c9df41c1e2
Typedef pointers are unsafe. If you do: typedef struct bla *bla_t; then you cannot use it as a constant, such as: const bla_t, because that constant will be to the pointer itself rather than to the underlying data. I admit this was a fundamental mistake that must be corrected. All typedefs that were pointer types will now have their pointers removed from the type itself, and the pointers will be used when they are actually used as variables/parameters/returns instead. This does not break ABI though, which is pretty nice.
128 lines
3.0 KiB
C++
128 lines
3.0 KiB
C++
/*
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* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Useful C++ classes/bindings for util data and pointers */
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#pragma once
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#include <string.h>
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#include <stdarg.h>
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#include "bmem.h"
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#include "config-file.h"
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#include "text-lookup.h"
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/* RAII wrappers */
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template<typename T> class BPtr {
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T *ptr;
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BPtr(BPtr const&) = delete;
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BPtr &operator=(BPtr const&) = delete;
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public:
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inline BPtr(T *p=nullptr) : ptr(p) {}
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inline BPtr(BPtr &&other) : ptr(other.ptr) {other.ptr = nullptr;}
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inline ~BPtr() {bfree(ptr);}
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inline T *operator=(T *p) {bfree(ptr); ptr = p; return p;}
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inline operator T*() {return ptr;}
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inline T **operator&() {bfree(ptr); ptr = nullptr; return &ptr;}
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inline bool operator!() {return ptr == NULL;}
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inline bool operator==(T p) {return ptr == p;}
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inline bool operator!=(T p) {return ptr != p;}
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};
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class ConfigFile {
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config_t *config;
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ConfigFile(ConfigFile const&) = delete;
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ConfigFile &operator=(ConfigFile const&) = delete;
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public:
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inline ConfigFile() : config(NULL) {}
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inline ConfigFile(ConfigFile &&other) : config(other.config)
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{
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other.config = nullptr;
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}
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inline ~ConfigFile()
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{
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config_close(config);
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}
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inline bool Create(const char *file)
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{
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Close();
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config = config_create(file);
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return config != NULL;
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}
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inline int Open(const char *file, config_open_type openType)
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{
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Close();
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return config_open(&config, file, openType);
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}
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inline int Save()
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{
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return config_save(config);
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}
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inline void Close()
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{
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config_close(config);
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config = NULL;
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}
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inline operator config_t*() const {return config;}
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};
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class TextLookup {
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lookup_t *lookup;
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TextLookup(TextLookup const&) = delete;
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TextLookup &operator=(TextLookup const&) = delete;
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public:
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inline TextLookup(lookup_t *lookup=nullptr) : lookup(lookup) {}
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inline TextLookup(TextLookup &&other) : lookup(other.lookup)
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{
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other.lookup = nullptr;
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}
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inline ~TextLookup() {text_lookup_destroy(lookup);}
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inline TextLookup& operator=(lookup_t *val)
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{
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text_lookup_destroy(lookup);
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lookup = val;
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return *this;
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}
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inline operator lookup_t*() const {return lookup;}
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inline const char *GetString(const char *lookupVal) const
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{
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const char *out;
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if (!text_lookup_getstr(lookup, lookupVal, &out))
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return lookupVal;
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return out;
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}
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};
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