minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'src/sha1.cpp')

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/* Minetest Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef SETTINGS_HEADER #define SETTINGS_HEADER #include "irrlichttypes_bloated.h" #include "util/string.h" #include "threading/mutex.h" #include <string> #include <map> #include <list> #include <set> class Settings; struct NoiseParams; // Global objects extern Settings *g_settings; extern std::string g_settings_path; /** function type to register a changed callback */ typedef void (*setting_changed_callback)(const std::string &name, void *data); enum ValueType { VALUETYPE_STRING, VALUETYPE_FLAG // Doesn't take any arguments }; enum SettingsParseEvent { SPE_NONE, SPE_INVALID, SPE_COMMENT, SPE_KVPAIR, SPE_END, SPE_GROUP, SPE_MULTILINE, }; struct ValueSpec { ValueSpec(ValueType a_type, const char *a_help=NULL) { type = a_type; help = a_help; } ValueType type; const char *help; }; struct SettingsEntry { SettingsEntry() { group = NULL; is_group = false; } SettingsEntry(const std::string &value_) { value = value_; group = NULL; is_group = false; } SettingsEntry(Settings *group_) { group = group_; is_group = true; } std::string value; Settings *group; bool is_group; }; class Settings { public: Settings() {} ~Settings(); Settings & operator += (const Settings &other); Settings & operator = (const Settings &other); /*********************** * Reading and writing * ***********************/ // Read configuration file. Returns success. bool readConfigFile(const char *filename); //Updates configuration file. Returns success. bool updateConfigFile(const char *filename); // NOTE: Types of allowed_options are ignored. Returns success. bool parseCommandLine(int argc, char *argv[], std::map<std::string, ValueSpec> &allowed_options); bool parseConfigLines(std::istream &is, const std::string &end = ""); void writeLines(std::ostream &os, u32 tab_depth=0) const; SettingsParseEvent parseConfigObject(const std::string &line, const std::string &end, std::string &name, std::string &value); bool updateConfigObject(std::istream &is, std::ostream &os, const std::string &end, u32 tab_depth=0); static bool checkNameValid(const std::string &name); static bool checkValueValid(const std::string &value); static std::string sanitizeName(const std::string &name); static std::string sanitizeValue(const std::string &value); static std::string getMultiline(std::istream &is, size_t *num_lines=NULL); static void printEntry(std::ostream &os, const std::string &name, const SettingsEntry &entry, u32 tab_depth=0); /*********** * Getters * ***********/ const SettingsEntry &getEntry(const std::string &name) const; Settings *getGroup(const std::string &name) 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; 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; // N.B. if getStruct() is used to read a non-POD aggregate type, // the behavior is undefined. bool getStruct(const std::string &name, const std::string &format, void *out, size_t olen) 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 getEntryNoEx(const std::string &name, SettingsEntry &val) const; 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; // 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(const std::string &name, u32 &val, 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_default); 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, Settings *group); bool setGroupDefault(const std::string &name, 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, u32 flagmask);


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