name, Settings *&val) const;
+ bool getNoEx(const std::string &name, std::string &val) const;
+ bool getFlag(const std::string &name) const;
+ bool getU16NoEx(const std::string &name, u16 &val) const;
+ bool getS16NoEx(const std::string &name, s16 &val) const;
+ bool getS32NoEx(const std::string &name, s32 &val) const;
+ bool getU64NoEx(const std::string &name, u64 &val) const;
+ bool getFloatNoEx(const std::string &name, float &val) const;
+ bool getV2FNoEx(const std::string &name, v2f &val) const;
+ bool getV3FNoEx(const std::string &name, v3f &val) const;
+
+ // Like other getters, but handling each flag individualy:
+ // 1) Read default flags (or 0)
+ // 2) Override using user-defined flags
+ bool getFlagStrNoEx(const std::string &name, u32 &val,
+ const FlagDesc *flagdesc) const;
+
+
+ /***********
+ * Setters *
+ ***********/
+
+ // N.B. Groups not allocated with new must be set to NULL in the settings
+ // tree before object destruction.
+ bool setEntry(const std::string &name, const void *entry,
+ bool set_group);
+ bool set(const std::string &name, const std::string &value);
+ bool setDefault(const std::string &name, const std::string &value);
+ bool setGroup(const std::string &name, const Settings &group);
+ bool setBool(const std::string &name, bool value);
+ bool setS16(const std::string &name, s16 value);
+ bool setU16(const std::string &name, u16 value);
+ bool setS32(const std::string &name, s32 value);
+ bool setU64(const std::string &name, u64 value);
+ bool setFloat(const std::string &name, float value);
+ bool setV2F(const std::string &name, v2f value);
+ bool setV3F(const std::string &name, v3f value);
+ bool setFlagStr(const std::string &name, u32 flags,
+ const FlagDesc *flagdesc = nullptr, u32 flagmask = U32_MAX);
+ bool setNoiseParams(const std::string &name, const NoiseParams &np);