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130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/*
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** configfile.h
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2008 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef __CONFIGFILE_H__
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#define __CONFIGFILE_H__
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#include <stdio.h>
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#include "zstring.h"
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class FConfigFile
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{
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public:
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FConfigFile ();
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FConfigFile (const char *pathname,
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void (*nosechandler)(const char *pathname, FConfigFile *config, void *userdata)=0, void *userdata=NULL);
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FConfigFile (const FConfigFile &other);
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virtual ~FConfigFile ();
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void ClearConfig ();
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FConfigFile &operator= (const FConfigFile &other);
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bool HaveSections () { return Sections != NULL; }
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void CreateSectionAtStart (const char *name);
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void MoveSectionToStart (const char *name);
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void SetSectionNote (const char *section, const char *note);
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void SetSectionNote (const char *note);
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bool SetSection (const char *section, bool allowCreate=false);
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bool SetFirstSection ();
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bool SetNextSection ();
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const char *GetCurrentSection () const;
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void ClearCurrentSection ();
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bool DeleteCurrentSection ();
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void ClearKey (const char *key);
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bool SectionIsEmpty ();
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bool NextInSection (const char *&key, const char *&value);
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const char *GetValueForKey (const char *key) const;
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void SetValueForKey (const char *key, const char *value, bool duplicates=false);
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const char *GetPathName () const { return PathName.GetChars(); }
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void ChangePathName (const char *path);
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void LoadConfigFile (void (*nosechandler)(const char *pathname, FConfigFile *config, void *userdata), void *userdata);
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bool WriteConfigFile () const;
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protected:
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virtual void WriteCommentHeader (FILE *file) const;
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virtual char *ReadLine (char *string, int n, void *file) const;
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bool ReadConfig (void *file);
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static const char *GenerateEndTag(const char *value);
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bool OkayToWrite;
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bool FileExisted;
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private:
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struct FConfigEntry
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{
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char *Value;
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FConfigEntry *Next;
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char Key[1]; // + length of key
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void SetValue (const char *val);
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};
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struct FConfigSection
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{
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FConfigEntry *RootEntry;
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FConfigEntry **LastEntryPtr;
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FConfigSection *Next;
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FString Note;
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char Name[1]; // + length of name
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};
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FConfigSection *Sections;
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FConfigSection **LastSectionPtr;
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FConfigSection *CurrentSection;
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FConfigEntry *CurrentEntry;
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FString PathName;
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FConfigSection *FindSection (const char *name) const;
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FConfigEntry *FindEntry (FConfigSection *section, const char *key) const;
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FConfigSection *NewConfigSection (const char *name);
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FConfigEntry *NewConfigEntry (FConfigSection *section, const char *key, const char *value);
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FConfigEntry *ReadMultiLineValue (void *file, FConfigSection *section, const char *key, const char *terminator);
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void SetSectionNote (FConfigSection *section, const char *note);
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public:
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class Position
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{
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friend class FConfigFile;
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FConfigSection *Section;
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FConfigEntry *Entry;
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};
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void GetPosition (Position &pos) const;
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void SetPosition (const Position &pos);
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};
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#endif //__CONFIGFILE_H__
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