103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include <span>
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#include "dxxsconf.h"
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#include "u_mem.h"
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#include "dsx-ns.h"
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#include <array>
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#include <vector>
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#if DXX_USE_EDITOR
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#include <limits.h> /* PATH_MAX */
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#endif
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namespace dcx {
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#if defined(macintosh)
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#define snprintf macintosh_snprintf
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extern void snprintf(char *out_string, int size, const char * format, ... );
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#endif
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#ifdef DXX_HAVE_STRCASECMP
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#define d_stricmp strcasecmp
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static inline int d_strnicmp(const char *s1, const char *s2, size_t n)
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{
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return strncasecmp(s1, s2, n);
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}
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#else
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__attribute_nonnull()
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extern int d_stricmp( const char *s1, const char *s2 );
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__attribute_nonnull()
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int d_strnicmp(const char *s1, const char *s2, uint_fast32_t n);
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#endif
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extern void d_strlwr( char *s1 );
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std::unique_ptr<char[]> d_strdup(const char *str);
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#if DXX_USE_EDITOR
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void d_strupr(std::array<char, PATH_MAX> &out, const std::array<char, PATH_MAX> &in);
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#endif
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template <std::size_t N>
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static inline int d_strnicmp(const char *s1, const char (&s2)[N])
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{
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return d_strnicmp(s1, s2, N - 1);
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}
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struct splitpath_t
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{
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const char *const base_start;
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const char *const base_end;
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};
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// remove extension from filename, doesn't work with paths.
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void removeext(const char *filename, std::array<char, 20> &out);
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//give a filename a new extension, doesn't work with paths with no extension already there
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[[nodiscard]]
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bool change_filename_extension(std::span<char> dest, const char *src, std::span<const char, 4> ext);
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/* Given an MS-DOS path, return pointers to the start of the basename and the
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* start of the extension.
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*/
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splitpath_t d_splitpath(const char *name);
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class string_array_t
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{
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typedef std::vector<const char *> ptr_t;
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std::vector<char> buffer;
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ptr_t ptr;
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public:
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ptr_t &pointer() { return ptr; }
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void clear()
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{
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ptr.clear();
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buffer.clear();
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}
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void add(const char *);
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void tidy(std::size_t offset);
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};
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int string_array_sort_func(const void *v0, const void *v1);
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/* Compute the number of digits required to represent MaximumValue in
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* the given Base. The result does not account for any characters other
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* than the required digits.
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*/
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template <std::size_t MaximumValue, std::size_t Base = 10>
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constexpr std::size_t number_to_text_length = (MaximumValue < Base) ? 1 : 1 + number_to_text_length<MaximumValue / Base, Base>;
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static_assert(number_to_text_length<1> == 1, "");
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static_assert(number_to_text_length<9> == 1, "");
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static_assert(number_to_text_length<10> == 2, "");
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static_assert(number_to_text_length<255, 16> == 2, "");
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static_assert(number_to_text_length<256, 16> == 3, "");
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}
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